WO2018201603A1

WO2018201603A1 - Internal battery holder

Info

Publication number: WO2018201603A1
Application number: PCT/CN2017/091762
Authority: WO
Inventors: 刘石林
Original assignee: 金华市飞瑞车业有限公司
Priority date: 2017-05-03
Filing date: 2017-07-04
Publication date: 2018-11-08
Also published as: CN107123759A

Abstract

The present invention relates to the technical field of electric bike accessories. Provided is an internal battery holder capable of solving a problem of inconvenient installation of existing battery holders. The internal battery holder is provided at a bottom bracket shell of an electric bike and comprises a main body (1). A first accommodation recess (3) is arranged inside the main body (1) for receiving a unit cell module. A central shaft hole (4) is arranged at the main body (1). The central shaft hole (4) extends through the main body (1) and has a shape and a size which match a shape and a size of a central shaft provided at the bottom bracket shell. A battery and a controller (17) are integrated into the internal battery holder. The central shaft hole (4) arranged at the main body (1) matches a central shaft provided at a bottom bracket shell of an electric bike, such that an electric bike adopting the internal battery holder has a more compact and pleasant appearance. The internal battery holder is provided with a controller cover (13) and a battery cover (14), thereby enabling convenient detachment, installation, replacement and maintenance of a battery pack (2) and the controller (17). Application of the internal battery holder in an electric bike increases difficulty of stealing a battery, and thus the internal battery holder has an anti-theft function. Moreover, the internal battery holder can be installed conveniently and has stable quality.

Description

Center battery case

Technical field

The invention belongs to the technical field of electric vehicle accessories and relates to a middle battery box.

Background technique

In recent years, electric vehicles have been widely used in China, especially small electric bicycles for home or outdoor use, which have brought people a fast lifestyle.

The existing electric bicycle generally includes a shifting device, a shifting system and a battery, the battery is placed in the battery case, the battery case includes a box body, and some also have a bottom cover matched with the electric vehicle, and the box body is divided into left and right boxes. The body, the left and right boxes are opened by the mold, the battery display is placed on one of them, and the other half is mounted together at the peripheral end by placing a seal or other sealing part, and finally fixed by screws or other fasteners. .

Due to the limitation of the battery box setting of the existing electric bicycle, it can generally only be placed on the rear seat of the electric bicycle or the middle tube of the frame, so that the design has some defects: it greatly occupies the design space of the electric bicycle, and makes the electric The rear seat of the bicycle can not carry people or things, affecting the use efficiency of the electric bicycle; affecting the appearance of the electric bicycle; exposure to the outside is often exposed to the sun or rain, affecting the service life of the battery box (group); easy to be stolen by the thief. Therefore, it is necessary to provide a battery case that is convenient to install, has a more stable quality, and can make the shape of the electric bicycle more beautiful and compact. After the battery case is applied to the electric bicycle, the battery case (including the battery) is not easily stolen by the thief.

Summary of the invention

The object of the present invention is to solve the above problems of the existing battery box, and to provide a five-way position of the electric bicycle, which can make the electric bicycle more beautiful and compact, and is not easy to be stolen. Stable battery case.

The object of the invention can be achieved by the following technical solutions:

The central battery case is characterized in that it is disposed at the five-way of the electric bicycle, and comprises a body. The body is internally provided with a first receiving slot for accommodating the unit cell module, and the body is provided with a central shaft hole, the central axis The holes extend through the body and are sized to match the center axis disposed at the five-way.

A unit cell module that includes a plurality of unit cells for generating electrical current to provide electrical current to the operation of the electric bicycle. a central shaft hole is disposed on the body of the first receiving groove of the unit cell module, so that the middle The battery box can be placed at the five-way of the electric bicycle, which makes the structure of the electric bicycle simpler and more compact, and the appearance is more beautiful.

In the above-mentioned center battery case, the body is further provided with a second receiving groove for accommodating the controller.

In the above-mentioned central battery case, the body includes a first housing part and a second housing part, and the first housing part and the second housing part can be covered and fixed, the first receiving slot Provided at the second housing part.

In the above-described center battery case, the second receiving groove is provided at the second housing member.

In the above-described center battery case, the first case member and the second case member together form a closed space, and the cover portions are provided with a sealing means.

In the above-described center battery case, the sealing device includes a seal ring having a shape that matches the shape of the upper end surface of the second housing member.

In the above-described center battery case, the first case member is provided with a through hole, and the second case member is provided with a cylindrical hole penetrating the second case member, the first case member and the second case When the components are closed, the through hole and the cylindrical hole are in communication with each other to form the above-mentioned central shaft hole.

The through hole and the cylindrical hole have the same diameter size.

In the above-mentioned central battery case, the second housing member includes a shell body and a side plate, and the cylindrical hole is provided with a plurality of partition plates, and the partition plates radiate from the outer wall of the cylindrical hole to the inner wall of the shell body. The inner cavity of the second housing component is divided into several parts, and the two parts respectively correspond to the first receiving groove and the second receiving groove.

In the above central battery case, the first housing component includes a contiguous controller cover and a battery cover, and the mating ends of the two are matched in shape, and the battery cover and the controller cover respectively correspond to The ground cover is located above the first receiving slot and the second receiving slot, and the battery cover and the controller cover are detachably connected to the second housing component.

In the above-described center battery case, a battery lock is further disposed between the second housing member and the unit cell module.

In the above-mentioned center battery case, a snap-fit structure is further disposed between the first case member and the second case member, and the snap-fit structure includes a card slot disposed in the second case member. And an insert disposed on the first housing member, the shape of the insert matching the shape of the slot.

In the above-mentioned center battery case, the side plate and the body are detachably connected, and the side plate and the body can be fixed together by screws.

In the above-described center battery case, the outer surface of the side plate is flat.

Compared with the prior art, the present invention has the following beneficial effects:

The battery and the controller are integrated together on the battery case, and the battery case is provided with a middle shaft hole adapted to the middle shaft of the electric bicycle five-way, so that the shape of the electric bicycle to which the invention is applied is more compact and beautiful; setting control The cover plate and the battery cover can facilitate the disassembly, replacement and maintenance of the battery pack and the controller; the application of the invention to the electric bicycle increases the difficulty of theft of the battery, thereby providing an anti-theft function. The invention is more convenient to install and more stable in quality.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is an exploded view of the present invention.

In the figure, 1, the body; 2, a battery pack; 3, a first receiving groove; 4, a central shaft hole; 5, a second receiving groove; 6, a first housing part; 7, a second housing part; Through hole; 9, cylindrical hole; 10, shell body; 11, side plate; 12, partition; 13, controller cover; 14, battery cover; 15, sealing ring; 16, handle; 17, controller; 18, battery lock.

detailed description

The technical solutions of the present invention are further described below with reference to the accompanying drawings, but the present invention is not limited to the embodiments.

As shown in FIG. 1 and FIG. 2, the present invention provides a center battery case, which is disposed at a five-way of an electric bicycle, and includes a body 1 in which a first receiving slot 3 for accommodating a unit cell module is disposed. The main body 1 is provided with a middle shaft hole 4 which penetrates the body 1 and is shaped to match the central axis disposed at the five-way. A second receiving groove 5 accommodating the controller 17 is also disposed in the body 1.

The unit cell module described above is composed of a plurality of unit cells for generating electric current, and can supply electric current to the work of the electric bicycle.

The body 1 includes a first housing member 6 and a second housing member 7, and the first housing member 6 and the second housing member 7 can be capped and fixed. The first housing member 6 and the second housing member 7 together form a closed space, and the first receiving groove 3 and the second receiving groove 5 are both disposed at the second housing member 7.

The first housing member 6 is provided with a through hole 8 on which the cylindrical hole 9 penetrating the second housing member 7 is disposed. The through hole 8 and the cylindrical hole 9 have the same size in diameter. When the first case member 6 and the second case member 7 are covered, the through hole 8 and the cylindrical hole 9 are in communication with each other, and the two are coaxial with each other to form the above-mentioned center shaft hole 4.

The second casing member 7 of the present invention comprises a casing 10 and a side panel 11, the side panel 11 and the casing 10 are detachably connected, and the side panel 11 and the casing 10 can be fixed together by a plurality of screws, and the side panel 11 is to be detached. When Loosen and remove the screws. The outer surface of the side panel 11 is flat. When the present invention is mounted to an electric bicycle, the outer surface of the side panel 11 faces the five-way of the electric bicycle.

A plurality of partitions 12 are provided at the cylindrical holes 9, and each of the partitions 12 radiates from the outer wall of the cylindrical holes 9 to the inner wall of the casing 10 to divide the inner cavity of the second casing member 7 into several portions. In this embodiment, four partition plates 12 are disposed, and the partition plates 12 are distributed in a star shape along the cylindrical holes 9, thereby dividing the inner cavity of the second casing member 7 into four parts, two of which are respectively Corresponding to the first receiving groove 3 and the second receiving groove 5 . The first receiving groove 3 and the second receiving groove 5 are respectively disposed on both sides of the cylindrical hole 9, and the size thereof is correspondingly corresponding to the size of the unit cell module and the controller 17.

As shown in FIG. 2, the first housing member 6 of the present invention includes a contiguous controller cover 13 and a battery cover 14 whose mating ends are matched in shape, and the through holes 8 are provided in the controller cover. 13 at the docking end. The battery cover 14 and the controller cover 13 are respectively located above the first receiving slot 3 and the second receiving slot 5, and the controller cover 13 and the battery cover 14 are detachably connected to the housing 10.

The battery cover 14 is provided with a handle 16 which is disposed on the battery cover 14 (so that the battery can be easily disassembled) to form a battery pack 2 having a shape matching the first receiving slot 3, and a battery cover When the cover 14 is placed in the first receiving slot 3, the battery pack 2 can be located in the first receiving slot 3.

Since the controller cover 13 and the battery cover 14 are detachably connected to the shell 10 and the handle 16 is disposed on the battery cover 14, the replacement and maintenance of the unit cell module and the controller 17 can be facilitated. A battery lock 18 is also disposed between the second housing member 7 and the battery pack 2, so that the battery pack 2 can be prevented from being stolen.

A snap-fit structure is further disposed between the first housing component 6 and the second housing component 7, the snap-fit structure including a card slot disposed in the second housing component 7 and disposed on the first housing component 6 On the upper insert, the shape of the insert matches the shape of the card slot.

The cover of the first housing part 6 and the second housing part 7 of the invention is also provided with a sealing device. The sealing device comprises a sealing ring 15, the shape of which matches the shape of the upper end face of the second housing part 7. The seal ring 15 is provided to prevent water from entering the closed space formed by the first and

second case members

6 and 7, so that the inner unit cell module and the controller 17 are wetted.

It should be understood that in the claims and the specification of the present invention, all "including" are understood to mean an open meaning, that is, the meaning thereof is equivalent to "having at least..." and should not be construed as closed. The meaning, that is, its meaning should not be understood as "only contain...".

The specific embodiments described herein are merely illustrative of the spirit of the invention. A person skilled in the art can make various modifications or additions to the specific embodiments described or in a similar manner, without departing from the spirit of the invention or as defined by the appended claims. The scope.

Claims

The central battery case is characterized in that it is disposed at the five-way of the electric bicycle, and comprises a body (1). The body (1) is internally provided with a first receiving groove (3) for accommodating the unit cell module, and the body (1) A central shaft hole (4) is disposed thereon, and the middle shaft hole (4) penetrates through the body (1) and is shaped to match the central axis disposed at the five-way.
The center battery case according to claim 1, characterized in that the body (1) is further provided with a second receiving groove (5) for accommodating the controller (17).
The center battery case according to claim 1 or 2, characterized in that the body (1) comprises a first housing part (6) and a second housing part (7), the first housing part ( 6) Capable and fixed between the second housing member (7), and the first receiving groove (3) is disposed at the second housing member (7).
The center battery case according to claim 2, characterized in that the second receiving groove (5) is provided at the second housing part (7).
The center battery case according to claim 1 or 2, wherein the first housing member (6) and the second housing member (7) together form a closed space, and the cover portions are provided with Sealing means.
The central battery case according to claim 5, wherein said sealing means comprises a sealing ring (15), the shape of said sealing ring (15) being opposite to the shape of the upper end surface of said second housing member (7) match.
The center battery case according to claim 2 or 4, characterized in that the first housing member (6) is provided with a through hole (8), and the second housing member (7) is provided with a through hole The cylindrical hole (9) of the two housing parts (7), when the first housing part (6) and the second housing part (7) are closed, the through hole (8) and the cylindrical hole (9) are connected to each other The above-mentioned center shaft hole (4) is formed.
The center battery case according to claim 2, wherein said second casing member (7) comprises a casing (10) and a side plate (11), and said cylindrical hole (9) is provided There are a plurality of partitions (12), each partition (12) radiating from the outer wall of the cylindrical hole (9) to the inner wall of the casing (10) to divide the inner cavity of the second casing part (7) into several parts, wherein The two parts respectively correspond to the first receiving groove (3) and the second receiving groove (5).
The central battery case according to claim 2, wherein said first housing member (6) comprises a contiguous controller cover (13) and a battery cover (14), both of which The shape of the butt end is matched, and the battery cover (14) and the controller cover (13) are respectively located above the first receiving slot (3) and the second receiving slot (5), the battery cover (14) and the control The cover plate (13) and the second housing member (7) are detachably connected.