CN213594435U

CN213594435U - Hub battery

Info

Publication number: CN213594435U
Application number: CN202022421995.2U
Authority: CN
Inventors: 黄宗鹏; 张志平; 刘聪; 曾国强; 黄李冲; 王增伟
Original assignee: Guangdong Greenway Technology Co Ltd
Current assignee: Guangdong Greenway Technology Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-02
Anticipated expiration: 2030-10-23

Abstract

The application provides a hub battery, includes: the device comprises a shell assembly, an energy storage assembly, a connecting assembly, a supporting assembly, a fixing assembly and an output assembly. The wheel hub battery provided by the application can be applied to the front wheel and the rear wheel of a bicycle or simultaneously applied to the front wheel and the rear wheel (double batteries) by utilizing the advantage of small external dimension; the hub battery ingeniously uses the space of the electric bicycle hub to arrange the battery, so that the structure of the electric bicycle is simplified, and the electric bicycle is more concise and attractive.

Description

Hub battery

Technical Field

The utility model relates to a technical field of battery especially relates to a wheel hub battery.

Background

The electric bicycle is a special bicycle which takes a battery as auxiliary power and can realize the functions of manpower riding, electric driving or electric power assistance. The vehicle has the advantages of portability, energy conservation and environmental protection, is popular with people and becomes the most rapidly-growing main vehicle in recent years. The electric bicycle consists of a frame, a motor, a battery, a controller and other large components, wherein the battery is a power source of the electric bicycle.

As is well known, lithium ion batteries have been widely used in various digital products such as mobile phones and computers due to their advantages of light weight, small size, large capacitance, and fast charging speed. When the lithium ion battery is used in a large-capacity and high-voltage vehicle such as an electric bicycle, a plurality of battery cells are combined, and the problems of the safety and the service life of the battery pack need to be considered. The design of the battery installation position directly influences the appearance and the performance of the whole vehicle, and even influences the service life of the battery. The existing battery installation mode of the electric bicycle mainly comprises the following steps: the bicycle is arranged in front of the bicycle frame, under the seat, under the pedal plate and the like, and the mounting mode has the defects of large occupied space, unattractive appearance, short service life of the battery and the like.

It can be seen that the prior art has at least the following disadvantages: the existing battery installation mode of the electric bicycle mainly comprises the following steps: the bicycle is arranged in front of the bicycle frame, under the seat, under the pedal plate and the like, and the mounting mode has the defects of large occupied space, unattractive appearance, short service life of the battery and the like.

Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a wheel hub battery to current electric bicycle battery mounting means mainly has among the solution prior art: the bicycle is arranged in front of the bicycle frame, is arranged under the seat, is arranged under the pedal plate and the like, and the mounting mode has the problems of large occupied space, unattractive appearance, short service life of the battery and the like.

The utility model discloses a realize like this, a wheel hub battery, include:

the shell assembly is used for mounting each part;

the energy storage assembly is used for storing electric energy; the energy storage assembly is arranged in the shell assembly;

the connecting assembly is used for connecting the shell assembly and the energy storage assembly; the connecting assembly penetrates through the shell assembly and the energy storage assembly;

a support assembly for supporting the connection assembly on the housing assembly; the supporting component is sleeved on the connecting component and supports the shell component;

the fixing assembly is used for fixing the energy storage assembly on the connecting assembly; the fixing assembly is arranged between the energy storage assembly and the connecting assembly;

the output assembly is used for exchanging electric energy between the energy storage assembly and an external terminal; the first end of the output assembly is connected with the energy storage assembly, and the second end of the output assembly is connected with an external terminal outside the shell assembly through the connecting assembly.

Preferably, the housing assembly comprises: wheel hub and wheel hub end cover, wherein, wheel hub with wheel hub end cover adaptation installation to form between the two and hold the chamber, the energy storage subassembly with fixed subassembly set up in hold in the chamber, wheel hub end cover axle center department is provided with the mounting hole, coupling assembling passes the mounting hole, supporting component set up in mounting hole department, and the cover is located coupling assembling is last.

Preferably, the energy storage assembly comprises: the battery, the battery set up in hold in the chamber in the casing subassembly, coupling assembling passes the battery, fixed subassembly set up in the battery with between the coupling assembling, output assembly's first end with the battery is connected.

Preferably, the connection assembly comprises: the pivot, the pivot has pin hole and lead wire chamber, the pin hole passes through the lead wire chamber is connected hold chamber and external in the casing subassembly, the supporting component cover is located in the pivot, fixed subassembly with the pivot supports tightly, the pivot is passed battery in the energy storage component, the second end of output assembly gets into the pin hole and the lead wire chamber is connected with external terminal.

Preferably, the support assembly comprises: the bearing is sleeved on the rotating shaft in the connecting component and is tightly abutted to the hub end cover in the shell component.

Preferably, the fixing assembly comprises: the fixing ring is sleeved and fixed on a rotating shaft in the connecting assembly and tightly connected with a battery in the energy storage assembly, a fixing hole is formed in the outer wall of the rotating shaft in an inwards concave mode, and the fixing piece is fixed in the fixing hole and tightly connected with the battery.

Preferably, the output assembly comprises: and the first end of the charging and discharging outgoing line is connected with the battery in the energy storage assembly, and the second end of the charging and discharging outgoing line enters the lead hole and the lead cavity of the rotating shaft in the connecting assembly and is connected with an external terminal.

Preferably, the method further comprises the following steps: the brake disc, the brake disc cover is located in the pivot in the coupling assembling, and with wheel hub in the casing subassembly is connected.

Preferably, the method further comprises the following steps: the separation blade, the separation blade cover is located in the pivot in the coupling assembling, and with wheel hub end cover in the casing subassembly is relative.

Preferably, the method further comprises the following steps: and the fork is sleeved on the connecting rotating shaft and is connected with the blocking piece.

The wheel hub battery provided by the application can be applied to the front wheel and the rear wheel of a bicycle or simultaneously applied to the front wheel and the rear wheel (double batteries) by utilizing the advantage of small external dimension; the hub battery ingeniously uses the space of the electric bicycle hub to arrange the battery, so that the structure of the electric bicycle is simplified, and the electric bicycle is more concise and attractive.

Drawings

Fig. 1 is a schematic view of an overall structure of a hub battery according to an embodiment of the present invention;

fig. 2 is an exploded view of a hub battery according to an embodiment of the present invention;

fig. 3 is an exploded view of a hub battery according to an embodiment of the present invention;

fig. 4 is an exploded view of a hub battery according to an embodiment of the present invention;

fig. 5 is a schematic top cross-sectional view of a hub battery in accordance with an embodiment of the present invention;

fig. 6 is a schematic side view of a hub battery according to an embodiment of the present invention;

fig. 7 is a schematic view of an overall structure of a hub battery according to another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1-7, in an embodiment of the present application, the present application provides a hub battery, including: the housing assembly 10, the energy storage assembly 20, the connection assembly 30, the support assembly 40, the fixing assembly 60, and the output assembly 70, each of which will be described in detail below.

Referring to fig. 1-7, in an embodiment of the present application, a hub battery provided by the present application includes:

a housing assembly 10 for mounting components;

an energy storage assembly 20 for storing electrical energy; the energy storage assembly 20 is arranged in the shell assembly 10;

a connecting assembly 30 for connecting the housing assembly 10 and the energy storage assembly 20; the connecting assembly 30 passes through the housing assembly 10 and the energy storage assembly 20;

a support assembly 40 for supporting the connection assembly 30 on the housing assembly 10; the supporting component 40 is sleeved on the connecting component 30 and supports the shell component 10;

a fixing assembly 60 for fixing the energy storage assembly 20 to the connecting assembly 30; the fixing assembly 60 is disposed between the energy storage assembly 20 and the connecting assembly 30;

the output assembly 70 is used for exchanging electric energy between the energy storage assembly 20 and an external terminal; the output member 70 is connected to the energy storage member 20 at a first end and to an external terminal outside the housing member 10 via the connecting member 30 at a second end.

When the hub battery is used, the hub battery is installed at the axle center of a wheel of a bicycle or an electric vehicle, when the wheel rotates, the shell assembly 10 rotates along with the wheel, the connecting assembly 30 keeps stable and does not rotate, the supporting assembly 40 slidably supports the connecting assembly 30 and the shell assembly 10, the fixing assembly 60 keeps the energy storage assembly 20 in the shell assembly 10 and does not rotate, the output assembly 70 provides a channel for the exchange of electric energy between the energy storage assembly 20 and an external terminal, the electric energy in the external terminal can be transmitted to the energy storage assembly 20 through the output assembly 70, and the electric energy in the energy storage assembly 20 can also be transmitted to the external terminal through the output assembly 70.

Referring to fig. 1-7, in the embodiment of the present application, the housing assembly 10 includes: wheel hub 11 and wheel hub end cover 12, wherein, wheel hub 11 with wheel hub end cover 12 adaptation installation to form between the two and hold chamber 13, energy storage component 20 with fixed subassembly 60 set up in hold chamber 13, wheel hub end cover 12 axle center department is provided with mounting hole 14, coupling assembling 30 passes mounting hole 14, supporting component 40 set up in mounting hole 14 department, and the cover is located on coupling assembling 30.

In the embodiment of the present application, the hub 11 and the hub end cover 12 are connected by screws, and a receiving cavity 13 is formed between the two. The axle center of the hub end cover 12 is provided with a mounting hole 14, the connecting assembly 30 passes through the mounting hole 14, and the supporting assembly 40 is arranged at the mounting hole 14 and sleeved on the connecting assembly 30, so that the sliding connection between the hub end cover 12 and the connecting assembly 30 is realized. The hub 11 may be directly used as a hub on a bicycle or electric vehicle wheel.

Referring to fig. 1-7, in the embodiment of the present application, the energy storage device 20 includes: a battery 21, the battery 21 is disposed in the accommodating cavity 13 in the housing assembly 10, the connecting assembly 30 passes through the battery 21, the fixing assembly 60 is disposed between the battery 21 and the connecting assembly 30, and a first end of the output assembly 70 is connected to the battery 21.

In the embodiment of the present application, the battery 21 is installed in the accommodating cavity 13 and is connected to an external terminal through the connection assembly 30, so as to exchange electric energy with the external terminal. The fixing member 60 can firmly mount the battery 21 in the receiving cavity 13 and maintain a relatively stable position of the battery 21 and the connecting member 30.

Referring to fig. 1-7, in the embodiment of the present application, the connecting assembly 30 includes: pivot 31, pivot 31 has wire hole 32 and lead wire chamber 33, wire hole 32 passes through lead wire chamber 33 connects hold chamber 13 and external world in the casing subassembly 10, supporting component 40 cover is located in the pivot 31, fixed subassembly 60 with pivot 31 supports tightly, pivot 31 passes battery 21 in the energy storage component 20, the second end of output component 70 gets into wire hole 32 and lead wire chamber 33 is connected with external terminal.

In the present embodiment, the rotating shaft 31 is fixed to a frame (such as a front fork or a rear fork) of the bicycle, and when the wheel rotates, the rotating shaft 31 does not rotate, and the hub 11 rotates relative to the rotating shaft 31 through the bearing 41. The rotation shaft 31 has a lead hole 32 and a lead cavity 33, the lead hole 32 is disposed on a side wall of the rotation shaft 31, and the lead cavity 33 extends from an end of the rotation shaft 31 toward the lead hole 32 and is directly connected to the lead hole 32, thereby connecting the accommodation cavity 13 and the outside. The first end of the output component 70 is connected with the battery 21, the second end of the output component 70 enters the rotating shaft 31 and penetrates through the battery 21 in the energy storage component 20, the second end of the output component 70 enters the lead hole 32 and the lead cavity 33 is connected with an external terminal.

Referring to fig. 1-7, in the embodiment of the present application, the supporting assembly 40 includes: and the bearing 41 is sleeved on the rotating shaft 31 in the connecting assembly 30, and the bearing 41 is tightly abutted to the hub end cover 12 in the shell assembly 10.

In the embodiment of the present application, the bearing 41 is disposed in the mounting hole 14, and abuts against the hub cover 12, and is sleeved on the rotating shaft 31. When the wheel rotates, the hub 11 and the hub cover 12 also rotate, and at this time, the bearing 41 rotates along with the wheel and is in sliding connection with the rotating shaft 31, so that the rotating shaft 31 cannot rotate along with the hub 11 and the hub cover 12. Wheel hub 11 pins wheel hub 11 and wheel hub end cover 12 through the screw of 11 outer lanes of wheel hub, and whole wheel hub 11 can be fixed in on the pivot 31: the rotating shaft 31 is provided with a shaft shoulder, the structure of the rotating shaft 31 is that the middle is large, the two ends are small, a limiting boss is arranged at the joint of the hub 11 and the hub end cover 12, and the whole hub 11 can be fixed on the rotating shaft 31 by utilizing the limitation of the shaft shoulder and the limiting boss of the bearing 41 after the hub 11 and the hub end cover 12 are closed.

Referring to fig. 1-7, in the embodiment of the present application, the fixing element 60 includes: the fixing device comprises a fixing ring 61 and a fixing piece 62, wherein the fixing ring 61 is sleeved and fixed on a rotating shaft 31 in the connecting assembly 30 and is abutted against a battery 21 in the energy storage assembly 20, the outer wall of the rotating shaft 31 is inwards recessed to form a fixing hole 34, and the fixing piece 62 is fixed in the fixing hole 34 and abutted against the battery 21.

In the embodiment of the present application, the fixing ring 61 is sleeved on the rotating shaft 31 and tightly abuts against the battery 21. Specifically, the fixing ring 61 is connected to the rotating shaft 31 and the battery 21, respectively, so that relative stability between the battery 21 and the rotating shaft 31 is achieved. The fixing member 62 is fixed in the fixing hole 34 and tightly pressed against the battery 21, so that the auxiliary fixing ring 61 maintains relative stability between the battery 21 and the rotating shaft 31.

Referring to fig. 1-7, in the embodiment of the present application, the output element 70 includes: and a charge and discharge outgoing line 71, wherein a first end of the charge and discharge outgoing line 71 is connected with the battery 21 in the energy storage assembly 20, and a second end of the charge and discharge outgoing line 71 enters the lead hole 32 and the lead cavity 33 of the rotating shaft 31 in the connecting assembly 30 and is connected with an external terminal.

In the embodiment of the present application, the first end of the charge and discharge lead wire 71 is connected to the battery 21, and the second end of the charge and discharge lead wire enters the lead hole 32 and the lead cavity 33 of the rotating shaft 31 to be connected to the external terminal, so that the electric energy exchange between the external terminal and the battery 21 can be realized.

Referring to fig. 1-7, in an embodiment of the present application, a hub battery further includes: and the brake disc 81 is sleeved on the rotating shaft 31 in the connecting assembly 30 and connected with the hub 11 in the shell assembly 10.

In the present embodiment, the brake disc 81 is connected to a brake control handle of the vehicle, and when the brake control handle is controlled, the brake disc 81 is controlled to suspend the hub 11. Since the hub 11 is connected to the vehicle, the vehicle is also halted at this time.

Referring to fig. 1-7, in an embodiment of the present application, a hub battery further includes: the blocking piece 51 is sleeved on the rotating shaft 31 in the connecting assembly 30, and is opposite to the hub end cover 12 in the housing assembly 10.

In the embodiment of the present application, the blocking plate 51 is fixed on the rotating shaft 31 and is opposite to the hub cover 12. The baffle 51 can connect the rotating shaft 31 with the frame of the electric vehicle.

Referring to fig. 1-7, in an embodiment of the present application, a hub battery further includes: and the fork 82 is sleeved on the rotating shaft 31 in the connecting assembly 30 and is connected with the baffle 51.

In the embodiment of the present application, the fork 82 is connected to the frame of the wheel and connected to the stopper 51, so that the connection between the fork 82 and the rotating shaft 31 is realized. The fork 82 includes a front fork and a rear fork, which may be selected as desired.

Specifically, the front fork and the rear fork of the bicycle are part of the whole frame and are used for connecting wheels, and the baffle plate 51 on the rotating shaft 31 of the hub battery is used for installing the whole hub battery on the inner side of the frame (the front fork or the rear fork) and fixing the outer side of the hub battery by nuts. The opening size of the front fork or the rear fork is defined by the size of the inner side of the front fork or the size of the space between the limiting planes of the stop pieces 51 at the two ends of the rotating shaft 31. The minimum opening size of the hub battery provided by the application is 100mm, and the whole volume is small, so that the hub battery is suitable for front and rear wheels (the conventional opening size of a front fork of a bicycle is 80-110mm, and the conventional opening size of a rear fork is 135-157 mm).

The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hub battery, comprising:

the shell assembly is used for mounting each part;

2. The hub battery of claim 1, wherein the housing assembly comprises: wheel hub and wheel hub end cover, wherein, wheel hub with wheel hub end cover adaptation installation to form between the two and hold the chamber, the energy storage subassembly with fixed subassembly set up in hold in the chamber, wheel hub end cover axle center department is provided with the mounting hole, coupling assembling passes the mounting hole, supporting component set up in mounting hole department, and the cover is located coupling assembling is last.

3. The hub battery of claim 1, wherein the energy storage assembly comprises: the battery, the battery set up in hold in the chamber in the casing subassembly, coupling assembling passes the battery, fixed subassembly set up in the battery with between the coupling assembling, output assembly's first end with the battery is connected.

4. The hub battery of claim 1, wherein the connection assembly comprises: the pivot, the pivot has pin hole and lead wire chamber, the pin hole passes through the lead wire chamber is connected hold chamber and external in the casing subassembly, the supporting component cover is located in the pivot, fixed subassembly with the pivot supports tightly, the pivot is passed battery in the energy storage component, the second end of output assembly gets into the pin hole and the lead wire chamber is connected with external terminal.

5. The hub battery of claim 1, wherein the support assembly comprises: the bearing is sleeved on the rotating shaft in the connecting component and is tightly abutted to the hub end cover in the shell component.

6. The hub battery of claim 1, wherein the securing assembly comprises: the fixing ring is sleeved and fixed on a rotating shaft in the connecting assembly and tightly connected with a battery in the energy storage assembly, a fixing hole is formed in the outer wall of the rotating shaft in an inwards concave mode, and the fixing piece is fixed in the fixing hole and tightly connected with the battery.

7. The hub battery of claim 1, wherein the output assembly comprises: and the first end of the charging and discharging outgoing line is connected with the battery in the energy storage assembly, and the second end of the charging and discharging outgoing line enters the lead hole and the lead cavity of the rotating shaft in the connecting assembly and is connected with an external terminal.

8. The hub battery of claim 1, further comprising: the brake disc, the brake disc cover is located in the pivot in the coupling assembling, and with wheel hub in the casing subassembly is connected.

9. The hub battery of claim 1, further comprising: the separation blade, the separation blade cover is located in the pivot in the coupling assembling, and with wheel hub end cover in the casing subassembly is relative.

10. The hub battery of claim 9, further comprising: and the fork is sleeved on the rotating shaft and is connected with the blocking piece.