Battery fixing structure of electric bicycle

Abstract

The utility model relates to the technical field of electric bicycle components, and discloses a battery fixing structure of an electric bicycle, which comprises a battery cell mounting bin body, and three mounting clamping grooves are horizontally formed in the center of the front side wall of the battery cell mounting bin body at equal intervals. A control panel mounting groove is formed in the rear side wall, corresponding to the rear ends of the three mounting clamping grooves, of the battery cell mounting bin body, and two electrode grooves are symmetrically formed between the inner side wall of the rear end of each mounting clamping groove and the inner side wall, corresponding to the control panel mounting groove, of the rear end of the mounting clamping groove. According to the utility model, the separated lithium battery cell mounting mechanism is arranged, namely, the battery cell mounting bin body is arranged, the front end of the battery cell mounting bin body is horizontally provided with three lithium battery cell mounting clamping grooves at equal intervals, and meanwhile, the rear end of each mounting clamping groove is provided with an electrode groove and a control panel mounting groove in a matched manner; a plurality of lithium battery cells can be separately and independently mounted, and after the integral fixing structure is fixedly mounted in a battery compartment of the electric bicycle, the single lithium battery cell is convenient to replace and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycle components, in particular to a battery fixing structure of an electric bicycle. Background Art

[0002] Electric bicycles, or "electric vehicles" for short, are mechatronic personal transportation vehicles that use batteries as auxiliary energy sources and are based on ordinary bicycles and are equipped with motors, controllers, batteries, handlebars and other operating components and display instrument systems. They are bicycles driven by electricity (rechargeable batteries). The main parts of an electric bicycle body are the frame, front fork, rims, handlebar saddle, etc. At present, when the battery of an electric bicycle is fixedly installed, a battery fixing structure is required.

[0003] The battery fixing structure of the existing electric bicycle still has the following problems when in use: the batteries of the existing electric bicycles are mostly lithium batteries, which are composed of multiple lithium battery cells. The multiple lithium battery cells are mostly connected and assembled by insulating glue and then fixedly installed in the battery compartment of the electric bicycle. It is inconvenient to replace and maintain a single lithium battery cell. In addition, the battery fixing structure of the existing electric bicycle lacks a good lithium battery cell auxiliary heat dissipation structure. After the battery of the electric bicycle is fixedly installed in the fixing structure, it is very easy to overheat in the fixing structure. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a battery fixing structure for an electric bicycle, which is provided with a separated lithium battery cell mounting mechanism and an auxiliary heat dissipation structure for the lithium battery cell, thereby solving the problems raised by the background art.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a battery fixing structure for an electric bicycle, comprising a battery cell installation compartment body, wherein the center position of the front side wall of the battery cell installation compartment body is horizontally and equidistantly provided with three installation slots, and the rear side wall of the battery cell installation compartment body is provided with a control board installation slot at the rear end corresponding to the three installation slots, and two electrode slots are symmetrically provided between the rear end inner side wall of the installation slot and the rear end corresponding to the inner side wall of the control board installation slot, and a separated lithium battery cell installation mechanism is arranged as a whole, that is, a battery cell installation compartment body is provided, and the front end of the battery cell installation compartment body is horizontally and equidistantly provided with three installation slots for lithium battery cells, and at the same time, the rear end of each installation slot is cooperated with an electrode slot and a control board installation slot, so that multiple lithium battery cells can be separated and independently installed, and after the overall fixing structure is fixedly installed in the battery compartment of the electric bicycle, the replacement and maintenance of a single lithium battery cell is convenient.

[0008] As a further solution of the utility model: two gas guide grooves are provided on the outer walls at the corners of both ends of the battery cell mounting warehouse body, a group of heat dissipation holes are respectively provided in the middle of the inner walls on the upper and lower sides of the mounting slot, the battery cell mounting warehouse body is made of copper and passive heat dissipation mechanisms are provided at both ends, the passive heat dissipation mechanism comprises a heat conducting pipe connected to the middle of the two side walls of the battery cell mounting warehouse body, a group of heat dissipation fins are fixedly installed on the outer side of the middle part of the heat conducting pipe, the heat conducting pipe is a U-shaped pipe, a group of heat dissipation fins are multiple and are arranged equidistantly from front to back, an embedding hole is provided between the center positions of the front and rear side walls of the heat dissipation fins, and a heat conducting pipe is reflow-welded in the multiple embedding holes on the same side, and an auxiliary heat dissipation structure of the lithium battery cell is provided as a whole, that is, the battery cell is installed in the battery cell mounting warehouse body, the battery cell mounting warehouse body is made of copper and passive heat dissipation structures are provided at both ends, and a group of heat dissipation holes are respectively provided in the middle of the inner walls on the upper and lower ends of the mounting slot, and after the battery of the electric bicycle is fixedly installed in the fixed structure, it is not easy to overheat in the fixed structure.

[0009] As a further solution of the utility model: four first matching thread grooves are opened in a rectangular array in the middle part of the front side wall of the battery cell installation compartment body, and a second matching thread groove is opened at each end of the front side wall of the battery cell installation compartment body. The matching thread grooves can cooperate with the corresponding connecting components to fix the front end of the lithium battery cell in the installation slot.

[0010] As a further solution of the utility model: a group of three heat dissipation holes are arranged at equal distances from front to back, and a dustproof screen is fixedly connected to the middle of the outer walls of the upper and lower ends of the battery cell mounting chamber and located on the outside of the multiple heat dissipation holes, which plays a role in preventing dust and dirt at the heat dissipation holes.

[0011] As a further solution of the utility model: the top outer wall of the battery cell installation compartment is symmetrically connected to two groups of columns, each group of columns is two and the top wall is fixedly connected to a fixing bracket, and a connecting groove is opened between the upper and lower side walls in the middle of the fixing bracket. The connecting grooves of the two fixing brackets can be used in conjunction with mounting bolts to fix the overall fixing structure to the corresponding work station of the electric bicycle battery compartment.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a separated lithium battery cell installation mechanism is provided, that is, a battery cell installation compartment body is provided, and three lithium battery cell installation slots are horizontally and equidistantly provided at the front end of the battery cell installation compartment body, and an electrode slot and a control board installation slot are provided at the rear end of each installation slot, so that multiple lithium battery cells can be separated and independently installed. After the overall fixed structure is fixedly installed in the battery compartment of the electric bicycle, it is convenient to replace and maintain a single lithium battery cell.

[0014] 2. In the utility model, an auxiliary heat dissipation structure of a lithium battery cell is provided, that is, the cell is installed in a cell installation compartment body, the cell installation compartment body is made of copper, and passive heat dissipation structures are provided at both ends. At the same time, a group of heat dissipation holes are respectively opened in the middle of the inner side walls at the upper and lower ends of the installation slot. After the battery of the electric bicycle is fixedly installed in the fixed structure, it is not easy to overheat in the fixed structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the battery cell installation chamber and the heat conduction pipes on both sides of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the battery cell installation bin of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the heat dissipation fins and dustproof screen of the utility model.

[0019] In the figure: 1. Battery cell mounting housing; 2. Mounting slot; 3. Control board mounting slot; 4. Electrode slot; 5. First matching threaded slot; 6. Second matching threaded slot; 7. Post; 8. Fixing bracket; 9. Connection slot; 10. Heat dissipation hole; 11. Gas guide slot; 12. Heat pipe; 13. Heat dissipation fin; 14. Fitting hole; 15. Dustproof screen. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4In an embodiment of the utility model, a battery fixing structure of an electric bicycle comprises a battery cell installation compartment body 1, wherein three installation slots 2 are horizontally and equidistantly provided at the center of the front side wall of the battery cell installation compartment body 1, a control board installation slot 3 is provided at the rear end of the rear side wall of the battery cell installation compartment body 1 corresponding to the three installation slots 2, two electrode slots 4 are symmetrically provided between the inner side wall at the rear end of the installation slot 2 and the inner side wall of the control board installation slot 3 corresponding to the rear end thereof, and a separated lithium battery cell installation mechanism is provided as a whole, that is, a battery cell installation compartment body 1 is provided, wherein three installation slots 2 for lithium battery cells are horizontally and equidistantly provided at the front end of the battery cell installation compartment body 1, and at the same time, the electrode slot 4 and the control board installation slot 3 are provided at the rear end of each installation slot 2, so that multiple lithium battery cells can be separated and independently installed, and after the overall fixed structure is fixedly installed in the battery compartment of the electric bicycle, it is convenient to replace and maintain a single lithium battery cell.

[0022] Two gas guide grooves 11 are provided on the outer wall at the corners of both ends of the battery cell installation bin body 1, and a group of heat dissipation holes 10 are provided in the middle of the inner wall on the upper and lower sides of the installation slot 2. The battery cell installation bin body 1 is made of copper and a passive heat dissipation mechanism is provided at both ends. The passive heat dissipation mechanism includes a heat pipe 12 connected to the middle of the two side walls of the battery cell installation bin body 1. A group of heat dissipation fins 13 are fixedly installed on the outer side of the middle of the heat pipe 12. The heat pipe 12 is a U-shaped tube. A group of heat dissipation fins 13 are multiple and are arranged at equal distances from front to back. An embedding hole 14 is opened between the center positions of the front and rear side walls of the heat fin 13, and a heat pipe 12 is reflow-welded in multiple embedding holes 14 on the same side. An auxiliary heat dissipation structure of the lithium battery cell is arranged as a whole, that is, the battery cell is installed in the battery cell installation compartment body 1, and the battery cell installation compartment body 1 is made of copper, and a passive heat dissipation structure is arranged at both ends. At the same time, a group of heat dissipation holes 10 are opened in the middle of the inner side walls at the upper and lower ends of the mounting slot 2. After the battery of the electric bicycle is fixedly installed in the fixed structure, it is not easy to overheat in the fixed structure.

[0023] Four first matching thread grooves 5 are opened in a rectangular array in the middle of the front side wall of the battery cell installation compartment body 1, and a second matching thread groove 6 is opened at each end of the front side wall of the battery cell installation compartment body 1. The matching thread grooves can cooperate with the corresponding connecting components to fix the front end of the lithium battery cell in the installation slot 2.

[0024] There are three heat dissipation holes 10 in a group and they are arranged at equal distances from front to back. A dustproof screen 15 is fixedly connected to the middle of the outer walls at the upper and lower ends of the battery cell mounting chamber 1 and outside the multiple heat dissipation holes 10 to prevent dust and dirt at the heat dissipation holes 10.

[0025] The top outer wall of the battery cell installation compartment 1 is symmetrically connected to two groups of columns 7, each group of columns 7 is two and the top wall is fixedly connected to a fixing frame 8. A connecting groove 9 is opened between the upper and lower side walls in the middle of the fixing frame 8. The connecting grooves 9 of the two fixing frames 8 can be used in conjunction with mounting bolts to fix the overall fixing structure to the corresponding work station of the electric bicycle battery compartment.

[0026] The working principle of the utility model is as follows: a separated lithium battery cell installation mechanism is arranged as a whole, that is, a battery cell installation compartment body 1 is arranged, and three lithium battery cell installation slots 2 are opened horizontally and equidistantly at the front end of the battery cell installation compartment body 1, and an electrode slot 4 and a control board installation slot 3 are arranged at the rear end of each installation slot 2, so that multiple lithium battery cells can be installed separately and independently. After the overall fixed structure is fixedly installed in the battery compartment of the electric bicycle, the replacement and maintenance of a single lithium battery cell is convenient. In addition, an auxiliary heat dissipation structure of the lithium battery cell is arranged as a whole, that is, the battery cell is installed in the battery cell installation compartment body 1, the battery cell installation compartment body 1 is a copper product, and passive heat dissipation structures are arranged at both ends. At the same time, a group of heat dissipation holes 10 are opened in the middle of the inner side walls at the upper and lower ends of the installation slot 2. After the battery of the electric bicycle is fixedly installed in the fixed structure, it is not easy to overheat in the fixed structure.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A battery fixing structure for an electric bicycle, comprising a battery cell mounting compartment (1); Features: The center position of the front side wall of the battery cell installation compartment (1) is provided with three installation slots (2) at equal distances horizontally, and the rear side wall of the battery cell installation compartment (1) is provided with a control board installation slot (3) at the rear end corresponding to the three installation slots (2); Two electrode slots (4) are symmetrically provided between the inner side wall of the rear end of the mounting slot (2) and the inner side wall of the control board mounting slot (3) corresponding to the rear end thereof, and a group of heat dissipation holes (10) are respectively provided in the middle of the inner side walls on the upper and lower sides of the mounting slot (2); The battery cell installation chamber (1) is made of copper and is provided with passive heat dissipation mechanisms at both ends. The passive heat dissipation mechanisms include heat conduction pipes (12) connected to the middle of the two side walls of the battery cell installation chamber (1), and a group of heat dissipation fins (13) are fixedly installed on the outer side of the middle of the heat conduction pipes (12).

2. A battery fixing structure for an electric bicycle according to claim 1, Features: Two gas guide grooves (11) are provided on the outer side walls at the corners at both ends of the battery cell installation chamber (1).

3. The battery fixing structure of an electric bicycle according to claim 1, Features: The heat conducting pipe (12) is a U-shaped pipe, a group of heat dissipation fins (13) is a plurality of fins arranged at equal distances from front to back, and a fitting hole (14) is provided between the center positions of the front and rear side walls of the heat dissipation fins (13).

4. A battery fixing structure for an electric bicycle according to claim 3, Features: Heat conducting pipes (12) are reflow-welded in a plurality of interlocking holes (14) on one side.

5. The battery fixing structure of an electric bicycle according to claim 1, Features: Four first matching thread grooves (5) are provided in a rectangular array in the middle of the front side wall of the battery cell installation chamber (1), and a second matching thread groove (6) is provided at each end of the front side wall of the battery cell installation chamber (1).

6. The battery fixing structure of an electric bicycle according to claim 1, Features: A group of the heat dissipation holes (10) consists of three holes which are arranged at equal distances from front to back, and a dustproof screen (15) is fixedly connected to the middle of the outer side walls at the upper and lower ends of the battery cell installation chamber (1) and located outside the plurality of heat dissipation holes (10).

7. The battery fixing structure of an electric bicycle according to claim 1, Features: The top outer wall of the battery cell installation chamber (1) is symmetrically connected to two groups of columns (7), each group of columns (7) is two and the top wall is fixedly connected to a fixing frame (8), and a connecting groove (9) is provided between the upper and lower side walls in the middle of the fixing frame (8).

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