Bicycle lithium battery module end charging and discharging structure
By designing the structure of the box, rotating shaft, hand-crank bar and threaded lead screw in the end of the bicycle lithium battery module, the line failure problem caused by the complex wire connection method is solved, and the wires are easily sorted out and collected, and the device is extended life.
Patent Information
- Application Number
- CN202420939574.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The wire connection method of the end charging and discharging structure of the existing bicycle lithium battery module is complicated, resulting in frequent line failures and shortening the device life.
A structure including a box, a rotary shaft, a hand-crank bar and a lead screw is designed. By rotating the hand-crank bar and a rotary shaft, the wire is placed in the middle of the double-column rotary shaft, and the meshing of the threaded lead screw is used to realize the rotational combing and collection of the wires. Extend the device life.
This structure enables simple combing and collection of wires, extends the service life of the device, and ensures the normal operation of the charging and discharging process.
Smart Images
Figure CN222214367U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery modules, and more specifically, to a charging and discharging structure of a bicycle lithium battery module terminal. Background Art
[0002] Lithium batteries have the advantages of light weight, high capacity, long life, low self-discharge rate, no memory effect, and no pollution. In particular, power lithium batteries are widely used in electric bicycles, electric hardware tools and other equipment. These devices have high requirements for the charging and discharging structure of the bicycle lithium battery module end. Different voltages are controlled through different wiring and devices for charging and discharging. Due to the complex internal wiring method, it is difficult to sort out. Long-term operation can easily lead to line failure and shorten the life of the device. Utility Model Content
[0003] In order to overcome the deficiencies of the prior art, the utility model provides a bicycle lithium battery module terminal charging and discharging structure, which has the advantages of being able to sort out and collect complex wires and being easy to operate.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bicycle lithium battery module terminal charging and discharging structure, comprising a box body, a sealing strip is fixedly installed on the top of the box body, the bottom of the sealing strip is close to the edge of the top of the box body, a charging port is fixedly installed on the side wall of the box body, a wire 1 is fixedly installed on the left side of the charging port, a lithium battery connector is fixedly installed above the wire 1, a resistor plate is fixedly installed in the middle of the wire 1, a current connector is fixedly installed below the wire 1, a lithium battery module is fixedly installed on the bottom end of the wire 1, and a wire 2 is fixedly installed on the side of the lithium battery module; a rotating shaft, the rotating shaft is rotatably installed on the side wall of the box body, a double-column rotating shaft is fixedly installed on the left end of the rotating shaft, a hand crank is fixedly installed on the left side of the double-column rotating shaft, a cavity is opened at the bottom of the box body, a screw with rotational freedom is rotatably installed inside the cavity, and a nut is fixedly installed on the left end of the screw.
[0005] The beneficial effect of adopting the above technical solution is: by setting the rotating shaft to be rotatably installed on the side wall of the box, a double-column rotating shaft is fixedly installed on the left end of the rotating shaft, and a hand crank is fixedly installed on the left side of the double-column rotating shaft, which can be realized by rotating the hand crank. Since the right end of the bottom of the hand crank is a regular hexagon, the double-column rotating shaft is driven to rotate, and the wire one and the wire two are placed in the middle of the double-column rotating shaft. The rotation of the hand crank can realize the rotation, combing and collection of wire one and wire two, thereby extending the life of the device.
[0006] As a preferred technical solution of the utility model, the rotating shaft is inserted into the right side of the double-column rotating shaft.
[0007] The beneficial effect of adopting the above technical solution is that by arranging the rotating shaft to be inserted into the right side of the double-column rotating shaft, it can be achieved that when the double-column rotating shaft rotates, the rotating shaft can be driven to rotate.
[0008] As a preferred technical solution of the present utility model, the right end of the hand crank is a regular hexagonal column, and the right end of the hand crank is inserted into the left side of the double-column rotating shaft.
[0009] The beneficial effect of adopting the above technical solution is: by setting the right end of the hand crank as a regular hexagonal column, and inserting the right end of the hand crank into the left side of the double-column shaft, the hand crank can be rotated, and the rotation of the double-column shaft is driven by the rotation of the right end column of the hand crank.
[0010] As a preferred technical solution of the utility model, the surface of the lead screw is threaded and meshes with the contact portion of the box body.
[0011] The beneficial effect of adopting the above technical solution is: by setting the surface of the screw to be threaded and engaging with the contact part of the box, the screw can be rotated to control the movement of the right end of the screw, thereby achieving contact and fixation of the right end of the screw with the outside.
[0012] As a preferred technical solution of the present utility model, the top ends of the wire one and the wire two are both installed on the left side of the charging port.
[0013] The beneficial effect of adopting the above technical solution is that by arranging that the top ends of the wire 1 and the wire 2 are both installed on the left side of the charging port, the normal operation of the circuit during the charging and discharging process can be achieved.
[0014] As a preferred technical solution of the utility model, the first wire and the second wire both pass through the interior of the lithium battery connector.
[0015] The beneficial effect of adopting the above technical solution is that by arranging the wire 1 and the wire 2 to pass through the interior of the lithium battery connector, the lithium battery connector can control the current inside the wire 1 and the wire 2.
[0016] As a preferred technical solution of the utility model, the nut is a regular hexagon and is installed on the left end of the lead screw.
[0017] The beneficial effect of adopting the above technical solution is that by setting the nut to be a regular hexagon and installing it on the left end of the screw, the nut can be rotated to drive the screw to rotate.
[0018] As a preferred technical solution of the present utility model, the cavity is opened at the bottom of the lithium battery module.
[0019] The beneficial effect of adopting the above technical solution is that by arranging the cavity to be opened at the bottom of the lithium battery module, the box can be fixed by rotating the nut to control the movement of the right end of the lead screw. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a left view of the overall structure of the utility model;
[0022] Figure 3 This is a schematic diagram of the cavity structure of the utility model;
[0023] Figure 4 This is a schematic diagram of the rotating shaft structure of the utility model;
[0024] Figure 5 It is a structural schematic diagram of the utility model electric wire.
[0025] In the figure: 1. Box body; 2. Sealing strip; 3. Charging port; 4. Wire one; 5. Lithium battery connector; 6. Resistor board; 7. Current connector; 8. Lithium battery module; 9. Wire two; 10. Shaft; 11. Double-column shaft; 12. Hand crank; 13. Cavity; 14. Screw; 15. Nut. DETAILED DESCRIPTION
[0026] 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.
[0027] like Figures 1 to 5 As shown, the utility model provides a bicycle lithium battery module end charging and discharging structure, comprising a box body 1, a sealing strip 2 is fixedly installed on the top of the box body 1, the bottom of the sealing strip 2 is close to the edge of the top of the box body 1, a charging port 3 is fixedly installed on the side wall of the box body 1, a wire 14 is fixedly installed on the left side of the charging port 3, a lithium battery connector 5 is fixedly installed above the wire 14, a resistor plate 6 is fixedly installed in the middle of the wire 14, a current connector 7 is fixedly installed below the wire 14, a lithium battery module 8 is fixedly installed on the bottom end of the wire 14, and a wire 2 9 is fixedly installed on the side of the lithium battery module 8; a rotating shaft 10, the rotating shaft 10 is rotatably installed on the side wall of the box body 1, a double-column rotating shaft 11 is fixedly installed on the left end of the rotating shaft 10, a hand crank 12 is fixedly installed on the left side of the double-column rotating shaft 11, a cavity 13 is opened at the bottom of the box body 1, a screw 14 with rotational freedom is rotatably installed inside the cavity 13, and a nut 15 is fixedly installed on the left end of the screw 14.
[0028] The beneficial effect of adopting the above technical scheme is: by setting the rotating shaft 10 to be rotatably installed on the side wall of the box body 1, the left end of the rotating shaft 10 is fixedly installed with a double-column rotating shaft 11, and the left side of the double-column rotating shaft 11 is fixedly installed with a hand crank 12, which can be realized by rotating the hand crank 12. Since the right end of the bottom of the hand crank 12 is a regular hexagon, the double-column rotating shaft 11 is driven to rotate, and the wire 1 4 and the wire 2 9 are placed in the middle of the double-column rotating shaft 11. The rotation of the hand crank 12 can realize the rotation, combing and collection of the wire 1 4 and the wire 2 9, thereby extending the life of the device.
[0029] The rotating shaft 10 is inserted on the right side of the double-column rotating shaft 11 .
[0030] The beneficial effect of adopting the above technical solution is that by arranging the rotating shaft 10 to be inserted into the right side of the double-column rotating shaft 11, it can be achieved that when the double-column rotating shaft 11 rotates, the rotating shaft 10 can be driven to rotate.
[0031] The right end of the hand crank 12 is a regular hexagonal column, and the right end of the hand crank 12 is inserted into the left side of the double-column rotating shaft 11.
[0032] The beneficial effect of adopting the above technical solution is: by setting the right end of the hand crank 12 to be a regular hexagonal column, and the right end of the hand crank 12 is inserted into the left side of the double-column shaft 11, the hand crank 12 can be rotated, and the rotation of the right end column of the hand crank 12 drives the rotation of the double-column shaft 11.
[0033] The surface of the lead screw 14 is threaded and meshes with the contact portion of the box body 1 .
[0034] The beneficial effect of adopting the above technical solution is: by setting the surface of the screw 14 to be threaded and engaging with the contact part of the box body 1, the screw 14 can be rotated to control the movement of the right end of the screw 14, so that the right end of the screw 14 can be fixed by contacting the outside.
[0035] Among them, the top ends of wire 1 4 and wire 2 9 are both installed on the left side of the charging port 3 .
[0036] The beneficial effect of adopting the above technical solution is that by arranging that the top ends of the wire 1 4 and the wire 2 9 are both installed on the left side of the charging port 3, the normal operation of the circuit during the charging and discharging process can be achieved.
[0037] Among them, wire 1 4 and wire 2 9 both pass through the interior of the lithium battery connector 5 .
[0038] The beneficial effect of adopting the above technical solution is: by setting the wire 1 4 and the wire 2 9 to pass through the inside of the lithium battery connector 5, the lithium battery connector 5 can control the current inside the wire 1 4 and the wire 2 9.
[0039] The nut 15 is a regular hexagon and is installed on the left end of the lead screw 14 .
[0040] The beneficial effect of adopting the above technical solution is that by setting the nut 15 to be a regular hexagon and installing it on the left end of the screw 14, the nut 15 can be rotated to drive the screw 14 to rotate.
[0041] The cavity 13 is opened at the bottom of the lithium battery module 8 .
[0042] The beneficial effect of adopting the above technical solution is that by arranging the cavity 13 to be opened at the bottom of the lithium battery module 8, the box body 1 can be fixed by rotating the nut 15 to control the movement of the right end of the screw 14.
[0043] The working principle and use process of this utility model:
[0044] When preparing for charging and discharging, energize the charging port 3, remove and stretch the wire 1 4 and the wire 2 9 by turning the hand crank 12, and the current flows through the wire 1 4, and flows to the lithium battery module 8 through the control of the lithium battery connector 5 and the current connector 7, and then forms a loop through the wire 2 9 connected to the lithium battery module 8.
[0045] When the charge and discharge are finished, the rotating shaft 10 is rotated and installed on the side wall of the box body 1. The left end of the rotating shaft 10 is fixedly installed with a double-column rotating shaft 11. The left side of the double-column rotating shaft 11 is fixedly installed with a hand crank 12. By rotating the hand crank 12, since the right end of the bottom of the hand crank 12 is a regular hexagon, the double-column rotating shaft 11 is driven to rotate, and the wire 1 4 and the wire 2 9 are placed in the middle of the double-column rotating shaft 11. The rotation of the hand crank 12 can realize the rotation and combing of the wire 1 4 and the wire 2 9, thereby extending the life of the device. Since the surface of the lead screw 14 is threaded and meshes with the contact part of the box body 1, the lead screw 14 can be rotated to control the movement of the right end of the lead screw 14, so that the right end of the lead screw 14 is fixed in contact with the outside.
[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Bicycle lithium battery module terminal charging and discharging structure, characterized in that: include: A box body, a sealing strip is fixedly installed on the top of the box body, the bottom of the sealing strip is close to the edge of the top of the box body, a charging port is fixedly installed on the side wall of the box body, a wire 1 is fixedly installed on the left side of the charging port, a lithium battery connector is fixedly installed above the wire 1, a resistor plate is fixedly installed in the middle of the wire 1, a current connector is fixedly installed below the wire 1, a lithium battery module is fixedly installed on the bottom end of the wire 1, and a wire 2 is fixedly installed on the side of the lithium battery module; A rotating shaft is rotatably mounted on the side wall of the box body, a double-column rotating shaft is fixedly mounted on the left end of the rotating shaft, a hand crank is fixedly mounted on the left side of the double-column rotating shaft, a cavity is opened at the bottom of the box body, a screw with rotational freedom is rotatably mounted inside the cavity, and a nut is fixedly mounted on the left end of the screw.
2. The bicycle lithium battery module terminal charging and discharging structure according to claim 1, characterized in that: The rotating shaft is inserted into the right side of the double-column rotating shaft.
3. The bicycle lithium battery module terminal charging and discharging structure according to claim 1, characterized in that: The right end of the hand crank is a regular hexagonal column, and the right end of the hand crank is inserted into the left side of the double-column rotating shaft.
4. The bicycle lithium battery module terminal charging and discharging structure according to claim 1, characterized in that: The surface of the lead screw is threaded and meshes with the contact portion of the box body.
5. The bicycle lithium battery module terminal charging and discharging structure according to claim 1, characterized in that: The top ends of the wire 1 and the wire 2 are both installed on the left side of the charging port.
6. The bicycle lithium battery module terminal charging and discharging structure according to claim 1, characterized in that: The first wire and the second wire both pass through the interior of the lithium battery connector.
7. The bicycle lithium battery module terminal charging and discharging structure according to claim 1, characterized in that: The nut is a regular hexagon and is installed on the left end of the lead screw.
8. The bicycle lithium battery module terminal charging and discharging structure according to claim 1, characterized in that: The cavity is opened at the bottom of the lithium battery module.