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CN-224232839-U - Modularized quick-release battery system and electric bicycle

CN224232839UCN 224232839 UCN224232839 UCN 224232839UCN-224232839-U

Abstract

The application relates to the technical field of electric bicycles, in particular to a modularized quick-release battery system and an electric bicycle, wherein the modularized quick-release battery system comprises a battery shell, at least two battery packs, a fixing assembly and an unlocking assembly, the battery packs are arranged in the battery shell in an end-to-end mode and are electrically connected through matching of a connecting seat and a connecting groove, the connecting seat can be detachably fixed in the connecting groove by the fixing assembly, the unlocking assembly is used for unlocking the fixing assembly, the electric bicycle comprises the modularized quick-release battery system and an electric bicycle body, and the modularized quick-release battery system is arranged on a goods shelf at the rear end of the electric bicycle body.

Inventors

  • WU CHANGJIAN
  • HOU GUANGHUI
  • TAN FENG
  • ZHANG BO

Assignees

  • 深圳哲轮科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. The modularized quick-release battery system is characterized by comprising a battery shell (1), at least two battery packs (2), a fixing assembly (3) and an unlocking assembly (4), wherein an opening and closing cover (11) is arranged at the tail of the battery shell (1), the battery packs (2) are sequentially arranged in the battery shell (1) in an end-to-end connection mode, a connecting seat (21) is arranged on the head of each battery pack (2) in a protruding mode, a connecting groove (22) for the connecting seat (21) to be inserted is formed in the tail of each battery pack (2), pins (23) for electric connection are arranged on the end face of each connecting seat (21) and the bottom wall of each connecting groove (22), and the fixing assembly (3) can detachably fix the connecting seat (21) in the connecting grooves (22), and the unlocking assembly (4) is used for unlocking the fixing assembly (3).
  2. 2. The modular quick-release battery system according to claim 1, wherein the fixing component (3) comprises a buckle (31) and an elastic piece (32), the buckle (31) is respectively arranged on two sides of the connecting seat (21) which are parallel to each other, the battery pack (2) is correspondingly provided with a clamping groove (24) for clamping the head of the buckle (31) on the side wall of the connecting groove (22), the elastic piece (32) always drives the head of the buckle (31) to extend out of the side wall of the connecting seat (21), and an inclined surface is arranged on one side of the head of the buckle (31) away from the battery pack (2), and when the connecting seat (21) is inserted into the connecting groove (22), the inclined surface of the buckle (31) is abutted against the side wall of the connecting groove (22).
  3. 3. A modular quick-release battery system as set forth in claim 2, wherein the elastic member (32) is a spring, the buckle (31) is rotatably disposed in the connection base (21) through a rotation shaft, a movable groove (25) is formed in the connection base (21) for the buckle (31) to rotate so that the head of the buckle (31) extends out of the side wall of the connection base (21) or is retracted into the connection base (21), the spring is located at one end far away from the head of the buckle (31) and is located at the same side as the head of the buckle (31), and when the head of the buckle (31) extends out of the side wall of the connection base (21) and is clamped into the movable groove (25), the spring is abutted against the side wall of the buckle (31) and is in a compressed state.
  4. 4. A modular quick-release battery system as set forth in claim 3, wherein the unlocking assembly (4) comprises a handle (41) and an unlocking rope (42), the handle (41) is rotatably arranged at the tail of the battery pack (2), a caulking groove (26) is formed in the surface of the battery pack (2), the handle (41) can be rotatably embedded in the caulking groove (26), two unlocking ropes (42) are arranged corresponding to the two buckles (31), one ends of the unlocking ropes (42) penetrate through springs and are connected with the tail side walls of the buckles (31), and the other ends of the unlocking ropes (42) extend to the tail of the battery pack (2) to be connected with the end portions of the handle (41).
  5. 5. The modular quick-release battery system as set forth in claim 4, wherein the handle (41) comprises a slider (411) and a handle body (412), the slider (411) is slidably disposed in the battery pack (2), a sliding groove for the slider (411) to slide is formed in the tail of the battery pack (2), the unlocking rope (42) is connected with the slider (411), the handle body (412) is rotatably connected with the end portion of the slider (411), and the caulking groove (26) is communicated with the sliding groove.
  6. 6. The modular quick-release battery system as set forth in claim 5, wherein a limiting block (413) is arranged on the side wall of the sliding block (411), a limiting groove (27) for sliding the limiting block (413) is formed in the battery pack (2), and the limiting groove (27) is communicated with the sliding groove.
  7. 7. The modular quick-release battery system as set forth in claim 5, wherein the battery pack (2) is provided with a protruding block (28) on the side wall of the caulking groove (26), the handle body (412) can pass through the protruding block (28) in an interference manner and be clamped into the caulking groove (26), the side wall of the battery pack (2) is provided with a force application groove (29) which is convenient for taking out the handle body (412), and the force application groove (29) is communicated with the caulking groove (26).
  8. 8. A modular quick release battery system as claimed in claim 1, wherein said number of pins (23) comprises at least two groups, said two groups of pins (23) comprising a group of positive pins and a group of negative pins.
  9. 9. A modular quick release battery system as claimed in claim 8, wherein the pins (23) are provided with five groups, including a positive pin, a negative pin, two communication pins and a wake-up pin, wherein the positive pin and the negative pin are arranged on two sides, the two communication pins and the wake-up pin are arranged in the middle, and when the wake-up pins on two adjacent battery groups (2) are connected, the battery is discharged with a delay of 0.5 seconds.
  10. 10. An electric bicycle is characterized by comprising the modularized quick-release battery system according to any one of claims 1-9, and further comprising an electric bicycle body (5), wherein a goods shelf (51) is arranged at the rear end of the electric bicycle body (5), and the modularized quick-release battery system is arranged on the goods shelf (51).

Description

Modularized quick-release battery system and electric bicycle Technical Field The application relates to the technical field of electric bicycles, in particular to a modularized quick-release battery system and an electric bicycle. Background With the continuous increase of urban commute and short trip demands, electric bicycles are increasingly popular vehicles by virtue of the characteristics of high efficiency, environmental protection and economy. The battery is used as a power source of the electric bicycle, and the cruising ability and the charging mode of the battery become key factors of the service performance of the electric bicycle. Currently, conventional electric bicycles mostly employ an integrated battery, which is fixed at a specific position of a frame. When facing different travel demands, flexible adjustment cannot be made. For example, in long distance running, the condition of insufficient electric quantity often occurs due to fixed electric quantity of the battery, and in short distance running, the load of the vehicle is redundant because the weight of the battery cannot be reduced. In addition, the integral battery is complex in installation and disassembly processes, and a professional tool is needed, so that the operation difficulty is high for an ordinary user. Disclosure of utility model In order to solve the problem of inconvenient use of the battery, the application provides a modularized quick-release battery system and an electric bicycle. In a first aspect, the present application provides a modular quick-release battery system, which adopts the following technical scheme: The utility model provides a modularization quick detach battery system, includes battery case, two at least group batteries, fixed subassembly and unlocking component, the battery case afterbody is provided with opens and close the lid, group battery end to end set gradually in the battery case, group battery head protrusion is provided with the connecting seat, the group battery afterbody has been seted up and has been supplied the spread groove of connecting seat grafting, the connecting seat terminal surface with all be provided with the pin that is used for the electricity to connect on the spread groove diapire, fixed subassembly can with the connecting seat can dismantle be fixed in the spread groove, unlocking component is used for the unblock fixed subassembly. By adopting the technical scheme, the modularized splicing of the battery packs is realized, the battery packs are convenient to install and detach, the maintenance and replacement of the batteries are convenient, the electric connection between the battery packs is realized by utilizing the pins, the connecting seat is stably fixed in the connecting groove through the fixing assembly to ensure the connection reliability, the unlocking assembly can unlock the fixing assembly to facilitate the separation of the battery packs, so that a user can flexibly adjust the quantity of the batteries to be installed according to the travel distance, and the convenience of the use of the batteries is improved. Optionally, the fixed subassembly includes buckle and elastic component, the buckle in the both sides that the connecting seat is parallel to each other set up respectively, the group battery in correspond on the spread groove lateral wall and offered the confession the draw-in groove of buckle head joint, the elastic component is driven all the time the buckle head stretches out the connecting seat lateral wall, the buckle head deviates from one side of group battery is provided with the inclined plane, works as the connecting seat inserts in the spread groove, the inclined plane of buckle with spread groove lateral wall looks butt. Through adopting above-mentioned technical scheme, the group battery can end to end set up in battery case, and the equipment between group battery is realized in connecting seat and spread groove cooperation, utilizes buckle and draw-in groove cooperation simultaneously, can dismantle the connecting seat under the elastic component effect and fix in the spread groove, and the inclined plane design is convenient for the connecting seat insert the spread groove smoothly. Optionally, the elastic component is the spring, the buckle rotate through the pivot set up in the connecting seat, set up in the connecting seat and supply the buckle rotates and make the buckle head stretch out the connecting seat lateral wall or take in the movable groove in the connecting seat, the spring is located keeping away from the one end of buckle head and with the buckle head is located same one side, works as the buckle head stretches out the connecting seat lateral wall and card is gone into in the movable groove, the spring with buckle lateral wall looks butt is in compressed state. By adopting the technical scheme, the spring is used as the elastic piece to provide stable elastic force for the buckle, so that the buckle is kept in a cl