Battery ejection mechanism and battery assembly
By designing a battery ejection mechanism, which utilizes a combination of elastic elements and sliders, the battery module is automatically moved from the locked position to the unlocked position, solving the problem of the difficulty in removing the battery module from electric bicycles and enabling convenient replacement of the battery module.
Patent Information
- Application Number
- CN202410671716.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-11-28
AI Technical Summary
The battery module of an electric bicycle cannot automatically move from the locked position to the unlocked position during the removal process, making it difficult for users to remove the battery module from the lower tube or inside the tube, causing inconvenience.
Design a battery ejection mechanism, including a connecting body, a first elastic element and an ejection slider. The elastic force is converted into a longitudinal upward component and an axial outward component through the contact inclined surface, which pushes the battery module from the locked position to the unlocked position. The slider is moved smoothly by the slide rail and sliding part.
The battery module can move automatically from the locked to the unlocked position, making it easier for users to remove the battery module from the tube and improving the convenience of battery replacement.
Smart Images
Figure CN121019749A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a battery ejection mechanism and a battery assembly for a vehicle. BACKGROUND
[0002] In order to make the appearance of an electric bicycle simple, the battery module can be arranged in the lower tube or tube of the electric bicycle. However, when the user removes the battery module, the battery module cannot automatically move from the locked position to the unlocked position, and the user has difficulty in taking out the battery module from the lower tube or tube, causing the user to be troubled in use. SUMMARY
[0003] In view of the problems mentioned in the background art, the purpose of the present application is to provide a battery ejection mechanism and a battery assembly, when the user removes the battery module, the battery module can automatically move from the locked position to the unlocked position, so as to facilitate the user to take out the battery module from the lower tube or tube.
[0004] According to the purpose of the present application, a battery ejection mechanism is provided for connecting a battery module, comprising a connecting body, a first elastic member and an ejection slider, one side of the connecting body facing the battery module is provided with an open slot, the first elastic member is longitudinally arranged in the open slot, one end of the ejection slider is arranged at one end of the first elastic member, and the ejection slider has a contact inclined surface on one side corresponding to the end surface of the battery module, for bearing the battery module, wherein the contact inclined surface converts the elastic force of the first elastic member into a longitudinal upward component force and an axial outward component force.
[0005] The battery ejection mechanism comprises a sliding rail and a sliding part, the sliding rail is arranged on the bottom surface of the open slot, the sliding part is arranged on one side of the ejection slider facing the sliding rail and protrudes into the sliding rail, and the ejection slider is provided with a contact inclined surface protruding out of the open slot, which is used to contact the pressing protrusion arranged on one side of the battery module.
[0006] The second elastic member is longitudinally arranged in the open slot, and the first elastic member is located at the periphery of the second elastic member, for pushing one end of the ejection slider together with the first elastic member.
[0007] According to the purpose of the present application, a battery assembly is provided, which comprises a battery module and a battery ejection mechanism, one side of the battery module is provided with a pressing protrusion, the battery ejection mechanism is arranged on a pipe body of a frame, and comprises a connecting body, a plurality of ejection sliders and a plurality of first elastic members, the connecting body is used for connecting one side of the battery module and is provided with a plurality of open grooves, the bottom surface of each open groove is provided with a sliding rail, each ejection slider is arranged at a position corresponding to each sliding rail, and each ejection slider is provided with a contact inclined surface protruding from the open groove, each contact inclined surface contacts the pressing protrusion, and each first elastic member is arranged in each open groove.
[0008] In summary, when the battery module moves from the locked position to the unlocked position, the spring recovers from the compressed state to the initial state, the elastic force of the first elastic member is converted into the vertical upward component force and the axial outward component force through the contact inclined surface, a good ejection effect is achieved, the battery module can be ejected by the battery ejection mechanism to expose the pipe body, and the user can take out the battery module from the pipe body. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is an assembly schematic diagram of one embodiment of the battery assembly of the present application.
[0010] Figure 2 It is a schematic diagram of a partial cross section of a three-dimensional part of the battery ejection mechanism of the present application.
[0011] Figure 3 It is a schematic diagram of a cross section of the ejection slider in the unlocked position and the locked position of the present application.
[0012] Figure 4 It is a schematic diagram of an external appearance of the connecting body of the present application.
[0013] Figure 5 It is a schematic diagram of a front view of the battery ejection mechanism of the present application.
[0014] Figure 6 It is a schematic diagram of a rear view of the ejection slider from the hole into the sliding rail of the present application.
[0015] Figure 7 It is a schematic diagram of an external appearance of the ejection slider of the present application.
[0016] Figure 8 It is a schematic diagram of a partial cross section of a three-dimensional part of the ejection slider in the unlocked position of the present application.
[0017] Figure 9 It is a schematic diagram of a partial cross section of a three-dimensional part of the ejection slider in the unlocked position of the present application.
[0018] Figure 10This is a cross-sectional schematic diagram of the battery ejection mechanism of this application, including the second elastic element.
[0019] Figure 11 This is a schematic diagram of another embodiment of the battery assembly of this application.
[0020] Figure 12 This is a cross-sectional schematic diagram of the battery ejection mechanism of another embodiment of the battery assembly of this application.
[0021] Explanation of reference numerals in the attached drawings: 1-Battery ejection mechanism; 10-Connecting body; 12-Ejection slider; 120-Contact slope; 1200-Second abutment surface; 122-Second protrusion; 124-Shoulder; 126-Sliding part; 128-Protrusion; 1280-First abutment surface; 1282-Slope; 14-First elastic element; 16-Second elastic element; 2-Battery module; 20-Pressure protrusion; 3-Opening groove; 30-Slide rail; 300-Hole; 32-First protrusion; 34-Neck; 36-Limiting protrusion; Fp-Axial outward component force; Fe-Longitudinal upward component force. Detailed Implementation
[0022] The embodiments of this application will be further explained below with reference to the accompanying drawings. Wherever possible, the same reference numerals represent the same or similar components in the drawings and description. Components not specifically shown in the drawings or described in the description may be in forms known to those skilled in the art for the sake of simplicity and convenience. Those skilled in the art can make various changes and modifications based on the content of this application.
[0023] like Figures 1 to 3 As shown, this application discloses a battery ejection mechanism, which is installed on the tube of the frame and used to connect the battery module 2. Here, the tube is the lower tube or middle tube of an electric bicycle, but this application is not limited to this in actual implementation. The battery ejection mechanism 1 includes a connecting body 10, an ejection slider 12, and a first elastic member 14. The connecting body 10 has an opening groove 3 on the side facing the battery module 2. The first elastic member 14 is longitudinally arranged in the opening groove 3. One end of the ejection slider 12 is located at one end of the first elastic member 14. The ejection slider 12 has a contact slope 120 on the side corresponding to the end face of the battery module 2 to support the battery module 2. The contact slope 120 converts the elastic force of the first elastic member 14 into a longitudinally upward component force Fe and an axially outward component force Fp.
[0024] The battery module 2 has a pressing protrusion 20 on the side facing the contact slope 120. The contact slope 120 is used to contact the pressing protrusion 20. During the contact process between the contact slope 120 and the pressing protrusion 20, the ejector sliders 12 are all displaced along their respective corresponding opening slots 3.
[0025] The battery module 2 moves between a locked position or an unlocked position. The locked position is that the battery module 2 is installed on the tube body and connected to the battery ejector 1, and the plurality of first elastic members 14 are in a compressed state. The unlocked position is that the plurality of first elastic members 14 are in a released compression state, and the battery ejector 1 ejects the battery module 2. As shown in Figure 3 the position of the ejector slider 12 shown in a cross-section line is the locked position, and Figure 3 the position of the ejector slider 12 shown in a dashed line is the unlocked position.
[0026] When the battery module 2 is in the locked position, the axial outward force Fp acts on the abutting protrusion 20, and has the effect of stabilizing the battery module 2. When the first elastic member 14 is converted from the compressed state to the released elastic force, that is, during the process of moving the battery module 2 from the locked position to the unlocked position, the longitudinal upward force Fe acts on the abutting protrusion 20, and the battery module 2 is moved to the unlocked position.
[0027] As shown in Figure 4 , Figure 5 In some embodiments of the present application, the two side surfaces of the opening groove 3 protrude in opposite directions to form a neck portion 34, and the ejector slider 12 is provided with a shoulder portion 124 at a position relative to the neck portion 34. The shoulder portion 124 abuts against the neck portion 34 through the plurality of first elastic members 14, so as to limit the movement stroke of the ejector slider 12 in each of the slide rails 30, so as to maintain the elastic restoring force of the plurality of first elastic members 14 pushing the ejector slider 12.
[0028] The bottom surface of the opening groove 3 is provided with a limiting protrusion 36 at a predetermined distance from the neck portion 34. The limiting protrusion 36 and the neck portion 34 limit the movement stroke of the shoulder portion 124, so as to avoid excessive compression and deformation of the plurality of first elastic members 14. Further, the movement stroke of the ejector slider 12 in the slide rail 30 is between the neck portion 34 and the limiting protrusion 36.
[0029] In order to enable the ejector slider 12 to move smoothly in the slide rail 30, and not prone to deflection during movement, as shown in Figure 4 , Figures 6 to 9As shown, in some embodiments of this application, a slide rail 30 is provided on the bottom surface of the opening groove 3. A hole 300 is provided between the two ends of the slide rail 30, and the width of the hole 300 is greater than that of the slide rail 30. The contact slope 120 has a sliding part 126 facing the slide rail 30, and the free end of the sliding part 126 has a protrusion 128. The width of the sliding part 126 is smaller than that of the protrusion 128 and the contact slope 120, such that the side of the protrusion 128 that contacts the sliding part 126 forms a first abutment surface 1280. And the side of the contact slope 120 that contacts the sliding part 126 forms a second abutment surface 1200. The protrusion 128 passes through the hole 300 through the slide rail 30, and the first abutment surface 1280 abuts against one side of the slide rail 30, and the second abutment surface 1200 abuts against the other side of the slide rail 30, so that the sliding part 126 maintains the movement of the ejector slider 12 within the slide rail 30 through the first abutment surface 1280 and the second abutment surface 1200.
[0030] To prevent the ejector slider 12 from getting stuck at the junction of the hole 300 and the slide rail 30 during its movement through the hole 300, in this embodiment, the top and bottom surfaces of the protrusion 128 are provided with inclined surfaces 1282 on adjacent sides. Thus, when the ejector slider 12 moves towards one end of the slide rail 30 and passes through the hole 300, the inclined surfaces 1282 allow the protrusion 128 to smoothly pass through the junction of the hole 300 and the slide rail 30. Furthermore, during the process of the battery module 2 moving from the unlocked position to the locked position, the external force is greater than the outward axial force Fp, ensuring that when the ejector slider 12 passes through the hole 300, the protrusion 128 remains inside the slide rail 30 and does not detach from the hole 300.
[0031] like Figure 10 As shown, in some embodiments of this application, the battery ejection mechanism 1 includes a second elastic member 16. The second elastic member 16 is disposed within the opening groove 3, and the first elastic member 14 is located around the second elastic member 16, together abutting against the ejection slider 12 to provide elastic restoring force.
[0032] Further, one end of the opening slot 3 is provided with a first protrusion 32, and the corresponding first protrusion 32 is provided with a second protrusion 122. One end of the second elastic member 16 is sleeved around the first protrusion 32, and the other end of the second elastic member 16 is sleeved around the corresponding second protrusion 122, so that the second elastic member 16 does not deviate when moving, and the first elastic member 14 is located outside the second elastic member 16. In addition, when the ejection slider 12 moves longitudinally downward, the first elastic member 14 and the second elastic member 16 are compressed at the same time. Then release the external force, the first elastic member 14 and the second elastic member 16 are stretched longitudinally upward by their elastic force, to push the ejection slider 12 to move longitudinally upward. In practical application, the second elastic member 16 can also not be sleeved around the first protrusion 32 and the second protrusion 122, or other means can be used to fix the second elastic member 16, for example, the first protrusion 32 and the second protrusion 122 are replaced by grooves. In addition, the two ends of the first elastic member 14 can also be limited by various means to avoid deviation.
[0033] The first elastic member 14 and the second elastic member 16 are spiral springs, and the spiral directions of the first elastic member 14 and the second elastic member 16 are opposite. The purpose of using the opposite spiral directions of the first elastic member 14 and the second elastic member 16 is to avoid interference between the first elastic member 14 and the second elastic member 16 during the movement of being compressed or releasing compression.
[0034] The second elastic member 16 mainly strengthens the part that the first elastic member 14 may not have enough elastic force. Therefore, in addition to being spiral springs, the first elastic member and the second elastic member can also be torsion springs or oil pressure rods.
[0035] As shown in the drawings, Figure 1 The present application is a battery assembly, which comprises a battery ejection mechanism 1 and a battery module 2. The battery ejection mechanism 1 is arranged on the pipe body of the frame, and one side of the battery module 2 is provided with a pressing protrusion 20. The battery ejection mechanism 1 comprises a connecting body 10, a plurality of ejection sliders 12, and a plurality of first elastic members 14. The connecting body 10 is used to connect one side of the battery module 2, and a plurality of opening slots 3 are arranged on the connecting body 10. The bottom surface of each opening slot 3 is provided with a sliding rail 30. Each ejection slider 12 is arranged at the position corresponding to each sliding rail 30, and each ejection slider 12 is provided with a contact inclined surface 120 protruding from the opening slot 3. Each contact inclined surface 120 contacts the pressing protrusion 20, and each first elastic member 14 is arranged in each opening slot 3.
[0036] AsFigure 11 and Figure 12 As shown, in some embodiments of this battery assembly, a plurality of second elastic elements 16 are also included, each second elastic element 16 being disposed within each of the opening slots, and each first elastic element 14 being located around the second elastic element 16. Since the connection relationships and detailed shapes of the connecting body 10, the plurality of ejector sliders 12, the plurality of first elastic elements 14, the plurality of second elastic elements 16, the battery module 2, the plurality of opening slots 3, and the plurality of slide rails 30 are as described in the previous battery ejection mechanism 1, they will not be repeated here.
[0037] As described above, when the battery module 2 moves from the locked position to the unlocked position, the battery module 2 can be pushed out by the battery ejection mechanism 1 and exposed outside the tube, so that the user can take out the battery module 2 from the tube.
[0038] The above description is merely a preferred embodiment of this application and is not intended to limit the scope of this application. Therefore, all equivalent variations and modifications made in accordance with the shape, structure, features and spirit described in the claims of this application should be included within the scope of the claims of this application.
Claims
1. A battery ejection mechanism for connecting a battery module, characterized in that, include: The connecting body has an opening slot on the side facing the battery module; The first elastic element is longitudinally disposed within the opening groove; as well as An ejector slider is provided at one end of the first elastic member. The ejector slider has a contact slope on one side of the end face of the battery module to support the battery module. The contact slope converts the elastic force of the first elastic member into a longitudinal upward component force and an axial outward component force.
2. The battery ejection mechanism according to claim 1, characterized in that, The battery ejection mechanism further includes: A slide rail is provided on the bottom surface of the opening groove; A sliding part is provided on the side of the ejector slider facing the slide rail and protrudes into the slide rail; The contact bevel protrudes out of the opening groove and is used to contact the pressing protrusion on the side of the battery module.
3. The battery ejection mechanism according to claim 2, characterized in that, The opening slot has a neck, and the ejector slider has a shoulder, with the shoulder abutting against the neck via the first elastic member.
4. The battery ejection mechanism according to claim 3, characterized in that, The bottom surface of the opening groove is provided with a limiting protrusion at a predetermined distance from the neck, and the limiting protrusion and the neck restrict the movement of the shoulder.
5. The battery ejection mechanism according to claim 2, characterized in that, A hole is provided between the two ends of the slide rail, and a protrusion is provided at the free end of the sliding part, the protrusion passing through the hole through the slide rail.
6. The battery ejection mechanism according to claim 1, characterized in that, The battery ejection mechanism further includes: A second elastic element is longitudinally disposed within the opening groove, and is used to push against one end of the ejector slider together with the first elastic element.
7. The battery ejection mechanism according to claim 6, characterized in that, The first elastic element and the second elastic element are helical springs, torsion springs or hydraulic rods.
8. A battery assembly, characterized in that, include: A battery module, wherein one side of the battery module is provided with a pressing protrusion; as well as A battery ejection mechanism, located in a tube on the vehicle frame, includes: The connecting body has multiple opening slots on one side for connecting the battery module, and a slide rail is provided on the bottom surface of each opening slot; A plurality of ejector sliders, each ejector slider being disposed on one of the plurality of slide rails, and each ejector slider having a contact slope protruding from the opening groove, each contact slope contacting the abutment protrusion; and A plurality of first elastic elements, each of which is disposed within one of the plurality of opening slots.
9. The battery assembly according to claim 8, characterized in that, The battery ejection mechanism further includes a plurality of second elastic elements, each of which is disposed in each of the opening slots, and each of the first elastic elements is located on the periphery of the second elastic elements.