Battery self-adaptive connecting mechanism and electric bicycle thereof

Abstract

The utility model belongs to the field of battery installation, and discloses a battery self-adaptive connecting mechanism and an electric bicycle thereof, the battery self-adaptive connecting mechanism comprises a first connecting part and a second connecting part, one is arranged on a battery, the other is arranged on a frame base, the first connecting part comprises a first shell and a first joint arranged on the first shell, and the second connecting part comprises a second shell and a second joint arranged on the second shell. The second connecting part comprises a second shell, a second connector and an elastic piece, the second connector and the elastic piece are arranged on the second shell, the second connector is in telescopic elastic fit with the second shell through the elastic piece, and the first connecting part and the second connecting part have a separation state and an insertion state. Through the elastic design of the second joint, the side disassembly and assembly of the battery are realized, the abrasion of the joints is reduced, the operation is convenient, and the front disassembly and assembly requirements of the battery are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery installation field, concretely is a kind of battery self-adapting connecting mechanism and electric bicycle thereof. BACKGROUND

[0002] Electric bicycle (also known as electric power-assisted bicycle, E-bike, etc.) needs to use battery to provide power, battery is generally used discharge output interface and bicycle base circuit connector connection, to realize power supply. Battery is often detachable structure, to facilitate charging and replacing. When installing, since many of the present electric bicycles are embedded in the electric bicycle frame, generally using side-mounted way to dismount battery, battery connector and bicycle connector docking, need to be inserted from side first, then the remaining part of battery is rotated into the battery mounting slot of bicycle. The mounting slot of the existing electric bicycle is generally provided with fixed connector, since the connector itself has certain contact surface, there is certain requirement for length, too short cannot meet the power demand, and it is not conducive to the stability of power supply in process, therefore, the connector with certain length will often interfere when battery is inserted from side, certain wear is generated to connector, at the same time, it brings inconvenience to user to install and dismount battery. SUMMARY

[0003] The utility model aims at providing a kind of battery self-adapting connecting mechanism and electric bicycle, to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of battery self-adapting connecting mechanism, including first connecting component and second connecting component, one is set on battery, the other is set on the frame base, the first connecting component includes first shell and the first connector of first shell, the second connecting component includes second shell and the second connector and elastic member of second shell, the second connector is realized telescopic elastic cooperation with second shell by elastic member, one of the first connector and the second connector is male, the other is female matched with male, the first connecting component and second connecting component have separation state and insertion state.

[0006] Further, the first connecting component is set on battery, and the second connecting component is set on the frame base.

[0007] Further, the second connector includes connector part and support part, the support part is located inside second shell, and the connector part is completely stretched out from second shell.

[0008] Further, the first connecting component further comprises a first positioning part arranged on the first shell, and the second connecting component further comprises a second positioning part arranged on the second shell.

[0009] When the first connecting component and the second connecting component are in the inserted state, the first positioning part and the second positioning part are buckled by the concave-convex structure.

[0010] Further, one of the first positioning part and the second positioning part comprises an upper positioning hole arranged on the end surface side of the corresponding shell, and the other comprises an upper positioning column buckled with the upper positioning hole, the upper positioning column being arranged on the end surface side of the corresponding shell, and the upper positioning hole and the upper positioning column being capable of relative rotation when buckled.

[0011] Further, the upper positioning column is arranged in a slope structure towards the joint side of the shell where it is arranged.

[0012] Further, one of the first positioning part and the second positioning part comprises a side positioning hole, and the other comprises a side positioning column inserted with the side positioning hole.

[0013] Further, the side positioning column is arranged with a circular arc surface structure on the outer side.

[0014] Further, the second shell is arranged with a concave cavity, the second joint is inserted and arranged in the concave cavity of the second shell, and the elastic member is arranged in the concave cavity and connected between the second shell and the second joint.

[0015] Further, the second shell comprises a positioning plate and a rear support plate arranged on one side of the positioning plate, and the concave cavity is formed by the inner walls of the positioning plate and the rear support plate.

[0016] Further, when the first connecting component and the second connecting component are in the separated state, the outer end of the bracket part and the opening of the concave cavity are matched by the taper surface structure to realize the central positioning of the second joint, and when the first connecting component and the second connecting component are in the inserted state, the outer end of the bracket part and the opening of the concave cavity are separated.

[0017] Further, the opening of the concave cavity is arranged as a taper hole, and the outer end of the bracket part is arranged with a bracket taper surface matched with the taper hole, and the shape and size of the taper hole and the bracket taper surface are matched.

[0018] Further, when the first connecting component and the second connecting component are in the inserted state, the end surface of the first shell is in contact with the end surface of the second shell.

[0019] Further, the first connecting component or the second connecting component is installed in the inside of the battery installation groove by the cooperation of the external bracket.

[0020] The utility model also provides an electric bicycle, the electric bicycle installs the battery through the battery self -adaptation connecting mechanism as above.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] 1) through the elastic design of second joint, let the battery be more smooth in the dismounting of frame side, reduce the wear and tear to joint, and convenient operation, satisfy the demand of battery front dismounting simultaneously;

[0023] 2) because the elasticity of elastic part, even if meet the situation that the battery can produce shaking such as jolt in use, can make the connecting mechanism keep close connection, thereby can reduce the wear and tear between connecting mechanism, can keep the stability of whole process power supply, do not cause power failure because of temporary loosening, keep the safety and experience of riding;

[0024] 3) because the elastic connection of elastic mechanism, have certain self -adaptation effect, have better fault tolerance rate to the precision required for part processing, under the premise of guaranteeing use safety, improving user experience, can reduce processing cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the use state structure schematic drawing of the utility model.

[0026] Figure 2 It is one of use state exploded structure schematic drawing of the utility model.

[0027] Figure 3 It is the second use state exploded structure schematic drawing of the utility model.

[0028] Figure 4 It is the battery and first connecting component connecting structure schematic drawing in the utility model, and the battery only shows part structure in the drawing.

[0029] Figure 5 It is one of second connecting component exploded structure schematic drawing in the utility model.

[0030] Figure 6 It is the second connecting component exploded structure schematic drawing no.

[0031] Figure 7 It is the second connecting component cross section structure schematic drawing when the utility model is in the separation state.

[0032] Figure 8 It is the second connecting component cross section structure schematic drawing when the utility model is in the insertion state.

[0033] Figure 9 It is the positioning plate structure schematic drawing in the utility model.

[0034] In the figure: first connecting component 1, first shell 100, first joint 101, upper positioning hole 102, side positioning hole 103, second connecting component 2, positioning plate 200, second joint 201, joint part 2010, support part 2011, support cone surface 2012, upper positioning column 202, slope structure 2020, side positioning column 203, circular arc surface structure 2030, elastic member 204, rear support plate 205, concave cavity 206, second shell 207, conical hole 2000, battery 3, external support 4. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] Please refer to Figures 1-9 A battery self-adapting connecting mechanism comprises a first connecting component 1 and a second connecting component 2. The first connecting component 1 is installed on one end of a battery 3 through fasteners, and the second connecting component 2 is installed on a vehicle frame base. The first connecting component 1 comprises a first shell 100 and a first joint 101 arranged on the first shell 100. The first joint 101 is a female joint. The second connecting component 2 comprises a second shell 207, a second joint 201 and an elastic member 204 arranged on the second shell 207. The second joint 201 is a male joint, which is matched in shape and size with the first joint 101. The second joint 201 is elastically matched with the second shell 207 through the elastic member 204. The first connecting component 1 and the second connecting component 2 have a separated state and a combined state. When the first connecting component 1 and the second connecting component 2 are in the separated state, the second joint 201 moves outward to the maximum distance relative to the second shell 207 under the elastic force of the elastic member 204. With the combined state as the reference, "outward" here means toward the side of the first connecting component 1. When the first connecting component 1 and the second connecting component 2 are in the combined state, the end face of the first shell 100 is attached to the end face of the second shell 207. The first joint 101 is inserted and matched with the second joint 201. The first joint 101 extrudes the second joint 201 in the direction against the elastic force of the elastic member 204, so that the second joint 201 moves inward a distance relative to the second shell 207. Here, "outward" means away from the side of the first connecting component 1.

[0037] It should be noted that the second joint 201 includes a joint part 2010 and a bracket part 2011, for the joint part 2010 of the second joint 201, whether in a separated state or in a combined state, the joint part 2010 is completely extended from the second shell 207. For the bracket part 2011, in the separated state, the outer end part is extended from the second shell 207, and in the combined state, the bracket part 2011 is retracted by a certain distance, so that the outer end is flush with the end face of the second shell 207. In other embodiments, the bracket part 2011 of the second joint 201 can also be arranged such that in the separated state or in the combined state, a part of the outer end is extended from the second shell 207, and in the separated state, the bracket part 2011 is extended by a greater length.

[0038] In which, the second connecting part 2 is installed in the battery 3 installation groove through the external bracket 4, and the other end of the battery 3 is fixed in the battery installation groove of the frame through the battery lock.

[0039] In another embodiment of the utility model, the first joint 101 can be a male head, and the corresponding second joint 201 adopts a female head.

[0040] In another embodiment of the utility model, the second connecting part 2 can not contain elastic members, and the first connecting part 1 contains elastic members, so that the elastic expansion and contraction of the first joint 101 are realized.

[0041] In another embodiment of the utility model, the first connecting part 1 can be connected with the frame base, and the second connecting part 2 can be connected with the battery 3.

[0042] In other embodiments of the utility model, when the first connecting part 1 and the second connecting part 2 are in a separated state, the bracket part 2011 is completely built-in in the second shell 207, and the outer end is lower than the second shell 207 or flush with the plane of the second shell 207.

[0043] Continuing to refer to Figure 4 and Figure 5 In an embodiment of the utility model, the first connecting part 1 further includes a first positioning part arranged on the first shell 100, and the second connecting part 2 further includes a second positioning part arranged on the second shell 207. When the first connecting part 1 and the second connecting part 2 are in a combined state, the first positioning part and the second positioning part are buckled through concave-convex structures.

[0044] Further referring to Figures 4-9In an embodiment of the utility model, first positioning part includes one upper positioning hole 102 and two side positioning holes 103, upper positioning hole 102 and side positioning hole 103 are all arranged on the end face of first shell 100, two side positioning holes 103 are respectively located on the left and right sides of the upper end of first joint 101, and upper positioning hole 102 is located on the upper end of two side positioning holes 103, second positioning part includes one upper positioning column 202 and two side positioning columns 203, upper positioning column 202 and side positioning column 203 are all arranged on the end face of second shell 207, the position, shape and size of upper positioning column 202 are matched with upper positioning hole 102, and it is matched with upper positioning hole 102, upper positioning hole 102 can be relatively rotated when being matched with upper positioning column 202, the position, shape and size of two side positioning columns 203 are matched with two side positioning holes 103, and side positioning column 203 is matched with side positioning hole 103. Here, "upper" and "lower" are only used to describe the positional relationship of components in the drawings, and are not limited to the upper and lower positions of the bicycle, and are not limited to the installation orientation of the battery in the bicycle.

[0045] Further referring to Figure 9 In an embodiment of the utility model, the lower side (not limited to the lower side of the electric bicycle) of upper positioning column 202, that is, the side of upper positioning column 202 facing second joint 201, is provided as a slope structure 2020. The outer side of side positioning column 203 is provided with a circular arc surface structure 2030, so that side positioning column 203 is in a shape similar to a semi-elliptical shape, facilitating the connection and removal of battery 3 from the side of the bicycle. Here, "outer side" refers to the side of side positioning column 203 facing first connecting component 1.

[0046] It should be noted that the position, number, shape, etc. of upper positioning hole 102 and side positioning hole 103 of first positioning part can be adjusted according to specific requirements. The position, number, shape, etc. of upper positioning column 202 and side positioning column 203 of second positioning part can also be adjusted according to specific requirements.

[0047] In another embodiment of the utility model, first positioning part can also adopt a positioning column structure, and second positioning part can adopt a positioning hole structure.

[0048] Further referring to Figures 5-8 In an embodiment of the utility model, concave cavity 206 is arranged on second shell 207, second joint 201 is telescopically inserted into concave cavity 206 of second shell 207, elastic member 204 is located in concave cavity 206 and connected between second shell 207 and second joint 201.

[0049] Further referring to Figures 5-8In an embodiment of the utility model, the second shell 207 includes a positioning plate 200 and a rear support plate 205 arranged on the side of the positioning plate 200 away from the first connecting component 1 by a fastener, and a concave cavity 206 is formed between the inner walls of the positioning plate 200 and the rear support plate 205. When the first connecting component 1 and the second connecting component 2 are in a separated state, the outer end of the joint part 2011 cooperates with the opening of the concave cavity 206 through a conical surface structure, thereby achieving the central positioning of the second joint 201. When the first connecting component 1 and the second connecting component 2 are in a combined state, the outer end of the joint part 2011 is separated from the opening of the concave cavity 206. The opening of the concave cavity 206 is arranged on the end face of the positioning plate 200.

[0050] Further referring to Figure 7 and Figure 8 In an embodiment of the utility model, the opening of the concave cavity 206 is arranged as a conical hole 2000, the outer end of the joint part 2011 is arranged with a support conical surface 2012 matched with the conical hole 2000, the shape and size of the conical hole 2000 and the support conical surface 2012 are matched, and the conical hole 2000 and the support conical surface 2012 are preferably conical.

[0051] Further referring to Figures 5-8 In an embodiment of the utility model, the elastic member 204 can be any elastic component that can meet the elastic function, such as a spring, a tension spring, a V-shaped elastic sheet, a rubber pad, a gasket, etc. The elastic member 204 is preferably a spiral spring. The spiral spring is connected between the second shell 207 and the second joint 201. The second shell 207 and the second joint 201 are each provided with an elastic mounting structure for mounting the spiral spring. The elastic mounting structure specifically adopts a convex column structure.

[0052] As shown in Figure 7 When the first connecting component 1 and the second connecting component 2 are not connected, the spring can be fully expanded. At this time, the spring pushes the support of the second joint 201 out to the outside of the conical hole 2000 of the positioning plate 200. At this time, due to the existence of the conical surface, the second joint 201 cannot move up, down, left or right, thereby facilitating the user to insert the first joint 101 into the second joint 201 when installing the battery 3. Due to the spring, when initially rotating for installation, the first joint 101 and the second joint 201 have a certain angle difference, instead of being directly opposite. At this time, the second joint 201 can be squeezed inward (toward the rear support plate 205). After the battery 3 is installed, due to the elastic force of the spring, the second joint 201 can be maintained in the state of being pushed out, thereby ensuring that the installation and connection are in place. At this time, the second joint 201 as a whole is in the state of being pushed out. Figure 8position. In this process, since the bracket of the second connector 201 has already been detached from the state of fitting the conical hole 2000, a small range of up and down displacement can be performed. When the frame processing is not accurate, or the tolerance is large, and the base installation is not accurate, this part of displacement can be used to repair the matching gap or interference between the two, to realize the close matching of the male and female ends. Similarly, after the battery 3 is disassembled, the second connecting component will return to Figure 7 the position.

[0053] In particular, since the second connector 201 is provided with a bracket conical surface 2012, and the positioning plate 2000 is provided with a conical hole 2000, the existence of the conical surface can be limited to the middle, ensuring that the initial position of the second connector 201 is centered, and avoiding the misalignment of the first connector.

[0054] The use method of the battery self-adapting connecting mechanism of the utility model is as follows: taking the above structure as an example, during installation, first, the upper positioning hole 102 of the first connecting component 1 is obliquely butted to the upper positioning column 202 of the second connecting component 2, then rotated inward along the installation track to the position, and the side positioning hole 103 and the side positioning column 203 are in abutment. In this process, the first connector 101 will be inserted into the second connector 201, and the second connector 201 will be pushed inward. In the process, since the spring is always pushing back, it can ensure smooth and tight insertion, and finally the bracket of the second connector 201 and the end surface of the positioning plate 200 are in the same plane (if the battery 3 has other structure settings, it can also not be in the same plane, and in this embodiment, it is set according to the same plane).

[0055] In addition to the above-mentioned convenient battery side insertion and fixation, the battery self-adapting connecting mechanism of the utility model can also assist in fixing the battery front insertion.

[0056] At the same time, in use, due to the influence of road conditions, assembly tolerance, etc., the battery 3 socket may be loose, the structure of the utility model can have a certain degree of elasticity, ensuring the stability of the battery 3 connection, avoiding friction on the connecting part and other actions that may cause damage.

[0057] Specifically, when the electric bicycle battery is a detachable battery, the current conventional scheme is that the connection between the battery and the frame needs to be controlled by strict and precise machining tolerance to ensure normal contact, but this will bring process difficulties and significantly increase costs, requiring the use of many precision machining methods to process the frame, and the existence of tolerance will cause gaps in the assembly of the battery and the frame. When the vehicle is riding, the gap will bring battery vibration, resulting in poor connector contact (sudden power failure during riding may cause stall risk), so as to avoid wear and tear and maintain power supply.

[0058] If the rigid connection structure is adopted, the tab of the joint may be bent and the like if accidental displacement occurs in use, the flexible adaptation mechanism of the utility model can greatly reduce the probability of such accidents, or even if slight deformation and bending occur, the elastic member can be used to realize the connection.

[0059] Meanwhile, the above design can also make the precision range larger during production and processing, and can guarantee flexible adaptation within a certain range, reducing the difficulty of production and processing.

[0060] The utility model also provides a kind of electric bicycle, which installs battery 3 by the battery self-adapting connection mechanism as described above.

[0061] Similarly, for other similar vehicles, such as electric motorcycles, scooters and the like, the present scheme can also be adapted for use.

[0062] It should be understood that the structures, proportions, sizes and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions that can be implemented by the utility model, so they do not have substantial technical significance, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. Meanwhile, the terms such as "up", "down", "left", "right", "middle" and the like cited in the present specification are only for the convenience of clear description, and are not used to limit the scope of implementation of the utility model, the change or adjustment of relative relationship, without substantial change of technical content, is also regarded as the scope of implementation of the utility model.

[0063] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is limited by the appended claims and their equivalents.

Claims

1. A battery self-adapting connection mechanism, characterized in that, The utility model provides a battery connecting device, which comprises a first connecting part (1) and a second connecting part (2), one of which is arranged on a battery (3) and the other of which is arranged on a frame base, the first connecting part (1) comprises a first shell (100) and a first connector (101) arranged on the first shell (100), the second connecting part (2) comprises a second shell (207), a second connector (201) arranged on the second shell (207) and an elastic piece (204), the second connector (201) is elastically connected with the second shell (207) through the elastic piece (204), one of the first connector (101) and the second connector (201) is a male head, and the other is a female head matched with the male head, and the first connecting part (1) and the second connecting part (2) have a separated state and a combined state.

2. The battery self-adapting connection mechanism of claim 1, wherein, The first connecting part (1) is arranged on the battery (3), and the second connecting part (2) is arranged on the frame base.

3. The battery self-adapting connection mechanism of claim 1, wherein, The second connector (201) comprises a connector part (2010) and a support part (2011), the support part (2011) is located inside the second shell (207), and the connector part (2010) completely extends out of the second shell (207).

4. The battery self-adapting connection mechanism of claim 1, wherein, The first connecting part (1) further comprises a first positioning part arranged on the first shell (100), and the second connecting part (2) further comprises a second positioning part arranged on the second shell (207). When the first connecting part (1) and the second connecting part (2) are in the combined state, the first positioning part and the second positioning part are buckled through concave-convex structures.

5. A battery self-adapting connection mechanism according to claim 4, characterized in that, One of the first positioning part and the second positioning part comprises an upper positioning hole (102) located on the end face side of the corresponding shell, and the other comprises an upper positioning column (202) buckled with the upper positioning hole (102), the upper positioning column (202) is located on the end face side of the corresponding shell, and the upper positioning hole (102) and the upper positioning column (202) can rotate relative to each other when buckled.

6. A battery self-adapting connection mechanism according to claim 5, wherein, The upper positioning column (202) is arranged in a slope structure (2020) towards the connector side of the shell.

7. The battery self-adapting connection mechanism of claim 4, wherein, One of the first positioning part and the second positioning part comprises a side positioning hole (103), and the other comprises a side positioning column (203) combined with the side positioning hole (103).

8. A battery self-adapting connection mechanism according to claim 7, characterized in that, An arc surface structure (2030) is arranged on the outer side of the side positioning column (203).

9. The battery self-adapting connection mechanism of claim 3, wherein, The second shell (207) is provided with a concave cavity (206), the second connector (201) is telescopically combined in the concave cavity (206) of the second shell (207), and the elastic piece (204) is located in the concave cavity (206) and connected between the second shell (207) and the second connector (201).

10. The battery self-adapting connection mechanism of claim 9, wherein, The second shell (207) comprises a positioning plate (200) and a rear support plate (205) arranged on one side of the positioning plate (200), and the concave cavity (206) is formed by the inner walls of the positioning plate (200) and the rear support plate (205).

11. A battery self-adapting connection mechanism according to claim 10, wherein, When the first connecting component (1) and the second connecting component (2) are in a separated state, the outer end of the bracket part (2011) cooperates with the opening of the concave cavity (206) through a taper surface structure, thereby realizing the central positioning of the second joint (201), and when the first connecting component (1) and the second connecting component (2) are in a combined state, the outer end of the bracket part (2011) is separated from the opening of the concave cavity (206).

12. A battery self-adapting connection mechanism according to claim 11, wherein, The opening of the concave cavity (206) is provided as a taper hole (2000), and the outer end of the bracket part (2011) is provided with a bracket taper surface (2012) matched with the taper hole (2000), and the taper hole (2000) and the bracket taper surface (2012) are matched in shape and size.

13. The battery self-adapting connection mechanism of claim 1, wherein, When the first connecting component (1) and the second connecting component (2) are in a combined state, the end surface of the first shell (100) is in contact with the end surface of the second shell (207).

14. The battery self-adapting connection mechanism of claim 1, wherein, The first connecting component (1) or the second connecting component (2) is cooperatively installed in the inside of the battery (3) installation slot through an external bracket (4).

15. An electrically powered bicycle, characterized in that The electric bicycle is installed with the battery (3) through the battery self-adapting connecting mechanism as claimed in any one of claims 1-14.

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