TWI684549B - Two-wheeled vehicle frame - Google Patents

Abstract

A two-wheeled vehicle frame for an electronic bicycle including a power source and a battery is disclosed. The power source is disposed on the two-wheeled vehicle frame for driving the electronic bicycle. The two-wheeled vehicle frame includes a battery container having a containing space, a battery socket, a cover and a first bending rod. The battery socket is fixed in the containing space and coupled to the power source. The battery is inserted into the battery socket and contained in the containing space for providing electrical power. The first bending rod is pivoted to the cover and is pivoted to the battery socket or the battery container. When the first bending rod pivots to enter the containing space, the cover pivots to cover an opening of the containing space. When the first bending rod pivots to leave the containing space, the cover pivots to expose the opening.

Description

Two-wheel frame

The invention relates to a two-wheeled vehicle frame, in particular to a two-wheeled vehicle frame that uses a link mechanism to enable the battery cover to deflect as the link pivots.

Generally speaking, an electric vehicle (such as an electric bicycle) includes a motor, which is used to drive the tires of the electric vehicle to rotate, thereby driving the electric vehicle forward. In order to drive the motor, the battery needs to be additionally installed on the body of the frame of the electric vehicle, for example, on the seat tube supporting the seat cushion of the electric vehicle or on the upper or lower tube connected to the front of the vehicle. Supply the power required by the motor during operation. The common battery accommodating design is to insert the battery into the battery slot structure on the main body of the frame and cover the battery slot structure with the battery cover (for example, by means of structural locking or screw locking) to complete the battery installation operation. However, the above design often has a problem that the battery cover is not easy to open or the opened battery cover blocks the user's action of removing the battery. Therefore, how to ensure that the user can quickly and conveniently open the battery cover for subsequent battery disassembly and assembly Operation, which is one of the efforts of the industry.

One of the objects of the present invention is to provide a two-wheeled vehicle frame that uses a link mechanism so that the battery cover can deflect as the link pivots to solve the above-mentioned problems.

According to an embodiment, the two-wheeled frame of the present invention is suitable for an electric vehicle. The electric vehicle includes a power source and a battery. The power source is disposed on the two-wheeled frame to provide power to the electric vehicle. The two-wheeled frame includes a battery. The slot structure, a battery slot base, a battery cover, and a first bending link. The battery tank structure has an accommodating space. The battery slot is fixed in the accommodating space and is electrically connected to the power source. The battery is detachably inserted into the battery slot and is accommodated in the accommodating space to pass the electricity The tank base provides power to the power source. One end of the first bending link is pivotally connected to the battery cover and the other end is pivotally connected to the battery slot base or the battery slot structure. When the first bending link pivots in a direction into the accommodating space, the battery cover is deflected to a covering position with the pivoting of the first bending link to cover an opening of the accommodating space. When the first bending link pivots away from the accommodating space, the battery cover exposes the opening as the first bending link pivots to an open position.

In summary, the present invention utilizes the above-mentioned link mechanism design to enable the battery cover to deflect as the link pivots, so that the user can quickly or conveniently open or close the battery cover, thereby effectively To solve the problem that the battery cover mentioned in the prior art is not easy to open or the opened battery cover blocks the user's action of removing the battery, thereby greatly improving the convenience of the battery removal operation of the electric vehicle.

The advantages and spirit of the present invention can be further understood through the following embodiments and the accompanying drawings.

1‧‧‧Head

3‧‧‧ down tube

5‧‧‧Electric car seat cushion

7‧‧‧ Seatpost

10‧‧‧Electric car

12‧‧‧frame body

14‧‧‧Power source

16‧‧‧Electric power device

18‧‧‧Battery slot structure

19‧‧‧accommodation space

20‧‧‧ battery holder

21‧‧‧ opening

22‧‧‧Battery

24‧‧‧ battery cover

26、202‧‧‧The first bending connecting rod

28、204‧‧‧Second bending connecting rod

30‧‧‧Main cover

32‧‧‧ Cover edge

34‧‧‧The third bending link

36‧‧‧The fourth bending link

38‧‧‧Flange structure

40‧‧‧stop arc

42‧‧‧The first magnetic piece

44‧‧‧Second magnetic part

100、200‧‧‧two-wheel frame

101‧‧‧cover

102‧‧‧ First connecting rod

104‧‧‧Second Link

105‧‧‧Bending

206‧‧‧groove

208‧‧‧Bridge piece

S‧‧‧Slot sidewall

L ₁ ‧‧‧Long axis of side wall

L ₂ ‧‧‧ Long axis of profile

θ ₁ ‧‧‧ First angle

θ ₂ ‧‧‧Second included angle

P ₁ , P ₃ ‧‧‧ first end

P ₂ , P ₄ ‧‧‧ second end

f ₁ ‧‧‧ First length

f ₂ ‧‧‧ second length

S ₁ ‧‧‧ First side

S ₂ ‧‧‧Second side

FIG. 1 is a schematic perspective view of an electric vehicle according to an embodiment of the invention.

FIG. 2 is a partial exploded view of the structure of the electric power device and the battery slot of FIG. 1.

FIG. 3 is a schematic cross-sectional view of the electrical energy device and the battery tank structure of FIG. 1 along section line A-A.

FIG. 4 is a schematic cross-sectional view of the battery cover of FIG. 3 deflected to a position where the cover edge interferes with the first bending link to flex and deform.

Figure 5 is a schematic cross-sectional view of the battery cover of Figure 4 continuing to deflect to the open position.

FIG. 6 is a perspective schematic view of the battery cover of FIG. 5 deflected to an open position.

FIG. 7 is a schematic cross-sectional view of a two-wheeled vehicle frame according to another embodiment of the invention.

Figure 8 is a schematic cross-sectional view of the cover of Figure 7 deflected to an open position.

FIG. 9 is a schematic perspective view of a two-wheeled vehicle frame according to another embodiment of the invention.

FIG. 10 is a schematic cross-sectional view of the two-wheeled vehicle frame of FIG. 9 along section line B-B.

FIG. 11 is a schematic cross-sectional view of the battery cover of FIG. 10 deflected to the closed position.

Please refer to FIG. 1, which is a three-dimensional schematic diagram of an electric vehicle 10 according to an embodiment of the present invention. As shown in FIG. 1, the electric vehicle 10 (such as an electric bicycle, but not limited thereto) includes a two-wheeled frame , A power source 14 (such as a motor, but not limited to this), and an electrical energy device 16, wherein this embodiment uses a two-wheeled frame including the frame body 12 and is connected to the lower tube 3 of the head 1 and supports the electric vehicle seat cushion The design of the seat tube 7 of 5 and the electric energy device 16 can be preferably installed on the tube 3 of the frame body 12, but it is not limited to this, that is, as long as the two-wheel frame of the electric vehicle is used The design of the upper pipe-mounting structure to accommodate the electric energy device can be applied to the present invention. The power source 14 is disposed on the frame body 12 to provide power to the electric vehicle 10 to drive the wheels of the electric vehicle 10 to rotate, thereby assisting the user to ride the electric vehicle 10 forward with less effort. The frame body 12 has a battery tank structure 18, and the electric energy device 16 is disposed in the battery tank structure 18 of the frame body 12 to provide power required for the power source 14 to operate.

In more detail, please refer to FIG. 2 and FIG. 3, FIG. 2 is a partial exploded view of the power device 16 and the battery tank structure 18 of FIG. 1, and FIG. 3 is the power device 16 and the battery tank of FIG. A schematic cross-sectional view of structure 18 along section line AA. As can be seen from FIGS. 2 and 3, the battery tank structure 18 has an accommodating space 19, and the power device 16 includes a battery tank base 20, a battery 22, a battery cover 24, a first bending link 26, and a second bending link 28 . The battery socket 20 is fixed in the accommodating space 19 and electrically connected to the power source 14. The battery 22 is detachably inserted into the battery holder 20 and is accommodated in the accommodating space 19 for providing power to the power source 14 via the battery holder 20. One end of the first bending link 26 is pivotally connected to the battery cover 24 and the other end is pivotally connected to the battery holder 20 (but not limited to this, in another embodiment, it may be pivotally connected to the battery holder structure 18 Design), the second bending link 28 is bent in the same direction as the first bending link 26, one end of the second bending link 28 is pivotally connected to the battery cover 24 and the other end is pivotally connected to the battery holder 20 (but not limited to this In another embodiment, it can adopt a design pivoted to the battery slot structure 18).

In this embodiment, the battery cover 24 may have a main cover body 30 and a cover edge 32, and the cover edge 32 is formed to extend outward from the side edge of the main cover body 30, and the first bending link 26 may be preferably pivotally connected to The cover edge 32, the second curved link 28 can be preferably pivotally connected to the main cover 30, and the link length of the first curved link 26 can be preferably greater than the link length of the second curved link 28 In this way, the first bending link 26 and the second bending link 28 can form a four-link mechanism together with the battery cover 24 and the battery holder 20, so that the battery cover 24 can follow the first bending link 26 And the pivoting of the second bending link 28 deflects relative to the battery tank structure 18.

In addition, in order to make the deflection of the battery cover 24 relative to the battery tank structure 18 more stable, the electrical energy device 16 may further include a third bending link 34 and a fourth bending link 36, a third bending link 34 and The fourth bending link 36 is bent in the same direction as the first bending link 26 and the second bending link 28, wherein the first bending link 26 and the third bending link 34 are preferably a link structure with the same shape, and The second bending link 28 and the fourth bending link 36 preferably have the same link structure. In this embodiment, as shown in FIG. 2, the first bending link 26 and the second bending link 28 are located on one side of the accommodating space 19 and the third bending link 34 and the fourth bending link 36 are located The opposite side of the space 19; the upper ends of the third bending link 34 and the fourth bending link 36 can be pivotally connected to the cover edge 32 and the main cover 30, respectively, and the third bending link 34 and the fourth bending The lower end of the connecting rod 36 is pivotally connected to the battery holder 20 (but not limited to this, in another embodiment, it can be designed to be pivotally connected to the battery holder structure 18), by which the third bending link 34 and the fourth bending link 36 can also form a four-link mechanism together with the battery cover 24 and the battery holder 20, and then pivotally pivot with the first bending link 26 and the second bending link 28 to make the battery cover 24 Deflect more smoothly to the closed or open position.

In addition, please refer to FIG. 4 and FIG. 5, FIG. 4 is a schematic cross-sectional view of the battery cover 24 of FIG. 3 deflected to a position where the cover edge 32 interferes with the first bending link 26 to flex and deform, FIG. 5 It is a schematic cross-sectional view of the battery cover 24 of FIG. 4 continuing to deflect to an open position. As can be seen from FIGS. 4 and 5, the position of the first bending link 26 corresponding to the cover edge 32 can preferably protrude to form a flange structure 38. A stop arc surface 40 is preferably formed at the position where the first curved link 26 faces the second curved link 28.

The electric energy device 16 may further include at least one first magnetic member 42 (such as a magnet, two are shown in FIG. 4 but not limited thereto) and a corresponding second magnetic member 44. The first magnetic member 42 is disposed on the battery On the slot 20, the second magnetic member 44 is disposed on the battery cover 24; when the battery cover 24 is in the closed position, the second magnetic member 44 is correspondingly located above the first magnetic member 42, so that the magnetic attraction between the two The battery cover 24 is fixed at the closing position.

In this way, when the cover edge 32 abuts with the deflection of the battery cover 24 toward the open position but has not passed the flange structure 38 (as shown in FIG. 4 ), the flange structure 38 will interfere with the biasing of the cover edge 32 Curved deformation, next, when the cover edge 32 deflects with the battery cover 24 to the open position and over the flange structure 38 (as shown in FIG. 5), because the cover edge 32 does not interfere with the flange structure 38 without It is biased by the flange structure 38. Therefore, the flexed and deformed cover edge 32 can provide the restoring elastic force to the first bending link 26 to drive the first bending link 26 to accelerate pivoting to help the user to save effort Open the battery cover 24 to the open position as shown in FIG. 5, at the same time, the stop arc surface 40 can abut the second bending link 28 to stop the first bending link 26 and the second bending The pivoting of the connecting rod 28 prevents the first bending connecting rod 26 and the second bending connecting rod 28 from excessively pivoting, causing the battery cover 24 to collide with the battery slot structure 18 and causing structural damage. On the other hand, during the deflection of the battery cover 24 from the open position shown in FIG. 5 to the closed position shown in FIG. 3, the second magnetic member 44 on the battery cover 24 will accompany the battery cover 24 deflects and the first magnetic member 42 on the battery holder 20 approaches, so that the magnetic attraction between the second magnetic member 44 and the first magnetic member 42 will become stronger and stronger, which can drive the battery cover 24 to accelerate back The closing position as shown in FIG. 3 helps the user to cover the battery cover 24 more easily and effortlessly.

Through the above design, when the user wants to open the battery cover 24, the user only needs to push the battery cover 24 as shown in FIG. 3 laterally, so that the first bending link 26 and the second bending link 28 leave The direction of the accommodating space 19 (can be seen as a clockwise direction in FIG. 3) pivots (at the same time, the third bending link 34 and the fourth bending link 36 will be in conjunction with the first bending link 26 and the second bending The connecting rod 28 is pivoted in the same direction). During this process, the battery cover 24 will pivot with the first bending link 26 and the second bending link 28, such as The closing position shown in FIG. 3 is deflected to the open position shown in FIG. 5 so as to at least partially overlap the groove side wall S of the battery tank structure 18 to expose the opening 21 of the accommodating space 19 (as shown in FIG. 6) In this way, since the battery cover 24 has been deflected to the groove side wall S of the battery tank structure 18 without blocking the user's action of removing the battery 22, the user can quickly and conveniently remove the battery 22 It is detached from the battery holder 20 and removed from the battery holder structure 18 for subsequent battery replacement, maintenance, or charging operations.

On the other hand, when the user wants to close the battery cover 24, the user only needs to push back the battery cover 24 as shown in FIG. 6 so that the first bending link 26 and the second bending link 28 The direction into the accommodating space 19 (which can be regarded as the counterclockwise direction in FIG. 5) pivots (at the same time, the third bending link 34 and the fourth bending link 36 and the first bending link 26 and the second (Bending link 28 is pivoted in the same direction), during this process, the battery cover 24 will pivot with the first bending link 26 and the second bending link 28 from the open position shown in Figure 5 It deflects back to the cover position shown in FIG. 3 to cover the opening 21 of the accommodating space 19 and covers the battery tank structure 18, thereby generating a protective accommodating effect.

In addition, please refer to FIG. 7 and FIG. 8, FIG. 7 is a schematic cross-sectional view of a two-wheeled frame 100 according to another embodiment of the present invention, and FIG. 8 is the battery cover 24 of FIG. 7 deflected to open A schematic cross-sectional view of the location. The elements mentioned in this embodiment have the same number as the elements mentioned in the above embodiments, which means that they have similar structures or functions, and the related descriptions are not repeated here. The two-wheel frame 100 may be provided with a power source 14 and a battery 22 (not shown in the figure, which can be referred to the analogy in the previous figure), the power source 14 provides power, and the battery 22 provides power to the power source 14, as shown in FIGS. 7 and 8 As shown, the two-wheeled frame 100 includes a frame body 12, a cover 101, a first link 102, and a second link 104. The frame body 12 has a battery slot structure 18 and a battery slot base 20. The battery slot structure 18 has an accommodating space 19 and a slot side wall S. The slot side wall S has a side wall long axis L1 and the cover 101 has a cross section long axis L2. The battery 22 can It is accommodated in the accommodating space 19. A first end P _{1 of the} first link 102 is pivotally connected to the cover 101 and a second end P _{2 of the} first link 102 is pivotally connected to the frame body 12, and a first end P _{1 of the} first link 102 There is a first length f ₁ with the second end P _{2 of the} first link 102. A first end P _{3 of the} second link 104 is pivotally connected to the cover 101 and a second end P _{4 of the} second link 104 is pivotally connected to the frame body 12, and a first end P _{3 of the} second link 104 There is a second length f ₂ with the second end P _{4 of the} second link 104, and the first length f _{1 is} different from the second length f ₂ . Furthermore, in this embodiment, the distance between the second end P _{4 of the} second link 104 and the groove side wall S is smaller than the distance between the second end P _{2 of the} first link 102 and the groove side wall S, and the second length f _{2 is} smaller than the first length f ₁ , and the middle section of the second link 104 has a bend 105. In addition, the first end P ₁ of the first link 102 is connected to a first side S _{1 of the} cover 101, and the first end P ₃ of the second link 104 is connected to a second side S _{2 of the} cover 101.

Through the above design, when the first link 102 and the second link 104 pivot away from the groove side wall S (that is, rotate counterclockwise, the first link 102 and the second link 104 enter the accommodating space Rotation in the direction of 19), so that the cover body 101 covers the accommodating space 19 when the first link 102 and the second link 104 pivot to the closed position as shown in FIG. 7 cross-sectional major axis of the cap body 101 extending along a line L ₂ as shown in FIG closer to the horizontal direction 7, at this time a cross-sectional major axis 101 and the side wall of the lid L ₂ L ₁ included angle between the major axis of the first angle θ ₁ ; On the other hand, when the first link 102 and the second link 104 pivot toward the direction of the side wall S of the groove (that is, clockwise rotation, so that the first link 102 and the second link 104 go away from the accommodation The direction of the space 19), so that when the cover 101 is pivoted to the open position as shown in FIG. 8 with the pivoting of the first link 102 and the second link 104, at least part of the accommodating space 19 is not covered Covered by the body 101, the bend 105 of the second link 104 is located above the side wall S of the groove (as shown in FIGS. 7 and 8, the first side S ₁ and the second side when the cover 101 is in the closed position The height difference of S ₂ is smaller than the height difference between the first side S ₁ and the second side S ₂ when the lid 101 is in the open position), the cross-sectional long axis L ₂ of the lid 101 is compared as shown in FIG. 8 It extends close to the vertical direction. At this time, the angle between the cross-sectional long axis L _{2 of the} cover 101 and the side wall long axis L ₁ is the second angle θ _{2. The} second angle θ ₂ is smaller than the first angle θ ₁ to ensure that the cover 101 does not It will block the user's action of taking out the battery 22, and in the direction perpendicular to the long axis L1 of the side wall, the projection size of the cover 101 outside the frame body 12 is reduced, reducing the chance of foreign objects accidentally colliding with the cover 101 Therefore, the user can quickly and conveniently remove the battery 22 from the battery holder 20 and remove it from the battery holder structure 18 for subsequent battery replacement, maintenance, or charging operations.

It should be noted that the above-mentioned battery accommodating design is an omitting configuration to simplify the structural design of the present invention. For example, in another embodiment, the present invention can be applied to a two-wheeled vehicle frame with an accommodating function. In short, the present invention can provide a two-wheeled frame, which can include a frame body, a cover, a first link, and a second link. The frame body has an accommodating space and a groove side wall, and the groove side wall has a side wall long axis. The cover body has a long axis of section, the first end of the first link is pivotally connected to the cover body and the second end of the first link is pivotally connected to the frame body, the first end of the first link and the first link There is a first length between the second ends, the first end of the second link is pivotally connected to the cover and the second end of the second link is pivotally connected to the frame body, and the first end of the second link is connected to the second There is a second length between the second ends of the rod, and the first length is different from the second length. Through the above design, when the first link and the second link pivot away from the side wall of the groove (that is, the first link and the second link rotate in the direction of entering the accommodating space), the lid body follows the When the pivot of one connecting rod and the second connecting rod is deflected to the closed position, the cover body covers the accommodating space. At this time, the angle between the long axis of the profile of the cover and the long axis of the side wall of the groove is the first angle; , When the first link and the second link pivot toward the side wall of the groove (that is, the first link and the second link rotate away from the accommodating space), so that the cover body follows the first link When the pivot of the second link is deflected to the open position, at least part of the accommodating space is not covered by the cover. The second link is located above the side wall of the groove. The angle between the long axis of the section of the cover and the long axis of the side wall is The second included angle is smaller than the first included angle, to ensure that the cover does not block the user's use of the accommodating space (such as picking and placing items), and to reduce the protruding size of the cover on the frame body In order to reduce the chance of foreign objects accidentally colliding and damaging the cover body, as for the detailed description of this embodiment, it can refer to the above embodiment by analogy, which will not be repeated here.

In summary, the present invention utilizes the design of the four-link mechanism formed by the above-mentioned connecting rods, so that the battery cover can be deflected as the connecting rod pivots, so that the user can quickly or conveniently open or Close the battery cover to effectively solve the problem that the battery cover mentioned in the prior art is not easy to open or the opened battery cover blocks the user's action of removing the battery, thereby greatly improving the battery disassembly and assembly operations of the electric vehicle Convenience. In addition, the invention can also be applied to a two-wheeled frame to allow use The user can conveniently open or close the cover on the two-wheeled vehicle frame to use the accommodating space, thereby enhancing the functionality of the two-wheeled vehicle frame and the convenience in the operation of the cover.

In addition, the configuration of the connecting rod may not be limited to the above embodiments. For example, please refer to FIG. 9, FIG. 10, and FIG. 11, FIG. 9 is a two-wheeled frame 200 according to another embodiment of the present invention. Three-dimensional schematic diagram, FIG. 10 is a schematic cross-sectional view of the two-wheeled frame 200 of FIG. 9 along section line BB, and FIG. 11 is a schematic cross-sectional view of the battery cover 24 of FIG. 10 deflected to the closed position, as mentioned in this embodiment The element with the same number as the element mentioned in the above embodiment means that it has a similar structure or function, and the related description is not repeated here. The two-wheeled frame 200 is suitable for the electric vehicle 10, and the two-wheeled frame 200 can be provided with a power source 14 and a battery 22 (not shown in the figure, which can be referred to the previous diagram by analogy), the power source 14 provides power, and the battery 22 provides power to the power source 14, The two-wheeled frame 200 includes a battery tank structure 18, a battery tank base 20, a battery cover 24, a first bending link 202, and a second bending link 204. One end of the first bending link 202 is pivotally connected to the battery cover 24 and the other end It is pivotally connected to the battery holder 20 (but not limited to this, in another embodiment, it can be designed to be pivotally connected to the battery holder structure 18), the second bending link 204 is connected to the first bending link 202 Bending in the same direction, the first bending link 202 is located on one side of the accommodation space 19, and the second bending link 204 is located on the other side of the accommodation space 19 and pivotally connected to the battery cover 24 and the battery holder 20 (but not This limitation, in another embodiment, it can adopt a design pivoted to the battery slot structure 18), whereby the first bending link 202 and the second bending link 204 can be connected with the battery cover 24 and the battery slot The seat 20 together forms a link linkage mechanism, so that the battery cover 24 can be deflected relative to the battery tank structure 18 as the first bending link 202 and the second bending link 204 pivot. It should be noted that the above-mentioned second bending link 204 is an element that can be omitted, that is to say, in another embodiment, the two-wheeled frame 200 may only use a single bending link (ie, the first bending link 202) to pivot The design of the battery cover 24 and the battery holder 20 (or the battery holder structure 18) is used to further simplify the structural design of the two-wheeled frame 200. The relevant description can be referred to the following description and so on, and will not be repeated here.

With the above design, when the user wants to open the battery cover 24, the user only needs to push the battery cover 24 as shown in FIG. 11 sideways, so that the first bending link 202 moves away from the accommodating space 19 ( in (It can be seen as clockwise in Figure 11) Pivot (at the same time, the second bending link 204 will pivot in the same direction as the first bending link 202), during this process, the battery cover 24 will follow The pivoting of the first bending link 202 and the second bending link 204 is deflected from the closed position as shown in FIG. 11 to the open position as shown in FIG. 10 to meet the slot side wall S of the battery slot structure 18 At least partially overlap to expose the opening 21 of the accommodating space 19 (as shown in FIG. 10), so that the battery cover 24 has been deflected to the slot side wall S of the battery slot structure 18 and will not block the user from The action of removing the battery, therefore, the user can quickly and conveniently remove the battery from the battery holder 20 and remove it from the battery holder structure 18 for subsequent battery replacement, maintenance, or charging operations.

On the other hand, when the user wants to close the battery cover 24, the user only needs to push back the battery cover 24 as shown in FIG. 10, so that the first bending link 202 is directed into the accommodating space 19 (Can be seen as the counterclockwise direction in Figure 10) pivot (at the same time, the second bending link 204 will pivot in the same direction as the first bending link 202), in the process, the battery cover 24 will As the first bending link 202 and the second bending link 204 pivot, they are deflected from the open position shown in FIG. 10 back to the closed position shown in FIG. 11 to cover the accommodating space 19 The opening 21 is covered on the battery slot structure 18, thereby generating a protective accommodation effect. As for other designs (such as magnetic attraction design, flange interference design, etc.) for the two-wheeled frame 200 of this embodiment, the relevant description can refer to the above embodiment by analogy, and will not be repeated here.

In practical applications, it can be seen from FIGS. 9 to 11 that the battery slot structure 18 is preferably recessed inwardly toward the accommodating space 19 at the position corresponding to the opening 21 and close to the first curved link 202, and at least one recess is formed Groove 206 (two are shown in Figure 9, but not limited to this), to help the user to open the battery cover 24 more conveniently through the concave design of the groove 206 to facilitate subsequent lateral push Operation of the battery cover 24. In addition, as shown in FIG. 9, the two-wheeled frame 200 may further include a bridge piece 208 which is disposed on the battery cover 24 and connected to the first curved link 202 and the second curved link 204 respectively, thereby Ensure that the first bending link 202 and the second bending link 204 can simultaneously pivot, thereby improving the structural linkage between the battery cover 24 and the first bending link 202 and the second bending link 204, so that the battery cover 24 can More smoothly Deflect to open position or closed position.

The above are only the preferred embodiments of the present invention, and all changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the present invention.

18‧‧‧Battery slot structure

19‧‧‧accommodation space

20‧‧‧ battery holder

21‧‧‧ opening

24‧‧‧ battery cover

200‧‧‧two-wheel frame

202‧‧‧First bending connecting rod

204‧‧‧Second bending link

206‧‧‧groove

208‧‧‧Bridge piece

Claims (9)

A two-wheeled frame is suitable for an electric vehicle. The electric vehicle includes a power source and a battery. The power source is disposed on the two-wheeled frame to provide power to the electric vehicle. The two-wheeled frame includes: a battery slot structure, which It has an accommodating space; a battery slot, which is fixed in the accommodating space and electrically connected to the power source, and the battery is detachably inserted into the battery slot and is accommodated in the accommodating space to pass through The battery socket provides electric power to the power source; a battery cover having a main cover body and a cover edge, the cover edge extending from a side edge of the main cover body formed relatively outward; a first bending link , One end is pivotally connected to the cover edge and the other end is pivotally connected to the battery slot base or the battery slot structure; and a second bending link, which is bent in the same direction as the first bending link, and the second bending link One end of the lever is pivotally connected to the main cover body and the other end thereof is pivotally connected to the battery slot base or the battery slot structure; wherein when the first bending link pivots in a direction into the accommodating space, the battery cover follows The pivot of the first bending link is deflected to a covering position to cover an opening of the accommodating space; when the first bending link is pivoted away from the accommodating space, the battery cover follows The pivot of the first bending link is deflected to an open position to expose the opening. The two-wheeled vehicle frame according to claim 1, wherein when the battery cover is deflected to the open position, the battery cover at least partially overlaps a groove side wall of the battery groove structure. The two-wheeled vehicle frame according to claim 1, wherein a flange structure protrudes from a position of the first curved link corresponding to the cover edge, when the cover edge is deflected along with the deflection of the battery cover toward the open position When the flange structure is received but has not been crossed, the flange structure interferes with the deflection deformation of the cover edge, and when the cover edge crosses the flange structure with the deflection of the battery cover toward the open position, the flange structure There is no interference with the cover edge, so that the deflection-deformed cover edge provides a restoring elastic force to drive the first bending link to accelerate and pivot. The two-wheeled vehicle frame according to claim 1, wherein a length of a link of the first curved link is greater than a length of a link of the second curved link. The two-wheeled vehicle frame according to claim 1, wherein a stop arc surface is formed at a position where the first curved link faces the second curved link, and the stop arc surface resists when the battery cover is deflected to the open position The second bending link is connected to stop the pivoting of the first bending link and the second bending link. The two-wheeled frame according to claim 1, wherein the two-wheeled frame further includes a third bending link and a fourth bending link, the third bending link, the fourth bending link and the first bending link In the same direction, the first bending link and the second bending link are located on one side of the accommodating space and are respectively pivotally connected to the battery cover. The third bending link and the fourth bending link are located in the container On the other side of the space, the third bending link and the fourth bending link are respectively pivotally connected to the battery cover and the battery slot, respectively, the third bending link and the fourth bending link The first bending link and the second bending link are pivotally pivoted to deflect the battery cover to the closed position or the open position. The two-wheel frame according to claim 6, wherein the first bending link and the third bending link are substantially the same link structure, and the second bending link and the fourth bending link are substantially the same Connecting rod structure. The two-wheeled vehicle frame according to claim 1, wherein the two-wheeled vehicle frame further includes at least one first magnetic member and at least one second magnetic member, the at least one first magnetic member is disposed on the battery socket, and the at least one second The magnetic member is disposed at a position of the battery cover corresponding to at least one first magnetic member. When the first bending link pivots in a direction into the accommodating space to deflect the battery cover correspondingly, the second magnetic member The magnetic attraction force between the member and the first magnetic member drives the battery cover to accelerate back to the closed position. The two-wheeled vehicle frame according to claim 1, wherein the battery slot structure is recessed inwardly toward the accommodating space at a position corresponding to the opening and close to the first bending link to form a groove.

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