TWI606953B - Frame adapted to a pedelec - Google Patents

Description

Suitable for electric bicycle frame

The invention relates to a bicycle frame, in particular to a frame suitable for an electric bicycle.

Recently, electric pedelec is equipped with a battery module for providing additional electric power for the user to ride to help the user overcome different road conditions. Generally speaking, the battery module of the electric bicycle is fixed behind the seat cushion, which cannot be removed by the electric bicycle, and the storage is inconvenient, and the structural design of fixing the battery module behind the seat cushion affects the appearance of the electric bicycle. The appearance of the electric bicycle lacks integrity.

The invention provides a frame which is convenient to store and has an overall appearance to solve the above problems.

In order to achieve the above object, the present invention discloses a frame suitable for an electric bicycle, which includes a rear wheel and a pad, the frame includes a main frame body, a controller, and a first electrical connector. a battery module and a second electrical connector. The main frame body is substantially a Y-shaped structure and has an accommodating space formed therein. The main frame body includes a first rod body and a second rod body, and the first rod body is coupled to the seat cushion. The second rod body is coupled to the rear wheel, and the first rod body and the second rod body are joined to a joint, wherein a joint space is defined between the first rod body and the second rod body, the joint portion An opening is formed to connect the accommodating space and the installation space. The controller is disposed in the accommodating space, and the first electrical connector is disposed in the opening and coupled to the controller, and the battery module is detachably received in the installation space. The second electrical connector is disposed on the electric The first electrical connector is disposed on the pool module, and the second electrical connector is coupled to the first electrical connector when the battery module is installed in the installation space, so that the battery module is electrically connected For the controller.

According to one embodiment of the present invention, the present invention further provides a frame suitable for an electric bicycle, the frame includes a main frame body, a first electrical connector, a battery module, and a second electrical connector. a first bonding member and a second bonding member. The main frame body is substantially a Y-shaped structure, the main frame body has a first rod body and a second rod body, wherein the first rod body extends above the second rod body, the first rod body A mounting space is defined between the lower surface and the upper surface of the second rod, the first rod having a front end of the rod and a rear end of the rod. The first electrical connector is disposed on the main frame, the battery module is detachably received in the installation space, and the second electrical connector is disposed on the battery module and corresponds to the first electrical connector. The second electrical connector is coupled to the first electrical connector when the battery module is received in the installation space. The first bonding component is disposed on the lower surface of the first body, the second bonding component is disposed on the battery module and corresponds to the first bonding component, and the second bonding component is used for bonding to the first bonding component. The battery module is moved relative to the first rod along a forward and backward movement path. When the battery module moves from the rear end of the first rod body toward the front end of the first rod body, the battery module can be stored in the installation space; when the battery module is facing from the front end of the first rod body When the rear end of the rod body moves, the battery module can be detached from the installation space.

In summary, the present invention uses the installation space formed between the first rod body and the second rod body of the main frame body to install the battery module, and the controller is disposed in the accommodating space of the main frame body, so when the battery When the module is mounted on the main frame body, the battery module is located between the first rod body and the second rod body without affecting the appearance of the electric bicycle. In addition, the present invention further utilizes the first bonding component and the second bonding component to detachably mount the battery module to the main frame body, so that when the battery module is not in use, the battery module can be removed from the electric bicycle. Easy to store. The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the embodiments of the invention.

3000‧‧‧Electric bicycle

1‧‧‧ front wheel

2‧‧‧ Front fork mechanism

3‧‧‧ frame

30‧‧‧Main frame

301‧‧‧ accommodating space

302‧‧‧First body

3020‧‧‧First rod front end

3022‧‧‧First rod back end

303‧‧‧Second body

304‧‧‧ joints

305‧‧‧Installation space

306‧‧‧ openings

307‧‧‧Installation opening

31‧‧‧ Controller

32‧‧‧First electrical connector

33‧‧‧Battery module

331‧‧‧Locks

332‧‧‧Latch

333‧‧‧ key slot

34‧‧‧Second electrical connector

35‧‧‧Connector base

36‧‧‧First connector

37‧‧‧Carrier

371‧‧‧The ring

38‧‧‧Second connection

39‧‧‧ Controller base

40‧‧‧First joint

401‧‧‧Keyhole

41‧‧‧Second joint

5‧‧‧ seat tube

6‧‧‧ Rear wheel

7‧‧‧Shocking mechanism

8‧‧‧ Seat cushion

X‧‧‧ front and rear movement path

X1, X2, Y1, Y2‧‧‧ direction

Fig. 1 is a schematic view showing the appearance of an electric bicycle according to an embodiment of the present invention.

Figure 2 is a schematic view of a frame of an embodiment of the present invention.

Figure 3 is a schematic view showing the explosion of the frame of the embodiment of the present invention.

Fig. 4 is a schematic view showing the explosion of the frame at another angle of view of the embodiment of the present invention.

Figure 5 is a schematic cross-sectional view of a frame of an embodiment of the present invention.

6 and 7 are respectively schematic cross-sectional views of the frame of the embodiment of the present invention in different states.

The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional terminology used is for the purpose of illustration and not limitation. Please refer to FIG. 1 , which is a schematic diagram of the appearance of an electric bicycle 3000 according to an embodiment of the present invention. As shown in FIG. 1, the electric bicycle 3000 includes a front wheel 1, a front fork mechanism 2, a frame 3, a tube 5, a rear wheel 6 and a suspension mechanism 7, and a mat 8. The front fork mechanism 2 is connected to the front wheel 1 and the frame 3 for buffering the vibration transmitted by the front wheel 1 when the electric bicycle 3000 is traveling. The suspension mechanism 7 is connected to the rear wheel 6 and the frame 3 for buffering the electric bicycle 3000 when traveling. The vibration transmitted from the rear wheel 6 can thereby smoothly move the frame 3 on the ground by the front wheel 1 and the rear wheel 6, and the seat cushion 8 is mounted on the frame 3 by the seat tube 5 for providing the user to ride. .

Please refer to FIG. 2 to FIG. 5 , FIG. 2 is a schematic view of the frame 3 according to the embodiment of the present invention, FIG. 3 is a schematic view showing the explosion of the frame 3 according to the embodiment of the present invention, and FIG. 4 is a frame 3 of the embodiment of the present invention. FIG. 5 is a schematic cross-sectional view of the frame 3 of the embodiment of the present invention. As shown in FIG. 2 to FIG. 5 , the frame 3 includes a main frame body 30 , a controller 31 , a first electrical connector 32 , a battery module 33 , a second electrical connector 34 , and a connection . The base 35, a first connecting member 36, a carrying member 37, a second connecting member 38, a controller base 39, a first coupling member 40 and a second coupling member 41 are disposed in the main frame body 30. An accommodating space 301 is formed and includes a first rod 302 and a second rod 303. The first rod 302 is coupled to the seat cushion 8. The second rod 303 is coupled to the rear wheel by the shock absorbing mechanism 7. 6. The first rod 302 and the second rod 303 are joined to each other. At 304. In addition, a mounting space 305 is defined between the lower surface of the first rod 302 and the upper surface of the second rod 303, and the joint 304 is formed with an opening 306 of the connecting accommodating space 301 and the mounting space 305, and one side of the mounting space 305 A mounting opening 307 is formed, and the battery module 33 can be mounted in the mounting space 305 via the mounting opening 307.

In this embodiment, the main frame body 30, the first rod body 302 and the second rod body 303 may be integrally formed, but the invention is not limited thereto, for example, in the production process, the main frame body 30 and the first rod body. 302 and the second rod body 303 can also be separately produced, and then the main frame body 30, the first rod body 302 and the second rod body 303 are combined into the frame 3 by means of welding, and the above design is adopted, and the actual demand is viewed. And set. Further, the controller 31 is disposed in the accommodating space 301 of the main frame 30 , and the first electrical connector 32 is disposed in the opening 306 and coupled to the controller 31 . In this embodiment, the first electrical connector 32 can be coupled to the controller 31 by using a cable (not shown), but the invention is not limited thereto. The battery module 33 is detachably received in the installation space 305 via the mounting opening 307 , and the second electrical connector 34 is disposed on the battery module 33 and corresponds to the first electrical connector 32 . The connector base 35 covers the opening 306 and the first electrical connector 32 is disposed on the connector base 35 whereby the first electrical connector 32 can be mounted within the opening 306. The controller base 39 is coupled to the connector base 35, and the controller 31 is fixed to the controller base 39, whereby the controller base 39 can be mounted when the connector base 35 is mounted around the opening 306. The controller 31 is fixed in the accommodating space 301. In this embodiment, the controller base 39 can be screwed to the connector base 35, and the controller 31 can also be screwed to the controller base 39, but the present invention is not affected by this. limit.

In this embodiment, the frame 3 can be substantially a Y-shaped structure, and the first rod 302 and the second rod 303 can be two branches of the Y-shaped structure. Further, the first rod body 302 has a first rod body front end 3020 and a first rod body rear end 3022. The first rod body rear end 3022 is used for connecting the seat tube 5, and the first joint member 40 is disposed on the first rod. The body 302 faces one side of the second rod 303, and the second joint member 41 is disposed on the battery module 33 and corresponds to the first joint member 40. The second joint member 41 is slidably engaged with the first joint member 40. So that the battery module 33 moves relative to the first rod 302 along a forward and backward movement path X. In this embodiment, the first bonding member 40 and the second bonding member 41 It can be a pair of sliding mechanisms, for example, the first coupling member 40 can be a sliding rail, and the second coupling member 41 can be a slider, and the slider (ie, the second coupling member 41) can be slidably engaged with The slide rail (ie, the first joint member 40). In addition, the slide rail (ie, the first joint member 40) may be a linear slide rail, and thus the linear slide rail (ie, the first joint member 40) can guide the battery module 33 to slide along a straight path.

As shown in FIG. 2 to FIG. 5 , the carrier 37 is disposed on the second rod 303 . When the battery module 33 is installed in the installation space 305 via the mounting opening 307 , the carrier 37 can be used to carry the battery module 33 . In order to securely mount the battery module 33 in the installation space 305. It is worth mentioning that the carrier member 37 can have a backing ring 371 which can be made of a soft material (for example, rubber material). Therefore, when the carrier member 37 carries the battery module 33, the backing ring 371 can elastically abut the battery module. The lower surface of the group 33 is such that the battery module 33 abuts against the carrier 37, thereby increasing the fixing effect of the carrier 37 on the battery module 33. In other words, the backing ring 371 of the carrier member 37 of the present invention can elastically abut the battery module 33 to carry the battery module 33 and prevent the battery module 33 from being scratched during installation. In this embodiment, the carrier 37 has two backing rings 371, and the number of the backing rings 371 of the present invention may not be limited to the embodiment of the present invention. For example, the carrying member 37 may have only one backing ring 371. That is, as long as the carrier 37 includes at least one backing ring 371, it is within the scope of the present invention.

In addition, the first connecting member 36 is coupled to the first rod 302 for fixing the first coupling member 40 to the first rod 302; the second connecting member 38 is coupled to the second rod 303 for fixing The carrier 37 is on the second rod 303. In this embodiment, the main frame body 30, the first rod body 302, and the second rod body 303 of the frame 3 can be made of carbon fiber material. In practice, the carbon fiber material is relatively brittle. When the screw lock is attached to the frame 3 made of carbon fiber material, the screw is liable to cause the frame 3 made of carbon fiber material to be broken. Therefore, in practice, the first connecting member 36 and the second connecting member 38 made of metal may be respectively respectively bonded to the first rod body 302 and the second rod body 303 made of carbon fiber material, and then the first joint member is 40 and the carrier 37 are respectively locked to the first connecting member 36 and the second connecting member 38. In this way, the first coupling member 40 and the carrier member 37 can be smoothly fixed to the first rod body 302 and the second rod body 303 made of carbon fiber material.

In this embodiment, the first connecting member 36 is used to connect the connector base 35 and the first coupling member 40, and the second connecting member 38 is used to connect the connector base 35 and the carrier member 37. A coupling member 40, a connector base 35 and a carrier member 37 can be integrally coupled with the second connector member 38 by the first connecting member 36 to increase the first coupling member 40, the connector base 35 and the carrier member. The structural coupling of the 37s further strengthens the structural rigidity of the first coupling member 40, the connector base 35 and the carrier member 37.

As shown in FIG. 2 to FIG. 5, a locking hole 401 is formed in the first coupling member 40. The battery module 33 has a locking member 331 including a latch 332 and a key slot 333. The latch 332 can be opposite to the battery module. The upper surface of 33 is stretched. When the battery module 33 is received in the mounting space 305, the user can insert a key (not shown) of the corresponding key slot 333 into the key slot 333 to drive the latch 332 to protrude from the battery module 33. The upper surface is further inserted into the locking hole 401 of the first coupling member 40 to lock the battery module 33. In other words, the lock 331 can selectively engage the lock hole 401 when the battery module 33 is received in the installation space 305 to lock the battery module 33 to the main frame body 30.

Please refer to FIG. 5 to FIG. 7 , and FIG. 6 and FIG. 7 are respectively schematic cross-sectional views of the frame 3 in different states according to an embodiment of the present invention. As shown in FIG. 5 to FIG. 7, when the user wants to remove the battery module 33 from the main frame body 30, the seat tube 5 may be first oriented along the second rod body 303 toward the first rod body 302. (i.e., direction Y1) is moved from a closed position as shown in Fig. 5 to an open position as shown in Fig. 6. When the seat tube 5 is moved to the open position as shown in Fig. 6, the seat tube 5 no longer surrounds the installation space 305, that is, the seat tube 5 no longer occupies the mounting opening 307 on the side of the installation space 305 to provide a battery mold. Group 33 requires the active space for disassembly. Then, the user can push the battery module 33 on the front and rear moving path X along the first rod front end 3020 toward the first rod rear end 3022 (ie, direction X1), and move back and forth as shown in FIG. The end point of the path X is moved to the start point of the forward and backward motion path X as shown in FIG.

When the battery module 33 moves to the starting point of the forward and backward movement path X as shown in FIG. 6, the second coupling member 41 (ie, the slider) on the battery module 33 can be disengaged from the first position on the first rod 302. Knot The fitting 40 (i.e., the slide rail) allows the user to detach the battery module 33 from the main frame body 30 in a direction perpendicular to the direction X1 and the direction Y1 (i.e., perpendicular to the plane of the drawing sheet). Further, the user can continue to push the battery module 33 along the front end 3020 of the first rod toward the rear end 3022 of the first rod (ie, the direction X1), so that the battery module 33 is moved by the forward and backward movement as shown in FIG. The X starting point moves to a disengaged position as shown in Fig. 7. In this way, the battery module 33 can be completely detached from the installation space 305 to achieve the purpose of removing the battery module 33 from the main frame body 30.

On the other hand, when the user wants to install the battery module 33 in the installation space 305, the seat tube 5 also needs to be moved to the open position to provide the space required for the battery module 33 to be installed. Then, the user can push the battery module 33 on the front and rear moving path X along the first rod rear end 3022 toward the first rod front end 3020 (ie, the direction X2), as shown in FIG. The position is moved to the end point of the forward and backward movement path X as shown in Fig. 5 via the start point of the forward and backward movement path X as shown in Fig. 6. At this time, the battery module 33 can completely enter the installation space 305, so that the second electrical connector 34 of the battery module 33 is coupled to the first electrical connector 32. In this way, the battery module 33 can be electrically connected to the controller 31 to provide a source of power required for the electric bicycle 3000 to travel.

It is worth mentioning that when the battery module 33 moves from the first rod rear end 3022 toward the first rod front end 3020 to the end of the front and rear movement path X, the backing ring 371 can further slow down the battery module 33 and the main frame body 30. The impact between the two. Further, after the battery module 33 is housed in the installation space 305, the seat tube 5 can be moved in the direction of the first rod body 302 toward the second rod body 303 (ie, the direction Y2) to adjust the height of the seat tube 5. It is worth mentioning that when the seat tube 5 is moved to the closed position as shown in FIG. 5, the seat tube 5, the first rod 302 and the second rod 303 can collectively surround the installation space 305.

It is worth mentioning that the height of the lower surface of the first rod 302 gradually decreases along the direction of the first rod rear end 3022 toward the front end 3020 of the first rod (ie, the direction X2), that is, in this embodiment, the first The distance between the lower surface of the rod 302 and the upper surface is gradually increased in the direction along the first rod rear end 3022 toward the first rod front end 3020 (i.e., direction X2). In this way, the first bonding member 40 mounted on the lower surface of the first rod 302 can have an inclination angle, and the inclination angle can make the battery module 33 Driven by its own weight, it tends to enter the installation space 305. In addition, as shown in FIG. 5 to FIG. 7, the battery module 33 has a triangular outer casing having a first contour line, and the lower surface of the first rod 302 and the upper surface of the second rod 303 form a first surface. Two contour lines. In practice, the first contour line is matched to the second contour line, so that the triangular outer casing of the battery module 33 can be attached to the lower surface of the first rod 302 when reaching the position as shown in FIG. The upper surface of the second rod 303 is configured to smoothly couple the second electrical connector 34 of the battery module 33 to the first electrical connector 32.

Compared with the prior art, the present invention uses the installation space formed between the first rod body and the second rod body of the main frame body to install the battery module, and the controller is disposed in the accommodating space of the main frame body, so When the battery module is mounted on the main frame body, the battery module is located between the first rod body and the second rod body without affecting the appearance of the electric bicycle. In addition, the present invention further utilizes the first bonding component and the second bonding component to detachably mount the battery module to the main frame body, so that when the battery module is not in use, the battery module can be removed from the electric bicycle. Easy to store. The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

3‧‧‧ frame

30‧‧‧Main frame

301‧‧‧ accommodating space

302‧‧‧First body

3020‧‧‧First rod front end

3022‧‧‧First rod back end

303‧‧‧Second body

305‧‧‧Installation space

307‧‧‧Installation opening

31‧‧‧ Controller

32‧‧‧First electrical connector

33‧‧‧Battery module

331‧‧‧Locks

332‧‧‧Latch

333‧‧‧ key slot

34‧‧‧Second electrical connector

35‧‧‧Connector base

36‧‧‧First connector

37‧‧‧Carrier

371‧‧‧The ring

38‧‧‧Second connection

39‧‧‧ Controller base

40‧‧‧First joint

41‧‧‧Second joint

5‧‧‧ seat tube

X‧‧‧ front and rear movement path

X1, X2, Y1, Y2‧‧‧ direction

Claims (25)

A frame suitable for an electric bicycle, the electric bicycle comprises a rear wheel and a pad, the frame comprises: a main frame body, wherein an accommodation space is formed therein, the main frame body comprises a first pole And a second rod body, the first rod body is coupled to the seat cushion, the second rod body is coupled to the rear wheel, and the first rod body and the second rod body are joined to a joint portion. An installation space is defined between the first rod body and the second rod body, the joint portion is formed with an opening that communicates with the accommodation space and the installation space; a controller is disposed in the accommodation space; An electrical connector is disposed in the opening and coupled to the controller; a battery module is detachably received in the installation space; a second electrical connector is disposed on the battery module and corresponds to a first electrical connector, the second electrical connector is coupled to the first electrical connector to electrically connect the battery module to the controller; and the battery module is mounted in the mounting space; a tube that is movably mounted to one end of the first shaft; When the tube moves to a closed position along the direction of the first rod body toward the second rod body, the seat tube, the first rod body and the second rod body together surround the installation space; when the seat tube is along the first When the two rods are moved toward the first rod body to an open position, the seat tube does not surround the installation space, so that one side of the installation space forms a mounting opening for the battery module to be disassembled. The frame of claim 1, wherein the first rod body has a first rod body front end and a first rod body rear end, the first rod body rear end is coupled to the seat cushion, and the vehicle The first coupling member is disposed on a side of the first rod body facing the second rod body; a second coupling member is disposed on the battery module and corresponds to the first joint member, Second joint The first coupling member is slidably engaged to guide the battery module to be mounted in the installation space with respect to the first rod body along the rear end of the first rod body toward the front end of the first rod body. Or being detached from the installation space along the front end of the first rod toward the rear end of the first rod. The frame of claim 2, wherein the first coupling member is a slide rail, the second coupling member is a slider, and the slider is slidably engaged with the slide rail. The frame of claim 2, further comprising: a connector base covering the opening, the first electrical connector being disposed on the connector base; and a first connector coupled The first rod is connected to the connector base and the first joint, and the first joint is used for fixing the first joint to the first rod. The vehicle frame of claim 4, further comprising: a carrier member disposed on the second rod body, the carrier member for carrying the battery module when the battery module is installed in the installation space And a second connecting member coupled to the second rod and connecting the connector base and the carrier, the second connecting member for fixing the carrier to the second rod. The frame of claim 5, wherein the carrier has a backing ring for resiliently abutting the battery module when the carrier carries the battery module. The frame of claim 4, further comprising: a controller base connected to the connector base, the controller base for fixing the controller in the accommodating space. The frame of claim 2, wherein the first joint member is formed with a lock hole, and the battery module has a lock, and when the battery module is received in the installation space, the lock selectively couples the lock a hole for locking the battery module to the main frame body. The frame of claim 1, wherein the main frame body, the first rod body and the second rod body are integrally formed and made of carbon fiber material. A frame suitable for an electric bicycle, the electric bicycle comprising a front fork mechanism, a rear wheel and a tube, the frame comprises: a main frame body, which is substantially a Y-shaped structure, the main frame An accommodating space is formed in the body, the main frame body has an opening, a first rod body and a second rod body, the first rod body extends above the second rod body, and the first rod body has a first a front end of the rod body and a rear end of the first rod body, the seat tube is mounted on the rear end of the first rod body, the rear wheel is coupled to the second rod body, the rear end of the first rod body and the second rod The first rod body front end and the second rod body are fixedly coupled to each other at a joint, and the front fork mechanism is coupled to the joint portion where the first rod body and the second rod body are engaged with each other. An installation space is defined between the lower surface of the first body and the upper surface of the second body, the opening is connected to the receiving space and the installation space; a controller is disposed in the receiving space; a first electrical connector, Provided in the opening and coupled to the controller; a battery module detachably received in the installation space And a second electrical connector disposed on the battery module and corresponding to the first electrical connector, wherein the second electrical connector is coupled to the battery module when the battery module is received in the installation space The first electrical connector electrically connects the battery module to the controller; and when the battery module moves from the rear end of the first rod toward the front end of the first rod, the battery module can be stored in the installation In the space; when the battery module moves from the front end of the first rod toward the rear end of the first rod, the battery module can be The group is detached from the installation space. The frame of claim 10, wherein the frame further comprises: a carrier disposed on the second body and protruding from the upper surface of the second body, wherein the battery module is received in the installation space When the inner part is in contact with the battery module, the battery module is carried. The frame of claim 11, wherein the carrier has a backing ring that elastically abuts the battery module when the carrier carries the battery module. The frame of claim 10, wherein the first rod body has a first rod body front end and a first rod body rear end, and the frame further comprises: a first joint member disposed at the first a lower surface of the rod; and a second joint member disposed on the battery module and corresponding to the first joint member, the second joint member is coupled to the first joint member to enable the battery module along A forward and backward motion path moves relative to the first rod. The frame of claim 10, wherein the main frame body further has a locking hole, the battery module has a lock, and when the battery module is received in the installation space, the lock selectively couples the lock a hole for locking the battery module to the main frame body. The frame of claim 13, wherein the battery module has a battery module front end, the first electrical connector is disposed adjacent to the joint, and the second electrical connector is disposed at the front end of the battery module. The second electrical connector is coupled to the first electrical connector when the battery module moves from the rear end of the first rod toward the front end of the first rod to the end of the forward and backward motion paths. The frame of claim 13, wherein the first coupling member and the second coupling member are a pair of sliding mechanisms for enabling the battery module to move along the front and rear movement path of the lower surface of the first shaft. slip The moving path is a straight path. The frame of claim 16, wherein the height of the lower surface of the first rod gradually decreases in a direction from the rear end of the first rod toward the front end of the first rod, so that the first joint has a The angle of inclination, which in turn causes the battery module to be driven by its own weight, tends to enter the installation space. The frame of claim 10, wherein the battery module has a triangular outer casing, the front end of the triangular outer casing has a first contour line, and the lower surface of the first rod body and the upper surface of the second rod body form a second An outline that coincides with the second contour. A frame suitable for an electric bicycle, the frame comprising: a main frame body, the main frame body is substantially a Y-shaped structure, the main frame body has a first rod body and a second rod body The first rod body extends above the second rod body, and an installation space is defined between the lower surface of the first rod body and the upper surface of the second rod body, the first rod body having a rod front end and a rod a first electrical connector is disposed on the main frame; a battery module is detachably received in the installation space, the battery module has a triangular outer casing, and the front end of the triangular outer casing has a first a contour line, the lower surface of the first rod body and the upper surface of the second rod body form a second contour line, the first contour line is matched with the second contour line; a second electrical connector is disposed on the battery The first electrical connector is coupled to the first electrical connector when the battery module is received in the mounting space; a first coupling member is disposed on the module a lower surface of the first rod; and a second joint member disposed on the battery module and Corresponding to the first bonding component, the second bonding component is used for bonding to the first bonding component, so that the battery module is relatively along a front and rear moving path The first rod body moves; when the battery module moves from the rear end of the first rod body toward the front end of the first rod body, the battery module can be stored in the installation space; when the battery module is from the first When the front end of the rod body moves toward the rear end of the first rod body, the battery module can be detached from the installation space. The frame of claim 19, wherein the first rod body and the second rod body are joined to a joint, the battery module has a battery module front end, and the first electrical connector is disposed adjacent to the frame a second electrical connector disposed at a front end of the battery module, the second electrical connection when the battery module moves from a rear end of the first rod toward a front end of the first rod to an end of the front and rear motion paths The device is coupled to the first electrical connector. The frame of claim 19, wherein the first coupling member and the second coupling member are a pair of sliding mechanisms for enabling the battery module to move along the front and rear movement path of the lower surface of the first shaft. Sliding, wherein the forward and backward motion paths are straight paths. The frame of claim 21, wherein a distance between a lower surface of the first rod and an upper surface of the first rod is increased along a rear end of the first rod toward a front end of the first rod, so that The first coupling member has an oblique angle, which in turn causes the battery module to be driven by its own weight and tends to enter the installation space. The frame of claim 19, wherein the frame further comprises: a carrier disposed on the second body and protruding from the upper surface of the second body, wherein the battery module is received in the installation space When the inner part is in contact with the battery module, the battery module is carried. The frame of claim 23, wherein the carrier has a backing ring, when the battery module is When the rear end of the first rod body moves toward the front end of the first rod body to the end of the front and rear movement path, the back ring slows the impact between the battery module and the main frame body. When the carrier member carries the battery module, the The backing ring elastically abuts the battery module. The frame of claim 19, wherein the first binding member has a locking hole, and the battery module has a locking device, and the locking device selectively engages the locking device when the battery module is received in the installation space. a hole for locking the battery module to the main frame body.