TWI696564B - Fixing structure and electric bicycle frame with the same - Google Patents

Abstract

A locking structure used to lock a battery module which comprises a body, a fixing piece, a pressure rod and a button. The fixing piece is disposed on the body and includes an engaging structure. The pressure rod is disposed on the body and has an actuating state, in which the pressure rod can be extended or contracted. The button is set on the body. One end of the pressure rod faces the button, and the other end of the pressure rod faces the fixing piece. After the button is pressed, the pressure rod is in the actuated state, and the pressure rod is adapted to extend and then abut against the fixing piece, so that the engaging structure of the fixing piece is engaged with the battery module.

Description

Locking structure and electric bicycle frame with the locking structure

The invention relates to a locking structure and an electric bicycle frame, in particular to a pressure bar locking structure and an electric bicycle frame with the pressure bar locking structure.

Electric bicycles must be equipped with batteries for driving, and the batteries of traditional electric bicycles are mostly installed on the rear shelf of the car body, or a receiving seat is welded at a suitable place on the car body for battery placement. Taiwan’s new patent No. M316210 discloses an electric bicycle, which includes a frame and a power supply device, the frame is provided with an accommodating groove for accommodating the power supply device, wherein the accommodating groove can be formed in the middle tube or Is the upper tube. However, the disassembly and assembly of its battery module is not convenient for users, so it needs to be further improved.

In addition, the existing fixed battery structure uses a fixed-size mechanical structure. When assembling the battery on the bicycle, if the matching size exceeds the original design value, the battery may not be completely fixed, causing the battery to loosen. When the battery is loose, it may further cause poor contact of the charging and discharging connectors, thus causing damage to the battery. In view of this, there is a need for an improved locking structure and electric bicycle frame.

An object according to an embodiment of the present invention is to provide a locking structure and an electric bicycle frame, which are convenient for locking a battery module. Another object of an embodiment of the present invention is to provide a locking structure and an electric bicycle frame that utilizes the scalability of a pressure rod to fill the manufacturing tolerance between the locking structure and the battery module to reduce the assembly of the battery module Incomplete situation. .

According to a clear embodiment of the invention, a locking structure is provided for locking a battery module. The locking structure includes a body, a fixing piece, a pressure rod and a button. The fixing piece is disposed on the body and includes an engaging structure. The pressure rod is arranged on the body and has an actuated state, in which the pressure rod can expand or contract. The button is set on the body. One end of the pressure lever faces the button, and the other end of the pressure lever faces the fixing piece. After the button is pressed, the pressure lever is in the actuated state, and the pressure lever is adapted to extend and abut the fixing piece, so that the engaging structure of the fixing piece is engaged with the battery module.

In one embodiment, the locking structure further includes a key structure fixed to the body and includes a key and a lock head. The key is used to move the lock head, so that the lock head moves to a locking position. The pressure lever includes a limit portion, and in the lock position of the lock head, the lock head abuts the limit portion of the pressure lever for Limit the operating space of the pressure rod.

In one embodiment, the fixing piece further includes a paddle, the paddle is connected to the engaging structure, so that the user can pull the paddle when the pressure rod is in the actuated state, so that the pressure rod is extended or shortened.

In one embodiment, the body defines a limiting slot, and the fixing piece further includes a limiting rod for insertion into the limiting slot, so that the limiting rod can move in the limiting slot.

According to a clear embodiment of the present invention, there is provided an electric bicycle rack including a tube body, a battery module, and a locking structure. The tube body contains a receiving space. The battery module is used to be set in the accommodating space of the battery module. The locking structure is located at one end of the tube body. The battery module includes a body, a fixing piece, a pressure rod and a button. The fixing piece is disposed on the body and includes an engaging structure. The pressure rod is arranged on the body and has an actuated state, in which the pressure rod can expand or contract. The button is set on the body. One end of the pressure lever faces the button, and the other end of the pressure lever faces the fixing piece. After the button is pressed, the pressure lever is in the actuated state, and the pressure lever is adapted to extend and abut the fixing piece, so that the engaging structure of the fixing piece is engaged with the battery module.

In one embodiment, the locking structure further includes a key structure fixed to the body and includes a key and a lock head. The key is used to move the lock head, so that the lock head moves to a locking position. The pressure lever includes a limit portion, and in the lock position of the lock head, the lock head abuts the limit portion of the pressure lever for Limit the operating space of the pressure rod.

In one embodiment, the battery module includes a handle, and the engaging structure includes a plurality of engaging surfaces, and the engaging surfaces are inclined surfaces.

In one embodiment, the body defines a limiting slot, and the fixing piece further includes a limiting rod for insertion into the limiting slot, so that the limiting rod can move in the limiting slot.

In one embodiment, the fixing piece further includes a paddle, the paddle is connected to the engaging structure, so that the user can pull the paddle when the pressure rod is in the actuated state, so that the pressure rod is extended or shortened.

In one embodiment, the electric bicycle rack further includes a combined base. The combined base is located at the other end of the tube body and includes a tube connector, and the battery module includes a battery connector and a positioning seat. The shape of a part of the positioning seat matches the shape of the combined base. When the positioning seat is combined with the combined base, the battery module is placed in the accommodating space, and the tube connector and the battery connector are electrically connected to each other.

In an embodiment, the positioning seat includes at least one positioning portion, the at least one positioning portion defines a positioning space, and the combination base includes at least one positioning rotation shaft, and the shape of the positioning rotation shaft matches the shape of the positioning space.

In one embodiment, the positioning space is a curved surface space, and the outer periphery of the positioning rotating shaft is a curved surface, so that after combining the positioning space and the positioning rotating shaft, it is suitable for rotating the battery module to make the battery module enter the tube Inside a room.

In one embodiment, the locking structure includes a first guiding structure, and the battery module includes a first Two guide structures. During the installation of the battery module, the first guide structure and the second guide structure are used to guide the movement of the battery module.

According to an embodiment of the present invention, by utilizing the scalability of the pressure rod and ensuring that the actuation stroke of the pressure rod is greater than the tolerance or preset gap of the battery assembly, the structural characteristics of the scalability of the pressure rod are used to fix the battery module, and Absorb the tolerances of the frame, locking structure and battery module to reduce or avoid the incomplete or inadequate assembly of the battery module. In one embodiment, a locking head is more required to limit the operating space of the pressure rod, which can ensure that the locking structure locks the locked state of the battery module and is not easy to loosen.

200‧‧‧Electric bicycle rack

210‧‧‧tube

231‧‧‧accommodation space

251‧‧‧ down tube

252‧‧‧Riser

253‧‧‧ top tube

421‧‧‧ First snap-in surface

422‧‧‧Second snap-in surface

430‧‧‧pressure lever

431‧‧‧Elastic element

432‧‧‧ button

433‧‧‧accommodation space

254: head tube

291: Positioning seat

292: Battery connector

295: fixed element

300: battery module

310: groove

320: Engagement Department

330: handle

400: locking structure

410: Ontology

411: raised structure

412: snap-in structure

413: pick

414: Limit lever

415: Second positioning part

420: fixed piece

434: Limit part

435: First positioning part

440: Key structure

441: screw

442: fixed member

443: Key

444: limit slot

445: Lock

446: screw hole

447: Key port

800: combination base

811: positioning shaft

812: pipe body connector

911: Ontology

912: Positioning Department

913: Positioning space

FIG. 1 shows an exploded view of a locking structure, a battery module and a combination base according to an embodiment of the invention.

FIG. 2A shows a schematic diagram of an electric bicycle rack according to an embodiment of the invention.

FIG. 2B shows a schematic diagram of a tube according to an embodiment of the invention.

FIG. 3A shows an exploded view of the locking structure and battery module according to another embodiment of the present invention from another perspective.

3B shows an exploded view of the locking structure of the embodiment of FIG. 3A of the present invention.

FIG. 3C is a schematic diagram illustrating a first state of installing the battery module in the tube according to the embodiment of FIG. 3A of the present invention.

FIG. 3D shows a second state of installing the battery module in the tube according to the embodiment of FIG. 3A of the present invention Schematic.

FIG. 3E is a schematic diagram of a third state of installing the battery module in the tube according to the embodiment of FIG. 3A of the present invention.

FIG. 3F shows a partially enlarged view of the second state of FIG. 3D.

FIG. 4A shows an exploded view of a locking structure and a battery module from another perspective of another embodiment of the present invention.

4B shows an exploded view of the locking structure of the 4A embodiment of the invention.

FIG. 4C is a schematic diagram showing a first state of installing the battery module in the tube according to the 4A embodiment of the present invention.

4D is a schematic diagram showing a second state of installing the battery module in the tube body according to the 4A embodiment of the present invention.

4E is a schematic diagram showing a third state of installing the battery module in the tube according to the 4A embodiment of the present invention.

FIG. 4F shows a partially enlarged view of the second state of FIG. 4D.

FIG. 1 shows an exploded view of a locking structure, a battery module and a combination base according to an embodiment of the invention. As shown in FIG. 1, the locking structure 400 and the combination base 800 are respectively located at two opposite ends of the battery module 300. The battery module 300 includes a positioning seat 291 and a battery connector 292. The positioning seat 291 is provided at a first end of the battery module 300. In this embodiment, the body 911 of the positioning seat 291 is formed It is plate-shaped, and is fixed to the first end of the battery module 300 by using at least one fixing element 295. The fixing element 295 may be a screw. Preferably, the positioning seat 291 and the battery connector 292 are both provided at the same first end of the battery module 300.

FIG. 2A shows a schematic diagram of an electric bicycle rack according to an embodiment of the invention. As shown in FIG. 2A, the electric bicycle rack 200 includes a plurality of tubes connected to each other, for example, a lower tube 251, a stand tube 252, and an upper tube 253. The two ends of the lower tube 251, the stand tube 252, and the upper tube 253 are connected to each other. More specifically, they can be directly connected and indirectly connected to form a supporting space. In one embodiment, the electric bicycle rack further includes a head tube 254. The lower tube 251 and the upper tube 253 are connected to each other through the head tube 254.

FIG. 2B shows a schematic diagram of a tube according to another embodiment of the invention. As shown in FIG. 2B, the tube body 210 includes an accommodating space 231 with the opening facing downward. The combination base 800 and the locking structure 400 are respectively provided at both ends of the tube body 210. The locking structure 400 is located on the upper side of the tube body 210 (or accommodating space 231), and the combination base 800 is located on the lower side of the tube body 210 (or accommodating space 231). The combination base 800 includes a tube connector 812. In one embodiment, the combination base 800 and the tube connector 812 are both disposed at the bottom of the accommodating space 231. The shape of the positioning portion 912 of the positioning seat 291 matches the shape of the combination base 800, so that after the positioning seat 291 and the combination base 800 are combined, the battery module 300 can enter the accommodating space 231 of the tube body 210 . Preferably, when the positioning base 291 is combined with the combination base 800, the battery connector 292 and the tube connector 812 are also electrically connected to each other.

1 and 2B again, the positioning seat 291 includes a body 911, at least one positioning portion 912, and a positioning space 913. In this embodiment, the number of the positioning portions 912 is two, and they are respectively disposed on both sides of a surface of the body 911. The positioning part 912 defines a positioning space 913. Preferably, the positioning space 913 is a curved space. In this embodiment, the combination base 800 includes at least one positioning shaft 811, and preferably the number of positioning shafts 811 is two. The outer periphery of the positioning rotating shaft 811 is a curved surface, and the shape of the positioning rotating shaft 811 matches the shape of the curved surface space of the positioning space 913. After the positioning seat 291 and the positioning rotating shaft 811 are combined, the battery module 300 can enter the accommodating space of the tube body 210 by rotating the battery module 300, and the battery module 300 is fixed by the locking structure 400 so that the battery Module 300 will not drop.

FIG. 3A shows an exploded view of the locking structure and battery module according to another embodiment of the present invention from another perspective. As shown in FIG. 3A, the locking structure 400 includes a convex structure 411 (first guiding structure). A groove 310 (second guiding structure) and an engaging portion 320 are formed on one end surface of the battery module 300. When the battery module 300 enters the accommodating space 231 of the tube body 210, the convex structure 411 of the locking structure 400 advances along the groove 310, and the battery module 300 enters the accommodating space 231 of the tube body 210 After being inserted, the shapes of the engaging structure 412 and the engaging portion 320 are matched with each other to engage with each other, thereby fixing the battery module 300.

FIG. 3B shows an exploded view of the locking structure according to an embodiment of the invention. As shown in FIG. 3B, the locking structure 400 includes a body 410, a fixing piece 420, a pressure bar 430 and a button 432. In one embodiment, the locking structure 400 further includes a raised structure 411 and a key structure 440. 420 packs Contains a snap structure 412 and a pick 413. The dial 413 is connected to the engaging structure 412 and extends outward of the accommodating space 231. The screw 441 fixes the fixing member 442 of the key structure 440 to the screw hole 446 of the body 410, and fixes the key structure 440 to the body 410. The button 432 is disposed in the body 410 via the elastic element 431 and protrudes from a first side, and abuts the pressure rod 430 when it is pressed. The pressure rod 430 has an actuated state, in which the pressure rod 430 can expand or contract. When the pressure rod 430 is not in the actuated state, it cannot expand or contract. The pressure rod 430 is disposed in the accommodating space 433 defined by the body 410, and one end faces the button 432 and the other end faces the engaging structure 412. The key structure 440 includes a key 443 and a lock 445. After the key 443 is inserted into the key opening 447 of the key structure 440, the lock head 445 can be moved by turning the key 443, so that the lock head 445 moves to the locking position.

In an embodiment, the pressure rod 430 includes a limiting portion 434 for contacting the lock head 445 of the locking structure 400 to limit the operating space of the pressure rod 430. In an embodiment, the fixing piece 420 further includes a limiting rod 414. The body 410 defines a limit slot 444. The limit lever 414 is inserted into the limit groove 444 so that the limit lever 414 can move in the limit groove 444. In one embodiment, the pressure rod 430 includes a first positioning portion 435, and the fixing piece 420 includes a second positioning portion 415. The shape and position of the first positioning portion 435 match the shape and position of the second positioning portion 415, so that the pressure The other end of the rod 430 can be stably positioned on the fixing piece 420. Preferably, the first positioning portion 435 is a groove, and the second positioning portion 415 is a protrusion.

3C shows a first state of installing the battery module in the tube according to an embodiment of the invention Schematic. FIG. 3D is a schematic diagram showing a second state of installing the battery module in the tube according to an embodiment of the invention. FIG. 3E is a schematic diagram showing a third state of installing the battery module in the tube according to an embodiment of the invention. Hereinafter, referring to FIGS. 3C-3E, a method of mounting the battery module to the tube body in this embodiment will be described.

As shown in FIGS. 3C-3E, the tube body 210 includes a button 432 which is disposed on the tube body 210 and is exposed on the lower surface of the tube body 210, and both of them are facing downwards, the same as the accommodating space 231 of the tube body 210. In this embodiment, the pressure lever 430 can be released by pressing the button 432, so that the pressure lever 430 can be retracted or moved forward and backward.

As shown in FIG. 3C, when the battery module 300 is installed in the tube body 210, the positioning portion 912 of the battery module 300 is first combined with the positioning rotating shaft 811 of the combination base 800 of the tube body 210, and the battery module 300 is rotated so that It rotates in the direction of the accommodating space 231. The convex structure 411 of the locking structure 400 is slid into the groove 310 of the battery module 300. At this time, the user's first hand (for example, the right hand) holds the battery, and the thumb of the user's second hand (for example, the left hand) presses the button 432 to trigger the pressure lever 430 to be able to extend or retract. Subsequently, the other fingers of the second hand pull the pick 413 of the fixing piece 420, so that the fixing piece 420 compresses the pressure rod 430, so that the engaging structure 412 of the fixing piece 420 can move relatively smoothly on the top surface of the battery module 300 .

As shown in FIG. 3D, when the battery module 300 is rotated to a position where the engaging structure 412 and the engaging portion 320 are engaged, the engaging structure 412 and the engaging portion 320 are engaged with each other. In this embodiment, the card The engaging structure 412 is a protrusion and the engaging portion 320 is recessed. The pressure rod 430 will be stretched due to the excess space of the recess, so that the engaging structure 412 sinks into the engaging portion 320 and engages with each other. In an embodiment, the engaging structure 412 may be forcibly pulled so that it does not contact the top surface of the battery module 300, and at the appropriate position described above, the dial 413 of the fixing piece 420 may be partially released to make the engaging structure 412 is trapped in the engaging portion 320. At this time, since the actuation stroke of the pressure rod is greater than the assembly tolerance or the preset gap of the battery module 300, the engaging structure 412 can be pressed to completely sink into the engaging portion 320 without loosening the battery module 300 . Finally, the release piece 413 of the fixing piece 420 is completely released, and the button 432 is pressed again to close the operation of the pressure lever 430, so that the pressure lever 430 can no longer expand or contract or move forward and backward, thereby fixing the battery module 300.

As shown in FIG. 3E, the user turns the key 443 to move the lock head 445, so that the lock head 445 extends and is in a locked position. In the locked position, the lock head 445 abuts a limiting portion 434 of the pressure rod 430, thereby limiting the operating space of the pressure rod 430. In this way, in addition to closing the operation of the pressure rod 430 through the button 432, the actuation space of the pressure rod 430 can be further restricted through the lock head 445, so that the battery module 300 has a two-layer locking structure, so the battery module can be ensured 300 will not cause the battery module 300 to loosen due to the damage of the pressure rod 430 or other reasons.

FIG. 3F shows a partially enlarged view of the second state of FIG. 3D. 3B and 3F, the engaging structure 412 includes a first engaging surface 421 and a second engaging surface 422, the first engaging surface 421 is flat with respect to the extending direction of the pressure rod 430, and the second engaging The surface 422 is an inclined surface, and the shape of the engaging portion 320 matches the first engaging surface 421 and the second engaging surface 422. When installing the battery module 300, the second engaging surface The formation of the inclined surface by 422 can make the engaging structure 412 sink into the engaging portion 320 more smoothly. The first engaging surface 421 forms a plane so that the battery module 300 is not easily loosened.

When the battery module 300 is to be disassembled, first turn the key 443 to move the lock head 445 so that the lock head 445 is not in the locked position, and press the button 432 to make the pressure rod 430 actuate, so that the pressure rod 430 can be extended Or shrink. The user pulls the paddle 413 to shorten the pressure rod 430, and the engaging structure 412 of the fixing piece 420 is disengaged from the engaging portion 320 of the battery module 300. At this time, the battery module 300 can be removed by gravity. As shown in FIGS. 3B and 3F, the first engaging surface 421 forms a flat surface, and the user pulls the dial 413 to completely disengage the first engaging surface 421.

In the present invention, the structure of the pressure rod is not limited, as long as it has scalability, it is not particularly limited. It may be a current existing or future development pressure rod. In an embodiment, the pressure rod may be Hydraulic rod, pneumatic rod, etc.

According to the present invention, it has the following design features. 1. The lock 445 switch simply releases the operating space of the pressure lever 430, such as an oil pressure bar. If the release button 432 is not pressed, the pressure lever 430 will not operate, and the fixing piece 420 will not be detached from the battery external electric cover. The battery module 300 cannot be taken out. 2. Taking advantage of the characteristics of the pressure rod 430, the oil pressure bar needs to be pressed to open the throttle of the oil pressure bar before the oil pressure bar can be extended back and forth. 3. The lock head 445 is extended to catch the actuating space of the pressure rod 430, so that the pressure rod 430 cannot move forward and backward. When the lock 445 is retracted, space can be released, The pressure lever 430 can be moved forward and backward to catch or release the battery module 300. 4. If the lock 445 is not released, even if the release button 432 is pressed, but the operating space of the pressure lever 430 is not released, the pressure lever 430 cannot be moved back and forth Act to release the battery module 300.

FIG. 4A shows an exploded view of a locking structure and a battery module from another perspective of another embodiment of the present invention. 4B shows an exploded view of the locking structure of the 4A embodiment of the invention. The embodiment of FIG. 4A is similar to the embodiment of FIG. 3A, so the same symbols are used for the same elements and their related descriptions are omitted. As shown in FIGS. 4A and 4B, the battery module 300 includes a handle 330. The fixing piece 420 includes an engaging structure 412. In the illustration, the fixing piece 420 does not include the paddle 413, but it may be included even if the paddle 413 is included.

FIG. 4C is a schematic diagram showing a first state of installing the battery module in the tube according to the 4A embodiment of the present invention. 4D is a schematic diagram showing a second state of installing the battery module in the tube body according to the 4A embodiment of the present invention. 4E is a schematic diagram showing a third state of installing the battery module in the tube according to the 4A embodiment of the present invention. Hereinafter, referring to FIGS. 4C-4E, the manner of mounting the battery module to the tube body in this embodiment will be described.

As shown in FIG. 4C, when the battery module 300 is mounted on the tube body 210, the positioning portion 912 of the battery module 300 is first combined with the positioning rotating shaft 811 of the combination base 800 of the tube body 210. At this time, the thumb of the user's left hand presses the button 432 to trigger the pressure lever 430 to be able to expand or contract or move forward and backward. The user's right hand grasps the handle 330 of the battery module 300, rotates the battery module 300 toward the accommodating space 231, and slides the convex structure 411 of the locking structure 400 into the groove 310 of the battery module 300. At this time, the engaging structure 412 of the fixing piece 420 can be smoothly moved on the top surface of the battery module 300.

As shown in FIG. 4D, the user's right hand holds the handle 330, and the left hand continuously presses the button to keep the pressure lever 430 continuously retractable or back and forth. The right hand moves the battery module 300. When the battery module 300 is rotated to When the engaging structure 412 and the engaging portion 320 are engaged, the engaging structure 412 and the engaging portion 320 are engaged with each other. Finally, the release button 432 closes the operation of the pressure rod 430, so that the pressure rod 430 can no longer expand or contract or move forward and backward, thereby fixing the battery module 300.

As shown in FIG. 4E, the user rotates the key 443 to move the lock head 445, so that it extends and contacts the limiting portion 434 of the pressure rod 430, thereby limiting the operating space of the pressure rod 430. In this way, in addition to closing the operation of the pressure rod 430 through the button 432, the actuation space of the pressure rod 430 can be further restricted through the lock head 445, so that the battery module 300 has a two-layer locking structure, thus ensuring the battery module 300 will not cause the battery module 300 to loosen due to the damage of the pressure rod 430 or other reasons.

FIG. 4F shows a partially enlarged view of the second state of FIG. 4D. 4B and 4F, the engaging structure 412 includes a first engaging surface 421 and a second engaging surface 422, the first engaging surface 421 and the second engaging surface 422 are inclined relative to the extending direction of the pressure rod 430 The shape of the engaging portion 320 matches the first engaging surface 421 and the second engaging surface 422. When the battery module 300 is installed, the inclined surface formed by the second engaging surface 422 can make the engaging structure 412 more smoothly sink into the engaging portion 320.

When the battery module 300 is to be disassembled, first turn the key 443 to move the lock head 445 so that the lock head 445 is not in the locked position, and press the button 432 to make the pressure rod 430 actuate, so that the pressure rod 430 can be extended Or shrink. When the user pulls the handle 330 to rotate downward, the first engaging surface 421 is an inclined surface and can smoothly disengage from the engaging portion 320, so that the pressure rod 430 is gradually shortened, and finally the engaging structure 412 of the fixing piece 420 is disengaged from the battery module 300的 engage part 320. At this time, the battery module 300 can be removed by gravity.

As described above, in an embodiment of the present invention, the expandability of the pressure rod, such as the oil pressure bar structure, is used to ensure that the actuation stroke of the pressure bar (oil pressure bar) is greater than the tolerance or preset clearance of the battery assembly. The retractable structural characteristics of the rod fix the battery module, and can absorb the tolerance of the frame, the locking structure and the battery module to reduce or avoid the incomplete or inadequate assembly of the battery module.

400‧‧‧Locking structure

410‧‧‧Body

411‧‧‧ raised structure

412‧‧‧Snap-in structure

413‧‧‧Pick

414‧‧‧Limit lever

415‧‧‧Second Positioning Department

420‧‧‧Fixed film

421‧‧‧ First snap-in surface

422‧‧‧Second snap-in surface

430‧‧‧pressure lever

431‧‧‧Elastic element

432‧‧‧ button

433‧‧‧accommodation space

434‧‧‧Limiting Department

435‧‧‧First Positioning Department

440‧‧‧Key structure

441‧‧‧screw

442‧‧‧Fixed member

443‧‧‧key

444‧‧‧Limit slot

445‧‧‧Lock

446‧‧‧Screw hole

Claims (13)

A locking structure for locking a battery module includes: a body; a fixing piece, which is provided on the body and includes an engaging structure; and a pressure bar, which is provided on the body and has an actuated state. In the actuated state, the pressure rod can be extended or contracted; and a button is provided on the body, wherein one end of the pressure rod faces the button, and the other end of the pressure rod faces the fixing piece, and the button After being pressed, the pressure rod is in the actuated state, and the pressure rod is adapted to extend and abut the fixing piece, so that the engaging structure of the fixing piece is engaged with the battery module, and the fixing piece further includes a dial The paddle is configured to allow the user to pull the paddle to extend or shorten the pressure rod when the pressure rod is in the actuated state. The lock structure according to claim 1, further comprising: a key structure fixed to the body, and including a key and a lock head, wherein the key is used to move the lock head and cause the lock head to move To a locking position, the pressure lever includes a limit portion, and at the locking position of the lock head, the lock head abuts the limit portion of the pressure lever to limit the operating space of the pressure lever . The locking structure according to claim 1 or 2, wherein the paddle is connected to the engaging structure. The locking structure according to claim 1 or 2, wherein, The body defines a limiting slot, and the fixing piece further includes a limiting rod for insertion into the limiting slot, so that the limiting rod can move in the limiting slot. An electric bicycle rack includes: a tube body, including an accommodating space, a battery module, which is arranged in the accommodating space of the battery module, and a locking structure, located at one end of the tube body, And includes: a body; a fixing piece, which is provided on the body and includes an engaging structure; and a pressure bar, which is provided on the body and has an actuated state, in which the pressure bar can expand or contract ; And a button, provided on the body, wherein one end of the pressure lever faces the button, and the other end of the pressure lever faces the fixing piece, and after the button is pressed, the pressure lever is in the actuated state, and The pressure rod is suitable for extending and abutting against the fixing piece, so that the engaging structure of the fixing piece is engaged with the battery module, and the fixing piece further includes a paddle, the paddle is configured such that the pressure rod is in the In the actuated state, the user is allowed to pull the paddle to extend or shorten the pressure rod. The electric bicycle frame according to claim 5, wherein the locking structure further includes: a key structure fixed to the body, and including a key and a lock head, wherein the key is used to move the lock head, Moves the lock head to a locking position, the pressure rod includes a limit portion, and In the locking position of the lock head, the lock head abuts the limiting portion of the pressure rod to limit the operating space of the pressure rod. The electric bicycle frame according to claim 5 or 6, wherein the battery module includes a handle, and the engaging structure includes a plurality of engaging surfaces, and the engaging surfaces are inclined surfaces. The electric bicycle frame according to claim 5 or 6, wherein the body defines a limiting groove, and the fixing piece further includes a limiting rod for insertion into the limiting groove, so that the limiting rod can Move in the limit slot. The electric bicycle frame according to claim 5 or 6, wherein the paddle is connected to the engaging structure. The electric bicycle rack according to claim 5, further comprising a combination base, wherein the combination base is located at the other end of the tube body and includes a tube body connector, and the battery module includes: a battery connection A positioning seat, wherein the shape of a part of the positioning seat matches the shape of the combined base, and when the positioning seat is combined with the combined base, the battery module is placed in the accommodating space Inside, the tube connector and the battery connector are electrically connected to each other. The electric bicycle frame according to claim 10, wherein the positioning seat includes at least one positioning portion, the at least one positioning portion defines a positioning space, and the combination base includes at least one positioning rotation shaft, and the positioning rotation shaft The shape matches the shape of the positioning space. The electric bicycle rack according to claim 11, wherein, The positioning space is a curved surface space, and the outer periphery of the positioning rotating shaft is a curved surface, so that after the positioning space is combined with the positioning rotating shaft, it is suitable for the battery module to enter the tube by rotating the battery module Within a volume of the body. The electric bicycle frame according to claim 5 or 6, wherein the locking structure includes a first guide structure, and the battery module includes a second guide structure. During the installation of the battery module, The first guiding structure and the second guiding structure are used to guide the movement of the battery module.

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