TW202112601A - Fixing structure and electric bicycle frame with the same - Google Patents

Abstract

According to a locking structure (400), a lock unit (420) is disposed on a lock body (410) and includes an engaging member (421). The elastic member (430) is disposed between the lock body (410) and the lock unit (420), and the elastic member (430) is used to apply an elastic force to the lock unit (420). The key module (440) is fixed to the lock body (410) and includes a key (443) and a lock head (445) for moving the lock head (445). The lock head (445) can move to a locked state or an unlocked state. When the key module (440) is in the locked state and the engaging member (421) is locked at the second engaging portion (322), the lock head (445) locks the lock unit (420).

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 multi-stage locking structure and an electric bicycle frame having the multi-stage locking structure.

Electric bicycles must be equipped with batteries for driving, while traditional electric bicycles are mostly installed on the rear shelf of the vehicle body, or a socket is welded to an appropriate place on the vehicle body for battery placement. Taiwan Patent No. M316210 discloses an electric bicycle, which includes a frame and a power supply device. The frame is provided with a accommodating slot for accommodating the power supply device, wherein the accommodating slot can be formed in the middle tube or It's the upper tube. However, the disassembly and assembly of its battery module is not convenient for users, so further improvement is needed.

The existing structure for fixing the battery uses a mechanical structure with a fixed size. When assembling the battery in the bicycle, if the matching size exceeds the original design value, the battery may not be completely fixed, causing the battery to become loose. When the battery is loose, it may further cause poor contact between the charging and discharging connectors, which may cause damage to the battery.

In addition, when assembling and disassembling the battery, it is often encountered that the battery is dropped at a time or the battery is removed with two hands at a time, which makes it impossible to effectively and conveniently handle the battery, causing the battery to fall on the ground and cause damage to the battery. . In view of this, there is a need for an improved locking structure and electric bicycle frame.

According to an embodiment of the present invention, an objective is to provide a locking structure and an electric bicycle frame, which are convenient for locking the battery module. Another object of an embodiment of the present invention is to provide a locking structure and an electric bicycle frame, in which a first engaging portion and a second engaging portion are formed on the battery module, and the engaging member is locked on the second When the two engaging parts are engaged, the key module is kept in a locked state.

According to an embodiment of the present invention, a locking structure is provided for locking a battery module. According to another embodiment of the present invention, an electric bicycle frame is provided, which includes a tube body, a battery module, and a locking structure. The tube body includes a battery accommodating space. The battery module is used to be arranged in the battery accommodating space of the tube body, and includes a first engaging portion and a second engaging portion. The locking structure is located at one end of the tube body.

Wherein, the locking structure is used for locking a battery module, and the battery module includes a first engaging portion and a second engaging portion. The locking structure includes a lock body, a locking piece, an elastic element, and a key module. The lock piece is arranged on the lock body and includes an engaging piece. The elastic element is arranged on the lock body and the locking element, and the elastic element is used for applying an elastic force to the locking element. Key module, fixed The lock body includes a key and a lock head. The key is used to move the lock head and move the lock head to a locked state or an unlocked state. When the engaging element is in the first engaging portion, the elastic element provides the elastic force to make the engaging element engage with the first engaging portion. When the key module is locked in the locked state and the engaging member is locked on the second engaging portion, the lock head locks the locking member so that the locking member cannot pass through the second engaging portion, and In a state where the lock head is moved by the key and separated from the lock member, the lock member can generate displacement to deform the elastic element and pass through the second engaging portion.

In one embodiment, the locking member further includes a paddle connected to the engaging member, so that the user can pull the paddle to deform the elastic element and displace the engaging member.

In one embodiment, the lock body includes a first guiding structure, and the shape and position of the first guiding structure are respectively matched with the shape and position of a second guiding structure of the battery module for guiding Lead the movement of the battery module. Preferably, the first guiding structure is a protruding structure, the paddle defines a through hole, and the protruding structure passes through the through hole, and when the elastic element is deformed, the protruding structure Protruding the pick, when the elastic element is not deformed, the protruding structure does not protrude the pick. In one embodiment, the second guiding structure is a groove.

In one embodiment, the lock body defines a limiting slot, and the locking member further includes a limiting rod for inserting into the limiting slot, so that the limiting rod can move in the limiting slot.

In one embodiment, the first engaging portion and the second engaging portion are formed on a top surface of the battery module, the first engaging portion is a groove recessed from the top surface, and the second engaging portion The part is a protrusion protruding from the top surface of the locking structure, and when the engaging member is locked in the second engaging part, the elastic force of the elastic element makes the engaging member abut against the top surface.

In one embodiment, when the engaging member abuts on the top surface, a gap remains between the pick and the top surface.

In an embodiment of the present invention, the deformation and restoring force characteristics of the elastic element are used as a two-stage fixing structure on the battery module. In the second-stage fixing state, the key module remains locked and the card The fastener is locked in the second engaging portion, and the lock head is locked to the locking member, so that the locking member cannot pass through the second locking portion, so that the locking structure and the battery module are locked in the second stage of fixation The structure can prevent the battery module from falling directly.

200‧‧‧E-bike rack

210‧‧‧Tube body

231‧‧‧Battery storage space

251‧‧‧Down tube

252‧‧‧Riser

253‧‧‧Upper tube

254‧‧‧Head tube

291‧‧‧Positioning seat

292‧‧‧Battery connector

421‧‧‧Clip

424‧‧‧Limit rod

424a‧‧‧Guide groove

425‧‧‧Pickles

428‧‧‧through hole

429‧‧‧Third guide surface

430‧‧‧Elastic element

431‧‧‧Spring

432‧‧‧Spring housing space

295‧‧‧Fixed components

300‧‧‧Battery Module

310‧‧‧Groove

321‧‧‧The first engaging part

322‧‧‧Second engagement part

341‧‧‧Outer side

342‧‧‧Inside

343‧‧‧Top surface

349‧‧‧Second guide surface

400‧‧‧Locking structure

410‧‧‧Lock body

411‧‧‧Protrusion structure

412‧‧‧Upper body

413‧‧‧Lower body

414‧‧‧Limiting slot

415‧‧‧fixing hole

416‧‧‧fixing hole

417‧‧‧accommodating space

420‧‧‧Lock firmware

440‧‧‧Key Module

443‧‧‧Key

445‧‧‧Lock

447‧‧‧Key port

450‧‧‧Screw

452‧‧‧screw

453‧‧‧Guide screw

454‧‧‧Fourth guide surface

454b‧‧‧Fourth guide surface

455‧‧‧Fifth guide surface

455b‧‧‧Fifth guide surface

461‧‧‧First engagement surface

800‧‧‧Combination base

811‧‧‧Positioning shaft

812‧‧‧Pipe connector

911‧‧‧Ontology

912‧‧‧Positioning Department

913‧‧‧location space

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

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

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

Fig. 3A shows a perspective view of a locking structure according to an embodiment of the present invention.

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

4A shows a schematic diagram of a first state in which the battery module is installed on the tube body according to an embodiment of the present invention.

4B shows a perspective view of the locking structure and the battery module according to an embodiment of the present invention.

4C shows a schematic diagram of a second state in which the battery module is installed on the tube body according to an embodiment of the present invention.

4D shows a schematic diagram of a third state in which the battery module is installed on the tube body according to an embodiment of the present invention.

4E shows a schematic diagram of a fourth state in which the battery module is installed on the tube body according to an embodiment of the present invention.

4F shows a schematic diagram of a fifth state in which the battery module is installed on the tube body according to an embodiment of the present invention.

FIG. 5A shows a perspective view of a locking structure and a battery module according to another embodiment of the present invention.

5B shows a schematic diagram of a third state where the battery module is installed on the tube body in the embodiment of FIG. 5A of the present invention.

FIG. 1 shows an exploded view of a locking structure, a battery module, and a combined base according to an embodiment of the present invention. As shown in FIG. 1, the locking structure 400 and the combined 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 set in the electric A first end of the pool module 300. In this embodiment, the body 911 of the positioning seat 291 is formed in a plate shape, and is fixed to the first end of the battery module 300 by 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 on 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 present invention. As shown in FIG. 2A, the electric bicycle frame 200 includes a plurality of tubes connected to each other. For example, it includes a lower tube 251, a riser tube 252 and an upper tube 253. The two ends of the down tube 251, the riser tube 252, and the upper tube 253 are connected to each other. In more detail, 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 body according to another embodiment of the present invention. As shown in FIG. 2B, the tube body 210 includes a battery accommodating space 231 whose opening faces downward. The combined base 800 and the locking structure 400 are respectively provided at two ends of the tube body 210. The locking structure 400 is located on the upper side of the tube body 210 (or the battery accommodating space 231), and the combined base 800 is located on the lower side of the tube body 210 (or the battery accommodating space 231). The combined 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 end of the battery 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 be inserted into the battery accommodating space 231 of the tube body 210 Inside. Preferably, after the positioning base 291 is combined with the combined 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 main 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 provided on both sides of a surface of the main body 911. The positioning portion 912 defines a positioning space 913. Preferably, the positioning space 913 is a curved space. In this embodiment, the combined base 800 includes at least one positioning shaft 811, and preferably the number of positioning shafts 811 is two. The outer circumference of the positioning shaft 811 is a curved surface, and the shape of the positioning shaft 811 matches the shape of the curved space of the positioning space 913. After the positioning seat 291 is combined with the positioning shaft 811, the battery module 300 can be inserted into the accommodating space of the tube body 210 by rotating the battery module 300, and the locking structure 400 is used to fix the battery module 300 so that the battery Module 300 will not fall.

Fig. 3A shows an exploded view of a locking structure according to an embodiment of the present invention. FIG. 3B shows an exploded view of the key module according to an embodiment of the invention. Hereinafter, referring to FIGS. 3A and 3B, a locking structure 400 according to an embodiment of the present invention will be described. The locking structure 400 includes a lock body 410, a locking piece 420, an elastic element 430, and a key module 440. The lock body 410 includes a protruding structure 411, an upper body 412 and a lower body 413. The protruding structure 411 is disposed on the upper body 412. Both the upper body 412 and the lower body 413; or the lower body 413 alone, define an accommodating space 417 for accommodating the key module 440. The key module 440 is formed with a key port 447, a key 443, and a lock 445. After the key 443 is inserted into the key port 447, the lock 445 is connected to control the displacement of the lock 445, so as to switch the locked state or the unlocked state of the locking structure 400.

As shown in FIG. 3B, a fixing hole 415 is formed on one end of the main body of the key module 440. Lock The structure 400 further includes a screw 450. The screw 450 passes through the fixing hole 415 and is screwed to the screw hole of the lower body 413 to fix the key module 440 to the lower body 413. A fixing hole 416 is formed on the upper body 412. The screw 452 passes through the fixing hole 416 and is tightened to another screw hole of the lower body 413 to fix the upper body 412 on the lower body 413.

As shown in FIG. 3B, the elastic element 430 is disposed between the locking member 420 and the lock body 410, and the locking member 420 is relatively movably disposed on the lock body 410, so that the elastic member 430 is compressed or rebounded. In an embodiment, the elastic element 430 may be a spring 431, and the upper body 412 defines a spring accommodating space 432, and at least a part of the elastic element 431 is received in the spring accommodating space 432, which can prevent the spring 431 from skewing , The elastic effect of the elastic element 430 is reduced. In one embodiment, the locking member 420 further includes at least one limiting rod 424, the lock body 410 defines at least one limiting slot 414, the limiting rod 424 is inserted into the limiting slot 414, so that the limiting rod 424 is limited to Move in the limit slot 414. In one embodiment, the limiting rod 424 defines a guiding groove 424a, and the guiding screw 453 is screwed to the lower body 413 in a state of being inserted into the guiding groove 424a. The guide screw 453 serves as a guide and can move along the guide groove 424a, so that the locking member 420 can move stably relative to the lock body 410.

3B again, the locking member 420 includes a paddle 425. When the locking structure 400 is installed on the tube body 210, the free end of the paddle 425 protrudes from the outer side surface 341 of the tube body 210 or the battery module 300. (As shown in Figure 4A) for the user to toggle. The locking member 420 further includes an engaging member 421, and the shapes of the engaging member 421 and the first engaging portion 321 are matched with each other so as to be able to be mutually engaged. In one embodiment, a first guiding surface 451 is formed on the front side of the paddle 425, which may be an inclined surface. battery The top surface 343 of the module 300 forms a second guiding surface 349 near the inner side surface 342 (as shown in FIG. 4A described later). Preferably, a third guiding surface 429 is also formed on the outer side of the engaging member 421. The shapes of the first guiding surface 451 and the second guiding surface 349 are matched with each other, so that the locking structure 400 and the battery module 300 can contact with each other smoothly. Moreover, the shapes of the third guiding surface 429 of the engaging member 421 and the second guiding surface 349 of the battery module 300 are matched with each other, so that the engaging member 421 and the battery module 300 can be in smooth contact with each other.

In one embodiment, the pick 425 defines a through hole 428. The protruding structure 411 is inserted into the through hole 428. Preferably, when the elastic element 430 is not deformed (e.g., not compressed), the protruding structure 411 does not protrude from the pick 425, and when the elastic element 430 is deformed (e.g., When compressed), the protruding structure 411 protrudes from the pick 425. Such a design can prevent the bump structure 411 from being damaged by collision and losing its guiding function.

4A shows a schematic diagram of a first state in which the battery module is installed on the tube body according to an embodiment of the present invention. As shown in FIG. 4A, when installing the battery module 300 on the tube body 210 (as shown in FIG. 2B), the positioning portion 912 of the battery module 300 is first combined with the positioning shaft 811 of the assembly base 800 of the tube body 210. And rotate the battery module 300 to rotate in the direction of the battery accommodating space 231.

4B shows a perspective view of the locking structure and the battery module according to an embodiment of the present invention. As shown in FIG. 4B, the lock body 410 includes a protruding structure 411 (first guiding structure). A groove 310 (a second guiding structure) and a first engaging portion 321 are formed on a top surface of the battery module 300. Please at the same time 4A and 4B, in the process of making the battery module 300 into the battery accommodating space 231 of the tube body 210, the first guiding surface 451 of the paddle 425 is in contact with the second guiding surface 349 of the battery module 300 , The battery module 300 continues to advance, and the elastic element 430 is deformed (in this embodiment, the spring 431 is compressed), the protrusion structure 411 of the locking structure 400 slides into the groove 310 of the battery module 300, and the locking structure 400 The protruding structure 411 advances along the groove 310. Then, enter the second state to the fifth state in sequence. After the battery module 300 enters the battery accommodating space 231 of the tube body 210, the shapes of the engaging member 421 and the first engaging portion 321 are matched with each other. It is snapped together to fix the battery module 300.

As shown in FIG. 4B, the second engaging portion 322 is formed in a protruding structure on the top surface 343, and the second engaging portion 322 includes a fourth guide surface (inclined surface) 454, and the fourth guide surface 454 is connected to Between the top of the second engaging portion 322 and the top side of the second guiding surface 349.

FIG. 5A shows a perspective view of a locking structure and a battery module according to another embodiment of the present invention. The embodiment in FIG. 5A is similar to the embodiment in FIG. 4B, so the same components use the same structure, and related descriptions are omitted. As shown in FIG. 5A, the second engaging portion 322 is formed in a convex structure on the top surface 343, and a fourth guiding surface (inclined surface) 454b of the second engaging portion 322 is connected to the fourth guiding surface 454b Between the top end of the second engaging portion 322 and the top surface 343, and not far from the top side of the second guiding surface 349.

4C shows a schematic diagram of a second state in which the battery module is installed on the tube body according to an embodiment of the present invention. FIG. 4D shows a third state of installing the battery module on the tube body according to an embodiment of the present invention Schematic diagram. 4E shows a schematic diagram of a fourth state in which the battery module is installed on the tube body according to an embodiment of the present invention. 4F shows a schematic diagram of a fifth state in which the battery module is installed on the tube body according to an embodiment of the present invention. Hereinafter, referring to FIGS. 4C-4F, the method of installing the battery module on the tube body of this embodiment will be described.

The opening of the battery accommodating space 231 of the tube body 210 faces downward, and the battery module 300 rotates upward. In this embodiment, as shown in FIGS. 4B and 4C, the locking structure 400 is in an unlocked state. When the locking structure 400 is in contact with the battery module 300, the elastic element 430 in the locking structure 400 (as shown in FIG. 3B) ) Begins to deform (for example, compress), so that the protruding structure 411 of the locking structure 400 advances along the groove 310.

In one embodiment, the user can hold the battery with the first hand (for example, the right hand), and then use the other fingers of the second hand (for example, the left hand) to slightly pull the pick 425 of the locking member 420 to lock the battery. The fastener 420 compresses the spring, so that the engaging member 421 of the fastener 420 enters the top surface 343 of the battery module 300 and can move smoothly on the top surface 343 of the battery module 300.

A second engaging portion 322 is formed on the top surface 343 of the battery module 300 and a fourth guiding surface 454 is formed. As shown in FIG. 4C, the shapes of the third guide surface 429 of the engaging member 421 and the fourth guide surface 454 of the second engaging portion 322 are matched with each other, so that the engaging member 421 can smoothly pass through the second card. The fourth guiding surface 454 of the engaging portion 322 simultaneously deforms (compresses) the elastic element 430 and reaches the top end of the second engaging portion 322. At this time, the locking structure 400 is still in an unlocked state.

5A again, the shape of the third guide surface 429 of the engaging member 421 and the fourth guide surface 454b of the second engaging portion 322 are matched with each other, so that the engaging member 421 can smoothly pass through the second card The fourth guide surface 454b of the joint 322. The difference between the embodiment of FIG. 5A and the embodiment of FIG. 4B is that the size of the second engaging portion 322 is different, and more specifically, the size of the fourth guiding surfaces 454 and 454b is different. The rotation process of the battery module 300 in the embodiment in FIG. 4B is relatively smooth, while in the embodiment in FIG. 5A, a greater force is required at the second engaging portion 322, and there will be a noticeable pause.

As shown in FIG. 4D, after the engaging member 421 passes through the top end of the second engaging portion 322, the elastic element 430 partially and gradually recovers (rebounds), so that the engaging member 421 contacts the fifth engaging portion 322.导引面455。 Guide surface 455. At this time, the user uses the key 443 to engage the lock head 445 with the first engaging surface 461 of the paddle 425, so that the locking structure 400 is in a locked state. Then, the user continues to rotate the battery module 300 upward, so that the engaging member 421 continues to advance on the top surface 343. In an embodiment, such as the embodiment in FIG. 5B, the locking structure 400 may be in a locked state when the engaging member 421 contacts the top surface 343 of the battery module 300.

As shown in FIG. 4E, when the engaging member 421 advances to the first engaging portion 321 on the top surface 343, the elastic element 430 further returns to its original shape, allowing the engaging member 421 to advance in the direction of the first engaging portion 321. As shown in FIG. 4F, when the battery module 300 is rotated to the position where the engaging member 421 and the first engaging portion 321 are engaged, the engaging member 421 and the first engaging portion 321 will be mutually engaged. In this embodiment, the engaging member 421 is a protrusion and the first engaging portion 321 is a groove, which is recessed from the top surface 343 toward the bottom side of the battery module 300. In addition, by the restoring force of the elastic element 430, the engaging member 421 is trapped in the first engaging portion 321 Snap inside and out of each other. At this time, the elastic force of the elastic element 430 presses the engaging member 421 to maintain the state of being trapped in the first engaging portion 321 without loosening the battery module 300. At this time, the lock 445 is still in a locked state.

Hereinafter, the sequence of disassembling the battery module 300 will be described. The disassembling sequence of the battery module 300 is from the fifth state to the first state. When starting to disassemble the battery module 300, the lock 445 is kept in a locked state. As shown in FIG. 4F (the fifth state), when the battery module 300 is to be disassembled, the user pulls the paddle 425 upward to deform the elastic element 430 (specifically, the spring 431 is compressed), so that the engaging member 421 is disengaged The first engaging portion 321, that is, the first fixing mechanism, is in an unlocked state.

As shown in FIG. 4E (fourth state), when the pick 425 is pulled to the engagement position between the first engagement surface 461 and the lock head 445, it cannot move any more. At this time, the battery module 300 rotates downward due to its own weight, so that the engaging member 421 is moved on the top surface 343. In the embodiment of FIG. 4B, the fifth guiding surface 455 of the second engaging portion 322 is connected to the top surface 343, and preferably smoothly extends or transitions to the first engaging portion 321. According to this embodiment, after the engaging member 421 moves on the fifth guide surface 455 (the third state), since the fifth guide surface 455 is an inclined surface, the elastic element 430 is slowly deformed, so the engaging member 421 will Slowly move to the second engaging portion 322, so that it will not fall off quickly.

According to an embodiment of the present invention, as shown in FIG. 5B (the third state), the second engaging portion 322 is a protrusion that protrudes outward from the top surface 343 or toward the locking structure 400. The battery module 300 continues to rotate, and the engaging member 421 continues to move on the top surface 343 until the engaging member 421 is locked by the second engaging portion 322. Law moves again. At this time, the second stage of the fixing mechanism is in a locked state, and the lock 445 restricts the movement of the pick 425, which can prevent the battery module 300 from falling directly. The difference between the embodiment in FIG. 5A and the embodiment in FIG. 4B is that the size of the second engaging portion 322 is different, and more specifically, the size of the fifth guide surfaces 455 and 455b is different. The rotation process of the battery module 300 in the embodiment in FIG. 4B is relatively smooth, while in the embodiment in FIG. 5A, a greater force is required at the second engaging portion 322, and there will be a noticeable pause.

In the fourth state, the key 443 is inserted into the key port 447, and the key 443 is rotated to displace the lock head 445, which will switch to the unlocked state of the locking structure 400 and enter the third state. As shown in FIG. 4C, in the unlocked state, the paddle 425 can move while deforming the elastic element 430 (the spring 431 is compressed), and the engaging member 421 climbs up the fifth guide surface 455 (or The fifth guiding surface 455b) reaches the vertex of the second engaging portion 322 and enters the second state.

After the engaging member 421 passes through the first engaging portion 321, it moves on the top surface 343 or the fourth guide surface 454 until the battery module 300 is separated from the tube body 210 and enters the first state, completing the operation of disassembling the battery module 300 .

As mentioned above, in an embodiment of the present invention, the characteristics of the deformation and restoring force of the elastic element 430, more specifically, the use of the compressible and resilient characteristics of the spring 431 to form a two-stage fixing structure on the battery module 300 In the first stage, the paddle 425 is first displaced, and the spring 431 is compressed, so that the engaging member 421 is separated from the first engaging portion 321, and the locking structure 400 and the battery module 300 are separated from the first fixed structure. Subsequently, the battery module 300 itself is used to fall down, and the spring 431 exerts its resilience characteristic to make The engaging member 421 abuts against the top surface 343 or the fifth guiding surface 455 of the battery module 300 and moves on the top surface 343 or the fourth guiding surface 454 until it is locked at at least a part of the second engaging portion 322. For example, the bottom end of the second engaging portion 322, the fifth guide surface 455 of the second engaging portion 322, or the top end of the second engaging portion 322 enable the locking structure 400 and the battery module 300 to be locked in The second fixing structure can prevent the battery module 300 from falling directly. At this time, the lock 445 is used to restrict the movement of the paddle 425, and the spring 431 cannot be compressed. When the second-stage fixing structure is to be unlocked, the key 443 needs to be used to unlock, so that the paddle 425 can be moved and the spring 431 is compressed again, and then the second-stage fixing structure can be separated, and the battery module 300 can be taken out. With this design, it is possible to prevent the battery module 300 from falling directly, causing damage to the battery module 300 or hitting the user.

321‧‧‧The first engaging part

322‧‧‧Second engagement part

341‧‧‧Outer side

342‧‧‧Inside

343‧‧‧Top surface

349‧‧‧Second guide surface

400‧‧‧Locking structure

421‧‧‧Clip

425‧‧‧Pickles

429‧‧‧Third guide surface

445‧‧‧Lock

454‧‧‧Fourth guide surface

455‧‧‧Fifth guide surface

Claims (12)

A locking structure for locking a battery module. The battery module (300) includes a first engaging portion (321) and a second engaging portion (322). The locking structure (400) includes ：A lock body (410); a locking member (420) arranged on the lock body (410) and including an engaging member (421); an elastic element (430) arranged on the lock body (410) and the The locking member (420), and the elastic element (430) is used to apply an elastic force to the locking member (420); and a key module (440) fixed to the lock body (410) and including a key ( 443) and a lock (445). The key (443) is used to move the lock (445) and move the lock (445) to a locked state or an unlocked state, wherein the card When the engaging member (421) is in the first engaging portion (321), the elastic element (430) provides the elastic force to make the engaging member (421) engage with the first engaging portion (321), and the When the key module (440) is locked in the locked state and the engaging member (421) is locked on the second engaging portion (322), the lock head (445) is locked on the locking member (420), so that the The lock member (420) cannot pass through the second engaging portion (322), and when the lock head (445) is moved by the key (443) and is out of the lock member (420), the lock member (420) The elastic element (430) can be displaced to deform and pass through the second engaging portion (322). The locking structure according to claim 1, wherein the locking member (420) further includes a paddle (425), and the paddle (425) is connected to the engaging member (421), so that the user can pull the The pick (425) causes the elastic element (430) to deform, and the engaging member (421) is displaced. The locking structure according to claim 2, wherein the lock body (410) includes a first guiding structure, and the shape and position of the first guiding structure are respectively matched with one of the battery module (300) The shape and position of the second guiding structure are used to guide the movement of the battery module (300). The locking structure according to claim 3, wherein the first guiding structure is a protruding structure (411), the paddle (425) defines a through hole (428), and the protruding structure (411) Pass through the through hole (428), and when the elastic element (430) is deformed, the protrusion structure (411) protrudes from the pick (425), and when the elastic element (430) is not deformed, the protrusion The structure (411) does not protrude the pick (425). The locking structure according to claim 1 or 2, wherein the lock body (410) defines a limiting slot (414), and the locking member (420) further includes a limiting rod (424) for inserting in In the limiting slot (414), the limiting rod (424) can move in the limiting slot (414). An electric bicycle rack, comprising: a tube body (210) containing a battery accommodating space (231), a battery module (300) for the battery accommodating space (231) provided in the tube body (210) ), and includes a first engaging portion (321), a second engaging portion (322), and a locking structure (400), located at one end of the tube body (210), and including: a lock body (410); A locking member (420) is arranged on the lock body (410) and includes an engaging member (421); an elastic element (430) is arranged on the lock body (410) and the locking member (420) ), and the elastic element (430) is used to apply an elastic force to the fastener (420); and A key module (440) is fixed to the lock body (410) and includes a key (443) and a lock head (445). The key (443) is used to move the lock head (445), and The lock head (445) is moved to a locked state or an unlocked state, wherein when the engaging member (421) is in the first engaging portion (321), the elastic element (430) provides the elastic force so that The engaging element (421) is engaged with the first engaging portion (321), in the locked state of the key module (440) and the engaging element (421) is engaged with the second engaging portion (322), the lock (445) locks the lock (420) so that the lock (420) cannot pass through the second engaging portion (322), and the lock (445) is blocked by the key (443) In the state of moving away from the locking member (420), the locking member (420) can generate displacement to deform the elastic element (430) and pass the second engaging portion (322). The electric bicycle frame according to claim 6, wherein the locking member (420) of the locking structure (400) further comprises: a pick (425), and the pick (425) is connected to the engaging member (421) ), so as to allow the user to pull the pick (425) to deform the elastic element (430) and cause the engaging member (421) to be displaced. The electric bicycle frame according to claim 7, wherein the first engaging portion (321) and the second engaging portion (322) are formed on a top surface (343) of the battery module (300), and the first engaging portion (321) and the second engaging portion (322) are formed on a top surface (343) of the battery module (300). An engaging portion (321) is a groove recessed from the top surface (343), and the second engaging portion (322) is a protrusion protruding from the top surface (343) to the locking structure (400), Moreover, when the engaging member (421) is locked on the second engaging portion (322), the elastic force of the elastic element (430) makes the engaging member (421) abut against the top surface (343). The electric bicycle rack according to claim 8, wherein when the engaging member (421) abuts on the top surface (343), a gap remains between the paddle (425) and the top surface (343). The electric bicycle rack according to claim 6 or 7, wherein the lock body (410) includes a first guiding structure, and the battery module (300) includes a second guiding structure, the first guiding structure The shape and position of the structure are respectively matched with the shape and position of a second guiding structure of the battery module (300), so that during the process of installing the battery module (300), the first guiding structure and the The second guiding structure is used to guide the movement of the battery module (300). The electric bicycle frame according to claim 10, wherein the first guiding structure is a protruding structure (411), the second guiding structure is a groove (310), and the paddle (425) defines A through hole (428), and the protruding structure (411) passes through the through hole (428), and when the elastic element (430) is deformed, the protruding structure (411) protrudes from the pick (425), When the elastic element (430) is not deformed, the protruding structure (411) does not protrude the pick (425). The electric bicycle frame according to claim 6 or 7, wherein the lock body (410) of the locking structure (400) defines a limit slot (414), and the lock of the locking structure (400) The firmware (420) further includes a limiting rod (424) for inserting into the limiting slot (414), so that the limiting rod (424) can move in the limiting slot (414).

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