Brake disc assembly, booster, and bicycle

Abstract

Disclosed in the present invention are a brake disc assembly, a booster, and a bicycle. The brake disc assembly comprises: a brake disc, coaxially arranged on a bicycle hub; a ring seat, coaxially arranged at one end of the brake disc; a gear disc rotatably arranged outside the ring seat, the gear disc and the ring seat being coaxial; a ratchet, mounted on the gear disc and provided with ratchet teeth; a pawl disc, coaxially arranged at the end of the brake disc close to the gear disc; and pawls, movably arranged on the pawl disc and engaged with the ratchet teeth. The present invention involves simple mounting and can improve the transmission efficiency.

Description

Disc assembly, booster and bicycle Technical Field

[0001] This invention relates to the field of bicycle technology, specifically to disc assembly, booster, and bicycle. Background Technology

[0002] Electric bicycles combine the functions of human-powered riding and electric motor assistance, providing riders with a more convenient and comfortable riding experience. The current assistance methods of electric bicycles mainly use electric motor-driven tires and chain drive. Electric motor-driven tires have low transmission efficiency, are prone to slipping when wet, and will accelerate tire wear. Chain drive is difficult to install, and over time the spokes will loosen. There is also a risk that the chain will fall off and get caught in the front wheel, causing a crash. In addition, this method is not very efficient.

[0003] Summary of the Invention

[0004] The purpose of this invention is to provide a disc assembly, a booster, and a bicycle that are easy to install and can improve transmission efficiency.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a disc assembly, comprising:

[0006] Disc brake disc, wherein the disc brake disc is coaxially mounted on the bicycle hub;

[0007] A circular seat, which is coaxially disposed at one end of the disc brake disc;

[0008] A gear disk, rotatably disposed outside the annular seat, the gear disk and the annular seat being coaxial;

[0009] A ratchet, which is mounted on the gear disk and has ratchet teeth;

[0010] A ratchet disc, wherein the ratchet disc is coaxially disposed at one end of the disc brake disc near the gear disc;

[0011] A pawl, wherein the pawl is movably mounted on the pawl disc and engages with the ratchet teeth;

[0012] A reed, the reed being mounted on the ratchet disc, with one end of the reed abutting against the ratchet;

[0013] Specifically, when the gear sprocket rotates around the axis of the bicycle hub and the direction of rotation is the same as the direction of rotation of the bicycle wheel when it is moving forward, the pawl and the ratchet teeth are always engaged.

[0014] Furthermore, a bearing is connected between the gear disk and the annular seat, and a retaining ring is installed on the gear disk to limit the bearing.

[0015] Furthermore, a conical surface is provided on the side of the gear disc away from the disc brake disc.

[0016] An assist device using the above-described disc assembly includes:

[0017] A detachable fastener, wherein the detachable fastener is detachably mounted on the bicycle frame;

[0018] A support assembly, which is detachably mounted on the detachable fastener;

[0019] A drive assembly, which is mounted on the support assembly and drives the gear disk to rotate;

[0020] A power supply assembly connected to the drive assembly.

[0021] Furthermore, the detachable fastener includes:

[0022] A hanger, which is mounted on the bicycle's droppers via a quick-release lever;

[0023] A rear fork holder, wherein the rear fork holder is detachably mounted on the rear fork of a bicycle;

[0024] The rear fork bracket includes a first locking block and a second locking block, wherein the second locking block is detachably mounted on the first locking block.

[0025] Furthermore, the locking block is threaded with a first locking screw and a second locking screw.

[0026] Furthermore, the support component is a support box.

[0027] Furthermore, the driving component includes:

[0028] A drive motor is installed inside the support box;

[0029] A drive gear is fixed on the output shaft of the drive motor and meshes with the gear disk.

[0030] Furthermore, the power supply assembly includes a battery and a controller;

[0031] The battery and controller are both mounted on the support box;

[0032] Alternatively, the battery and controller can both be mounted on the bicycle frame;

[0033] Alternatively, either the battery or the controller may be mounted on the support box, and the other may be mounted on the bicycle frame.

[0034] Furthermore, the support box is equipped with a limit slider and a mechanical lock;

[0035] The mounting bracket is provided with a limiting groove, the locking block is provided with a mating part, the limiting slider is mated in the limiting groove, and the lock tongue of the mechanical lock is mated with the mating part.

[0036] Alternatively, the locking block is provided with a limiting groove, the mounting bracket is provided with a mating part, the limiting slider is mated in the limiting groove, and the bolt of the mechanical lock is mated with the mating part.

[0037] Furthermore, the support box is provided with a limit groove and a mechanical lock;

[0038] The mounting bracket is provided with a limiting slider, the locking block is provided with a mating part, the limiting slider is mated in the limiting groove, and the lock tongue of the mechanical lock is mated with the mating part;

[0039] Alternatively, the locking block is provided with a limiting slider, the mounting bracket is provided with a mating part, the limiting slider is mated in the limiting groove, and the locking tongue of the mechanical lock is mated with the mating part.

[0040] Furthermore, the support box is provided with a limit slider and a mating part;

[0041] The mounting bracket is provided with a limiting groove, the locking block is provided with a mechanical lock, the limiting slider is fitted in the limiting groove, and the locking tongue of the mechanical lock is fitted with the mating part.

[0042] Alternatively, the locking block is provided with a limiting groove, the hanger is provided with a mechanical lock, the limiting slider is fitted in the limiting groove, and the locking tongue of the mechanical lock is fitted with the mating part.

[0043] Furthermore, the support box is provided with a limiting groove and a mating part;

[0044] The mounting bracket is provided with a limit slider, the locking block is provided with a mechanical lock, the limit slider is fitted in the limit groove, and the locking tongue of the mechanical lock is fitted with the mating part.

[0045] Alternatively, the locking block is provided with a limiting slider, the hanger is provided with a mechanical lock, the limiting slider is fitted in the limiting groove, and the locking tongue of the mechanical lock is fitted with the mating part.

[0046] Furthermore, the detachable fastener includes a first fixing seat and a second fixing seat, both of which cover the outer wall of the bicycle front fork;

[0047] The first fixing seat and the second fixing seat are hinged to each other, and the first fixing seat and the second fixing seat are spliced ​​together by a quick-release rod.

[0048] Furthermore, the support assembly is a support plate, which is fixedly connected to the first fixing seat.

[0049] Furthermore, the driving component includes:

[0050] A drive motor, which is mounted on the support plate;

[0051] A drive gear is fixed on the output shaft of the drive motor and meshes with the gear disk.

[0052] Furthermore, the power supply assembly includes a battery and a controller;

[0053] The battery and controller are both mounted on the support plate;

[0054] Alternatively, the battery and controller can both be mounted on the bicycle frame;

[0055] Alternatively, either the battery or the controller may be mounted on the support plate, and the other may be mounted on the bicycle frame.

[0056] A bicycle includes a bicycle body on which the aforementioned power assist device is mounted.

[0057] Compared with the prior art, the beneficial effects achieved by the present invention are as follows.

[0058] 1. The booster of the present invention uses gear transmission, which, compared to tire-grinding boosters, does not accelerate tire wear; and compared to boosters that use chains as transmission components, it does not have the risk of chain detachment or breakage, or design defects such as loosening of spokes. At the same time, the gear transmission efficiency is also higher than that of chain transmission.

[0059] 2. Compared with traditional electric-assist bicycles on the market, such as those with front-mounted hub motors, rear-mounted hub motors, and mid-mounted motors, the drive components of this invention can be quickly and easily disassembled and assembled, allowing users to freely switch between bicycles and electric-assist bicycles according to their own conditions at the time.

[0060] 3. The booster of this invention can be used to assist the front or rear wheel of a bicycle. In addition, two boosters can be installed to assist both the front and rear wheels of a bicycle simultaneously, so as to meet different usage needs.

[0061] 4. The booster of the present invention has high safety, few design defects, and high energy transfer efficiency. Attached Figure Description

[0062] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0063] Figure 1 is an exploded view of the entire embodiment of the present invention.

[0064] Figure 2 is a schematic diagram of the first embodiment of the present invention in conjunction with a bicycle wheel.

[0065] Figure 3 is a schematic diagram of an overall cross-sectional structure of an embodiment of the present invention.

[0066] Figure 4 is a magnified structural diagram of region A in Figure 3 of this invention.

[0067] Figure 5 is a schematic diagram of the disc brake installation according to Embodiment 1 of the present invention.

[0068] Figure 6 is a schematic diagram of the pawl installation in Embodiment 1 of the present invention.

[0069] Figure 7 is a magnified structural diagram of region B in Figure 6 of this invention.

[0070] Figure 8 is a schematic diagram of the ratchet and gear disk cooperation in Embodiment 1 of the present invention.

[0071] Figure 9 is a schematic diagram of the ratchet and pawl engagement in Embodiment 1 of the present invention.

[0072] Figure 10 is a schematic diagram of the structure of the second embodiment of the present invention in conjunction with a bicycle.

[0073] Figure 11 is a schematic diagram of the structure from another angle in Embodiment 2 of the present invention.

[0074] Figure 12 is a schematic diagram of the installation of the detachable fastener, support assembly, drive assembly, and power supply assembly according to Embodiment 2 of the present invention.

[0075] Figure 13 is a schematic diagram of the detachable fixing component and support assembly in embodiment two of the present invention.

[0076] Figure 14 is a schematic diagram of the hanging structure in Embodiment 2 of the present invention.

[0077] Figure 15 is a schematic diagram of the fifth embodiment of the present invention in conjunction with a bicycle.

[0078] Figure 16 is a schematic diagram of the detachable fastener, support assembly, drive assembly, and power supply assembly in Embodiment 5 of the present invention.

[0079] In the diagram: 1. Disc brake disc; 11. Positioning hole; 12. Circular seat; 2. Gear disc; 21. Conical surface; 22. Ratchet; 221. Racket tooth; 222. Protrusion; 23. Circular groove; 24. Slot; 3. Bearing; 31. Snap ring; 4. Pad disc; 41. Positioning pin; 42. Pad; 421. Engaging part; 422. Mounting part; 43. Spring; 5. Detachable fastener; 51. Mounting bracket; 52. Rear fork mounting bracket; 521. Locking block one; 5 211. First locking screw; 5212. Second locking screw; 522. Second locking block; 53. Mating part; 54. Limiting slide groove; 55. First fixing seat; 56. Second fixing seat; 6. Support assembly; 61. Support box; 611. Limiting slider; 612. Mechanical lock; 63. Support plate; 7. Drive assembly; 71. Drive gear; 72. Drive motor; 8. Quick release lever; 9. Power supply assembly; 91. Battery; 92. Controller. Detailed Implementation

[0080] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0081] Please refer to Figures 1-9. The present invention provides a technical solution comprising: a disc brake disc 1 coaxially mounted on a bicycle hub, the disc brake disc 1 being fixedly mounted on the bicycle hub by multiple hexagonal socket screws; a circular ring seat 12 coaxially disposed at one end of the disc brake disc 1 near the bicycle spokes, the circular ring seat 12 being detachably mounted on the disc brake disc 1, specifically, the circular ring seat 12 being fixedly mounted on the disc brake disc 1 by multiple hexagonal socket screws, and the circular ring seat 12 having a chamfer to prevent interference between the circular ring seat 12 and the bicycle spokes; A gear disk 2 is provided on the outside of the ring seat 12. A bearing 3 is connected between the gear disk 2 and the ring seat 12. The outer ring of the bearing 3 is fixedly connected to the gear disk 2, and the inner ring of the bearing 3 is fixedly connected to the ring seat 12. A conical surface 21 is provided on the side of the gear disk 2 away from the disc brake disc 1. The conical surface 21 is adapted to the tilt angle of the bicycle spokes. A retaining spring 31 is installed on the gear disk 2. One end of the retaining spring 31 abuts against one end of the bearing 3, and a part of the gear disk 2 abuts against the other end of the bearing 3, thereby limiting the bearing 3.

[0082] The gear disk 2 is provided with an annular groove 23, and a ratchet 22 is coaxially arranged in the annular groove. The outer ring surface of the ratchet 22 fits against the groove wall of the annular groove 23. Multiple ratchet teeth 221 are evenly distributed on the inner ring of the ratchet 22. Multiple protrusions 222 are provided on the outer ring surface of the ratchet 22, and multiple slots 24 that are adapted to the protrusions 222 are provided on the gear disk 2. The slots 24 are connected to the annular groove 23. The number of protrusions 222 and slots 24 are equal and their positions correspond. Each protrusion 222 is respectively engaged in the corresponding slot 24.

[0083] A ratchet disc 4 is coaxially mounted on one end of the disc brake disc 1 near the gear disc 2. The ratchet disc 4 is connected to the disc brake disc 1 by an internal hex screw and is located inside the annular groove 23. At the same time, multiple positioning pins 41 are provided on the end of the ratchet disc 4 near the disc brake disc 1. The multiple positioning pins 41 are evenly distributed circumferentially along the axial direction of the ratchet disc 4. The disc brake disc 1 is provided with multiple positioning holes 11. The number of positioning pins 41 and positioning holes 11 are equal and their positions correspond. Each positioning pin 41 is respectively fitted into the corresponding positioning hole 11. The connection strength between the ratchet disc 4 and the disc brake disc 1 is improved through the cooperation of the positioning pins 41 and the positioning holes 11.

[0084] Multiple pawls 42 are provided on the pawl disc 4. Each pawl 42 consists of an engaging part 421 and a mounting part 422. The engaging part 421 engages with the ratchet teeth 221. The mounting part 422 is movably disposed on the pawl disc 4. Specifically, the surface of the mounting part 422 that cooperates with the pawl disc 4 is a convex surface, while the surface of the pawl disc 4 that cooperates with the mounting part 422 is a concave surface. Both the convex and concave surfaces are non-complete circumferential surface structures, and the convex surface can rotate within the concave surface.

[0085] In addition, each pawl 42 has a corresponding spring 43 on one side. The spring 43 is mounted on the pawl disc 4, and one end of the spring 43 abuts against the meshing part 421 of the pawl 42. The surface of the spring 43 that mates with the pawl disc 4 is also set as a convex surface, while the surface of the pawl disc 4 that mates with the spring 43 is also set as a concave surface. The convex and concave surfaces are also non-complete circumferential surface structures.

[0086] In this embodiment, when the gear disc 2 remains stationary while the disc brake disc 1 rotates and the direction of rotation of the disc brake disc 1 is consistent with the direction of rotation of the bicycle wheel when it is moving forward, the pawl 42 can pass through each ratchet 221 in sequence; when the gear disc 2 is driven to rotate around the bicycle hub axis and the direction of rotation of the gear disc 2 is consistent with the direction of rotation of the bicycle wheel when it is moving forward, the pawl 42 and the ratchet 221 are always engaged, the ratchet wheel 22 drives the pawl 42 to rotate synchronously, thereby driving the pawl disc 4 and the disc brake disc 1 to rotate, which in turn drives the bicycle hub to rotate.

[0087] When braking is performed using the braking device built into the vehicle, the disc brake 1 is decelerated due to frictional resistance. That is, through the cooperation between the disc assembly and the drive assembly 7, normal braking is not affected.

[0088] Example 2

[0089] Please refer to Figures 1-14. This embodiment discloses a booster. The booster uses the disc assembly in Embodiment 1. The booster also includes a detachable fixing member 5, which is detachably mounted on the bicycle rear chain fork. A support assembly 6 is provided on the detachable fixing member 5, and a drive assembly 7 is provided on the support assembly 6. The drive assembly 7 is connected to a power supply assembly 9.

[0090] The detachable fastener 5 includes a hanger 51, which is mounted on one of the bicycle's droppers via a quick-release lever 8. Specifically, the quick-release lever 8 passes through the bicycle's rear hub, and the end of the quick-release lever 8 away from the handlebar passes through the other dropper and engages with a nut. By adjusting the nut and the handlebar of the quick-release lever 8, one end of the nut and one side of the hanger 51 are respectively pressed against the opposite sides of the two droppers, thus achieving the installation and fixation of the hanger 51. The detachable fastener 5 also includes a rear fork holder 52, which consists of a first locking block 521 and a second locking block 522. The second locking block 522 is connected to the first locking block 521 via an Allen screw, and the bicycle's rear chain fork is clamped between the first locking block 521 and the second locking block 522.

[0091] The locking block 521 is provided with a first locking screw 5211 and a second locking screw 5212. Both the first locking screw 5211 and the second locking screw 5212 are threadedly connected to the locking block 521. The end of the first locking screw 5211 abuts against the top of the bicycle rear chain fork, and the end of the second locking screw 5212 abuts against the side of the bicycle rear chain fork. The number of second locking screws 5212 is set to multiple. Since the bicycle rear chain fork is usually set at an angle, that is, the two bicycle rear chain forks are arranged in a V-shape, by setting multiple second locking screws 5212 to abut against the bicycle rear chain fork, it is easy to adapt to bicycle rear chain forks with different installation angles, thereby improving the stability of the rear fork holder 52 installation, and also facilitating the pre-installation of the rear fork holder 52 on the bicycle rear chain fork.

[0092] The support assembly 6 adopts a support box 61, on which a limit slider 611 is provided; a limit groove 54 is provided on the hanger 51, and the limit slider 611 is adapted to the limit groove 54. By fitting the limit slider 611 into the limit groove 54, the support box 61 can be installed; the limit groove 54 can be a dovetail groove, a T-groove, etc.

[0093] The locking block 521 is provided with a mating part 53, which can be an elongated hole, a round hole, or other irregular hole or groove structure. At the same time, a mechanical lock 612 is also provided on the support box 61. The locking tongue of the mechanical lock 612 is inserted into the locking groove. The mechanical lock 612 is a lock with a retractable locking tongue. By pressing or other means, the locking tongue of the mechanical lock 612 can be moved out from the mating part 53. In an alternative form, the mating part 53 can be a rod-shaped structure, and the mechanical lock 612 is an impact-type latch lock. The locking tongue of the mechanical lock 612 locks the mating part 53. When the locking tongue is pressed or impacted, the locking tongue can rotate or move, thereby facilitating the engagement or disengagement of the mechanical lock 612 and the mating part 53. This is prior art and will not be described in detail. The engagement of the mechanical lock 612 and the mating part 53 can achieve the limiting of the support box 61.

[0094] The drive assembly 7 includes a drive motor 72 installed in the support box 61. The output end of the drive motor 72 penetrates the support box 61 and is fitted with a drive gear 71. The drive gear 71 is fixedly connected to the output shaft of the drive motor 72 and meshes with the gear disk 2.

[0095] The power supply assembly 9 includes a battery 91, which provides power to drive the rotation of the motor 72. The power supply assembly 9 also includes a controller 92, which controls the starting and stopping, rotation direction, and speed of the motor 72. The battery 91 and the controller 92 can be installed in the support box 61. In an alternative embodiment, either the battery 91 or the controller 92 is installed in the support box 61, and the other is installed on the bicycle frame. In yet another alternative embodiment, both the battery 91 and the controller 92 are installed on the bicycle frame.

[0096] In this embodiment, the hanger 51 and rear fork bracket 52 can be pre-installed on the bicycle, and then the support box 61 is installed. When the bicycle is moving forward normally and the drive motor 72 is not working, the rear hub of the bicycle drives the disc brake disc 1 to rotate synchronously. The disc brake disc 1 drives the pawl disc 4 and the pawl 42 to rotate. During this process, the pawl 42 passes through each ratchet tooth 221 in sequence, and the ratchet 22 and the gear disc 2 do not rotate. When the drive motor 72 is working, the drive motor 72 drives the drive gear 71 to rotate, and the drive gear 71 drives the gear disc 2 to rotate. The rotation direction of the gear disc 2 is the same as that of the bicycle. When the bicycle wheels rotate in the same direction while moving forward, the pawl 42 and ratchet 221 are always engaged. The ratchet 22 drives the pawl 42 to rotate, which in turn drives the pawl disc 4 and disc brake disc 1 to rotate, thereby driving the rear hub of the bicycle to rotate, thus providing power assistance to the rear wheel of the bicycle. When the drive motor 72 is not working and the bicycle is moving backward, the disc brake disc 1 and pawl 42 rotate synchronously. Due to the action of the pawl 42 and ratchet 22, the pawl 42 drives the gear disc 2 to rotate, and the gear disc 2 also drives the drive gear 71 to rotate. At this time, the backward function of the bicycle is not affected.

[0097] This embodiment uses gear transmission, which results in higher transmission efficiency. Compared to tire-grinding boosters, it does not accelerate tire wear. Compared to boosters that use chains as transmission components, it avoids the risks of chain detachment or breakage, as well as design defects such as loosening of spokes. At the same time, the energy transmission efficiency of gears is higher than that of chain transmission.

[0098] Furthermore, in this embodiment, the support box 61 can be quickly and easily disassembled and assembled. When the support box 61 is removed, the drive assembly can be disassembled, thereby allowing the user to freely switch between a bicycle and an electric-assisted bicycle according to their own conditions at the time.

[0099] Implementation Three

[0100] Based on implementation two, this embodiment replaces the setting method of limiting slide 54 and mating part 53. The limiting slide 54 is set on the locking block 521 and the mating part 53 is set on the hanging base 51, which also facilitates the installation of the support box 61.

[0101] Implementation 4

[0102] Based on Implementation 2, this embodiment replaces the setting of the limiting slider 611, the limiting groove 54, the mating part 53, and the mechanical lock 612. That is, the limiting groove 54 and the mechanical lock 612 are set on the support box 61, the limiting slider 611 is set on the hanging seat 51, and the mating part 53 is set on the locking block 521.

[0103] Another alternative is to provide a limiting groove 54 and a mechanical lock 612 on the support box 61, a limiting slider 611 on the locking block 521, and a mating part 53 on the hanger 51.

[0104] Another alternative is to provide a limiting groove 54 and a mating part 53 on the support box 61, and a limiting slider 611 on the hanger 51, and a mechanical lock 612 on the locking block 521; yet another alternative is to provide a limiting groove 54 and a mating part 53 on the support box 61, and a mechanical lock 612 on the hanger 51, and a limiting slider 611 on the locking block 521.

[0105] Another alternative is to provide a limiting slider 611 and a mating part 53 on the support box 61, a limiting groove 54 on the hanger 51, and a mechanical lock 612 on the locking block 521; yet another alternative is to provide a limiting slider 611 and a mating part 53 on the support box 61, a mechanical lock 612 on the hanger 51, and a limiting groove 54 on the locking block 521; all of the above alternatives can facilitate the installation and limiting of the support box 61.

[0106] Example 5

[0107] Please refer to Figures 1-9, 15, and 16. This embodiment is based on Embodiment 1 and discloses another booster. This booster uses the disc assembly in Embodiment 1. The booster includes a detachable fixing member 5, which is detachably mounted on the bicycle front fork. A support assembly 6 is provided on the detachable fixing member 5, and a drive assembly 7 is provided on the support assembly 6. The drive assembly 7 is connected to a power supply assembly 9.

[0108] The detachable fastener 5 includes a first fixed seat 55 and a second fixed seat 56, which are hinged to each other. Both the first fixed seat 55 and the second fixed seat 56 cover the outer wall of the bicycle front fork, meaning the bicycle front fork is clamped between the first fixed seat 55 and the second fixed seat 56. The first fixed seat 55 and the second fixed seat 56 are joined together by a quick-release lever 8. Specifically, the end of the quick-release lever 8 away from the handle penetrates the second fixed seat 56 and is threaded onto the first fixed seat 55. Adjusting the handle can squeeze the second fixed seat 56, thereby clamping the bicycle front fork between the first fixed seat 55 and the second fixed seat 56, thus achieving the installation and fixation of the detachable fastener 5. In addition, the disc assembly (i.e., disc brake disc 1) is fixed to the bicycle front hub.

[0109] In this embodiment, the support component 6 is a support plate 63, which is fixedly connected to the first fixing seat 55.

[0110] In this embodiment, the drive assembly 7 includes a drive motor 72, which is mounted on a support plate 63. The output end of the drive motor 72 penetrates the support plate 63 and is fitted with a drive gear 71. The drive gear 71 is fixedly connected to the output shaft of the drive motor 72 and meshes with the gear disk 2.

[0111] In this embodiment, the power supply assembly 9 also includes a battery 91 and a controller 92, which can be mounted on the support plate 63; in an alternative form, either the battery 91 or the controller 92 is mounted inside the support plate 63, while the other is mounted on the bicycle frame; in yet another alternative form, both the battery 91 and the controller 92 are mounted on the bicycle frame.

[0112] In this embodiment, the bicycle front fork is clamped by the first fixing seat 55 and the second fixing seat 56 to achieve the installation and fixation of the detachable fixing part 5 and the support plate 63. When the bicycle is moving forward normally and the drive motor 72 is not working, the bicycle front hub drives the disc brake disc 1 to rotate synchronously. The disc brake disc 1 drives the pawl disc 4 and the pawl 42 to rotate. During this process, the pawl 42 passes through each ratchet 221 in sequence, and the ratchet 22 and the gear disc 2 do not rotate. When the drive motor 72 is working, the drive motor 72 drives the drive gear 71 to rotate, and the drive gear 71 drives the gear disc 2 to rotate. When the rotation direction of the gear disc 2 is consistent with the rotation direction of the wheel when the bicycle is moving forward, the pawl disc 4 and the disc brake disc 1 are driven to rotate, which in turn drives the bicycle front hub to rotate, thus achieving the assistance of the bicycle front wheel. When the drive motor 72 is not working and the bicycle is moving backward, the disc brake disc 1 and the pawl 42 rotate synchronously. Due to the action of the pawl 42 and the ratchet 22, the pawl 42 drives the gear disc 2 to rotate. At this time, the backward function of the bicycle is not affected.

[0113] In this embodiment, the first fixing seat 55 and the second fixing seat 56 are quickly fixed to the bicycle front fork by the quick-release lever 8. When the first fixing seat 55 and the second fixing seat 56 are removed, the support plate 63 and the drive assembly 7 can be disassembled, which also allows the user to freely switch between a bicycle and an electric-assist bicycle.

[0114] Example 6

[0115] Based on Embodiment 2, Embodiment 3, Embodiment 4 or Embodiment 5, this embodiment discloses a bicycle, including a bicycle body, on which an assist device as described in Embodiment 2, Embodiment 3, Embodiment 4 or Embodiment 5 is installed.

[0116] Example 7

[0117] Based on Embodiments 2, 3, 4, or 5, this embodiment discloses another type of bicycle, including a bicycle body. The bicycle body is equipped with the booster from Embodiments 2, 3, or 4, and the bicycle body is also equipped with the booster from Embodiment 5. This bicycle can provide assistance to both the front and rear wheels simultaneously through the two sets of boosters.

[0118] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0119] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A disc assembly, characterized by include: Disc brake disc (1), the disc brake disc (1) is coaxially mounted on the bicycle hub; A circular seat (12) is coaxially disposed at one end of the disc brake disc (1); Gear disk (2), the gear disk (2) is rotatably disposed outside the annular seat (12), the gear disk (2) and the annular seat (12) are coaxial; A ratchet (22) is mounted on the gear disk (2) and has ratchet teeth (221). A ratchet disc (4) is coaxially disposed at one end of the disc brake disc (1) near the gear disc (2); A pawl (42) is movably disposed on the pawl disc (4) and engages with a ratchet tooth (221); A reed (43) is mounted on the pawl disc (4), and one end of the reed (43) abuts against the pawl (42); When the gear disk (2) rotates around the axis of the bicycle hub and the direction of rotation is consistent with the direction of rotation of the wheel when the bicycle moves forward, the pawl (42) and the ratchet (221) are always engaged.

2. The disc pack assembly of claim 1 wherein, A bearing (3) is connected between the gear disk (2) and the annular seat (12), and a retaining ring (31) is installed on the gear disk (2) to limit the bearing (3).

3. The disc pack assembly of claim 1 wherein, The gear disk (2) has a conical surface (21) on the side away from the disc brake disk (1).

4. A booster using the disc assembly according to any one of claims 1 to 3, characterized by include: A detachable fastener (5) is detachably mounted on the bicycle frame; Support component (6), which is detachably mounted on the detachable fastener (5); A drive assembly (7) is mounted on the support assembly (6), and the drive assembly... The component (7) drives the gear disk (2) to rotate; A power supply component (9) is connected to the drive component (7).

5. The booster of claim 4, wherein The detachable fastener (5) includes: Hanger (51), which is mounted on the bicycle pawl via a quick-release lever (8); Rear fork holder (52), which is detachably mounted on the bicycle rear fork; The rear fork holder (52) includes a first locking block (521) and a second locking block (522), wherein the second locking block (522) is detachably mounted on the first locking block (521).

6. The booster of claim 5, wherein The locking block 1 (521) is threaded with a first locking screw (5211) and a second locking screw (5212).

7. The booster of claim 5 wherein, The support component (6) adopts a support box (61).

8. The booster of claim 7, wherein The driving component (7) includes: A drive motor (72) is installed inside the support box (61); A drive gear (71) is fixed on the output shaft of the drive motor (72) and meshes with the gear disk (2).

9. The booster of claim 7, wherein The power supply assembly (9) includes a battery (91) and a controller (92); The battery (91) and controller (92) are both mounted on the support box (61); Alternatively, the battery (91) and controller (92) are both mounted on the bicycle frame; Alternatively, either the battery (91) or the controller (92) may be mounted on the support box (61), and the other may be mounted on the bicycle frame.

10. The booster of claim 7, wherein The support box (61) is provided with a limit slider (611) and a mechanical lock (612); The mounting bracket (51) is provided with a limiting groove (54), the locking block (521) is provided with a mating part (53), the limiting slider (611) is mated in the limiting groove (54), and the mechanical lock (612) The locking tongue engages with the mating part (53); Alternatively, the locking block (521) is provided with a limiting groove (54), the hanging seat (51) is provided with a mating part (53), the limiting slider (611) is mated in the limiting groove (54), and the locking tongue of the mechanical lock (612) is mated with the mating part (53).

11. The booster of claim 7 wherein, The support box (61) is provided with a limit slide groove (54) and a mechanical lock (612); The mounting bracket (51) is provided with a limiting slider (611), the locking block (521) is provided with a mating part (53), the limiting slider (611) is mated in the limiting groove (54), and the locking tongue of the mechanical lock (612) is mated with the mating part (53). Alternatively, a limiting slider (611) may be provided on the locking block (521), and a mating part (53) may be provided on the hanging seat (51). The limiting slider (611) may be mated in the limiting groove (54), and the locking tongue of the mechanical lock (612) may be mated with the mating part (53).

12. The booster of claim 7, wherein The support box (61) is provided with a limit slider (611) and a mating part (53); The mounting bracket (51) is provided with a limiting groove (54), the locking block (521) is provided with a mechanical lock (612), the limiting slider (611) is fitted in the limiting groove (54), and the locking tongue of the mechanical lock (612) is fitted with the mating part (53). Alternatively, the locking block (521) is provided with a limiting groove (54), the hanging seat (51) is provided with a mechanical lock (612), the limiting slider (611) is fitted in the limiting groove (54), and the locking tongue of the mechanical lock (612) is fitted with the mating part (53).

13. The booster of claim 7, wherein The support box (61) is provided with a limiting groove (54) and a mating part (53); The mounting bracket (51) is provided with a limiting slider (611), the locking block (521) is provided with a mechanical lock (612), the limiting slider (611) is fitted in the limiting groove (54), and the locking tongue of the mechanical lock (612) is fitted with the mating part (53). Alternatively, a limit slider (611) may be provided on the first locking block (521), and a mounting bracket (51) may be provided with... The mechanical lock (612) is provided with the limiting slider (611) in the limiting groove (54), and the locking tongue of the mechanical lock (612) is engaged with the mating part (53).

14. The booster of claim 4, wherein The detachable fastener (5) includes a first fixing seat (55) and a second fixing seat (56), both of which cover the outer wall of the bicycle front fork. The first fixing seat (55) and the second fixing seat (56) are hinged to each other, and the first fixing seat (55) and the second fixing seat (56) are spliced ​​together by a quick release rod (8).

15. The booster of claim 14, wherein The support component (6) adopts a support plate (63), which is fixedly connected to the first fixing seat (55).

16. The booster of claim 15, wherein The driving component (7) includes: A drive motor (72) is mounted on the support plate (63); A drive gear (71) is fixed on the output shaft of the drive motor (72) and meshes with the gear disk (2).

17. The booster of claim 15, wherein The power supply assembly (9) includes a battery (91) and a controller (92); The battery (91) and controller (92) are both mounted on the support plate (63); Alternatively, the battery (91) and controller (92) are both mounted on the bicycle frame; Alternatively, either the battery (91) or the controller (92) may be mounted on the support plate (63), and the other may be mounted on the bicycle frame.

18. A bicycle comprising a bicycle body, characterized in that The bicycle body is equipped with a booster as described in any one of claims 4 to 17.

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