Brake hub structure

Abstract

The utility model provides a brake hub structure and relates to the technical field of vehicle accessories, the brake hub structure comprises a spindle, a wheel lock, a brake device body and a tower footing are arranged on the outer surface of the spindle, the brake device body and the tower footing are located on the two sides of the wheel lock respectively, and a transmission wheel is arranged on the outer surface of the tower footing. The wheel lock comprises a wheel connecting piece arranged on the outer surface of the main shaft through a bearing, a ratchet ring is fixedly installed in the wheel connecting piece, the tower footing is connected with the inner wall of the ratchet ring, and a lock is arranged in the wheel connecting piece. According to the brake device, the brake device body, the wheel lock and the transmission wheel are arranged together, the compactness of the structure is enhanced, the installation space of all assemblies is reduced, and the overall performance and attractiveness of a vehicle are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle accessory technical field, specifically, relate to a brake hub structure. BACKGROUND

[0002] In the technical field of bicycles and similar vehicles, the hub lock, roller brake (or follow-up brake) and transmission device (such as a pulley or sprocket) are important components of the vehicle. In the traditional design, the brake device, locking device and transmission device are usually designed as independent components and are arranged separately. For example, the brake device (such as a roller brake, disc brake or expanding brake) is usually installed on one side of the wheel for emergency braking; the locking device (such as a mechanical lock or electronic lock) is arranged on the other side of the wheel frame or wheel for theft prevention; and the transmission device (such as a sprocket or pulley) is located near the hub or intermediate shaft, responsible for power transmission to the wheel.

[0003] This kind of scattered layout has significant defects: the independent installation of each component requires additional space on the vehicle body, resulting in an increase in wheelbase, affecting the lightweight and flexibility of the vehicle. For example, when the locking device and brake device are arranged on both sides, multiple sets of fixed supports need to be configured, increasing the assembly complexity. Therefore, we have made improvements and propose a brake hub structure. SUMMARY

[0004] The utility model aims at: in view of the problem that the brake device, locking device and transmission device are often designed as independent components and are scattered, which affects the overall performance of the vehicle.

[0005] In order to achieve the above-mentioned utility model purposes, the utility model provides a brake hub structure to improve the above-mentioned problems.

[0006] The application is as follows:

[0007] A brake hub structure, comprising a main shaft, a wheel lock, a brake device main body and a tower base are arranged on the outer surface of the main shaft, the brake device main body and the tower base are respectively located on both sides of the wheel lock, a transmission wheel is arranged on the outer surface of the tower base, the wheel lock comprises a wheel connecting piece arranged on the outer surface of the main shaft through a bearing, a ratchet ring is fixedly installed in the wheel connecting piece, the tower base is connected with the inner wall of the ratchet ring, and a lock is arranged in the wheel connecting piece.

[0008] As a preferred technical scheme of the application, a first nut is threadedly connected to the outer surface of the main shaft, and the first nut is located on the side of the brake device main body away from the wheel lock, and the brake device main body is a roller brake, disc brake or expanding brake.

[0009] As a preferred technical scheme of the present application, the outer surface of the main shaft is provided with an end cover and a third nut, the end cover is located between the third nut and the tower base, and the outer surface of the tower base is further provided with a second nut, and the second nut is used to limit the transmission wheel.

[0010] As a preferred technical scheme of the present application, the wheel connecting piece is provided with a connecting cover on the side close to the brake device body, and the connecting cover is connected with the brake device body, and a plurality of lock holes are formed in the connecting cover.

[0011] As a preferred technical scheme of the present application, the lock includes a baffle disc provided on the outer surface of the main shaft and located in the wheel connecting piece, and a second protective shell, a first protective shell is connected between the baffle disc and the second protective shell, a driving member is arranged in the second protective shell, and a lock tongue is arranged between the driving member and the first protective shell and the second protective shell.

[0012] As a preferred technical scheme of the present application, the lock tongue includes a moving slide connected between the first protective shell and the second protective shell, a sliding groove is formed in the moving slide, a push block is slidably connected in the sliding groove, one end of the push block penetrates through the sliding groove and is connected with a lock rod, the end of the lock rod away from the push block penetrates through the baffle disc, the position of the lock rod corresponds to the position of the lock hole, a spring is arranged at the sliding groove, and the two ends of the spring are respectively abutted with the push block and the second protective shell.

[0013] As a preferred technical scheme of the present application, a limiting groove is arranged on the first protective shell, and the moving slide is slidably connected with the inner wall of the limiting groove.

[0014] As a preferred technical scheme of the present application, a connecting groove is formed in the side of the moving slide close to the second protective shell, a motor and a rotating shaft are installed in the second protective shell, the motor and the rotating shaft are both connected with bevel gears, the two bevel gears are meshed with each other, one end of the rotating shaft penetrates through the second protective shell and is connected with a rotating wheel, the non-circular center of the rotating wheel is connected with a driving rod, and the driving rod is slidably connected with the inner wall of the connecting groove.

[0015] As a preferred technical scheme of the present application, the side of the first protective shell away from the main shaft is connected with a protective cover, a PCB board is connected between the protective cover and the first protective shell, the side of the PCB board close to the first protective shell is connected with a first Hall and a second Hall, a first magnet is arranged on the moving slide, the first Hall is located on the moving track of the first magnet, a plurality of second magnets are installed on the inner wall of the wheel connecting piece, the second Hall is located on the rotating track of the second magnet, and the motor is also connected with the PCB board.

[0016] As a preferred technical scheme of the present application, the PCB board is connected with a waterproof line, one end of the waterproof line penetrates through the end of the main shaft and extends to the outside of the main shaft.

[0017] Compared with the prior art, the utility model has the beneficial effects of:

[0018] In the scheme of the application:

[0019] In order to solve the problem that the brake device, the locking device and the transmission device are often designed as components independent of each other and dispersed in position in the prior art, affecting the overall performance of the vehicle, the brake device main body, the wheel lock and the transmission wheel are arranged together in the application, the compactness of the structure is enhanced, the installation space of each component is reduced, and the overall performance and the aesthetic degree of the vehicle are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view of the vehicle brake hub structure provided by the application is provided.

[0021] Figure 2 The structure schematic view of the vehicle brake hub structure provided by the application is provided.

[0022] Figure 3 The exploded view of the vehicle brake hub structure provided by the application is provided.

[0023] Figure 4 The partial sectional view schematic view of the wheel connecting piece of the vehicle brake hub structure provided by the application is provided.

[0024] Figure 5 The structure schematic view of the protective cover of the vehicle brake hub structure provided by the application is provided.

[0025] Figure 6 The structure schematic view of the lock hole of the vehicle brake hub structure provided by the application is provided.

[0026] Figure 7 The structure schematic view of the second protective shell of the vehicle brake hub structure provided by the application is provided.

[0027] Figure 8 The structure schematic view of the motor of the vehicle brake hub structure provided by the application is provided.

[0028] Figure 9 The structure schematic view of the connecting groove of the vehicle brake hub structure provided by the application is provided.

[0029] Figure 10 The structure schematic view of the PCB board of the vehicle brake hub structure provided by the application is provided.

[0030] Indicated in the figure:

[0031] 1, main shaft; 2, wheel lock; 201, wheel connecting piece; 202, connecting cover; 203, lock hole; 204, blocking disc; 206, first protective shell; 207, second protective shell; 208, motor; 209, rotating shaft; 210, bevel gear; 211, rotating wheel; 212, driving rod; 213, moving slide; 214, connecting groove; 215, sliding groove; 216, push block; 217, lock rod; 218, first magnet; 219, spring; 220, protective cover; 221, PCB board; 222, first hall; 223, second hall; 224, second magnet; 225, waterproof line; 226, ratchet ring; 227, limiting groove; 3, brake device main body; 4, first nut; 5, tower base; 501, transmission wheel; 502, second nut; 6, third nut; 601, end cover. DETAILED DESCRIPTION

[0032] In order to make the person skilled in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0033] It should be noted that, in the case of no conflict, the embodiments and the features and technical solutions in the embodiments in the present application can be combined with each other.

[0034] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0035] Embodiment 1, please refer to Figures 1-6 A brake hub structure, side, the outer surface of the tower base 5 is provided with a transmission wheel 501, the wheel lock 2 includes a wheel connecting piece 201 arranged on the outer surface of the main shaft 1 through a bearing, the wheel connecting piece 201 is fixedly installed with a ratchet ring 226, and the tower base 5 is connected with the inner wall of the ratchet ring 226, and the wheel connecting piece 201 is provided with a lock in the inside, the wheel connecting piece 201 is a hub or a hub, the transmission wheel 501 is a belt pulley or a sprocket, the brake device main body 3, the wheel lock 2 and the transmission wheel 501 are arranged together in the present application, the compactness of the structure is enhanced, the installation space of each component is reduced, and the overall performance and aesthetic degree of the vehicle are improved.

[0036] Further, as Figure 1 And Figure 3As shown, the outer surface of the main shaft 1 is threadedly connected with the first nut 4, and the first nut 4 is located on the side of the brake device body 3 away from the wheel lock 2. The brake device body 3 is a roller brake, a disc brake or a brake drum. The first nut 4 can limit the brake device body 3.

[0037] Further, as shown in Figure 2 and Figure 3 , the outer surface of the main shaft 1 is provided with an end cover 601 and a third nut 6. The end cover 601 is located between the third nut 6 and the tower base 5. The outer surface of the tower base 5 is further provided with a second nut 502. The second nut 502 is used to limit the transmission wheel 501. That is, the transmission wheel 501 is installed on the tower base 5 through the second nut 502. The tower base 5 and the ratchet ring 226 are both existing structures. The inner wall of the ratchet ring 226 is provided with a one-way ratchet. The outer wall of the tower base 5 is correspondingly provided with a pawl. One-way driving is achieved. That is, when the transmission wheel 501 rotates forward, the tower base 5 and the ratchet ring 226 cooperate to drive the wheel connecting piece 201 to rotate. When the transmission wheel 501 reverses, the wheel connecting piece 201 is not driven.

[0038] Further, as shown in Figure 4 and Figure 5 , the side of the wheel connecting piece 201 close to the brake device body 3 is provided with a connecting cover 202, and the connecting cover 202 is connected with the brake device body 3. A plurality of lock holes 203 are formed in the connecting cover 202.

[0039] In embodiment 2, the structure of the wheel brake hub provided in embodiment 1 is further optimized. Specifically, as shown in Figures 4-9 , the lock includes a blocking disc 204 and a second protective shell 207 arranged on the outer surface of the main shaft 1 and located in the wheel connecting piece 201. The blocking disc 204 and the second protective shell 207 are connected with a first protective shell 206. The second protective shell 207 is provided with a driving member. The driving member and the first protective shell 206 and the second protective shell 207 are provided with a lock tongue. The driving member can drive the lock tongue to move to lock or unlock.

[0040] Further, as shown in Figure 6 , Figure 7 and Figure 9As shown, the locking tongue comprises a moving slide 213 slidingly connected between the first protective shell 206 and the second protective shell 207, the moving slide 213 is provided with a sliding groove 215, a push block 216 is slidingly connected in the sliding groove 215, one end of the push block 216 penetrates through the sliding groove 215 and is connected with a locking rod 217, the end of the locking rod 217 away from the push block 216 penetrates through the blocking disc 204, and the position of the locking rod 217 corresponds to the position of the lock hole 203, a spring 219 is arranged at the sliding groove 215, and the two ends of the spring 219 abut against the push block 216 and the second protective shell 207 respectively, when the moving slide 213 moves to the direction of the lock hole 203 under the driving of the driving member, the locking rod 217 moves to the lock hole 203 under the action force of the push block 216 and the spring 219, so that the locking rod 217 can be inserted with the lock hole 203, and the locking of the wheel connecting member 201 is realized.

[0041] Further, as shown in Figure 6 The first protective shell 206 is provided with a limiting groove 227, and the moving slide 213 is slidingly connected with the inner wall of the limiting groove 227, so as to limit the moving slide 213 and improve the stability of the moving slide 213 during horizontal movement.

[0042] Further, as shown in Figures 7-9 The side of the moving slide 213 close to the second protective shell 207 is provided with a connecting groove 214, the second protective shell 207 is provided with a motor 208 and a rotating shaft 209, the motor 208 and the rotating shaft 209 are both connected with bevel gears 210, the two bevel gears 210 are meshed with each other, one end of the rotating shaft 209 penetrates through the second protective shell 207 and is connected with a rotating wheel 211, the non-circular center of the rotating wheel 211 is connected with a driving rod 212, the driving rod 212 is slidingly connected with the inner wall of the connecting groove 214, the motor 208 can drive the rotating wheel 211 to rotate through the bevel gears 210 and the rotating shaft 209, the rotating wheel 211 can drive the driving rod 212 to rotate when rotating, and the driving rod 212 drives the moving slide 213 to move horizontally through the connecting groove 214 when rotating;

[0043] When locking, the moving slide 213 moves to the direction of the lock hole 203, the moving slide 213 drives the locking rod 217 to move to the direction of the lock hole 203 through the spring 219 and the push block 216, if the locking rod 217 is aligned with the lock hole 203, the locking rod 217 is directly inserted into the lock hole 203 for locking, if the locking rod 217 is not aligned with the lock hole 203, the locking rod 217 will first contact with the connecting cover 202, at this time, the moving slide 213 still moves to the lock hole 203, and the spring 219 is extruded, the vehicle is slightly pushed to make the wheel connecting member 201 slightly rotate, when the lock hole 203 is aligned with the locking rod 217, the action force of the spring 219 can drive the locking rod 217 to move through the push block 216, so that the locking rod 217 is inserted into the lock hole 203 for locking;

[0044] When unlocking, the moving slide 213 moves away from the lock hole 203, and the moving slide 213 pulls the lock rod 217 through the push block 216, so that the lock rod 217 is separated from the lock hole 203.

[0045] In the embodiment 3, the brake hub structure provided in the embodiment 1 or 2 is further optimized, and specifically, as shown in Figure 5 、 Figure 6 and Figure 10 , the first protective shell 206 is connected with a protective cover 220 away from the main shaft 1, the protective cover 220 is connected with a PCB board 221 between the first protective shell 206, the PCB board 221 is connected with a first Hall 222 and a second Hall 223 away from the first protective shell 206, the moving slide 213 is provided with a first magnet 218, the first Hall 222 is located on the moving track of the first magnet 218, a plurality of second magnets 224 are installed on the inner wall of the wheel connecting piece 201, the second Hall 223 is located on the rotating track of the second magnet 224, and the motor 208 is also connected with the PCB board 221.

[0046] The number of the first Hall 222 is two, and the cooperation of the two first Halls 222 and the first magnet 218 can reduce the position of the moving slide 213, so as to judge whether the second protective shell 207 is in the locked state or the unlocked state, and specifically, when the first Hall 222 close to the baffle disc 204 detects the first magnet 218, it indicates that it is in the locked state, and when the first Hall 222 away from the baffle disc 204 detects the first magnet 218, it indicates that it is in the unlocked state.

[0047] The cooperation of the second Hall 223 and the second magnet 224 can detect the rotating speed of the wheel connecting piece 201, when the second Hall 223 detects that the rotating frequency of the second magnet 224 exceeds a threshold value, the PCB board 221 sends a signal to the motor 208 to prohibit the lock to be locked, so as to prevent the lock from being locked in the form state.

[0048] Further, as shown in Figures 1-5 , the PCB board 221 is connected with a waterproof line 225, one end of the waterproof line 225 is penetrated out of the end of the main shaft 1 and extends to the outside of the main shaft 1.

[0049] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection or each other can communicate; can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or the interaction relationship of two elements, unless another definite limitation. For ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model.

[0050] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The preferred embodiments of the present application are shown in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A brake hub structure, characterized in that, The device includes a main shaft (1), on the outer surface of which a wheel lock (2), a brake device body (3) and a tower base (5) are provided. The brake device body (3) and the tower base (5) are located on both sides of the wheel lock (2). A transmission wheel (501) is provided on the outer surface of the tower base (5). The wheel lock (2) includes a wheel connector (201) mounted on the outer surface of the main shaft (1) by a bearing. A ratchet ring (226) is fixedly installed in the wheel connector (201), and the tower base (5) is connected to the inner wall of the ratchet ring (226). A lock is provided in the wheel connector (201).

2. The brake hub structure according to claim 1, characterized in that, The outer surface of the main shaft (1) is threaded with a first nut (4), and the first nut (4) is located on the side of the brake device body (3) away from the wheel lock (2). The brake device body (3) is a roller brake, disc brake or expansion brake.

3. A brake hub structure according to claim 1 or 2, characterized in that, The outer surface of the main shaft (1) is provided with an end cap (601) and a third nut (6). The end cap (601) is located between the third nut (6) and the tower base (5). The outer surface of the tower base (5) is also provided with a second nut (502). The second nut (502) is used to limit the transmission wheel (501).

4. The brake hub structure according to claim 1, characterized in that, The wheel connector (201) is provided with a connecting cover (202) on the side near the brake device body (3), and the connecting cover (202) is connected to the brake device body (3). The connecting cover (202) has several locking holes (203).

5. A brake hub structure according to claim 4, characterized in that, The lock includes a baffle (204) and a second protective shell (207) disposed on the outer surface of the main shaft (1) and located in the wheel connector (201). A first protective shell (206) is connected between the baffle (204) and the second protective shell (207). A driving member is disposed inside the second protective shell (207). A locking tongue is disposed between the driving member, the first protective shell (206), and the second protective shell (207).

6. A brake hub structure according to claim 5, characterized in that, The locking tongue includes a movable slide (213) slidably connected between the first protective shell (206) and the second protective shell (207). The movable slide (213) has a slide groove (215). A push block (216) is slidably connected in the slide groove (215). One end of the push block (216) extends out of the slide groove (215) and is connected to a locking rod (217). The end of the locking rod (217) away from the push block (216) passes through the baffle (204). The position of the locking rod (217) corresponds to the position of the lock hole (203). A spring (219) is provided at the slide groove (215). The two ends of the spring (219) abut against the push block (216) and the second protective shell (207) respectively.

7. A brake hub structure according to claim 6, characterized in that, The first protective shell (206) is provided with a limiting groove (227), and the movable slide (213) is slidably connected to the inner wall of the limiting groove (227).

8. A brake hub structure according to claim 7, characterized in that, The movable slide (213) has a connecting groove (214) on the side near the second protective shell (207). A motor (208) and a rotating shaft (209) are installed inside the second protective shell (207). Both the motor (208) and the rotating shaft (209) are connected to bevel gears (210). The two bevel gears (210) mesh with each other. One end of the rotating shaft (209) passes through the second protective shell (207) and is connected to a rotating wheel (211). A drive rod (212) is connected to the non-center of the rotating wheel (211). The drive rod (212) is slidably connected to the inner wall of the connecting groove (214).

9. A brake hub structure according to claim 8, characterized in that, A protective cover (220) is connected to the side of the first protective shell (206) away from the main shaft (1). A PCB board (221) is connected between the protective cover (220) and the first protective shell (206). A first Hall sensor (222) and a second Hall sensor (223) are connected to the side of the PCB board (221) close to the first protective shell (206). A first magnet (218) is provided on the movable slide (213). The first Hall sensor (222) is located on the moving trajectory of the first magnet (218). A plurality of second magnets (224) are installed on the inner wall of the wheel connector (201). The second Hall sensor (223) is located on the rotation trajectory of the second magnet (224). The motor (208) is also connected to the PCB board (221).

10. A brake hub structure according to claim 9, characterized in that, The PCB board (221) is connected to a waterproof line (225), one end of which passes through the end of the spindle (1) and extends to the outside of the spindle (1).

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