Anti-theft electric power-assisted bicycle

Abstract

The present application relates to a power-assisted bicycle, and particularly relates to a theftproof electric power-assisted bicycle. The present application provides a theftproof electric power-assisted bicycle which can hinder artificial riding. The theftproof electric power-assisted bicycle comprises a cabin, a seat, a beam, a crank, a rod and wheels, etc. The seat is installed on the top of the cabin, the beam is fixedly connected to one side of the cabin, the crank is installed on the cabin, the rod is installed on one side of the beam, the wheels are installed on the bottom of the rod, and the wheels are installed on the side of the cabin far from the beam. The first connecting rod is driven to move downward by the gear, the lower inclined surface pressure frame is squeezed to the left by the first connecting rod, the clamp is clamped to the wheels, the pressure rod is driven to move downward by the upper inclined surface pressure frame, the inclined surface clamping block is clamped to the groove of the rotating chuck by the pressure rod, the crank cannot move, the double locking effect is realized by the linkage of the two locking mechanisms, and the problem that the power-assisted bicycle lacks the artificial riding theftproof function is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to a power-assisted bicycle, in particular to a theft-proof electric power-assisted bicycle. BACKGROUND

[0002] The power-assisted bicycle is a new type of two-wheeled vehicle, which uses a battery as an auxiliary power source, is provided with a motor and has a power-assisted system, and can realize the integration of human-powered riding and motor-assisted driving. The power-assisted bicycle is convenient and light, and is relatively cheaper than the traditional electric vehicle, so that the market share of the power-assisted bicycle is continuously expanding.

[0003] The existing power-assisted bicycle can stop the power supply function of the power-assisted bicycle after pulling out the power-off key, but the power-assisted bicycle still has the riding function of an ordinary bicycle after power-off, which leads to the power-assisted bicycle being easily stolen and the owner of the power-assisted bicycle suffering property loss. SUMMARY

[0004] In order to overcome the shortcomings of the existing power-assisted bicycle that does not have a manual riding theft-proof function after power-off, the present application provides a theft-proof electric power-assisted bicycle which can hinder manual riding.

[0005] A theft-proof electric power-assisted bicycle, comprising a cabin, a seat, a beam, a crank, a rod and a wheel, the seat is installed on the top of the cabin, the beam is fixedly connected to one side of the cabin, the crank is installed on the cabin, the rod is installed on one side of the beam, the wheel is installed at the bottom of the rod, and the wheel is installed on the side of the cabin away from the beam, further comprising a locking mechanism, a clamping mechanism and a transmission assembly, the locking mechanism is arranged in the cabin, the clamping mechanism is arranged on the crank, and the transmission assembly is arranged in the cabin.

[0006] Preferably, the locking mechanism comprises a first telescopic rod, a gear, a first connecting rod, an upper inclined surface pressure frame, a lower inclined surface pressure frame, a clamp, a first fixed rod, a first elastic member and a first limiting rod, the first telescopic rod is installed in the cabin, the gear is installed in the cabin, the first telescopic rod is located on one side of the gear, the first telescopic rod is engaged with the gear, the first connecting rod is hingedly connected to the gear, an upper inclined surface pressure frame is hingedly connected to the end of the first connecting rod away from the gear, the first limiting rod is installed in the cabin, the upper inclined surface pressure frame is inserted into the first limiting rod, the first fixed rod is installed in the cabin, the first fixed rod is located below the upper inclined surface pressure frame, the first elastic member is sleeved on the first fixed rod, the lower inclined surface pressure frame is installed on one end of the first fixed rod, the clamp is installed below the cabin, and the lower inclined surface pressure frame is in frictional contact with one side of the clamp.

[0007] Preferably, the clamping mechanism comprises a rotating chuck, an inclined pressing rod, a second fixing rod, a second elastic member and an inclined clamping block, the rotating chuck is fixed on the crank, the inclined pressing rod is installed in the cabin, the second fixing rod is fixed in the cabin, the second elastic member is sleeved on the second fixing rod, and the inclined clamping block is installed on the second fixing rod.

[0008] Preferably, the transmission assembly comprises a pressure rod and a third elastic member, the pressure rod is fixed on the upper inclined pressing frame, one end of the pressure rod is fixed on the inclined pressing rod, and the third elastic member is sleeved on the inclined pressing rod.

[0009] Preferably, the lifting mechanism comprises a second connecting rod, a second limiting rod and a lifting rod, the second connecting rod is hinged on the gear, the lifting rod is hinged on the end of the second connecting rod away from the gear, the second limiting rod is installed in the cabin, and the lifting rod is inserted into the second limiting rod.

[0010] Preferably, the pressing mechanism comprises a wedge-shaped rod, a pressing rod and a second telescopic rod, the wedge-shaped rod is installed on the lifting rod, the pressing rod is arranged on the outer side of the beam, the second telescopic rod is installed on the beam, one end of the pressing rod is in frictional contact with the wedge-shaped rod, and the other end of the pressing rod is in frictional contact with the second telescopic rod.

[0011] Preferably, the cabin is provided with a cover plate.

[0012] Preferably, the cabin is provided with a lock cylinder.

[0013] The application has the following beneficial effects:

[0014] 1. The first connecting rod is driven by the gear to move downwards, the upper inclined pressing frame is driven by the first connecting rod to move downwards, the lower inclined pressing frame is extruded by the upper inclined pressing frame to move leftwards, the clamp is extruded by the lower inclined pressing frame to move leftwards, the clamp clamps the wheel, the pressure rod is driven by the upper inclined pressing frame to move downwards, the inclined clamping block is clamped to the groove of the rotating chuck by the pressure rod, the crank cannot move, the double locking effect is realized through the linkage of the two locking mechanisms, and the function of manual riding anti-theft of the power-assisted bicycle is solved.

[0015] 2. The second connecting rod is driven by the gear to move upwards, the lifting rod is driven by the second connecting rod to move upwards, the lifting rod is lifted from the gap of the saddle, the saddle cannot carry people, and the function of manual riding anti-theft of the power-assisted bicycle is further strengthened. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the application.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the cabin and the saddle of the application.

[0018] Figure 3 Sectional view of the locking mechanism of the present application.

[0019] Figure 4 Perspective view of the clamp of the present application.

[0020] Figure 5 Sectional view of the clamping mechanism of the present application.

[0021] Figure 6 Enlarged view of the inclined pressure rod and the inclined clamping block of the present application.

[0022] Figure 7 Sectional view of the transmission mechanism of the present application.

[0023] Figure 8 Sectional view of the lifting mechanism of the present application.

[0024] Figure 9 Sectional view of the pressing mechanism of the present application.

[0025] Figure 10 Perspective view of the cover plate of the present application.

[0026] The reference signs in the drawings are: 1 - vehicle cabin, 2 - vehicle seat, 3 - vehicle beam, 4 - crank, 5 - vehicle rod, 6 - vehicle wheel, 7 - locking mechanism, 701 - first telescopic rod, 702 - gear, 703 - first connecting rod, 704 - upper inclined pressure frame, 705 - lower inclined pressure frame, 706 - clamp, 707 - first fixed rod, 708 - first elastic member, 709 - first limiting rod, 8 - clamping mechanism, 801 - rotating chuck, 802 - inclined pressure rod, 803 - second fixed rod, 804 - second elastic member, 805 - inclined clamping block, 9 - transmission assembly, 901 - pressure rod, 902 - third elastic member, 10 - lifting mechanism, 1001 - second connecting rod, 1002 - second limiting rod, 1003 - lifting rod, 11 - pressing mechanism, 1101 - wedge-shaped rod, 1102 - pressing rod, 1103 - second telescopic rod, 12 - cover plate. DETAILED DESCRIPTION

[0027] The present application will be further described below in conjunction with the drawings and examples.

[0028] Example 1

[0029] A theft-proof electric power-assisted bicycle, such as Figure 1 and Figure 2As shown, the bicycle includes a cabin 1, a seat 2, a beam 3, a crank 4, a handlebar 5, and wheels 6. A leather seat 2 is mounted on the top of the cabin 1 for carrying a passenger. The beam 3 is fixed to one side of the cabin 1, connecting the cabin 1 and the handlebar 5. The crank 4 is mounted on the cabin 1, and a pedal is mounted on the crank 4. Pedaling the pedal propels the bicycle forward. The handlebar 5 is mounted on one side of the beam 3, controlling the direction of the bicycle's movement. Wheels 6 are mounted at the bottom of the handlebar 5 and on the right side of the cabin 1. Wheels 6, through friction with the ground, propel the bicycle forward. The bicycle also includes a locking mechanism 7, a locking mechanism 8, and a transmission assembly 9. The locking mechanism 7 is located inside the cabin 1, clamping the wheels 6 to prevent them from rotating. The locking mechanism 8 is located on the crank 4, preventing the crank 4 from rotating. The transmission assembly 9 is located inside the cabin 1, activating the locking mechanism 8.

[0030] like Figure 1 , Figure 3 and Figure 4 As shown, the locking mechanism 7 includes a first telescopic rod 701, a gear 702, a first connecting rod 703, an upper inclined pressure frame 704, a lower inclined pressure frame 705, a clamp 706, a first fixing rod 707, a first elastic element 708, and a first limiting rod 709. The first telescopic rod 701 is installed on the inner wall of the left side of the vehicle compartment 1. The first telescopic rod 701 is used to limit the rotation of the gear 702. The gear 702 is installed inside the vehicle compartment 1. The gear 702 is used to drive the first connecting rod 703 to move. The first telescopic rod 701 meshes with the gear 702. The first connecting rod 703 is hinged to the gear 702. The first connecting rod 703 is used to drive the upper inclined pressure frame 704 to move up and down. An upper inclined pressure frame 704 is hinged to the end of the vehicle. The upper inclined pressure frame 704 pushes the lower inclined pressure frame 705 downward, causing the lower inclined pressure frame 705 to move to the left. A first limiting rod 709 is installed in the middle of the inner wall of the vehicle compartment 1. The first limiting rod 709 is used to restrict the movement of the upper inclined pressure frame 704. A first fixing rod 707 is installed in the lower right part of the inner wall of the vehicle compartment 1. A first elastic element 708 is sleeved on the first fixing rod 707. In this embodiment, the first elastic element 708 is a spring. The lower inclined pressure frame 705 is installed at the left end of the first fixing rod 707. The lower inclined pressure frame 705 is used to push the clamp 706. A clamp 706 is installed at the bottom of the vehicle compartment 1. The clamp 706 is used to clamp the wheel 6, so that the wheel 6 cannot rotate.

[0031] like Figure 1 , Figure 5 and Figure 6As shown, the said clamping mechanism 8 comprises a rotating chuck 801, an inclined pressure rod 802, a second fixed rod 803, a second elastic member 804 and an inclined clamping block 805, the rotating chuck 801 is fixed on the connecting shaft of the crank 4, the rotating chuck 801 is used to stop the rotation of the crank 4, the inclined pressure rod 802 is installed in the cabin 1, the inclined pressure rod 802 is used to drive the inclined clamping block 805 to move to the two ends of the second fixed rod 803, the second fixed rod 803 is fixed in the cabin 1, the second fixed rod 803 is sleeved with the second elastic member 804, in this embodiment, the second elastic member 804 is a compression spring, the second fixed rod 803 is installed with the inclined clamping block 805, the inclined clamping block 805 is used to clamp the groove of the rotating chuck 801, so that the crank 4 cannot rotate.

[0032] As shown in Figure 1 and Figure 7 , the said transmission assembly 9 comprises a pressure rod 901 and a third elastic member 902, the pressure rod 901 is fixed on the upper inclined pressure frame 704, the right end of the pressure rod 901 is fixed on the inclined pressure rod 802, the pressure rod 901 is used to press the inclined pressure rod 802 downward, the third elastic member 902 is sleeved on the inclined pressure rod 802, in this embodiment, the third elastic member 902 is a spring.

[0033] As shown in Figure 2 and Figure 3 , the said cabin 1 is provided with a lock cylinder, a key is inserted, the lock cylinder can be rotated, so that the lock cylinder drives the gear 702 to rotate.

[0034] The key is inserted into the lock cylinder, the gear 702 is rotated, the first connecting rod 703 is driven by the gear 702 to move downward, the first connecting rod 703 drives the upper inclined pressure frame 704 to move downward, the upper inclined pressure frame 704 presses the lower inclined pressure frame 705 downward, the lower inclined pressure frame 705 moves to the left, the first elastic member 708 expands, the lower inclined pressure frame 705 presses the clamp 706 to the left, the clamp 706 clamps the wheel 6, so that the wheel 6 cannot rotate, when the upper inclined pressure frame 704 moves downward, the upper inclined pressure frame 704 drives the pressure rod 901 to move downward, the pressure rod 901 drives the inclined pressure rod 802 to move downward, the second elastic member 804 contracts, the inclined pressure rod 802 drives the inclined clamping block 805 to move to the front and back ends of the second fixed rod 803, the inclined clamping block 805 is clamped in the groove of the rotating chuck 801, so that the crank 4 cannot rotate.

[0035] Example 2

[0036] Based on example 1, as shown in Figure 1 and Figure 8As shown, the seat 2 further comprises a lifting mechanism 10, the lifting mechanism 10 comprising a second connecting rod 1001, a second limiting rod 1002 and a lifting rod 1003, the second connecting rod 1001 being hingedly connected to the upper part of the gear 702, the second connecting rod 1001 being used to drive the lifting rod 1003 to move up and down, the lifting rod 1003 being hingedly connected to the upper end of the second connecting rod 1001, the top of the seat 2 being provided with a gap, the lifting rod 1003 being capable of being lifted out of the gap, the second limiting rod 1002 being installed inside the vehicle cabin 1, the second limiting rod 1002 being used to limit the movement of the lifting rod 1003.

[0037] As shown in Figure 1 and Figure 9 As shown, the seat 2 further comprises a pressing mechanism 11, the pressing mechanism 11 comprising a wedge-shaped rod 1101, a pressing rod 1102 and a second telescopic rod 1103, the wedge-shaped rod 1101 being installed on the lifting rod 1003, the wedge-shaped rod 1101 being used to drive the pressing rod 1102 to move to the right, the pressing rod 1102 being installed on the outer side of the vehicle beam 3, the second telescopic rod 1103 being installed on the vehicle rod 5, one end of the pressing rod 1102 being in frictional contact with the wedge-shaped rod 1101, the other end of the pressing rod 1102 being in frictional contact with the second telescopic rod 1103.

[0038] As shown in Figure 1 and Figure 10 As shown, the seat 2 further comprises a cover plate 12, the cover plate 12 being installed on the vehicle cabin 1.

[0039] Insert the key into the lock cylinder, rotate the gear 702, the gear 702 drives the second connecting rod 1001 to move upwards, the second connecting rod 1001 drives the lifting rod 1003 to move upwards, the lifting rod 1003 is lifted out of the gap of the seat 2, so that the seat 2 cannot carry people, the gear 702 drives the second connecting rod 1001 to move upwards, the inclined surface of the second connecting rod 1001 frictionally extrudes the inclined surface of the left end of the wedge-shaped rod 1101, so that the wedge-shaped rod 1101 moves to the right, the inclined surface of the right end of the wedge-shaped rod 1101 frictionally extrudes the second telescopic rod 1103, so that the second telescopic rod 1103 moves downwards, the second telescopic rod 1103 clamps the vehicle rod 5, so that the vehicle rod 5 cannot rotate.

[0040] The above-described embodiments only express the preferred embodiments of the present application, which are described in detail and specifically, but cannot be understood as the limitation of the patent scope of the present application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications, improvements and substitutions can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A theftproof electric power-assisted bicycle, comprising a vehicle cabin (1), a seat (2), a beam (3), a crank (4), a pole (5) and a wheel (6), the seat (2) is installed on the top of the vehicle cabin (1), the beam (3) is fixedly connected to one side of the vehicle cabin (1), the crank (4) is installed on the vehicle cabin (1), the pole (5) is installed on one side of the beam (3), the wheel (6) is installed at the bottom of the pole (5), and the wheel (6) is installed on the side of the vehicle cabin (1) away from the beam (3), characterized in that, It also includes locking mechanism (7), clamping mechanism (8) and transmission assembly (9), the inside of the cabin (1) is provided with locking mechanism (7), the crank (4) is provided with clamping mechanism (8), the inside of the cabin (1) is provided with transmission assembly (9); The locking mechanism (7) includes first telescopic rod (701), gear (702), first connecting rod (703), upper inclined surface pressure frame (704), lower inclined surface pressure frame (705), clamp (706), first fixed rod (707), first elastic element (708) and first limiting rod (709), the inside of the cabin (1) is provided with first telescopic rod (701), the inside of the cabin (1) is provided with gear (702), the first telescopic rod (701) is located on one side of the gear (702), the first telescopic rod (701) is engaged with the gear (702), the gear (702) is hinged with the first connecting rod (703), the first connecting rod (703) is hinged with the upper inclined surface pressure frame (704) away from the gear (702), the inside of the cabin (1) is provided with first limiting rod (709), the upper inclined surface pressure frame (704) is inserted into the first limiting rod (709), the inside of the cabin (1) is provided with first fixed rod (707), the first fixed rod (707) is located below the upper inclined surface pressure frame (704), the first fixed rod (707) is provided with first elastic element (708), one end of the first fixed rod (707) is provided with lower inclined surface pressure frame (705), the lower end of the cabin (1) is provided with clamp (706), the lower inclined surface pressure frame (705) is in frictional contact with one side of the clamp (706); The clamping mechanism (8) includes rotating chuck (801), inclined surface pressure rod (802), second fixed rod (803), second elastic element (804) and inclined surface clamping block (805), the crank (4) is fixedly connected with rotating chuck (801), the inside of the cabin (1) is provided with inclined surface pressure rod (802), the inside of the cabin (1) is fixedly connected with second fixed rod (803), the second fixed rod (803) is provided with second elastic element (804), and the second fixed rod (803) is provided with inclined surface clamping block (805); The transmission assembly (9) includes pressure rod (901) and third elastic element (902), the upper inclined surface pressure frame (704) is fixedly connected with pressure rod (901), one end of the pressure rod (901) is fixedly connected with the inclined surface pressure rod (802), and the inclined surface pressure rod (802) is provided with third elastic element (902); The cabin (1) is provided with a lock cylinder.

2. The theftproof electric assist bicycle according to claim 1, wherein It also includes lifting mechanism (10), which includes second connecting rod (1001), second limiting rod (1002) and lifting rod (1003), the second connecting rod (1001) is hinged on the gear (702), one end of the second connecting rod (1001) away from the gear (702) is hinged with the lifting rod (1003), the second limiting rod (1002) is installed in the inside of the cabin (1), and the lifting rod (1003) is inserted into the second limiting rod (1002).

3. The theftproof electric assist bicycle according to claim 2, wherein The pressing mechanism (11) comprises a wedge-shaped rod (1101), a pressing rod (1102) and a second telescopic rod (1103), the wedge-shaped rod (1101) is installed on the lifting rod (1003), the pressing rod (1102) is arranged outside the car beam (3), and the second telescopic rod (1103) is installed on the car rod (5).

4. The theftproof electric assist bicycle according to claim 3, wherein The cover plate (12) is installed on the car cabin (1).

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