CN107487403B

CN107487403B - Parking system of electric tricycle

Info

Publication number: CN107487403B
Application number: CN201710593808.9A
Authority: CN
Inventors: 祝沣
Original assignee: Shubang Shanghai Tech Co ltd
Current assignee: Shubang Shanghai Tech Co ltd
Priority date: 2017-07-20
Filing date: 2017-07-20
Publication date: 2023-06-16
Anticipated expiration: 2037-07-20
Also published as: CN107487403A

Abstract

The invention discloses a parking system of an electric tricycle, which comprises a frame body, wherein the frame body is provided with a front frame body and a rear frame body; the front wheel assembly and the rear wheel assembly are respectively assembled on the front frame body and the rear frame body; the side swinging mechanism is assembled between the front frame body and the rear frame body, and when the front frame body swings to the left side or the right side of the frame body, the rear frame body is balanced through the side swinging mechanism; the braking mechanism is assembled on the frame body; the parking mechanism is assembled on the frame body and used for controlling the locking and unlocking of the side swing mechanism; the ECU central control system is used for collecting data information of the electric tricycle and sending control instructions, error reporting information and alarm information through analyzing the data information; the power supply system is assembled on the frame body, and the parking mechanism, the braking mechanism, the active temperature control box and the ECU central control system are connected to the power supply system.

Description

Parking system of electric tricycle

Technical Field

The invention relates to the fields of machinery, electronics and the like, in particular to a parking system of an electric tricycle.

Background

The electric tricycle (Electrically operated tricycle) is a three-wheeled transport means for pulling goods or people with a storage battery as power and a motor as drive. The parking systems of the existing electric tricycles are various and are used for various occasions. In the fresh vegetable distribution and seafood food distribution processes, a parking system of the electric tricycle is usually needed.

When dispensing the articles such as fresh vegetables and seafood, it is generally necessary to preserve the articles, and therefore, a fresh-keeping box is required, and when the fresh-keeping box is installed, the fresh-keeping box is usually installed on the rear frame body. When the fresh-keeping box is distributed, the fresh-keeping box needs to be kept stable, and particularly on roads such as turns or slopes, the fresh-keeping box is easy to incline along with a vehicle body, so that distributed objects in the fresh-keeping box are scattered, and the like.

Meanwhile, when the parking system of the existing electric tricycle is driven, the driving mode and the braking mode of the parking system are various, so that the fresh-keeping box is stable when being distributed, and the parking system is related to a driving mechanism and a braking mechanism. In the prior art, how to keep the fresh-keeping box from tilting along with the car body when turning is a problem which needs to be solved at present.

Disclosure of Invention

The purpose of the invention is that: the parking system of the electric tricycle changes the vehicle body structure and the braking structure of the parking system of the existing electric tricycle, so that the parking system of the electric tricycle can keep stable moving of the fresh-keeping box no matter in any running state.

The technical scheme for achieving the purpose is as follows: the parking system of the electric tricycle comprises a frame body, wherein a front frame body and a rear frame body are arranged; the front wheel assembly and the rear wheel assembly are respectively assembled on the front frame body and the rear frame body; the side swinging mechanism is assembled between the front frame body and the rear frame body, and when the front frame body swings to the left side or the right side of the frame body, the rear frame body keeps balance through the side swinging mechanism; the braking mechanism is assembled on the frame body; the parking mechanism is assembled on the frame body and used for controlling locking and unlocking of the side swing mechanism; the ECU central control system is used for collecting data information of the electric tricycle and sending control instructions, error reporting information and alarm information by analyzing the data information; and the parking mechanism, the braking mechanism, the active temperature control box and the ECU central control system are connected with the power supply system.

In a preferred embodiment of the present invention, the side swing mechanism includes a housing, the housing includes a shaft hole, and the rear portion and the middle portion are disposed in the housing; the cavity is arranged at the front part of the shell and is communicated with the shaft hole; the rotating shaft and the bearing are assembled in the shaft hole; the side swing locking mechanism is assembled in the cavity, and the front part of the rotating shaft is connected with the side swing locking mechanism.

In a preferred embodiment of the present invention, the housing includes an upper housing, and upper connecting portions are provided at both side edges thereof; a lower connecting part is arranged at the edges of two sides of the lower shell; the connecting surface of the upper connecting part opposite to the lower connecting part is a plane, and the upper connecting part and the lower connecting part are connected in a sealing way through the connecting surface; the upper shell is provided with a first rotating shaft half hole which is arranged at the rear part and the middle part of the upper shell; a first half cavity arranged at the front part of the upper shell; the first rotating shaft half hole is communicated with the first half cavity; the lower shell is provided with a second rotating shaft half hole which is arranged at the rear part and the front part of the lower shell; the second half cavity is arranged at the front part of the lower shell; the second rotating shaft half hole is communicated with the second half cavity; the first rotating shaft half hole and the second rotating shaft half hole form the shaft hole; the first half cavity and the second half cavity form the cavity; the upper shell is also provided with a first oil seal half groove group which is arranged at the rear part of the first rotating shaft half hole; the first buffer block mounting half groove is arranged at the front part of the first rotating shaft half hole; the lower shell is also provided with a second oil seal half groove group which is arranged at the rear part of the second rotating shaft half hole; the second buffer block mounting half groove is arranged at the front part of the second rotating shaft half hole; the first oil seal half groove group and the second oil seal half groove group form an oil seal groove group; the first buffer block installation half groove and the second buffer block installation half groove form a buffer block installation groove; the side swinging mechanism further comprises a sealing piece which is sleeved on the rotating shaft and is arranged in the oil seal groove group; the buffer block is sleeved on the rotating shaft and is arranged in the buffer block mounting groove.

In a preferred embodiment of the present invention, the side swing locking mechanism includes a locking fluted disc, and a connecting center of the locking fluted disc is assembled on the rotating shaft; the clamping hook component is connected with the parking mechanism in a transmission mode and is clamped on the locking fluted disc in a meshed mode; the locking fluted disc and the clamping hook component are respectively assembled in the cavity; the rotating space of the locking fluted disc is in the second half cavity, and the connecting surface of the upper connecting part is used as a limiting surface of the disc body; the locking fluted disc uses the connection center as the center, and the clockwise rotation angle range is 0-60 degrees and the anticlockwise rotation angle range is 0-60 degrees.

In a preferred embodiment of the present invention, the locking fluted disc includes a disc body, which is a sector disc body, the connection center is disposed at a central angle of the disc body, and the shaft body of the rotating shaft is vertically connected to the connection center; locking latch, along the arc edge of a sector of the sector disk, this sector corresponds to the said hook assembly.

In a preferred embodiment of the present invention, the hook assembly includes a transmission rod, and a rear portion of the transmission rod passes through the shell and is placed in the cavity; one side of the rocker arm is hinged to the rear part of the transmission rod; the rear part of the rocker arm seat is hinged in the second half cavity, and the front part of the rocker arm seat is hinged to the other end of the rocker arm; the tail end of the clamping hook is hinged to the rear part of the rocker arm seat; and the chain link is connected with the top of the clamping hook and the front part or the middle part of the rocker arm seat.

In a preferred embodiment of the present invention, the parking system of the electric tricycle further includes a disc brake bracket, and is assembled on the rear frame body in cooperation with the rear wheel assembly.

In a preferred embodiment of the present invention, the disc brake bracket includes a bracket body including a first connection portion and a second connection portion; the first inner groove is arranged at the side part of the first connecting part, and the groove surface of the first inner groove is an arc-shaped surface; the first connecting holes are arranged on two sides of the notch of the first inner groove; the second connecting hole is formed in the second connecting part, the first mounting hole is formed in the joint of the first connecting part and the second connecting part, and the bracket body is assembled on the rear bracket body through the first mounting hole; the fixing hole is formed in the bracket body, and the hole center of the fixing hole and the hole center of the first mounting hole are on the same horizontal line; the rear frame body is provided with a fixed column, and the fixed column is positioned in the fixed hole; the fixed hole is a slotted hole, and the long diameter of the slotted hole passes through the hole center of the first mounting hole.

In a preferred embodiment of the present invention, the braking mechanism includes a braking control part disposed on the front frame; a front wheel brake mechanism assembled on the front wheel assembly and connected to the brake control unit; the rear wheel braking mechanism is assembled on the disc brake bracket of the rear wheel assembly and is connected with the braking control part; the brake control part comprises a brake oil circuit control part and is arranged on one side of the upper part of the front frame body; a front wheel brake oil pipe connected to the brake oil path control part; a rear wheel brake oil pipe connected to the brake oil path control unit; the front wheel braking mechanism comprises a front wheel braking oil pump, is assembled at the lower part of the front frame body, and is connected with the braking oil path control part through the front wheel braking oil pipe; a front wheel brake disc which is assembled on the front wheel assembly in cooperation with the front wheel brake oil pump; the rear wheel braking mechanism comprises a rear wheel braking oil pump, is assembled on the disc braking bracket through a first connecting hole and a first connecting piece, is positioned in the first inner groove, and is connected with the braking oil circuit control part through the rear wheel braking oil pipe; the rear wheel braking disc is assembled on the rear wheel assembly in cooperation with the rear wheel braking oil pump.

In a preferred embodiment of the present invention, the parking mechanism includes a parking control part disposed at one side of an upper portion of the front frame body; a rear wheel parking mechanism assembled on the rear wheel assembly and connected to the parking control part; the parking control part comprises a parking oil circuit control part and is arranged on one side of the upper part of the front frame body; the rear wheel parking oil pipe is connected to the parking oil circuit control part; the rear wheel parking mechanism comprises a rear wheel parking oil pump, is assembled on the disc brake bracket through a second connecting piece and the second connecting hole, and is connected with the parking oil circuit control part through the rear wheel parking oil pipe; the rear wheel parking disc is assembled on the rear wheel assembly in cooperation with the rear wheel parking oil pump.

The invention has the advantages that: according to the parking system of the electric tricycle, through the separated design of the front vehicle body and the rear vehicle body and through the connection of the side swinging mechanism, the side swinging of the parking system of the electric tricycle during operation can be effectively realized, driving experience and driving safety are facilitated, meanwhile, the stability of the rear vehicle body is kept during the side swinging, the stability of the fresh-keeping box is further kept, the tricycle can be effectively driven on an inclined road surface through the electronic differential system in the driving mechanism, meanwhile, the turning of the vehicle can be facilitated, the vehicle body is not easy to turn over, the driving on an uneven road surface is facilitated through the design of the middle damping mechanism, jolt caused by the uneven road surface is prevented, the fresh-keeping box is vibrated or turned over, and meanwhile, the installation space of the middle damping mechanism is saved; safety and comfort during vehicle side sway are further improved through the damping mechanism, and driving safety is further guaranteed through cooperation use of the disc brake support, the brake mechanism and the parking mechanism.

Drawings

The invention is further explained below with reference to the drawings and examples.

Fig. 1 is a schematic diagram of the overall structure of an electric tricycle according to an embodiment of the present invention.

Fig. 2 is a schematic view of a part of an electric tricycle according to an embodiment of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a schematic view of a frame body according to an embodiment of the invention.

Fig. 5 is a schematic view of a mounting structure of a centrally located damper mechanism according to an embodiment of the present invention.

Fig. 6 is a perspective view of a roll mechanism according to an embodiment of the present invention.

Fig. 7 is a schematic view of the internal structure of the side swing mechanism according to the embodiment of the present invention.

Fig. 8 is a schematic view of the structure of the upper casing of the side swing mechanism according to the embodiment of the present invention.

Fig. 9 is a cross-sectional view taken along A-A of fig. 8.

Fig. 10 is a schematic view of a lower housing structure of a side swing mechanism according to an embodiment of the invention.

Fig. 11 is a sectional view taken along the direction B-B of fig. 10.

Fig. 12 is a schematic diagram of a side swing locking mechanism of a side swing mechanism according to an embodiment of the invention.

Fig. 13 is a schematic view of a damping mechanism according to an embodiment of the invention.

Fig. 14 is a schematic view of a disc brake bracket structure according to an embodiment of the invention.

Fig. 15 is a schematic view of a disc brake bracket mounting structure according to an embodiment of the invention.

Fig. 16 is a second schematic view of a disc brake bracket mounting structure according to an embodiment of the invention.

Fig. 17 is a schematic view of a portion of the structure of a brake mechanism and a parking mechanism according to an embodiment of the invention.

Fig. 18 is a block diagram of a drive mechanism of an embodiment of the invention.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

1, a frame body;

11 front frame body; 12 rear frame body;

121 rear wall frame; 122 rear fork frame;

1211 a rear enclosure body; 1212 a support;

2 a side swing mechanism;

a 21 housing; a 22-axis rotation; a 23 bearing;

24 seals; 25 buffer blocks; 26 side swing locking mechanism;

211 an upper housing; 212 a lower housing;

2111, a first shaft half-bore; 2112 a first half cavity; 2113 a first oil seal half groove group;

2114 first buffer block mounting half slots; 2115 upper connection; 2116 connecting the branch;

2121 second spindle half hole; 2122 second half cavity; 2123 second oil seal half groove group;

2124 second buffer block mounting half groove; 2125 lower connection;

261 locking fluted disc; 262 a catch assembly;

2611 trays; 2612 locking latch;

2621 drive rod; 2622 rocker arms; 2623 rocker arm mount;

2624 hook; 2625 links;

3, a damping mechanism;

31 a damper mounting shaft; 32 damping member; 33 damping the drive assembly;

34 a first mount; a second mount 35;

331 damping connection; 332 damping hinge

4 disc brake support;

41 a bracket body; 42 first connection holes; 43 second connection holes;

44 a first inner groove; 45 a second inner groove; 46 a first mounting hole;

47 fixing holes;

a 51 single-shaft hub motor; 52 dual controllers; 53 electronic differential system;

531 a dual control system; 5311 a sensor; 5312 a gyroscope;

a brake control unit 61; 62 front wheel brake mechanism; 63 rear wheel brake mechanisms;

611 a brake oil passage control unit; 612 front wheel brake oil pipe; 613 rear wheel brake oil line;

621 front wheel brake oil pump; 622 front wheel brake disc;

631 rear wheel brake oil pump; 632 rear wheel brake disc;

71 a parking control unit; 73 a rear wheel parking mechanism;

711 a parking oil passage control unit; 713 rear wheel parking oil pipe;

731 rear wheel parking oil pump; 732 rear wheel park disc;

8, arranging a damping mechanism in the middle;

81 hydraulic cylinders; 82 hydraulic rods; 83 a strong spring;

91 a front wheel assembly; 92 rear wheel assembly; 101 an electronic incubator;

102 moving the fresh box.

Detailed Description

The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the invention may be practiced. The directional terms referred to in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer only to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the invention and is not limiting of the invention.

The embodiment is shown in fig. 1, 2 and 3, and the electric tricycle comprises a frame body 1, a side swing mechanism 2, a braking mechanism, a parking mechanism, a driving mechanism, a power supply system, a disc brake support 4 and an active temperature control box, wherein the active temperature control box, the driving mechanism and the braking mechanism are connected to the ECU, and the ECU is used for collecting data information of the electric tricycle and sending control instructions, error reporting information and alarm information by analyzing the data information. And the driving mechanism, the braking mechanism, the active temperature control box and the ECU central control system are connected with the power supply system.

In this embodiment, as shown in fig. 4, the frame body 1 is provided with a front frame 11 and a rear frame 12.

Wherein, the front frame body 11 comprises a pedal mounting frame, a front wheel mounting frame support frame, a front wheel steering mounting frame and a seat mounting frame. Specifically, the lower portion of the front wheel mount support includes a front side branch end and a rear side branch end, the rear side branch end being connected to the front portion of the pedal mount, and the front wheel assembly 91 being assembled on the front side branch end. The front wheel steering mounting frame is assembled on the upper portion of the front wheel mounting frame supporting portion, and the front wheel control rotating shaft is assembled in the front wheel steering mounting frame. The lower part of the seat mounting frame is connected with the rear part of the pedal mounting frame, and the upper surface of the seat mounting frame is provided with a seat. In this embodiment, the pedal mounting frame below the seat has a mounting portion for mounting the power supply system thereon.

In this embodiment, the rear frame 12 includes a rear frame 121 and a rear fork 122.

Wherein, the back frame 121 comprises a back frame body 1211 and a supporting part 1212, and the back frame body 1211 is horizontally arranged; the upper part of the support 1212 is connected to the front part of the rear frame body 1211; wherein, the rear frame 121 forms a frame body similar to a 'Γ' shape. The front portion of the rear fork 122 is hinged to the lower portion of the support 1212. The rear wheel assembly 92 is assembled to the rear fork frame 122.

In this embodiment, as shown in fig. 5, in order to increase the user experience and comfort during driving, a centrally disposed shock absorbing mechanism 8 is also added. In order to save space and achieve the best damping effect, the middle damping mechanism 8 is disposed between the middle position of the rear frame 1211 and the middle position of the rear bottom fork frame 122, and a specific included angle between the middle damping mechanism 8 and the horizontal plane is as follows: greater than or equal to 60 ° and less than 90 °. Namely, the middle damping mechanism 8 inclines from bottom to top to the front side of the frame body 1, and the included angle is the inclination angle. The central damping mechanism 8 plays a role of supporting the rear frame 121 and damping, and because of the hinged relationship between the rear frame 121 and the rear fork frame 122, the rear frame 121 will rotate along the hinge point, and the central damping mechanism 8 is used for giving another supporting force to the rear frame 121.

Specifically, the centrally-mounted damping mechanism 8 includes a hydraulic cylinder 81, a hydraulic rod 82, and a strong spring 83, wherein the hydraulic rod 82 is assembled in the hydraulic cylinder 81, and the strong spring 83 is sleeved on the hydraulic cylinder 81 and the hydraulic rod 82. When vibration (the positional relationship between the rear frame 121 and the rear fork frame 122 changes) occurs between the rear frame 121 and the rear fork frame 122, the hydraulic rod 82 pushes the liquid in the hydraulic cylinder 81 downward, the pressure increases after the liquid is compressed, and an upward pushing force is given to the hydraulic rod 82, and meanwhile, the strong spring 83 is used for damping the vibration between the rear frame 121 and the rear fork frame 122.

In this embodiment, as shown in fig. 6 to 12, the side swing mechanism 2 is assembled between the front frame 11 and the rear frame 12, wherein the front part of the side swing mechanism 2 is assembled at the middle position of the rear part of the pedal mounting frame; the rear part of the side swing mechanism 2 is assembled at an intermediate position of the front part of the support 1212. When the front frame 11 swings to the left or right of the frame body 1, the rear frame 12 is balanced by the side swing mechanism 2.

The active temperature control box comprises an electronic temperature control box 101, a movable fresh-keeping box 102 and a compressor; the mobile fresh box 102 includes a fresh box body and a refrigerated box body. The compressor is detachably assembled to the rear frame 121, and the movable fresh-keeping box 102 is detachably assembled to the compressor and is cooled and fresh-kept by the compressor. The compressor is connected with the ECU central control system, and the compressor is powered by the power supply system. The compressors respectively control the temperature ranges of the fresh-keeping box body and the cold-storage box body through the ECU central control system. The electronic temperature control box 101 is assembled on the front frame body and is positioned at the front side of the front frame body. An object of the present embodiment is to keep the active temperature control box stationary while the vehicle body is traveling.

Specifically, the side swing mechanism 2 includes a housing 21, a rotating shaft 22, a bearing 23, a sealing member 24, a buffer block 25, and a side swing locking mechanism 26. The housing 21 includes an upper housing 211, a lower housing 212.

Wherein the upper housing 211 includes a first shaft half hole 2111, a first half cavity 2112, a first oil seal half groove group 2113, a first buffer block mounting half groove 2114, and an upper connection portion 2115. The first rotation shaft half hole 2111 is provided at the rear and middle of the upper housing 211; the first half cavity 2112 is provided at the front of the upper housing 211, and the first shaft half hole 2111 is communicated with the first half cavity 2112; the first oil seal half groove group 2113 is arranged at the rear part of the first rotating shaft half hole 2111; the first buffer block mounting half groove 2114 is provided in front of the first rotation shaft half hole 2111; the upper connection portion 2115 is provided along both side edges of the upper housing 211. A connection leg 2116 is further provided on the outer side surface of the upper case 211, and the connection leg 2116 is used for connecting the case 21 to the front frame 11.

The lower housing 212 includes a second shaft half hole 2121, a second half cavity 2122, a second oil seal half groove set 2123, a second buffer block mounting half groove 2124, and a lower connection portion 2125. The second shaft half hole 2121 is disposed at the rear and middle of the lower housing 212, the second shaft half hole 2121 corresponds to the first shaft half hole 2111, and the first shaft half hole 2111 and the second shaft half hole 2121 form a shaft hole; the second half cavity 2122 is disposed at the front of the lower housing 212, the second shaft half hole 2121 is communicated with the second half cavity 2122, the second half cavity 2122 corresponds to the first half cavity 2112, and the first half cavity 2112 and the second half cavity 2122 form a cavity; the second oil seal half groove set 2123 is disposed at the rear of the second shaft half hole 2121, and corresponds to the first oil seal half groove set 2113, where the first oil seal half groove set 2113 and the second oil seal half groove set 2123 form an oil seal groove set. The second buffer block mounting half groove 2124 is formed in the front portion of the second rotating shaft half hole 2121 and corresponds to the first buffer block mounting half groove 2114, and the first buffer block mounting half groove 2114 and the second buffer block mounting half groove 2124 form a buffer block mounting groove; the lower connecting portion 2125 is disposed along two side edges of the lower housing 212, the lower connecting portion 2125 corresponds to an upper connecting portion 2115, a screw hole is formed between the upper connecting portion 2115 and the lower connecting portion 2125, the upper housing 211 and the lower housing 212 are fixedly connected through bolts, a connecting surface of the upper connecting portion 2115 opposite to the lower connecting portion 2125 is a plane, and the upper connecting portion 2115 and the lower connecting portion 2125 are connected in a sealing manner through the connecting surface.

Wherein the rotating shaft 22 and the bearing 23 are assembled in the shaft hole; the side swing locking mechanism 26 is assembled in the cavity, and the front portion of the rotating shaft 22 is connected to the side swing locking mechanism 26.

Wherein, the sealing member 24 is sleeved on the rotating shaft 22 and is installed in the oil seal groove group; the buffer block 25 is sleeved on the rotating shaft 22 and is installed in the buffer block installation groove.

In this embodiment, the side swing locking mechanism 26 includes a locking fluted disc 261 and a hook assembly 262, wherein a connection center of the locking fluted disc 261 is assembled on the rotating shaft 22; the hook component 262 is connected to the parking mechanism in a driving way, and is engaged with the locking fluted disc 261; the locking fluted disc 261 and the clamping hook component 262 are respectively assembled in the cavity.

In this embodiment, the rotation space of the locking fluted disc 261 is in the second half cavity 2122, and the connection surface of the upper connection portion 2115 is used as the limiting surface of the tray body 2611. The locking tooth disc 261 rotates clockwise by an angle ranging from 0 to 60 ° and counterclockwise by an angle ranging from 0 to 60 ° with the connection center as the center.

Specifically, the locking fluted disc 261 includes a disc body 2611 and a locking latch 2612, the disc body 2611 is a sector-shaped disc body 2611, the connection center is disposed at a central angle of the disc body 2611, and the shaft body of the rotating shaft 22 is vertically connected to the connection center; the locking latches 2612 are arranged along the arcuate edges of a sector of the sector tray 2611, which corresponds to the catch assembly 262.

Specifically, the hook assembly 262 includes a transmission rod 2621, a rocker arm 2622, a rocker arm seat 2623, and a hook 2624, wherein the rear portion of the transmission rod 2621 passes through the housing and is disposed in the cavity; one side of the rocker arm 2622 is hinged to the rear of the transmission rod 2621; the rear part of the rocker arm seat 2623 is hinged in the second half cavity 2122, and the front part thereof is hinged to the other end of the rocker arm 2622; the tail end of the hook 2624 is hinged to the rear part of the rocker arm seat 2623; the link 2625 is connected to the top of the catch 2624 and the front or middle of the rocker arm seat 2623.

When the roll locking is performed, the parking mechanism pulls the transmission rod 2621, the transmission rod 2621 is pulled forward to drive the rocker arm 2622 to rotate, when the rocker arm 2622 rotates, the rocker arm seat 2623 is driven to rotate, and when the rocker arm seat 2623 rotates, the clamping hook 2624 is driven to move towards the locking latch 2612 and is engaged with the locking latch 2612. When the roll is performed, the reverse operation is performed.

In the present embodiment, as shown in fig. 13, a damper mechanism 3 is further provided at the yaw mechanism 2 in order to achieve an optimal yaw effect. The damping mechanism 3 is used for slowing down the side swing force, so that the side swing of the front frame 11 can be slowly and stably performed.

Specifically, the damping mechanism 3 is connected between the front frame 11 and the rear frame 12, and when the front frame 11 swings sideways, the damping mechanism 3 generates damping.

The damping mechanism 3 comprises a damping piece mounting shaft 31, a damping piece 32 and a damping transmission assembly 33, wherein two ends of the damping piece mounting shaft 31 are fixed at the rear part of the front frame 11 in the horizontal left-right direction through a first mounting seat 34; the damping piece 32 is sleeved on the damping piece mounting shaft 31; the damper drive assembly 33 is connected between the damper 32 and the front of the rear frame 12.

The damping transmission assembly 33 comprises a damping connecting piece 331 and a damping hinge piece 332, wherein the damping connecting piece 331 is fixed on the damping piece 32; the damping hinge 332 has one end hinged to the connecting member and the other end hinged to the rear frame 12 through a second mounting seat 35.

In this embodiment, as shown in fig. 18, the driving mechanism is a dual driving mechanism, and specifically includes a dual hub motor, a dual controller 52, and an electronic differential system 53. A single-axle hub motor 51 in the double-hub single-axle motor is assembled on a rear fork frame in the rear wall assembly, and the axles of the single-axle hub motor 51 are respectively connected to rear wheels in the rear wheel assembly; the dual controller 52 is connected to the single-axis hub motor 92 and the ECU central control system, and the dual controller 52 is used for controlling the dual-hub single-axis motor; the electronic differential system 53 is assembled on the frame body 1, the electronic differential system 53 is used for detecting a motion state of the frame body, the ECU central control system reads the motion state and sends a control command to the dual controller 52 according to the motion state, and the dual controller 52 controls the dual-hub single-shaft motor to operate according to the control command, including controlling the rotation speed of the single-shaft hub motor 51.

Specifically, the electronic differential system 53 includes a dual control system 531, where the dual control system 531 is configured to detect a rotation speed of the single-axle hub motor 51 and a movement state of the frame body 1, and the dual control system adjusts the rotation speed of the single-axle hub motor 51 through the movement state of the frame body 1.

Specifically, the dual control system 531 includes a sensor 5311, a gyroscope 5212. The sensor 5311 is for detecting a rotational speed of the single-axis in-wheel motor 51 and for detecting a relative position of the single-axis in-wheel motor 51; the gyroscope 5212 is used for detecting the motion state of the frame body 1, wherein the motion state comprises a side swing state and a turning angle of the frame body 1; when the motion state of the frame body 1 changes, the electronic differential system 53 controls the rotation speed of the single-axle hub motor 51 through the data and information detected by the sensor 5311 and the gyroscope 5212.

When turning, if one of the rear wheels is positioned at the inner side of the turn, the turning angle of the rear wheel is smaller, and the turning angle of the other rear wheel is larger, the rotation speed of the single-shaft hub motor 51 is regulated and controlled, so that the rotation speed of the inner rear wheel and the rotation speed of the outer rear wheel form a differential speed, and the vehicle body can keep stable running during the turn, in particular to the stable running of the rear frame body 12.

Or, in case that the road surface is inclined, if the road surface on which one of the rear wheels is located is higher than the road surface on which the other rear wheel is located, the stress of one of the rear wheels is smaller, and the stress of the other rear wheel is larger, at this time, the rotation speed of the single-shaft hub motor 51 needs to be regulated and controlled to keep stable running, so that the occurrence of rollover or inclination of the rear frame 12 is avoided.

In this embodiment, as shown in fig. 14-16, the disc brake support 4 is assembled on the rear frame 12 in cooperation with the rear wheel assembly 92, in this embodiment, two inner side welding anti-rotation plates are respectively fixed at the rear wheels on two sides of the rear wheel assembly 92, the disc brake support 4 is mounted on the inner side welding anti-rotation plates, wherein a dual-hub single-shaft motor is assembled on the inner side welding anti-rotation plates, and the disc brake support 4 is used for providing a mounting frame body for mutually cooperating control of the braking mechanism and the parking mechanism, and meanwhile, the space is saved in mounting.

Specifically, the disc brake bracket 4 includes a bracket body 41, a first connection hole 42, a second connection hole 43, a first inner groove 44, a second inner groove 45, a first mounting hole 46, and a fixing hole 47. The bracket body 41 includes a first connection portion and a second connection portion; the first inner groove 44 is arranged at the side part of the first connecting part, and the groove surface of the first inner groove 44 is an arc surface; the same second inner groove 45 is disposed at the side of the second connecting portion, and the groove surface of the second inner groove 45 is an arc surface. The first connecting holes 42 are arranged on two sides of the notch of the first inner groove 44; the second connecting hole 43 is disposed on the second connecting portion and along the groove surface of the second inner groove 45. The first mounting hole 46 is formed at the junction of the first connection portion and the second connection portion, the bracket body 41 is assembled on the rear frame body 12 through the first mounting hole 46, the first mounting hole 46 is a special-shaped hole or a flat hole, and the first mounting hole 46 prevents the shaft of the dual-hub single-shaft motor from rotating after being mounted, and displacement occurs. The fixing hole 47 is arranged on the bracket body 41, wherein the hole center of the fixing hole 47 and the hole center of the first mounting hole 46 are on the same horizontal line; the rear frame 12 is provided with a fixing post, and the fixing post is located in the fixing hole 47. The fixing hole 47 is a oblong hole, and the long diameter of the oblong hole passes through the hole center of the first mounting hole 46.

In this embodiment, the structures of the first inner groove 44 and the second inner groove 45 can save space while facilitating the installation of the brake mechanism and the parking mechanism, while saving materials and costs.

When the disc brake support 4 is used after being mounted, the first mounting hole 46 of the disc brake support 4 is used for being fixedly connected, but the disc brake support 4 can rotate around a mounting piece or a mounting shaft on the first mounting hole 46 under the action of external force, so that an oblong fixing hole 47 is formed, and the relative position of the disc brake support 4 on the rear frame body 12 can be kept unchanged. Meanwhile, the oblong hole is provided with a buffer space, so that the disc brake support 4 has a buffer effect when stressed.

In this embodiment, as shown in fig. 16, the braking mechanism is assembled to the frame body 1. The brake mechanism includes a brake control portion 61, a front wheel brake mechanism 62, and a rear wheel brake mechanism 63. The brake control unit 61 is provided in the front frame 11; the front wheel brake mechanism 62 is assembled to the front wheel assembly 91 and connected to the brake control unit 61; the rear wheel brake mechanism 63 is assembled to the disc brake bracket 4 of the rear wheel assembly 92, and is connected to the brake control portion 61.

Specifically, the brake control section 61 includes a brake oil passage control section 611, a front wheel brake oil pipe 612, and a rear wheel brake oil pipe 613. The brake oil path control part 611 is provided at one side of the upper part of the front frame 11; the front wheel brake oil pipe 612 is connected to the brake oil path control portion 611; the rear wheel brake oil pipe 613 is connected to the brake oil passage control portion 611.

The front wheel brake mechanism 62 includes a front wheel brake oil pump 621 and a front wheel brake disc 622, wherein the front wheel brake oil pump 621 is assembled at the lower part of the front frame 11 and is connected to the brake oil path control part 611 through the front wheel brake oil pipe 612; the front wheel brake disc 622 is assembled to the front wheel assembly 91 in cooperation with the front wheel brake oil pump 621.

Wherein the rear wheel brake mechanism 63 comprises a rear wheel brake oil pump 631 and a rear wheel brake disc 632, the rear wheel brake oil pump 631 is assembled on the disc brake bracket 4 through a first connecting hole 42 and a first connecting piece and is positioned in the first inner groove 44, and is connected to the brake oil path control part 611 through the rear wheel brake oil pipe 613; the rear wheel brake disc 632 is assembled to the rear wheel assembly 92 in cooperation with the rear wheel brake oil pump 631.

In this embodiment, the parking mechanism is used in cooperation with the brake mechanism, so that it can be said that the parking mechanism includes the brake mechanism and also includes the roll locking mechanism 26 in the roll mechanism 2. In this embodiment, the parking mechanism includes the parking control unit 71 and the rear wheel parking mechanism 73 in addition to the brake mechanism and the yaw lock mechanism 26 described above.

Specifically, the parking control unit 71 is provided on one side of the upper portion of the front frame 11, and is integrally designed with the brake control unit 61. The rear wheel parking mechanism 73 is assembled to the rear wheel assembly 92 and connected to the parking control unit 71.

The parking control unit 71 includes a parking oil path control unit 711 and a rear wheel parking oil pipe 712, and the parking oil path control unit 711 is provided on one side of the upper portion of the front frame 11; the rear wheel parking oil pipe 712 is connected to the parking oil passage control portion 711.

The rear wheel parking mechanism 73 comprises a rear wheel parking oil pump 731 and a rear wheel parking disc 732, wherein the rear wheel parking oil pump 731 is assembled on the disc brake bracket 4 through a second connecting piece and the second connecting hole 43, and is connected to the parking oil path control part 711 through the rear wheel parking oil pipe 712; the rear wheel parking disc 732 is assembled to the rear wheel assembly 92 in cooperation with the rear wheel parking oil pump 731.

In this embodiment, the rear wheel parking disc 732 and the rear wheel braking disc 632 are the same disc, and the discs are assembled coaxially with the rear wheel.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. The parking system of the electric tricycle is characterized by comprising

The frame body is provided with a front frame body and a rear frame body;

the front wheel assembly and the rear wheel assembly are respectively assembled on the front frame body and the rear frame body;

the side swinging mechanism is assembled between the front frame body and the rear frame body, and when the front frame body swings to the left side or the right side of the frame body, the rear frame body keeps balance through the side swinging mechanism;

the braking mechanism is assembled on the frame body;

the parking mechanism is assembled on the frame body and used for controlling locking and unlocking of the side swing mechanism;

the ECU central control system is used for collecting data information of the electric tricycle and sending control instructions, error reporting information and alarm information by analyzing the data information;

the parking mechanism, the braking mechanism, the active temperature control box and the ECU central control system are connected to the power supply system;

the side swing mechanism comprises

A housing, the housing comprising

The shaft hole is arranged at the rear part and the middle part in the shell;

the cavity is arranged at the front part of the shell and is communicated with the shaft hole;

the rotating shaft and the bearing are assembled in the shaft hole;

the side swing locking mechanism is assembled in the cavity, and the front part of the rotating shaft is connected with the side swing locking mechanism;

the housing comprises

An upper shell, wherein the edges of two sides of the upper shell are provided with upper connecting parts;

a lower connecting part is arranged at the edges of two sides of the lower shell;

the connecting surface of the upper connecting part opposite to the lower connecting part is a plane, and the upper connecting part and the lower connecting part are connected in a sealing way through the connecting surface;

the upper shell is provided with

The first rotating shaft half hole is arranged at the rear part and the middle part of the upper shell;

a first half cavity arranged at the front part of the upper shell;

the first rotating shaft half hole is communicated with the first half cavity;

the lower shell is provided with

The second rotating shaft half hole is arranged at the rear part and the middle part of the lower shell;

the second half cavity is arranged at the front part of the lower shell;

the second rotating shaft half hole is communicated with the second half cavity;

the first rotating shaft half hole and the second rotating shaft half hole form the shaft hole; the first half cavity and the second half cavity form the cavity;

the upper shell is also provided with

The first oil seal half groove group is arranged at the rear part of the first rotating shaft half hole;

the first buffer block mounting half groove is arranged at the front part of the first rotating shaft half hole;

the lower shell is also provided with

The second oil seal half groove group is arranged at the rear part of the second rotating shaft half hole;

the second buffer block mounting half groove is arranged at the front part of the second rotating shaft half hole;

the first oil seal half groove group and the second oil seal half groove group form an oil seal groove group;

the first buffer block installation half groove and the second buffer block installation half groove form a buffer block installation groove;

the side swing mechanism also comprises

The sealing piece is sleeved on the rotating shaft and is arranged in the oil seal groove group;

the buffer block is sleeved on the rotating shaft and is arranged in the buffer block mounting groove;

the bicycle brake further comprises a disc brake support, and the disc brake support is matched with the rear wheel assembly to be assembled on the rear frame body.

2. The parking system of an electric tricycle of claim 1 wherein the roll locking mechanism comprises

The locking fluted disc is assembled on the rotating shaft at the connecting center; the locking fluted disc comprises a disc body which is a sector disc body, the connecting center is arranged at the central angle of the disc body, and the shaft body of the rotating shaft is vertically connected with the connecting center; locking latch teeth arranged along an arc-shaped edge of a sector of the sector plate, the sector corresponding to the catch assembly;

the clamping hook component is connected with the parking mechanism in a transmission mode and is clamped on the locking fluted disc in a meshed mode;

the locking fluted disc and the clamping hook component are respectively assembled in the cavity;

the rotating space of the locking fluted disc is in the second half cavity, and the connecting surface of the upper connecting part is used as a limiting surface of the disc body; the locking fluted disc uses the connection center as the center, and the clockwise rotation angle range is 0-60 degrees and the anticlockwise rotation angle range is 0-60 degrees.

3. The parking system of an electric tricycle of claim 2 wherein the catch assembly comprises

The rear part of the transmission rod passes through the shell and is arranged in the cavity;

one side of the rocker arm is hinged to the rear part of the transmission rod;

the rear part of the rocker arm seat is hinged in the second half cavity, and the front part of the rocker arm seat is hinged to the other end of the rocker arm;

the tail end of the clamping hook is hinged to the rear part of the rocker arm seat;

and the chain link is connected with the top of the clamping hook and the front part or the middle part of the rocker arm seat.

4. The parking system of an electric tricycle of claim 1 wherein the disc brake support comprises

The bracket body comprises a first connecting part and a second connecting part;

the first inner groove is arranged at the side part of the first connecting part, and the groove surface of the first inner groove is an arc-shaped surface;

the first connecting holes are arranged on two sides of the notch of the first inner groove;

a second connecting hole arranged on the second connecting part,

the first mounting hole is formed at the joint of the first connecting part and the second connecting part, and the bracket body is assembled on the rear bracket body through the first mounting hole;

the fixing hole is formed in the bracket body, and the hole center of the fixing hole and the hole center of the first mounting hole are on the same horizontal line; the rear frame body is provided with a fixed column, and the fixed column is positioned in the fixed hole;

the fixed hole is a slotted hole, and the long diameter of the slotted hole passes through the hole center of the first mounting hole.

5. The parking system of an electric tricycle of claim 4 wherein the braking mechanism comprises

A brake control unit provided in the front frame;

a front wheel brake mechanism assembled on the front wheel assembly and connected to the brake control unit;

the rear wheel braking mechanism is assembled on the disc brake bracket of the rear wheel assembly and is connected with the braking control part;

the brake control section includes

A brake oil path control part arranged at one side of the upper part of the front frame body;

a front wheel brake oil pipe connected to the brake oil path control part;

a rear wheel brake oil pipe connected to the brake oil path control unit;

the front wheel braking mechanism comprises

A front wheel brake oil pump assembled at the lower part of the front frame body and connected to the brake oil path control part through the front wheel brake oil pipe;

a front wheel brake disc which is assembled on the front wheel assembly in cooperation with the front wheel brake oil pump;

the rear wheel brake mechanism comprises

The rear wheel brake oil pump is assembled on the disc brake bracket through a first connecting hole and a first connecting piece, is positioned in the first inner groove, and is connected with the brake oil circuit control part through the rear wheel brake oil pipe;

the rear wheel braking disc is assembled on the rear wheel assembly in cooperation with the rear wheel braking oil pump.

6. The parking system of an electric tricycle of claim 5 wherein the parking mechanism comprises

A parking control part arranged at one side of the upper part of the front frame body;

a rear wheel parking mechanism assembled on the rear wheel assembly and connected to the parking control part;

the parking control section includes

A parking oil path control part arranged at one side of the upper part of the front frame body;

the rear wheel parking oil pipe is connected to the parking oil circuit control part;

the rear wheel parking mechanism includes

The rear wheel parking oil pump is assembled on the disc brake bracket through a second connecting piece and the second connecting hole and is connected with the parking oil circuit control part through the rear wheel parking oil pipe;

the rear wheel parking disc is assembled on the rear wheel assembly in cooperation with the rear wheel parking oil pump.