Self-unloading mechanism of electric tricycle and electric tricycle
The purely mechanical self-unloading mechanism solves the problem of manual unloading of cargo from electric tricycles, achieving automatic unloading, saving energy, and improving the range of electric tricycles.
Patent Information
- Application Number
- CN202520129488.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The existing electric tricycles have inefficient cargo box designs, require manual unloading, and have complex electric structures that consume a lot of energy, resulting in poor range.
Design a purely mechanical self-unloading mechanism that enables automatic unloading of cargo when the cargo compartment is tilted through a locking lever and a tilting mechanism. The mechanism includes the mechanical cooperation of hooks, baffles and tilting mechanism. It has a simple structure and requires no energy consumption.
It enables automatic unloading of cargo when the vehicle body is tilted, saving energy, reducing costs, and improving the range of electric tricycles.
Smart Images
Figure CN223605521U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of electric tricycle, specifically, relate to a kind of electric tricycle self-unloading mechanism and electric tricycle. BACKGROUND
[0002] The existing electric tricycle carriage is mostly fixed design, and the loading and unloading of the carriage needs manual operation, which is not only inefficient but also increases the labor intensity of the operator.
[0003] In addition, although some electric tricycles have a carriage turnover function, most of them use an electric structure, which is complex and increases the load of the electric tricycle itself. When frequently loading and unloading goods, the electric tricycle consumes too much electricity, resulting in poor endurance of the electric tricycle. SUMMARY
[0004] The utility model aims at providing an electric tricycle self-unloading mechanism and electric tricycle, which can automatically unload when the carriage is turned over, and the self-unloading structure is a pure mechanical mechanism, which is simple in structure, small in size and energy-saving, can save energy, reduce cost and improve the endurance of the tricycle.
[0005] The embodiment of the utility model is implemented as follows:
[0006] The embodiment of the application provides an electric tricycle self-unloading mechanism, which comprises a compartment frame and a carriage, the carriage is movably arranged on the top of the compartment frame, the rear end of the carriage is provided with a compartment door, and the top of the compartment door is hinged to the carriage; the bottom of the carriage is hinged to the rear end of the compartment frame on both sides and connected to the compartment frame by a locking pull rod respectively;
[0007] The locking pull rod comprises a rod body, one end of the rod body is hinged with a hook, the bent part of the hook is hinged to the bottom of the carriage, and the hook is used for hooking with the limiting block outside the compartment frame; the other end of the rod body is provided with a baffle, the bottom of the baffle is rotatably connected below the compartment door, one side of the baffle towards the rod body is hinged to the rod body, and the baffle is used for abutting against the outside of the compartment door when the compartment door is closed.
[0008] Further, based on the foregoing scheme, the baffle comprises a first plate body and a second plate body bent relative to each other, and the second plate body and the first plate body form an obtuse angle; one end of the rod body is hinged to one side of the second plate body; the first plate body is used for abutting against the compartment door.
[0009] Further, based on the foregoing scheme, the rear end of the compartment frame is provided with a backrest on both sides respectively, the top of the backrest is provided with a hinge position, and the bottom of the carriage is hinged to the hinge position through a connecting plate;
[0010] The backrest extends from the hinge position to one end of the door and is inclined downward to form an inclined part; a support pulley is rotatably arranged on the top surface of the inclined part, and the support pulley protrudes from the inclined surface of the inclined part; the inclination angle of the inclined part is consistent with the turning angle of the vehicle compartment.
[0011] Further, based on the foregoing scheme, the end of the inclined part close to the door is connected to the wheel shaft of the tricycle through a connecting piece.
[0012] Further, based on the foregoing scheme, the bottom of the backrest is in an upwardly concave arc shape.
[0013] Further, based on the foregoing scheme, the top surface of the compartment frame and the backrest is provided with a soft pad.
[0014] A motor tricycle comprises the self-unloading mechanism and a tricycle frame, the front end of the tricycle frame is provided with a driving position, the compartment frame is fixed to the rear end of the tricycle frame, and the front end of the vehicle compartment is connected to the front end of the compartment frame through a turning mechanism.
[0015] Further, based on the foregoing scheme, the turning mechanism comprises a rotating shaft, a lever and a clamping plate, the rotating shaft is rotatably arranged on the bottom of the vehicle compartment.
[0016] One end of the lever is connected to one end of the rotating shaft, and the other end of the lever extends to one side of the driving position through the front end surface of the vehicle compartment.
[0017] The clamping plate is provided with two clamping plates, the two clamping plates are respectively arranged at the two ends of the rotating shaft, one side of one of the clamping plates is connected to the bottom of the vehicle compartment through a spring, one side of the clamping plate facing the rear end of the vehicle compartment is provided with a clamping groove, and the front end of the compartment frame is provided with a locking rod on each side.
[0018] Further, based on the foregoing scheme, a notch is arranged at a position opposite to the clamping plate on the bottom of the vehicle compartment, and the width of the notch is consistent with the width of the clamping plate.
[0019] Further, based on the foregoing scheme, the lever is in a bent shape, and the bent part of the lever is in a circular arc transition.
[0020] Compared with the prior art, the embodiments of the utility model have at least the following advantages or beneficial effects:
[0021] This application utilizes a movable connection between the frame and the cargo box. The bottom of the cargo box is hinged to the frame and connected to the frame via a locking rod. When the cargo box is not tilted, a hook at one end of the rod engages with a limiting block on the outside of the frame, fixing the cargo box to the frame. A baffle at the other end of the rod abuts against the cargo door, and the tension of the rod is transmitted to the baffle, securing the door and preventing it from opening. When the cargo box tilts, the hook separates from the limiting block, the rod tilts with the cargo box, and the baffle moves downwards, separating from the door, allowing the door to open for unloading. This application enables automatic unloading when the cargo box tilts, and the self-unloading structure is a purely mechanical mechanism. It is simple in structure, small in size, and energy-efficient, saving energy, reducing costs, and improving the tricycle's range. Attached Figure Description
[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a schematic diagram of the structure of the electric tricycle according to an embodiment of the present utility model;
[0024] Figure 2 This is a schematic diagram of the structure of the locking rod of this utility model;
[0025] Figure 3 This is a schematic diagram of the structure of the carriage when it is opened according to an embodiment of this utility model;
[0026] Figure 4 This is a schematic diagram of the frame structure of this utility model;
[0027] Figure 5 This is a partial structural diagram of the carriage when it is tilted upwards according to an embodiment of the present invention;
[0028] Figure 6 This is a schematic diagram of the flipping mechanism in an embodiment of the present invention.
[0029] Icons: 10-Carriage frame, 11-Limit block, 12-Backing plate, 121-Hinge, 122-Inclined part, 123-Support pulley, 124-Connector, 13-Locking rod, 20-Carriage, 21-Carriage door, 22-Notch, 30-Locking lever, 31-Bar body, 32-Hook, 33-Baffle, 331-First plate, 332-Second plate, 40-Padded pad, 50-Tricycle frame, 60-Tilting mechanism, 61-Shaft, 62-Lever, 63-Card plate, 631-Card slot, 64-Spring. Detailed Implementation
[0030] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0031] Please refer to Figures 1-6 , which is a schematic diagram of a self-unloading mechanism of an electric tricycle and the overall structure of the electric tricycle,
[0032] The embodiment provides a self-unloading mechanism of an electric tricycle, which comprises a compartment frame 10 and a vehicle compartment 20, the vehicle compartment 20 is movably arranged on the top of the compartment frame 10, the rear end of the vehicle compartment 20 is provided with a compartment door 21, the top of the compartment door 21 is hinged to the vehicle compartment 20; the bottom of the vehicle compartment 20 is hinged to the rear end of the compartment frame 10 on both sides and is connected to the compartment frame 10 through a locking pull rod 30 on both sides respectively.
[0033] The locking pull rod 30 comprises a rod body 31, one end of the rod body 31 is hinged with a hook 32, the bent part of the hook 32 is hinged to the bottom of the vehicle compartment 20, the hook 32 is used for hooking with the limiting block 11 outside the compartment frame 10; the other end of the rod body 31 is provided with a baffle 33, the bottom of the baffle 33 is rotatably connected below the compartment door 21, the side of the baffle 33 towards the rod body 31 is hinged to the rod body 31, the baffle 33 is used for abutting against the outside of the compartment door 21 when the compartment door 21 is closed.
[0034] In the following, the self-unloading mechanism of the electric tricycle of the present exemplary embodiment will be further described.
[0035] In some embodiments, referring to Figure 1 The bottom of the vehicle compartment 20 is hinged to the rear end of the compartment frame 10 on both sides and is connected to the compartment frame 10 through a locking pull rod 30 on both sides respectively, so that the connection between the vehicle compartment 20 and the compartment frame 10 is more stable when the vehicle compartment 20 is turned over, and the compartment door 21 of the vehicle compartment 20 is opened or closed through the locking pull rod 30. The front end of the bottom of the vehicle compartment 20 can be driven to turn over through a turnover mechanism.
[0036] As Figure 2 The locking pull rod 30 is provided with two, which are respectively located on both sides of the bottom of the vehicle compartment 20, comprising a rod body 31, one end of the rod body 31 is hinged with a hook 32, the bent part of the hook 32 is hinged to the bottom of the vehicle compartment 20, the hook 32 is used for hooking with the limiting block 11 outside the compartment frame 10; through the hooking mode, the vehicle compartment 20 can be automatically separated and connected with the compartment frame 10 when the vehicle compartment 20 is turned over.
[0037] The hook 32 is L-shaped, the limiting block 11 is rectangular block, and the hook 32 is adapted to hook with the limiting block 11. Specifically, when the vehicle compartment 20 is turned over upwards, the hook 32 is separated from the limiting block 11, and when the vehicle compartment 20 is turned over downwards, the hook 32 is hooked with the limiting block 11.
[0038] As Figure 3The other end of the rod body 31 is provided with a baffle 33, the bottom of the baffle 33 is rotationally connected below the door 21, so that the baffle 33 can rotate below the door 21 to realize the abutment and separation with the door 21. The side of the baffle 33 towards the rod body 31 is hinged to the rod body 31, and the baffle 33 is used to abut against the outside of the door 21 when the door 21 is closed. The hinged connection mode enables the baffle 33 to rotate flexibly when the rod body 31 is turned over. Through the mechanical cooperation of the hook 32, the rod body 31 and the baffle 33, the opening and closing of the door 21 can be realized when the vehicle compartment 20 is turned over upward and downward, thereby realizing automatic unloading. The pure mechanical structure is simple in structure, small in size and does not need to consume energy, especially when the goods are frequently loaded and unloaded, the power of the electric tricycle can be saved, and the endurance of the electric tricycle can be improved.
[0039] As a preferred embodiment, the baffle 33 includes a first plate body 331 and a second plate body 332 which are bent relative to each other, and the second plate body 332 forms an obtuse angle with the first plate body 331. One end of the rod body 31 is hinged to one side of the second plate body 332. The first plate body 331 is used to abut against the door 21. Through the first plate body 331 and the second plate body 332 which are bent relative to each other, the first plate body 331 and the second plate body 332 change the inclination angle with the rotation of the rod body 31, and realize the abutment, separation with the door 21 and the connection with the rod body 31.
[0040] As a preferred embodiment, as shown in FIG. 4, the compartment frame 10 is in a rectangular box structure with an open top. The rear end of the compartment frame 10 is provided with a backrest 12 on each side. The top of the backrest 12 is provided with a hinge position 121. The bottom of the vehicle compartment 20 is hinged to the hinge position 121 through a connecting plate. That is, the connecting plate and the hinge position 121 are both provided with hinge holes, and the hinge is achieved by rotating through the hinge holes.
[0041] The backrest 12 extends from the hinge position 121 to one end of the door 21 and is inclined downward to form an inclined portion 122. The inclination angle of the inclined portion 122 is consistent with the turning angle of the vehicle compartment 20. When the vehicle compartment 20 is turned upward and inclined, the bottom of the vehicle compartment 20 can abut against the inclined portion 122 of the backrest 12 to support the vehicle compartment 20. The top surface of the inclined portion 122 is rotationally provided with a supporting pulley 123 which protrudes from the inclined surface. The supporting pulley 123 can improve the support of the vehicle compartment 20 and reduce the friction therebetween, so that the vehicle compartment 20 can be flexibly turned on the compartment frame 10.
[0042] As a preferred embodiment, one end of the inclined portion 122 close to the door 21 is connected to the axle of the tricycle through a connecting piece 124. The connecting piece 124 can be a plate body or a rod body 31, which is connected to the axle to improve the stability of the extended part of the backrest 12 at the rear end of the compartment frame 10.
[0043] As a preferred embodiment, the bottom of the backrest 12 is concave upward, so that the backrest 12 does not interfere with the wheel shaft of the vehicle wheel.
[0044] As a preferred embodiment, the top of the compartment frame 10 is provided with a plurality of accommodating cavities, which can be used to install the storage battery and other devices of the electric tricycle.
[0045] As a preferred embodiment, the top surface of the compartment frame 10 and the backrest 12 is provided with a soft pad 40, which can be made of silicone rubber, used to abut between the compartment 20 and the compartment frame 10, reduce the impact force during the turnover process, and improve the buffering performance.
[0046] The application also provides an electric tricycle, which comprises the automatic unloading mechanism, and further comprises a tricycle frame 50, the front end of the tricycle frame 50 is provided with a driving position, and the compartment frame 10 is fixed to the rear end of the tricycle frame 50. Figure 1 The front end of the compartment 20 is connected to the front end of the compartment frame 10 through the turnover mechanism, and the compartment 20 is driven to turn over upward or downward through the turnover mechanism.
[0047] As a preferred embodiment, referring to Figure 5 and Figure 6 The turnover mechanism comprises a rotating shaft 61, a lever 62 and a clamping plate 63. The rotating shaft 61 is rotatably arranged at the bottom of the compartment 20. One end of the lever 62 is connected to one end of the rotating shaft 61, and the other end of the lever 62 extends to one side of the driving position through the front end surface of the compartment 20. Two clamping plates 63 are arranged at the two ends of the rotating shaft 61, and one side of one of the clamping plates 63 is connected to the bottom of the compartment 20 through a spring 64. A clamping groove 631 is formed on the side of the clamping plate 63 facing the rear end of the compartment 20. Lock rods 13 are arranged at the two sides of the front end of the compartment frame 10, and the clamping groove 631 and the lock rods 13 are adapted to be clamped. The user drives the rotating shaft 61 to rotate by pulling the lever 62, thereby driving the two clamping plates 63 on the lever 62 to rotate. The rotation of the clamping plate 63 causes the clamping groove 631 to clamp or separate from the lock rod 13, thereby realizing the connection and separation of the front end of the compartment 20 and the front end of the compartment frame 10. By arranging the spring 64 at least one of the clamping plates 63 and elastically connecting it to the bottom of the compartment 20, a pulling force can be applied to the clamping plate 63 when the clamping plate 63 and the lock rod 13 are clamped, so that the clamping plate 63 can be firmly clamped on the lock rod 13 and is not easy to separate. When the lever 62 is pulled upward, the clamping plate 63 and the lock rod 13 are separated, and at this time the compartment 20 is turned over upward, so that the compartment 20 is inclined and the compartment door 21 is opened.
[0048] As a preferred embodiment, the bottom of the compartment 20 is provided with a notch 22 opposite to the clamping plate 63, the width of the notch 22 is consistent with the width of the clamping plate 63, so that the clamping plate 63 does not interfere with the compartment 20 during rotation, and the rotation of the clamping plate 63 is not blocked by the compartment 20.
[0049] As a preferred embodiment, the push rod 62 is in a bent shape, and the bent part of the push rod 62 is in a circular arc transition, which is convenient for users to control.
[0050] The above-mentioned turnover mechanism also adopts a pure mechanical structure, which does not consume energy, can further save the power of the electric tricycle, and improve the endurance of the electric tricycle.
[0051] Working principle:
[0052] When unloading is needed, the push rod 62 is pushed upward, the clamping plate 63 is separated from the lock rod 13, and the compartment 20 is turned upward to an inclined state; at this time, the hook 32 moves upward and separates from the limiting block 11, and the baffle 33 moves downward and separates from the compartment door 21, and the compartment door 21 loses the clamping force and automatically opens to unload. When it is needed to close the compartment door 21, pull the push rod 62, and turn the push rod 62 downward, at the same time, pull the compartment 20 to turn downward, and the clamping plate 63 is clamped on the lock rod 13, at this time, the hook 32 moves downward and hooks on the limiting block 11, and the baffle 33 moves upward and clamps on the outside of the compartment door 21, to close the compartment door 21.
[0053] In addition, unless otherwise explicitly specified or limited, in the embodiments of the present application, if the terms "mounting", "connecting" appear, they should be understood in a broad sense. For example, "connecting" can be detachable connection, or can be non-detachable connection; can be direct connection, or can be indirect connection through an intermediate medium. If the terms "upper", "lower", "left", "right", "inner", "outer", "side" and other orientation terms appear, they are only the direction of the drawing or the orientation of the product when it is usually placed, and are only for the purpose of clearly describing the present application, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as a limitation on the present application. The terms "first", "second" and the like are only used for distinction in description, and cannot be understood as indicating or implying relative importance; "multiple" means at least two. In the embodiments of the present application, the relative positional relationship limitations such as parallel, vertical, aligned and the like are relative to the current process level, and are not strictly limited, and a small amount of deviation is allowed, such as approximately parallel, approximately vertical, approximately aligned and the like. For example, A is parallel to B, which means that A and B are parallel or approximately parallel, and the included angle between A and B can be between 0 degrees and 10 degrees.
[0054] The above merely describes some embodiments and implementations of the present application, and the protection scope of the present application is not limited thereto, and the embodiments in the present application and the features in the embodiments can be combined with each other, and any combination of the features in different embodiments is also within the protection scope of the present application, and any changes or replacements that can be easily conceived by any person skilled in the art within the technical scope disclosed by the present application should be encompassed within the protection scope of the present application.
Claims
1. A self-unloading mechanism for an electric tricycle, characterized in that, It includes a frame and a carriage, the carriage being movably mounted on top of the frame, and a door being provided at the rear end of the carriage, the top of which is hinged to the carriage; the bottom sides of the carriage are hinged to the rear sides of the frame and connected to the frame via locking rods respectively; The locking lever includes a lever body, one end of which is hinged with a hook. The bent portion of the hook is hinged to the bottom of the carriage, and the hook is used to engage with a limiting block on the outside of the carriage frame. The other end of the lever body is provided with a baffle. The bottom of the baffle is rotatably connected to the bottom of the carriage door. The lower part of the baffle facing the lever body is hinged to the lever body. The baffle is used to press against the outside of the carriage door when the door is closed.
2. The electric tricycle self-unloading mechanism according to claim 1, characterized in that, The baffle includes a first plate and a second plate that are bent at an obtuse angle to each other; one end of the rod is hinged to one side of the second plate; the first plate is used to abut against the door.
3. The electric tricycle self-unloading mechanism according to claim 1, characterized in that, The rear sides of the frame are respectively provided with backing plates, and the top of the backing plates is provided with hinge positions. The bottom of the carriage is hinged to the hinge positions through connecting plates. The backrest extends from the hinge position toward one end of the compartment door and tilts downward to form an inclined section; a support pulley is rotatably provided on the top surface of the inclined section, and the support pulley protrudes from its inclined surface; the tilt angle of the inclined section is consistent with the tilt angle of the compartment.
4. The electric tricycle self-unloading mechanism according to claim 3, characterized in that, The inclined part near the door is connected to the axle of the tricycle via a connector.
5. The electric tricycle self-unloading mechanism according to claim 3, characterized in that, The bottom of the backrest is an upwardly concave arc shape.
6. The electric tricycle self-unloading mechanism according to claim 3, characterized in that, The top surface of the frame and the backrest is provided with a soft pad.
7. An electric tricycle, characterized in that, Includes a self-unloading mechanism as described in any one of claims 1-6 and a three-wheeled vehicle frame, wherein a driver's seat is provided at the front end of the three-wheeled vehicle frame, and the cargo box is fixed to the rear end of the three-wheeled vehicle frame; the front end of the cargo box is connected to the front end of the cargo box via a flipping mechanism.
8. The electric tricycle according to claim 7, characterized in that, The tilting mechanism includes a rotating shaft, a lever, and a locking plate, with the rotating shaft rotatably located at the bottom of the carriage. One end of the lever is connected to one end of the rotating shaft, and the other end of the lever passes through the front face of the carriage and extends to the driver's side; Two card plates are provided, and the two card plates are respectively set at both ends of the rotating shaft. One side of one of the card plates is connected to the bottom of the carriage by a spring. A card slot is opened on the side of the card plate facing the rear end of the carriage. Locking rods are provided on both sides of the front end of the carriage frame, and the card slot and the locking rod are adapted to engage.
9. The electric tricycle according to claim 8, characterized in that, A notch is provided at the bottom of the carriage, opposite to the card plate, and the width of the notch is the same as the width of the card plate.
10. The electric tricycle according to claim 8, characterized in that, The lever is bent, and the bend of the lever has a rounded transition.