CN220483378U - Power-assisted folding bicycle - Google Patents

Abstract

The utility model provides a helping hand folding car, relates to the shallow field, including folding frame, wheel, handle, battery and controller, in the folding frame is last to be installed and to set up the wheel the handle the battery with the controller, with part or whole wheel drive is connected and is set up wheel hub motor, in set up the wheel speed sensor of monitoring speed of a motor vehicle on the wheel, set up on the handle and be used for monitoring acting on the force sensor of the effort size on the handle, wheel hub motor wheel speed sensor and force sensor all with controller communication connection, the controller with the battery electricity is connected. The wheel speed sensor and the force sensor are used for collecting the wheel speed and the force acting on the handle to control the driving of the wheel hub motor to the wheel so as to provide proper driving force and driving direction, improve the intelligence of the assistance, and the frame is foldable and is convenient to carry in daily life.

Description

Power-assisted folding bicycle

Technical Field

The utility model relates to the field of carts, in particular to an electric power-assisted folding cart.

Background

The trolley is widely applied in life, but the existing trolley has obvious defects, for example, a common trolley can be folded but does not have assistance, and the trolley is pushed by manpower completely, so that the trolley can feel hard even when carrying heavy objects on flat ground, and the trolley is often required to pass through non-flat ground sections, such as an ascending slope, a descending slope, even grass passing fields, mud fields and the like when being applied in life. The required shallow of part production has increased electric power assisting function, for example common transport shallow in the workshop, but this kind of helping hand shallow is often heavier because of its load demand, and is difficult to fold so that place in the car trunk etc. and carry daily, and the daily life of being inconvenient for uses, and current in-factory helping hand shallow is not intelligent, need carry out certain study to the control of shallow, has certain restriction on the applicable object.

Therefore, in view of the above drawbacks, there is a need for an improved existing cart that both meets the power assist requirements and can be folded for portability.

Disclosure of Invention

The utility model aims to provide a power-assisted folding vehicle which can carry out intelligent power assistance and realize folding storage, and is more suitable for living needs.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the power-assisted folding bicycle comprises a folding bicycle frame, wheels, a handle, a battery and a controller, wherein the wheels, the handle, the battery and the controller are arranged on the folding bicycle frame, a wheel speed sensor for monitoring the speed of the bicycle is arranged on the wheels and is in driving connection with part or all of the wheels, a force sensor for monitoring the acting force acting on the handle is arranged on the handle, the wheel speed sensor, the force sensor and the wheel speed sensor are all in communication connection with the controller, and the controller is electrically connected with the battery; the wheel speed sensor and the force sensor are respectively used for collecting the wheel speed and the force acting on the handle to control the wheel drive of the wheel hub motor so as to provide proper driving force and driving direction, improve the intelligence of the auxiliary force, and the frame is foldable and is convenient for daily carrying;

correspondingly, the folding frame comprises a fixed support, a folding chassis and a movable support, wherein the fixed support is of two fixed and oppositely arranged frame structures, the folding chassis is transversely erected on the fixed support and comprises at least two chassis units, the adjacent two chassis units are rotatably connected, one end, closest to the fixed support, of the chassis unit facing the fixed support is rotatably connected with the fixed support, the movable support comprises an inverted V-shaped folding frame, two ends of the inverted V-shaped folding frame are respectively rotatably connected with the fixed support or/and the folding chassis, and the folding chassis and the inverted V-shaped folding frame are foldable in the interval direction of the two frame structures;

correspondingly, a plurality of support rods are arranged on the chassis unit; in view of the fact that the folding chassis consists of chassis units, the chassis units are folded through rotatable connection, so that the folding performance of the folding chassis cannot be affected due to the fact that the supporting rods are arranged on the chassis units, and meanwhile, the supporting stability of the folding chassis can be greatly improved;

correspondingly, the movable bracket further comprises two U-shaped frames which are rotatably connected into a rectangle, the U-shaped frames are also rotatably connected with the inverted V-shaped folding frames to form a cross folding structure, and the cross folding structure can be folded in the interval direction of the two frame structures; the U-shaped frame is arranged, so that a cross folding structure can be formed with the inverted V-shaped folding frame, the side protection capability is improved, the U-shaped frame can fill the protection blank of the side of the fixed support, meanwhile, the U-shaped frame is not rotatably connected with the fixed support, and particularly for a cart with a relatively large size, the problem of folding limitation caused by mutual restriction between rotatable connection relations can be further avoided;

correspondingly, the handle is arranged on the folding frame through a mounting rod, a lighting device is arranged on the mounting rod, and the lighting device is electrically connected with the battery; by arranging the lighting device on the mounting rod, the lighting requirement of the cart is met;

correspondingly, the lower port of the mounting rod is an inclined cutting port, one end of the mounting rod, which is close to the inclined cutting port, is provided with a containing cavity, and the lighting device is arranged in the containing cavity; the accommodating cavity can avoid the problem that the illumination device is easily damaged when exposed to the outside, and the illumination device can provide illumination for one end of the front side by the distance of the inclined cutting opening by arranging the inclined cutting opening, so that the limitation of illumination in the cavity to the illumination direction is reduced;

correspondingly, a charging device is arranged on the folding frame, and the charging device is electrically connected with the battery; by arranging the emergency charging device, emergency charging can be carried out particularly for outdoor camping lamp activities, and the disconnection event caused by mobile phone shutdown and the like is reduced;

correspondingly, the charging device comprises a wireless charging plate, the wireless charging plate is embedded and installed on a supporting plate, one side edge of the supporting plate is rotatably installed on the folding frame, a supporting rod is rotatably arranged on the bottom side of the supporting plate, and supporting points are correspondingly arranged on the folding frame; when charging is needed, the supporting plate is turned over, the footsteps of the supporting rod are supported on the supporting points to fix the supporting plate, and the mobile phone is placed on the wireless charging plate of the supporting plate to realize charging;

correspondingly, the supporting plate is also provided with an electric inserting port, and an electronic ultrasonic mosquito dispeller is arranged on the electric inserting port in an inserting mode; carry out the ultrasonic wave to the mosquito through setting up electron ultrasonic wave mosquito repellent ware and drive, improve outdoor experience.

The beneficial effects of the utility model are as follows:

1) The wheel speed sensor and the force sensor are respectively used for collecting the wheel speed and the force acting on the handle to control the wheel to be driven by the hub motor so as to provide proper driving force and driving direction and improve the intelligence of the auxiliary force;

2) The frame is foldable, more specifically, the frame is folded in a mode of a fixed support, a folding chassis and a movable support, the fixed support is not foldable, the mounting of structures such as a supporting plate is facilitated, the damage caused by folding and extrusion of the structures such as the supporting plate after the mounting is avoided, the folding chassis adopts a folding mode of a chassis unit, the folding is realized, the supporting strength is ensured, the movable support adopts a mode of combining an inverted V-shaped folding frame and a U-shaped frame, on one hand, a cross folding structure is formed, the side protection capability is improved, on the other hand, the U-shaped frame can fill the protection blank of the side of the fixed support, and meanwhile, the U-shaped frame is not rotatably connected with the fixed support, so that the problem of folding limitation caused by mutual restriction between rotatable connection relations can be further avoided for a cart with larger relative size;

3) The lighting device, the charging device and the electronic ultrasonic mosquito dispeller are arranged on the folding vehicle, so that the service skills of the folding vehicle required for life are further improved, and the use experience is improved.

Drawings

FIG. 1 is a schematic view of a power assisted folding bicycle according to an embodiment of the present utility model in an unfolded state;

FIG. 2 is a schematic view of a folding bicycle with assistance in a folded state according to an embodiment of the present utility model (for clarity of the structure of the folding bicycle frame, shielding of the folding bicycle frame by other structures is avoided, and thus the structure of the pallet is omitted);

FIG. 3 is a schematic view of the folding chassis of FIG. 2 with the folding chassis omitted;

FIG. 4 is a schematic folding view of FIG. 2 with the movable support omitted;

in the figure:

1. a fixed bracket;

21. a first chassis unit; 22. a second chassis unit;

31. an inverted V-shaped folding frame; 32. a U-shaped frame;

41. a driving universal wheel; 42. driven universal wheels; 43. a brake device;

51. a handle; 52. a mounting rod;

6. a lighting device;

71. a supporting plate; 72. a support rod;

8. a wireless charging pad; 9. an electronic ultrasonic mosquito dispeller.

Detailed Description

In the description of the present utility model, it should be understood that the terms used for indicating orientations or positional relationships are based on the orientation or positional relationships shown in the drawings, and are merely used for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operate in a particular orientation.

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

In one embodiment of the utility model, the power-assisted folding bicycle comprises a folding bicycle frame, wheels, a handle 51, a battery, a controller, a lighting device 6, a wireless charging plate 8, a supporting plate 71 and an electronic ultrasonic mosquito dispeller 9;

as shown in fig. 1-4, the folding chassis comprises a fixed bracket 1, a folding chassis and a movable bracket, the fixed bracket 1 is of two fixed and oppositely arranged frame structures, the folding chassis is transversely erected on the fixed bracket 1 and comprises at least two chassis units, the adjacent two chassis units are rotatably connected, and one end, closest to the fixed bracket 1, of the chassis unit facing the fixed bracket 1 is rotatably connected with the fixed bracket 1. In this embodiment, for simplicity of description, two chassis units are provided, and for convenience of distinction, one end near the handle 51 is referred to as a first chassis unit 21, and the other is referred to as a second chassis unit 22, and the rotatable connection is provided as a hinge, and the following is the same. The first chassis unit 21 and the second chassis unit 22 are further provided with a plurality of support bars 72, because each chassis unit is an independent folding unit, the overall folding of the chassis units is not affected even if the support bars 72 are provided on the chassis units, and thus, the support stability of the folding chassis can be greatly improved without concern of adding the support bars 72 to the chassis units. The movable bracket comprises an inverted V-shaped folding frame 31 and two U-shaped frames 32, wherein the two ends of the inverted V-shaped folding frame 31 are respectively hinged to the fixed bracket 1 or/and the folding chassis, the two U-shaped frames 32 are hinged to form a rectangle, the length direction of the rectangle formed by the hinged U-shaped frames 32 is the same as the spacing direction of the two frame structures, and therefore the U-shaped frames 32 and the inverted V-shaped folding frame 31 are hinged to form a cross folding structure, and the cross folding structure can be folded in the spacing direction of the two frame structures. By adopting the combination of the inverted V-shaped folding frame 31 and the U-shaped frame 32, on one hand, a cross folding structure can be formed on two opposite side surfaces, the folding can be realized to the greatest extent in the distance direction of the two frame structures, after the folding vehicle is unfolded, the two opposite sides can provide relatively uniform protection, on the other hand, the folding of the U-shaped frame 32 completely depends on the hinging relation between the folding vehicle and the inverted V-shaped folding frame 31, the U-shaped frame 32 is driven by the inverted V-shaped folding frame 31, the U-shaped frame 32 is not hinged with the fixed bracket 1, the problem that the U-shaped frame 32 is difficult to fold and unfold to a greater extent due to limitation caused by the mutual limitation of hinging points between the U-shaped frame 32 and the fixed bracket 1 and the inverted V-shaped folding frame 31 is avoided when the U-shaped frame 32 is folded or unfolded, and particularly for folding vehicles with larger sizes;

in this embodiment, two driving universal wheels 41 driven by the wheel hub motor are installed under the first chassis unit 21, a braking device 43 is arranged on the driving universal wheels 41, two driven universal wheels 42 are installed under the second chassis unit 22, a wheel speed sensor for monitoring the speed of a vehicle is arranged on the driven universal wheels 42, a force sensor (for example, a strain type force sensor) for monitoring the acting force acting on the handle 51 is arranged on the handle 51, the controller is specifically a single-chip microcomputer, the wheel hub motor, the wheel speed sensor and the force sensor are all in communication connection with the single-chip microcomputer, and the single-chip microcomputer and the battery are electrically connected. The electric energy required by the work of the single-chip microcomputer is supplied to the single-chip microcomputer through the battery, the wheel speed sensor and the force sensor respectively transmit the wheel speed information and the acting force information (such as thrust, tension, deflection force and the like) to the single-chip microcomputer, and the single-chip microcomputer controls the driving direction and the driving force of the hub motor according to the information, and then drives the driving universal wheel 41 through the hub motor, so that intelligent power assisting is realized. The technology of controlling the hub motor to provide the adaptive driving force according to various sensing information is the prior art, and the utility model is not repeated. In addition, special attention needs to be paid to the fact that different types of sensors have different charging modes, some of the sensors need external power, some of the sensors can directly obtain electric energy through a singlechip, and the sensors only need to be correspondingly arranged according to the selected types of sensors;

the handle 51 is installed through the installation rod 52, the illumination device 6 is arranged on the installation rod 52, the illumination device 6 is electrically connected with the battery, further, the lower port of the installation rod 52 is an inclined cutting port, one end of the installation rod 52 close to the inclined cutting port is provided with a containing cavity, the illumination device 6 is arranged in the containing cavity, an illumination light source irradiates the front of the inclined cutting port, the containing cavity can avoid the problem that the illumination device 6 is exposed to the outside and is easy to damage, and the illumination device 6 can provide illumination for the front end distance through the inclined cutting port by arranging the inclined cutting port, so that the limitation of illumination in the cavity to the illumination direction is reduced;

the charging device is arranged on the folding frame and is electrically connected with the battery, in the embodiment, the supporting plate 71 is arranged on one fixed support 1 of the principle handle 51, the wireless charging plate 8 is embedded and arranged on the supporting plate 71, the wireless charging plate 8 is electrically connected with the battery, one side of the supporting plate 71 is arranged on the fixed support 1 through a hinged hinge, the supporting rod 72 is rotatably arranged on the bottom side of the supporting plate 71, the supporting point is correspondingly arranged on the folding frame, when charging is needed, the supporting plate 71 is turned over, the footsteps of the supporting rod 72 are supported on the supporting point to fix the supporting plate 71, and the mobile phone is arranged on the wireless charging plate 8 of the supporting plate 71, so that charging can be realized;

still be provided with on the layer board 71 and insert the electric mouth, the same reason inserts the electric mouth and is also connected with the battery electricity, and the cartridge sets up electron ultrasonic mosquito repellent 9 on inserting the electric mouth, carries out the ultrasonic wave to the mosquito through setting up electron ultrasonic mosquito repellent 9 and drives, improves outdoor experience.

In addition, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and this description is for clarity only, and those skilled in the art will recognize that the embodiments of the disclosure may be suitably combined to form other embodiments as would be understood by those skilled in the art.

Claims (9)

1. The utility model provides a helping hand folding car, includes folding frame, wheel, handle, battery and controller, its characterized in that in the installation sets up on the folding frame the wheel the handle the battery with the controller, with part or whole wheel drive is connected and is set up in-wheel motor, in set up the wheel speed sensor of monitoring speed of a motor vehicle on the wheel, set up on the handle and be used for monitoring acting force size's on the handle force sensor, in-wheel motor the wheel speed sensor and force sensor all with controller communication connection, the controller with the battery electricity is connected.

2. The power-assisted folding bicycle according to claim 1, wherein the folding frame comprises a fixed bracket, a folding chassis and a movable bracket, the fixed bracket is of two fixed and oppositely arranged frame structures, the folding chassis is transversely erected on the fixed bracket, the folding chassis comprises at least two chassis units, two adjacent chassis units are rotatably connected, one end, closest to the fixed bracket, of the chassis unit facing the fixed bracket is rotatably connected with the fixed bracket, the movable bracket comprises an inverted-V-shaped folding frame, two ends of the inverted-V-shaped folding frame are respectively rotatably connected with the fixed bracket or/and the folding chassis, and the folding chassis and the inverted-V-shaped folding frame are foldable in the interval direction of the two frame structures.

3. The power assisted folding bicycle of claim 2, wherein a plurality of support bars are provided on the chassis unit.

4. The power assisted folding bicycle of claim 2 wherein the movable bracket further comprises two U-shaped brackets rotatably connected in a rectangular shape, the U-shaped brackets further rotatably connected with the inverted V-shaped folding brackets to form a cross folding structure, the cross folding structure being foldable in a direction of a spacing of the two frame structures.

5. The power assisted folding bicycle of claim 1, wherein the handle is disposed on the folding bicycle frame by a mounting bar, and a lighting device is disposed on the mounting bar, and the lighting device is electrically connected to the battery.

6. The assisted folding bicycle of claim 5, wherein the lower end of the mounting rod is an inclined cutting port, and one end of the mounting rod adjacent to the inclined cutting port is provided with a receiving cavity in which the lighting device is disposed.

7. The power assisted folding bicycle of claim 1, wherein a charging device is provided on the folding bicycle frame, and the charging device is electrically connected to the battery.

8. The power assisted folding bicycle of claim 7, wherein the charging device comprises a wireless charging plate embedded in and mounted on a supporting plate, one side of the supporting plate is rotatably mounted on the folding bicycle frame, a supporting rod is rotatably arranged on the bottom side of the supporting plate, and supporting points are correspondingly arranged on the folding bicycle frame.

9. The power-assisted folding bicycle of claim 8, wherein the supporting plate is further provided with an electric port, and an electronic ultrasonic mosquito dispeller is arranged on the electric port in a plug-in manner.