A folding transport cart and vehicle

Abstract

This application discloses a folding transport vehicle and a trolley. The folding transport vehicle includes: a control rod and a telescopic rod slidably connected, a following sensor mounted on the control rod, and the telescopic rod sliding along its length to achieve raising and lowering; a storage bracket mounted on the bottom of the telescopic rod; a folding mechanism rotatably connected to the bottom of the control rod; a base on which the folding mechanism is mounted, the base housing the control rod folded to the base, and the storage bracket retracting into the base when the telescopic rod slides to the bottom of the control rod; and rollers mounted on the base; a drive assembly for driving the telescopic rod to slide, driving the folding mechanism to rotate the bottom of the control rod, and driving the rollers to roll. The vehicle includes the folding transport vehicle. This application automatically switches between three states: folded, balanced, and following, improving the convenience of operation and carrying the vehicle, and enhancing its integration with the vehicle.

Description

Technical Field

[0001] This application relates to the field of transportation technology, and in particular to a folding transport vehicle and vehicle. Background Technology

[0002] With the continuous development of vehicle technology, users have higher and higher requirements for the intelligence, convenience and integration of vehicles. Electric balance vehicles can solve the "last mile" problem for users to commute to and from get off work due to their convenience, and their compatibility with vehicles is also receiving more and more attention.

[0003] Currently, the foot control sticks of traditional electric self-balancing scooters cannot be effectively folded in space, increasing the difficulty of storing the scooters and greatly reducing their portability. This also leads to the problem of excessive space occupation when integrated into the vehicle. Furthermore, the passenger and cargo carrying modes of traditional electric self-balancing scooters are mostly switched by workers, and their convenience needs improvement. Summary of the Invention

[0004] The purpose of this application is to provide a foldable transport vehicle that automatically switches between three states: folded, balanced, and following, thereby improving the convenience of operation and carrying.

[0005] This application provides a folding transport vehicle, comprising: a control rod and a telescopic rod slidably connected, wherein a following sensor is installed on the control rod, and the telescopic rod is slidably configured along the length direction of the control rod to achieve lifting and lowering of the telescopic rod; a storage bracket installed at the bottom of the telescopic rod and lifting and lowering together with the telescopic rod; a folding mechanism rotatably connected to the bottom of the control rod; a base, wherein the folding mechanism is installed on the base, and the base houses the control rod folded and rotated onto the base; when the telescopic rod slides to the bottom of the control rod, the storage bracket is housed on the base, and rollers are installed on the base; and a drive assembly for driving the telescopic rod to slide, driving the folding mechanism to rotate the bottom of the control rod, and driving the rollers to roll.

[0006] Optionally, the control rod has a sliding groove along its length, the telescopic rod is slidably disposed within the control rod, and the mounting part of the storage bracket passes through the sliding groove from the outside and is connected to the telescopic rod.

[0007] Optionally, the drive assembly includes a rotary motor, the folding mechanism includes a connecting plate connected to the base, a connecting rod rotatably connected to the connecting plate, the connecting rod being connected to the control rod, and the rotary motor being rotatably connected to the connecting rod via a universal joint.

[0008] Optionally, the universal joint includes a center pin and a first coupling and a second coupling respectively connected to both ends of the center pin. The first coupling is connected to the connecting rod, and the second coupling is connected to the rotary motor.

[0009] Optionally, the base includes a housing, a main plate disposed within the housing, and two foot pedals mounted on the main plate. A limiting protrusion is provided on the portion of the main plate between the two foot pedals to support a control rod folded onto the base.

[0010] Optionally, the storage rack includes an upper support and a lower support arranged opposite to each other, and a flexible member surrounding the upper support and the lower support. The upper support is mounted on the telescopic rod, and the lower support is mounted on the main body plate.

[0011] Optionally, a positioning frame is installed on the main body plate, a bracket is movably installed on the positioning frame, an auxiliary wheel is installed on the bracket, and an electric telescopic rod is provided between the bracket and the main body plate. The electric telescopic rod controls the extension and retraction of the auxiliary wheel by extending and retracting, so as to realize the switching of the auxiliary wheel between the working state and the retracted state.

[0012] Optionally, the folding transport vehicle also includes an upper cover, one end of which is connected to the telescopic rod. When the control rod is folded onto the base, the upper cover is located on one side of the base.

[0013] Optionally, the folding transport vehicle also includes a laser ranging element installed at the front end of the base, and three positioning elements respectively arranged on both sides and the rear end of the base.

[0014] The present application provides a vehicle including a rear floor and a folding transport vehicle as described above. The rear floor is provided with a liftable storage compartment. The folding transport vehicle in the folded state enters the lowered storage compartment and is stored on the rear floor as the storage compartment rises.

[0015] The above technical solution has the following beneficial effects:

[0016] The folding transport vehicle and its components provided in this application achieve fully automatic folding of the control lever relative to the vehicle base in both the normal and horizontal directions through the cooperation of a control lever and a folding mechanism. This results in a compact structure, requires minimal storage space, and improves the vehicle's portability. The vehicle can also be stored inside the vehicle body in its folded state, achieving a high degree of integration with the overall vehicle and effectively solving the "last mile" problem for customers. The following sensor enables the vehicle to automatically position and calibrate its following position. Combined with the storage function of the storage bracket, it achieves automatic following in the storage state, increasing the convenience of vehicle operation and use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the folding transport vehicle in a folded state according to one embodiment of this application;

[0018] Figure 2 This is a schematic diagram of the structure of the folding transport vehicle in a balanced state according to one embodiment of this application;

[0019] Figure 3 This is a schematic diagram of the structure of the folding transport vehicle in a following state according to one embodiment of this application;

[0020] Figure 4 This is an exploded view of a folding transport vehicle according to one embodiment of this application;

[0021] Figure 5 This is a schematic diagram of the control rod and telescopic rod that are slidably connected in one embodiment of this application;

[0022] Figure 6 This is a schematic diagram of the folding mechanism in one embodiment of this application.

[0023] Figure 7 This is an exploded view of the substrate in one embodiment of this application.

[0024] Attached icon number

[0025] 1-Control lever, 101-Sliding groove, 10-Follow sensor, 11-First countersunk screw, 12-Storage bracket, 13-Fixing pin, 14-Positioning pin, 15-Second countersunk screw, 16-Rotary motor, 170-First coupling, 17-Second coupling, 18-Center pin, 19-Hex socket screw;

[0026] 2-Folding mechanism, 20-Connecting plate, 21-Connecting rod, 22-Snap ring, 23-Bearing, 24-Insertion plate, 25-Connecting screw, 26-Foot pedal, 27-Main body plate, 28-Lower bracket, 29-Laser rangefinder element;

[0027] 3-Roller, 30-Sensor, 31-Sensing plate, 32-Positioning element, 33-Battery plate, 34-Auxiliary wheel, 35-Bracket, 36-Positioning pin, 37-Positioning frame, 38-Electric telescopic rod;

[0028] 4-Upper shell;

[0029] 5-Lower housing;

[0030] 6-Top cover;

[0031] 7- Bending plate;

[0032] 8- Lifting motor;

[0033] 9-Telescopic pole. Detailed Implementation

[0034] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0035] It is readily understood that, based on the technical solution of this invention, various structural and implementation methods can be interchanged by those skilled in the art without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of the invention.

[0036] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly used in this specification are defined relative to the structures shown in the accompanying drawings. They are relative concepts and may therefore vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive.

[0037] The folding transport vehicle provided in this application includes: a control lever 1 and a telescopic lever 9 that are slidably connected, a storage bracket 12, a folding mechanism 2, and a base.

[0038] Please refer to the following at the same time Figures 1 to 7 A follow sensor 10 is installed on the control rod 1. The telescopic rod 9 is slidably set along the length direction of the control rod 1 to realize the raising and lowering of the telescopic rod 9. The storage bracket 12 is installed at the bottom of the telescopic rod 9 and rises and falls together with the telescopic rod 9. The folding mechanism 2 is rotatably connected to the bottom of the control rod 1. The folding mechanism 2 is installed on the base. The base also has the function of storing the control rod 1 that is rotated and folded onto the base. When the telescopic rod 9 slides to the bottom of the control rod 1, the storage bracket 12 is stored on the base. The base is equipped with rollers 3. The driving assembly is used to drive the telescopic rod 9 to slide, drive the folding mechanism to drive the bottom of the control rod 1 to rotate, and drive the rollers 3 to roll.

[0039] In this embodiment, the drive assembly may include a lifting motor 8, which is mounted on the control rod 1. The lifting motor 8 can drive the telescopic rod 9 to slide along the length of the control rod 1 via a gear and rack structure. The lifting motor 8 may also include an electric telescopic rod disposed within the control rod 1. The first end of the electric telescopic rod is connected to the control rod 1 via a fixing pin 13, and the second end is connected to the telescopic rod 9 via a positioning pin 14. When the lifting motor 8 receives a control command, it extends and retracts to drive the telescopic rod 9 to slide and rise along the length of the control rod 1, thereby enabling the folding transport vehicle to move as shown in the image. Figure 2The equilibrium state shown and Figure 3 The following states are shown in the diagram. Correspondingly, the following state is the cargo mode, in which cargo is stored in the storage space defined by the storage bracket 12, and the equilibrium state is the passenger mode, thus completing the conversion between cargo and passenger modes.

[0040] In this embodiment, the follow sensor 10 is fastened to the lower end of the control rod 1 by a first countersunk screw 11 to facilitate signal transmission during the following state. The follow sensor 10 can be an angle-of-arrival (AOA) follow sensor 10 (hereinafter referred to as "AOA follow sensor") or an infrared human body follow sensor 10. The follow sensor 10 senses the distance between itself and the human body and transmits this distance to the controller as a signal. The controller controls the rotation speed of the drive assembly driving the roller 3 to achieve the effect of following within a predetermined distance.

[0041] In this embodiment, there are two rollers 3, respectively disposed on both sides of the base. The rollers 3 rotate to drive the base to achieve displacement. The driving assembly may also include a drive motor, the output shaft of which is connected to the rotating shaft of the two rollers 3 to drive the rotating shaft to rotate the rollers. In this embodiment, the rollers 3 may be pneumatic tires to make the base move more smoothly.

[0042] This application embodiment can also be equipped with a controller that is communicatively connected to the drive component. The controller can also be communicatively connected to the follower sensor 10. Based on the received signal from the sensor 10 or the received instruction, the controller controls the drive component to move, so that the control rod 1 is folded on the base to achieve a folded state, and the telescopic rod 9 is raised and lowered to achieve switching between the follower state and the balanced state. The operation is convenient and highly automated.

[0043] The folding transport vehicle provided in this application embodiment, through the cooperation of control lever 1 and folding mechanism 2, achieves fully automatic folding of control lever 1 relative to the vehicle base in the normal and horizontal directions. It has a compact structure, requires little storage space, and improves the convenience of carrying the vehicle. The vehicle can also be stored inside the vehicle body in the folded state, achieving a high degree of integration with the whole vehicle and effectively solving the "last mile" problem for customers. The following sensor 10 enables the vehicle to automatically position and automatically calibrate its following. Combined with the storage function of the storage bracket 12, it realizes automatic following in the storage state, increasing the convenience of vehicle operation and use.

[0044] As an optional embodiment, the control lever 1 has a sliding groove 101 along its length, the telescopic rod 9 is slidably disposed within the control lever 1, and the mounting portion of the storage bracket 12 passes through the sliding groove 101 from the outside and connects to the telescopic rod 9. Please refer to... Figures 2 to 4In this embodiment, the sliding groove 101 is a strip groove that controls the movement path of the storage bracket 12. The mounting part can be a rectangular block. The bottom of the telescopic rod 9 is provided with an arc groove. The rectangular block is fastened in the arc groove by an interference fit so that the storage bracket 12 slides and rises together with the telescopic rod 9.

[0045] As an optional embodiment, the drive assembly includes a rotary motor 16, the folding mechanism 2 includes a connecting plate 20 connected to the base, a connecting rod 21 rotatably connected to the connecting plate 20, the connecting rod 21 being connected to the control rod 1, and the rotary motor 16 being rotatably connected to the connecting rod 21 via a universal joint. Please refer to [reference needed]. Figure 6 In this embodiment, the connecting plate 20 is bent, and a connecting hole is provided at the lower end of the connecting plate 20. The connecting plate 20 is connected to a connecting shaft on the base via the connecting hole through an interference fit, and is secured with an internal hexagon screw 19 to make the folding and turning structure more stable. The connecting plate 20 includes two mounting plates arranged opposite each other, connected by a positioning plate on one side. The connecting rod 21 passes through the two mounting plates via a rotatable connection through a shaft hole. A bearing 23 is also provided at the rotatable connection point between the connecting rod 21 and the mounting plate. A retaining spring 22 is installed on the bearing 23 to ensure its normal operation. Furthermore, an insert plate 24 is provided on the positioning plate, which clamps the rotatably mounted connecting rod 21 to increase the rotational and stress stability of the connecting rod 21. A connecting screw 25 is also connected to the connecting rod 21.

[0046] As an optional embodiment, the universal joint includes a center pin 18 and a first coupling 170 and a second coupling 17 respectively connected to both ends of the center pin 18. The first coupling 170 is connected to the connecting rod 21, and the second coupling 17 is connected to the rotary motor 16. In this embodiment, one side of the connecting rod 21 is connected to one end of the center pin 18 via the first coupling 170, and the other end of the center pin 18 is connected to the rotary motor 16 via the second coupling 17, thereby transmitting power to the folding mechanism 2. When the rotary motor 16 is working, the folding mechanism 2 drives the control rod 1 to rotate and bend in a direction perpendicular to the base until it fits against the surface of the base, completing the final folding of the trolley. Figure 1 As shown, this is the folded state of the car.

[0047] As an optional embodiment, the base includes a housing, a main body plate 27 disposed within the housing, and two foot pedals 26 mounted on the main body plate 27. A limiting protrusion is provided on the portion of the main body plate 27 between the two foot pedals 26 to support the control rod 1 folded onto the base. In this embodiment, the housing may include an upper housing 4 and a lower housing 5 that are fastened together with screws. An opening is provided at the top of the upper housing 4, through which the two foot pedals 26 are mounted on the main body plate 27. The limiting protrusion protrudes from the top surface of the base and extends along the length of the base to conform to and support the control rod 1 folded onto the base along the length of the folded control rod 1, providing a support point for the folded control rod 1. A battery plate 33 is disposed within the housing to provide power.

[0048] As an optional embodiment, the storage rack 12 includes an upper rack and a lower rack 28 disposed opposite to each other, and a flexible member surrounding the upper rack and the lower rack 28. The upper rack 35 is mounted on the telescopic rod 9, and the lower rack 28 is mounted on the main body plate 27. Please refer to... Figure 3 and Figure 7 The flexible component can be a flexible net or flexible canvas, etc. In the following state, the upper support rises as the telescopic rod 9 extends, and the flexible component between the lower support 28 and the upper support unfolds to define an enclosed storage basket for storage. When the following state switches to the folded state or the balanced state, the upper support descends with the telescopic rod 9 to fit against the lower support 28, and the flexible component folds. In addition, the foldable transport vehicle also includes a gravity sensor 30 and a sensing plate 31 installed on the gravity sensor 30. The sensing plate 31 abuts against the lower support 28 or the main body plate 27 located above, and detects whether there are items in the storage basket through weight detection, ensuring that the storage basket is empty when the vehicle switches to the folded state or the balanced state.

[0049] As an optional embodiment, a positioning frame 37 is mounted on the main body plate 27, a bracket 35 is movably mounted on the positioning frame 37, an auxiliary wheel 34 is mounted on the bracket 35, and an electric telescopic rod 38 is provided between the bracket 35 and the main body plate 27. The electric telescopic rod 38 controls the extension and retraction of the auxiliary wheel 34 to switch the auxiliary wheel 34 between a working state and a retracted state. Figures 1 to 4As shown, a groove structure is provided at the front of the housing, and the positioning frame 37, bracket 35, and auxiliary wheel 34 are all located within the groove structure to provide effective protection. The positioning frame 37 is a U-shaped frame, including two opposing baffles. The positioning frame 37 is installed on the front outer edge of the main body plate 27. The first end of the bracket 35 is movably connected between the two opposing baffles on the positioning frame 37 via a positioning pin 36, and the second end of the bracket 35 is connected to the auxiliary wheel 34. One end of the electric telescopic rod 38 is fixed to the main body plate 27 at the position of the groove sidewall via a pin, and the other end of the electric telescopic rod 38 is movably connected to the bracket 35 via a pin. When the electric telescopic rod 38 extends, the bracket 35 rotates until the auxiliary wheel 34 is lowered to the ground. At this time, the auxiliary wheel 34 is in working state, playing an auxiliary support role. This corresponds to the following state, such as... Figure 3 As shown. The auxiliary wheel 34 improves the stability and reliability of the trolley in following mode, while also enabling the trolley to adapt to various relatively complex road conditions. When the electric telescopic pole 38 retracts, the bracket 35 rotates upward until the auxiliary wheel 34 is retracted, which corresponds to the folded state or the balanced state.

[0050] As an optional embodiment, the folding transport vehicle further includes an upper cover 6. The first end of the upper cover 6 is connected to the telescopic rod 9, and the second end of the upper cover 6 is fitted with a limiting plate. When the control rod 1 is folded onto the base, the upper cover 6 is located on one side of the base. In this embodiment, the first end of the upper cover 6 is connected to the telescopic rod 9 via a bending plate 7 to reduce the force at the connection point. The bending plate 7 is connected to the telescopic rod 9 via a second countersunk screw 15. The limiting plate on the upper cover 6 serves as a handle and provides a lifting point. By design, when the control rod 1 is folded onto the base, the upper cover 6 is stored on one side of the base, and the limiting plate is partially stored in a groove at the front of the housing. Figure 1 As shown.

[0051] As an optional embodiment, the folding transport vehicle further includes a laser ranging element 29 installed at the front end of the base, and three positioning elements 32 respectively disposed on both sides and the rear end of the base. The laser ranging element 29 can be a TOF (Time of Flight) laser ranging element 29, fixed to the front end of the lower housing 5 of the base by screws. There can be two TOF laser ranging elements 29, symmetrically distributed, which helps improve positioning accuracy. The positioning elements 32 can be UWB (Ultra Wide Band) positioning elements 32. Three UWB positioning elements 32 are fixed to both sides and the rear of the lower housing 5 with hexagonal screws 19, achieving signal coverage and interconnection with the positioning base station installed on the vehicle body to achieve precise positioning.

[0052] This application provides a vehicle including a rear floor and a foldable transport vehicle as described in any of the above embodiments. A retractable storage compartment is provided on the rear floor. The foldable transport vehicle, in its folded state, enters the lowered storage compartment and is stored on the rear floor as the storage compartment rises. A positioning component can be installed inside the base. This positioning component transmits signals to the vehicle body via a microswitch, enabling precise automatic vehicle deployment and return. Upon receiving a corresponding signal, the vehicle automatically enters the lowered storage compartment in its folded state, and the storage compartment rises and is stored inside the vehicle body, achieving integration with the vehicle body.

[0053] As needed, the above technical solutions can be combined to achieve the best technical effect.

[0054] The above are merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several other modifications can be made based on the principles of the present invention, and these modifications should also be considered within the scope of protection of the present invention.

Claims

1. A folding transport vehicle, characterized in that, include: A control rod and a telescopic rod are slidably connected. A follow sensor is installed on the control rod. The telescopic rod is slidably set along the length direction of the control rod to realize the raising and lowering of the telescopic rod. A storage rack is installed at the bottom of the telescopic rod and moves up and down together with the telescopic rod; the storage rack includes an upper rack and a lower rack arranged opposite to each other, and a flexible member surrounding the upper rack and the lower rack; A folding mechanism, which is rotatably connected to the bottom of the control lever; The base has a folding mechanism mounted on it. The base houses a control rod that is rotated and folded onto it. When the telescopic rod slides to the bottom of the control rod, the storage bracket is housed on the base. The base is equipped with rollers. The base includes a housing and a main body plate disposed within the housing. The upper bracket is mounted on the telescopic rod, and the lower bracket is mounted on the main body plate. A drive assembly is used to drive the telescopic rod to slide, drive the folding mechanism to rotate the bottom of the control rod, and drive the roller to roll.

2. The folding transport vehicle according to claim 1, characterized in that, The control rod has a sliding groove along its length, and the telescopic rod is slidably disposed inside the control rod. The mounting part of the storage bracket passes through the sliding groove from the outside and is connected to the telescopic rod.

3. The folding transport vehicle according to claim 2, characterized in that, The drive assembly includes a rotary motor, the folding mechanism includes a connecting plate connected to the base, a connecting rod rotatably connected to the connecting plate, the connecting rod being connected to the control rod, and the rotary motor being rotatably connected to the connecting rod via a universal joint.

4. The folding transport vehicle according to claim 3, characterized in that, The universal joint includes a center pin and a first coupling and a second coupling respectively connected to both ends of the center pin. The first coupling is connected to the connecting rod, and the second coupling is connected to the rotary motor.

5. The folding transport vehicle according to claim 2, characterized in that, Two foot pedals are mounted on the main body plate, and the portion of the main body plate between the two foot pedals is provided with a limiting protrusion to support a control rod folded onto the base.

6. The folding transport vehicle according to claim 5, characterized in that, A positioning frame is installed on the main body plate, a bracket is movably installed on the positioning frame, an auxiliary wheel is installed on the bracket, and an electric telescopic rod is provided between the bracket and the main body plate. The electric telescopic rod controls the extension and retraction of the auxiliary wheel by extending and retracting, so as to switch the auxiliary wheel between the working state and the retracted state.

7. The folding transport vehicle according to claim 1, characterized in that, The folding transport vehicle also includes an upper cover, one end of which is connected to the telescopic rod. When the control rod is folded onto the base, the upper cover is located on one side of the base.

8. The folding transport vehicle according to claim 1, characterized in that, The folding transport vehicle also includes a laser ranging element installed at the front end of the base, and three positioning elements respectively arranged on both sides and the rear end of the base.

9. A vehicle, characterized in that, The vehicle includes a rear floor and a folding transport vehicle as described in any one of claims 1-8, wherein a storage compartment is provided on the rear floor of the vehicle, and the folding transport vehicle in the folded state enters the lowered storage compartment and is stored on the rear floor of the vehicle as the storage compartment rises.

Images