CN116573093A - Folding transport vehicle and vehicle - Google Patents

Abstract

The application discloses a folding transport vehicle and a vehicle. The folding transport vehicle comprises a control rod and a telescopic rod which are connected in a sliding way, wherein a following sensor is arranged on the control rod, and the telescopic rod is arranged in a sliding way along the length direction of the control rod so as to realize lifting of the telescopic rod; the storage bracket is arranged at the bottom of the telescopic rod; the folding mechanism is rotationally connected with the bottom of the control rod; the folding mechanism is arranged on the base body, the base body stores a control rod which is rotationally folded onto the base body, when the telescopic rod slides to the bottom of the control rod, the storage bracket is stored on the base body, and the base body is provided with rollers; the driving assembly is used for driving the telescopic rod to slide and driving the folding mechanism to drive the bottom of the control rod to rotate and driving the idler wheel to roll. The vehicle includes a folding transport vehicle. The application automatically realizes the switching among three states of a folding state, a balance state and a following state, improves the convenience of operation and carrying of the trolley and increases the integration effect with the vehicle.

Description

Folding transport vehicle and vehicle

Technical Field

The application relates to the technical field of transportation, in particular to a folding transport vehicle and a vehicle.

Background

With the increasing development of technology in the vehicle industry, the requirements of users on the intellectualization, convenience, integration and the like of vehicles are higher and higher, and the electric balance car is more and more focused on the problem of the last kilometer of the users on duty and off duty due to the convenience of the electric balance car.

At present, the foot control rod of the traditional electric balance car cannot be folded effectively in space, so that the difficulty in space storage of the balance car is increased, and the problems of portability and overlarge occupied space in the process of integration with the whole car are greatly reduced. In addition, people carrying and object carrying modes of the traditional electric balance car are mostly converted by worker operation, and convenience is required to be improved.

Disclosure of Invention

The application aims to provide a folding transport vehicle and a vehicle, which can automatically realize the switching among three states of a folding state, a balance state and a following state, and improve the convenience of operation and carrying.

The folding transport vehicle provided by the technical scheme of the application comprises a control rod and a telescopic rod which are connected in a sliding way, wherein a following sensor is arranged on the control rod, and the telescopic rod is arranged in a sliding way along the length direction of the control rod so as to realize lifting of the telescopic rod; the storage support is arranged at the bottom of the telescopic rod and is lifted together with the telescopic rod; the folding mechanism is rotationally connected with the bottom of the control rod; the folding mechanism is arranged on the base body, the base body stores a control rod which is rotationally folded onto the base body, when the telescopic rod slides to the bottom of the control rod, the storage bracket is stored on the base body, and the base body is provided with a roller; the driving assembly is used for driving the telescopic rod to slide and driving the folding mechanism to drive the bottom of the control rod to rotate and driving the roller to roll.

Optionally, the control rod has seted up the groove that slides along length direction, the telescopic link slides and sets up in the control rod, the installation department of storing support wears to establish from the outside to advance the groove that slides after being connected with the telescopic link.

Optionally, the drive assembly includes the rotating electrical machines, folding mechanism includes the connecting plate, the connecting plate with the base member is connected, swivelling joint has the connecting rod on the connecting plate, the connecting rod with the control rod is connected, the rotating electrical machines with the connecting rod passes through universal joint swivelling joint.

Optionally, the universal joint includes the centre pin and connects first shaft coupling and the second shaft coupling at the centre pin both ends respectively, first shaft coupling with the connecting rod is connected, the second shaft coupling with the rotating electrical machines is connected.

Optionally, the base member includes the casing, sets up main part board in the casing, install two pedals on the main part board, the part that the main part board is located between two pedals is provided with spacing lug to support the control lever of folding on the base member.

Optionally, the storing support includes upper bracket and the lower carriage of relative setting, and encloses the setting and be in the upper bracket with the flexible piece between the lower carriage, the upper bracket is installed on the telescopic link, the lower carriage is installed on the main part board.

Optionally, install the locating rack on the main part board, movable mounting has the support on the locating rack, install the auxiliary wheel on the support, on the support with be provided with electric telescopic handle between the main part board, electric telescopic handle passes through flexible control the auxiliary wheel is flexible, in order to realize the auxiliary wheel switches between operating condition and packing up the state.

Optionally, the foldable transport vehicle further comprises an upper end cover, one end of the upper end cover is connected with the telescopic rod, and when the control rod is folded on the base body, the upper end cover is located on one side of the base body.

Optionally, the folding transport vehicle further comprises laser ranging elements mounted at the front end of the base body, and three positioning elements respectively arranged at two sides and the rear end of the base body in a one-to-one correspondence manner.

The vehicle comprises a rear floor of a vehicle body and the folding transport vehicle, wherein the rear floor of the vehicle body is provided with a storage cabin which can be lifted, and the folding transport vehicle in a folding state enters the storage cabin after descending and is stored on the rear floor of the vehicle body along with the lifting of the storage cabin.

By adopting the technical scheme, the method has the following beneficial effects:

according to the folding transport vehicle and the vehicle, the control rod is matched with the folding mechanism, so that the control rod is fully and automatically folded relative to the vehicle base body in the normal direction and the horizontal direction, the structure is compact, the required storage space is small, the carrying convenience of the vehicle is improved, the vehicle can be stored in the vehicle body in a folded state, the high integration with the whole vehicle is realized, and the problem of the last kilometer of a customer is effectively solved; the following sensor can enable the trolley to automatically locate and automatically calibrate and follow, and the following sensor is matched with the storage function of the storage support, so that the automatic following under the storage state is realized, and the convenience of trolley operation and use is improved.

Drawings

FIG. 1 is a schematic view of a folding transport cart in a folded state according to an embodiment of the present application;

FIG. 2 is a schematic view illustrating a structure of a folding transport cart in a balanced state according to an embodiment of the present application;

FIG. 3 is a schematic view illustrating a following structure of a folding transport cart according to an embodiment of the present application;

FIG. 4 is an exploded view of a folding transport cart according to an embodiment of the present application;

FIG. 5 is a schematic view of a control rod and a telescopic rod slidingly coupled according to an embodiment of the present application;

fig. 6 is a schematic structural view of a folding mechanism according to an embodiment of the application.

FIG. 7 is an exploded view of a substrate according to an embodiment of the present application.

Reference numerals and signs

The device comprises a control rod, a 101-sliding groove, a 10-following sensor, a 11-first countersunk head screw, a 12-storage bracket, a 13-fixed pin, a 14-positioning pin, a 15-second countersunk head screw, a 16-rotating motor, a 170-first connector, a 17-second connector, a 18-center pin and a 19-inner hexagon screw;

the device comprises a 2-folding mechanism, a 20-connecting plate, a 21-connecting rod, a 22-clamp spring, a 23-bearing, a 24-plugboard, a 25-connecting screw, a 26-pedal, a 27-main body plate, a 28-lower bracket and a 29-laser ranging element;

3-idler wheels, 30-inductors, 31-induction sheets, 32-positioning elements, 33-battery plates, 34-auxiliary wheels, 35-brackets, 36-positioning pin shafts, 37-positioning frames and 38-electric telescopic rods;

4-an upper housing;

5-a lower housing;

6-an upper end cover;

7-bending plate;

8-lifting motor;

9-telescopic rod.

Detailed Description

Specific embodiments of the present application will be further described below with reference to the accompanying drawings.

It is to be readily understood that, according to the technical solutions of the present application, those skilled in the art may replace various structural modes and implementation modes with each other without changing the true spirit of the present application. Accordingly, the following detailed description and drawings are merely illustrative of the application and are not intended to be exhaustive or to limit the application to the precise form disclosed.

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms.

The application provides a folding transport vehicle which comprises a control rod 1, a telescopic rod 9, a storage bracket 12, a folding mechanism 2 and a base body which are connected in a sliding manner.

Referring to fig. 1 to 7, the control rod 1 is provided with a following sensor 10, and the telescopic rod 9 is slidably arranged along the length direction of the control rod 1 to realize lifting of the telescopic rod 9; the storage bracket 12 is arranged at the bottom of the telescopic rod 9 and is lifted together with the telescopic rod 9; the folding mechanism 2 is rotatably connected with the bottom of the control rod 1; the folding mechanism 2 is installed on the base body, the base body also has the function of accommodating the control rod 1 which is rotationally folded onto the base body, when the telescopic rod 9 slides to the bottom of the control rod 1, the storage bracket 12 is accommodated on the base body, and the roller 3 is installed on the base body; the driving assembly is used for driving the telescopic rod 9 to slide, driving the folding mechanism to drive the bottom of the control rod 1 to rotate and driving the roller 3 to roll.

In the embodiment of the application, the driving assembly can comprise a lifting motor 8, the lifting motor 8 is arranged on the control rod 1, and the telescopic rod 9 can be driven to slide along the length direction of the control rod 1 by matching with a gear and rack structure. The lifting motor 8 can further comprise an electric telescopic rod arranged in the control rod 1, a first end of the electric telescopic rod is connected with the control rod 1 through a fixing pin 13, a second end of the electric telescopic rod is connected with the telescopic rod 9 through a locating pin 14, and the electric telescopic rod is arranged in a telescopic manner after receiving a control instruction, so that the telescopic rod 9 is driven to slide up and down along the length direction of the control rod 1 to lift, and the folding transport vehicle is switched between a balanced state shown in fig. 2 and a following state shown in fig. 3. Correspondingly, the following state is a carrying mode, the storage is carried out through a storage space defined by the storage support 12, and the equilibrium state is a manned mode, namely, the conversion between carrying and manned modes is completed.

The following sensor 10 in the embodiment of the present application is fastened at the lower end of the control rod 1 through the first countersunk screw 11, so as to facilitate signal transmission in a following state, and the following sensor 10 may be an Angle-of-Arrival (AOA) following sensor 10 (referred to as "AOA following sensor") or an infrared human body following sensor 10. The following sensor 10 senses the distance between the roller and the human body and transmits the distance to the controller in a signal mode, and the controller controls the rotation rate of the driving assembly driving roller 3 to achieve the following effect within a preset distance.

In the embodiment of the application, two rollers 3 are respectively arranged at two sides of the substrate, and the rollers 3 drive the substrate to realize displacement through rotation. The driving assembly may further include a driving motor, and an output shaft of the driving motor is connected with the rotating shafts of the two rollers 3, so as to drive the rotating shafts to rotate to realize the rotation of the rollers. The roller 3 in the embodiment of the application can be a pneumatic tire so as to enable the substrate to run smoothly.

The embodiment of the application can also be provided with a controller in communication connection with the driving component, the controller can be simultaneously in communication connection with the following sensor 10, and the driving component is controlled to act through the received signal or the received instruction according to the sensor 10 so as to realize the folding state of the control rod 1 on the substrate, control the lifting of the telescopic rod 9, realize the switching between the following state and the balance state, and have convenient operation and high automation.

According to the folding transport vehicle provided by the embodiment of the application, the control rod 1 is matched with the folding mechanism 2, so that the control rod 1 is fully and automatically folded relative to the vehicle base body in the normal direction and the horizontal direction, the structure is compact, the required storage space is small, the carrying convenience of the vehicle is improved, the vehicle can be stored into the vehicle body in a folded state, the high integration with the whole vehicle is realized, and the problem of 'last kilometer' of a customer is effectively solved; the following sensor 10 can enable the trolley to automatically locate and automatically calibrate and follow, and is matched with the storage function of the storage support 12, so that the automatic following in a storage state is realized, and the convenience in trolley operation and use is improved.

As an optional embodiment, the control rod 1 is provided with a sliding groove 101 along the length direction, the telescopic rod 9 is slidably disposed in the control rod 1, and the mounting portion of the storage bracket 12 is connected to the telescopic rod 9 after being inserted into the sliding groove 101 from the outside. Referring to fig. 2 to 4, the sliding groove 101 in the embodiment of the present application is a bar-shaped groove, controls the moving path of the storage bracket 12, the installation portion may be a rectangular block, the bottom of the telescopic rod 9 is provided with an arc-shaped groove, and the rectangular block is fastened in the arc-shaped groove in an interference fit manner, so that the storage bracket 12 slides and lifts together with the telescopic rod 9.

As an alternative embodiment, the driving assembly includes a rotating motor 16, the folding mechanism 2 includes a connecting plate 20, the connecting plate 20 is connected with the base body, a connecting rod 21 is rotatably connected to the connecting plate 20, the connecting rod 21 is connected with the control rod 1, and the rotating motor 16 is rotatably connected with the connecting rod 21 through a universal joint. Referring to fig. 6, in the embodiment of the present application, a connecting plate 20 is bent, a connecting hole is formed at the lower end of the connecting plate 20, and is in interference fit connection with a shaft hole formed on a base body through the connecting hole, and is fastened through a socket head cap screw 19, so that the folding turning structure is more stable. The connecting plate 20 comprises two mounting plates which are oppositely arranged, the two mounting plates are connected through a positioning plate at one side, the connecting rod 21 penetrates through the two mounting plates in a shaft hole rotating connection mode, and a bearing 23 is further arranged at the rotating connection position of the connecting rod 21 and the mounting plates. The bearing 23 is provided with a snap spring 22 to enable the bearing 23 to normally operate. In addition, the locating plate is further provided with a plugboard 24, the plugboard 24 clamps the connecting rod 21 which is rotatably arranged to increase the rotation and stress stability of the connecting rod 21, and the connecting rod 21 is further connected with a connecting screw 25.

As an alternative embodiment, the universal joint includes a center pin 18 and a first coupling 170 and a second coupling 17 connected to both ends of the center pin 18, respectively, the first coupling 170 is connected to the connecting rod 21, and the second coupling 17 is connected to the rotating electric machine 16. In the embodiment of the application, one side of the connecting rod 21 is connected with one end of the center pin 18 through the first coupler 170, and the other end of the center pin 18 is connected with the rotating motor 16 through the second coupler 17, so that power transmission of the folding mechanism 2 is realized. When the rotating motor 16 works, the folding mechanism 2 drives the control rod 1 to rotate and bend in the direction perpendicular to the substrate until the control rod is attached to the surface of the substrate to complete final folding of the trolley, as shown in fig. 1, and the trolley is in a folded form.

As an alternative embodiment, the base comprises a housing, a body plate 27 provided in the housing, two pedals 26 mounted on the body plate 27, and a portion of the body plate 27 between the two pedals 26 is provided with a limit bump to support the control lever 1 folded on the base. The housing in the embodiment of the present application may include an upper housing 4 and a lower housing 5 fastened by screws after being butted. The top of the upper shell 4 is provided with an opening, two pedals 26 are installed on the main body plate 27 through the opening, and the limiting protruding blocks protrude out of the top surface of the base body and extend along the length direction of the base body so as to attach and support the control rod 1 folded on the base body along the length direction of the folded control rod 1, and a supporting point is provided for the control rod 1 in a folded state. A battery plate 33 is provided in the housing for providing power.

As an alternative embodiment, the storage rack 12 includes an upper rack 28 and a lower rack 28 disposed opposite to each other, and a flexible member disposed between the upper rack and the lower rack 28, the upper rack 35 is mounted on the telescopic link 9, and the lower rack 28 is mounted on the main body plate 27. Referring to fig. 3 and 7, the flexible member may be a flexible net or a flexible canvas, etc. In the following state, the upper support is lifted up as the telescopic rod 9 is extended, and the flexible member between the lower support 28 and the upper support is unfolded to define a surrounding storage basket between the upper support and the lower support for storing. When the following state is switched to the folded state or the balanced state, the upper bracket is lowered along with the telescopic rod 9 to be attached to the lower bracket 28, and the flexible member is folded along with the folding. In addition, the folding transport vehicle further comprises a gravity sensor 30 and a sensing piece 31 arranged on the gravity sensor 30, the sensing piece 31 is abutted against the lower support 28 or the main body plate 27 above, and whether articles exist in the storage basket or not is detected through weight detection, so that the storage basket is in an empty state when the trolley is switched to a folding state or a balance state.

As an alternative embodiment, the main body plate 27 is provided with a positioning frame 37, the positioning frame 37 is movably provided with a support 35, the support 35 is provided with an auxiliary wheel 34, an electric telescopic rod 38 is arranged between the support 35 and the main body plate 27, and the electric telescopic rod 38 controls the auxiliary wheel 34 to stretch and retract through stretching so as to realize the switching of the auxiliary wheel 34 between the working state and the retracted state. As shown in fig. 1 to 4, the front of the housing is provided with a groove structure in which the positioning frame 37, the bracket 35 and the auxiliary wheel 34 are all located. So as to play an effective protective role. The positioning frame 37 is a U-shaped frame and comprises two opposite baffle plates. The locating frame 37 is arranged at the front outer edge of the main body plate 27, the first end of the bracket 35 is movably connected between two opposite baffle plates on the locating frame 37 through a locating pin 36, and the second end of the bracket 35 is connected with the auxiliary wheel 34. One end of the electric telescopic rod 38 is fixed on the main body plate 27 at the position of the side wall of the groove through a pin shaft, the other end of the electric telescopic rod 38 is movably connected to the support 35 through a pin shaft, when the electric telescopic rod 38 stretches out, the support 35 rotates until the auxiliary wheel 34 descends to the ground, the auxiliary wheel 34 is in a working state at the moment, an auxiliary supporting effect is achieved, and the auxiliary wheel is in a corresponding following state at the moment, as shown in fig. 3. The auxiliary wheels 34 improve the stability and reliability of the trolley in a following state, and simultaneously enable the trolley to adapt to various relatively complex road conditions. When the electric telescopic rod 38 is retracted, the support 35 is rotated upwards until the auxiliary wheel 34 is retracted, and the auxiliary wheel 34 is in a retracted state, corresponding to a folded state or a balanced state.

As an alternative embodiment, the folding transport vehicle further includes an upper end cover 6, a first end of the upper end cover 6 is connected to the telescopic rod 9, a second end of the upper end cover 6 is provided with a limiting plate, and when the control rod 1 is folded on the base body, the upper end cover 6 is located on one side of the base body. The first end of the upper end cap 6 in the embodiment of the application is connected with the telescopic rod 9 through a bending plate 7 so as to reduce the stress of the connecting part. The bent plate 7 is connected with the telescopic rod 9 through the second countersunk head screw 15, and the limiting plate on the upper end cover 6 has the functions of armrests and providing portable stress points, and through the design, when the control rod 1 is folded on the base body, the upper end cover 6 is positioned on one side of the base body for storage, and the limiting plate is partially stored in the groove arranged in front of the shell, as shown in fig. 1.

As an alternative embodiment, the folding transport cart further comprises a laser ranging element 29 mounted at the front end of the base body, and three positioning elements 32 respectively disposed at both sides and the rear end of the base body in a one-to-one correspondence. The laser ranging elements 29 can be TOF (Time Of Flight) laser ranging elements 29, and the TOF laser ranging elements 29 are symmetrically distributed at the front end of the lower base body shell 5 through screws, so that the positioning accuracy is improved. The positioning elements 32 can be UWB (Ultra Wide Band) positioning elements 32, and three UWB positioning elements 32 are fixed on two sides and the rear side of the lower shell 5 by using socket head cap screws 19, so that signal coverage and interconnection are realized with a positioning base station arranged on the automobile body, and accurate positioning is achieved.

The application provides a vehicle, which comprises a vehicle body rear floor and the folding transport vehicle in any embodiment, wherein a storage cabin which can be arranged in a lifting manner is arranged on the vehicle body rear floor, and the folding transport vehicle in a folding state enters the storage cabin after descending and is stored on the vehicle body rear floor along with the ascending of the storage cabin. The inside locating component that can set up of base member, locating component pass through micro-gap switch and automobile body realization signal transmission, realize the accurate automatic car that goes out of dolly, automatic return voyage. The trolley which receives the corresponding signals automatically enters the storage cabin after descending in a folding mode, and the storage cabin ascends and is stored in the vehicle body, so that the integration with the vehicle body is realized.

The above technical schemes can be combined according to the need to achieve the best technical effect.

The foregoing is only illustrative of the principles and preferred embodiments of the present application. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the application and should also be considered as the scope of protection of the present application.

Claims (10)

1. A folding transport vehicle, comprising:

the control rod is connected in a sliding way, a following sensor is arranged on the control rod, and the telescopic rod is arranged in a sliding way along the length direction of the control rod so as to realize lifting of the telescopic rod;

the storage support is arranged at the bottom of the telescopic rod and is lifted together with the telescopic rod;

the folding mechanism is rotationally connected with the bottom of the control rod;

the folding mechanism is arranged on the base body, the base body stores a control rod which is rotationally folded onto the base body, when the telescopic rod slides to the bottom of the control rod, the storage bracket is stored on the base body, and the base body is provided with a roller;

the driving assembly is used for driving the telescopic rod to slide and driving the folding mechanism to drive the bottom of the control rod to rotate and driving the roller to roll.

2. The folding transport vehicle according to claim 1, wherein the control rod is provided with a sliding groove along a length direction, the telescopic rod is slidably disposed in the control rod, and the mounting portion of the storage bracket is connected with the telescopic rod after being inserted into the sliding groove from the outside.

3. The folding transport vehicle of claim 2, wherein the drive assembly includes a rotating electric machine, the folding mechanism includes a connecting plate, the connecting plate is connected to the base body, a connecting rod is rotatably connected to the connecting plate, the connecting rod is connected to the control rod, and the rotating electric machine is rotatably connected to the connecting rod through a universal joint.

4. A folding transport vehicle according to claim 3, characterized in that the universal joint comprises a centre pin and a first coupling and a second coupling connected to the two ends of the centre pin, respectively, the first coupling being connected to the connecting rod and the second coupling being connected to the rotating electrical machine.

5. The folding transport vehicle of claim 2, wherein the base includes a housing, a body plate disposed in the housing, two pedals mounted on the body plate, and a portion of the body plate between the two pedals is provided with a limit bump to support a control lever folded on the base.

6. The folding transport vehicle of claim 5, wherein the storage rack includes an upper rack and a lower rack disposed opposite each other, and a flexible member disposed between the upper rack and the lower rack, the upper rack being mounted on the telescoping rod, and the lower rack being mounted on the body panel.

7. The folding transport vehicle according to claim 5, wherein a positioning frame is mounted on the main body plate, a support is movably mounted on the positioning frame, an auxiliary wheel is mounted on the support, an electric telescopic rod is arranged between the support and the main body plate, and the electric telescopic rod controls the auxiliary wheel to stretch and retract through stretching so as to switch the auxiliary wheel between a working state and a retracted state.

8. The folding transport vehicle of claim 1, further comprising an upper end cap, wherein one end of the upper end cap is connected to the telescoping rod, and wherein the upper end cap is positioned on one side of the base when the control rod is folded over the base.

9. The folding transport vehicle of claim 1, further comprising laser ranging elements mounted at the front end of the base body, and three positioning elements disposed at both sides and the rear end of the base body, respectively, in one-to-one correspondence.

10. A vehicle characterized by comprising a rear floor of a vehicle body and the folding transport vehicle according to any one of claims 1 to 9, wherein a storage compartment which is arranged in a liftable manner is arranged on the rear floor of the vehicle body, and the folding transport vehicle in a folded state enters the storage compartment after descending and is stored on the rear floor of the vehicle body along with the ascending of the storage compartment.