Pickup trailer and operating method thereof

Abstract

The present invention provides a pickup trailer and an operating method thereof, wherein the pickup trailer is provided with a rear compartment, a vehicle positioning frame and a winch hook are provided in the rear compartment, and a retractable tailgate is provided at the rear of the rear compartment; the pickup trailer is also provided with a control system, which is electrically connected to the vehicle positioning frame, the winch hook and the retractable tailgate respectively; the control system can control the retractable tailgate to be opened and retracted to the ground, and can control the retractable tailgate to be retracted and closed; the control system can control the vehicle positioning frame to be flipped on the floor of the rear compartment, so that a consigned vehicle can be loaded or hidden at the bottom of the floor; the control system can control the winch hook to be retracted and retracted, so that a consigned vehicle can be hooked to stretch or fix the consigned vehicle; the solution provided by the present invention is convenient for loading and unloading consigned vehicles, realizes the safe fixation of consigned vehicles, reduces the occurrence of danger, and improves the safety factor.

Description

Technical Field

[0001] The present invention belongs to the technical field of pickup trailers, and in particular relates to a pickup trailer and an operating method thereof. Background Art

[0002] Existing pickup trucks load bicycles, electric bicycles and motorcycles by lying them down or supporting them on the vehicle's own stands. However, this can cause the loaded vehicles to fall or drop due to excessive speed and turning, posing a safety hazard and possibly causing violations.

[0003] Based on the technical problems existing in the above-mentioned pickup trucks loading consignment vehicles, there is no relevant solution yet; therefore, there is an urgent need to find an effective solution to solve the above-mentioned problems. Summary of the Invention

[0004] The purpose of the present invention is to address the deficiencies in the above-mentioned technologies and to propose a pickup trailer and an operating method thereof, in order to solve the problem of loading consignment vehicles with existing pickup trucks.

[0005] The present invention provides a pickup trailer, which is provided with a rear compartment, a vehicle positioning frame and a winch hook are provided in the rear compartment, and a telescopic tailgate is provided at the rear of the rear compartment; the pickup trailer is also provided with a control system, which is electrically connected to the vehicle positioning frame, the winch hook and the telescopic tailgate respectively; the control system can control the telescopic tailgate to be opened and extended to the ground, and can control the telescopic tailgate to be retracted and closed; the control system can control the vehicle positioning frame to be turned over on the bottom plate of the rear compartment, so that a consigned vehicle can be loaded or hidden at the bottom of the bottom plate; the control system can control the winch hook to be extended and extended, so that the consigned vehicle can be hooked to stretch or fix the consigned vehicle.

[0006] Furthermore, the retractable tailgate includes a retractable tailgate panel body, the bottom of which is rotatably connected to the rear end of the rear compartment floor via an electric tailgate support chain; the control system includes a support chain control motor, which is transmission-connected to the electric tailgate support chain and can drive the electric tailgate support chain to drive the retractable tailgate panel body to rotate, thereby opening the retractable tailgate panel body toward the ground or closing it toward the rear compartment.

[0007] Furthermore, a second telescopic tailgate panel, a third telescopic tailgate panel and a fourth telescopic tailgate panel are provided on the telescopic tailgate panel body; the second telescopic tailgate panel can be telescopically arranged on the telescopic tailgate panel body, the third telescopic tailgate panel can be telescopically arranged on the second telescopic tailgate panel, and the fourth telescopic tailgate panel can be telescopically arranged on the third telescopic tailgate panel.

[0008] Furthermore, the control system includes a telescopic chain control motor and a telescopic stretching steel wire rope; the telescopic chain control motor is arranged on the side of the rear compartment and is connected to one end of the telescopic stretching steel wire rope; the other end of the telescopic stretching steel wire rope is connected to the fourth telescopic tailgate panel; the telescopic chain control motor can drive the telescopic stretching steel wire rope to drive the fourth telescopic tailgate panel to move telescopically, thereby causing the fourth telescopic tailgate panel to drive the third telescopic tailgate panel and the second telescopic tailgate panel to move telescopically.

[0009] Furthermore, the vehicle positioning frame includes a limit frame cover plate, which can be rotatably arranged on the bottom plate of the rear compartment; a lower wheel fixing frame is provided at the rear end of one end face of the limit frame cover plate, and an upper wheel limit frame is provided at the front end of the same end face of the limit frame cover plate; the lower wheel fixing frame and the upper wheel limiting frame are arranged on the limit frame cover plate along the same straight line direction, and the distance between the lower wheel fixing frame and the upper wheel limiting frame can be adjusted, so as to clamp and fix the front and rear wheels of the consignment vehicle.

[0010] Furthermore, a lower sliding track is provided on the limit frame cover plate, and the lower wheel fixing frame can be slidably set on the lower sliding track, so as to adjust the distance between the lower wheel fixing frame and the upper wheel limiting frame; a lower limiting pin is provided on the lower sliding track, and the lower limiting pin is used to limit the lower wheel fixing frame from sliding on the lower sliding track.

[0011] Furthermore, an upper sliding track is provided on the limit frame cover plate, and the upper wheel limit frame can be slidably set on the upper sliding track, so as to adjust the distance between the lower wheel fixing frame and the upper wheel limit frame; an upper wheel limit pin is provided on the upper sliding track, and the upper wheel limit pin can be used to limit the upper wheel limit frame from sliding on the upper sliding track.

[0012] Furthermore, a first lifting mechanism and a second lifting mechanism are provided on the limit frame cover plate, and the first lifting mechanism and the second lifting mechanism are electrically connected to the control system respectively; the first lifting mechanism is connected to the lower wheel fixing frame in a transmission manner, thereby driving the lower wheel fixing frame to move up and down on the limit frame cover plate; the second lifting mechanism is connected to the upper wheel limit frame in a transmission manner, thereby driving the upper wheel limit frame to move up and down on the limit frame cover plate.

[0013] Furthermore, a flipping mechanism is provided on the bottom plate of the rear compartment, and the flipping mechanism is electrically connected to the control system; the flipping mechanism is movably connected to the limit frame cover plate, thereby being able to drive the limit frame cover plate to flip.

[0014] Furthermore, the vehicle positioning frame includes a first vehicle positioning frame and a second vehicle positioning frame, and the first vehicle positioning frame and the second vehicle positioning frame are arranged side by side on the bottom plate, so as to position a four-wheeled consignment vehicle or two two-wheeled consignment vehicles; the winch tow hook can be telescopically arranged on the rear compartment, and the winch tow hook includes a first tow hook and a second tow hook, and the first tow hook and the second tow hook can respectively hook the consignment vehicle on the first vehicle positioning frame and the second vehicle positioning frame through telescoping.

[0015] Furthermore, the winch hook is arranged in the middle position of the front side of the rear compartment and is opposite to the retractable tailgate panel body; the control system includes a hook motor and a rope, the hook motor is connected to one end of the rope, and the other end of the rope is connected to the winch hook, thereby driving the winch hook to stretch.

[0016] Furthermore, the consignment vehicle is a bicycle, an electric bicycle or a motorcycle.

[0017] Accordingly, the present invention also provides a pickup trailer operating method, which is used for the above-mentioned pickup trailer; the operating method includes the following steps:

[0018] S1: Start the support chain control motor of the control system to drive the telescopic tailgate panel body to rotate, so that the telescopic tailgate panel body turns to the ground;

[0019] S2: Starting the telescopic chain control motor of the control system to drive the fourth telescopic tailgate panel, the third telescopic tailgate panel, and the second telescopic tailgate panel to telescope on the telescopic tailgate panel body until they touch the ground;

[0020] S3: Activate the flip mechanism of the control system to drive the limit frame cover plate to flip, so that the vehicle positioning frame on the limit frame cover plate is exposed on the bottom plate of the rear compartment;

[0021] S4: Start the tow hook motor of the control system to drive the winch tow hook to extend until the winch tow hook is hooked on the consigned vehicle, and start the tow hook motor again to drive the winch tow hook to retract until the consigned vehicle passes through the fourth telescopic tailgate panel, the third telescopic tailgate panel, the second telescopic tailgate panel and the main body of the telescopic tailgate panel and moves to the limit frame cover plate, and the front wheels of the consigned vehicle are located in the upper wheel limit frame of the limit frame cover plate, and the rear wheels of the consigned vehicle are located in the lower wheel fixing frame of the limit frame cover plate;

[0022] S5: Adjust the distance between the lower wheel fixing frame and the upper wheel limiting frame to ensure that the wheels of the consigned vehicle are accommodated;

[0023] S6: activating the lifting mechanism on the limit frame cover plate to lift the lower wheel fixing frame and the upper wheel limit frame;

[0024] S7: Start the towing hook motor to retract the dynamic winch towing hook, so that the dynamic winch towing hook hooks the consignment vehicle and is tightened.

[0025] The solution provided by the present invention can make full use of the thickness of the pickup truck's tailgate, realize multi-stage extension and retraction of the door panel, and form a slope between the vehicle compartment and the ground, making it convenient for the vehicle to load and unload bicycles, electric bicycles, motorcycles, etc. that need to be loaded and shipped; through the vehicle positioning frame and winch tow hook extension and fixing method, the consigned vehicle can be safely fixed, the occurrence of danger is reduced, and the safety factor is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] The present invention will be further described below with reference to the accompanying drawings:

[0028] Figure 1 A pickup trailer according to the present invention Figure 1 ;

[0029] Figure 2 A pickup trailer according to the present invention Figure 2 ;

[0030] Figure 3 A pickup trailer according to the present invention Figure 3 .

[0031] In the figure: 1. Telescopic tailgate panel body; 2. Telescopic chain control motor; 3. Lower wheel fixing frame; 4. Lower limit pin; 5. Lower sliding track; 6. Upper sliding track; 7. Upper wheel limit pin; 8. Upper wheel limit frame; 9. Winch towing hook; 10. Telescopic tension wire rope; 11. Fourth telescopic tailgate panel; 12. Third telescopic tailgate panel; 13. Second telescopic tailgate panel; 14. First electric tailgate support chain; 15. Second electric tailgate support chain; 16. Winch baffle; 17. Limit frame cover; 18. Electric tailgate logic control switch; 19. Function control area in the rear compartment; 20. Pickup trailer; 21. Rear compartment. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0033] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined. "Several" means one or more, unless otherwise specifically defined.

[0035] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and may encompass internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0037] As shown in Figure 1 to Figure 3As shown, the present invention provides a pickup trailer, wherein the pickup trailer 20 is provided with a rear compartment 21, and a vehicle positioning frame and a winch hook 9 are provided in the rear compartment 21, and a telescopic tailgate is provided at the rear of the rear compartment 21; further, the pickup trailer 20 is also provided with a rear compartment function control area 19, and a control system is provided in the rear compartment function control area 19, and the control system is electrically connected to the vehicle positioning frame, the winch hook 9 and the telescopic tailgate respectively, so as to control the operation of the vehicle positioning frame, the winch hook 9 and the telescopic tailgate; specifically, the control system The control system can control the telescopic tailgate to open and extend to the ground, and can also control the telescopic tailgate to retract and close; further, the control system can also control the vehicle positioning frame to flip over on the floor of the rear compartment 21, so that the consignment vehicle can be loaded or hidden at the bottom of the floor; further, the control system can control the winch hook 9 to extend and retract, so that the consignment vehicle can be hooked to stretch or fix the consignment vehicle; by adopting the above scheme, the consignment vehicle can be effectively loaded and fixed, thereby achieving safe consignment.

[0038] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the telescopic tailgate includes a telescopic tailgate panel body 1, wherein the bottom of the telescopic tailgate panel body 1 is rotatably connected to the rear end of the bottom plate of the rear compartment 21 through an electric tailgate support chain, thereby enabling it to be expanded or closed; specifically, the electric tailgate support chain includes a first electric tailgate support chain 14 and a second electric tailgate support chain 15, which are respectively connected to the two ends of the bottom of the telescopic tailgate panel body 1 and are respectively connected to the rear end of the bottom plate of the rear compartment 21; further, the control system includes a support chain control motor, which is transmission-connected to the electric tailgate support chain and can drive the electric tailgate support chain to drive the telescopic tailgate panel body 1 to rotate, thereby opening the telescopic tailgate panel body 1 toward the ground or closing it toward the rear compartment 21; adopting the above scheme, the thickness of the rear end of the pickup truck can be fully utilized to realize the multi-stage telescopic extension and retraction of the door panel of the telescopic tailgate, so as to form a slope between the compartment and the ground.

[0039] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3As shown, the telescopic tailgate panel body 1 is specifically provided with a second telescopic tailgate panel 13, a third telescopic tailgate panel 12 and a fourth telescopic tailgate panel 11; wherein, the second telescopic tailgate panel 13 can be telescopically arranged on the telescopic tailgate panel body 1 and can be telescopic within the telescopic tailgate panel body 1; further, the third telescopic tailgate panel 12 can be telescopically arranged on the second telescopic tailgate panel 13 and can be telescopic within the second telescopic tailgate panel 13; further, the fourth telescopic tailgate panel 11 can be telescopically arranged on the third telescopic tailgate panel 11 and can be telescopic within the third telescopic tailgate panel 11; adopting the above solution, the multi-stage telescopic tailgate can be achieved, so that a slope is formed between the rear compartment and the ground, which facilitates the loading of consigned vehicles into the rear compartment.

[0040] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the control system includes a telescopic chain control motor 2 and a telescopic stretching wire rope 10; wherein the telescopic chain control motor 2 is arranged on the side of the rear compartment 21 and is connected to one end of the telescopic stretching wire rope 10; specifically, the other end of the telescopic stretching wire rope 10 is connected to the fourth telescopic tailgate panel 11, thereby being able to drive the fourth telescopic tailgate panel 11 to be extended; specifically, the telescopic chain control motor 2 can drive the fourth telescopic tailgate panel 11 to move telescopically by driving the telescopic stretching wire rope 10, thereby causing the fourth telescopic tailgate panel 11 to drive the third telescopic tailgate panel 12 and the second telescopic tailgate panel 13 to move telescopically; as an implementation method: The fourth telescopic tailgate panel 11 is slidably connected to the third telescopic tailgate panel 12, thereby enabling telescopic movement. Furthermore, the third telescopic tailgate panel 12 is slidably connected to the second telescopic tailgate panel 13, thereby enabling telescopic movement. Furthermore, the second telescopic tailgate panel 13 is slidably connected to the telescopic tailgate panel body 1, thereby enabling telescopic movement. With the above solution, the fourth telescopic tailgate panel 11 can drive the third telescopic tailgate panel 12 to stretch, thereby driving the second telescopic tailgate panel 13 to stretch, and the second telescopic tailgate panel 13 can be extended and retracted from the telescopic tailgate panel body 1, thereby achieving expansion or contraction.

[0041] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the vehicle positioning frame includes a limit frame cover plate 17, which can be rotatably set on the bottom plate of the rear compartment 21; specifically, a lower wheel fixing frame 3 is provided at the rear end of one end face of the limit frame cover plate 17, and an upper wheel limit frame 8 is provided at the front end of the same end face of the limit frame cover plate 17; specifically, the lower wheel fixing frame 3 and the upper wheel limit frame 8 are provided on the limit frame cover plate 17 along the same straight line direction, so that the installation and replacement of the front and rear wheels of the vehicle can be achieved; further, the distance between the lower wheel fixing frame 3 and the upper wheel limit frame 8 can be adjusted, so that the front and rear wheels of the consignment vehicle can be clamped and fixed to achieve positioning.

[0042] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, a lower sliding rail 5 is provided on the limit frame cover plate 17, and the lower wheel fixing frame 3 can be slidably set on the lower sliding rail 5, so as to adjust the distance between the lower wheel fixing frame 3 and the upper wheel limiting frame 8, thereby achieving the function of fixing the wheel and limiting. Furthermore, a lower limiting pin 4 is provided on the lower sliding rail 5, and the lower limiting pin 4 is used to limit the sliding of the lower wheel fixing frame 3 on the lower sliding rail 5.

[0043] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, an upper sliding rail 6 is provided on the limit frame cover plate 17, and the upper wheel limit frame 8 can be slidably set on the upper sliding rail 6, so as to adjust the distance between the lower wheel fixing frame 3 and the upper wheel limit frame 8, thereby achieving the function of fixing the wheel and limiting. Furthermore, an upper wheel limiting pin 7 is provided on the upper sliding rail 6, and the upper wheel limiting pin 7 can be used to limit the upper wheel limiting frame 8 from sliding on the upper sliding rail 6.

[0044] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, a first lifting mechanism and a second lifting mechanism are provided on the limit frame cover plate 17, and the first lifting mechanism and the second lifting mechanism are respectively electrically connected to the control system to realize lifting control; specifically, the first lifting mechanism is connected to the lower wheel fixing frame 3 by transmission, so that the lower wheel fixing frame 3 can be driven to move up and down on the limit frame cover plate 17; further, the second lifting mechanism is connected to the upper wheel limit frame 8 by transmission, so that the upper wheel limit frame 8 can be driven to move up and down on the limit frame cover plate 17; specifically, the first lifting mechanism and the second lifting mechanism are lifted and lowered simultaneously, so as to ensure that the front and rear vehicles can fall into the lower wheel fixing frame 3 and the upper wheel limit frame 8 to realize positioning.

[0045] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, a flipping mechanism is provided on the bottom plate of the rear compartment 21, and the flipping mechanism is electrically connected to the control system; specifically, the flipping mechanism is movably connected to the limit frame cover plate 17, thereby being able to drive the limit frame cover plate 17 to flip. This design scheme can effectively hide the vehicle positioning frame, thereby preventing the vehicle positioning frame from hindering the use of the rear compartment when not in use.

[0046] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3As shown, the vehicle positioning frame can be designed to include a first vehicle positioning frame and a second vehicle positioning frame, wherein the first vehicle positioning frame and the second vehicle positioning frame are arranged side by side on the bottom plate, so that a four-wheel consignment vehicle or two two-wheel consignment vehicles can be positioned; further, the winch tow hook 9 can be telescopically arranged on the rear compartment 21, and the winch tow hook 9 includes a first tow hook and a second tow hook, which can respectively hook the consignment vehicles on the first vehicle positioning frame and the second vehicle positioning frame by telescoping, thereby realizing positioning on both sides; adopting the above design, consignment in a double-vehicle mode can be realized, and the winch tow hook can be split into a double-head mode.

[0047] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the winch hook 9 is arranged in the middle position of the front side of the rear compartment 21 and is opposite to the telescopic tailgate panel body 1, which is convenient for consignment; further, a winch baffle 16 is provided on the front side of the rear compartment 21, and the winch baffle 16 is rotatably arranged on the front side of the rear compartment 21 to block the winch hook 9; specifically, the control system includes a tow hook motor and a rope, the tow hook motor is connected to one end of the rope, and the other end of the rope is connected to the winch hook 9, so that the winch hook 9 can be driven to stretch; the above design can facilitate the vehicle to load and unload bicycles, electric bicycles and motorcycles that need to be checked in, and through a special fixing bracket and a winch stretching and fixing method, the loaded objects can be safely fixed to reduce the occurrence of safety hazards.

[0048] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the present invention provides a pickup trailer, and the consigned vehicle is a bicycle, an electric bicycle or a motorcycle; specifically, the owner can close the limit frame cover plate 17 by continuing to control the switch in the control area 19 inside the vehicle compartment, and then start to control the winch towing hook 9 to be retracted. Then, the telescopic tailgate is closed by adjusting the switch in the control area 19 inside the vehicle compartment, and the telescopic chain control motor 2 controls the telescopic stretching wire rope 10 to drive the fourth telescopic tailgate panel 11, the third telescopic tailgate panel 12, and the second telescopic tailgate panel 13 to extend and retract. After extending until they are retracted into the telescopic tailgate panel body 1, the first electric tailgate support chain 14 and the second electric tailgate support chain 15 are started to start working, and the telescopic tailgate panel body 1 is retracted upward until the telescopic tailgate is closed; the overall operation is completed. The above operation is in the vehicle electric mode. In manual mode, the electric control part except the winch can be opened or closed in manual mode.

[0049] Accordingly, combined with the above scheme, if Figures 1 to 3 As shown, the present invention also provides a pickup trailer operating method, which is used for the above-mentioned pickup trailer; the operating method includes the following process:

[0050] S1: Starting the support chain control motor of the control system to drive the telescopic tailgate panel body 1 to rotate, so that the telescopic tailgate panel body 1 turns to the ground;

[0051] S2: Starting the telescopic chain control motor 2 of the control system to drive the fourth telescopic tailgate panel 11, the third telescopic tailgate panel 12 and the second telescopic tailgate panel 13 to telescope on the telescopic tailgate panel body 1 until they touch the ground;

[0052] S3: Activate the flip mechanism of the control system to drive the limit frame cover plate 17 to flip, so that the vehicle positioning frame on the limit frame cover plate 17 is exposed on the bottom plate of the rear compartment 21;

[0053] S4: Start the towing hook motor of the control system to drive the winch towing hook 9 to extend until the winch towing hook 9 is hooked onto the consigned vehicle, and start the towing hook motor again to drive the winch towing hook 9 to retract until the consigned vehicle passes through the fourth telescopic tailgate panel 11, the third telescopic tailgate panel 12, the second telescopic tailgate panel 13 and the telescopic tailgate panel body 1 and moves onto the limit frame cover plate 17, so that the front wheels of the consigned vehicle are located in the upper wheel limit frame 8 of the limit frame cover plate 17, and the rear wheels of the consigned vehicle are located in the lower wheel fixing frame 3 of the limit frame cover plate 17;

[0054] S5: Adjust the distance between the lower wheel fixing frame 3 and the upper wheel limiting frame 8 to ensure that the wheels of the consigned vehicle are accommodated;

[0055] S6: Activate the lifting mechanism on the limiting frame cover plate 17 to lift the lower wheel fixing frame 3 and the upper wheel limiting frame 8;

[0056] S7: Start the tow hook motor to retract the movable winch tow hook 9, so that the movable winch tow hook 9 hooks the consignment vehicle and tightens it. At this time, the vehicle loading is completed and the transfer can begin.

[0057] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the owner needs to unload a consigned vehicle such as a bicycle / electric bicycle / motorcycle, the operation is as follows:

[0058] S8: The tailgate extension mode is activated by the electric tailgate logic control switch 18. The first electric tailgate support chain 14 and the second electric tailgate support chain 15 start working, extending the telescopic tailgate panel 1 downward. The telescopic chain control motor 2 is simultaneously started to control the telescopic stretching wire rope 10 to drive the fourth telescopic tailgate panel 11, the third telescopic tailgate panel 12, and the second telescopic tailgate panel 13 to extend downward until they touch the ground.

[0059] S9: By means of the switch in the control area 19 inside the carriage, the lower wheel fixing frame 3 and the upper wheel limiting frame 8 are started to be lowered, and at the same time, the distance between the lower sliding track 5 of the lower limiting pin 4 and the upper sliding track 6 of the upper wheel positioning pin 7 is increased, thereby releasing the limiting effect on the wheels and facilitating unloading of the loaded vehicle;

[0060] S10: Start the winch hook 9 extension mode, and pass the target vehicle through the telescopic tailgate panel body 1, the second telescopic tailgate panel 13, the third telescopic tailgate panel 12, and the fourth telescopic tailgate panel 11 until the vehicle is stably separated from the vehicle and lands on the ground, then release the winch hook 9 to complete the vehicle unloading work.

[0061] The solution provided by the present invention can make full use of the thickness of the pickup truck's tailgate, realize multi-stage extension and retraction of the door panel, and form a slope between the vehicle compartment and the ground, making it convenient for the vehicle to load and unload bicycles, electric bicycles, motorcycles, etc. that need to be loaded and shipped; through the vehicle positioning frame and winch tow hook extension and fixing method, the consigned vehicle can be safely fixed, the occurrence of danger is reduced, and the safety factor is improved.

[0062] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make many possible changes and modifications to the technical solution of the present invention using the above technical content, or modify it into an equivalent embodiment with equivalent changes. Therefore, any changes, modifications, equivalent changes, and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention shall fall within the scope of protection of the present technical solution.

Claims

1. A pickup trailer, characterized in that: The pickup trailer (20) is provided with a rear compartment (21), a vehicle positioning frame and a winch hook (9) are provided in the rear compartment (21), and a retractable tailgate is provided at the rear of the rear compartment (21); the pickup trailer (20) is also provided with a control system, and the control system is electrically connected to the vehicle positioning frame, the winch hook (9) and the retractable tailgate respectively; The control system is capable of controlling the telescopic tailgate to open and extend to the ground, and is capable of controlling the telescopic tailgate to retract and close. The control system can control and drive the vehicle positioning frame to flip on the bottom plate of the rear compartment (21), so that the consignment vehicle can be loaded or hidden at the bottom of the bottom plate; The control system can control and drive the winch hook (9) to extend and retract, thereby being able to hook the consignment vehicle to stretch or fix the consignment vehicle; The vehicle positioning frame includes a limit frame cover plate (17), and the limit frame cover plate (17) can be rotatably arranged on the bottom plate of the rear compartment (21); a lower wheel fixing frame (3) is provided at the rear end of one end surface of the limit frame cover plate (17), and an upper wheel limit frame (8) is provided at the front end of the same end surface of the limit frame cover plate (17); the lower wheel fixing frame (3) and the upper wheel limiting frame (8) are arranged on the limit frame cover plate (17) along the same straight line direction, and the distance between the lower wheel fixing frame (3) and the upper wheel limiting frame (8) can be adjusted, so that the front and rear wheels of the consignment vehicle can be clamped and fixed; The limit frame cover plate (17) is provided with a first lifting mechanism and a second lifting mechanism, and the first lifting mechanism and the second lifting mechanism are respectively electrically connected to the control system; the first lifting mechanism is connected to the lower wheel fixing frame (3) in a transmission manner, thereby being able to drive the lower wheel fixing frame (3) to move up and down on the limit frame cover plate (17); the second lifting mechanism is connected to the upper wheel limit frame (8) in a transmission manner, thereby being able to drive the upper wheel limit frame (8) to move up and down on the limit frame cover plate (17); and / or, A flipping mechanism is provided on the bottom plate of the rear compartment (21), and the flipping mechanism is electrically connected to the control system; the flipping mechanism is movably connected to the limit frame cover plate (17), thereby being able to drive the limit frame cover plate (17) to flip.

2. The pickup trailer according to claim 1, characterized in that: The telescopic tailgate comprises a telescopic tailgate panel body (1), the bottom of which is rotatably connected to the rear of the floor panel of the rear compartment (21) via an electric tailgate support chain; the control system comprises a support chain control motor, which is transmission-connected to the electric tailgate support chain and can drive the electric tailgate support chain to drive the telescopic tailgate panel body (1) to rotate, thereby opening the telescopic tailgate panel body (1) toward the ground or closing it toward the rear compartment (21).

3. The pickup trailer according to claim 2, characterized in that: The telescopic tailgate panel body (1) is provided with a second telescopic tailgate panel (13), a third telescopic tailgate panel (12) and a fourth telescopic tailgate panel (11); the second telescopic tailgate panel (13) can be telescopically arranged on the telescopic tailgate panel body (1), the third telescopic tailgate panel (12) can be telescopically arranged on the second telescopic tailgate panel (13), and the fourth telescopic tailgate panel (11) can be telescopically arranged on the third telescopic tailgate panel (12).

4. The pickup trailer according to claim 3, characterized in that: The control system includes a telescopic chain control motor (2) and a telescopic stretching wire rope (10); the telescopic chain control motor (2) is arranged on the side of the rear compartment (21) and is connected to one end of the telescopic stretching wire rope (10); the other end of the telescopic stretching wire rope (10) is connected to the fourth telescopic tailgate panel (11); the telescopic chain control motor (2) can drive the telescopic stretching wire rope (10) to drive the fourth telescopic tailgate panel (11) to move telescopically, thereby causing the fourth telescopic tailgate panel (11) to drive the third telescopic tailgate panel (12) and the second telescopic tailgate panel (13) to move telescopically.

5. The pickup trailer according to claim 1, characterized in that: The limiting frame cover plate (17) is provided with a lower sliding track (5), and the lower wheel fixing frame (3) can be slidably arranged on the lower sliding track (5), thereby adjusting the distance between the lower wheel fixing frame (3) and the upper wheel limiting frame (8); the lower sliding track (5) is provided with a lower limiting pin (4), and the lower limiting pin (4) is used to limit the sliding of the lower wheel fixing frame (3) on the lower sliding track (5); and / or, An upper sliding rail (6) is provided on the limiting frame cover plate (17), and the upper wheel limiting frame (8) can be slidably arranged on the upper sliding rail (6), thereby adjusting the distance between the lower wheel fixing frame (3) and the upper wheel limiting frame (8); an upper wheel limiting pin (7) is provided on the upper sliding rail (6), and the upper wheel limiting pin (7) can be used to limit the upper wheel limiting frame (8) from sliding on the upper sliding rail (6).

6. The pickup trailer according to claim 1, characterized in that: The vehicle positioning frame comprises a first vehicle positioning frame and a second vehicle positioning frame, and the first vehicle positioning frame and the second vehicle positioning frame are arranged side by side on the bottom plate, so as to be able to position a four-wheeled consignment vehicle or two two-wheeled consignment vehicles; the winch towing hook (9) can be telescopically arranged on the rear compartment (21), and the winch towing hook (9) comprises a first towing hook and a second towing hook, and the first towing hook and the second towing hook can respectively hook the consignment vehicles on the first vehicle positioning frame and the second vehicle positioning frame by telescoping.

7. The pickup trailer according to claim 1, characterized in that: The winch hook (9) is arranged at a middle position of the front side of the rear compartment (21) and is opposite to the telescopic tailgate panel body (1); the control system includes a hook motor and a rope, the hook motor is connected to one end of the rope, and the other end of the rope is connected to the winch hook (9), thereby being able to drive the winch hook (9) to stretch; The consignment vehicle is a bicycle, an electric bicycle or a motorcycle.

8. A method for operating a pickup trailer, used for the pickup trailer according to any one of claims 1 to 7; characterized in that: The operating method The following processes are included: S1: starting the support chain control motor of the control system to drive the telescopic tailgate panel body (1) to rotate, thereby causing the telescopic tailgate panel body (1) to turn toward the ground; S2: starting the telescopic chain control motor (2) of the control system to drive the fourth telescopic tailgate panel (11), the third telescopic tailgate panel (12) and the second telescopic tailgate panel (13) to telescopically move on the telescopic tailgate panel body (1) until they touch the ground; S3: activating the flipping mechanism of the control system to drive the limit frame cover plate (17) to flip, thereby allowing the vehicle positioning frame on the limit frame cover plate (17) to be exposed on the bottom plate of the rear compartment (21); S4: Start the towing hook motor of the control system to drive the winch towing hook (9) to extend until the winch towing hook (9) is hooked on the consignment vehicle, and start the towing hook motor again to drive the winch towing hook (9) to retract until the consignment vehicle passes through the fourth telescopic tailgate panel (11), the third telescopic tailgate panel (12), the second telescopic tailgate panel (13) and the telescopic tailgate panel body (1) to move onto the limit frame cover plate (17), and the front wheels of the consignment vehicle are located in the upper wheel limit frame (8) of the limit frame cover plate (17), and the rear wheels of the consignment vehicle are located in the lower wheel fixing frame (3) of the limit frame cover plate (17); S5: adjusting the distance between the lower wheel fixing frame (3) and the upper wheel limiting frame (8) to ensure that the wheels of the consignment vehicle are accommodated; S6: activating the lifting mechanism on the limiting frame cover plate (17), thereby lifting the lower wheel fixing frame (3) and the upper wheel limiting frame (8); S7: starting the towing hook motor to retract the movable winch towing hook (9), thereby causing the movable winch towing hook (9) to hook the consignment vehicle and tighten.

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