Flexible automobile trailer frame with telescopic structure

Abstract

The utility model discloses a flexible automobile trailer frame with a telescopic structure, and relates to the technical field of trailer frames, the flexible automobile trailer frame comprises a trailer fixing seat, a supporting cross bar, a bearing sliding block, a first supporting frame and a driving block, the trailer fixing seat is arranged on the left side of the supporting cross bar, and a control screw rod is installed on the right side of the supporting cross bar; a bearing sliding block is installed on the control screw rod, a second supporting frame is installed on the side face of the bearing sliding block, a first supporting frame is arranged on the side face of the supporting cross bar, and bearing wheels are installed on the side face of the first supporting frame. Two supporting cross bars are adopted to guarantee the overall strength and the supporting effect of the device, a buffering soft plate is installed above a bearing sliding block and can support the bottom of the vehicle, second supporting frames on the two sides can enlarge the diameter of the trailer, it is guaranteed that the trailer adapts to vehicles of different sizes, and the compatibility of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of trailer frames, in particular to a flexible automobile trailer frame with a telescopic structure. Background Art

[0002] With the development of material and spiritual needs, more and more people have higher and higher requirements for travel. The single four-wheel mode can no longer meet the needs of some people, so various modes such as "4+2" and "4+4" have emerged, which combine cars with motorcycles, bicycles, and RVs. If different vehicles need to be combined, it is necessary to use a trailer to travel, but the existing car trailers have shortcomings, such as:

[0003] Publication No.: CN206606107U describes a horizontal bar trailer frame for lifting and towing a vehicle. The device adopts a bar-type structure to support the tires of the vehicle. The overall structure is relatively small, convenient to carry and use, and has been proven to have excellent use effects. Two support bars are provided opposite to each other, and the front of one support bar is connected to a towing bar; two sets of scissor legs are provided opposite to each other, and a ring is provided on the top of the scissor legs, and a running wheel is provided on the bottom; the support bar is installed in the ring on the top of the scissor leg; positioning devices for adjusting the distance between the two support bars are provided on both sides of the support bar. Since the device uses the scissor legs as a supporting structure, the height of the entire frame is raised too high in conjunction with the running wheels, which causes the problem of difficulty in loading the vehicle. Utility Model Content

[0004] The purpose of the utility model is to provide a flexible automobile trailer frame with a telescopic structure to solve the problem that the existing equipment on the market proposed in the above background technology uses scissor legs as a supporting structure and cooperates with walking wheels to raise the overall height of the frame too high, making it difficult to load the vehicle.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible automobile trailer frame with a telescopic structure, comprising a trailer fixing seat, a supporting cross bar, a load-bearing sliding block, a first supporting frame and a driving block;

[0006] The trailer fixing seat is arranged on the left side of the supporting cross bar, a control screw is installed on the right side of the supporting cross bar, a load-bearing slider is installed on the control screw, a second supporting frame is installed on the side of the load-bearing slider, a first supporting frame is arranged on the side of the supporting cross bar, a load-bearing wheel is installed on the side of the first supporting frame, a lifting load-bearing arm is installed on the right side of the first supporting frame, a driving block is installed on the first supporting frame, and a load-bearing pedal is installed on the lifting load-bearing arm.

[0007] As a preferred technical solution of the utility model, the trailer fixing seat is fixedly connected to the left side of the support cross bar, the support cross bar is a rectangular structure with a square tube structure inside, and there are two support cross bars;

[0008] By adopting the above technical solution, the equipment can minimize the weight of the equipment by setting the supporting cross bar as a rectangular square tube structure, and the use of two supporting cross bars can ensure the overall strength and supporting effect of the equipment.

[0009] As a preferred technical solution of the utility model, a control screw is rotatably connected in the support crossbar, the control screw is installed on the midline between the support crossbars, a bearing slider is installed on the control screw, a buffer soft plate is installed above the bearing slider, and a second support frame is fixedly connected to both sides of the bearing slider;

[0010] By adopting the above technical solution, the device can lift the bottom of the vehicle by installing a buffer soft plate above the load-bearing slider, and the second support frames on both sides can expand the trailer diameter to ensure adaptation to vehicles of different sizes and improve the compatibility of the equipment.

[0011] As a preferred technical solution of the utility model, a groove structure is provided at the connection between the load-bearing slider and the second support frame, and the load-bearing slider is slidably connected to the support cross bar;

[0012] By adopting the above technical solution, the device can arbitrarily control the position of the second support frame on the supporting cross bar through the cooperation of the load-bearing slider and the control screw to adapt to vehicles of different lengths, and can realize vehicle towing under the action of the buffer soft plate above the load-bearing slider.

[0013] As a preferred technical solution of the utility model, the second support frame is a trapezoidal structure composed of three squares, and the square tubes on both sides of the second support frame are provided with rounded corner structures;

[0014] By adopting the above technical solution, the device can prevent the vehicle from reversing and falling during trailer transportation through the rounded corner structure set on the square tubes on both sides of the second support frame, thereby ensuring the safety of the vehicle.

[0015] As an optimal technical solution of the utility model, the control screw is installed on a driving block, the driving block has a built-in motor and a gearbox, the driving block is fixedly connected between the supporting cross bars, the supporting cross bars on both sides of the driving block are fixedly connected to a first supporting frame, the first supporting frame is rotatably connected to a load-bearing wheel on the midline, the right side of the driving block is rotatably connected to a lifting load-bearing arm, and a load-bearing pedal is installed on the lifting load-bearing arm.

[0016] By adopting the above technical solution, the equipment can lower the load pedal under the drive of the built-in motor of the driving block through the lifting load arm arranged on the right side of the driving block, so as to facilitate the towed vehicle to get on the vehicle. The load pedal can also be erected as a protective plate to prevent the vehicle from slipping.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The equipment can reduce the weight of the equipment to the maximum extent by setting the supporting crossbar as a rectangular square tube structure, and the use of two supporting crossbars can ensure the overall strength and supporting effect of the equipment. A buffer soft plate is installed above the load-bearing slider to lift the bottom of the vehicle, and the second support frames on both sides can expand the trailer diameter to ensure that it can adapt to vehicles of different sizes and improve the compatibility of the equipment;

[0019] 2. The rounded corner structure of the square tubes on both sides of the second support frame can prevent the vehicle from reversing and falling during trailer transportation, thereby ensuring the safety of the vehicle. The lifting load-bearing arm on the right side of the driving block can lower the load-bearing pedal under the drive of the built-in motor of the driving block to facilitate the towed vehicle to get on the vehicle. The load-bearing pedal can also be raised as a protective plate to prevent the vehicle from slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a left-side perspective structural diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model when viewed from the left side;

[0023] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above;

[0024] Figure 5 This is a right-side perspective structural diagram of the utility model;

[0025] Figure 6 It is a left-side structural schematic diagram of the utility model.

[0026] In the figure: 1, trailer fixing seat; 2, supporting cross bar; 3, load-bearing sliding block; 4, first supporting frame; 5, load-bearing pedal; 6, load-bearing wheel; 7, control screw; 8, second supporting frame; 9, lifting load-bearing arm; 10, driving block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 , the technical solution of the utility model: a flexible automobile trailer frame with a telescopic structure, including a trailer fixing seat 1, a supporting cross bar 2, a load-bearing slider 3, a first support frame 4, a load-bearing pedal 5, a load-bearing wheel 6, a control screw 7, a second support frame 8, a lifting load-bearing arm 9 and a driving block 10;

[0029] The trailer fixing seat 1 is arranged on the left side of the supporting cross bar 2, and the trailer fixing seat 1 is fixedly connected to the left side of the supporting cross bar 2. The supporting cross bar 2 is a rectangle as a whole and has a square tube structure inside. There are two supporting cross bars 2. The equipment can maximize the weight reduction of the equipment by setting the supporting cross bar 2 to a rectangular square tube structure, and the use of two supporting cross bars 2 can ensure the overall strength and supporting effect of the equipment. A control screw 7 is installed on the right side of the supporting cross bar 2, and the control screw 7 is rotatably connected inside the supporting cross bar 2. The control screw 7 is installed on the center line between the supporting cross bars 2, and a load-bearing slider 3 is installed on the control screw 7. A buffer soft board is installed above the load-bearing slider 3, and the load-bearing slider 3 is fixedly connected on both sides with the second Second support frame 8, the device can lift the bottom of the vehicle by installing a buffer soft plate above the load-bearing slider 3, and the second support frames 8 on both sides can expand the trailer diameter to ensure that it can adapt to vehicles of different sizes and improve the compatibility of the device. The load-bearing slider 3 is installed on the control screw 7, and the second support frame 8 is installed on the side of the load-bearing slider 3. A groove structure is provided at the connection between the load-bearing slider 3 and the second support frame 8. The load-bearing slider 3 is slidably connected to the support cross bar 2. The device can arbitrarily control the position of the second support frame 8 on the support cross bar 2 through the cooperation of the load-bearing slider 3 and the control screw 7 to adapt to vehicles of different lengths, and the vehicle can be towed under the action of the buffer soft plate above the load-bearing slider 3;

[0030] A first support frame 4 is arranged on the side of the support crossbar 2, and the second support frame 8 is a trapezoid composed of three squares, and the square tubes on both sides of the second support frame 8 are provided with rounded corner structures. The rounded corner structures of the square tubes on both sides of the second support frame 8 can prevent the vehicle from reversing and falling during the trailer transportation process, thereby ensuring the safety of the vehicle. A load-bearing wheel 6 is installed on the side of the first support frame 4, a lifting load-bearing arm 9 is installed on the right side of the first support frame 4, and a driving block 10 is installed on the first support frame 4, a load-bearing pedal 5 is installed on the lifting load-bearing arm 9, and a control screw 7 is installed on the driving block 10. The driving block 10 has a built-in motor and a gearbox. The driving block 10 is fixedly connected between the supporting cross bars 2. The supporting cross bars 2 on both sides of the driving block 10 are fixedly connected to the first supporting frame 4. The first supporting frame 4 is rotatably connected to the load-bearing wheel 6 on the midline. The right side of the driving block 10 is rotatably connected to the lifting load-bearing arm 9, and the lifting load-bearing arm 9 is installed with a load-bearing pedal 5. The device can lower the load-bearing pedal 5 under the drive of the built-in motor of the driving block 10 through the lifting load-bearing arm 9 set on the right side of the driving block 10, so as to facilitate the towed vehicle to get on the vehicle, and can also erect the load-bearing pedal 5 as a protective plate to prevent the vehicle from slipping.

[0031] Working principle: When using this flexible automobile trailer frame with a telescopic structure, first connect the trailer fixing seat 1 to the trailer, and then use the remote control device to start the driving block 10 to move the load-bearing slider 3 and the second support frame 8 to the right side of the support cross bar 2 through the control screw 7. When loading the vehicle, you only need to put down the load-bearing pedal 5, and the vehicle is put on the load-bearing slider 3, and then the vehicle is towed by the load-bearing slider 3 until the rear wheels of the vehicle are placed on the first support frame 4 to complete the loading.

[0032] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible automobile trailer frame with a telescopic structure, comprising a trailer fixing seat (1), a supporting cross bar (2), a load-bearing slider (3), a first supporting frame (4) and a driving block (10), characterized in that: The trailer fixing seat (1) is arranged on the left side of the supporting cross bar (2), a control screw (7) is installed on the right side of the supporting cross bar (2), a load-bearing slider (3) is installed on the control screw (7), a second support frame (8) is installed on the side of the load-bearing slider (3), a first support frame (4) is arranged on the side of the supporting cross bar (2), a load-bearing wheel (6) is installed on the side of the first support frame (4), a lifting load-bearing arm (9) is installed on the right side of the first support frame (4), a driving block (10) is installed on the first support frame (4), and a load-bearing pedal (5) is installed on the lifting load-bearing arm (9).

2. The flexible automobile trailer frame with a telescopic structure according to claim 1, characterized in that: The trailer fixing seat (1) is fixedly connected to the left side of the supporting cross bar (2); the supporting cross bar (2) is in the shape of a rectangle as a whole and has a square tube structure inside; there are two supporting cross bars (2).

3. The flexible automobile trailer frame with a telescopic structure according to claim 2, characterized in that: A control screw (7) is rotatably connected inside the support cross bar (2), and the control screw (7) is installed on the center line between the support cross bars (2). A load-bearing slider (3) is installed on the control screw (7), and a buffer soft plate is installed above the load-bearing slider (3). Second support frames (8) are fixedly connected to both sides of the load-bearing slider (3).

4. The flexible automobile trailer frame with a telescopic structure according to claim 3, characterized in that: A groove structure is provided at the connection between the load-bearing slider (3) and the second support frame (8), and the load-bearing slider (3) is slidably connected to the supporting cross bar (2).

5. The flexible automobile trailer frame with a telescopic structure according to claim 4, characterized in that: The second support frame (8) is a trapezoidal structure composed of three squares, and the square tubes on both sides of the second support frame (8) are provided with rounded corner structures.

6. The flexible automobile trailer frame with a telescopic structure according to claim 5, characterized in that: The control screw rod (7) is mounted on a driving block (10). The driving block (10) has a built-in motor and a gearbox. The driving block (10) is fixedly connected between the supporting cross bars (2). The supporting cross bars (2) on both sides of the driving block (10) are fixedly connected to a first supporting frame (4). The first supporting frame (4) is rotatably connected to a load-bearing wheel (6) on the center line. The right side of the driving block (10) is rotatably connected to a lifting load-bearing arm (9). A load-bearing pedal (5) is installed on the lifting load-bearing arm (9).

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