Foldable trailer

Abstract

The utility model relates to the technical field of trailers and discloses a foldable trailer which comprises an annular frame, two first baffles are fixedly welded to the outer wall of the top of the annular frame, two partition plates are connected into the annular frame in a sliding mode, and second baffles are fixedly welded to the outer walls of the tops of the two partition plates. Fences are fixedly welded to the sides, close to the first baffle, of the four second baffles correspondingly, and racks are fixedly welded to the opposite sides of the two partition plates correspondingly. According to the foldable trailer, by twisting bolts on the two sides, a supporting plate is moved upwards, then the supporting plate is rotated, a rotating shaft is driven to rotate, a limiting plate and a rotating gear are driven to rotate, racks on the two sides are driven to move, partition plates are driven to move towards the inner side, and under driving of the partition plates on the two sides, a fence on a second baffle can be driven to enter a first baffle; the length of the trailer can be reduced, the folding length reduction effect can be achieved, and the problems that the length of the bottom plate of the trailer is larger than the length of a trailed vehicle, vehicle running is affected by the length of the bottom plate, and much inconvenience is caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of trailers, in particular to a foldable trailer. Background Art

[0002] Tow trucks, also known as road wreckers, road rescue trucks, and towing trucks, have multiple functions, including lifting, pulling, and lifting. They are primarily used for rescuing broken vehicles, urban traffic violations, and emergency rescue. Tow trucks are categorized into: tow truck-attached, tow truck-detached, one-to-one, flatbed, two-to-one, multi-function, and hydraulic automatic clamping.

[0003] However, when using a trailer, there is a problem that the base plate is too long, which affects the steering and is inconvenient for the driver to use. In most cases, the length of the trailer base plate is longer than the length of the towed vehicle. The length of the base plate affects the driving of the vehicle and causes many inconveniences. Therefore, we propose a foldable trailer. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the present invention provides a foldable trailer to solve the problem mentioned in the above background technology that the length of the trailer floor is longer than the length of the towed vehicle, which affects the driving of the vehicle and causes many inconveniences.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a foldable trailer, comprising an annular frame, wherein two first baffles are fixedly welded to the top outer wall of the annular frame, and two partitions are slidably connected inside the annular frame, and the top outer walls of the two partitions are fixedly welded with second baffles, and the four second baffles are fixedly welded with a fence on one side close to the first baffle, and the two partitions are fixedly welded with a rack on the opposite side, and the internal rotation of the annular frame is connected to a rotating gear, a sliding hole is provided inside the rotating gear, and the internal rotation of the sliding hole is connected to a rotating shaft, the outer wall of the rotating shaft is fixedly welded with two circular plates, the top of the rotating shaft is fixedly welded with a support plate, and the internal threaded connection of the annular frame is two bolts.

[0006] Preferably, a trailer frame is fixedly welded to the bottom outer wall of the annular frame, a threaded rod is connected to the inner thread of the trailer frame, and a turntable is fixedly installed on the top end of the threaded rod.

[0007] Preferably, a pad is fixedly welded to the bottom end of the threaded rod, and a rubber pad is fixedly installed on the bottom of the pad.

[0008] Preferably, the outer wall of the rotating gear is meshedly connected with the outer walls of the two racks, and the outer walls of the two limiting plates are slidably connected with the inside of the sliding hole.

[0009] Preferably, the two circular plates are symmetrically arranged on both sides of the rotating gear, and the two bolts are penetrated and arranged inside the support plate.

[0010] Preferably, a groove is formed on the outer wall of the annular frame, and the interior of the groove is movably connected to the outer wall of the support plate.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The foldable trailer moves the support plate upward by twisting the bolts on both sides, and then rotates the support plate to drive the rotating shaft to rotate, drive the limit plate and the rotating gear to rotate, drive the racks on both sides to move, and drive the partition to move inward. Driven by the partitions on both sides, the fence on the second baffle will be driven into the first baffle, which can achieve the effect of shortening the trailer length. It can achieve the effect of folding and shortening the length, and solves the problem that the length of the trailer floor is longer than the length of the towed vehicle, which affects the vehicle driving due to the length of the floor, causing many inconveniences.

[0013] 2. The foldable trailer is connected to the trailer hook at the rear of the car through the trailer frame. The trailer frame is connected with a threaded rod inside to adjust the distance between the pad and the trailer frame, which can support the trailer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a three-dimensional schematic diagram of the annular frame and its related structures of the utility model;

[0016] Figure 3 This is a three-dimensional schematic diagram of the utility model partition and its related structures;

[0017] Figure 4 For the utility model structure Figure 1 A in the middle is an enlarged schematic diagram;

[0018] Figure 5 For the utility model structure Figure 3 Enlarged schematic diagram of point B in the middle.

[0019] In the figure: 1. annular frame; 2. first baffle; 3. second baffle; 4. fence; 5. partition; 6. rack; 7. rotating gear; 8. sliding hole; 9. rotating shaft; 10. circular plate; 11. limit plate; 12. support plate; 13. bolt; 14. trailer frame; 15. threaded rod; 16. turntable. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example:

[0022] Please refer to Figures 1-5.

[0023] A foldable trailer includes an annular frame 1, two first baffles 2 are fixedly welded to the top outer wall of the annular frame 1, two partitions 5 are slidably connected to the inside of the annular frame 1, second baffles 3 are fixedly welded to the top outer walls of the two partitions 5, four second baffles 3 are fixedly welded to the sides close to the first baffles 2, racks 6 are fixedly welded to the opposite sides of the two partitions 5, a rotating gear 7 is rotatably connected to the inside of the annular frame 1, a sliding hole 8 is opened inside the rotating gear 7, a rotating shaft 9 is rotatably connected to the inside of the sliding hole 8, two circular plates 10 are fixedly welded to the outer wall of the rotating shaft 9, a support plate 12 is fixedly welded to the top of the rotating shaft 9, and two bolts 13 are threadedly connected to the inside of the annular frame 1;

[0024] Specifically, when the trailer needs to be folded to shorten its length, the bolts 13 on both sides are twisted, and then the support plate 12 is moved upward. The support plate 12 will move a certain distance outside the annular frame 1, and then the support plate 12 is rotated. The support plate 12 will drive the rotating shaft 9 to rotate, and the rotating shaft 9 will drive the limiting plate 11 and the rotating gear 7 to rotate. The rotation of the rotating gear 7 will drive the racks 6 on both sides to move, and the racks 6 on both sides drive the partitions 5 to move inward. Driven by the partitions 5 on both sides, the fence 4 on the second baffle 3 will enter the first baffle 2, so as to shorten the trailer length. The effect of folding and shortening the length can be achieved, which solves the problem that the length of the trailer floor is longer than the length of the towed vehicle, and the length of the floor affects the driving of the vehicle, causing many inconveniences.

[0025] In the embodiment: a trailer frame 14 is fixedly welded to the bottom outer wall of the annular frame 1, a threaded rod 15 is connected to the inner thread of the trailer frame 14, and a turntable 16 is fixedly installed on the top of the threaded rod 15;

[0026] Specifically, the trailer frame 14 is used to connect to the trailer hook at the rear of the car. A threaded rod 15 is connected inside the trailer frame 14 to adjust the distance between the pad and the trailer frame 14, which can support the trailer. The turntable 16 is provided to facilitate the rotation of the turntable 16.

[0027] In the embodiment: a backing plate is fixedly welded to the bottom end of the threaded rod 15, and a rubber pad is fixedly installed on the bottom of the backing plate;

[0028] Specifically, a pad is provided at the bottom end of the threaded rod 15 to achieve the effect of supporting the trailer, and the rubber pad is provided for buffering;

[0029] In the embodiment: the outer wall of the rotating gear 7 is meshed with the outer walls of the two racks 6, and the outer walls of the two limiting plates 11 are slidably connected with the inner part of the sliding hole 8;

[0030] Specifically, the rotating gear 7 is meshed with the rack 6 to achieve the effect of driving the rack 6 to move outward, and the limiting plate 11 is slidably connected with the sliding hole 8 to achieve the effect of the rotating shaft 9 driving the rotating gear 7 to rotate;

[0031] In the embodiment: two circular plates 10 are symmetrically arranged on both sides of the rotating gear 7, and two bolts 13 are arranged through the interior of the support plate 12;

[0032] Specifically, the circular plates 10 are symmetrically arranged on both sides of the rotating gear 7, which can achieve the effect of limiting the movement of the rotating shaft 9 out of the inner side of the rotating gear 7. The bolts 13 are arranged through the inner side of the support plate 12, which can support and fix the support plate 12, thereby achieving the effect of limiting the rotation of the rotating gear 7.

[0033] In the embodiment: the outer wall of the annular frame 1 is provided with a groove, and the interior of the groove is movably connected to the outer wall of the support plate 12;

[0034] Specifically, a groove is provided on the outer wall of the annular frame 1 to hide the support plate 12, so that the support plate 12 can be hidden in the outer wall of the annular frame 1 to prevent the support plate 12 from affecting the placement of items;

[0035] Working principle: twist the bolts 13 on both sides to move the support plate 12 upward, and then rotate the support plate 12 to drive the rotating shaft 9 to rotate, drive the limit plate 11 and the rotating gear 7 to rotate, drive the racks 6 on both sides to move, and drive the partition 5 to move inward. Driven by the partitions 5 on both sides, the fence 4 on the second baffle 3 will be driven into the first baffle 2, which can achieve the effect of shortening the length of the trailer. Compared with the relevant technology, the foldable trailer provided by the utility model has the following beneficial effects: it can achieve the effect of folding and reducing the length, and solves the problem that the length of the trailer floor is longer than the length of the towed vehicle, and the length of the floor affects the driving of the vehicle, causing many inconveniences.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foldable trailer comprising a ring frame (1), characterized in that: The top outer wall of the annular frame (1) is fixedly welded with two first baffles (2), the inside of the annular frame (1) is slidably connected to two partitions (5), the top outer walls of the two partitions (5) are fixedly welded with second baffles (3), the sides of the four second baffles (3) close to the first baffle (2) are fixedly welded with enclosures, the opposite sides of the two partitions (5) are fixedly welded with racks (6), the inside of the annular frame (1) is rotatably connected to a rotating gear (7), the inside of the rotating gear (7) is provided with a sliding hole (8), the inside of the sliding hole (8) is rotatably connected to a rotating shaft (9), the outer wall of the rotating shaft (9) is fixedly welded with two circular plates (10) and two limit plates (11), the top of the rotating shaft (9) is fixedly welded with a support plate (12), and the inside of the annular frame (1) is threadedly connected with two bolts (13).

2. A foldable trailer according to claim 1, characterized in that: A trailer frame (14) is fixedly welded to the bottom outer wall of the annular frame (1), a threaded rod (15) is connected to the inner thread of the trailer frame (14), and a turntable (16) is fixedly mounted on the top end of the threaded rod (15).

3. A foldable trailer according to claim 2, characterized in that: A pad is fixedly welded to the bottom end of the threaded rod (15), and a rubber pad is fixedly installed on the bottom of the pad.

4. The foldable trailer according to claim 1, characterized in that: The outer wall of the rotating gear (7) is meshedly connected with the outer walls of the two racks (6), and the outer walls of the two limiting plates (11) are slidably connected with the interior of the sliding hole (8).

5. The foldable trailer according to claim 1, characterized in that: The two circular plates (10) are symmetrically arranged on both sides of the rotating gear (7), and the two bolts (13) are arranged to penetrate the interior of the support plate (12).

6. The foldable trailer according to claim 1, characterized in that: The outer wall of the annular frame (1) is provided with a groove, and the interior of the groove is movably connected to the outer wall of the support plate (12).

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