Foldable portable tow bar device

Abstract

The utility model discloses a foldable portable tow bar device, which belongs to the technical field of tow bars, and comprises a first vehicle bar body and a traction support, the surface of the first vehicle bar body is fixedly connected with a spring buckle block, the right side of the first vehicle bar body is fixedly connected with an external thread column, the right side of the first vehicle bar body is in threaded connection with a second vehicle bar body, and the second vehicle bar body is in threaded connection with the traction support. A pin shaft is movably connected to the left side of the first vehicle rod body, a traction rod is movably connected to the surface of the pin shaft, a reinforcing cross beam is fixedly connected to the right side of the traction rod, an inner threaded hole is formed in the second vehicle rod body, a second rotating groove is formed in the connecting block, and a detachable nut is connected to the interior of the connecting block. When the foldable portable tow bar device works, the length can be conveniently adjusted so as to adapt to different use environments, meanwhile, the foldable portable tow bar device can be folded and stored and is convenient to carry and transport, and the use safety and convenience are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to trailer pole technical field, concretely is a portable trailer pole device of collapsible. BACKGROUND

[0002] The trailer pole is a kind of transport tool with exquisite design, easy to carry and store, and is widely used in emergency rescue of vehicle, short-distance transportation etc.;

[0003] Because of the long trailer pole, steering is inconvenient, flexibility is poor, and ultimately leads to the need to spend a lot of time disassembling and replacing the required trailer pole, and the long trailer pole is inconvenient to carry, too heavy and other drawbacks due to its length;

[0004] In order to overcome the above defects, the prior art 1 (Chinese patent with application number CN202121490362.5 and application date of July 1, 2021) includes a first head-to-tail connecting rod, a second head-to-tail connecting rod and at least one middle connecting rod. One end of the first head-to-tail connecting rod is detachably connected to one end of the second head-to-tail connecting rod and one end of the middle connecting rod. The other end of the middle connecting rod is detachably connected to the one end of the middle connecting rod and the one end of the second head-to-tail connecting rod. By flexibly adding or removing the middle extension rod, the device can quickly switch between two working conditions. When transporting, the middle extension rod is removed to form a short trailer pole, which is convenient for steering and passing through the height limit section during transportation.

[0005] The device does not effectively solve the problems of foldability and portability, so it cannot be folded and is not portable, which causes unnecessary trouble during use.

[0006] In view of the above problems, it is urgent to make innovative design on the basis of the original trailer pole. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing a portable trailer pole device that can be folded to solve the problem that the existing trailer pole device cannot be folded for portability as mentioned in the background.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a portable trailer pole device that can be folded, including a first pole body, a traction bracket, a spring buckle is fixedly connected to the surface of the first pole body, an external thread column is fixedly connected to the right side of the first pole body, and a second pole body is threadedly connected to the right side of the first pole body.

[0009] The left side of the first car lever body is movably connected with a pin shaft, the surface of the pin shaft is movably connected with a traction rod, the right side of the traction rod is fixedly connected with a reinforcing cross beam, the right side of the reinforcing cross beam is fixedly connected with a reinforcing unhooking, the left side of the traction support is provided with a first rotating groove, and the right side of the traction support is telescopically connected with a traction disc.

[0010] Further comprising:

[0011] The inside of the second car lever body is provided with an internal thread hole, the right side of the second car lever body is fixedly connected with a connecting block, the inside of the connecting block is provided with a second rotating groove, and the inside of the connecting block is connected with a detachable nut.

[0012] Preferably, the detachable nut penetrates the first rotating groove and the second rotating groove, and the connecting block is rotatably connected with the traction support through the detachable nut.

[0013] Preferably, the inside of the spring buckle block is provided with a first spring groove, the left side of the first spring groove is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with a spring buckle.

[0014] Preferably, the spring buckle is symmetrically provided with two spring buckles about the spring buckle block, and the spring buckle is attached to the upper surface of the folded traction rod to achieve limiting.

[0015] Preferably, the inside of the traction support is provided with a second spring groove, and the left side of the second spring groove is fixedly connected with a buffer spring.

[0016] Preferably, the other end of the buffer spring is fixedly connected with a moving block, and the buffer spring is symmetrically provided with two moving blocks about the center of the moving block, and the end of the moving block slides in the inside of the second spring groove.

[0017] Preferably, the inside of the moving block is fixedly connected with a sliding column, the left side of the sliding column is fixedly connected with a locking nut, the sliding column penetrates the right end of the traction support and forms a telescopic structure with the traction support, and the right end of the sliding column is fixedly connected with the traction disc.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] (1) The portable trailer lever device can be folded, and when the trailer lever works, the traction rod can rotate around the pin shaft due to the long distance, the traction rod can rotate on the pin shaft, the trailer lever can be connected at multiple angles, and can be quickly placed in the same horizontal direction to achieve the force transmission effect, and the operation process is fast and convenient.

[0020] Further, the first and second car pole bodies are internally provided with threaded connections, and the first or second car pole body can be rotated to achieve distance adjustment, which is fast and convenient to operate.

[0021] (2) The foldable portable trailer pole device is provided with a spring buckle on the left side of the towing pole, the spring buckle is turned upward when the trailer pole works, the folding towing pole is turned upward, the towing pole is attached to the outer side of the first car pole body, the spring buckle is released, the spring buckle is elastically reset, the towing pole is limited, and the stability and safety of the folded trailer pole are improved.

[0022] Further, the maximum distance of the spring buckle is half of the width of the towing pole, and the spring buckle limits the towing pole.

[0023] (3) The foldable portable trailer pole device is provided with a buffer spring on the inner side of the towing support, a moving block is arranged on the outer side of the buffer spring, the moving block on the inner side of the towing support elastically slides when the trailer pole works, the buffer spring achieves the buffering purpose, the towing support protects the trailer pole, and the operation is simple, safe and reliable.

[0024] Further, a sliding column is arranged on the inner side of the moving block, and a towing disc is arranged at the tail end of the sliding column, the towing disc is efficient, stable and low in cost. DRAWINGS

[0025] Figure 1 It is a first car pole body and second car pole body connection structure schematic view of the utility model;

[0026] Figure 2 It is an outer thread column and inner thread hole threaded connection structure schematic view of the utility model;

[0027] Figure 3 It is a structure spring buckle and spring buckle block connection schematic view of the utility model;

[0028] Figure 4 It is a first car pole body and towing pole connection structure schematic view of the utility model;

[0029] Figure 5 It is a second car pole body and towing support connection structure schematic view of the utility model;

[0030] Figure 6 It is a towing support and moving block structure schematic view of the utility model;

[0031] Figure 7 It is a moving block and sliding column connection structure schematic view of the utility model.

[0032] In the figure: 1, the first car pole body; 2, the second car pole body; 3, spring buckle; 4, pin shaft; 5, tow bar; 6, reinforcing crossbeam; 7, reinforcing unhooking; 8, spring buckle; 9, detachable nut; 10, connecting block; 11, tow support; 12, tow disc; 13, external thread column; 14, internal thread hole; 15, first spring; 16, first rotary groove; 17, second rotary groove; 18, moving block; 19, second spring groove; 20, buffer spring; 21, locking nut; 22, sliding column; 23, first spring groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] Embodiment one: the detachable and portable trailer bar is realized by setting the threaded connection of the first car pole body 1 and the second car pole body 2, as shown in the figure: Figures 1-2

[0035] The utility model relates to a detachable and portable trailer bar, which comprises a first car pole body 1 and a tow support 11, the surface of the first car pole body 1 is fixedly connected with a spring buckle 3, the right side of the first car pole body 1 is fixedly connected with an external thread column 13, and the right side of the first car pole body 1 is threadedly connected with a second car pole body 2.

[0036] The left side of the first car pole body 1 is movably connected with a pin shaft 4, the surface of the pin shaft 4 is movably connected with a tow bar 5, the right side of the tow bar 5 is fixedly connected with a reinforcing crossbeam 6, and the right side of the reinforcing crossbeam 6 is fixedly connected with a reinforcing unhooking 7; the left side of the tow support 11 is provided with a first rotary groove 16, and the right side of the tow support 11 is telescopically connected with a tow disc 12.

[0037] The utility model further comprises that the inside of the second car pole body 2 is provided with an internal thread hole 14, the right side of the second car pole body 2 is fixedly connected with a connecting block 10, the inside of the connecting block 10 is provided with a second rotary groove 17, and the inside of the connecting block 10 is connected with a detachable nut 9.

[0038] When the trailer bar works, the front side of the first car pole body 1 is fixed with the external thread column 13, and the internal thread hole 14 in the second car pole body 2 is threadedly connected, the end of the first car pole body 1 is provided with the pin shaft 4, the tow bar 5 is rotated around the pin shaft 4 as the center, the maximum distance of use can be increased, the reinforcing crossbeam 6 and the reinforcing unhooking 7 are connected on the right side of the pin shaft 4, so that the trailer bar can more effectively maintain the stability and directionality of the traction force in the traction process, and the durability of the trailer bar is improved. ​

[0039] In this embodiment, unlike the first embodiment, the spring buckle 3 is connected with the second spring slot 19, so that the spring buckle 8 is moved to limit the traction rod 5, as shown in the figure. Figures 3-4

[0040] The detachable nut 9 penetrates the first rotating slot 16 and the second rotating slot 17, and the connecting block 10 is rotatably connected with the traction support 11 through the detachable nut 9 and the traction support 11. The inner side of the spring buckle 3 is provided with a first spring slot 23, and the inner side of the first spring slot 23 is rotatably connected with the spring buckle 8. The inner wall of the first spring slot 23 and the shaft part of the spring buckle 8 are fixedly connected with the first spring 15.

[0041] When the trailer rod needs to be folded for carrying, the spring buckle 8 is rotated upward, and the folding traction rod 5 is rotated to make the traction rod 5 contact with the first rod body 1. Then the spring buckle 8 is loosened, so that the spring buckle 8 is reset under the elastic force of the second spring slot 19 and is attached to the upper surface of the traction rod 5. At this time, the spring buckle 8 realizes the limiting protection of the traction rod 5, and improves the stability and safety of the trailer rod when carrying.

[0042] In this embodiment, unlike the second embodiment, the buffer spring 20 is connected with the moving block 18, so that the sliding column 22 moves, as shown in the figure. Figures 5-7

[0043] The inner side of the traction support 11 is provided with a second spring slot 19, and the left side of the second spring slot 19 is fixedly connected with a buffer spring 20. The other end of the buffer spring 20 is fixedly connected with a moving block 18. The buffer spring 20 is symmetrically arranged about the center of the moving block 18. The end part of the moving block 18 slides in the inner side of the second spring slot 19. The moving block 18 is fixedly connected with a sliding column 22 inside, and the left side of the sliding column 22 is fixedly connected with a locking nut 21. The sliding column 22 penetrates the right end of the traction support 11 and forms an extension structure with the traction support 11. The right end of the sliding column 22 is fixedly connected with a traction disc 12.

[0044] When the trailer rod works, the traction disc 12 will be pulled by force. At this time, the traction disc 12 will pull the moving block 18 to slide in the inner side of the traction support 11 through the sliding column 22. With the sliding of the moving block 18, the buffer spring 20 in the inner side of the second spring slot 19 will be compressed at both ends of the moving block 18. At this time, the buffer spring 20 can buffer the traction disc 12 under the elastic force, so as to avoid excessive wear of the trailer rod caused by instantaneous excessive force in the working process, effectively avoid the breakage of the trailer rod, and improve the use safety.

[0045] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.​​

[0046] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.

Claims

1. A foldable portable trailer pole device, comprising a first trailer pole body (1), a traction support (11), the surface of the first trailer pole body (1) is fixedly connected with a spring buckle (3), the right side of the first trailer pole body (1) is fixedly connected with an external thread column (13), and the right side of the first trailer pole body (1) is threadedly connected with a second trailer pole body (2); characterized in that Further comprising: the left side of the first trailer pole body (1) is movably connected with a pin shaft (4), the surface of the pin shaft (4) is movably connected with a traction rod (5), the right side of the traction rod (5) is fixedly connected with a reinforcing cross beam (6), and the right side of the reinforcing cross beam (6) is fixedly connected with a reinforcing unhooking (7); the left side of the traction support (11) is provided with a first rotating groove (16), and the right side of the traction support (11) is telescopically connected with a traction disc (12); the inside of the second trailer pole body (2) is provided with an internal thread hole (14), the right side of the second trailer pole body (2) is fixedly connected with a connecting block (10), the inside of the connecting block (10) is provided with a second rotating groove (17), and the inside of the connecting block (10) is connected with a detachable nut (9).

2. A collapsible portable trailer tongue device as claimed in claim 1 wherein: The detachable nut (9) penetrates the first rotating groove (16) and the second rotating groove (17), and the connecting block (10) is rotatably connected with the traction support (11) through the detachable nut (9).

3. The collapsible portable trailer tongue device of claim 1, wherein: The inside of the spring buckle (3) is provided with a No. 1 spring groove (23), the inside of the No. 1 spring groove (23) is rotatably connected with a spring buckle (8), and the first spring (15) is fixedly connected between the inner wall of the No. 1 spring groove (23) and the shaft part of the spring buckle (8).

4. A collapsible portable trailer tongue arrangement according to claim 3 wherein: The spring buckle (8) is symmetrically provided with two spring buckles (8) about the spring buckle (3), and the spring buckle (8) is attached to the upper surface of the folded traction rod (5) to realize limiting.

5. A collapsible portable trailer tongue arrangement according to claim 4 wherein: The inside of the traction support (11) is provided with a No. 2 spring groove (19), and the left side of the No. 2 spring groove (19) is fixedly connected with a buffer spring (20).

6. A collapsible portable trailer tongue arrangement according to claim 5 wherein: The other end of the buffer spring (20) is fixedly connected with a moving block (18), and the buffer spring (20) is symmetrically provided with two buffer springs (20) about the center of the moving block (18), and the end part of the moving block (18) slides in the inside of the No. 2 spring groove (19).

7. A collapsible portable trailer tongue arrangement according to claim 6 wherein: The inside of the moving block (18) is fixedly connected with a sliding column (22), the left side of the sliding column (22) is fixedly connected with a locking nut (21), the right end of the sliding column (22) penetrates the right end of the traction support (11) and forms a telescopic structure with the traction support (11), and the right end of the sliding column (22) is fixedly connected with the traction disc (12).

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