A type of RV tow rack

Abstract

A motorhome tow bracket, belonging to the field of automotive parts technology, includes a tow pipe. The tow pipe has a first positioning hole, a first adjustment hole, and a first auxiliary positioning hole on one side from left to right. A snap-fit ​​groove is provided on the top right side of the tow pipe. A shock-absorbing component is inserted into the inner cavity of the tow pipe, with one end of the shock-absorbing component corresponding to the first positioning hole and the other end corresponding to the first adjustment hole. This invention uses a shock-absorbing component inserted between the tow pipe and a rotating pipe fitting. The component is connected to a plug-in sleeve via a plug-in rod, with one end of the plug-in rod inserted into the sliding groove cavity of the plug-in sleeve to form a large disc to prevent the plug-in rod from falling off. Simultaneously, a spring fitted to the surface provides shock absorption and tensile strength. Furthermore, the first adjustment hole at one end of the shock-absorbing component allows for slight adjustment.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts and equipment technology, specifically relating to a motorhome tow frame. Background Technology

[0002] Also known as a trailer hitch, it is a device used to connect to and tow other vehicles or equipment. It typically consists of a metal hook and a connecting ring, and is installed in a suitable location such as the vehicle's bumper. Trailer hitches are ingeniously designed and emphasize practicality, generally consisting of a mounting bracket, a ball-shaped hook, and a trailer power module.

[0003] In daily use, tow hitches typically use a fixed frame connected by ball joints, hooks, and other structures. This rigid connection method results in significant pressure between the tow hitch and the RV when mounted, necessitating further improvements. Utility Model Content

[0004] The present invention aims to solve the technical problems existing in the prior art and provide a motorhome towing frame.

[0005] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a motorhome tow frame, including a hook-up tube, characterized in that: a first positioning hole, a first adjustment hole and a first auxiliary positioning hole are respectively opened on one side of the hook-up tube from left to right; a snap-fit ​​groove is opened on the top right side of the hook-up tube; a shock-absorbing component is inserted into the inner cavity of the hook-up tube; one end of the shock-absorbing component corresponds to the first positioning hole and the other end of the shock-absorbing component corresponds to the first adjustment hole; a rotating tube is inserted into one end of the hook-up tube; a through second positioning hole is opened on the side of one end of the rotating tube; a first hexagonal bolt is provided on one side of the insertion point between the hook-up tube and the rotating tube; a brake disc is installed on the top of the middle section of the rotating tube; a positioning groove and a first through groove are respectively opened on the top of the brake disc. The rotating pipe fitting has a second through groove below the first through groove. The first and second through grooves are interconnected, and the second through groove passes through the rotating pipe fitting. A brake rod is inserted into the first through groove. One end of the brake rod extends into the rotating pipe fitting through the second through groove, and the other end of the brake rod faces upward. A rotating welding sleeve is inserted into the end of the rotating pipe fitting away from the connecting pipe. A second adjustment hole is opened through the side of the rotating welding sleeve located outside the rotating pipe fitting. A connector is inserted into the end of the rotating welding sleeve. A second hexagonal bolt is inserted into one side of the connector. The second hexagonal bolt passes through the connector and the second adjustment hole. A snap-fit ​​part is provided on the top of the connector. A first pin is inserted between the snap-fit ​​part and the connector. A snap-fit ​​connector is provided on the top of the snap-fit ​​part.

[0006] Preferably, the shock-absorbing assembly includes a plug rod, a plug sleeve, a shock-absorbing spring, and a second pin. One end of the plug rod is inserted into the plug sleeve, and a sliding groove cavity is formed inside the plug sleeve. The shock-absorbing spring is sleeved on the surface of the plug rod before it is inserted into the plug sleeve. One end of the plug rod has a third positioning hole corresponding to the first positioning hole. One end of the plug sleeve has a fourth positioning hole corresponding to the first adjustment hole. The second pin passes through the first positioning hole and the third positioning hole to position the shock-absorbing assembly. The first hexagonal bolt passes through the second positioning hole, the first adjustment hole, and the fourth positioning hole.

[0007] Preferably, a first positioning shaft is provided between the brake lever and the brake disc. The first positioning shaft is laterally inserted into the brake disc. The bottom end of the brake lever is inserted into the mounting pipe through the snap-fit ​​groove of the mounting pipe. A second positioning shaft is laterally inserted into the first auxiliary positioning hole. The bottom end of the brake lever and the second positioning shaft are snapped together.

[0008] Preferably, a shaft head bushing is inserted inside the rotary welding head, and a rotary outer bushing is provided between the connector and the rotary welding head.

[0009] The beneficial effects of this utility model are as follows: A shock-absorbing component is inserted between the connecting pipe and the rotating pipe. The component is connected to the connecting sleeve via a connecting rod. One end of the connecting rod is inserted into the groove cavity of the connecting sleeve to form a large disc to prevent the connecting rod from falling off. At the same time, the spring sleeved on the surface provides shock absorption and tensile strength. The first adjustment hole at one end of the shock-absorbing component allows for slight adjustment. A brake disc is installed at the top of the rotating pipe, and a brake rod is rotatably connected to the brake disc via a second positioning shaft. This brake rod is used to install an auxiliary chain. The other end of the chain is bound to the vehicle to provide a secondary anti-detachment effect. A shaft head bushing and a rotating outer bushing are used between the connecting seat and the rotating welding sleeve, and the connection between the two is fixed with a second adjustment hole and a second hexagonal bolt, which facilitates fine-tuning after connection. Attached Figure Description

[0010] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0011] Figure 2 This is a cross-sectional structural schematic diagram of this utility model;

[0012] Figure 3 This is a schematic diagram of a disassembled structure of this utility model;

[0013] Figure 4 This is a three-dimensional structural diagram of a connector of this utility model.

[0014] In the diagram: 1. Hanging pipe; 11. First positioning hole; 12. First adjusting hole; 13. Snap-fit ​​groove; 14. First auxiliary positioning hole; 15. First positioning shaft; 16. Insert rod; 17. Insert sleeve; 18. Third positioning hole; 19. Fourth positioning hole; 110. Shock-absorbing spring; 111. Slide cavity; 112. Second pin; 113. First hexagonal bolt; 2. Rotating pipe fitting; 21. Second positioning hole; 22. Brake disc; 23. Positioning groove; 24. First through groove; 25. Brake rod; 26. Second positioning shaft; 27. Second through groove; 28. Rotating welding sleeve; 281. Second adjusting hole; 29. ​​Shaft head bushing; 3. Connecting piece; 31. First pin; 32. Snap-fit ​​piece; 33. Snap-fit ​​connector; 34. Second hexagonal bolt; 35. Rotating outer bushing. Detailed Implementation

[0015] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0016] Example: A motorhome tow rack, such as Figures 1-4As shown, the device includes a mounting pipe 1. From left to right, a first positioning hole 11, a first adjustment hole 12, and a first auxiliary positioning hole 14 are respectively opened on one side of the mounting pipe 1. A snap-fit ​​groove 13 is opened on the top right side of the mounting pipe 1. A shock-absorbing component is inserted into the inner cavity of the mounting pipe 1. One end of the shock-absorbing component corresponds to the first positioning hole 11, and the other end corresponds to the first adjustment hole 12. A rotating tube 2 is inserted into one end of the mounting pipe 1. A second positioning hole 21 is opened through the side of one end of the rotating tube 2. A first hexagonal bolt 113 is provided on one side of the insertion point between the mounting pipe 1 and the rotating tube 2. A brake disc 22 is installed at the top of the middle section of the rotating tube 2. A positioning groove 23 and a first through groove 24 are respectively opened on the top of the brake disc 22. The positioning groove 23 is opened downwards without penetrating the brake disc 22, and the first through groove 24 is opened downwards through the brake disc 22. A second through groove 27 is opened below the first through groove 24 on the rotating tube 2. The first through groove 24 and... The second through slots 27 are interconnected and pass through the rotating tube 2. A brake rod 25 is inserted into the first through slot 24. One end of the brake rod 25 extends into the rotating tube 2 through the second through slot 27, and the other end of the brake rod 25 faces upward. A rotating welding sleeve 28 is inserted into the end of the rotating tube 2 away from the connecting pipe 1. A second adjustment hole 281 is opened through the side of the rotating welding sleeve 28 located outside the rotating tube 2. A connector 3 is inserted into the end of the rotating welding sleeve 28. A second hexagonal bolt 34 is inserted into one side of the connector 3. The second hexagonal bolt 34 passes through the connector 3 and the second adjustment hole 281. A shaft head bushing 29 is inserted into the inside of the rotating welding sleeve 28. A rotating outer bushing 35 is provided between the connector 3 and the rotating welding sleeve 28. A snap-fit ​​part 32 is provided on the top of the connector 3. A first pin 31 is inserted between the snap-fit ​​part 32 and the connector 3. A snap-fit ​​connector 33 is provided on the top of the snap-fit ​​part 32.

[0017] The shock-absorbing assembly includes a plug rod 16, a plug sleeve 17, a shock-absorbing spring 110, and a second pin 112. One end of the plug rod 16 is inserted into the plug sleeve 17, which has a sliding cavity 111. The end of the plug rod 16 inserted into the sliding cavity 111 is fitted with a circular sliding piece, which works with the sliding cavity 111 to prevent detachment. The shock-absorbing spring 110 is sleeved on the surface of the plug rod 16 that is not inserted into the plug sleeve 17. One end of the plug rod 16 has a third positioning hole 18 corresponding to the first positioning hole. One end of the plug sleeve 17 has a fourth positioning hole 19 corresponding to the first adjustment hole 12. The second pin 112 passes through the first positioning hole 11 and the third positioning hole 18 to position the shock-absorbing assembly. A first hexagonal bolt 113 passes through the second positioning hole 21, the first adjustment hole 12, and the fourth positioning hole 19.

[0018] A first positioning shaft 15 is provided between the brake lever 25 and the brake disc 22. The first positioning shaft 15 is laterally inserted into the brake disc 22. The bottom end of the brake lever 25 is inserted into the hanging pipe 1 through the snap-fit ​​groove 13 of the hanging pipe 1. A second positioning shaft 26 is laterally inserted into the first auxiliary positioning hole 14. The bottom end of the brake lever 25 and the second positioning shaft 26 are snapped together.

[0019] The principle of this utility model is as follows: When the structure needs to be installed, the shock-absorbing component is inserted into the hanging tube 1. Then, the third positioning hole 18 at one end is aligned with the first positioning hole 11. Next, the second pin 112 is inserted for fixation. Then, one end of the hanging tube 1 is inserted into the rotating tube 2. After the first adjustment hole 12 corresponds to the side of the second positioning hole 21, the first hexagonal bolt 113 is inserted, so that it passes through the second positioning hole 21, the first adjustment hole 12, and the fourth positioning hole 19 respectively to complete the fixed installation of the structure. First, the brake lever 25 is installed in the brake disc 22 by inserting the second positioning shaft 26. Then, the top... The brake disc 22 is mounted on the surface of the rotating tube 2 at the top of the second through groove 27 and then fixed with bolts. The bottom end of the brake lever 25 is inserted into the first positioning shaft 15 of the hanging tube 1 at the second through groove 27 and the snap-fit ​​groove 13 for snap-fit. At the same time, the shaft head bushing 29 is inserted into the rotating welding sleeve 28 at the other end of the rotating tube 2, and the rotating outer bushing 35 is inserted into the rear end of the connector 3. The rotating outer bushing 35 is then inserted into the surface of the rotating welding sleeve 28, and the second hexagonal bolt 34 is inserted laterally for fixation. Finally, the snap-fit ​​part 32 is mounted on the top of the connector 3 and fixed by the first pin 31.

[0020] Finally, it should be noted that the above embodiments are merely representative examples of this utility model. Obviously, this utility model is not limited to the above embodiments and many variations are possible. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model should be considered to fall within the protection scope of this utility model.

Claims

1. A motorhome tow frame, comprising a hook-up pipe (1), characterized in that: The hanging pipe (1) has a first positioning hole (11), a first adjustment hole (12), and a first auxiliary positioning hole (14) respectively opened from left to right on one side. A snap-fit ​​groove (13) is opened on the top right side of the hanging pipe (1). A shock-absorbing component is inserted into the inner cavity of the hanging pipe (1). One end of the shock-absorbing component corresponds to the first positioning hole (11), and the other end corresponds to the first adjustment hole (12). A rotating pipe fitting (2) is inserted into one end of the hanging pipe (1). A second positioning hole (21) is provided through on one side of the pipe fitting (2). A first hexagonal bolt (113) is provided on one side of the insertion point between the hanging pipe (1) and the rotating pipe fitting (2). A brake disc (22) is installed on the top of the middle section of the rotating pipe fitting (2). A positioning groove (23) and a first through groove (24) are respectively provided on the top of the brake disc (22). A second through groove (27) is provided below the first through groove (24) of the rotating pipe fitting (2). The first through groove (24) and the second through groove (27) are respectively provided. The through slots (27) are interconnected, and the second through slot (27) penetrates the rotating pipe (2). A brake rod (25) is inserted into the first through slot (24). One end of the brake rod (25) extends into the rotating pipe (2) through the second through slot (27), and the other end of the brake rod (25) faces upward. A rotating welding sleeve (28) is inserted into the end of the rotating pipe (2) away from the connecting pipe (1). The rotating welding sleeve (28) is located on the side of the end outside the rotating pipe (2) and has a through opening. A second adjustment hole (281) is provided. A connector (3) is inserted into the end of the rotary welding head (28). A second hexagonal bolt (34) is inserted into one side of the connector (3). The second hexagonal bolt (34) passes through the connector (3) and the second adjustment hole (281). A snap-fit ​​part (32) is provided on the top of the connector (3). A first pin (31) is inserted between the snap-fit ​​part (32) and the connector (3). A snap-fit ​​connector (33) is provided on the top of the snap-fit ​​part (32).

2. The RV tow frame according to claim 1, characterized in that: The shock-absorbing assembly includes a plug rod (16), a plug sleeve (17), a shock-absorbing spring (110), and a second pin (112). One end of the plug rod (16) is inserted into the plug sleeve (17). A sliding groove cavity (111) is provided in the plug sleeve (17). The shock-absorbing spring (110) is sleeved on the surface of the plug rod (16) before it is inserted into the plug sleeve (17). One end of the plug rod (16) is provided with a third positioning hole (18) corresponding to the first positioning. One end of the plug sleeve (17) is provided with a fourth positioning hole (19) corresponding to the first adjustment hole (12). The second pin (112) passes through the first positioning hole (11) and the third positioning hole (18) respectively to position the shock-absorbing assembly. The first hexagonal bolt (113) passes through the second positioning hole (21), the first adjustment hole (12), and the fourth positioning hole (19) respectively.

3. The RV tow rack according to claim 1, characterized in that: A first positioning shaft (15) is provided between the brake lever (25) and the brake disc (22). The first positioning shaft (15) is laterally inserted into the brake disc (22). The bottom end of the brake lever (25) is inserted into the hook tube (1) through the snap-fit ​​groove (13) of the hook tube (1). A second positioning shaft (26) is laterally inserted into the first auxiliary positioning hole (14). The bottom end of the brake lever (25) is snapped into the second positioning shaft (26).

4. A motorhome tow frame according to claim 1, characterized in that: A shaft head bushing (29) is inserted inside the rotary welding sleeve (28), and a rotary outer bushing (35) is provided between the connector (3) and the rotary welding sleeve (28).

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