Trailer touring car traction device

Abstract

The utility model discloses a trailer motor home traction device which comprises a traction frame and a vehicle body, hinge clamping plates are installed at the left side end of the bottom of the vehicle body, one end of the traction frame is connected with a traction hook, the other end of the traction frame is rotationally hinged between the inner sides of the hinge clamping plates, and an installation groove is formed in the middle of the left end of the vehicle body. A hollow connecting clamping piece is arranged in the mounting groove, a connecting sleeve block is rotationally hinged to the middle of the inner side of the hollow connecting clamping piece, a first electric telescopic rod piece is connected to the position, located on the left side of the vehicle body, of one end of the connecting sleeve block, and a second electric telescopic rod piece is in transmission connection with the output end of the first electric telescopic rod piece; the utility model has the beneficial effects that through the multi-section type electric telescopic turnover structure and the elastic vibration reduction structure, the abrasion at the connecting and supporting part is reduced, the durability is improved, and the use stability and safety are improved, and through the electric telescopic automatic clamping and fixing structure, the fixing convenience is improved, and the overall use effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of RV towing, in particular to a traction device for a trailer RV. Background Art

[0002] An RV is a type of mobile vehicle that has the basic facilities necessary for a home. It is mainly divided into self-propelled RVs and trailer RVs. Unlike self-propelled RVs, trailer RVs have no power of their own and require an additional vehicle to tow them. Therefore, a special traction device is needed to connect them to the driving equipment for movement.

[0003] After searching, the Chinese patent application number CN202322443225.1 discloses a towing device for a trailer RV, including a towing frame, one end of the towing frame is rotatably connected to a hinged structure fixedly connected to the front end of the trailer RV, the towing frame is connected to a driving device installed at the front end of the trailer RV, and the driving device can drive the towing frame to rotate upward and lock the towing frame. This application does not require the staff to lift the towing frame manually to connect it to the tractor, which saves time and effort.

[0004] The towing device for a trailer RV in the above patent has the following shortcomings: first, the driving mechanism arranged in the above device moves the towing frame through rope-type lifting. When the RV moves and vibrates, the pull rope is easily worn or damaged, and the durability is low. The device has certain stability and safety issues in use. Secondly, the fixing method of the above towing frame after contraction still requires special fixing parts to be manually fixed, which is inconvenient to use and has a low effect.

[0005] To this end, we propose a towing device for a trailer RV to solve the above problems. Utility Model Content

[0006] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0007] To this end, the technical solution adopted in this utility model is:

[0008] A towing device for a trailer caravan comprises a towing frame and a vehicle body, wherein an articulated card plate is installed at the left end of the bottom of the vehicle body, one end of the towing frame is connected to a towing hook, and the other end is rotatably hinged between the inner sides of the articulated card plate, a mounting groove is opened in the middle of the left end of the vehicle body, a hollow connecting card is provided inside the mounting groove, a connecting sleeve block is rotatably hinged at the middle part of the inner side of the hollow connecting card, one end of the connecting sleeve block is located on the left side of the vehicle body and is connected to a first electric telescopic rod, the output end of the first electric telescopic rod is transmission-connected to a second electric telescopic rod, and the output end of the second electric telescopic rod is transmission-connected to a telescopic column rod, a supporting hinged column plate is installed through the middle part of the towing frame, an extending end of the telescopic column rod is connected to a supporting connecting rod rod near one end of the supporting hinged column plate, a moving rod is provided in the internal partition card of the supporting connecting rod rod, and an extrusion spring is sleeved on the outer side of the moving rod.

[0009] In a preferred example, the present invention can be further configured as follows:

[0010] By adopting the above technical solution, a telescopic groove is opened inside one side of the supporting connecting rod, one end of the moving rod is fixedly connected to one side of the supporting connecting rod, and the other end is slidably connected to the inside of the telescopic groove.

[0011] In a preferred example, the present invention can be further configured as follows:

[0012] By adopting the above technical solution, the extended end of the supporting connecting rod is rotatably hinged to the inner side of the top of the supporting hinged column plate.

[0013] In a preferred example, the present invention can be further configured as follows:

[0014] By adopting the above technical solution, a limiting sliding groove is provided at the abutment point between the inner side of the installation groove and the outer side of the hollow connecting clamp.

[0015] In a preferred example, the present invention can be further configured as follows:

[0016] By adopting the above technical solution, the outer side of the hollow connecting clamp is slidably connected to the inner side of the limiting sliding groove.

[0017] In a preferred example, the present invention can be further configured as follows:

[0018] By adopting the above technical solution, an elastic rubber sleeve is embedded and clamped between the inner holes of the traction hook.

[0019] In a preferred example, the present invention can be further configured as follows:

[0020] By adopting the above technical solution, an embedded support plate is installed on the top of the left end of the vehicle body, and the embedded support plate shell is embedded between the traction hooks and abuts against the inner elastic rubber sleeve.

[0021] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0022] 1. In the utility model, by arranging the extrusion spring in the support hinge column plate, the first electric telescopic rod, the second electric telescopic rod, the telescopic column and the support connecting rod, when in use, the first electric telescopic rod, the second electric telescopic rod and the telescopic column are used and operated, so that the support connecting rod pushes the support hinge column plate to flip and move the traction frame, and through the elastic vibration reduction effect of the extrusion spring, the rigid structure support including the telescopic column and the support connecting rod reduces wear, improves durability, and improves stability and safety in use.

[0023] 2. In the utility model, by providing an elastic rubber sleeve and an embedded support plate, when in use, through the above-mentioned beneficial effects, the operation of each component of the telescopic drive structure makes the traction frame fit close to the vehicle body, and the elastic rubber sleeve in the embedded support plate and the traction hook is elastically squeezed and clamped to complete the fixation, which not only improves the convenience of use, but also improves the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view structural schematic diagram of an embodiment of the utility model;

[0025] Figure 2 This is a front view schematic diagram showing the structure of an embodiment of the utility model;

[0026] Figure 3 This is a schematic diagram showing a cross-sectional structure of an embodiment of the utility model;

[0027] Figure 4 The present invention is a schematic structural diagram of a supporting connecting rod according to an embodiment of the present invention.

[0028] Reference numerals:

[0029] 1. Traction frame; 2. Traction hook; 3. Vehicle body; 4. Articulated card plate; 5. Supporting articulated column plate; 6. Embedded support plate; 7. First electric telescopic rod; 8. Second electric telescopic rod; 9. Telescopic column; 10. Supporting connecting rod; 11. Elastic rubber sleeve; 12. Connecting sleeve block; 13. Limiting slide groove; 14. Hollow connecting card; 15. Mounting groove; 16. Extrusion spring; 17. Moving rod; 18. Telescopic groove. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0031] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0032] A towing device for a trailer caravan provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0033] Embodiment 1:

[0034] Combination Figure 1-Figure 4 As shown, the utility model provides a towing device for a trailer caravan.

[0035] Specifically, it includes a traction frame 1 and a vehicle body 3. A hinged card plate 4 is installed at the left end of the bottom of the vehicle body 3. One end of the traction frame 1 is connected to a traction hook 2, and the other end is rotatably hinged between the inner sides of the hinged card plate 4. A mounting groove 15 is opened in the middle of the left end of the vehicle body 3. The shrinkage and hiding effect of the mounting groove 15 reduces the exposure of the structure and improves the overall appearance. A hollow connecting card 14 is arranged inside the mounting groove 15. A connecting sleeve 12 is rotatably hinged at the middle of the inner side of the hollow connecting card 14. The connecting sleeve 12 mainly connects the first electric telescopic rod 7 and connects with the hollow connecting card After the member 14 is rotated and hinged, it is convenient for the subsequent rotation and movement of the first electric telescopic rod 7. One end of the connecting sleeve 12 is located on the left side of the vehicle body 3 and is connected to the first electric telescopic rod 7. The output end of the first electric telescopic rod 7 is transmission-connected to the second electric telescopic rod 8. The output end of the second electric telescopic rod 8 is transmission-connected to the telescopic column 9. A support hinge column plate 5 is installed through the middle of the traction frame 1. The extending end of the telescopic column 9 is close to the end of the support hinge column plate 5. The end is connected to the support connecting rod 10. The support connecting rod 10 and the telescopic column 9 can be retracted to the second electric Inside the movable telescopic rod 8, a movable rod 17 is provided in the internal partition of the supporting connecting rod 10, and an extrusion spring 16 is sleeved on the outer side of the movable rod 17. A telescopic groove 18 is provided inside one side of the supporting connecting rod 10. One end of the movable rod 17 is fixedly connected to one side of the supporting connecting rod 10, and the other end is slidably connected to the inner side of the telescopic groove 18. The extended end of the supporting connecting rod 10 is rotatably hinged to the inner side of the top of the supporting hinge column plate 5. A limited sliding groove 13 is provided at the abutment between the inner side of the mounting groove 15 and the outer side of the hollow connecting card 14, and the limited sliding groove 13 plays a role in the hollow The connecting card 14 has a moving stability and a limiting stability effect. The outer side of the hollow connecting card 14 is slidably connected to the inner side of the limiting slide groove 13. The use of the above-mentioned components, especially the operation and movement of the first electric telescopic rod 7, the second electric telescopic rod 8 and the telescopic column 9, enables the supporting connecting rod 10 to push the traction frame 1 connected to the supporting hinged column plate 5 to flip and move, and through the elastic vibration reduction effect of the extrusion spring 16, including the rigid structural support of the telescopic column 9 and the supporting connecting rod 10, reduces wear, improves durability, and improves stability and safety in use.

[0036] Embodiment 2:

[0037] Combination Figure 1 , Figure 2 and Figure 3 As shown, based on the first embodiment,

[0038] Specifically, an elastic rubber sleeve 11 is embedded and clamped between the inner holes of the traction hook 2. The elastic rubber sleeve 11 not only increases the elastic fastening effect with the embedded support plate 6, but also plays a mobile wear-resistant protection role. An embedded support plate 6 is installed on the top of the left end of the vehicle body 3. The embedded support plate 6 shell is embedded between the traction hooks 2 and abuts against the inner elastic rubber sleeve 11. Through the operation of the various components of the above-mentioned telescopic driving structure, the telescopic driving structure makes the traction frame 1 fit close to the vehicle body 3, and the embedded support plate 6 is clamped and fixed to the inner side of the elastic rubber sleeve 11 in the traction hook 2, which improves the convenience of use and improves the overall use effect.

[0039] The working principle and use process of the utility model are as follows: first, when in use, when the first electric telescopic rod 7 operates and drives the second electric telescopic rod 8 to move, the operation of the second electric telescopic rod 8 also drives the movement of the telescopic column 9, so that the supporting connecting rod 10 drives the traction frame 1 connected to the supporting hinged column plate 6 to flip and move, and the extrusion spring 16 on the outer side of the moving rod 17 between the supporting connecting rods 10 contracts through the telescopic groove 18, so that the extrusion spring 16 plays an elastic vibration reduction role, and at the same time cooperates with the telescopic column 9 and the supporting hinged column plate 6 to push ... at the same time cooperates with the telescopic column 9 and the supporting hinged column plate 6 to push the traction frame 1 The rigid structure of the supporting connecting rod 10 reduces wear, improves durability, and improves stability and safety in use. Secondly, during use, the components of the telescopic driving structure operate to make the traction frame 1 fit close to the vehicle body 3, and the components are hidden as a whole through the installation groove 15 and the hollow connecting clamp 14 under the movement of the limiting slide groove 13. At the same time, the embedded supporting plate 6 is clamped with the inner side of the elastic rubber sleeve 11 in the traction hook 2, and the elastic effect of the elastic rubber sleeve 11 improves the fixing effect, which not only improves the convenience of use, but also improves the use effect.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A towing device for a trailer caravan, comprising a towing frame (1) and a car body (3), wherein a hinged card plate (4) is installed at the left end of the bottom of the car body (3), one end of the towing frame (1) is connected to a towing hook (2), and the other end is rotatably hinged between the inner sides of the hinged card plate (4), characterized in that: A mounting groove (15) is provided in the middle of the left end of the vehicle body (3), a hollow connecting clamp (14) is provided inside the mounting groove (15), a connecting sleeve (12) is rotatably hinged in the middle of the inner side of the hollow connecting clamp (14), one end of the connecting sleeve (12) is located on the left side of the vehicle body (3) and is connected to a first electric telescopic rod (7), the output end of the first electric telescopic rod (7) is transmission-connected to a second electric telescopic rod (8), the output end of the second electric telescopic rod (8) is transmission-connected to a telescopic column (9), a supporting hinge column plate (5) is installed through the middle of the traction frame (1), an extended end of the telescopic column (9) close to one end of the supporting hinge column plate (5) is connected to a supporting connecting rod (10), a moving rod (17) is provided in the internal partition of the supporting connecting rod (10), and a pressing spring (16) is sleeved on the outer side of the moving rod (17).

2. A trailer caravan traction device according to claim 1, characterized in that: A telescopic groove (18) is provided inside one side of the supporting connecting rod (10); one end of the moving rod (17) is fixedly connected to one side of the supporting connecting rod (10), and the other end is slidably connected to the inside of the telescopic groove (18).

3. A trailer caravan traction device according to claim 1, characterized in that: The extended end of the supporting connecting rod (10) is rotatably hinged to the inner side of the top of the supporting hinge column plate (5).

4. A trailer caravan traction device according to claim 1, characterized in that: A limiting sliding groove (13) is provided at the point where the inner side of the installation groove (15) abuts against the outer side of the hollow connecting clamp (14).

5. A trailer caravan traction device according to claim 4, characterized in that: The outer side of the hollow connecting clamp (14) is slidably connected to the inner side of the limiting sliding groove (13).

6. The traction device for a trailer caravan according to claim 1, characterized in that: An elastic rubber sleeve (11) is embedded and clamped between the inner holes of the traction hook (2).

7. The traction device for a trailer caravan according to claim 1, characterized in that: An embedded support plate (6) is installed on the top of the left end of the vehicle body (3); the embedded support plate (6) is embedded between the traction hooks (2) and abuts against the inner elastic rubber sleeve (11).

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