Tail dragging device of electric sightseeing vehicle

Abstract

The utility model relates to the technical field of electric sightseeing vehicles, in particular to an electric sightseeing vehicle tail towing device which comprises a towing machine shell, an installation towing bracket is arranged in the center of the inner side of the towing machine shell, a follow-up rack is arranged outside the installation towing bracket, and the towing machine shell, the installation towing bracket and the follow-up rack are connected through locking assemblies. Universal rotating assemblies are arranged in the centers of the outer walls of the dragging machine shell and the follow-up rack, the dragging machine shell is connected and provided with a front vehicle assembling frame through the universal rotating assemblies, the follow-up rack is connected and provided with a rear vehicle assembling frame through the universal rotating assemblies, and auxiliary connecting assemblies are arranged in the centers of the two ends of the dragging machine shell and the follow-up rack; the tail dragging device of the electric sightseeing vehicle is simple in overall structure and convenient to install; by arranging multiple connecting and fixing structures and depending on the modes of thread fixing and tensioning rope binding, the stable and firm dragging and traction effect can be achieved, and the dragging and traction stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric sightseeing vehicles, in particular to a tail towing device for an electric sightseeing vehicle. Background Art

[0002] Electric sightseeing vehicles usually use a tail towing device to tow adjacent sightseeing carriages, forming a sightseeing train through the front of the vehicle and multiple carriages. The use of a tail towing device can improve the performance and ride comfort of the vehicle, while ensuring smooth driving under various road conditions.

[0003] The tail towing device in the prior art has a complex overall structure and is cumbersome to operate. Moreover, during towing, the towing method is relatively single, the stability is poor, the length of the towing structure cannot be adjusted, and it is inconvenient to use. Therefore, to address the above problems, a tail towing device for an electric sightseeing vehicle is proposed. Utility Model Content

[0004] The problem solved by the utility model is to provide a towing device for the rear of an electric sightseeing vehicle, which has a simple overall structure and is easy to install. By setting up a multiple connection and fixing structure, it relies on threaded fixation and tensioning rope binding to achieve a stable and firm towing effect, thereby improving the stability of towing.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A towing device for the rear end of an electric sightseeing vehicle comprises a towing housing, a mounting bracket being provided at the center of the inner side of the towing housing, and a follower bracket being provided on the outside of the mounting bracket, the towing housing, the mounting bracket and the follower bracket being connected via a locking assembly, a universal rotation assembly being provided at the center of the outer walls of the towing housing and the follower bracket, the towing housing being connected to and mounted on a front vehicle assembly frame via the universal rotation assembly, and the follower bracket being connected to and mounted on a rear vehicle assembly frame via the universal rotation assembly, and an auxiliary connection assembly being provided at the center of both ends of the towing housing and the follower bracket;

[0007] The lock hole is that a first end of the first and second locking plates is installed, and a second end of the first locking bracket is installed in the lock hole of the second end bracket, and a third end of the first locking bracket is installed in the lock hole of the second end bracket.

[0008] Furthermore, the inner end face of the guide bracket is an arc-shaped structure, and a wear-resistant protective pad is installed on the inner end face, so that when the guide bracket is moved to the outside of the double-headed guide screw, the wear-resistant protective pad fits more firmly with the outer wall of the double-headed guide screw, thereby improving the protection effect and avoiding damage to the double-headed guide screw.

[0009] Furthermore, the universal joint assembly includes a rotating ball end, and the rotating ball end is installed in the center of the outer wall of the towing casing and the follower frame by welding. A spherical groove is opened in the inner center of the rotating ball end, and a connecting ball head is fitted in the inner part of the spherical groove, and one end of the connecting ball head is connected to a buffer pillar through the spherical groove. The two buffer pillars are respectively fixedly connected to the center of the end faces of the front vehicle assembly frame and the rear vehicle assembly frame; the universal joint assembly can have a convenient, multi-directional rotation function, thereby improving the convenience of transmission.

[0010] Furthermore, the auxiliary connecting component includes a positioning groove, the two positioning grooves are respectively provided at the top and bottom of one end face of the towing casing, and a positioning bearing is fixedly installed in the inner center of the positioning groove, a winding shaft is plugged in and installed between the two positioning bearings, and a tensioning rope is wrapped around the outer side of the winding shaft, and one end of the tensioning rope is provided with several pairs of connecting holes, and a second locking screw is plugged in and installed in the center of the end face of one pair of connecting holes, an anti-slip frame is fixedly installed at the top and bottom of one end of the follower frame, an anti-slip rod is plugged in and installed in the center of the end face of the two anti-slip frames, and the tensioning rope is sleeved and installed on the outside of the anti-slip rod, a threaded fastening seat is fixedly installed on the top and bottom of the inner wall of one side of the towing casing, and one end of the second locking screw passes through the connecting hole and is threadedly fixed to the threaded fastening seat; the auxiliary connecting component is convenient for auxiliary connection of the towing casing and the follower frame, thereby improving the connection stability.

[0011] Furthermore, a winding motor is fixedly installed on the bottom side end face of the towing housing outside the positioning groove, and the bottom end of the winding shaft passes through the positioning bearing and is fixedly connected to the top end of the motor shaft of the winding motor; this facilitates winding and storing the tensioning rope and adjusting the length of the tensioning rope.

[0012] Furthermore, the end surfaces of the front vehicle assembly frame and the rear vehicle assembly frame are each provided with two mounting positioning holes, so as to facilitate mounting and fixing with the front vehicle and the rear vehicle via fasteners.

[0013] The beneficial effects of the utility model are as follows: the towing device at the rear of the electric sightseeing vehicle has a simple overall structure and is easy to operate; when in use, the towing casing can be connected to the mounting trailer, and the mounting trailer can be connected to the follower frame through the locking assembly, the installation is convenient and efficient, the connection is firm and stable, and the outer length of the mounting trailer on the towing casing can be adjusted according to the use requirements, thereby adjusting the overall towing length, and the towing casing and the follower frame can be connected for a second time by arranging an auxiliary connecting assembly, which has a good tensioning effect, and by arranging multiple connection and fixing structures, relying on threaded fixation and tensioning rope binding, it has a stable and firm towing and traction effect, thereby improving the stability of towing and traction; at the same time, by arranging multiple universal rotation assemblies, it is easy to adjust the towing angle, which can effectively improve the convenience of towing and traction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the first overall structure of the utility model;

[0015] Figure 2 This is a second overall structural diagram of the present utility model;

[0016] Figure 3 This is an overall top view of the utility model;

[0017] Figure 4 for Figure 3 Schematic cross-sectional view of AA in the figure;

[0018] Figure 5 for Figure 3 Schematic cross-sectional view of the middle BB;

[0019] Figure 6 This is the overall front view of the utility model;

[0020] Figure 7 for Figure 6 Schematic cross-sectional view of CC.

[0021] Legend:

[0022] 1. Towing housing; 2. Front vehicle assembly frame; 3. Universal rotation assembly; 4. Mounting trailer; 5. Locking assembly; 6. Follower frame; 7. Rear vehicle assembly frame; 8. Auxiliary connection assembly; 31. Rotating ball end; 32. Spherical groove; 33. Connecting ball head; 34. Buffer support; 51. Adjusting slide groove; 52. Locking threaded hole; 53. First locking screw; 54. Rotating sleeve; 55. Guide bracket; 56. Double-headed guide screw; 57. Locking nut; 58. Guide swivel; 59. Follower ear plate; 81. Positioning groove; 82. Positioning bearing; 83. Winding motor; 84. Winding shaft; 85. Tensioning rope; 86. Connecting hole; 87. Anti-slip frame; 88. Anti-slip rod; 89. Threaded fastening seat; 810. Second locking screw. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying 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.

[0024] Specific examples are given below.

[0025] See also Figures 1 to 7 , an electric sightseeing car rear towing device, including a towing casing 1, a mounting bracket 4 is provided at the inner center of the towing casing 1, and a follower frame 6 is provided on the outside of the mounting bracket 4, the towing casing 1, the mounting bracket 4 and the follower frame 6 are connected by a locking assembly 5, and the towing casing 1 and the mounting bracket 4, and the mounting bracket 4 and the follower frame 6 can be connected by the locking assembly 5, and can have a good towing transmission effect, thereby improving the convenience of towing and traction; the outer wall of the towing casing 1 and the follower frame 6 is provided with a mounting bracket 4, and the towing casing 1 and the follower frame 6 are connected. A universal rotation assembly 3 is provided in the center. The towing housing 1 is connected to the front vehicle assembly frame 2 through the universal rotation assembly 3, and the follower frame 6 is connected to the rear vehicle assembly frame 7 through the universal rotation assembly 3, so that the towing housing 1 and the front vehicle assembly frame 2, and the follower frame 6 and the rear vehicle assembly frame 7 can be towed and pulled through the universal rotation assembly 3; auxiliary connection assemblies 8 are provided in the center of both ends of the towing housing 1 and the follower frame 6 to facilitate secondary connection between the towing housing 1 and the follower frame 6, thereby effectively improving the stability of towing and pulling;

[0026] The locking assembly 5 includes an adjusting slot 51, two of the adjusting slots 51 are opened in the center of the top and bottom end surfaces of the dragging housing 1, and two guide brackets 55 are provided inside the adjusting slot 51. A rotating shaft sleeve 54 is fixedly installed in the center of the outer wall of the guide bracket 55. Two locking threaded holes 52 are opened in the center of the end surface of the dragging housing 1. A first locking screw 53 is inserted and installed in the center of the end surface of the locking threaded hole 52, and one end of the first locking screw 53 passes through the locking threaded hole 52 and is rotatably connected to the center of the end surface of the rotating shaft sleeve 54. A double-headed guide screw 56 is installed in the center of the end face of the mounting bracket 4. The top and bottom of the double-headed guide screw 56 pass through two guide brackets 55 and are connected to and installed with locking nuts 57. The inner end face of the locking nut 57 is fitted with the top end face of the guide bracket 55. A guide swivel 58 is installed on both ends of one side of the mounting bracket 4 by welding. Two follower ear plates 59 are installed on one side of the follower bracket 6 by welding. The two follower ear plates 59 are respectively installed in the center of the end faces of the two guide swivels 58 by rotating pins. The mounting bracket can be adjusted according to needs. To adjust the towing length of the mounting bracket 4, move one end of the mounting bracket 4 to a suitable position between the two adjusting slots 51, and then pass the double-headed guide screw 56 from top to bottom through the two adjusting slots 51 and connect it to the center of one end of the mounting bracket 4. Then, respectively, screw the first locking screws 53 outside the multiple locking threaded holes 52, so that the first locking screws 53 rotate in the internal threads of the locking threaded holes 52. As one end of the first locking screw 53 rotates inside the rotating sleeve 54, it can push the guide bracket 55 to move inside the adjusting slot 51, so that the two at the same height can be adjusted. The guide brackets 55 are respectively fitted with the two sides of the outer wall of the double-headed guide screw 56. By tightening the first locking screw 53, the two guide brackets 55 are clamped and fixed. Then, the locking nuts 57 are used to install and fix them on the top and bottom ends of the double-headed guide screw 56 respectively, and the two follower ear plates 59 are respectively plugged and installed in the center of the end faces of the two guide swivel seats 58 using rotating pins, thereby connecting the towing casing 1 and the mounting bracket 4, and the mounting bracket 4 is connected to the follower bracket 6. The locking assembly 5 can facilitate towing and traction.

[0027] The inner end face of the guide bracket 55 is an arc-shaped structure, and a wear-resistant protective pad is installed on the inner end face, so that when the guide bracket 55 moves to the outside of the double-headed guide screw 56, the wear-resistant protective pad can fit more firmly with the outer wall of the double-headed guide screw 56, thereby improving the protection effect and avoiding damage to the double-headed guide screw 56.

[0028] The universal rotation assembly 3 includes a rotating ball end 31, and the rotating ball end 31 is installed in the center of the outer wall of the towing casing 1 and the follower frame 6 by welding. A spherical groove 32 is opened in the center of the interior of the rotating ball end 31, and a connecting ball head 33 is fitted inside the spherical groove 32, and one end of the connecting ball head 33 is connected to a buffer pillar 34 through the spherical groove 32. The two buffer pillars 34 are fixedly connected to the center of the end faces of the front vehicle assembly frame 2 and the rear vehicle assembly frame 7 respectively; when the front vehicle assembly frame 2 tows the towing casing 1 through the universal rotation assembly 3 and the follower frame 6 tows the rear vehicle assembly frame 7 through the universal rotation assembly 3, the buffer pillar 34 can drive the connecting ball head 33 to rotate inside the spherical groove 32 of the rotating ball end 31, which not only has the function of towing and traction, but also can facilitate the angle adjustment of the connecting ball head 33 and the rotating ball end 31 when shaking occurs, which is more convenient to use and has a multi-directional rotation function, thereby improving transmission convenience.

[0029] The auxiliary connecting component 8 includes a positioning groove 81, two of the positioning grooves 81 are respectively opened at the top and bottom of one side end surface of the towing casing 1, and a positioning bearing 82 is fixedly installed in the center of the inner part of the positioning groove 81, a winding shaft 84 is inserted and installed between the two positioning bearings 82, and a tensioning rope 85 is installed around the outer side of the winding shaft 84, and one end of the tensioning rope 85 is provided with a plurality of pairs of connecting holes 86, and a second locking screw 810 is inserted and installed in the center of the end surface of one pair of connecting holes 86. The top and bottom of one end of the follower frame 6 are fixedly installed with an anti-slip frame 87, and the two The center of the end face of each anti-slip frame 87 is plugged with an anti-slip rod 88, and the tensioning rope 85 is sleeved and installed on the outside of the anti-slip rod 88. The top and bottom of the inner wall of one side of the towing casing 1 are fixedly installed with a threaded fastening seat 89, and one end of the second locking screw 810 passes through the connecting hole 86 and is threadedly fixedly connected to the threaded fastening seat 89; the auxiliary connecting component 8 is used to facilitate the auxiliary connection between the towing casing 1 and the follower frame 6 to improve the connection stability; the bottom side end face of the towing casing 1 is located on the outside of the positioning groove 81 and a winding motor 83 is fixedly installed, and the bottom end of the winding shaft 84 passes through the fixed The positioning bearing 82 is fixedly connected to the top of the motor shaft of the winding motor 83; it is convenient to wind up the tensioning rope 85 and adjust the length of the tensioning rope 85; the towing housing 1 and the mounting bracket 4 can be connected through the locking component 5. After the mounting bracket 4 is connected to the follower frame 6, the winding motor 83 works and drives the winding shaft 84 to rotate between the positioning bearings 82 inside the positioning groove 81 through the motor shaft, thereby releasing the tensioning rope 85 wrapped around the outside of the winding shaft 84, and passing one end of the tensioning rope 85 through the inner side of the anti-slip rod 88 between the anti-slip frames 87 and around the outside of the anti-slip rod 88. According to the requirements of use, the tensioning rope 85 is dragged and the connecting hole 86 at the appropriate position is moved to the outside of the threaded fastening seat 89, so that the second locking screw 810 passes through the connecting hole 86 and is locked and connected to the threaded fastening seat 89, so that the tensioning rope 85 is in a tensioned state. Since the tensioning rope 85 has a certain deformation effect, as the towing casing 1, the locking component 5, the mounting bracket 4 and the follower frame 6 move, they are deformed through the tensioning rope 85, thereby performing secondary connection and fixation on the towing casing 1, the mounting bracket 4 and the follower frame 6, effectively enhancing the traction and firmness effect of the locking component 5.

[0030] The end surfaces of the front vehicle assembly frame 2 and the rear vehicle assembly frame 7 are each provided with two mounting positioning holes, so as to facilitate mounting and fixing with the front vehicle and the rear vehicle via fasteners.

[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rear towing device for an electric sightseeing vehicle, characterized in that: The invention comprises a towing casing (1), a mounting bracket (4) is provided at the center of the inner side of the towing casing (1), and a follower frame (6) is provided outside the mounting bracket (4), the towing casing (1), the mounting bracket (4) and the follower frame (6) are connected by a locking assembly (5), a universal rotation assembly (3) is provided at the center of the outer wall of the towing casing (1) and the follower frame (6), the towing casing (1) is connected to and installed with a front vehicle assembly frame (2) through the universal rotation assembly (3), and the follower frame (6) is connected to and installed with a rear vehicle assembly frame (7) through the universal rotation assembly (3), and an auxiliary connection assembly (8) is provided at the center of both ends of the towing casing (1) and the follower frame (6); The locking assembly (5) includes an adjusting slot (51), two adjusting slots (51) are provided at the center of the top and bottom end surfaces of the drag housing (1), and two guide brackets (55) are provided inside the adjusting slot (51), a rotating shaft sleeve (54) is fixedly installed at the center of the outer wall of the guide bracket (55), two locking threaded holes (52) are provided at the center of both sides of the end surface of the drag housing (1), a first locking screw (53) is plugged and installed at the center of the end surface of the locking threaded hole (52), and one end of the first locking screw (53) passes through the locking threaded hole (52) and rotates at the center of the end surface of the rotating shaft sleeve (54). The mounting bracket (4) is connected, and a double-headed guide screw (56) is installed in the center of the end face of the mounting bracket (4). The top and bottom of the double-headed guide screw (56) respectively pass through the two guide brackets (55) and are connected and installed with a locking nut (57). The inner end face of the locking nut (57) is fitted with the top end face of the guide bracket (55). The two ends of one side of the mounting bracket (4) are both installed with a guide swivel seat (58) by welding. Two follower ear plates (59) are installed on one side of the follower bracket (6) by welding, and the two follower ear plates (59) are respectively installed in the center of the end faces of the two guide swivel seats (58) by rotating pins.

2. The rear towing device of an electric sightseeing vehicle according to claim 1, characterized in that: The inner end surface of the guide bracket (55) is an arc-shaped structure, and a wear-resistant protective pad is fitted on the inner end surface.

3. The rear towing device of an electric sightseeing vehicle according to claim 2, characterized in that: The universal rotation assembly (3) includes a rotating ball end (31). The rotating ball end (31) is mounted at the center of the outer wall of the towing housing (1) and the follower frame (6) by welding. A spherical groove (32) is provided at the center of the interior of the rotating ball end (31). A connecting ball head (33) is fitted and mounted inside the spherical groove (32). One end of the connecting ball head (33) passes through the spherical groove (32) and is connected to a buffer pillar (34). The two buffer pillars (34) are fixedly connected to the center of the end faces of the front vehicle assembly frame (2) and the rear vehicle assembly frame (7), respectively.

4. The rear towing device of an electric sightseeing vehicle according to claim 3, characterized in that: The auxiliary connection assembly (8) includes a positioning groove (81), two positioning grooves (81) are respectively opened at the top and bottom of one side end surface of the towing housing (1), and a positioning bearing (82) is fixedly installed in the center of the positioning groove (81), a winding shaft (84) is inserted and installed between the two positioning bearings (82), and a tensioning rope (85) is wound around the outside of the winding shaft (84), and one end of the tensioning rope (85) is opened with a plurality of pairs of connecting holes (86), and the center of the end surface of one pair of connecting holes (86) is fixed. A second locking screw (810) is installed by plugging, and an anti-slip frame (87) is fixedly installed at the top and bottom of one end of the follower frame (6), and an anti-slip rod (88) is plugged and installed in the center of the end surface of the two anti-slip frames (87), and the tensioning rope (85) is installed on the outside of the anti-slip rod (88), and a threaded fastening seat (89) is fixedly installed at the top and bottom of the inner wall of one side of the towing housing (1), and one end of the second locking screw (810) passes through the connecting hole (86) and is threadedly fixedly connected to the threaded fastening seat (89).

5. The rear towing device of an electric sightseeing vehicle according to claim 4, characterized in that: The bottom end surface of the drag housing (1) is located outside the positioning groove (81) and is fixedly mounted with a winding motor (83), and the bottom end of the winding shaft (84) passes through the positioning bearing (82) and is fixedly connected to the top end of the motor shaft of the winding motor (83).

6. The rear towing device of an electric sightseeing vehicle according to claim 5, characterized in that: The end surfaces of the front vehicle assembly frame (2) and the rear vehicle assembly frame (7) are each provided with two installation positioning holes.

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