Electric towing hook assembly and vehicle

Abstract

The utility model discloses an electric tow hook assembly and a vehicle, the electric tow hook assembly comprises a mounting assembly, a wire harness assembly, a driving device and a tow hook assembly, the driving device is connected with the tow hook assembly, and the driving device can drive the tow hook assembly to rotate on the mounting assembly. The tow hook assembly can be switched between a hidden position and an unfolding position; the wire harness assembly comprises a first wire harness, the first wire harness comprises a fixed section and a follow-up section connected with the fixed section, the fixed section is connected with the mounting assembly through a first restraining structure, and the follow-up section is connected with the towing hook assembly through a second restraining structure. The vehicle comprises the electric towing hook assembly. Attractive property of the rear end of the whole vehicle can be guaranteed without dismounting, the rear end of the vehicle can be used for dragging a trailer, a small motor home or other equipment, the wire harness can be effectively restrained, and abrasion or interference between the wire harness and other parts of the vehicle body can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a car rear tow structure, concretely relates to an electric tow hook assembly and vehicle. BACKGROUND

[0002] With the promotion of car camping and off-road demand, in order to improve the car storage capacity (add bicycle frame, small motor home, trailer, etc.), the phenomenon of non-off-road car adding rear tow structure gradually arises. In order to ensure convenient use, the rear tow structure on the market at present is mostly fixed, exposed interface or ball head, and this structure has the following shortcomings: one, destroying the appearance of the rear end of the whole vehicle; two, when disassembling the rear tow structure, the rear bumper needs to be disassembled, and the steps are complicated. In order to overcome the above-mentioned shortcomings, the existing technology has a vehicle using an electric tow hook assembly, which can hide the tow hook or automatically unfold the tow hook, but in the movement process of the tow hook, the wire harness is not effectively constrained, which may cause wear or interference with the rest of the vehicle parts. SUMMARY

[0003] Therefore, the utility model aims at providing an electric tow hook assembly and vehicle, which can guarantee the appearance of the rear end of the whole vehicle without disassembly, can be used for towing trailers, small motor homes or other equipment, and can effectively constrain the wire harness to prevent wear or interference with the rest of the vehicle parts.

[0004] The electric tow hook assembly in the utility model comprises an installation assembly, a wire harness assembly, a driving device and a tow hook assembly, the driving device is connected with the tow hook assembly, and the driving device can drive the tow hook assembly to rotate on the installation assembly, so as to switch the tow hook assembly between a hidden position and an unfolded position; the wire harness assembly comprises a first wire harness, the first wire harness comprises a fixed segment and a follow-up segment connected with the fixed segment, the fixed segment is connected with the installation assembly through a first constraint structure, and the follow-up segment is connected with the tow hook assembly through a second constraint structure.

[0005] Further, the first constraint structure comprises a plurality of first welded studs arranged on the installation assembly and a plurality of first clamps sleeved on the fixed segment, and the plurality of first clamps are connected with the plurality of first welded studs one by one; the second constraint structure comprises a plurality of second welded studs arranged on the tow hook assembly and a plurality of second clamps sleeved on the follow-up segment, and the plurality of second clamps are connected with the plurality of second welded studs one by one.

[0006] Further, a first sheath is arranged between one of the first clamps closest to the follow-up segment and the fixed segment, and a second sheath is arranged between one of the second clamps closest to the fixed segment and the follow-up segment.

[0007] Further, the towing hook assembly comprises a rotating base connected with the driving device and a towing hook body connected with the rotating base; and a plurality of the second welding studs are arranged on the rotating base.

[0008] Further, the rotating base is in a cylindrical shape, and the plurality of second welding studs are all outwardly protruded from the rotating base along a radial direction, so that the follower section is at least partially arranged outside a circumference of the rotating base.

[0009] Further, the mounting assembly comprises a cross beam and a mounting seat arranged at a middle portion of the cross beam, and left and right ends of the cross beam are respectively provided with a connecting seat for being connected with a vehicle body; and the plurality of first welding studs are all arranged on the mounting seat.

[0010] Further, the driving device and the towing hook assembly are respectively arranged at different sides of the mounting seat, and the plurality of first welding studs are all arranged at the same side of the mounting seat as the towing hook assembly.

[0011] Further, the wire harness assembly further comprises a wire harness main connector and an electrical adapter, the leading end of the fixed section is connected with the wire harness main connector, the trailing end of the fixed section is connected with the leading end of the follower section, the trailing end of the follower section is connected with the electrical adapter, the towing hook assembly is provided with an adapter mounting hole, and the electrical adapter is connected with the adapter mounting hole.

[0012] Further, the wire harness assembly further comprises a second wire harness and a motor connector, the leading and trailing ends of the second wire harness are respectively connected with the wire harness main connector and the motor connector, and the motor connector is connected with the driving device.

[0013] The utility model discloses a vehicle, comprising above-mentioned electric towing hook assembly.

[0014] The utility model discloses the beneficial effect is:

[0015] (1) the utility model discloses through mounting assembly and the longitudinal beam connection of car body, when the towing hook assembly moves to the hiding position, the towing hook assembly is stored in the position adjacent mounting assembly, and the towing hook assembly is hidden in the car body, and the appearance of the whole car rear end can be guaranteed without dismounting, when the towing hook assembly moves to the unfolded position, the towing hook assembly is stretched out to the car body, and can be used for towing trailer, small motor home or other equipment.

[0016] (2) the utility model discloses when the driving device drives the towing hook assembly to rotate, the fixed section of first wire harness does not move, and the follower section keeps synchronous motion with the towing hook assembly, and first wire harness is effectively constrained, and will not be worn or interfered with the rest of the parts of the car body.

[0017] (3) The utility model discloses simple structure, and manufacturing and assembling are simple. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the utility model's purpose, technical scheme and beneficial effect more clear, the utility model provides following drawing to explain:

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the structural schematic diagram of the mounting assembly of the utility model;

[0021] Figure 3 It is the structural schematic diagram of the utility model's wire harness assembly (the wire harness assembly's state when the tow hook assembly moves to the hidden position is dotted line);

[0022] Figure 4 It is the structural schematic diagram of the utility model's drive arrangement and the tow hook assembly connection (the state when the tow hook assembly moves to the hidden position is dotted line).

[0023] The following marks in the drawing:

[0024] 1-mounting assembly, 11-crossbeam, 12-connection seat, 13-mounting seat, 131-first welding stud;

[0025] 2-wire harness assembly, 21-first wire harness, 211-fixed section, 212-follower section, 22-wire harness total connector, 23-electric adapter, 24-second wire harness, 25-motor connector, 26-first clamp, 27-second clamp, 28-first sheath, 29-second sheath;

[0026] 3-drive arrangement;

[0027] 4-tow hook assembly, 41-rotary base, 411-second welding stud, 42-tow hook body, 421-adapter mounting hole. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be explained in detail below in connection with the drawing and embodiment.

[0029] As Figures 1-4As shown, the electric towing hook assembly in the embodiment includes a mounting assembly 1, a wire harness assembly 2, a driving device 3 and a towing hook assembly 4, the driving device 3 is connected with the towing hook assembly 4, and the driving device 3 can drive the towing hook assembly 4 to rotate on the mounting assembly 1, so as to switch the towing hook assembly 4 between the hidden position and the unfolded position; the wire harness assembly 2 includes a first wire harness 21, the first wire harness 21 includes a fixed section 211 and a following section 212 connected with the fixed section 211, the fixed section 211 is connected with the mounting assembly 1 through a first constraint structure, and the following section 212 is connected with the towing hook assembly 4 through a second constraint structure.

[0030] After the mounting assembly 1 is connected with the longitudinal beam of the vehicle body, when the towing hook assembly 4 moves to the hidden position, the towing hook assembly 4 is stored in the position adjacent to the mounting assembly 1, and the towing hook assembly 4 is hidden in the vehicle body, so that the appearance of the rear end of the whole vehicle can be ensured without disassembly; when the towing hook assembly 4 moves to the unfolded position, the towing hook assembly 4 extends rearward from the vehicle body, and can be used for towing a trailer, a small house car or other equipment.

[0031] The driving device 3 can be a rotary motor, since the fixed section 211 is connected with the mounting assembly 1 through the first constraint structure, and the following section 212 is connected with the towing hook assembly 4 through the second constraint structure, when the driving device 3 drives the towing hook assembly 4 to rotate, the fixed section 211 of the first wire harness 21 does not move, and the following section 212 keeps synchronous movement with the towing hook assembly 4, so that the first wire harness 21 is effectively constrained, and will not be abraded or interfered with other parts of the vehicle body.

[0032] In the embodiment, the wire harness assembly 2 further includes a wire harness total connector 22 and an electrical adapter 23, the leading end of the fixed section 211 is connected with the wire harness total connector 22, the trailing end of the fixed section 211 is connected with the leading end of the following section 212, the trailing end of the fixed section 211 is connected with the leading end of the following section 212, the trailing end of the following section is connected with the electrical adapter 23, and the towing hook assembly 4 is provided with an adapter mounting hole 421, and the electrical adapter 23 is connected with the adapter mounting hole 421.

[0033] The wire harness total connector 22 is used for connection with the electrical system of the vehicle, and when the vehicle is in the towing mode to tow a trailer, the electrical adapter 23 can be used for connection with the trailer or the small house car, so as to provide power supply and switching control signals for various turn signals, reversing lights and the like of the trailer or the small house car.

[0034] The adapter mounting hole 421 is mounted on the towing hook body 42, and the connection of the electrical adapter 23 with the adapter mounting hole 421 can also constrain the trailing end of the following section 212, so as to further improve the constraint effect on the first wire harness 21.

[0035] In the embodiment, the first constraint structure includes a plurality of first welding studs 131 arranged on the mounting assembly 1 and a plurality of first clamps 26 sleeved on the fixed section 211, and the plurality of first clamps 26 are connected with the plurality of first welding studs 131 one by one; the second constraint structure includes a plurality of second welding studs 411 arranged on the tow hook assembly 4 and a plurality of second clamps 27 sleeved on the follow-up section 212, and the plurality of second clamps 27 are connected with the plurality of second welding studs 411 one by one.

[0036] The number of the first welding studs 131, the first clamps 26, the second welding studs 411 and the second clamps 27 can be two or more than two.

[0037] The mounting assembly 1 and the tow hook assembly 4 are metal parts, the first welding studs 131 are connected with the mounting seat 13 of the mounting assembly 1 by welding, and the second welding studs 411 are connected with the rotating base 41 of the tow hook assembly 4 by welding, so that the manufacturing difficulty is low and the cost is low. The connection mode of the first clamps 26 and the first welding studs 131 is that the first clamps 26 are provided with stud through holes, and after being sleeved on the first welding studs 131 through the stud through holes, nuts are tightened, so as to realize the detachable connection of the first clamps 26 and the first welding studs 131. The connection mode of the second clamps 27 and the second welding studs 411 is the same as that of the first clamps 26 and the first welding studs 131, which will not be described here. The connection of the clamps and the welding studs makes the assembly simple.

[0038] In the embodiment, a first sheath 28 is arranged between the first clamp 26 closest to the follow-up section 212 and the fixed section 211, and a second sheath 29 is arranged between the second clamp 27 closest to the fixed section 211 and the follow-up section 212.

[0039] Since the fixed section 211 and the follow-up section 212 are part of the first wire harness 21, when the follow-up section 212 of the first wire harness 21 moves synchronously with the tow hook assembly 4, the part of the wire harness between the first clamp 26 closest to the follow-up section 212 and the fixed section 211 and between the second clamp 27 closest to the fixed section 211 and the follow-up section 212 is bent and deformed more obviously, and the wire harness is bent and is easy to wear at the position matched with the clamp. By arranging the first sheath 28 between the first clamp 26 and the fixed section 211 and arranging the second sheath 29 between the second clamp 27 and the follow-up section 212, the wear of the wire harness can be prevented, and at the same time, no sheath structure needs to be arranged at other positions to reduce the cost.

[0040] In the embodiment, the towing hook assembly 4 comprises a rotating base 41 connected with the driving device 3 and a towing hook body 42 connected with the rotating base 41; a plurality of the second welding studs 411 are arranged on the rotating base 41.

[0041] In the embodiment, the rotating base 41 is in a cylindrical shape, and the plurality of second welding studs 411 are all outwardly protruded from the rotating base 41 along the radial direction, so that the follow-up section 212 is at least partially wrapped outside the circumference of the rotating base 41. In the embodiment, the mounting assembly 1 comprises a crossbeam 11 and a mounting seat 13 arranged at the middle part of the crossbeam 11, and the left and right ends of the crossbeam 11 are respectively provided with a connecting seat 12 for connecting with the vehicle body; a plurality of the first welding studs 131 are arranged on the mounting seat 13.

[0042] The rotating base 41 is protruded from the mounting seat 13, and the second welding studs 411 make part of the follow-up section 212 wrapped outside the circumference of the rotating base 41, so that the space between the rotating base 41, the mounting seat 13 and the crossbeam 11 can be fully utilized, and the circumference of the rotating base 41 is a cylindrical surface, which can prevent the first wire harness 21 from being abraded or torn.

[0043] When the towing hook assembly 4 moves to the hidden position, the follow-up section 212 between the second welding studs 411 is wrapped outside the circumference of the rotating base 41, and the part of the follow-up section 212 close to the fixed section 211 is U-shapedly accommodated between the first welding studs 131 and the rotating base 41; when the towing hook assembly 4 moves to the unfolded position, the part of the follow-up section 212 close to the fixed section 211 and the follow-up section 212 between the second welding studs 411 are substantially moved to be wrapped outside the circumference of the rotating base 41. Therefore, the rotating base 41 has a function similar to that of a wire harness winding drum.

[0044] In the embodiment, the driving device 3 and the towing hook assembly 4 are respectively located at different sides of the mounting seat 13, and the plurality of first welding studs 131 are all located at the same side of the mounting seat 13 as the towing hook assembly 4.

[0045] In the embodiment, the wire harness assembly 2 further comprises a second wire harness 24 and a motor connector 25, the first and last ends of the second wire harness 24 are respectively connected with the wire harness connector 22 and the motor connector 25, and the motor connector 25 is connected with the driving device 3. The driving device 3 is a rotary motor, and the second wire harness 24 and the motor connector 25 can realize the connection between the rotary motor and the vehicle electrical system.

[0046] In the embodiment, a vehicle comprises the above electric towing hook assembly.

[0047] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. An electrically powered tow hook assembly characterized by: The application relates to a towing hook assembly, which comprises a mounting assembly (1), a wire harness assembly (2), a driving device (3) and a towing hook assembly (4), wherein the driving device (3) is connected with the towing hook assembly (4), and the driving device (3) can drive the towing hook assembly (4) to rotate on the mounting assembly (1) so as to switch the towing hook assembly (4) between a hidden position and an unfolded position; the wire harness assembly (2) comprises a first wire harness (21), the first wire harness (21) comprises a fixed section (211) and a following section (212) connected with the fixed section (211), the fixed section (211) is connected with the mounting assembly (1) through a first constraint structure, and the following section (212) is connected with the towing hook assembly (4) through a second constraint structure.

2. The motorized tow hitch assembly of claim 1, wherein: The first constraint structure comprises a plurality of first welding studs (131) arranged on the mounting assembly (1) and a plurality of first clamps (26) sleeved on the fixed section (211), and the plurality of first clamps (26) are connected with the plurality of first welding studs (131) one by one; the second constraint structure comprises a plurality of second welding studs (411) arranged on the towing hook assembly (4) and a plurality of second clamps (27) sleeved on the following section (212), and the plurality of second clamps (27) are connected with the plurality of second welding studs (411) one by one.

3. The motorized tow hitch assembly of claim 2, wherein: A first sheath (28) is arranged between one of the first clamps (26) closest to the following section (212) and the fixed section (211), and a second sheath (29) is arranged between one of the second clamps (27) closest to the fixed section (211) and the following section (212).

4. The motorized tow hitch assembly of claim 2, wherein: The towing hook assembly (4) comprises a rotating base (41) connected with the driving device (3) and a towing hook body (42) connected with the rotating base (41); and the plurality of second welding studs (411) are arranged on the rotating base (41) in a spaced mode.

5. The motorized tow hitch assembly of claim 4, wherein: The rotating base (41) is in a cylindrical shape, and the plurality of second welding studs (411) are all outwardly protruded from the rotating base (41) in a radial direction, so that the following section (212) is at least partially surrounded outside the circumference of the rotating base (41).

6. The motorized tow hitch assembly of claim 2, wherein: The mounting assembly (1) comprises a cross beam (11) and a mounting seat (13) arranged at the middle portion of the cross beam (11), and the left and right ends of the cross beam (11) are respectively provided with one connecting seat (12) for being connected with a vehicle body; and the plurality of first welding studs (131) are all arranged on the mounting seat (13).

7. The motorized tow hitch assembly of claim 6, wherein: The driving device (3) and the towing hook assembly (4) are respectively arranged on different sides of the mounting seat (13), and the plurality of first welding studs (131) are all arranged on the same side of the mounting seat (13) as the towing hook assembly (4).

8. The motorized tow hitch assembly of claim 1, wherein: The wiring harness assembly (2) further comprises a wiring harness main connector (22) and an electrical adapter (23), the leading end of the fixed section (211) is connected with the wiring harness main connector (22), the trailing end of the fixed section (211) is connected with the leading end of the follow-up section (212), the trailing end of the follow-up section is connected with the electrical adapter (23), the adapter mounting hole (421) is arranged on the tow hook assembly (4), and the electrical adapter (23) is connected with the adapter mounting hole (421).

9. The motorized tow hitch assembly of claim 8, wherein: The wiring harness assembly (2) further comprises a second wiring harness (24) and a motor connector (25), the leading end and the trailing end of the second wiring harness (24) are respectively connected with the wiring harness main connector (22) and the motor connector (25), and the motor connector (25) is connected with the driving device (3).

10. A vehicle characterized by: An electric tow hook assembly comprising the electric tow hook assembly according to any one of claims 1-9.

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