CN218316102U

CN218316102U - Vehicle-mounted universal towing hook

Info

Publication number: CN218316102U
Application number: CN202222351084.6U
Authority: CN
Inventors: 李健
Original assignee: Wuhan Kuaichuang Technology Co ltd
Current assignee: Wuhan Kuaichuang Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-17
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses an on-vehicle universal tow hook, including connection fork one, well cross, round pin axle, activity round pin axle, connection fork two, axle sleeve urceolus and interior hexagonal socket head screw, well cross axial respectively is equipped with the through-hole with radially, a connection fork one end is square cross section, the other end is U type fork one, square cross section is equipped with pinhole one, U type fork one is equipped with pinhole two, two one ends of connection fork are the cylinder axle, the other end is U type fork two, cylinder axle outside cover is equipped with the axle sleeve urceolus, the casing of axle sleeve urceolus is equipped with a plurality of mounting holes, connection fork one with well cross and round pin axle longitudinal connection, activity round pin axle passes pinhole one and the vertical hole of well cross and round pin axle, and one end is equipped with the gag lever post, the other end is equipped with pinhole three, connection fork two with well cross round pin axle through interior hexagonal socket head screw axial connection, the utility model discloses the advantage compared with the prior art lies in that the rotation degree of freedom is high, convenient dismantlement can be realized to the activity round pin, involves and can break away from fast with the rear truck.

Description

Vehicle-mounted universal towing hook

Technical Field

The utility model relates to a locomotive unhook field specifically is an on-vehicle universal tow hook.

Background

The towing hook is a towing device of a trailer of an automobile, is arranged at the tail of the automobile, can be used for towing the trailer, a motorcycle, a motor house and the like, and is generally a device arranged on a frame or an automobile body and connected to the frame through screw connection or welding.

The product single structure on the existing market, when the trailer with by the trailer highly differs, the difference in height of towing pintle makes the pulling force direction of trailer uncontrollable, increases danger, and most only have a direction degree of freedom in addition, and the deformation is dragged easily to the trailer in-process, has the potential safety hazard.

The existing vehicle-mounted universal unhooking device has the following defects:

1. when the vehicle turns or the ground has large fluctuation, the vehicle in front is easy to collide with the trailer;

2. the disassembly is inconvenient, and the conventional connection mode is that a threaded sleeve is directly welded on the anti-collision beam;

3. the towing hook is fixed in angle, when a car turns over, the traction device can be twisted due to the fact that the traction device cannot rotate, and the traction device is easy to break or the towing hook is easy to break;

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a vehicle-mounted universal tow hook.

In order to solve the above problem, the technical scheme of the utility model is that: a vehicle-mounted universal towing hook comprises a first connecting fork, a middle cross, a pin shaft, a movable pin shaft, a second connecting fork, a shaft sleeve outer barrel and an inner hexagonal socket head screw, wherein through holes are respectively formed in the first connecting fork, the first connecting fork is axially and radially provided with a through hole, one end of the first connecting fork is a square section, the other end of the first connecting fork is a U-shaped fork I, the square section is provided with a pin hole I, the first U-shaped fork is provided with a pin hole II, one end of the second connecting fork is a cylindrical shaft, the other end of the second connecting fork is a U-shaped fork II, the shaft sleeve outer barrel is sleeved outside the cylindrical shaft, a shell of the shaft sleeve outer barrel is provided with a plurality of mounting holes, the first connecting fork is longitudinally connected with the middle cross and the pin shaft, the movable pin shaft penetrates through the longitudinal holes of the first connecting fork and the middle cross and the pin shaft, a limiting rod is arranged at one end of the movable pin shaft, the second connecting fork is axially connected with the middle cross and the pin shaft through the inner hexagonal socket head screw, and the pin shaft is arranged inside the middle cross.

Further, the shaft sleeve outer barrel fastener comprises a straight cylindrical bush, a first gasket, a cross countersunk head screw, a thrust washer, an I-shaped hexagonal slotted nut and a split pin, the straight cylindrical bush is arranged at two ends of the inner side of the shaft sleeve outer barrel, the thrust washer is fixed on the straight cylindrical bush through the cross countersunk head screw respectively, the first gasket is arranged at the top of the cross countersunk head screw, the I-shaped hexagonal slotted nut is arranged at the shaft sleeve outer barrel and is far away from one end of the U-shaped fork II, the split pin is arranged in a pin hole at the tail end of the cylindrical shaft of the connecting fork II, and the shaft sleeve outer barrel is fastened with the connecting fork II through the thrust washer, the cross countersunk head screw, the I-shaped hexagonal slotted nut and the split pin.

Furthermore, two sides of the middle cross-shaped longitudinal hole are provided with a first T-shaped bushing, and two sides of the axial hole are respectively provided with a second T-shaped bushing.

Furthermore, the tops of the two T-shaped bushings are respectively provided with a second gasket, and spring washers are respectively arranged at the joints of the tops of the second gaskets and the inner hexagonal socket head screws.

Furthermore, a spring is arranged at one end, close to the limiting rod, of the movable pin shaft, a lock pin is arranged at the other end of the movable pin shaft, a steel wire rope is arranged on the lock pin, and the other end of the steel wire rope is connected to the limiting rod.

Furthermore, the cylindrical shaft at one end of the two connecting forks can rotate in the outer cylinder of the shaft sleeve.

Compared with the prior art, the utility model the advantage lie in:

1. the rotation freedom degree is high, the omnidirectional rotation can be met, and the back vehicle can smoothly swing up and down, left and right or axially rotate;

2. the front and rear vehicle pitches can be kept stable, and stable dragging is realized;

3. convenient dismantlement can be realized to the removable pin, and the front truck can break away from with the back car fast.

Drawings

Fig. 1 is a structural diagram of the vehicle-mounted universal towing hook of the utility model.

Fig. 2 is a structural schematic diagram of the first connecting fork.

FIG. 3 is a schematic view of the second fork.

Fig. 4 is a schematic structural diagram of the position of the pin.

Fig. 5 is a schematic diagram of the position structure of the T-shaped bushing.

Fig. 6 is a schematic view of a straight cylindrical bushing position structure.

Fig. 7 is a schematic diagram of a wire rope position structure.

As shown in the figure: 1. a first connecting fork; 2. a middle cross; 3. a movable pin shaft; 4. a second connecting fork; 5. a shaft sleeve outer cylinder; 6. a first gasket; 7. i-shaped hexagonal slotted nuts; 8. a cross countersunk head screw; 9. a thrust washer; 10. a straight cylindrical bushing; 12. a second gasket; 13. a socket head cap screw; 14. a spring washer; 15. a pin shaft; 16. a spring; 17. a T-shaped bushing II; 18. A lock pin; 19. a cotter pin; 20. a steel cord.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1 to 5, a vehicle-mounted universal towing hook adopts 42CrMo carbon structural steel as a main structure, wherein a first U-shaped fork of a first connection fork 1 is connected with a longitudinally penetrating hole of a middle cross 2 through a movable pin shaft 3, a pin shaft 15 is arranged in the axial hole of the middle cross 2, the pin shaft 15 is axially connected with a second U-shaped fork of a second connection fork 4, one end of a limiting rod on the movable pin shaft 3 is provided with a spring 16, the other end of the limiting rod is provided with a lock pin 18, both ends of the longitudinal through hole and the axial through hole of the middle cross 2 are provided with T-shaped bushing liners, the top of the second T-shaped bushing liner 17 is provided with a second gasket 12 and is fixed with the second connection fork 4 through an inner hexagonal socket head screw 13, the bottom of the inner hexagonal socket head screw 13 is provided with a spring gasket 14, the first U-shaped fork of the first connection fork 1 can flexibly rotate around the longitudinal direction of the movable pin shaft 3 and the middle cross 2, the second U-shaped fork 4 can flexibly rotate around the pin shaft 15 and the axial direction of the middle cross 2, and the second pin hole and the third pin hole have a 90-hole included angle without intersection.

As shown in figures 6 and 7, the vehicle-mounted universal towing hook is characterized in that a cylindrical shaft of a connecting fork II 4 is movably provided with a shaft sleeve outer cylinder 5, two ends in the shaft sleeve outer cylinder 5 are fixed on two thrust washers 9 through cross countersunk head screws 8, the outermost part of the far end of the shaft sleeve outer cylinder 5, which is far away from a U-shaped fork II, is provided with a first gasket 6, a plurality of mounting holes are formed in the outer part of the shaft sleeve outer cylinder 5, one end of a steel wire rope 20 is connected with a limiting rod of a movable pin shaft 3, and the other end of the steel wire rope is connected with a lock pin 18.

In a particular use:

the square cross section of the first connecting fork 1 is installed in a matched mode with the tail of a trailer, the first U-shaped fork at one end of the first connecting fork 1 is longitudinally connected with a middle cross 2-shaped part and an inner pin shaft 15 in a penetrating mode through a movable pin shaft 3, T-shaped sleeve linings I are arranged at two ends of the first connecting fork, a lock pin 18 is arranged at the bottom of the movable pin shaft 3 and used for fixing, a cross 2-shaped axial hole and the inner pin shaft 15 are formed in the connection of a second U-shaped fork at one end of a second connecting fork 4, T-shaped sleeve linings 17 and gaskets 12 are arranged on two sides of the second connecting fork, inner hexagonal cylindrical screws 13 are used for fixing the first connecting fork, a round shaft at the other end of the second connecting fork 4 penetrates through an inner hole of an outer shaft sleeve 5, the outer shaft sleeve is connected with a thrust washer 9 and a cross countersunk head screw 8 through a plurality of installation holes, the outer shaft sleeve 5 is fixedly connected with the trailer, and the movable pin shaft 3 can be simply and quickly disassembled from the trailer.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a vehicle-mounted universal tow hook which characterized in that: the connecting fork comprises a first connecting fork (1), a middle cross (2), a pin shaft (15), a movable pin shaft (3), a second connecting fork (4), a shaft sleeve outer barrel (5) and an inner hexagonal socket head cap screw (13), wherein through holes are respectively formed in the middle cross (2) in the axial direction and the radial direction, one end of the first connecting fork (1) is a square cross section, the other end of the first connecting fork is a U-shaped fork (1), the square cross section is provided with a first pin hole, the first U-shaped fork is provided with a second pin hole, one end of the second connecting fork (4) is a cylindrical shaft, the other end of the second connecting fork is a U-shaped fork, the shaft sleeve outer barrel (5) is sleeved on the outer side of the cylindrical shaft, a shell of the shaft sleeve outer barrel (5) is provided with a plurality of mounting holes, the first connecting fork (1) is longitudinally connected with the middle cross (2) and the pin shaft (15), the movable pin shaft (3) penetrates through longitudinal holes of the first pin hole, the middle cross (2) and the pin shaft (15), one end of the outer barrel (5) is provided with a limiting rod, the other end of the third pin hole, the second connecting fork (4) is axially connected with the middle cross (2) and the inner hexagonal socket head cap screw (13).

2. The vehicle-mounted universal tow hook according to claim 1, characterized in that: the shaft sleeve outer barrel (5) fastener comprises a straight cylindrical bushing (10), a first gasket (6), a cross-shaped countersunk head screw (8), a thrust washer (9), an I-shaped hexagonal slotted nut (7) and a split pin (19), the straight cylindrical bushing (10) is arranged at two ends of the inner side of the shaft sleeve outer barrel (5), the thrust washer (9) is fixed on the straight cylindrical bushing (10) through the cross-shaped countersunk head screw (8), the top of the cross-shaped countersunk head screw (8) is arranged on the first gasket (6), the I-shaped hexagonal slotted nut (7) is arranged at the end, far away from two ends of a U-shaped fork, of the shaft sleeve outer barrel (5), the split pin (19) is arranged in a pin hole formed in the tail end of the two cylindrical shafts of the connecting fork, and the shaft sleeve outer barrel (5) is fastened with the two connecting forks (4) through the thrust washer (9), the cross-shaped countersunk head screw (8), the I-shaped hexagonal slotted nut (7) and the split pin (19).

3. The vehicle-mounted universal tow hook according to claim 1, characterized in that: two sides of a longitudinal hole of the middle cross (2) are provided with a first T-shaped bushing, and two sides of an axial hole are respectively provided with a second T-shaped bushing (17).

4. The vehicle-mounted universal tow hook according to claim 3, characterized in that: and the tops of the two T-shaped bushings (17) are respectively provided with a second gasket (12), and the joints of the tops of the second gaskets (12) and the inner hexagonal cylindrical head screws (13) are respectively provided with spring washers (14).

5. The vehicle-mounted universal tow hook according to claim 1, characterized in that: one end of the movable pin shaft (3) close to the limiting rod is provided with a spring (16), the other end of the movable pin shaft is provided with a lock pin (18), a steel wire rope (20) is arranged on the lock pin (18), and the other end of the steel wire rope (20) is connected to the limiting rod.

6. The vehicle-mounted universal tow hook according to claim 1, characterized in that: and a cylindrical shaft at one end of the second connecting fork (4) can rotate in the shaft sleeve outer cylinder (5).