CN212921032U

CN212921032U - Multifunctional trailer hook

Info

Publication number: CN212921032U
Application number: CN202021803859.3U
Authority: CN
Inventors: 金金
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-09
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a multifunctional trailer hook, which effectively solves the problems of the existing device that the device is easy to loose and has single function; the novel quick-car type release assembly is detachably connected with the hexagonal connecting handle part; the utility model discloses the structure is succinct, the function is various, convenient to use, can be better for having the car clan provide needs from time to time.

Description

Multifunctional trailer hook

Technical Field

The utility model relates to a vehicle pulls technical field, especially relates to a multi-functional trailer couple.

Background

In the using process of the vehicle, sometimes the vehicle is damaged and cannot run, or the vehicle falls into a soft ground and cannot move, and in this time, the vehicle can not solve the problem by itself, so the towing of other vehicles is needed to be capable of breaking away from the predicament, therefore, the towing hook is basically a necessary basic part of a family of vehicles, and the existing towing hook faces the following problems:

1. the existing trailer hook generally comprises a trailer arm and a trailer ball head which is connected to the trailer arm and fixed through threads, and the threads are easily loosened in the dragging process.

2. When the trailer ball is used, the trailer ball is easy to slide off under the condition of an inclined angle or large traction force, and the trailer ball can not meet the requirement obviously at the moment, and the problem can not be solved by using the trailer ball alone.

3. Sometimes, when traction force is needed in other directions, the existing trailer hook meets the requirements by adopting a mode of increasing the number of trailer balls for installation, and the use cost is increased.

Therefore, the utility model provides a multifunctional trailer hook, which solves the problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the prior art defect, the utility model provides a multifunctional trailer couple, the effectual problem of solving current device and becoming flexible easily, a series of shortcomings such as function list.

The utility model discloses a realize through following technical scheme:

including traction assembly and trailer arm, its characterized in that, the trailer arm includes square union coupling portion, hexagon connection handle, open at hexagon connection handle middle part has circular through-hole, hexagon connection handle and square union coupling portion one end body coupling, the round hole has all been seted up to square union coupling portion other end four sides central line department same position, traction assembly can dismantle with the hexagon connection handle and be connected.

In order to further optimize the utility model discloses, can prefer following technical scheme for use:

preferably, the traction assembly comprises a trailer ball, a limiting through hole is formed in the radial direction of the joint of the trailer ball and the hexagonal connecting handle, the hexagonal connecting handle and the square pipe connecting portion are provided with a blind hole, and the trailer ball is fixedly connected with the hexagonal connecting handle through a pin.

Preferably, a through hole is formed in the non-fixed end of the pin, and a D-shaped closed ring is arranged in the through hole.

Preferably, the pin is a hexagonal pin, and the trailer ball through hole and the blind hole corresponding to the hexagonal connecting handle are hexagonal holes.

Preferably, the thickness of the hexagonal connecting handle is three fifths of that of the square tube connecting part.

Preferably, the traction assembly comprises a novel express buckle unloading assembly, the novel express buckle unloading assembly comprises a ring body with an annular opening and a fixed pin, pin holes for penetrating the fixed pin are formed in two ends of the ring body, an opening mounting groove is axially formed in the other end of the fixed pin, a fixed shaft is arranged on the opening mounting groove, a long-strip-shaped stop block for limiting the position of a transverse pin is movably arranged on the fixed shaft, a long-strip-shaped hole matched with the fixed shaft is formed in the middle of the long-strip-shaped stop block, the opening mounting groove extends from two sides of the long-strip-shaped stop block in the length direction, a first positioning mechanism for positioning the stop block is axially arranged at the bottom of the opening mounting groove along the fixed pin, a positioning clamping groove matched with the first positioning mechanism is formed in the outer side surface of the long-strip-shaped stop block, and, the quick-car type shackle assembly is fixed on the hexagonal connecting handle through a fixing pin.

The beneficial effects of the utility model reside in that:

1. the trailer ball is fixed in a mode of installing the fixing pin in the trailer arm, so that the condition of thread sliding can be avoided.

2. The trailer arm can also be combined with a novel quick-vehicle type shackle component for use, and the combination can meet the requirements when the trailer arm is pulled at a larger inclination angle or needs larger traction force.

3. The fixed direction can be adjusted to the trailer arm stiff end four sides all setting up the fixed orifices, to multi-direction when needing traction force only need simply adjust the trailer arm direction can, do not need diversified fixed trailer ball in addition, effectively reduce use cost and easy operation.

The utility model discloses the structure is succinct, the function is various, convenient to use, can be better for having the car clan provide needs from time to time.

Drawings

FIG. 1 is a first schematic view of the assembly of a trailer arm and a trailer ball of the present invention;

FIG. 2 is a second schematic view of the trailer arm and trailer ball assembly of the present invention;

FIG. 3 is a schematic sectional view of the trailer arm and the trailer ball of the present invention;

fig. 4 is a schematic view of the trailer ball of the present invention;

FIG. 5 is a schematic view of the trailer arm of the present invention;

FIG. 6 is a schematic view of the assembly of the trailer arm and the novel express shackle assembly of the present invention;

fig. 7 is the assembly schematic diagram of the express type shackle assembly of the utility model.

Wherein: 1. a trailer ball; 101. a limiting through hole; 2. a novel quick-car type shackle component; 201. a hanging ring body; 202. a fixing pin; 203. an opening mounting groove; 204. a fixed shaft; 205. a strip-shaped stop block; 206. a strip hole; 207. a first positioning mechanism; 208. a second positioning mechanism; 3. a trailer arm; 4, a pin; 5. and D-type closed rings.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "left", "right", "front", "rear", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-7, the utility model relates to a multifunctional trailer hook, which has two combination modes, one is the combination of a trailer ball 1 and a trailer arm, and the other is the combination of a novel express type shackle component 2 and a trailer arm 3.

The combination of the trailer ball 1 and the trailer arm comprises the trailer ball 1 and the trailer arm 3, wherein the trailer arm 3 comprises a square pipe connecting part 301 and a hexagonal connecting handle 302, the square pipe connecting part is fixedly connected with an automobile through a trailer lock in two of four circular holes 304 at the tail end, the trailer lock used in the embodiment is an automobile anti-theft trailer pin lock, a circular through hole 303 can be formed in the middle of the hexagonal connecting handle 302 needing different directions and used for installing the trailer ball 1, a limiting through hole 101 is formed in the radial direction of the joint of the trailer ball and the hexagonal connecting handle 302, a blind hole 305 is formed corresponding to the hexagonal connecting handle 302 and the square pipe connecting part 301, the trailer ball 1 and the trailer arm are fixedly connected through a pin 4, after the trailer ball 1 is fixed by the pin 4, the tail end limits displacement through the trailer lock, so as to ensure the effective fixation of the trailer ball 1, the pin 4 is a hexagonal pin and the corresponding installing hole, can guarantee that tow ball 1 location is stable, avoid the side direction to rock, open 4 non-stiff ends of pin has the through-hole, and the through-hole internal rotation is connected with D type closed ring 5, and the purpose is through pulling D type closed ring 5 and conveniently dismantling tow ball 1, and hexagon connection handle 302 thickness is three fifths of square union coupling portion 301 thickness, and square union coupling portion 301 is connected with hexagon connection handle 302 junction circular arc transitional coupling simultaneously, avoids stress concentration to guarantee bulk strength.

The novel combination of the express type shackle component 2 and the trailer arm 3, the novel express type shackle component 2 comprises a shackle body 201 with an annular opening and a fixing pin 202, pin holes for the fixing pin 202 to penetrate through are arranged at two ends of the shackle body, an opening mounting groove 203 is axially arranged at the other end of the fixing pin 202, a fixing shaft 204 is arranged on the opening mounting groove 203, a strip-shaped stop block 205 for limiting the position of the fixing pin 202 is movably arranged on the fixing shaft 204, a strip-shaped hole 206 matched with the fixing shaft 204 is arranged at the middle position of the strip-shaped stop block 205, the opening mounting groove 203 extends out from two sides of the length direction of the strip-shaped stop block 205, a first positioning mechanism 207 for positioning the stop block is axially arranged at the bottom of the opening mounting groove 203 along the fixing pin 202, a second positioning mechanism 208 for positioning the fixing pin is radially arranged on the outer side wall of the, it is ensured that traction at larger inclination angles or requiring larger traction forces is also satisfactory in this combination.

The utility model discloses during the specific use: trailer lock and car fixed connection for two terminal round holes of square union coupling portion, two different round holes of traction force angle selection according to the difference select the combination of trailer ball and trailer arm respectively according to the needs of difference, or the combination of subassembly and trailer arm is shirked to novel express train formula.

The beneficial effects of the utility model reside in that:

1. the condition that the screw thread slides can be avoided to the mode through installation fixed pin in the trailer arm fixed trailer ball.

3. The fixed direction can be adjusted to the trailer arm stiff end four sides all setting up the fixed orifices, to multi-direction when needing traction force only need simply adjust the trailer arm direction can, do not need diversified fixed trailer ball in addition, effectively reduce use cost.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a multifunctional trailer couple, includes traction assembly and trailer arm (3), its characterized in that, trailer arm (3) are including square union coupling portion (301), hexagon connecting handle (302), open at hexagon connecting handle (302) middle part has circular through-hole (303), hexagon connecting handle (302) and square union coupling portion (301) one end body coupling, round hole (304) have all been seted up to square union coupling portion (301) other end central line department same position, traction assembly can dismantle with hexagon connecting handle (302) and be connected.

2. The multifunctional trailer hitch of claim 1, wherein the towing assembly comprises a towing ball (1), a limiting through hole (101) is formed in the radial direction of the joint of the towing ball and the hexagonal connecting handle (302), a blind hole (305) is formed corresponding to the connecting portion (301) of the hexagonal connecting handle (302) and the square pipe, and the towing ball (1) and the hexagonal connecting handle (302) are fixedly connected through a pin (4).

3. A multi-purpose trailer hitch as claimed in claim 2, wherein the non-fixed end of the pin (4) is provided with a through hole in which a D-shaped closed loop (5) is provided.

4. A multi-purpose hitch coupler according to claim 2, wherein said pin (4) is a hexagonal pin and said blind holes (305) corresponding to said hexagonal shank are hexagonal holes.

5. A multi-purpose trailer hitch as claimed in claim 1, wherein the hexagonal coupling shank (302) is three fifths the thickness of the square tube coupling portion (301).

6. The multifunctional trailer hook according to claim 1, wherein the traction assembly comprises a novel express type shackle assembly (2), the novel express type shackle assembly (2) comprises a ring body (201) with an annular opening and a fixing pin (202), pin holes for penetrating the fixing pin (202) are formed at two ends of the ring body (201), an opening mounting groove (203) is axially formed at the other end of the fixing pin (202), a fixing shaft (204) is arranged on the opening mounting groove (203), an elongated block (205) for limiting the position of the fixing pin (202) is movably arranged on the fixing shaft (204), an elongated hole (206) matched with the elongated fixing shaft (204) is formed in the middle position of the elongated block (205), the opening mounting grooves (203) extend out of two sides of the block (205) in the length direction, the novel quick-driving type shackle is characterized in that a first positioning mechanism (207) used for positioning is axially arranged at the bottom of the opening mounting groove (203) along the fixing pin (202), a second positioning mechanism (208) used for positioning the fixing pin is radially arranged on the outer side wall of the fixing pin (202) along the fixing pin (202), and the novel quick-driving type shackle component (2) is fixed on the hexagonal connecting handle (302) through the fixing pin (202).