CN215153726U - Trailer towing hook device integrating winch function - Google Patents

Abstract

The utility model discloses an integrated capstan winch function trailer towing hook device, including installing in the electric capstan winch of car afterbody, the supporting system that is provided with of electric capstan winch is fixed to be restricted, capstan winch goat's horn lifting hook, capstan winch D type is broken out and the trailer towing ring, the fixed tail crossbeam that is provided with in electric capstan winch's outside limit, the fixed electric capstan winch director that is provided with in the inboard middle part of tail crossbeam, the fixed towing hook base that is provided with in tail crossbeam outside middle part, be provided with detachable first direction uide pin and second direction uide pin on the towing hook base, the towing hook base is bilayer structure, all be equipped with first direction uide pin hole site on each layer, second direction uide pin hole site, main towing pin hole site. The utility model utilizes the function of the winch to realize that the trailer automatically hangs the front vehicle, reduces the difficulty of manual operation, solves the problem of arrangement of the rear electric winch and realizes the automatic hanging of the trailer; the function of the electric winch can be exerted to the maximum extent, and traction and self rescue are realized.

Description

Trailer towing hook device integrating winch function

Technical Field

The utility model belongs to the technical field of the car towing hook, more specifically relates to an automatic trailer towing hook device of integrated capstan winch function.

Background

A conventional trailer is coupled to a trailer by a hitch coupling to facilitate travel. The towing hook of the common full trailer is characterized in that a baffle is welded on a towing bar to divide the towing bar into two parts, and two springs are sleeved on the towing bar divided into two parts respectively. When the full trailer starts and brakes, the buffer function can be achieved, but the towing hook of the structure needs to be provided with two springs, so that the cost is increased, the mounting difficulty is increased, the structure size is increased, and the occupied space of the trailer is increased.

In the prior art, an electric winch is generally arranged at the front end of a vehicle, and a trailer towing hook is arranged at the tail part of the vehicle, and the arrangement mode has the following defects: (1) since the engine cooling system is generally disposed at the front of the vehicle, the electric winch is generally disposed to protrude outward, which results in an increase in the length of the vehicle; (2) the electric capstan can only be used for self-rescue and mutual rescue and cannot be used for other functions; (3) due to arrangement requirements, when the electric winch needs to be arranged at the tail part, the arrangement of the electric winch and the traction hook is difficult, and the electric winch is difficult to install; (4) the functions of the winch and the towing hook are mutually independent, and the performance of the winch can be sacrificed to a certain extent; (5) under the influence of a hook, the rope outlet direction of a winch needs to be avoided from arrangement; (6) the trailer can not adapt to all working conditions and can not be automatically hung.

SUMMERY OF THE UTILITY MODEL

To the above defect or improvement demand of prior art, in order to overcome the shortcoming of above prior art, the utility model discloses an integrated automatic formula trailer towing hook of capstan winch function that solves aims at solving the car especially cross country vehicle and arranges the problem of arranging that exists when arranging trailer towing hook and rearmounted electric capstan simultaneously.

In order to achieve the above object, according to an aspect of the present invention, there is provided a trailer towing hook device with integrated winch function, comprising an electric winch installed at the tail of an automobile, wherein the electric winch is provided with a fastening rope, a winch claw hook, a winch D-shaped shackle and a trailer towing ring;

a tail cross beam is fixedly arranged on the outer side edge of the electric winch, an electric winch guider is fixedly arranged in the middle of the inner side of the tail cross beam, and a traction hook base is fixedly arranged in the middle of the outer side;

the traction hook base is provided with a first direction guide pin and a second direction guide pin which are detachable; the base of the traction hook is of a double-layer structure, each layer is provided with a first direction guide pin hole position, a second direction guide pin hole position and a main traction pin hole position, two traction base limiting plates are arranged between the upper layer and the lower layer, and the two traction base limiting plates are respectively arranged on the left side and the right side from inside to outside and are arranged in a splayed shape; the middle part of the upper layer of the base of the towing hook is also provided with a rope tying hole for pulling out a rope tying;

the main traction pin is inserted into the main traction pin hole, the bottom end of the main traction pin is an inclined surface, a slope-shaped positioning groove is formed in the side surface of the main traction pin, and a main traction pin positioning mechanism capable of being elastically clamped into the positioning groove is arranged on the outer side of the positioning groove.

Furthermore, a winch fixing cross beam is arranged on the periphery of the electric winch, and the electric winch is fixedly installed inside the winch fixing cross beam.

Further, the electric winch guider is at least two rollers which are vertically arranged, and a gap between the rollers can be used for a steel rope and a tying rope of the electric winch to pass through.

Furthermore, the tying rope is tied and connected by a chain buckle.

Furthermore, horizontal reinforcing plates are arranged between the upper layer and the lower layer of the towing hook base, and the number of the horizontal reinforcing plates is two, and the two horizontal reinforcing plates are respectively arranged on the lower end face of the upper layer of the towing hook base and the upper end face of the lower layer of the towing hook base.

Furthermore, the lower end of the main traction pin is provided with a main traction pin limiting pin hole position, and the main traction pin limiting pin hole position is matched with the main traction pin limiting pin.

According to another aspect of the utility model, a trailer traction method of the trailer traction hook device integrating the winch function is provided,

the method comprises the following steps: setting a trailer towing hook in a towing state, setting a winch claw lifting hook in a disassembling state, placing the winch claw lifting hook in a vehicle toolbox, pulling out a winch D-shaped shackle tied and fixed on a winch steel rope of an electric winch from a guider to be close to a trailer towing ring, tying the winch D-shaped shackle and the trailer towing ring through a tying and fixing rope, and clamping a main towing pin by a main towing pin positioning mechanism;

when the trailer is close to the base of the towing hook, the rope head of the tying rope penetrates out of the hole at the upper part of the base, the winch is continuously used for tensioning, and meanwhile, the rope head of the tying rope is continuously and synchronously pulled out of the rope tying hole at the upper part of the base by one hand; at the moment, the main traction pin is located at a limit position and is limited by the main traction pin positioning mechanism, when the trailer traction ring is pulled in by the winch and can impact the main traction pin, the lower part of the main traction pin is provided with an inclined surface, the trailer traction ring impacts the inclined surface of the main traction pin to enable the main traction pin to ascend, the winch continues to pull in the trailer traction ring, the main traction pin ascends to a certain degree, the main traction pin positioning mechanism retreats under the action of the inclined surface and the positioning groove, the main traction pin falls into the middle of the trailer traction ring under the action of gravity to realize automatic hanging, after the main traction pin falls into the trailer traction ring, the end part of the fastening rope is pulled out, and the fastening rope automatically disengages from the trailer traction ring; after the main traction pin is in place, inserting a limit pin of the main traction pin; the tying rope is detached from the D-shaped shackle of the winch and is placed in a tool box for storage; the trailer is hung up by single operation.

According to another aspect of the present invention, there is provided a self-rescue method of a trailer towing hook device integrating a winch function, comprising the steps of: when the self-rescue function is used, firstly, the trailer needs to be detached, the first direction guide pin and the second direction guide pin which are arranged on the base are respectively inserted into the hole position of the first direction guide pin and the hole position of the second direction guide pin, and the second direction guide pin and the first direction guide pin are respectively provided with a pressing clamp spring at the positions of inserting into the base, so that the four guide pins are prevented from falling off; pull out capstan winch D type shackle from the director, break out the capstan winch goat's horn lifting hook and be connected with capstan winch D type shackle, capstan winch goat's horn lifting hook another side fixed point can realize the capstan winch function of saving oneself each other and rescuing.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1. the utility model discloses a trailer towing hook device adopts the towing hook base that possesses unique structural design, utilizes the function of capstan winch to realize that the trailer is automatic to hang the front truck, reduces the manpower operation degree of difficulty, has both solved rearmounted electric capstan and has arranged the problem.

2. The utility model discloses a trailer towing hook device, but the cooperation of the firm rope of system of breaking out and quick detach through capstan winch goat's horn lifting hook, capstan winch D type is used, but maximum performance electric capstan's function to the realization is pull and is saved oneself.

Drawings

FIG. 1 is an isometric view of a trailer (home position) according to a preferred embodiment of the present invention;

fig. 2 is a cross-sectional view of the trailer (initial position) in accordance with the preferred embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the main towing pin according to the preferred embodiment of the present invention;

FIG. 4 is a schematic view of a base of a towing hook according to a preferred embodiment of the present invention;

FIG. 5 is a schematic top view of the base of the towing hook according to the preferred embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of section B-B in FIG. 5;

FIG. 7 is a schematic view of the traction state of the preferred embodiment of the present invention;

fig. 8 is a cross-sectional view showing a traction state of the preferred embodiment of the present invention;

FIG. 9 is a schematic diagram of the present invention showing the self-rescue and mutual-rescue using a winch (the D-shaped shackle of the winch is pulled out from the winch guide);

fig. 10 is a schematic diagram of the present invention showing self-rescue using a winch (winch claw hook is connected to winch D-shackle).

The utility model discloses in same reference numeral represent same element name, wherein: 1-electric capstan, 2-capstan guider, 3-towing hook base, 31-first direction guide pin hole position, 32-second direction guide pin hole position, 33-main towing pin hole position, 34-towing base limit plate, 35-horizontal reinforcing plate, 36-fastening rope hole, 4-first direction guide pin, 5-second direction guide pin, 6-main towing pin, 61-locating slot, 62-main towing pin limit pin hole position, 7-main towing pin limit pin, 8-tail beam, 9-capstan fixed beam, 10-fastening rope, 11-main towing pin locating mechanism, 12-capstan claw hook, 13-capstan D type shackle, 14-trailer towing ring, 15-butterfly nut, 16-tail beam, 17-main towing pin inclined plane, 18-pressing clamp spring and 19-winch steel rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Example 1:

referring to fig. 1 to 3, an embodiment of the present invention provides a trailer towing hook device with integrated winch function, including an electric winch 1 installed at the tail of a vehicle, the electric winch 1 is configured with a fastening rope 10 (such as nylon rope or other flexible rope), a winch claw hook 12, a winch D-shaped shackle 13 and a trailer towing ring 14, a tail beam 8 with a groove-shaped steel structure is fixed at the outer side of the electric winch 1, an electric winch guider 2 is fixed at the middle part of the inner side of the tail beam 8, the electric winch guider 2 is two or more vertically arranged rollers, which play a flexible guiding role, a gap between the rollers can be passed by a steel rope of the electric winch and the fastening rope 10, a towing hook base 3 made of metal material is fixed at the middle part of the outer side of the tail beam 8, a detachable first direction guiding pin 4 and a detachable second direction guiding pin 5 are arranged on the towing hook base 3, the towing hook base 3 is of a double-layer plate structure, and each layer is provided with a first direction guide pin hole position 31, a second direction guide pin hole position 32 and a main towing pin hole position 33; the middle part of the upper layer of the towing hook base (3) is also provided with a tying rope hole 36 for pulling out a tying rope; the main traction pin hole site 33 is inserted with a cylindrical main traction pin 6, the lower end of the main traction pin 6 is an inclined plane, the side surface of the main traction pin 6 is provided with a slope-shaped positioning groove 61, the outer side of the positioning groove 61 is provided with a main traction pin positioning mechanism which can be elastically clamped into the positioning groove, and the main traction pin positioning mechanism 11 can adopt various structural forms, such as a bolt which can slide left and right under the action of external force.

Example 2:

the difference from embodiment 1 is that, in order to better protect the electric winch 1 from external damage, the electric winch 1 is provided with a winch fixing cross beam 9 at the periphery, and the electric winch 1 is fixedly installed inside the winch fixing cross beam 9.

Example 3:

referring to fig. 4 to 6, the difference from embodiment 1 is that a towing base limiting plate 34 is further disposed between the upper layer and the lower layer of the towing hook base 3, and two towing base limiting plates 34 are disposed on the left and right sides, respectively, and arranged in a splayed manner from inside to outside, so that when the trailer is pulled into a specific position by the electric cross, even if the trailer is not aligned with the front vehicle, the trailer can be automatically aligned under the guidance of the towing base limiting plate 34.

Still be equipped with the horizontal reinforcing plate 35 that is used for strengthening intensity between the upper and lower floor of towing hook base 3, horizontal reinforcing plate 35 has two, arranges the lower terminal surface on the upper strata of towing hook base 3 and the up end of the lower floor of towing hook base 3 respectively.

And a main traction pin limiting pin hole position 62 is arranged at the lower end of the main traction pin 6 and is matched with the main traction pin limiting pin 7.

In order to prevent the first direction guide pin 4 and the second direction guide pin 5 from slipping and improve reliability, compression snap springs 18 (snap springs are also called retainer rings or retaining rings, belong to one type of fasteners and are arranged in shaft grooves or hole grooves of machines and equipment to play a role in preventing axial movement of parts on the shaft or the hole) are arranged in the first direction guide pin hole position 31 and the second direction guide pin hole position 32.

Referring to fig. 7 to 8, in the trailer towing method of the trailer towing hook device integrated with the winch function, when the trailer is hitched, the trailer may be allowed to be far away from the host vehicle, and the host vehicle does not need to back up to the trailer, so as to prevent the risk of colliding the trailer due to inaccurate backing up; under the general condition, need the people to guide the function that just can realize hanging the trailer at the rear of a vehicle when hanging the trailer, this scheme can realize that single completion hangs the trailer action, and the car stops the back, pulls in the trailer by oneself through the function of capstan winch, hangs the car by oneself, and concrete operation is as follows:

setting a trailer towing hook to be in a towing state, setting a winch claw hook 12 to be in a detached state, placing the trailer towing hook in a vehicle kit, pulling a winch D-shaped shackle 13 tied on a winch steel rope 19 of a movable winch 1 out of a guider 2 to be close to a trailer towing ring 14, tying the winch D-shaped shackle 13 and the trailer towing ring 14 through a tying rope 10 (such as a nylon rope), wherein the tying method is preferably a quick-release tying method (such as a chain shackle method), the tying method can directly release the tying rope after completing the hanging-in, connecting a towing hook base 3 with the trailer towing hook, pulling the winch D-shaped shackle 13 out of the guider 2 to be close to the trailer, connecting the winch D-shaped shackle 13 with the trailer towing ring 14, and clamping a main towing pin 6 by a main towing pin positioning mechanism 11;

when the trailer is close to the towing hook base, the rope head of the tying rope penetrates out of the hole at the upper part of the base, the winch continues to be used for tensioning, and meanwhile, the rope head of the tying rope is continuously and synchronously pulled out of the rope tying hole 36 at the upper part of the base by one hand. At the moment, the main traction pin 6 is located at the limit position, the limit is carried out through the main traction pin positioning mechanism, when the trailer traction ring is pulled in by the winch, the main traction pin can be collided, the lower part of the main traction pin is provided with an inclined surface, the trailer traction ring 14 collides with the inclined surface of the main traction pin to enable the main traction pin 6 to ascend, the winch continues to pull in the trailer traction ring 14, the main traction pin 6 ascends to a certain degree, the main traction pin positioning mechanism 11 retreats under the action of the inclined surface and the positioning groove 61, the main traction pin 6 falls into the middle of the trailer traction ring 14 under the action of gravity to achieve automatic hanging, after the main traction pin falls 6 into the trailer traction ring 14, the end part of the fastening rope 10 is pulled out to participate in fig. 3, and the fastening rope is automatically separated from the trailer traction ring 14. After the main traction pin is in place, inserting a limit pin 7 of the main traction pin; the tying rope 10 is detached from the winch D-shaped shackle 13 and placed in a tool box for storage; the trailer is hung up by single operation.

Referring to fig. 9 to 10, the self-rescue method of the trailer towing hook device integrating the winch function includes: when the self-rescue function is used, firstly, the trailer needs to be detached, the first direction guide pin 4 and the second direction guide pin 5 which are arranged on the base are respectively inserted into the first direction guide pin hole position 31 and the second direction guide pin hole position 32, and the pressing clamp springs 18 are respectively arranged at the positions where the second direction guide pin and the first direction guide pin are inserted into the base, so that the four guide pins are prevented from falling off; pull out capstan winch D type shackle 13 from the director, be connected capstan winch goat's horn lifting hook 12 and capstan winch D type shackle 13, capstan winch goat's horn lifting hook another side fixed point can realize the capstan winch function of saving oneself each other and rescuing.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims (6)

1. The utility model provides an integrated capstan winch function trailer towing pintle device, is including installing in electric capstan winch (1) of car afterbody, electric capstan winch (1) is supporting to be equipped with to be tied and to solidify rope (10), capstan winch goat's horn lifting hook (12), capstan winch D type break out (13) and trailer towing ring (14), its characterized in that:

a tail cross beam (8) is fixedly arranged on the outer side edge of the electric winch (1), an electric winch guider (2) is fixedly arranged in the middle of the inner side of the tail cross beam (8), and a towing hook base (3) is fixedly arranged in the middle of the outer side;

a first direction guide pin (4) and a second direction guide pin (5) which are detachable are arranged on the traction hook base (3); the base (3) of the traction hook is of a double-layer structure, each layer is provided with a first direction guide pin hole position (31), a second direction guide pin hole position (32) and a main traction pin hole position (33), a traction base limiting plate (34) is arranged between the upper layer and the lower layer, and two traction base limiting plates (34) are arranged on the left side and the right side respectively and arranged in a splayed shape from inside to outside; the middle part of the upper layer of the towing hook base (3) is also provided with a tying rope hole (36) for pulling out a tying rope;

the main traction pin positioning mechanism is characterized in that a main traction pin (6) is inserted into the main traction pin hole (33), the bottom end of the main traction pin (6) is an inclined surface, a slope-shaped positioning groove (61) is formed in the side surface of the main traction pin, and a main traction pin positioning mechanism (11) capable of being elastically clamped into the positioning groove is arranged on the outer side of the positioning groove (61).

2. The integrated winch function trailer hitch arrangement of claim 1, wherein: the periphery of the electric winch (1) is provided with a winch fixing cross beam (9), and the electric winch (1) is fixedly installed inside the winch fixing cross beam (9).

3. The integrated winch function trailer hitch arrangement of claim 1, wherein: the electric winch guider (2) is at least two rollers which are vertically arranged, and a gap between the rollers can be used for a steel rope of the electric winch and a tying and fixing rope (10) to pass through.

4. The integrated winch function trailer hitch arrangement of claim 1, wherein: the tying and fixing rope (10) is bound and connected by a chain buckle.

5. An integrated winch-function trailer hitch arrangement according to any of claims 1-4, characterized in that: still be equipped with horizontal reinforcing plate (35) between the upper and lower floor of towing hook base (3), horizontal reinforcing plate (35) have two, arrange respectively in the lower terminal surface of towing hook base (3) upper strata and the up end of the lower floor of towing hook base (3).

6. An integrated winch-function trailer hitch arrangement according to any of claims 1-4, characterized in that: the lower end of the main traction pin (6) is provided with a main traction pin limiting pin hole (62), and the main traction pin limiting pin hole (62) is matched with the main traction pin limiting pin (7).

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