CN211995046U

CN211995046U - Towing device

Info

Publication number: CN211995046U
Application number: CN202020173284.5U
Authority: CN
Inventors: 王应华
Original assignee: Deere and Co
Current assignee: Deere and Co
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-11-24
Anticipated expiration: 2030-02-14

Abstract

The application discloses a tow device includes: a base; a towing part used for connecting the towed object; the towing piece has a first installation state and a second installation state which are installed on the base; the dragging and hanging piece can rotate when being positioned in a first installation state; and the dragging and hanging piece is fixedly arranged on the base when being in the second installation state. This trailer device can convenience of customers can go the form of adjusting trailer device fast by oneself according to the structure of actual trailer, does not need extra repacking, has promoted convenience and the suitability of using.

Description

Towing device

Technical Field

The application relates to the field of traction accessories, in particular to a traction device.

Background

At present, when a trailer (such as a tractor) is used for traction operation, the trailer needs to be provided with traction performance so as to ensure normal traction operation, but the types of trailers on the market are more and more at present, different requirements are provided for the trailer, and when the trailer and the trailer are not matched, the phenomenon that the trailer is easy to damage is easy to occur. The user often need reequip by oneself just can be suitable for, has increased the inconvenience of using, has influenced user's experience.

For example, some trailers do not have swing shafts, so that the trailers need to be equipped with swing type towing structures, otherwise, the freedom degree of the trailers is limited, and the trailer is not suitable for use; when the trailer hung by the trailer device is provided with the swing shaft, a fixed type trailer structure needs to be matched, otherwise, redundant freedom degree is provided, and the condition of inapplicability occurs.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings, an object of the present application is to provide a towing device, so that a user can adjust the form of the towing device automatically and rapidly according to the structure of an actual trailer, without additional modification, and the convenience and applicability of use are improved.

In order to achieve the purpose, the technical scheme is as follows:

a hitch apparatus, comprising:

a base;

a towing part used for connecting the towed object; the towing piece has a first installation state and a second installation state which are installed on the base; the dragging and hanging piece can rotate when being positioned in a first installation state; and the dragging and hanging piece is fixedly arranged on the base when being in the second installation state.

In a preferred embodiment, the trailing member has a first connecting portion and a second connecting portion connected to the base; the dragging and hanging piece is in the first installation state when being connected with the base only through the first connecting part; the trailer is located in the second installation state when connected with the base through the first connecting part and the second connecting part.

As a preferred embodiment, the first connecting portion includes a pin through hole provided on the trailing piece; the pin shaft through hole is rotatably connected with the base through a connecting pin.

As a preferred embodiment, the second connecting portion includes an anti-rotation hole provided on the trailing member; the anti-rotation holes are connected with the base through anti-rotation pins; the anti-rotation pin is parallel to the connecting pin.

As a preferred embodiment, the towing part comprises a main body part and two ear plates which are fixedly arranged on the main body part; wherein, the anti-rotation hole is arranged on the ear plate;

the main body part comprises two hanging plates which are oppositely arranged; the hanging plate is provided with a shaft hole for the passing of a towing pin; the pin shaft through hole is positioned at one end of the main body part and is vertical to the penetrating direction of the shaft hole.

As a preferred embodiment, the base is provided with two oppositely arranged hanging plates and a connecting plate for fixedly connecting the two hanging plates;

and the two hanging plates are provided with pin shaft jacks corresponding to the pin shaft through holes and anti-rotation jacks corresponding to the anti-rotation holes.

In a preferred embodiment, the diameter of the pin insertion hole is larger than the diameter of the anti-rotation hole.

In a preferred embodiment, the rotation-preventing hole is located above the pin shaft insertion hole.

As a preferred embodiment, the peg board has a front end and a rear end; the pin shaft jack and the anti-rotation jack are positioned at the rear end of the hanging plate; the front end of the hanging plate is also provided with a mounting hole for mounting the base at a target position.

As a preferred embodiment, the front end of the hanging plate has a bent edge structure; the mounting hole is located on the crimping structure.

Has the advantages that:

the trailer that this application embodiment provided has the rotatable first installation state of trailer to and the second installation state of trailer fixed mounting, whether be equipped with the condition of rocking the axle based on the trailer and select corresponding first installation state or second installation state, and then adapt to different trailers, consequently, this structure of towing can convenience of customers go to adjust the form of towing the device fast by oneself according to the structure of actual trailer, does not need extra repacking, has promoted convenience and the suitability of using.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a hitch of one embodiment of the present application in a first installed condition;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of a hitch of one embodiment of the present application in a second installed condition;

fig. 4 is an exploded view of fig. 3.

Detailed Description

In order to make the technical solutions in the present invention better understood, 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, but 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 shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 4. One embodiment of the present application provides a towing device, including: a base 100; a trailer 200 for connecting a towed object; the trailer 200 has a first mounting state and a second mounting state mounted on the base 100. The trailing arm 200 is rotatable when in a first mounting position (as shown); the trailer 200 is fixedly mounted on the base 100 when in a second mounting state (as shown in fig. 3).

The base 100 may be mounted on a target towing vehicle. Preferably, the base 100 is removably mountable to a target towing vehicle (e.g., tractor, vehicle head, etc.). When a trailer without a swing shaft needs to be pulled, a user can switch the towing piece 200 to a first installation state, and the towing device forms a swing type towing structure, so that the trailer is provided with expected freedom degree; when needs pull the trailer that possesses the rocking axle, the user can switch over trailer 200 to the second installation status, and this trailer device forms fixed trailer structure, and then avoids providing unnecessary degree of freedom, the adaptation trailer condition of preferred for the trailer.

The trailer device that this embodiment provided has the rotatable first installation state of trailer 200 and the second installation state of trailer 200 fixed mounting, whether be equipped with the condition of rocking the axle based on the trailer and select corresponding first installation state or second installation state, and then adapt to different trailers, consequently, this trailer structure can convenience of customers can go the form of adjusting the trailer device by oneself fast according to the structure of actual trailer, does not need extra repacking, has promoted convenience and the suitability of using.

In the present embodiment, the base 100 has a symmetrical structure. Specifically, the base 100 includes two oppositely disposed hanging plates 101 and a connecting plate 102 for fixedly connecting the two hanging plates 101. The base 100 may also have a floor 103 for ease of installation in a target location. The hanging plate 101 and the connecting plate 102 are fixedly supported by the bottom plate 103. The front end of the base 100 is formed in an "L" shape to facilitate installation at a target location. The base 100 is removably mounted to a target location of a target towing vehicle. The base 100 has a detachable coupling structure such as a bolt hole or the like, thereby achieving detachable mounting of the base 100. Wherein, link plate 101 and bottom plate 103 all have corresponding connecting portion on.

Specifically, the front end of the hanging plate 101 is further provided with a mounting hole 109 for mounting the base 100 at a target position. Wherein, the front end of link plate 101 has crimp structure 108. The mounting hole 109 is located on the crimping structure 108. The crimping structure 108 is formed as a 90 degree bend. The crimping structures 108 of the two hanging plates 101 are vertically provided with a plurality of mounting holes 109. Each mounting hole 109 may be mounted with a bolt, which is then mounted in a back-to-front manner to be fixed at a target position. The base plate 103 may also be provided with corresponding mounting holes 109 for mounting bolts from below upwards for fixing at a target location, thereby providing various points of fixing attachment points, ensuring that the base 100 can be stably mounted on a target towing vehicle, providing stable towing.

In this embodiment, the trailer 200 has a first connecting portion and a second connecting portion connected to the base 100. As shown in fig. 1, the trailing member 200 is in the first installation state only when connected to the base 100 through the first connecting portion. As shown in fig. 3, the trailer 200 is in the second installation state when connected to the base 100 through the first connection portion and the second connection portion.

Wherein, first connecting portion and second connecting portion all can be connected on base 100 through detachably mode, and the user adopts first connecting portion to connect and installs on base 100 through the selection, still selects first connecting portion and second connecting portion to connect simultaneously and installs on base 100, realizes adapting to the trailer that drags the difference. When different trailers need to be articulated, a user can choose to detach or install the first connecting part and the second connecting part, and switching between the first installation state and the second installation state is achieved.

In this embodiment, the lower end of the base 100 forms a U-shaped opening for the hanging piece 200 to be inserted into and connected with the hanging plate 101. The hanging plate 101 is formed with a connection structure adapted to the first connection portion and the second connection portion. Specifically, the first connecting portion includes a pin through hole 201 disposed on the trailing member 200. The pin through hole 201 is rotatably connected to the base 100 by a connection pin 106. The connecting pin 106 may be a cylindrical rod body. In the first installation position, the trailer 200 may be rotated about the connection pin 106 or the axis of the connection pin 106, thereby providing a degree of freedom of oscillation for the trailer.

And pin shaft insertion holes 104 corresponding to the pin shaft through holes 201 are formed in the two hanging plates 101. The two pin shaft insertion holes 104 are respectively located on the two hanging plates 101 and are oppositely arranged. The pin shaft through hole 201 is located between the two hanging plates 101, aligned with the pin shaft insertion holes 104 at the two ends, and simultaneously penetrated by the connecting pin 106, and the two ends of the connecting pin 106 can be respectively limited by the O-shaped pin 150 (safety pin) to prevent disengagement, so that the base 100 is connected with the first connecting part of the towing part 200.

In this embodiment, the second connecting portion includes an anti-rotation hole 202 disposed on the trailer 200. The anti-rotation holes 202 are connected to the base 100 by anti-rotation pins 107. The anti-rotation pins 107 are parallel to the connecting pins 106. The hanging plate 101 is provided with an anti-rotation jack 105 corresponding to the anti-rotation hole 202.

To provide a stable connection structure, the diameter of the pin insertion hole 104 is larger than the diameter of the anti-rotation hole 202. Accordingly, the diameter of the connecting pin 106 is larger than the diameter of the anti-rotation pin 107. The anti-rotation hole 202 is located above the pin jack 104. The hanging plate 101 has a front end and a rear end; the pin shaft insertion hole 104 and the rotation-preventing insertion hole 105 are located at the rear end of the hanging plate 101. A plurality of mounting holes 109 and crimping structures 108 are located at the front end of clevis 101.

In this embodiment, the trailer 200 includes a main body portion and two ear plates 204 fixed to the main body portion. The anti-rotation hole 202 is disposed on the ear plate 204. The main body part is U-shaped as a whole. The main body portion includes two hanging plates 203 arranged oppositely. The hanging plate 203 is provided with a shaft hole 205 for the towing pin 206 to pass through. The shaft holes 205 on the two hitching plates 203 are arranged oppositely, the insertion end of the trailer can be inserted between the two hitching plates 203, and the towing pin 206 can be simultaneously inserted between the insertion ends of the two hitching plates and the trailer, so that the trailer is hitched on the towing device. The pin shaft through hole 201 is located at one end of the main body portion, and is perpendicular to the penetrating direction of the shaft hole 205. Of course, the embodiment of the present application is not limited to the above-mentioned structure of the trailer 200, and the trailer 200 may have different towing structures, such as a hook, an insertion rod, etc., and the present application does not limit this to the only one.

The two ear plates 204 are fixed to the top surface of one of the coupling plates 203, and specifically, the two ear plates 204 may be fixed to the coupling plate 203 by welding. When the second connecting portion is connected with the base 100, the two ear plates 204 are inserted between the two hanging plates 101, the anti-rotation holes 202 of the two ear plates 204 are communicated with the anti-rotation insertion holes 105 in the hanging plates 101 in an aligned mode, the anti-rotation pins 107 are inserted from one side, the two hanging plates 101 and the two ear plates 204 are penetrated, two ends of each anti-rotation pin 107 can be limited through the O-shaped pins 150 (safety pins) respectively, the anti-separation is prevented, and therefore the base 100 is connected with the second connecting portion of the towing piece 200.

When the towing device provided by the embodiment needs to be switched from the second installation state to the first installation state, the user only needs to remove the O-shaped pins 150 at the two ends of the anti-rotation pin 107 and pull the anti-rotation pin 107 away from one side, so that the towing part 200 can enter the first installation state, and the trailer can be provided with a swing degree of freedom. When the user needs to switch the towing device from the first installation state to the second installation state, the user can lift the towing part 200 to insert the two ear plates 204 into the two hanging plates 101, align the anti-rotation holes 202 with the anti-rotation insertion holes 105, finally insert the anti-rotation pins 107 from one side and position the anti-rotation pins 107 to prevent the anti-rotation pins 107 from falling off through the O-shaped pins 150, so that the towing part 200 can enter the second installation state, and unnecessary degree of freedom is prevented from being provided for the trailer.

A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of the subject matter that is disclosed herein is not intended to forego such subject matter, nor should the inventors be construed as having contemplated such subject matter as being part of the disclosed inventive subject matter.

Claims

1. A hitch device, comprising:

a base;

2. The hitch device of claim 1, wherein said hitch member has a first connection portion and a second connection portion connected to said base; the dragging and hanging piece is in the first installation state when being connected with the base only through the first connecting part; the trailer is located in the second installation state when connected with the base through the first connecting part and the second connecting part.

3. The hitch device of claim 2, wherein said first connection includes a pin through hole provided on said hitch member; the pin shaft through hole is rotatably connected with the base through a connecting pin.

4. A hitch device, as claimed in claim 3, wherein said second connecting portion includes an anti-rotation aperture provided in said hitch member; the anti-rotation holes are connected with the base through anti-rotation pins; the anti-rotation pin is parallel to the connecting pin.

5. The hitch device of claim 4, wherein said hitch member includes a main body portion and two ear plates fixedly disposed relative to said main body portion; wherein, the anti-rotation hole is arranged on the ear plate;

6. The towing apparatus in accordance with claim 4, wherein the base has two oppositely disposed hanging plates, a connecting plate fixedly connecting the two hanging plates;

7. The hitch device of claim 6, wherein said pin receptacle has a diameter greater than a diameter of said anti-rotation hole.

8. A hitch device, as claimed in claim 6, in which said anti-rotation aperture is located above said pin receptacle.

9. A towing attachment according to claim 6, wherein the peg has a front end and a rear end; the pin shaft jack and the anti-rotation jack are positioned at the rear end of the hanging plate; the front end of the hanging plate is also provided with a mounting hole for mounting the base at a target position.

10. The hitch apparatus of claim 9, wherein the forward end of said hitch plate has a crimping structure; the mounting hole is located on the crimping structure.