CN220809043U - Double-end trailer ball - Google Patents
Double-end trailer ball Download PDFInfo
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- CN220809043U CN220809043U CN202322828975.0U CN202322828975U CN220809043U CN 220809043 U CN220809043 U CN 220809043U CN 202322828975 U CN202322828975 U CN 202322828975U CN 220809043 U CN220809043 U CN 220809043U
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- 230000007704 transition Effects 0.000 claims description 12
- 238000005242 forging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 208000012260 Accidental injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses a double-end trailer ball, comprising: a first sphere part with a spherical structure; the second sphere part is arranged at intervals with the first sphere part along the first direction and the second direction respectively, and is in a spherical structure, and the first direction is perpendicular to the second direction; the connecting portion comprises a first extending section, a second extending section and a third extending section, wherein the first extending section extends along a first direction and is connected to the first ball body portion, the second extending section extends along a third direction and is connected to the second ball body portion, the third direction is arranged at an angle with the first direction, and the third extending section is connected to the first extending section and the second extending section and is matched with the first extending section and the second extending section to form a fishhook shape.
Description
Technical Field
The application belongs to the technical field of trailer couplers, and particularly relates to a double-head trailer ball.
Background
A hitch ball is a critical connection for a trailer and a tractor, having two connectors that can connect the main tractor and the trailer thereafter simultaneously so that the trailer can be towed or towed simultaneously. In the existing trailer ball design, the trailer ball is generally fixedly mounted on a rear beam of a front tractor, so that the trailer ball is conveniently and quickly connected with a trailer hook of the rear tractor, and generally protrudes out of the rear beam of the front tractor, and therefore, when the rear-end collision accident occurs in the independent running process of the tractor without a trailer, the trailer ball is easily embedded into the rear tractor, and larger potential safety hazards are caused to the rear tractor. Therefore, there is a need to solve the above-mentioned technical problems.
Disclosure of Invention
The embodiment of the application aims to provide a double-end trailer ball, which solves the technical problem that a trailer hook in the prior art is easy to be embedded into a rear vehicle.
In order to achieve the above purpose, the application adopts the following technical scheme: there is provided a double-ended trailer ball comprising:
A first sphere part with a spherical structure;
the second sphere part is arranged at intervals with the first sphere part along a first direction and a second direction respectively, the second sphere part is in a spherical structure, and the first direction is perpendicular to the second direction;
The connecting portion comprises a first extending section, a second extending section and a third extending section, wherein the first extending section extends along the first direction and is connected with the first ball body portion, the second extending section extends along the third direction and is connected with the second ball body portion, the third direction and the first direction are arranged at an angle, and the third extending section is connected with the first extending section and the second extending section and is matched with the first extending section and the second extending section to form a fishhook shape.
Optionally, a smooth transition of circular arc shape is provided between the first extension section and the third extension section and between the second extension section and the third extension section.
Optionally, the first extension section, the second extension section and the third extension section are all cylindrical structures, and diameters of the first extension section and the second extension section are smaller than those of the third extension section.
Optionally, the diameter of the first extension section is smaller than the diameter of the first sphere portion, and a circular arc-shaped smooth transition is formed between the first extension section and the first sphere portion.
Optionally, the diameter of the second extension section is smaller than the diameter of the second sphere portion, and a circular arc-shaped smooth transition is formed between the second extension section and the second sphere portion.
Optionally, the first sphere portion, the second sphere portion and the connecting portion are integrally formed by forging.
Optionally, the angle between the first direction and the third direction is 6.9 °.
Optionally, the connecting portion is provided with a groove starting from the first extension section and extending to the third extension section and the second extension section in sequence.
Optionally, the first extension section is provided with a positioning pin hole, and the positioning pin hole is recessed towards the inside of the first extension section along the radial direction of the first extension section and is used for being connected with an external positioning pin.
Optionally, the first sphere has a larger diameter than the second sphere.
The double-end trailer ball provided by the application has the beneficial effects that: compared with the prior art, the application comprises a first sphere part, a second sphere part and a connecting part for connecting the first sphere part and the second sphere part. Wherein the first sphere portion and the second sphere portion are disposed at intervals along the first direction and the second direction. Therefore, when the first ball body is mounted on the front vehicle, the double-head trailer ball can be rotated, so that the second ball body is received below the rear beam of the front vehicle, and further accident injury caused by the fact that the trailer ball is embedded into the rear vehicle can be effectively avoided when a rear-end collision occurs. In addition, the second extension section extends along the third direction and is arranged at an angle with the first direction, so that a larger connecting space can be provided for the double-head trailer ball, and the second ball body part is prevented from being separated from the rear vehicle. Compared with the prior art, the method has obvious safety benefit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an elevational view of the overall structure of a double-ended trailer ball provided by an embodiment of the present application;
FIG. 2 is a side view of the overall structure of a double-ended trailer ball provided in an embodiment of the present application;
FIG. 3 is a rear view of the overall structure of a double-ended trailer ball provided in an embodiment of the present application;
Wherein, each reference sign in the figure: 100. a first sphere portion; 200. a second sphere portion; 301. a first extension; 302. a second extension; 303. a third extension; 400. a groove; 500. and positioning pin holes.
Description of the embodiments
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application 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 scope of the application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 3, a double-ended trailer ball according to an embodiment of the present application will now be described. The double-ended trailer ball includes a first ball portion 100, a second ball portion 200, and a connection portion. Wherein the first ball portion 100 is of spherical configuration and is adapted to be coupled to a front vehicle, i.e. a tractor. The second ball portion 200 is spaced apart from the first ball portion 100 in the first and second directions, respectively, and the second ball portion 200 has a spherical structure and is used for connection with a rear vehicle, that is, a trailer. In this embodiment, the first direction is perpendicular to the second direction, where the first direction and the second direction may be any two directions perpendicular in a plane.
In this embodiment, the connecting portion includes a first extending section 301, a second extending section 302 and a third extending section 303, where the first extending section 301 extends along a first direction and is connected to the first ball portion 100, the second extending section 302 extends along a third direction and is connected to the second ball portion 200, the third direction is disposed at an angle to the first direction, and the third extending section 303 is connected to the first extending section 301 and the second extending section 302 and cooperates with the first extending section 301 and the second extending section 302 to form a "fishhook" shape.
According to the structure of the on-market double-head trailer ball provided in the present embodiment, when the first ball body 100 is mounted on the front vehicle, the double-head trailer ball can be rotated to enable the second ball body 200 to be received under the rear beam of the front vehicle, so that further accident injury caused by embedding the trailer hook into the rear vehicle can be effectively avoided when a rear-end collision accident occurs. In addition, the second extension section 302 extends along the third direction and the third direction is disposed at an angle to the first direction, so that a larger connection space can be provided for the double-ended trailer ball, and the second ball body 200 is prevented from being separated from the rear vehicle. Compared with the prior art, the method has obvious safety benefit.
In another embodiment of the present application, referring to fig. 1 to 3, a smooth transition is provided between the first extension section 301 and the third extension section 303 and between the second extension section 302 and the third extension section 303. According to the above structure provided in the present embodiment, the processing stress between the first extension 301, the second extension 302, and the third connection section can be eliminated by the circular arc smooth transition. In addition, the double-end trailer balls provided in the embodiment can have smoother and tidier appearance.
In another embodiment of the present application, referring to fig. 1 to 3, the first extension 301, the second extension 302 and the third extension 303 are all cylindrical structures, and the diameters of the first extension 301 and the second extension 302 are smaller than the third extension 303. According to the above structure provided in the present embodiment, the first extension 301, the second extension 302 and the third extension 303 are all configured to be cylindrical, so that the connection portion provided in the present embodiment has better structural strength. In addition, since the diameters of the first extension section 301 and the second extension section 302 are smaller than the third extension section 303, that is, the longest third extension section 303 in the connection portion has the largest diameter, the structural strength of the connection portion can be further improved.
In another embodiment of the present application, referring to fig. 1 to 3, the diameter of the first extension section 301 is smaller than that of the first sphere 100, and a smooth transition between the first extension section 301 and the first sphere 100 is circular arc. According to the above structure provided in the present embodiment, since the diameter of the first extension 301 is smaller than the diameter of the first sphere portion 100, connection of the first sphere portion 100 with a front vehicle can be facilitated. In addition, the circular arc-shaped smooth transition between the first extension section 301 and the first sphere portion 100 can enable the double-end trailer ball provided in the embodiment to have better structural strength.
In another embodiment of the present application, referring to fig. 1 to 3, the diameter of the second extension section 302 is smaller than that of the second sphere 200, and a smooth transition between the second extension section 302 and the second sphere 200 has a circular arc shape. According to the above structure provided in the present embodiment, since the diameter of the second extension 302 is smaller than that of the second sphere 200, connection of the second sphere 200 with a rear vehicle can be facilitated. In addition, the second extension section 302 and the second spherical portion 200 are provided with a smooth transition in the shape of a circular arc, so that the double-end trailer ball provided in the embodiment has better structural strength.
In another embodiment of the present application, please refer to fig. 1 to 3 together, the first sphere portion 100, the second sphere portion 200 and the connecting portion are integrally formed by forging. According to the structure provided in the present embodiment, the double-ended trailer ball provided in the present embodiment can be made to have better structural strength.
In another embodiment of the present application, referring to fig. 1 to 3, the angle between the first direction and the third direction is 6.9 °, and the angle between the axial direction of the third extension 303 and the first direction is 54 °. The double-ended trailer ball provided in the embodiment can have better structural strength.
In another embodiment of the present application, referring to fig. 1 to 3, a groove 400 is formed on the connecting portion, starting from the first extension 301 and extending to the third extension 303 and the second extension 302 in sequence. According to the double-end trailer ball provided by the embodiment, under the condition that the strength required by the trailer hook is met, the raw material consumption during preparation of the double-end trailer ball can be effectively reduced, and obvious economic benefits are achieved.
In another embodiment of the present application, referring to fig. 1 to 3, the first extension 301 is provided with a positioning pin hole 500, and the positioning pin hole 500 is recessed toward the inside of the first extension 301 along the radial direction of the first extension 301 and is used for connecting with an external positioning pin. According to the structure provided in this embodiment, when in use, after the first ball body 100 is connected with the mounting piece on the rear beam of the tractor, when the rotation angle of the first ball body 100 in the mounting piece reaches the design limit, the positioning pin hole 500 can be just clamped in the target pin shaft, on the one hand, the first ball body 100 can be limited to continue to rotate, on the other hand, feedback can be given to an operator in time, and particularly, when the double-end trailer ball is not pulled, namely, when the double-end trailer ball does not work, the double-end trailer ball can rotate to the hidden position on the inner side below the rear beam of the tractor and then is clamped with the target pin shaft through the positioning pin hole 500, so that the double-end trailer ball is prevented from being thrown out in the vehicle driving process, and the safety is good.
In another embodiment of the present application, referring to fig. 1 to 3, the diameter of the first sphere portion 100 is larger than that of the second sphere portion 200, so that the double-ended trailer ball provided in the present embodiment has better structural strength.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. A double-ended trailer ball, comprising:
A first spherical portion (100) having a spherical structure;
The second sphere part (200) is arranged at intervals with the first sphere part (100) along a first direction and a second direction respectively, the second sphere part (200) is in a spherical structure, and the first direction is perpendicular to the second direction;
The connecting portion comprises a first extending section (301), a second extending section (302) and a third extending section (303), wherein the first extending section (301) extends along the first direction and is connected with the first ball portion (100), the second extending section (302) extends along the third direction and is connected with the second ball portion (200), the third direction and the first direction are arranged at an angle, and the third extending section (303) is connected with the first extending section (301) and the second extending section (302) and is matched with the first extending section (301) and the second extending section (302) to form a fishhook shape.
2. The double-ended trailer ball of claim 1, wherein:
Smooth transitions in the shape of circular arcs are arranged between the first extension section (301) and the third extension section (303) and between the second extension section (302) and the third extension section (303).
3. The double-ended trailer ball of claim 2, wherein:
The first extension section (301), the second extension section (302) and the third extension section (303) are all cylindrical structures, and the diameters of the first extension section (301) and the second extension section (302) are smaller than that of the third extension section (303).
4. A double-ended trailer ball as in claim 3 wherein:
The diameter of the first extension section (301) is smaller than that of the first sphere (100), and a circular arc-shaped smooth transition is formed between the first extension section (301) and the first sphere (100).
5. A double-ended trailer ball as in claim 3 wherein:
The diameter of the second extension section (302) is smaller than that of the second sphere (200), and a circular arc-shaped smooth transition is formed between the second extension section (302) and the second sphere (200).
6. The double-ended trailer ball of claim 1, wherein:
The first sphere part (100), the second sphere part (200) and the connecting part are of an integral forging forming structure.
7. The double-ended trailer ball of claim 1, wherein:
The included angle between the first direction and the third direction is 6.9 degrees.
8. The double-ended trailer ball of any one of claims 1-7, wherein:
the connecting part is provided with a groove (400) which starts from the first extension section (301) and sequentially extends to the third extension section (303) and the second extension section (302).
9. The double-ended trailer ball of claim 2, wherein:
The first extension section (301) is provided with a positioning pin hole (500), and the positioning pin hole (500) is recessed towards the inside of the first extension section (301) along the radial direction of the first extension section (301) and is used for being connected with an external positioning pin.
10. The double-ended trailer ball of claim 1, wherein:
The first sphere (100) has a larger diameter than the second sphere (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322828975.0U CN220809043U (en) | 2023-10-23 | 2023-10-23 | Double-end trailer ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322828975.0U CN220809043U (en) | 2023-10-23 | 2023-10-23 | Double-end trailer ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220809043U true CN220809043U (en) | 2024-04-19 |
Family
ID=90713531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322828975.0U Active CN220809043U (en) | 2023-10-23 | 2023-10-23 | Double-end trailer ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220809043U (en) |
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2023
- 2023-10-23 CN CN202322828975.0U patent/CN220809043U/en active Active
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