CN216993787U - Reverse traction frame for trailer - Google Patents
Reverse traction frame for trailer Download PDFInfo
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- CN216993787U CN216993787U CN202220960499.0U CN202220960499U CN216993787U CN 216993787 U CN216993787 U CN 216993787U CN 202220960499 U CN202220960499 U CN 202220960499U CN 216993787 U CN216993787 U CN 216993787U
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- traction frame
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Abstract
The utility model relates to the technical field of traction frames, in particular to a reverse traction frame for a trailer, which comprises a main body, an installation block, a connecting rod, a fixing nut, a tensioning rod, a connecting block, a contraction block, a connecting piece, a locking nut, a rotating shaft and a locking sheet. This reverse traction frame that trailer used rotates tensioning rod, under the thread engagement effect for tensioning rod removes in the connecting piece, thereby drives the shrink piece and removes to one side, and then promotes the stay and through the pivot upset, and laminates mutually with car as a house bottom crossbeam, thereby adapts to the aperture of different diameters size, treats the laminating back, rotates lock nut, tightens up under the thread engagement effect.
Description
Technical Field
The utility model relates to the technical field of traction frames, in particular to a reverse traction frame for a trailer.
Background
The traction frame is a mechanical tool for dragging the trailer motor home, is installed on the trailer motor home, is connected and fixed with a car or a trailer when the trailer motor home needs to be moved, and utilizes an external trailer to drag and run, thereby ensuring that the trailer motor home continuously moves. At present, a traction frame for towing a caravan generally comprises a triangular connecting frame (or a fixed seat), a traction rod, a ball head connector and a support wheel, wherein the triangular connecting frame (or the fixed seat) is fixedly connected with a main beam of the towing caravan, one end of the traction rod is fixedly connected onto the triangular connecting frame (or the fixed seat), the ball head connecting seat is fixed at the other end of the traction rod, the support wheel is assembled on the traction rod, the ball head connecting seat can be used for being connected with a trailer, and the support wheel can be used for adjusting the position of the parallel ground or the vertical ground on the traction rod so as to tow or support parking and stop.
Most of the caravan and the traction frame are directly connected through bolts, the connection effect is stable, the hole diameter of the connection effect needs to be formed according to the diameter of the bolts, and the traction frame is inconvenient to install.
Disclosure of Invention
The utility model aims to provide a reverse traction frame for a trailer, which aims to solve the problems that most of the prior caravans on the market are directly connected with the traction frame through bolts, the connection effect is stable, the hole diameter needs to be formed according to the diameter of the bolts, and the traction frame is inconvenient to mount.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a reverse traction frame that trailer car as a house used, includes main part, installation piece, connecting rod, fixation nut, tensioning rod, connecting block, shrink piece, connecting piece, lock nut, pivot and stay, the main part end fixing has the connecting block, the connecting block is connected with the installation piece through the connecting rod, fixation nut is installed to the connecting rod tip, installation piece middle part is provided with straining device, and straining device is used for being connected installation piece and car as a house.
Preferably, the tensioning mechanism comprises: the tensioning rod and shrink piece, the tensioning rod other end is provided with the shrink piece.
Preferably, the outside of the tension rod is in a threaded structure, and the diameter of the shrinkage block is larger than that of the tension rod.
Preferably, the tensioning mechanism further comprises: connecting piece, lock nut, pivot and stay, what the connecting piece cover was established is on the tensioning lever, lock nut installs at the connecting piece outside, the connecting piece tip is connected with the stay through the pivot.
Preferably, the locking sheet is of an inclined structure and is of an arc-shaped sheet structure.
Compared with the prior art, the utility model has the beneficial effects that: this reverse traction frame that trailer used rotates tensioning rod, under the thread engagement effect, make tensioning rod remove in the connecting piece, thereby drive the shrink piece and remove to one side, and then promote the stay and pass through the pivot upset, and laminate mutually with car as a house bottom crossbeam, thereby adapt to the aperture of different diameters size, treat the laminating back, rotate lock nut, tighten up under the thread engagement effect, thereby make installation piece and car as a house bottom crossbeam laminate mutually, and fastening connection realizes the quick installation of traction frame.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.
In the figure: the clamping device comprises a main body 1, an installation block 2, a connecting rod 3, a fixing nut 4, a tensioning rod 5, a connecting block 6, a contraction block 7, a connecting piece 8, a locking nut 9, a rotating shaft 10 and a locking sheet 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a reverse traction frame that trailer used, includes main part 1, installation piece 2, connecting rod 3, fixation nut 4, tensioning rod 5, connecting block 6, shrink piece 7, connecting piece 8, lock nut 9, pivot 10 and stay 11, 1 end fixing of main part has connecting block 6, connecting block 6 is connected with installation piece 2 through connecting rod 3, fixation nut 4 is installed to 3 end of connecting rod, and 6 inside hollow structure that are of connecting block, connecting rod 3 run through inside the connecting block 6, and is unset between the two, can rotate, conveniently rotates main part 1, adjusts its angle for carry out the connection of car as a house, installation piece 2 middle parts are provided with straining device, and straining device is used for being connected installation piece 2 and car as a house.
Referring to fig. 2-3, the tensioning mechanism includes: tensioning rod 5 and shrink piece 7, the 5 other ends of tensioning rod are provided with shrink piece 7, 5 outsides of tensioning rod are helicitic texture, and the helicitic texture of 5 outsides of tensioning rod and 2 internal thread phase-matchs of installation piece twist through the screw thread to make it remove in installation piece 2, and drive shrink piece 7 and the laminating of car as a house bottom crossbeam mutually, and realize the purpose of tensioning, thereby realize the purpose of installation traction frame, straining device still includes: connecting piece 8, lock nut 9, pivot 10 and stay 11, 8 covers of connecting piece are established on tensioning rod 5, lock nut 9 is installed at 8 outsides of connecting piece, 8 tip of connecting piece is connected with stay 11 through pivot 10, 8 outsides of connecting piece are threaded connection between helicitic texture and lock nut 9, and 8 inside also be the helicitic texture and be connected for thread engagement between the tensioning rod 5, the inside slope column structure that is of stay 11, stay 11 is arc sheet structure, at the in-process that shrink piece 7 removed, through its removal in stay 11 inside, because its position changes, can promote stay 11 rotatory through pivot 10 about through the inside slope column structure of stay 11, and then the tensioning.
Rotate tensioning rod 5, under the meshing of screw, make tensioning rod 5 remove in connecting piece 8, thereby drive shrink piece 7 and to a lateral shifting, and then promote stay 11 and overturn through pivot 10, and laminate mutually with car as a house bottom crossbeam, thereby adapt to the aperture of different diameters size, treat the laminating back, rotate lock nut 9, tighten up under the meshing of screw, thereby make installation piece 2 laminate mutually with car as a house bottom crossbeam, and fastening connection, realize the quick installation of traction frame.
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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a reverse traction frame that trailer used, includes main part (1), installation piece (2), connecting rod (3), fixation nut (4), tensioning rod (5), connecting block (6), shrink piece (7), connecting piece (8), lock nut (9), pivot (10) and stay (11), main part (1) end fixing has connecting block (6), connecting block (6) are connected with installation piece (2) through connecting rod (3), fixation nut (4), its characterized in that are installed to connecting rod (3) tip: and a tensioning mechanism is arranged in the middle of the mounting block (2).
2. The reverse traction frame for a trailer as claimed in claim 1, wherein: the tensioning mechanism includes: tensioning rod (5) and shrink piece (7), tensioning rod (5) other end is provided with shrink piece (7), the diameter of shrink piece (7) is greater than the diameter of tensioning rod (5).
3. The reverse traction frame for a trailer as claimed in claim 2, wherein: the external part of the tensioning rod (5) is of a thread structure, and the thread structure of the external part of the tensioning rod (5) is matched with the internal thread of the mounting block (2).
4. A reverse hitch frame as claimed in claim 3, wherein: the tensioning mechanism further comprises: connecting piece (8), lock nut (9), pivot (10) and stay (11), connecting piece (8) cover is established on tensioning lever (5).
5. The reverse traction frame for a trailer as claimed in claim 4, wherein: the locking nut (9) is arranged outside the connecting piece (8), and the end part of the connecting piece (8) is connected with the locking sheet (11) through a rotating shaft (10).
6. The reverse traction frame for a trailer as claimed in claim 5, wherein: the locking sheet (11) is internally of an inclined structure, and the locking sheet (11) is of an arc-shaped sheet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220960499.0U CN216993787U (en) | 2022-04-19 | 2022-04-19 | Reverse traction frame for trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220960499.0U CN216993787U (en) | 2022-04-19 | 2022-04-19 | Reverse traction frame for trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216993787U true CN216993787U (en) | 2022-07-19 |
Family
ID=82378129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220960499.0U Active CN216993787U (en) | 2022-04-19 | 2022-04-19 | Reverse traction frame for trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216993787U (en) |
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2022
- 2022-04-19 CN CN202220960499.0U patent/CN216993787U/en active Active
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