Pull type touring car traction frame

Abstract

The utility model discloses a pull type touring car traction frame which comprises a traction connecting part and an installation connecting part, a middle connecting part is connected between the traction connecting part and the installation connecting part, the middle connecting part comprises a middle plate, the middle plate is in a cube shape, and the upper end face and the lower end face of the middle plate are provided with vertically-through penetrating grooves. Second penetrating grooves communicating with the penetrating grooves are formed in the left end face and the right end face of the middle plate, connecting plates with T-shaped sections are arranged at the second penetrating grooves, the connecting plates comprise first fixing plates arranged in the penetrating grooves and second fixing plates penetrating through the second penetrating grooves, and the second fixing plates of the two connecting plates are connected to the first fixing buckle and the second fixing buckle correspondingly. A buffering structure is further arranged in the penetrating groove, and the two ends of the buffering structure abut against the two connecting plates respectively. The buffer structure is arranged at the middle connecting part, buffer protection during starting and stopping after the trailer and the motor home are connected is guaranteed, and meanwhile, two forms of rotation at the fixing buckles are arranged on the two sides respectively, so that the connecting stability is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a trailer type house car accessory technical field, concretely relates to a trailer type house car traction frame. BACKGROUND

[0002] The existing Chinese utility model patent with the application number 202223387216.7 discloses a connecting traction structure of trailer type house car, which is provided with a rotating shaft at the fixed buckle to realize up-down and left-right rotation, but the two forms of rotation at the fixed buckle reduce the connection strength, and although the shock absorber structure is additionally arranged, the shock absorber structure is arranged on one side of the fixed buckle, and the buffering effect is poor. UTILITY MODEL CONTENTS

[0003] The utility model aims at the deficiency in the above background art, and provides a trailer type house car traction frame which is stable in structure, high in strength and good in buffering effect.

[0004] To achieve the above-mentioned purpose, the utility model discloses a trailer type house car traction frame which adopts the following technical scheme.

[0005] A trailer type house car traction frame, comprising a traction connecting part and a mounting connecting part, wherein an intermediate connecting part is connected between the traction connecting part and the mounting connecting part, the intermediate connecting part comprises an intermediate plate, the intermediate plate is in a square shape, upper and lower end faces of the intermediate plate are provided with upper and lower through grooves, left and right end faces of the intermediate plate are provided with second through grooves which are communicated with the through grooves, the second through grooves are provided with connecting plates in a T-shaped cross section, the connecting plates comprise first fixed plates arranged in the through grooves and second fixed plates passing through the second through grooves, the second fixed plates of the two connecting plates are connected to first and second fixed buckles respectively, the first and second fixed buckles are rotationally connected to the traction connecting part and the mounting connecting part respectively, the rotation connection direction of the first fixed buckle and the traction connecting part is the up-down direction, the rotation connection direction of the second fixed buckle and the mounting connecting part is the front-back direction, a buffering structure is further arranged in the through groove, and the two ends of the buffering structure abut against the two connecting plates respectively.

[0006] The utility model further improves the trailer type house car traction frame, and the buffering structure comprises a buffer spring and a buffer damping structure.

[0007] The utility model further improves the trailer type house car traction frame, and the intermediate plate is spliced by two groups of sub-plates.

[0008] The utility model further improves the trailer type house car traction frame, and the sub-plate outer side is provided with an ear plate, the ear plate is provided with a threaded hole, the threaded hole is provided with a threaded rod, and the threaded rod is provided with a nut for positioning the positions of the two groups of sub-plates.

[0009] The further improvement of the utility model relates to a kind of trailer car towing frame, the left and right groove wall of through groove is equipped with buffer pad.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses the buffer structure is provided at intermediate connecting portion, guarantees the buffer protection when starting and stopping after trailer, house car is connected, simultaneously, the rotation of two kinds of forms of fixed buckle is divided into two sides, also effectively improve the stability of connection;On the other hand, the intermediate plate can be separately arranged, improve applicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the utility model;

[0013] In the drawing: 1 is traction connecting portion, 2 is installation connecting portion, 3 is intermediate plate, 4 is through groove, 5 is connecting plate, 6 is second fixed plate, 7 is first fixed plate, 8 is first fixed buckle, 9 is second fixed buckle, 10 is lug plate, 11 nut, 12 buffer spring. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0015] As Figure 1 As shown in a kind of trailer car towing frame, including traction connecting portion 1, installation connecting portion 2, traction connecting portion is used to connect house car, installation connecting portion is used to connect trailer. Intermediate connecting portion is connected between traction connecting portion, installation connecting portion, and intermediate connecting portion includes intermediate plate 3, intermediate plate is square, and the middle part of the upper and lower end surfaces of intermediate plate is equipped with the through groove 4 that passes through up and down, and the middle part of the left and right end surfaces of intermediate plate is equipped with the second through groove that is communicated with through groove, and the connecting plate 5 with the section being T type is equipped at the second through groove, and the connecting plate includes the first fixed plate 7 placed in through groove and the second fixed plate 6 passing through second through groove, and the second fixed plate of two connecting plates is connected to the first fixed buckle 8 second fixed buckle 9, and connection mode can be detachable form bolt connection. First fixed buckle, second fixed buckle are rotatably connected to traction connecting portion, installation connecting portion, and the rotation connection direction of first fixed buckle and traction connecting portion is up and down direction, and the rotation connection direction of second fixed buckle and installation connecting portion is front and back direction, and buffer structure is also provided in through groove, and the both ends of buffer structure are respectively abutted to two connecting plates.

[0016] Further, the buffer structure includes buffer spring 12 and buffer damping structure.

[0017] The utility model discloses another embodiment shows, the intermediate plate can also be spliced by two groups of sub-plate. Two groups of sub-plate outside are equipped with lug plate 10, is equipped with the perforation on the lug plate, is equipped with threaded rod at the perforation, is equipped with nut 11 for positioning two groups of sub-plate position on the threaded rod. When sub-plate is pasted, uses two groups of nuts to position, when sub-plate separates and increases the length of intermediate connecting structure, uses four groups of nuts to position two lug plates. Preferably, every sub-plate is equipped with four groups of lug plates, and four corners distribute. When sub-plate spacing is adjusted, can selectively replace buffer spring and damping structure.

[0018] Further, the left and right slot walls of the through slot are provided with buffer pads. Further improve the buffering performance.

[0019] The working principle of the utility model is: the traction connecting part is connected to the house car, the installation connecting part is connected to the trailer, the length of the intermediate connecting part is adjusted according to the chassis position of the two or other factors affecting the spacing, then when the trailer moves, the buffer pad is buffered, the connecting structure is protected, when the trailer stops, the house car will continue to move due to inertia, at this time, the buffer spring and the damping structure are buffered, which ensures the buffering effect and the connection stability.

[0020] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A towable RV tow rack, characterized in that: The device includes a traction connection part and an installation connection part, with an intermediate connection part connecting the traction connection part and the installation connection part. The intermediate connection part includes an intermediate plate, which is cuboid in shape. The upper and lower end faces of the intermediate plate are provided with through grooves that run vertically through the upper and lower ends. The left and right end faces of the intermediate plate are provided with second through grooves that connect to the through grooves. A connecting plate with a T-shaped cross-section is provided at the second through groove. The connecting plate includes a first fixing plate placed in the through groove and a second fixing plate passing through the second through groove. The second fixing plates of the two connecting plates are respectively connected to a first fixing buckle and a second fixing buckle. The first fixing buckle and the second fixing buckle are respectively rotatably connected to the traction connection part and the installation connection part. The rotational connection direction between the first fixing buckle and the traction connection part is vertical, and the rotational connection direction between the second fixing buckle and the installation connection part is front-back. A buffer structure is also provided in the through groove, with both ends of the buffer structure abutting against the two connecting plates.

2. The towable RV tow frame according to claim 1, characterized in that: The buffer structure includes a buffer spring and a buffer damping structure.

3. A towable RV tow rack according to claim 2, characterized in that: The intermediate plate is composed of two sets of plates spliced ​​together.

4. A towable RV tow rack according to claim 3, characterized in that: The two sets of plates are provided with ear plates on their outer sides. The ear plates have through holes and threaded rods at the through holes. Nuts are provided on the threaded rods to position the two sets of plates.

5. A towable RV tow rack according to claim 4, characterized in that: Buffer pads are provided on the left and right walls of the through groove.

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