Trailer traction connecting device with buffering function

Abstract

The utility model is suitable for the technical field of trailer traction structures, and provides a trailer traction connecting device with a buffering function, which comprises a trailer connecting seat and a container connecting frame. According to the trailer traction connecting device with the buffering function, the first buffering spring and the second buffering spring are arranged, the device is divided into two sections, the trailer connecting base is directly and fixedly connected with the tail of a trailer, and the container connecting frame is connected with the front end of a container; in actual use, the connecting block needs to be inserted between the two connecting transverse plates, then the connecting block and the two connecting transverse plates are installed in a butt joint mode through the clamping pin, then the container can be driven by a trailer to move, if sudden brake occurs in the transportation process, the movable seat can move forwards in the sliding groove, and the connecting block can synchronously move forwards; a first buffer spring and a second buffer spring in the clamping pin and the clamping pin can jointly achieve a buffer effect, so that the clamping pin is prevented from being instantaneously subjected to overlarge impact force in the process, and the problems of deformation and the like of the clamping pin are prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of trailer traction structures, and in particular relates to a trailer traction connection device with a buffering function. Background Art

[0002] A trailer tractor is a device used to tow RVs, yachts, ATVs, bicycles, storage boxes and other equipment. It is usually installed at the rear of a car to connect the towed equipment. The trailer tractor mainly consists of three parts: a fixed bracket, a ball and a power harness (power control unit). However, the power harness is installed as needed and is not a necessary accessory for the trailer ball system to function.

[0003] The general trailer tractor structure is connected by a pin or a trailer ball. During high-speed driving, if an emergency brake is encountered, the box at the rear of the trailer will continue to move forward under the action of inertia, and the pin used for connection will be instantly subjected to a huge impact force. Over time, it is easy to cause the pin shaft to deform, which has a great impact on transportation efficiency. In severe cases, the pin shaft may break, which may cause serious safety accidents. Utility Model Content

[0004] The utility model provides a trailer towing connection device with a buffering function, which aims to solve the problem that the pin of the current trailer towing structure is prone to deformation when the trailer brakes suddenly, which has a great impact on transportation efficiency. In severe cases, the pin breaks, which may cause serious safety accidents.

[0005] The utility model is realized as follows: a trailer traction connection device with a buffering function comprises a trailer connection seat and a cargo box connection frame;

[0006] The upper surface of the trailer connecting seat is provided with a slide groove along its length direction, and a plurality of guide columns are fixedly connected to the inside of the slide groove horizontally along its length direction, and a movable seat is slidably connected to the outer surfaces of the plurality of guide columns, and a plurality of first buffer springs are fixedly connected horizontally between the front end of the movable seat and the front end surface of the inside of the slide groove, and the top end of the movable seat is fixedly connected to the stand seat vertically, and the rear side surface of the stand seat is fixedly connected to two connecting cross plates horizontally, and the upper surfaces of the two connecting cross plates are vertically penetrated with pin holes.

[0007] Preferably, the front end of the cargo box connecting frame is transversely fixedly connected to a U-shaped connecting seat, and the inside of the U-shaped groove of the U-shaped connecting seat is transversely rotatably connected to a connecting block.

[0008] Preferably, the upper surface of the connecting block is vertically penetrated with a through groove arranged along its length direction, the inside of the through groove is laterally slidably connected with a sliding block, the top of the sliding block is vertically penetrated with a socket corresponding to the two pin holes, and a plurality of second buffer springs are laterally fixedly connected between the rear side surface of the sliding block and the rear end inside the through groove.

[0009] Preferably, a plurality of reinforcing ribs are fixedly connected between the upper surface of the movable seat and the outer surface of the standing seat.

[0010] Preferably, the connecting block is detachably mounted between the two connecting transverse plates via a bayonet.

[0011] Preferably, a plurality of reinforcing cross frames are fixedly connected transversely inside the cargo box connecting frame.

[0012] Beneficial effects

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: a trailer traction connection device with a buffering function of the present invention is divided into a two-section structure by arranging a first buffer spring and a second buffer spring. The trailer connecting seat is directly fixedly connected to the tail of the trailer, and the cargo box connecting frame is connected to the front end of the cargo box. In actual use, it is necessary to insert the connecting block between the two connecting cross plates and then connect the two to each other and install them together through a bayonet. After that, the cargo box can be driven to move under the drive of the trailer. If a sudden brake occurs during transportation, the cargo box will continue to move forward under the action of inertia. At this time, the movable seat will move forward inside the slide groove, and the connecting block will also move forward synchronously. The first buffer spring and the second buffer spring inside the two will jointly play a buffering effect to prevent the bayonet from being instantly subjected to excessive impact force in this process, thereby preventing it from deformation and other problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of the buffer part of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the cargo box connecting frame in the present utility model.

[0017] In the figure: 1-trailer connecting seat, 2-cargo box connecting frame, 3-chute, 4-guide column, 5-movable seat, 6-first buffer spring, 7-vertical seat, 8-connecting cross plate, 9-pin hole, 10-reinforcement rib, 11-U-shaped connecting seat, 12-connecting block, 13-sliding block, 14-second buffer spring, 15-reinforcement cross frame. DETAILED DESCRIPTION

[0018] In order to make the purpose, 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 only used to explain the present invention and are not intended to limit the present invention.

[0019] See also Figure 1-3 , the utility model provides a technical solution: a trailer traction connection device with a buffering function, comprising a trailer connection seat 1 and a cargo box connection frame 2;

[0020] A slide groove 3 is provided on the upper surface of the trailer connecting seat 1 along its length direction, and a plurality of guide columns 4 are fixedly connected to the inside of the slide groove 3 transversely along its length direction. A movable seat 5 is slidably connected to the outer surface of the plurality of guide columns 4, and a plurality of first buffer springs 6 are fixedly connected transversely between the front end of the movable seat 5 and the front end surface inside the slide groove 3. A stand 7 is fixedly connected to the top end of the movable seat 5 vertically, and two connecting transverse plates 8 are fixedly connected transversely to the rear side surface of the stand 7. Pin holes 9 are vertically penetrated through the upper surfaces of the two connecting transverse plates 8.

[0021] The front end of the cargo box connecting frame 2 is transversely fixedly connected to a U-shaped connecting seat 11, and the interior of the U-shaped groove of the U-shaped connecting seat 11 is transversely rotatably connected to a connecting block 12.

[0022] The upper surface of the connecting block 12 is vertically penetrated with a through groove arranged along its length direction, and the inside of the through groove is horizontally slidably connected with a sliding block 13, and the top of the sliding block 13 is vertically penetrated with a socket corresponding to the two pin holes 9, and a plurality of second buffer springs 14 are horizontally fixedly connected between the rear side surface of the sliding block 13 and the rear end inside the through groove.

[0023] The connecting block 12 is detachably mounted between the two connecting transverse plates 8 via a bayonet.

[0024] In this embodiment, the device is divided into a two-section structure. The trailer connecting seat 1 is directly fixedly connected to the tail of the trailer, and the cargo box connecting frame 2 is connected to the front end of the cargo box. In actual use, it is necessary to insert the connecting block 12 between the two connecting cross plates 8 and then connect the two together through a bayonet. After that, the cargo box can be driven to move under the drive of the trailer. If a sudden brake occurs during transportation, the cargo box will continue to move forward under the action of inertia. At this time, the movable seat 5 will move forward inside the slide groove 3, and the connecting block 12 will also move forward synchronously. The first buffer spring 6 and the second buffer spring 14 inside the two will jointly play a buffering effect to prevent the bayonet from being instantly subjected to excessive impact force during this process, thereby preventing it from deformation and other problems.

[0025] When performing the connection installation, first place the connecting block 12 between the two connecting horizontal plates 8 and adjust the position until the two pin holes 9 are aligned with the sockets of the sliding block 13, then insert the bayonet through the top pin hole 9 until its bottom end extends out of the bottom pin hole 9, and then use the card strip to limit the bayonet.

[0026] Furthermore, a plurality of reinforcing ribs 10 are fixedly connected between the upper surface of the movable seat 5 and the outer surface of the standing seat 7 .

[0027] In this embodiment, the plurality of reinforcing ribs 10 all serve to strengthen the connection, making the connection between the movable seat 5 and the standing seat 7 more stable and firm.

[0028] Furthermore, a plurality of reinforcing cross frames 15 are transversely fixedly connected to the interior of the cargo box connecting frame 2 .

[0029] In this embodiment, the reinforced cross frame 15 improves the overall stability of the cargo box connecting frame 2 .

[0030] The working principle and usage process of the present invention: the device is divided into a two-section structure, the trailer connecting seat 1 is directly fixedly connected to the tail of the trailer, and the cargo box connecting frame 2 is connected to the front end of the cargo box. In actual use, it is necessary to insert the connecting block 12 between the two connecting cross plates 8 and then connect the two through a bayonet to install them. After that, the cargo box can be driven to move under the drive of the trailer. If a sudden brake occurs during transportation, the cargo box will continue to move forward under the action of inertia. At this time, the movable seat 5 will move forward inside the slide groove 3, and the connecting block 12 will also move forward synchronously. The first buffer spring 6 and the second buffer spring 14 inside the two will jointly play a buffering effect to prevent the bayonet from being instantly subjected to excessive impact force during this process, thereby preventing it from deformation and other problems.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A trailer towing connection device with a buffering function, characterized in that: It comprises a trailer connecting seat (1) and a cargo box connecting frame (2); The upper surface of the trailer connecting seat (1) is provided with a slide groove (3) along its length direction, the interior of the slide groove (3) is transversely fixedly connected with a plurality of guide columns (4) along its length direction, the outer surfaces of the plurality of guide columns (4) are slidably connected with a movable seat (5), a plurality of first buffer springs (6) are transversely fixedly connected between the front end of the movable seat (5) and the front end surface inside the slide groove (3), the top end of the movable seat (5) is vertically fixedly connected with a stand (7), the rear side surface of the stand (7) is transversely fixedly connected with two connecting transverse plates (8), and the upper surfaces of the two connecting transverse plates (8) are vertically penetrated with pin holes (9).

2. A trailer towing connection device with a buffering function according to claim 1, characterized in that: The front end of the cargo box connecting frame (2) is transversely fixedly connected to a U-shaped connecting seat (11), and the interior of the U-shaped groove of the U-shaped connecting seat (11) is transversely rotatably connected to a connecting block (12).

3. A trailer towing connection device with a buffering function according to claim 2, characterized in that: The upper surface of the connecting block (12) is provided with a through slot arranged along its length direction, the interior of the through slot is connected to a sliding block (13) in a transverse sliding manner, the top of the sliding block (13) is provided with a socket corresponding to the two pin holes (9) in a vertical through slot, and a plurality of second buffer springs (14) are transversely fixedly connected between the rear side surface of the sliding block (13) and the rear end of the interior of the through slot.

4. The trailer towing connection device with a buffering function according to claim 1, characterized in that: A plurality of reinforcing ribs (10) are fixedly connected between the upper surface of the movable seat (5) and the outer surface of the standing seat (7).

5. The trailer towing connection device with a buffering function according to claim 3, characterized in that: The connecting block (12) is detachably mounted between the two connecting transverse plates (8) via a bayonet.

6. The trailer towing connection device with a buffering function according to claim 1, characterized in that: The interior of the cargo box connecting frame (2) is laterally fixedly connected with a plurality of reinforcing cross frames (15).

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