Buffer type hard traction tow bar

By introducing connecting steel pipes, pipe connectors, and shock absorbers into the buffered rigid towing trailer bar, the problem of existing devices being unable to quickly replace or add towing pipes is solved, achieving improved flexibility and stability, and ensuring high efficiency and safety performance under various conditions.

CN223590486UActive Publication Date: 2025-11-25ZHONGFA AUTOMOBILE SERVICE (HEBEI) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520062315.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-12
Publication Date
2025-11-25
Estimated Expiration
2035-01-12

AI Technical Summary

Technical Problem

The existing buffer-type rigid towing trailer bar cannot be quickly replaced or have different lengths of towing steel pipes added according to the actual needs of the personnel, resulting in inconvenience and safety hazards.

Method used

The design includes a traction rod body, connecting steel pipe, pipe connector, shock absorber, and locking block. By setting grooves and slots on the connecting steel pipe and pipe connector, different types of traction pipes can be quickly replaced or added. The combination of springs and locking blocks provides buffering and shock absorption functions.

Benefits of technology

It enables the flexibility of quickly replacing or adding traction pipes according to actual needs, improves the stability and safety of the device, reduces the risk of connection failure caused by vibration or external force, and enhances the ease of operation and the reliability of the overall structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223590486U_ABST
    Figure CN223590486U_ABST
Patent Text Reader

Abstract

The utility model provides a buffering type hard traction tow bar which comprises a traction rod body, connecting steel pipes are arranged at the two side ends of the traction rod body respectively, a plurality of third grooves are formed in the circumferential surfaces of the two connecting steel pipes respectively, springs are fixedly connected into the third grooves respectively, clamping blocks are fixedly connected to one side ends of the springs respectively, and the clamping blocks are fixedly connected to the other side ends of the springs respectively. By means of the design, the problem that an original device cannot replace or increase steel pipes with different lengths according to actual needs of personnel is solved, the mounting and dismounting process is simplified, operation convenience is improved, high efficiency and safety performance under various working conditions are ensured, and the working efficiency is improved. And meanwhile, the problem that different types of traction pipes cannot be rapidly replaced or added according to actual conditions in an original device is solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a buffer type hard traction trailer lever belongs to motor vehicle equipment technical field. BACKGROUND

[0002] When the motor vehicle is stranded or has a fault and needs to be pulled to somewhere else, it must be pulled by a traction tool. At present, the traction tool of 00021 is to use a traction rope to pull, but there are many defects in using the traction rope to pull. First, using the traction rope to pull is a soft traction, and when downhill, if the front vehicle is decelerated, the rear vehicle will rush forward, the traction rope will be loose, even the traction rope will be wound up, the distance between the two vehicles will be shortened, and the two vehicles are prone to scratch and even collision. When the front vehicle accelerates, the two vehicles will suddenly straighten the traction rope, and the front vehicle and the rear vehicle will vibrate, the traction rope is easy to break, and the driver is even difficult to hold the steering wheel and accidents occur.

[0003] Publication No. CN206781456U discloses a buffer type hard traction trailer lever, which comprises a telescopic traction lever, wherein the telescopic traction lever comprises a traction ring A, a connecting sleeve A, a traction rod, a connecting sleeve B and a traction ring B, the other end of the connecting sleeve B is connected with the traction ring B through a pin shaft, and the traction ring A, the connecting sleeve A, the traction rod, the connecting sleeve B and the traction ring B cooperate to form the telescopic traction lever. The buffer type hard traction trailer lever eliminates the connection gap between the traction ring and the traction rod in the prior art, the structure design of the connecting ribs on the buffer sleeve facilitates the connection of the bolts and the buffer rod, the buffer structure design of the two buffer springs and the buffer sleeve and the buffer rod eliminates the backward pulling force and the forward pushing force of the towed vehicle on the towing vehicle, the buffer sleeve and the buffer rod can be adjusted by 360 degrees, the buffer type hard traction trailer lever also has the effect of preventing the towed vehicle from colliding with the towing vehicle, and hidden dangers are eliminated, safe traction is obtained. However, the above-mentioned patent cannot replace or increase steel pipes of different lengths according to actual needs of personnel, and there is an urgent need for a buffer type hard traction trailer lever to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] In view of the defects in the prior art, the utility model aims to provide a buffer type hard traction trailer lever to solve the problems in the background art. The utility model can effectively solve the problem of increasing or replacing traction steel pipes of different lengths due to different actual needs of personnel.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a buffer type hard traction trailer lever, comprising a traction rod body, the two side ends of the traction rod body are respectively provided with connecting steel pipes, the circumferential surfaces of the two connecting steel pipes are respectively provided with a plurality of third grooves, a plurality of springs are fixedly connected in the third grooves, and a plurality of clamping blocks are fixedly connected to one side of the springs.

[0006] Further, the circumferential surface of the two connecting steel pipes is sleeved with a pipeline connector, and a first groove is formed in one side end of the pipeline connector.

[0007] Further, a damping sheet is arranged in the first groove, and a plurality of clamping grooves are formed in the circumferential surface of the pipeline connector.

[0008] Further, the size of the clamping grooves is matched with that of the clamping blocks, and the clamping blocks are arranged in the clamping grooves.

[0009] Further, a second groove is formed in one side end of the traction rod body, and a traction rod is arranged in the second groove.

[0010] Further, the connecting steel pipe and the damping sheet are made of iron material.

[0011] The utility model discloses a kind of hard traction trailer poles of buffer type, because the utility model adds, elastic column, damping sheet, spring, clamping block, pipeline connector is improved by our design and actual use shows, the device structure is reasonable, practicality is good, the device avoids the problem that original device cannot be quickly replaced or increased different kinds of traction pipe according to actual situation. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0013] Figure 1 It is the whole structure perspective schematic diagram of the utility model of a kind of hard traction trailer poles of buffer type;

[0014] Figure 2 It is the first view cross-sectional schematic diagram of the utility model of a kind of hard traction trailer poles of buffer type;

[0015] Figure 3 It is the second view cross-sectional schematic diagram of the utility model of a kind of hard traction trailer poles of buffer type;

[0016] Figure 4 It is Figure 3 Enlarged view in A of Fig.

[0017] In the drawing: 1-traction rod body;2-connecting steel pipe;3-pipeline connector;4-first groove;5-damping sheet;6-second groove;7-traction rod;8-third groove;9-spring;10-clamping block;11-clamping groove. DETAILED DESCRIPTION

[0018] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0019] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a buffer type hard traction trailer lever, including traction pull rod body 1, the two side ends of traction pull rod body 1 are equipped with connecting steel pipe 2, the circumferential surface of two connecting steel pipes 2 is all provided with multiple third grooves 8, multiple third grooves 8 are all fixedly connected with spring 9, the side end of multiple spring 9 is all fixedly connected with clamping block 10, and the device solves the problem that original device cannot quickly replace or increase different kinds of traction pipe according to actual situation.

[0020] As a first embodiment of the utility model: two connecting steel pipes 2's circumference surface all set up with pipeline connector 3, one side end of two pipeline connectors 3 all set up with first recess 4, through pipeline connector 3 firmly fixed together connecting steel pipe 2, strengthened the stability and sealing of pipeline connection, reduced the risk of leakage, the setting of first recess 4 provides additional connection point or mounting position, can be used to install other accessories or tools, increase the multifunctionality and flexibility of connection, also facilitate quick disassembly and reinstallation when needed, improve the convenience of maintenance and operation. Two first recesses 4 all are equipped with shock pad 5, the circumference surface of two pipeline connectors 3 all set up with multiple clamping grooves 11, through setting shock pad 5 in first recess 4, can effectively absorb and reduce the stress generated in the process of using pipeline due to vibration or impact, improve the stability and durability of connection, reduce the wear and tear of pipeline and connector, multiple clamping grooves 11 on the circumference surface of pipeline connector 3 provide additional fixing point, can be used to install fastener or other connecting device, further enhance the firmness and reliability of connection, at the same time these clamping grooves 11 can also play the role of anti-skid and positioning, ensure that the connector will not be easily displaced in the process of installation and use, improve the stability and safety of overall system. The size of multiple clamping grooves 11 is matched with multiple clamping blocks 10, and multiple clamping blocks 10 are respectively arranged in multiple clamping grooves 11, through the accurate matching of clamping groove 11 and clamping block 10, the tightness and stability of connection are ensured, the loosening or falling off of connecting parts in the process of use is prevented, clamping block 10 is embedded in clamping groove 11, not only enhances the firmness of connection, but also provides additional locking mechanism, further improves the reliability and shock resistance of overall structure, reduces the risk of connection failure caused by vibration or external force, at the same time, this design also facilitates installation and disassembly, improves the convenience of maintenance and operation. The side end of traction rod body 1 is provided with second recess 6, traction rod 7 is arranged in second recess 6, by setting second recess 6 on the side end of traction rod body 1, a space for embedding and fixing traction rod 7 is provided, the stability and firmness of traction rod 7 in the process of use are ensured, the design of second recess 6 not only enhances the compactness and integration degree of overall structure, but also reduces exposed parts, reduces the damage risk caused by collision or external interference, at the same time, this embedded design facilitates the installation and disassembly of traction rod 7, improves the convenience of maintenance and operation, ensures the reliability and safety under various working conditions. The material of connecting steel pipe 2 and shock pad 5 is iron material, prolongs the service life.

[0021] As a second embodiment of the utility model: through setting multiple third grooves 8 on the circumferential surface of the connecting steel pipe 2 and fixing the spring 9 and the clamping block 10 in the third grooves 8, the buffering and damping functions are provided, the impact force in the traction process is effectively absorbed and dispersed, the stability and comfort of the traction are improved, the combination design of the spring 9 and the clamping block 10 makes the traction pull rod can be quickly replaced or increased with different kinds of traction pipes according to the actual situation, the flexibility and adaptability of the device are enhanced, meanwhile, the design also simplifies the installation and dismounting process, improves the convenience of operation, ensures the high efficiency and safety performance under various working conditions.

[0022] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which 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 instead of the above description, 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 figure reference in the claims should not be regarded as limiting the claims involved.

[0023] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A buffer-type rigid towing trailer bar, comprising a towing rod body (1), characterized in that, The two ends of the traction rod body (1) are respectively provided with connecting steel pipes (2). Multiple third grooves (8) are opened on the circumferential surface of the two connecting steel pipes (2). Springs (9) are fixedly connected in the multiple third grooves (8). A locking block (10) is fixedly connected to one side of the multiple springs (9).

2. The buffer-type rigid towing trailer bar according to claim 1, characterized in that: Both of the connecting steel pipes (2) are fitted with pipe connectors (3) on their circumferential surfaces, and each of the two pipe connectors (3) has a first groove (4) on one side.

3. The buffer-type rigid towing trailer bar according to claim 2, characterized in that: Both of the first grooves (4) are provided with shock-absorbing pads (5), and both of the pipe connectors (3) have multiple slots (11) on their circumferential surfaces.

4. The buffer-type rigid towing trailer bar according to claim 3, characterized in that: The dimensions of the plurality of card slots (11) are matched with the plurality of card blocks (10), and the plurality of card blocks (10) are respectively disposed in the plurality of card slots (11).

5. A buffer-type rigid towing trailer bar according to claim 1, characterized in that: A second groove (6) is provided on one side end of the traction rod body (1), and a traction rod (7) is provided in the second groove (6).

6. A buffer-type rigid towing trailer bar according to claim 3, characterized in that: The connecting steel pipe (2) and the shock absorber (5) are made of iron.

Citation Information

Patent Citations

  • Hard tractor -trailer thick stick of buffering formula

    CN206781456U