Semitrailer traction seat with buffering and damping structure

Abstract

The utility model is applicable to the technical field of semitrailer traction seats, and provides a semitrailer traction seat with a buffering and damping structure, which comprises a base, a saddle, a U-shaped rod and a protective plate, the upper surface of the base is fixedly connected with a bottom rod, the outer wall of the upper end of the bottom rod is slidably connected with a lantern ring, the lantern ring is fixedly connected to the lower surface of the saddle, and the U-shaped rod is fixedly connected with the saddle. The base is installed on a vehicle head through the installation bolts, the semitrailer is installed on the saddle through the bolts, the plug pin on the semitrailer is located in the U-shaped rod, when the saddle is extruded and impacted by a traction object, the semitrailer is installed on the saddle through the installation bolts, the plug pin is inserted into the U-shaped rod, and the spring is fixedly connected to the inner wall of the sleeve ring and located between the bottom rod and the sleeve ring. The spring is compressed by pressure to enable the lantern ring to descend, the spring has elastic jumping, the elastic jumping of the spring is restrained through the damper, and therefore the damper and the spring are used for absorbing and weakening extrusion impact borne by the saddle, and buffering is provided for the traction seat.

Description

Technical Field

[0001] This utility model belongs to the technical field of semi-trailer towing seats, and particularly relates to a semi-trailer towing seat with a buffer and shock absorption structure. Background Technology

[0002] The semi-trailer drawbar is a load-bearing component used to pull the semi-trailer body. It belongs to the chassis components of the tractor unit and has the function of engaging and locking with the semi-trailer body's drawbar pin through a locking mechanism. It is also a device that can transmit horizontal and vertical forces between the tractor unit and the semi-trailer body. The drawbar is crucial for semi-trailers.

[0003] The existing traction seat has a saddle plate on top and a base that are rotatably connected by a hinge. However, during vehicle movement, the large inertia of the carriage causes a significant impact on the saddle plate, and the traditional traction seat does not provide shock absorption. Utility Model Content

[0004] This utility model provides a semi-trailer towing seat with a buffer and shock absorption structure, which aims to solve the problem that the existing towing seat has a rotatable connection between the saddle plate and the base through a hinged seat. However, during vehicle operation, due to the large inertia of the cargo box, there is a large impact on the saddle plate, and the traditional towing seat does not have a shock absorption function.

[0005] This utility model is implemented as follows: a semi-trailer traction seat with a buffer and shock absorption structure includes a base, a saddle, a U-shaped rod, and a protective plate. A bottom rod is fixedly connected to the upper surface of the base, and a collar is slidably connected to the upper outer wall of the bottom rod. The collar is fixedly connected to the lower surface of the saddle, and a spring is fixedly connected to the inner wall of the collar. The spring is located between the bottom rod and the collar. One end of a damper is hinged to the upper surface of the base, and the other end of the damper is hinged to the saddle. The dampers are symmetrically distributed along the vertical center line of the saddle. Mounting bolts are threadedly connected to the upper surface of the base.

[0006] Preferably, a friction plate is fixedly connected to the lower surface of the mounting bolt.

[0007] Preferably, the lower surface of the saddle is fixedly connected with reinforcing ribs.

[0008] Preferably, the outer wall of the U-shaped rod is fixedly connected with a U-shaped reinforcing rib.

[0009] Preferably, a dustproof sleeve is fixedly connected to the lower surface of the collar.

[0010] Preferably, a buffer pad is fixedly connected to the outer wall of the bottom rod.

[0011] Compared with the prior art, the embodiments of this application have the following main advantages:

[0012] The base is mounted on the cab by mounting bolts, and the semi-trailer is mounted on the saddle by bolts. The pin on the semi-trailer is located inside the U-shaped rod. When the saddle is subjected to the squeezing impact of the towing load, the spring is compressed and the collar drops. The spring has an elastic bounce, which is suppressed by the damper. Thus, the damper and the spring absorb and weaken the squeezing impact on the saddle, providing a buffer for the towing seat. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the front sectional structure of this utility model;

[0015] Figure 3 This is a three-dimensional enlarged structural diagram of the dustproof cover of this utility model;

[0016] In the diagram: 1. Base; 2. Saddle; 3. U-shaped rod; 4. U-shaped reinforcing rib; 5. Protective plate; 6. Base rod; 7. Collar; 8. Spring; 9. Damper; 10. Reinforcing rib; 11. Mounting bolt; 12. Friction plate; 13. Buffer pad; 14. Dust cover. Detailed Implementation

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0018] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0019] This utility model embodiment provides a semi-trailer towing seat with a buffer and shock absorption structure, such as Figure 1-3As shown, the system includes a base 1, a saddle 2, a U-shaped rod 3, and a protective plate 5. A bottom rod 6 is fixedly connected to the upper surface of the base 1, and a collar 7 is slidably connected to the outer wall of the upper end of the bottom rod 6. The collar 7 is fixedly connected to the lower surface of the saddle 2, and a spring 8 is fixedly connected to the inner wall of the collar 7. The spring 8 is located between the bottom rod 6 and the collar 7. One end of a damper 9 is hinged to the upper surface of the base 1, and the other end of the damper 9 is hinged to the saddle 2. The dampers 9 are symmetrically distributed along the vertical center line of the saddle 2. A mounting bolt 11 is threadedly connected to the upper surface of the base 1.

[0020] It should be noted that, in existing towing seats, the saddle plate and base are rotatably connected by a hinge. However, during vehicle movement, the large inertia of the cargo box causes significant impact on the saddle plate, and traditional towing seats do not provide shock absorption. Therefore, to address this issue, this solution uses mounting bolts 11 to mount the base 1 onto the cab, and bolts the semi-trailer onto the saddle 2. The pin on the semi-trailer is located inside the U-shaped rod 3. When the saddle 2 is subjected to the impact of the towed load, the spring 8 is compressed, causing the collar 7 to descend. The spring 8 has an elastic bounce, which is suppressed by the damper 9. Thus, the damper 9 and the spring 8 absorb and weaken the impact of the compression on the saddle 2, providing cushioning for the towing seat.

[0021] In a further preferred embodiment of this utility model, such as Figure 3 As shown, a friction plate 12 is fixedly connected to the lower surface of the mounting bolt 11.

[0022] In this embodiment, the friction plate 12 increases the friction between the mounting bolt 11 and the base 1, preventing the mounting bolt 11 from rotating on the upper surface of the base 1.

[0023] In a further preferred embodiment of this utility model, such as Figure 1 As shown, a reinforcing rib 10 is fixedly connected to the lower surface of the saddle 2.

[0024] In this embodiment, the structural strength of the saddle 2 is improved by using the reinforcing rib 10.

[0025] In a further preferred embodiment of this utility model, such as Figure 1 As shown, a U-shaped reinforcing rib 4 is fixedly connected to the outer wall of the U-shaped rod 3.

[0026] In this embodiment, the structural strength of the U-shaped rod 3 is improved by using the U-shaped reinforcing rib 4.

[0027] In a further preferred embodiment of this utility model, such as Figure 2 As shown, a dustproof sleeve 14 is fixedly connected to the lower surface of the collar 7.

[0028] In this embodiment, the gap between the bottom rod 6 and the collar 7 is covered by the dustproof sleeve 14, preventing external dust from entering the collar 7.

[0029] In a further preferred embodiment of this utility model, such as Figure 3 As shown, a buffer pad 13 is fixedly connected to the outer wall of the bottom rod 6.

[0030] In this embodiment, the buffer pad 13 prevents the collar 7 from falling excessively and making rigid contact with the base 1, thus providing a buffer between the collar 7 and the base 1.

[0031] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0032] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0033] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0034] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A semi-trailer traction seat with a buffer and shock absorption structure, characterized in that, The base includes a base (1), a saddle (2), a U-shaped rod (3), and a protective plate (5). A bottom rod (6) is fixedly connected to the upper surface of the base (1), and a collar (7) is slidably connected to the upper outer wall of the bottom rod (6). The collar (7) is fixedly connected to the lower surface of the saddle (2), and a spring (8) is fixedly connected to the inner wall of the collar (7). The spring (8) is located between the bottom rod (6) and the collar (7). One end of a damper (9) is hinged to the upper surface of the base (1), and the other end of the damper (9) is hinged to the saddle (2). The dampers (9) are symmetrically distributed along the vertical center line of the saddle (2). A mounting bolt (11) is threadedly connected to the upper surface of the base (1).

2. A semi-trailer traction seat with a buffer and shock absorption structure as described in claim 1, characterized in that, A friction plate (12) is fixedly connected to the lower surface of the mounting bolt (11).

3. A semi-trailer traction seat with a buffer and shock absorption structure as described in claim 1, characterized in that, The lower surface of the saddle (2) is fixedly connected with a reinforcing rib (10).

4. A semi-trailer traction seat with a buffer and shock absorption structure as described in claim 1, characterized in that, The outer wall of the U-shaped rod (3) is fixedly connected with a U-shaped reinforcing rib (4).

5. A semi-trailer towing seat with a buffer and shock absorption structure as described in claim 1, characterized in that, A dustproof sleeve (14) is fixedly connected to the lower surface of the collar (7).

6. A semi-trailer traction seat with a buffer and shock absorption structure as described in claim 1, characterized in that, A buffer pad (13) is fixedly connected to the outer wall of the bottom rod (6).

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