Trailer wheel with damping function

Abstract

The trailer wheel with the damping function comprises a first wheel fork, the first wheel fork is in an inverted U shape, a wheel body is rotationally connected between two fork feet on one side of an opening of the first wheel fork, the top of the first wheel fork is slidably connected with a fork shaft assembly, and the fork shaft assembly is used for being connected with a trailer body; the first wheel fork is in sliding fit with the fork shaft assembly, a shock absorber is arranged between the first wheel fork and the fork shaft assembly, the shock absorber supports the fork shaft assembly, and the fork shaft assembly moves in the vertical direction relative to the first wheel fork when the shock absorber absorbs or releases energy. The shock absorption device has the advantages that the shock absorption effect is achieved, the service life of the vehicle body is effectively prolonged, the structural design is reasonable, the cost is low, and the market blank is filled.

Description

Technical Field

[0001] The utility model relates to the technical field of trailer wheels, in particular to a trailer wheel with a shock absorbing function. Background Art

[0002] A camp trailer is a foldable, towable cargo vehicle. It is widely used in transporting things because it is easy to use, can carry cargo, is easy to store, and saves time and effort. It is now often used in outdoor activities or short-distance transportation.

[0003] Due to structural and cost limitations, most existing camp trailer wheels do not have a shock-absorbing effect. When traveling on uneven roads, vibrations will be transmitted to the vehicle body through the wheels. Under such vibrations, the mating parts of the vehicle body brackets are prone to loosening. Over time, the vehicle body brackets have a low service life and are prone to breakage.

[0004] Therefore, it is urgent to design a trailer wheel with a shock absorbing function to overcome the above-mentioned deficiencies of one or more prior arts. Utility Model Content

[0005] The utility model adopts the technical solution to solve the above technical problems as follows: to provide a trailer wheel with a shock-absorbing function, characterized in that it comprises: a first wheel fork, the first wheel fork is in an inverted "凵" shape, a wheel is rotatably connected between two fork feet on one side of the opening of the first wheel fork, a fork shaft assembly is slidably connected to the top of the first wheel fork, the fork shaft assembly is used to be connected to the trailer body, a shock absorber is provided between the first wheel fork and the fork shaft assembly, the shock absorber supports the fork shaft assembly, and the fork shaft assembly moves vertically relative to the first wheel fork when the shock absorber absorbs or releases energy.

[0006] In a preferred embodiment, the shock absorber is arranged at the top of the first wheel fork, and at least two shock absorbers are provided, and the shock absorbers are respectively fixed at two ends of the top of the first wheel fork.

[0007] In a preferred embodiment, a receiving groove is provided on the top of the first wheel fork, and the shock absorber is located in the receiving groove.

[0008] In a preferred embodiment, the fork shaft assembly includes: a rotating shaft and a connecting plate; the rotating shaft is arranged in the middle of one side of the connecting plate, the connecting plate is located in the accommodating groove and can slide in the accommodating groove, and the top end of the shock absorber is connected to a side of the connecting plate facing away from the rotating shaft.

[0009] In a preferred embodiment, a limiting block extending inwardly is provided at the top of the accommodating groove.

[0010] In a preferred embodiment, the fork shaft assembly includes: a rotating shaft, a connecting plate, and a second fork; the second fork is in an inverted "U" shape, the top of the second fork is also open, the second fork is slidably sleeved outside the first fork, a chute is provided at the fork feet of the second fork, the chute is adapted to the fork feet of the first fork, the rotating shaft is fixedly arranged in the middle of the connecting plate, and one side of the connecting plate facing away from the rotating shaft is connected to the top of the second fork.

[0011] In a preferred embodiment, a reinforcing rib is further provided between the fork feet of the first fork and the receiving groove.

[0012] In a preferred embodiment, the shock absorber is a spring, and a limiting post is arranged in the receiving groove, and the limiting post is located inside the spring.

[0013] The beneficial effect of the present utility model is that: in this application, by slidingly matching the first fork with the fork shaft assembly and arranging a shock absorber between the two, some small vibrations are filtered and the vibrations are buffered, so as to achieve the shock absorption effect, effectively improve the service life of the vehicle body, and the structure design is reasonable, the cost is low, filling the market gap. Description of the Drawings

[0014] Figure 1 is a structural schematic diagram of the present utility model;

[0015] Figure 2 is an exploded view of the present utility model;

[0016] Figure 3 is a structural schematic diagram of the first fork of the present utility model;

[0017] Figure 4 is a structural schematic diagram of the second fork of the present utility model;

[0018] Figure 5 is a matching schematic diagram of the first fork and the second fork of the present utility model.

[0019] In the figure:

[0020] 10. First fork; 11. Wheel; 12. Reinforcing rib; 13. Receiving groove; 14. Limiting post;

[0021] 20. Fork shaft assembly; 21. Rotating shaft; 22. Connecting plate; 23. Second fork; 24. Chute;

[0022] 30. Shock absorber. Detailed Embodiments

[0023] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0024] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "communication" can be a direct communication or an indirect communication through an intermediate medium. Among them, "fixing" means that they are connected to each other and the relative position relationship after connection remains unchanged. The orientation terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only with reference to the direction of the accompanying drawings. Therefore, the orientation terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation on the embodiments of the present utility model.

[0025] In the embodiments of the present utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0026] In the embodiments of the present utility model, "and / or" is merely a description of the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this article generally represents an "or" relationship between the associated objects before and after.

[0027] References to "one embodiment" or "some embodiments" or the like described in this specification mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present utility model. Thus, statements such as "in one embodiment", "in some embodiments", "in other some embodiments", "in still other embodiments", etc. that appear in different places in this specification do not necessarily all refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized. The terms "comprising", "including", "having" and their variants all mean "including but not limited to", unless otherwise specifically emphasized. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0028] As Figures 1-5 shown, the present utility model provides a trailer wheel with a shock absorption function, which is characterized by comprising: a first fork 10, the first fork 10 being in an inverted "U" shape, there is a wheel 11 rotatably connected between two fork feet on the open side of the first fork 10, a fork shaft assembly 20 is slidably connected to the top of the first fork 10, the fork shaft assembly 20 is used for connecting with a trailer body, a shock absorber 30 is arranged between the first fork 10 and the fork shaft assembly 20, the shock absorber 30 supports the fork shaft assembly 20, and when the shock absorber 30 absorbs or releases energy, the fork shaft assembly 20 moves vertically relative to the first fork 10.

[0029] Specifically, the first fork 10 is in an inverted "U" shape, with no opening at the top and an opening at the bottom, and the two sides of the opening are fork feet. A wheel 11 is rotatably connected between the two fork feet. The wheel 11 can be a conventional rubber wheel or a wheel with a motor hub. A fork shaft assembly 20 is slidably connected to the top of the first fork 10, and the fork shaft assembly 20 is connected to an external vehicle body. The connection method can be determined according to its own use. For example, when used as a steering wheel, it is horizontally rotatably connected to the external vehicle body. At this time, the first fork 10 can rotate horizontally relative to the external vehicle body to drive the wheel 11 to rotate horizontally to achieve steering. If it is not used as a steering wheel, it is fixedly connected to the external vehicle body, which can be determined according to the actual use position. To filter out some fine vibrations, a shock absorber 30 is also installed between the first fork 10 and the fork shaft assembly 20. The shock absorber 30 supports the fork shaft assembly 20. When traveling on an uneven road surface, due to the sliding connection, the fork shaft assembly 20 will slide up and down relative to the first fork 10. The shock absorber 30 can reduce the movement amplitude of the fork shaft assembly 20, play a certain buffering role, and filter out some small movements, thereby avoiding excessive vibrations being transmitted to the external vehicle body and improving the service life of the vehicle body.

[0030] Further, the shock absorber 30 is disposed at the top of the first fork 10, and there are at least two shock absorbers 30, which are respectively fixedly disposed at both ends of the top of the first fork 10;

[0031] Specifically, to improve the shock absorption effect and balance, there are at least two shock absorbers 30. The two shock absorbers 30 are disposed at both ends of the top of the first fork 10. When the fork shaft assembly 20 is slidably connected to the first fork 10, the two shock absorbers 30 respectively support both ends of the fork shaft assembly 20, ensuring the balance of the fork shaft assembly 20 during movement while improving the shock absorption effect.

[0032] It should be noted that since the double shock absorbers 30 are still connected to the fork shaft assembly 20 at a single point at both ends, to further improve the balance of the fork shaft assembly 20 during movement, there are four shock absorbers 30. Two shock absorbers 30 are located at one end, and the other two shock absorbers 30 are located at the other end, and the two shock absorbers 30 at each end are spaced apart, supporting the fork shaft assembly 20 through four points, thereby further improving the balance of the fork shaft assembly 20 during movement.

[0033] Further, in this embodiment, a receiving groove 13 is formed at the top of the first fork 10, and the shock absorber 30 is located in the receiving groove 13;

[0034] Specifically, to prevent the shock absorber 30 from being exposed, a receiving groove 13 is formed at the top of the first fork 10. The shock absorber 30 is disposed in the receiving groove 13, and the fork shaft assembly 20 covers the receiving groove 13, thereby preventing the shock absorber 30 from being exposed.

[0035] Further, a reinforcing rib 12 is further provided between the fork leg of the first fork 10 and the receiving groove 13;

[0036] Specifically, to improve the firmness of the first fork 10, a reinforcing rib 12 is also provided at the angle between the fork leg of the first fork 10 and the receiving groove 13. By providing the reinforcing rib 12, the firmness of the fork leg is improved.

[0037] Further, the shock absorber 30 is a spring, and a limiting post 14 is provided in the receiving groove 13, and the limiting post 14 is located inside the spring;

[0038] Specifically, in this embodiment, since the shock absorption requirement is not high, the shock absorber 30 is preferably a spring, which can play a certain buffering role. A limiting post 14 is also provided in the receiving groove 13, and the number of limiting posts 14 is the same as that of the shock absorbers 30, which is used to prevent the spring from tilting.

[0039] On the basis of the above, the fork shaft assembly 20 has two installation methods. One is that it includes a rotating shaft 21 and a connecting plate 22. The rotating shaft 21 is fixedly connected to the middle of the connecting plate 22. The connecting plate 22 is adapted to the receiving groove 13, is located in the receiving groove 13, and can slide up and down in the receiving groove 13. The top end of the shock absorber 30 is connected to the side of the connecting plate 22 away from the connecting rotating shaft 21. When subjected to force, the connecting plate 22 moves up and down in the receiving groove 13. In order to prevent the connecting plate 22 from detaching from the receiving groove 13 during use, an inwardly extending limit block (not shown in the figure) can also be provided at the top of the receiving groove 13. The limit block can be welded to the top of the receiving groove 13 by welding after the connecting plate 22 is placed in the receiving groove 13, thereby limiting the movement distance of the connecting plate 22.

[0040] The second method comprises a rotating shaft 21, a connecting plate 22, and a second wheel fork 23. The second wheel fork 23 is also in an inverted shape, but the top and bottom of the second wheel fork 23 are both open for easy installation. The opening area of ​​the top of the second wheel fork 23 is larger than the width and length of the first wheel fork 10, so that the second wheel fork 23 can be sleeved on the outside of the first wheel fork 10. The two fork legs of the second wheel fork 23 are respectively provided with a slide groove 24 on one side opposite to the other. The slide groove 24 is adapted to the fork leg of the first wheel fork 10, and the slide groove 24 is slidably matched with the fork leg of the first wheel fork 10. During installation, the second wheel fork 23 is inserted upward onto the first wheel fork 10 from the bottom of the first wheel fork 10 through the top opening of the second wheel fork 23, the fork foot of the first wheel fork 10 is located in the slide groove 24, the connecting plate 22 is connected to the top of the second wheel fork 23, the rotating shaft 21 is fixedly connected to the middle part of the connecting plate 22, the shock absorber 30 is located in the accommodating groove at the top of the first wheel fork 10, when the second wheel fork 23 is inserted onto the first wheel fork 10, the top of the shock absorber 30 is connected to the second wheel fork 23, and when subjected to force, the second wheel fork 23 moves up and down relative to the first wheel fork 10.

[0041] It should be pointed out that when the second wheel fork 23 is sleeved on the first wheel fork 10 , the reinforcing rib 12 needs to avoid the slide groove 24 to prevent the reinforcing rib 12 from blocking the slide groove 24 .

[0042] To summarize, the present application achieves a shock-absorbing effect by slidingly fitting the first wheel fork and the fork shaft assembly and setting a shock absorber between the two to filter out some small vibrations and buffer vibrations, thereby effectively improving the service life of the vehicle body. The structural design is reasonable and the cost is low, filling the market gap.

[0043] The present invention is not limited to what is described in the specification and implementation modes, and therefore, additional advantages and modifications can be easily realized by those familiar with the art. Therefore, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details, representative devices, and illustrative examples shown and described herein.

Claims

1. A trailer wheel with shock absorbing function, characterized in that: Comprising: A first-round fork, the first-round fork being in an inverted "U" shape. Between the two fork feet on the open side of the first-round fork, a wheel is rotatably connected. At the top of the first-round fork, a fork shaft assembly is slidably connected. The fork shaft assembly is used to connect with the trailer body. A shock absorber is provided between the first-round fork and the fork shaft assembly. The shock absorber supports the fork shaft assembly. When the shock absorber absorbs or releases energy, the fork shaft assembly moves vertically relative to the first-round fork.

2. The trailer wheel with shock absorbing function according to claim 1, characterized in that: The shock absorber is provided at the top of the first-round fork. There are at least two shock absorbers, and the shock absorbers are respectively fixedly provided at both ends of the top of the first-round fork.

3. The trailer wheel with shock absorbing function according to claim 2, characterized in that: A receiving groove is formed at the top of the first-round fork, and the shock absorber is located in the receiving groove.

4. The trailer wheel with shock absorbing function according to claim 3, characterized in that: The fork shaft assembly includes: a rotating shaft and a connecting plate; the rotating shaft is provided in the middle of one side of the connecting plate. The connecting plate is located in the receiving groove and can slide in the receiving groove. The top end of the shock absorber is connected to the side of the connecting plate facing away from the rotating shaft.

5. The trailer wheel with shock absorbing function according to claim 4, characterized in that: Limit blocks extending inward are provided at the top of the receiving groove.

6. The trailer wheel with shock absorbing function according to claim 3, characterized in that: The fork shaft assembly includes: a rotating shaft, a connecting plate, and a second-round fork; the second-round fork is in an inverted "U" shape, and the top of the second-round fork is also open. The second-round fork is slidably sleeved outside the first-round fork. A sliding groove is provided on the fork feet of the second-round fork, and the sliding groove is adapted to the fork feet of the first-round fork. The rotating shaft is fixedly provided in the middle of the connecting plate, and the side of the connecting plate facing away from the rotating shaft is connected to the top of the second-round fork.

7. The trailer wheel with shock absorbing function according to claim 3, characterized in that: Reinforcing ribs are further provided between the fork feet of the first-round fork and the receiving groove.

8. The trailer wheel with shock absorbing function according to claim 3, characterized in that: The shock absorber is a spring, and a limiting post is provided in the receiving groove. The limiting post is located inside the spring.

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