Folding trailer frame and folding trailer
By introducing a slider mechanism into the folding trailer frame, the problem of greater driving force in the folding process in the prior art is solved, and a more labor-saving folding process is achieved, and the convenience of use is improved.
Patent Information
- Application Number
- CN202421491794.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-27
AI Technical Summary
Existing sheet-shaped folding trailers require a greater driving force during the folding process, which leads to inconvenience for users with less force.
A folding trailer frame is designed, including a bottom frame, a front frame, a rear frame and a slide mechanism. The slide mechanism realizes labor-saving sliding during folding through the hinge and sliding connection of the first front slide, the second front slide, the first front link, the second front link, the first rear slide, the first rear link and the second rear link.
Through the design of the slider mechanism, the driving force required during the folding process is reduced, and the convenience of use is improved, which is especially suitable for users with less force.
Smart Images
Figure CN222663475U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of trailers, in particular to a foldable trailer frame and a foldable trailer. Background Art
[0002] Chinese patent CN213442654U discloses a novel sheet-like folding trailer, which is connected to a frame by a sliding sleeve and then folded by connecting rods hinged to each other. Since the sliding sleeve and the connection are at a small set angle when it is unfolded, a large driving force is required to move the sliding sleeve when it needs to be folded, which is very inconvenient for users with less strength to use. Utility Model Content
[0003] The utility model provides a folding trailer frame, which uses less driving force during the folding process and improves the convenience of use.
[0004] In order to solve the above technical problems, the utility model provides a folding trailer frame, comprising:
[0005] A bottom frame, wherein the bottom frame is a foldable frame;
[0006] A front frame, disposed at the front end of the bottom frame, the front frame being connected to the front end of the bottom frame;
[0007] A rear frame, disposed at the rear end of the bottom frame, the rear frame being connected to the rear end of the bottom frame;
[0008] A slider mechanism, wherein the slider mechanism is arranged on the side of the bottom frame, the slider mechanism includes a first front slider, a second front slider, a first front link, a second front link, a first rear slider, a second rear slider, a first rear link and a second rear link, the first end of the second front link and the first end of the second rear link are hinged, the second end of the second front link is close to the front frame, the second front link is hinged to the side of the bottom frame, the second end of the second front link is hinged to the second front slider, the second front slider is slidably connected to the first front link so that the second front slider can move along the length direction of the first front link, and the first front link is hinged to the second front slider. The first front slider is hinged, and the first front slider is slidably connected to the front frame so that the first front slider can move on the front frame in a vertical direction. The second end of the second rear link is close to the rear frame, the second rear link is hinged to the side of the bottom frame, the second end of the second rear link is hinged to the second rear slider, the second rear slider is slidably connected to the first rear link so that the second rear slider can slide along the length direction of the first rear link, the first rear link is hinged to the first rear slider, and the first rear slider is slidably connected to the rear frame so that the first rear slider can move on the rear frame in a vertical direction.
[0009] As a preferred embodiment of the above technical solution, slider mechanisms are respectively provided on both sides of the bottom frame.
[0010] As a preferred embodiment of the above technical solution, the front frame has at least a front vertical rod segment, and the first front sliding block is sleeved on the front vertical rod segment to form a sliding connection.
[0011] As a preferred embodiment of the above technical solution, the rear frame has at least a rear vertical rod segment, and the first rear sliding block is sleeved on the rear vertical rod segment to form a sliding connection.
[0012] As a preferred embodiment of the above technical solution, the first front connecting rod is hinged to the side of the bottom frame, and the first rear connecting rod is hinged to the side of the bottom frame.
[0013] As a preferred embodiment of the above technical solution, the second front slider is sleeved on the first front connecting rod to form a sliding connection, and the second rear slider is sleeved on the first rear connecting rod to form a sliding connection.
[0014] As a preferred embodiment of the above technical solution, a roller is provided at the bottom of the bottom frame, and the roller is detachably connected to the bottom frame.
[0015] As a preferred embodiment of the above technical solution, the foldable trailer frame also includes a handle, the handle is connected to the bottom frame, and the handle is a telescopic handle.
[0016] As a preferred embodiment of the above technical solution, the bottom frame includes a first bottom frame and a second bottom frame, the ends of the first bottom frame and the second bottom frame are hinged together, the first bottom frame is hinged to the front frame, the second bottom frame is hinged to the rear frame, the hinge positions of the second front link and the second rear link correspond to the hinge positions of the first bottom frame and the second bottom frame, the first front link and the first rear link are symmetrically arranged and extend obliquely downward, the hinge positions of the second front link and the second rear link are located below the bottom frame, and the hinge positions of the first bottom frame and the second bottom frame are provided with a first positioning block and a second positioning block, the first positioning block is connected to the first bottom frame, the second positioning block is connected to the second bottom frame, and the first positioning block and the second positioning block are hinged.
[0017] Another aspect of the utility model provides a folding trailer, characterized in that it comprises a folding trailer frame as described above and a containing component, wherein the containing component is connected to the folding trailer frame.
[0018] The utility model provides a folding trailer frame, which comprises a bottom frame, a front frame, a rear frame and a slider mechanism, wherein the slider mechanism comprises a first front slider, a second front slider, a first front connecting rod, a second front connecting rod, a first rear slider, a second rear slider, a first rear connecting rod and a second rear connecting rod, and when folding, the first front slider slides vertically on the front frame, the second front slider slides along the first front connecting rod, and the first rear slider slides vertically on the rear frame, and the second rear slider slides along the first rear connecting rod, which can make folding more labor-saving and improve the convenience of use.
[0019] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 A schematic structural diagram of a foldable trailer frame in an unfolded state is shown in this embodiment;
[0021] Figure 2 A schematic structural diagram of a foldable trailer frame in a folded state is shown in this embodiment;
[0022] In the figure: 10, bottom frame; 20, front frame; 30, rear frame; 40, handle; 50, roller; 60, slider mechanism; 70, first positioning block; 80, second positioning block; 101, first bottom frame; 102, second bottom frame; 201, front vertical rod segment; 301, rear vertical rod segment; 601, first front slider; 602, first front connecting rod; 603, second front slider; 604, second front connecting rod; 605, second rear connecting rod; 606, second rear slider; 607, first rear connecting rod; 608, first rear slider. DETAILED DESCRIPTION
[0023] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1 to Figure 2 The present utility model provides a folding trailer frame, comprising:
[0025] A bottom frame 10, which is a foldable frame;
[0026] The front frame 20 is disposed at the front end of the bottom frame 10, and the front frame 20 is connected to the front end of the bottom frame 10;
[0027] The rear frame 30 is disposed at the rear end of the bottom frame 10, and the rear frame 30 is connected to the rear end of the bottom frame 10;
[0028] The slider mechanism 60 is arranged on the side of the bottom frame 10, and the slider mechanism 60 includes a first front slider 601, a second front slider 603, a first front link 602, a second front link 604, a first rear slider 608, a second rear slider 606, a first rear link 607 and a second rear link 605. The first end of the second front link 604 and the first end of the second rear link 605 are hinged, and the second end of the second front link 604 is close to the front frame 20. The second front link 604 is hinged to the side of the bottom frame 10, and the second end of the second front link 604 is hinged to the second front slider 603. The second front slider 603 is slidably connected to the first front link 602 so that the second front slider 603 can move along the length direction of the first front link 602. The first front link 602 is hinged to the first front slider 601, the first front slider 601 is slidably connected to the front frame 20 so that the first front slider 601 can move in the vertical direction on the front frame 20, the second end of the second rear link 605 is close to the rear frame 30, the second rear link 605 is hinged to the side of the bottom frame 10, the second end of the second rear link 605 is hinged to the second rear slider 606, the second rear slider 606 is slidably connected to the first rear link 607 so that the second rear slider 606 can slide along the length direction of the first rear link 607, the first rear link 607 is hinged to the first rear slider 608, the first rear slider 608 is slidably connected to the rear frame 30 so that the first rear slider 608 can move in the vertical direction on the rear frame 30.
[0029] The present embodiment provides a folding trailer frame, which includes a bottom frame 10, a front frame 20, a rear frame 30 and a slider mechanism 60. The slider mechanism 60 includes a first front slider 601, a second front slider 603, a first front connecting rod 602, a second front connecting rod 604, a first rear slider 608, a second rear slider 606, a first rear connecting rod 607 and a second rear connecting rod 605. When folding, the first front slider 601 slides vertically on the front frame 20, the second front slider 603 slides along the first front connecting rod 602, and the first rear slider 608 slides vertically on the rear frame 30, and the second rear slider 606 slides along the first rear connecting rod 607, which can make folding more labor-saving and improve the convenience of use.
[0030] In a further possible implementation of this embodiment, slider mechanisms 60 are respectively provided on both sides of the bottom frame 10 .
[0031] In a further possible implementation of this embodiment, the front frame 20 at least has a front vertical rod segment 201 , and the first front sliding block 601 is sleeved on the front vertical rod segment 201 to form a sliding connection.
[0032] In a further possible implementation of this embodiment, the rear frame 30 at least has a rear vertical rod section 301 , and the first rear sliding block 608 is sleeved on the rear vertical rod section 301 to form a sliding connection.
[0033] In a further embodiment of the present invention, the first front link 602 is hinged to the side of the bottom frame 10 , and the first rear link 607 is hinged to the side of the bottom frame 10 .
[0034] In a further embodiment of the present invention, the second front slider 603 is sleeved on the first front connecting rod 602 to form a sliding connection, and the second rear slider 606 is sleeved on the first rear connecting rod 607 to form a sliding connection.
[0035] In a further implementable embodiment of the present invention, a roller 50 is disposed at the bottom of the bottom frame 10 , and the roller 50 is detachably connected to the bottom frame 10 .
[0036] In a further implementable embodiment of the present embodiment, the folding trailer frame further includes a handle 40 , which is connected to the bottom frame 10 , and the handle 40 is a telescopic handle.
[0037] In a further implementable embodiment of the present embodiment, the bottom frame 10 includes a first bottom frame 101 and a second bottom frame 102, the ends of the first bottom frame 101 and the second bottom frame 102 are hinged together, the first bottom frame 101 is hinged to the front frame 20, and the second bottom frame 102 is hinged to the rear frame 30, the hinge positions of the second front link 604 and the second rear link 605 correspond to the hinge positions of the first bottom frame 101 and the second bottom frame 102, the first front link 602 and the first rear link 607 are symmetrically arranged and extend obliquely downward, the hinge positions of the second front link 604 and the second rear link 605 are located below the bottom frame 10, and the first positioning block 70 and the second positioning block 80 are provided at the hinge positions of the first bottom frame 101 and the second bottom frame 102, the first positioning block 70 is connected to the first bottom frame 101, the second positioning block 80 is connected to the second bottom frame 102, and the first positioning block 70 and the second positioning block 80 are hinged.
[0038] In the present embodiment, when folding, the first positioning block 70 and the second positioning block 80 can ensure that the first bottom frame 101 and the second bottom frame 102 can be folded upward. In addition, the extension direction and the hinge position of the first front link 602 and the first rear link 607 in the present embodiment can ensure that the second front link 604 and the second rear link 605 can be folded downward, and can also make folding and unfolding more labor-saving.
[0039] On the other hand, the present embodiment provides a folding trailer, comprising any folding trailer frame as described above and a receiving component, wherein the receiving component is connected to the folding trailer frame.
[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.
[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0042] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A folding trailer frame, characterized in that: include: A bottom frame, wherein the bottom frame is a foldable frame; A front frame, disposed at the front end of the bottom frame, the front frame being connected to the front end of the bottom frame; A rear frame, disposed at the rear end of the bottom frame, the rear frame being connected to the rear end of the bottom frame; A slider mechanism, wherein the slider mechanism is arranged on the side of the bottom frame, the slider mechanism includes a first front slider, a second front slider, a first front link, a second front link, a first rear slider, a second rear slider, a first rear link and a second rear link, the first end of the second front link and the first end of the second rear link are hinged, the second end of the second front link is close to the front frame, the second front link is hinged to the side of the bottom frame, the second end of the second front link is hinged to the second front slider, the second front slider is slidably connected to the first front link so that the second front slider can move along the length direction of the first front link, and the first front link is hinged to the second front slider. The first front slider is hinged, and the first front slider is slidably connected to the front frame so that the first front slider can move on the front frame in a vertical direction. The second end of the second rear link is close to the rear frame, the second rear link is hinged to the side of the bottom frame, the second end of the second rear link is hinged to the second rear slider, the second rear slider is slidably connected to the first rear link so that the second rear slider can slide along the length direction of the first rear link, the first rear link is hinged to the first rear slider, and the first rear slider is slidably connected to the rear frame so that the first rear slider can move on the rear frame in a vertical direction.
2. The folding trailer frame according to claim 1, characterized in that: Slider mechanisms are respectively arranged on both sides of the bottom frame.
3. The folding trailer frame according to claim 1, characterized in that: The front frame at least has a front vertical rod section, and the first front sliding block is sleeved on the front vertical rod section to form a sliding connection.
4. The folding trailer frame according to claim 3, characterized in that: The rear frame at least has a rear vertical rod section, and the first rear sliding block is sleeved on the rear vertical rod section to form a sliding connection.
5. The folding trailer frame according to claim 1, characterized in that: The first front link is hinged to a side surface of the bottom frame, and the first rear link is hinged to a side surface of the bottom frame.
6. The folding trailer frame according to claim 1, characterized in that: The second front slider is sleeved on the first front connecting rod to form a sliding connection, and the second rear slider is sleeved on the first rear connecting rod to form a sliding connection.
7. The folding trailer frame according to claim 1, characterized in that: A roller is arranged at the bottom of the bottom frame, and the roller is detachably connected to the bottom frame.
8. The folding trailer frame according to claim 1, characterized in that: The folding trailer frame also includes a handle, which is connected to the bottom frame and is a telescopic handle.
9. The folding trailer frame according to claim 1, characterized in that: The bottom frame includes a first bottom frame and a second bottom frame, the ends of the first bottom frame and the second bottom frame are hinged together, the first bottom frame is hinged to the front frame, the second bottom frame is hinged to the rear frame, the hinge positions of the second front link and the second rear link correspond to the hinge positions of the first bottom frame and the second bottom frame, the first front link and the first rear link are symmetrically arranged and extend obliquely downward, the hinge positions of the second front link and the second rear link are located below the bottom frame, and the first positioning block and the second positioning block are provided at the hinge positions of the first bottom frame and the second bottom frame, the first positioning block is connected to the first bottom frame, the second positioning block is connected to the second bottom frame, and the first positioning block and the second positioning block are hinged.
10. A folding trailer, characterized in that: The invention comprises a foldable trailer frame according to any one of claims 1 to 9 and a receiving component, wherein the receiving component is connected to the foldable trailer frame.
Citation Information
Patent Citations
Novel sheet-shaped folding trailer
CN213442654U