Small trailer with jacking structure

By setting a limiting mechanism and a top-holding structure on the trailer body, the problem of items falling off during the movement of small trailers is solved, and the items are stably limited and conveniently loaded and unloaded.

CN223905072UActive Publication Date: 2026-02-13QINGDAO RULONG MACHINERY
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Patent Information

Application Number
CN202520434650.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-13
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Existing small trailers lack limiting structures, making it easy for items to fall off during movement.

Method used

A limiting mechanism is installed on the trailer body, including a limiting rod and a top holding mechanism. The limiting rod flips to limit the items, and the top holding rod and spring work together to automatically reset the limiting rod.

Benefits of technology

It effectively prevents items from falling off during trailer movement, is easy to operate, and the limit mechanism can automatically reset, facilitating loading and unloading of goods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The small trailer comprises a trailer body and a pushing frame, the pushing frame is installed on the upper wall of the trailer body, a limiting mechanism is installed on the upper wall of the trailer body and comprises a through groove, a rotating shaft, a limiting rod and a connecting rod, the through groove is formed in the upper wall of the trailer body, and the rotating shaft is rotatably installed in the through groove; a rotating shaft is installed on the upper wall of the trailer body, a limiting rod and a connecting rod are installed on the side wall of the rotating shaft, the rotating shaft can drive the limiting rod and the connecting rod to rotate, a jacking mechanism is installed on the lower wall of the trailer body, and the connecting rod can be installed in the jacking mechanism in an inserted mode. According to the trailer, the limiting mechanism is arranged on the trailer main body, so that articles above the trailer main body can be limited, the situation that the articles borne above fall off in the moving process of the trailer is avoided, in addition, the limiting mechanism can be controlled through the jacking rod, meanwhile, a worker can adjust the jacking rod through the feet, and the trailer is very convenient to use.
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Description

TECHNICAL FIELD

[0001] The patent relates to the technical field of trailers, in particular to a small trailer with a top holding structure. BACKGROUND

[0002] When traveling or carrying a large number of articles, in order to facilitate people to carry, a small trailer is generally used to assist in carrying articles. A large number of articles are directly placed on the plate of the trailer, and the plate is moved by pulling the pull rod, thereby saving the labor of carrying the articles.

[0003] However, the existing small trailer does not set a limiting structure in order to avoid occupying the placement space, so that the articles above are easily dropped when the small trailer moves and is subjected to bumps and the like. CONTENT OF THE INVENTION

[0004] The purpose of the patent is to provide a small trailer with a top holding structure to solve the problems raised in the background technology.

[0005] To achieve the above purpose, the patent provides the following technical solution: a small trailer with a top holding structure, comprising a trailer main body and a push frame, a push frame is installed on the upper wall of the trailer main body, and a limiting mechanism is installed on the upper wall of the trailer main body.

[0006] The limiting mechanism comprises a through slot, a rotating shaft, a limiting rod and a connecting rod, a through slot is formed in the upper wall of the trailer main body, a rotating shaft is rotatably installed in the through slot, a limiting rod and a connecting rod are installed on the side wall of the rotating shaft, and the rotating shaft can drive the limiting rod and the connecting rod to rotate.

[0007] A top holding mechanism is installed on the lower wall of the trailer main body, and the connecting rod can be inserted into the top holding mechanism.

[0008] Preferably, the top holding mechanism comprises a mounting plate, a sleeve, a top holding rod and a connecting hole, one end of the mounting plate is installed on the lower wall of the trailer main body, the other end of the mounting plate is provided with a sleeve, the top holding rod is slidably installed in the sleeve, the upper wall of the top holding rod is provided with a connecting hole, and the connecting rod can be inserted into the connecting hole.

[0009] Preferably, a limiting ring is installed on the side wall of the top holding rod, the limiting ring is arranged on the right side of the sleeve, a spring is sleeved on the outside of the top holding rod, and the left and right sides of the spring are respectively attached to the side walls of the sleeve and the limiting ring.

[0010] Preferably, the rotating shaft comprises a fixed shaft and a rotating sleeve, the fixed shaft is installed on the inner side wall of the through slot, the rotating sleeve is rotatably installed on the outside of the fixed shaft, and the limiting rod and the connecting rod are both installed on the side wall of the rotating sleeve.

[0011] Preferably, universal wheels are installed at the four corners of the lower wall of the trailer body.

[0012] Preferably, the side wall of the trailer body is provided with a through hole, and the top holding rod is installed with a pushing block by penetrating the through hole of the side wall of the trailer body.

[0013] Compared with the prior art, the beneficial effects of the patent are:

[0014] By setting the limiting mechanism on the upper wall of the trailer body, the upper limiting mechanism can be controlled by the top holding rod, and the staff can adjust the top holding rod through the foot, which is very convenient.

[0015] In addition, the top holding rod can control the limiting mechanism, and the staff can adjust the top holding rod through the foot, which is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the patent is shown in the structure diagram.

[0017] Figure 2 The structure of the patent is shown in the structure diagram.

[0018] Figure 3 The structure of the patent is shown in the structure diagram. Figure 2 The structure of the patent is shown in the structure diagram.

[0019] In the figure: 1 trailer body, 2 push frame, 3 limiting mechanism, 31 through slot, 32 rotating shaft, 33 limiting rod, 34 connecting rod, 4 top holding mechanism, 41 mounting plate, 42 sleeve, 43 top holding rod, 44 connecting hole, 5 limiting ring, 6 spring, 7 universal wheel, 8 through hole, 9 pushing block, 321 fixed shaft, 322 rotating sleeve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the patent will be described clearly and completely below in conjunction with the drawings in the embodiments of the patent. Obviously, the described embodiments are only part of the embodiments of the patent, not all. Based on the embodiments in the patent, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the patent.

[0021] Please refer to Figures 1-3 The patent provides a technical solution: a small trailer with a top holding structure, comprising a trailer body 1 and a push frame 2, the upper wall of the trailer body 1 is installed with a push frame 2, and the upper wall of the trailer body 1 is installed with a limiting mechanism 3.

[0022] The staff can conveniently push the trailer main body 1 through the push frame 2, and the limiting mechanism 3 can limit the goods on the trailer main body 1 after being turned up, so that the goods are prevented from falling during the movement of the trailer main body 1.

[0023] The limiting mechanism 3 comprises a through slot 31, a rotating shaft 32, a limiting rod 33 and a connecting rod 34, the upper wall of the trailer main body 1 is provided with the through slot 31, the rotating shaft 32 is rotatably installed in the through slot 31, the limiting rod 33 and the connecting rod 34 are installed on the side wall of the rotating shaft 32, and the rotating shaft 32 can drive the limiting rod 33 and the connecting rod 34 to rotate.

[0024] The rotating shaft 32 can be driven to rotate through the top holding mechanism 4, so that the limiting rod 33 is turned up, thereby limiting the goods above the trailer main body 1.

[0025] The top holding mechanism 4 is installed on the lower wall of the trailer main body 1, and the connecting rod 34 can be inserted into the top holding mechanism 4.

[0026] Specifically, the top holding mechanism 4 comprises an installation plate 41, a sleeve 42, a top holding rod 43 and a connecting hole 44, one end of the installation plate 41 is installed on the lower wall of the trailer main body 1, the other end of the installation plate 41 is provided with the sleeve 42, the top holding rod 43 is slidably installed in the sleeve 42, the upper wall of the top holding rod 43 is provided with the connecting hole 44, and the connecting rod 34 can be inserted into the connecting hole 44.

[0027] The connecting rod 34 can be driven to rotate to the right through the top holding rod 43, so that the rotating shaft 32 is driven to rotate, and the limiting rod 33 above is driven to turn up.

[0028] Specifically, the side wall of the top holding rod 43 is provided with a limiting ring 5, the limiting ring 5 is arranged on the left side of the sleeve 42, the outer side of the top holding rod 43 is sleeved with a spring 6, and the left and right sides of the spring 6 are respectively attached to the side walls of the sleeve 42 and the limiting ring 5.

[0029] Through the arrangement of the spring 6, the top holding rod 43 can be provided with a force moving to the right, so that after the top holding rod 43 is pushed outward, the top holding rod 43 can drive the connecting rod 34 to rotate, so that the limiting rod 33 can be retracted into the through slot 31, thereby facilitating the loading and unloading of the goods. At the same time, the spring 6 is retracted, and when the loading of the goods is completed, the top holding rod 43 is released, so that the top holding rod 43 can move to the right under the action of the spring 6, so that the limiting rod 33 is reset to limit the goods.

[0030] Specifically, the rotating shaft 32 comprises a fixed shaft 321 and a rotating sleeve 322, the fixed shaft 321 is installed on the inner side wall of the through slot 31, the rotating sleeve 322 is rotatably installed on the outer side of the fixed shaft 321, and the limiting rod 33 and the connecting rod 34 are installed on the side wall of the rotating sleeve 322.

[0031] Specifically, the four corners of the lower wall of the trailer body 1 are each provided with a universal wheel 7.

[0032] Specifically, the side wall of the trailer body 1 is provided with a through hole 8, and the top holding rod 43 is installed with a push block 9 through the through hole 8 and penetrates the side wall of the trailer body 1.

[0033] Through the setting of the push block 9, the top holding rod 43 can be conveniently adjusted by the staff.

[0034] Working principle: push the device to the loading position of the goods, then push the top holding rod 43 outward, the top holding rod 43 can drive the connecting rod 34 to rotate, so that the limiting rod 33 can retract into the through slot 31, which is convenient for loading and unloading the goods, and at the same time the spring 6 is retracted, when the goods are loaded, release the top holding rod 43, the top holding rod 43 can move to the right side under the action of the spring 6, so that the limiting rod 33 resets to limit the goods;

[0035] Then the staff can drive the trailer body 1 to carry and transfer through the push frame 2.

[0036] It is apparent to those skilled in the art that the present patent is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present patent. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present patent is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0037] 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, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A small trailer with a top holding structure, comprising a trailer body (1) and a push frame (2), characterized in that: The upper wall of the trailer body (1) is provided with a push frame (2), and the upper wall of the trailer body (1) is provided with a limiting mechanism (3); The limiting mechanism (3) comprises a through groove (31), a rotating shaft (32), a limiting rod (33) and a connecting rod (34), the upper wall of the trailer body (1) is provided with a through groove (31), the rotating shaft (32) is rotatably installed in the through groove (31), the limiting rod (33) and the connecting rod (34) are installed on the side wall of the rotating shaft (32), and the rotating shaft (32) can drive the limiting rod (33) and the connecting rod (34) to rotate; The lower wall of the trailer body (1) is provided with a supporting mechanism (4), and the connecting rod (34) can be inserted into the supporting mechanism (4).

2. The small trailer with the top holding structure according to claim 1, characterized in that: The supporting mechanism (4) comprises a mounting plate (41), a sleeve (42), a supporting rod (43) and a connecting hole (44), one end of the mounting plate (41) is installed on the lower wall of the trailer body (1), the other end of the mounting plate (41) is provided with the sleeve (42), the supporting rod (43) is slidably installed in the sleeve (42), the upper wall of the supporting rod (43) is provided with the connecting hole (44), and the connecting rod (34) can be inserted into the connecting hole (44).

3. The small trailer with the top holding structure according to claim 2, characterized in that: The side wall of the supporting rod (43) is provided with a limiting ring (5), the limiting ring (5) is arranged on the right side of the sleeve (42), the outer side of the supporting rod (43) is sleeved with a spring (6), and the left and right sides of the spring (6) are respectively attached to the side walls of the sleeve (42) and the limiting ring (5).

4. The small trailer with the top holding structure according to claim 1, characterized in that: The rotating shaft (32) comprises a fixed shaft (321) and a rotating sleeve (322), the fixed shaft (321) is installed on the inner side wall of the through groove (31), the rotating sleeve (322) is rotatably installed on the outer side of the fixed shaft (321), and the limiting rod (33) and the connecting rod (34) are installed on the side wall of the rotating sleeve (322).

5. The small trailer with the top holding structure according to claim 1, characterized in that: The lower wall of the trailer body (1) is provided with a universal wheel (7).

6. The small trailer with a top holding structure according to claim 2, characterized in that: The side wall of the trailer body (1) is provided with a through hole (8), the supporting rod (43) penetrates through the side wall of the trailer body (1) through the through hole (8) and is provided with a pushing block (9).