A vertical lifting tailgate with anti-tilt function

By installing anti-tilt support components and balanced electronic control devices on both sides of the vertical lifting tail plate, the problem of the tail plate being easily tilted when loading heavy cargo is solved, and the stability, safety and load capacity of the tail plate are improved.

CN222727872UActive Publication Date: 2025-04-08ANHUI TIANYI LOGISTICS CO LTD
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Patent Information

Application Number
CN202421565227.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-04-08
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The existing vertical lift tail plates are prone to tilt when loading heavy cargo, resulting in handling accidents.

Method used

An anti-tilt vertical lifting tail plate is designed. By installing anti-tilt support components on both sides of the tail plate, including a movable boom, a balanced connector and an anti-tilt support cylinder, the tail plate is supported by an anti-tilt support cylinder, and the output stroke of the anti-tilt support cylinder is controlled through a balanced electronic control device.

Benefits of technology

It improves the stability and safety of the tail plate, enhances the load capacity of the tail plate, ensures that the horizontal lifting and lowering of the tail plate can be maintained on uneven ground, and improves the practicality and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-tilt vertical lifting tailboard, wherein the tailboard is flip-connected to the side of the lifting connecting plate, and the two sides of the tailboard away from the lifting connecting plate are respectively movably equipped with an anti-tilt support assembly, and the anti-tilt support assembly includes a movable suspension rod, a balancing connection piece and an anti-tilt support cylinder, the balancing connection piece is located above the tailboard, the top of the movable suspension rod and the piston rod of the anti-tilt support cylinder are respectively connected to the two sides of the balancing connection piece, and the bottom end of the movable suspension rod is movably connected to the tailboard. Compared with the prior art, the tailboard can be auxiliary supported and balanced, thereby improving the safety and reliability of the tailboard equipment.
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Description

Technical Field

[0001] The utility model relates to the technical field of truck tailgate devices, in particular to an anti-tilting vertical lifting tailgate. Background Art

[0002] A hydraulic lift tailgate is a hydraulic lifting device installed at the rear of a vehicle (especially a van) to improve the efficiency of cargo loading and unloading. A vertical lift tailgate is a more common tailgate device that can assist in the vertical lifting and lowering of cargo, making it easier to load and unload heavier cargo.

[0003] However, the existing vertical lift tailgate is mostly installed at the rear of the car body through a hinge, and then driven up and down by a lifting device. After the tailgate is lowered, it is mostly fixed in the horizontal direction by a chain. Therefore, the existing vertical lift tailgate has a low load-bearing capacity. When loading heavy goods, the tailgate is prone to tilt, causing a handling accident. Therefore, it is necessary to improve it. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an anti-tilt vertical lifting tailgate, which can quickly support and assemble the tailgate horizontally, increase the load capacity of the tailgate, and improve the stability and safety of the tailgate.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is: an anti-tilt vertical lifting tailboard, comprising lifting guide columns, a lifting connecting plate and a tailboard arranged on both sides of the car body, connecting guide blocks are respectively formed on both sides of the lifting connecting plate, and the connecting guide blocks are slidably assembled on the lifting guide columns in an up-and-down manner, and a lifting drive cylinder is respectively pivotally connected to the top of each lifting guide column, and the piston rod of the lifting drive cylinder is pivotally connected to the connecting guide block or the lifting connecting plate; the tailboard is flipped and connected to the side of the lifting connecting plate, wherein the two sides of the tailboard away from the lifting connecting plate are respectively movably assembled with an anti-tilt support assembly, and the anti-tilt support assembly comprises a movable suspension rod, a balancing connector and an anti-tilt support cylinder, the balancing connector is located above the tailboard, the top of the movable suspension rod and the piston rod of the anti-tilt support cylinder are respectively connected to the two sides of the balancing connector, and the bottom end of the movable suspension rod is movably connected to the tailboard.

[0006] In a further technical solution, a quick-installation structure is provided between the movable boom and the tail plate, and the quick-installation structure includes a sleeve structure, a snap-fit ​​structure or a threaded connection structure.

[0007] In a further technical solution, a quick-connect cam is provided on both sides of the tail plate; a quick connector is provided at the bottom of the movable boom, and the quick connector has a set of holes, and the quick connector is movably connected to the corresponding quick-connect cam through the holes.

[0008] In a further technical solution, the output stroke of the anti-tilt support cylinder is not less than the output stroke of the lifting drive cylinder.

[0009] In a further technical solution, the length of the movable suspension rod is not less than the output stroke of the lifting drive cylinder.

[0010] In a further technical solution, an anti-slip pad is provided at the bottom of the anti-tilt support cylinder.

[0011] In a further technical solution, safety chains are provided on both sides of the tail plate, one end of the safety chain is connected to the tail plate, and the other end is connected to the connecting guide block.

[0012] In a further technical solution, a lifting guide cavity is provided inside the lifting guide column; the connecting guide block matches the lifting guide cavity and is slidably assembled in the lifting guide cavity, a connecting portion is formed on the outer side of the connecting guide block, and the piston rod of the lifting drive cylinder is pivotally connected to the connecting portion; an avoidance groove is provided on the outer side of the lifting guide column, and the connecting portion and the avoidance groove are movably matched.

[0013] In a further technical solution, a balancing electronic control device is included, which includes a control unit, a balancing sensing unit and two independent two-way hydraulic valves, the two-way hydraulic valve and the balancing sensing unit are electrically connected to the control unit respectively; the balancing sensing unit is arranged on the tail plate, and the two two-way hydraulic valves are respectively connected to the corresponding anti-tilt support cylinders.

[0014] In a further technical solution, the surface of the tail board is further provided with an anti-skid structure, and the anti-skid surface structure includes a molded concave-convex surface structure or a soft rubber pad.

[0015] After adopting the above structure, the advantages of the utility model compared with the prior art are as follows: the utility model provides an anti-tilt vertical lifting tail board, by arranging anti-tilt support components on both sides of the tail board with a flip design, supporting the tail board through the anti-tilt support cylinder, thereby improving the stability and safety of the tail board, and providing assistance during the upward movement of the tail board, further increasing the load capacity of the tail board and improving the practicality of the equipment; the output stroke of the anti-tilt support cylinders on both sides is processed and controlled by a balancing electronic control device to ensure that the tail board can be kept lifted horizontally when operating on uneven ground, further improving the usability of the anti-tilt function of the tail board; the bottom of the anti-tilt support cylinder is provided with an anti-slip pad, which can improve the stability of the anti-tilt support cylinder's support to the ground, further improving the reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2It is a cross-sectional view of the lifting device in the utility model.

[0019] Figure 3 It is a schematic diagram of disassembly and assembly of the anti-tilt device in the utility model. DETAILED DESCRIPTION

[0020] The following are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention.

[0021] like Figures 1 to 3 As shown, an anti-tilt vertical lifting tailgate comprises a lifting guide column 1, a lifting connecting plate 2 and a tailgate 3 arranged on both sides of a car body, connecting guide blocks 21 are respectively formed on both sides of the lifting connecting plate 2, and the connecting guide blocks 21 are slidably assembled on the lifting guide column 1, and a lifting drive cylinder 22 is pivotally connected to the top of each lifting guide column 1, and the piston rod of the lifting drive cylinder 22 is pivotally connected to the connecting guide block 21; the tailgate 3 is flipped and connected to the side of the lifting connecting plate 2, wherein the two sides of the tailgate 3 away from the lifting connecting plate 2 are respectively movably assembled with an anti-tilt support assembly, and the anti-tilt support assembly comprises a movable suspension rod 42, a balancing connector 41 and an anti-tilt support cylinder 4, the balancing connector 41 is located above the tailgate 3, the top of the movable suspension rod 42 and the piston rod of the anti-tilt support cylinder 4 are respectively connected to the two sides of the balancing connector 41, and the bottom end of the movable suspension rod 42 is movably connected to the tailgate 3.

[0022] Specifically, a quick-connect cam 003 is provided on both sides of the tail plate 3; a quick connector 43 is provided at the bottom of the movable suspension rod 42, and the quick connector 43 is provided with a set of holes 430, and the quick connector 43 is movably connected to the corresponding quick-connect cam 003 through the set of holes 430.

[0023] Specifically, the output stroke of the anti-tilt support cylinder 4 is not less than the output stroke of the lifting drive cylinder 22 .

[0024] Specifically, the length of the movable suspension rod 42 is not less than the output stroke of the lifting drive cylinder 22 .

[0025] Specifically, the bottom of the anti-tilt support cylinder 4 is provided with an anti-skid pad 004. The bottom of the anti-tilt support cylinder 4 is provided with an anti-skid pad 004, which can improve the stability of the anti-tilt support cylinder 4 supporting the ground and further improve the reliability of the equipment.

[0026] In actual use, the tailgate 3 is first lowered to the ground height, and then the anti-tilt support components on both sides are assembled through the quick-install structure; then, the goods are loaded and moved upward, and at the same time, the piston rod of the anti-tilt support cylinder 4 is driven to output and drive, so as to maintain the support effect on the outer side of the tailgate 3 and ensure the balance of the tailgate 3.

[0027] By arranging anti-tilt support components on both sides of the flip-designed tail board, the tail board 3 is supported by the anti-tilt support cylinder 4, thereby improving the stability and safety of the tail board 3, and assisting the tail board 3 during its upward movement, thereby further increasing the load capacity of the tail board 3 and improving the practicability of the equipment.

[0028] In this embodiment, the two anti-tilt support cylinders 4 are respectively stroke-controlled by two independent two-way hydraulic valves, and are provided with a balancing electronic control device, which includes a control unit, a balancing sensing unit and two independent two-way hydraulic valves, the two-way hydraulic valves and the balancing sensing unit are respectively electrically connected to the control unit; the balancing sensing unit is arranged on the tail plate 3, and the two two-way hydraulic valves are respectively pipe-connected to the corresponding anti-tilt support cylinders 4.

[0029] The output strokes of the anti-tilt support cylinders 4 on both sides are processed and controlled by the balancing electronic control device to ensure that the tail board 3 can be kept lifted horizontally when operating on uneven ground, further improving the usability of the anti-tilt function of the tail board.

[0030] Specifically, safety chains 31 are provided on both sides of the tailgate 3 , one end of the safety chain 31 is connected to the tailgate 3 , and the other end of the safety chain 31 is connected to the connecting guide block 21 .

[0031] Specifically, a lifting guide cavity 10 is provided inside the lifting guide column 1; a connecting guide block 21 matches the lifting guide cavity 10 and is slidably assembled in the lifting guide cavity 10; a connecting portion is formed on the outer side of the connecting guide block 21, and a piston rod of a lifting drive cylinder 22 is pivotally connected to the connecting portion; an avoidance groove penetrating inside and outside is provided on the outer side of the lifting guide column 1, and the connecting portion and the avoidance groove are movably matched.

[0032] Specifically, the surface of the tail plate 3 is also provided with an anti-skid structure, and the anti-skid surface structure includes a molded concave-convex surface structure.

[0033] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. An anti-tilt vertical lifting tailgate, characterized in that: The invention comprises a lifting guide column (1), a lifting connection plate (2) and a tail plate (3) arranged on both sides of a carriage. A connection guide block (21) is formed on both sides of the lifting connection plate (2). The connection guide block (21) is mounted on the lifting guide column (1) in an up-and-down sliding manner. A lifting drive cylinder (22) is pivotally connected to the top of each lifting guide column (1). The piston rod of the lifting drive cylinder (22) is pivotally connected to the connection guide block (21) or the lifting connection plate (2). The tail plate (3) is flipped and connected to the side of the lifting connection plate (2). Wherein, an anti-tilt support assembly is movably mounted on both sides of the tail plate (3) away from the lifting connection plate (2), and the anti-tilt support assembly comprises a movable suspension rod (42), a balancing connection piece (41) and an anti-tilt support cylinder (4), wherein the balancing connection piece (41) is located above the tail plate (3), the top end of the movable suspension rod (42) and the piston rod of the anti-tilt support cylinder (4) are respectively connected to the two sides of the balancing connection piece (41), and the bottom end of the movable suspension rod (42) is movably connected to the tail plate (3).

2. The anti-tilt vertical lifting tailgate according to claim 1, characterized in that: A quick-install structure is provided between the movable suspension rod (42) and the tail plate (3), and the quick-install structure comprises a shaft sleeve structure, a buckle structure or a threaded connection structure.

3. The anti-tilt vertical lifting tailgate according to claim 2, characterized in that: A quick-connect cam (003) is respectively provided on both sides of the tail plate (3); a quick connector (43) is provided at the bottom of the movable suspension rod (42); the quick connector (43) is provided with a set of holes (430); and the quick connector (43) is movably sleeved on the corresponding quick-connect cam (003) through the sleeve holes (430).

4. The anti-tilt vertical lifting tailgate according to claim 3, characterized in that: The output stroke of the anti-tilt support cylinder (4) is not less than the output stroke of the lifting drive cylinder (22).

5. The anti-tilt vertical lifting tailgate according to claim 4, characterized in that: The length of the movable suspension rod (42) is not less than the output stroke of the lifting drive cylinder (22).

6. The anti-tilt vertical lifting tailgate according to claim 5, characterized in that: The bottom of the anti-tilt support cylinder (4) is provided with an anti-slip pad (004).

7. The anti-tilt vertical lifting tailgate according to claim 1, characterized in that: Safety chains (31) are provided on both sides of the tail plate (3), one end of the safety chain (31) is connected to the tail plate (3), and the other end is connected to the connecting guide block (21).

8. The anti-tilt vertical lifting tailgate according to claim 1, characterized in that: The lifting guide column (1) has a lifting guide cavity (10) formed inside; the connecting guide block (21) matches the lifting guide cavity (10) and is slidably assembled in the lifting guide cavity (10); a connecting portion is formed on the outer side of the connecting guide block (21); a piston rod of the lifting drive cylinder (22) is pivotally connected to the connecting portion; an avoidance groove is formed on the outer side of the lifting guide column (1) and runs through the inside and outside; the connecting portion and the avoidance groove are movably matched.

9. The anti-tilt vertical lifting tailgate according to claim 8, characterized in that: The invention comprises a balancing electronic control device, which comprises a control unit, a balancing sensing unit and two mutually independent two-way hydraulic valves, wherein the two-way hydraulic valve and the balancing sensing unit are respectively electrically connected to the control unit; the balancing sensing unit is arranged on the tail plate (3), and the two two-way hydraulic valves are respectively pipe-connected to the corresponding anti-tilt support cylinders (4).

10. The anti-tilt vertical lifting tailgate according to claim 9, characterized in that: The surface of the tail plate (3) is also provided with an anti-skid structure, and the anti-skid surface structure comprises a molded concave-convex surface structure or a soft rubber pad.