Lifting guide rail structure and automobile tailboard

Abstract

The utility model relates to the technical field of automobile tailboards, in particular to a lifting guide rail structure and an automobile tailboard, which comprises a carriage body, a movable plate and a tailboard are arranged at the lower end of the tail of the carriage body, a movable column is arranged on the side surface of the tailboard, the movable column is rotatably connected with the movable plate, and a fixed column is arranged on the side surface of the tailboard; a reciprocating screw is arranged in the sliding rail, one end of the reciprocating screw is connected with the output end of a driving motor, the reciprocating screw is sleeved with a sliding block, one end of a telescopic rod is connected with the sliding block, and the other end of the telescopic rod is connected with a fixing column; the device has the beneficial effects that the sliding block is connected with the fixed column on the tail plate through the telescopic rod, the tail plate is rotationally connected with the carriage movable plate through the movable column, the sliding block rotates the reciprocating screw rod to move up and down through the driving motor so as to drive the tail plate to be opened and closed, and the sliding block can be arranged at the position farther away from the tail plate rotating shaft so as to reduce the counter-acting force borne by the telescopic rod; energy consumption is reduced by increasing the moving stroke, damage and loss to parts are reduced, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of automobile tailboards, in particular to a lifting guide rail structure and an automobile tailboard. Background Art

[0002] A car tailgate, also known as a car lifting tailgate, is a hydraulic lifting and loading equipment installed at the rear of trucks and various vehicles, powered by a vehicle-mounted battery. When cargo needs to be loaded and unloaded, the car tailgate is opened for easy loading and unloading.

[0003] In the prior art, a car tailgate is usually driven by a hydraulic cylinder to rotate, unfold and overlap the ground, or fold on the side of the car body. The hydraulic cylinder is usually installed at the bottom of the rear end of the car. Since the connection position between the end of the hydraulic cylinder and the tailgate is very close to the rotation axis of the tailgate, the hydraulic cylinder needs to withstand a large reaction force to drive the tailgate to rotate, which causes great damage to the parts and reduces the service life of the device. Therefore, the utility model proposes a lifting guide rail structure and a car tailgate. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting guide rail structure and a car tail plate to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a lifting guide rail structure, comprising:

[0006] A box body, wherein a movable plate is provided at the lower end of the rear of the box body, and a movable hole is opened on the movable plate;

[0007] A tail plate, wherein a movable column is arranged on the side of the tail plate, the movable column is adapted to the movable hole, the movable column is rotatably connected to the movable plate, and a fixed column is arranged on the side of the tail plate;

[0008] The sliding structure includes a telescopic rod, a slide rail, a slider, a reciprocating screw, and a drive motor. The slide rail is arranged at the rear of the car body, and a reciprocating screw is arranged in the slide rail. One end of the reciprocating screw is connected to the output end of the drive motor. The drive motor is fixed on a movable plate. A slider is sleeved on the reciprocating screw. The slider is threadedly connected to the reciprocating screw. One end of the telescopic rod is connected to the slider, and the other end of the telescopic rod is connected to a fixed column.

[0009] Preferably, a cushion layer is provided on the bottom surface of the tail plate, threaded holes are provided on the cushion layer, the cushion layer is connected to the tail plate bolts, and anti-skid grooves are provided on the tail plate, and the anti-skid grooves are evenly distributed in an array on the tail plate.

[0010] Preferably, the slider is slidably engaged in the slide rail, a fixing plate is provided on the slider, a connecting plate is provided at one end of the telescopic rod, and the connecting plate is connected to the fixing plate by bolts.

[0011] Preferably, a limiting hole is provided on the movable plate, and a limiting groove is provided at a position corresponding to the limiting hole when the tail plate is closed.

[0012] A car tailboard comprises the lifting guide rail structure described above.

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

[0014] The lifting guide rail structure and automobile tail board proposed by the utility model are provided with a slide rail and a slider on the car body; the slider is connected to the fixed column on the tail board through a telescopic rod; the tail board is rotatably connected to the movable plate of the car body through a movable column; the slider moves up and down by rotating a reciprocating screw rod through a driving motor, thereby driving the tail board to open and close; the slider position can be set farther away from the tail board rotation axis to reduce the reaction force borne by the telescopic rod; the energy consumption is reduced by increasing the active stroke, the damage and loss to parts is reduced, and the service life of the device is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the sliding structure of the utility model.

[0017] In the figure: 1. Carriage; 2. Tail plate; 3. Sliding structure; 4. Movable plate; 5. Movable column; 6. Fixed column; 7. Cushion; 8. Anti-slip groove; 9. Telescopic rod; 10. Slide rail; 11. Sliding block; 12. Reciprocating screw; 13. Driving motor; 14. Limiting hole. DETAILED DESCRIPTION

[0018] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] For example, see Figure 1-Figure 2 The utility model provides a technical solution, a lifting guide rail structure: including

[0020] Carriage 1, a movable plate 4 is arranged at the lower end of the rear end of the carriage 1, and a movable hole is opened on the movable plate 4, and the movable plate 4 is used to cooperate and fix with the tail plate 2; tail plate 2, a movable column 5 is arranged on the side of the tail plate 2, and the movable column 5 is adapted to the movable hole, and the movable column 5 is rotatably connected with the movable plate 4, so that the tail plate 2 is fixed to the bottom surface of the rear end of the carriage 1, and the rotatable connection is convenient to open and use as a pedal to facilitate loading and unloading, and a fixed column 6 is arranged on the side of the tail plate 2, and the tail plate 2 is connected to the telescopic rod 9 through the fixed column 6; sliding structure 3, the sliding structure 3 includes a telescopic rod 9, a slide rail 10, a slider 11, a reciprocating screw 12, and a driving motor 13, the slide rail 10 is arranged at the rear end of the carriage 1, and a movable column 5 is arranged inside the slide rail 10 There is a reciprocating screw 12, one end of the reciprocating screw 12 is connected to the output end of a driving motor 13, the output end of the driving motor 13 drives the reciprocating screw 12 to rotate, the driving motor 13 is fixed on the movable plate 4, a slider 11 is sleeved on the reciprocating screw 12, the slider 11 is threadedly connected to the reciprocating screw 12, the slider 11 can move up and down according to the rotation of the reciprocating screw 12, one end of the telescopic rod 9 is connected to the slider 11, and the other end of the telescopic rod 9 is connected to a fixed column 6, the slider 11 moves up and down to drive the telescopic rod 9 to move, thereby controlling the closing of the tail plate 2 switch, and the remote back and forth movement of the slider 11 avoids the hydraulic cylinder from bearing a large reaction force in the traditional rotation mode of the tail plate 2.

[0021] A cushion layer 7 is provided on the bottom surface of the tail plate 2. The cushion layer 7 is used to provide a certain buffering and protective effect on the tail plate 2 when the tail plate 2 is opened and placed on the bottom surface as a loading and unloading pedal. Threaded holes are provided on the cushion layer 7. The cushion layer 7 is bolted to the tail plate 2. The screw connection method is convenient for replacement. Anti-skid grooves 8 are provided on the tail plate 2. The anti-skid grooves 8 are evenly distributed in an array on the tail plate 2. The anti-skid grooves 8 increase friction to prevent workers from slipping when loading and unloading.

[0022] The slider 11 is slidably engaged in the slide rail 10, a fixing plate is arranged on the slider 11, a connecting plate is arranged at one end of the telescopic rod 9, the connecting plate and the fixing plate are connected by bolts, and the bolts are rotatably connected, so as not to hinder the closing of the switch of the tail plate 2 when the slider 11 moves up and down.

[0023] The movable plate 4 is provided with a limit hole 14. When the tail plate 2 is closed, a limit groove is provided at the position corresponding to the limit hole 14. After the tail plate 2 is closed, the tail plate 2 is fixed by a latch to stabilize the structure and prevent the sliding structure 3 from being subjected to excess stress.

[0024] A car tailboard comprises the above-mentioned lifting guide rail structure.

[0025] When the tail plate 2 is in use, the movable plate 4 is used to cooperate with the tail plate 2 for fixing, and the movable column 5 is rotatably connected with the movable plate 4 so that the tail plate 2 is fixed on the bottom surface of the rear end of the box body 1. The rotatable connection is convenient for opening and using it as a pedal for loading and unloading. The output end of the driving motor 13 drives the reciprocating screw 12 to rotate, and the slider 11 can move up and down according to the rotation of the reciprocating screw 12. The up and down movement of the slider 11 drives the telescopic rod 9 to move, thereby controlling the closing of the tail plate 2 switch. The remote back and forth movement of the slider 11 avoids the need for the hydraulic cylinder to bear a large reaction force in the traditional tail plate 2 rotation mode. The cushion layer 7 is used for the tail plate 2 to be opened and placed on the bottom surface as a loading and unloading pedal, which has a certain buffering and protective effect on the tail plate 2. The screw connection mode is convenient for replacement, and the anti-skid groove 8 increases the friction force to prevent workers from slipping when loading and unloading. The bolt is rotatably connected, and does not hinder the closing of the tail plate 2 switch when the slider 11 moves up and down. After the tail plate 2 is closed, the tail plate 2 is fixed with a latch to stabilize the structure and prevent the sliding structure 3 from being subjected to excess stress.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting guide rail structure, characterized in that: The lifting guide rail structure includes: A box body (1), wherein a movable plate (4) is provided at the lower end of the rear portion of the box body (1), and a movable hole is provided on the movable plate (4); A tail plate (2), wherein a movable column (5) is arranged on the side of the tail plate (2), the movable column (5) is matched with the movable hole, the movable column (5) is rotatably connected to the movable plate (4), and a fixed column (6) is arranged on the side of the tail plate (2); A sliding structure (3), the sliding structure (3) comprising a telescopic rod (9), a slide rail (10), a slider (11), a reciprocating screw (12), and a drive motor (13), the slide rail (10) being arranged at the rear of the compartment (1), a reciprocating screw (12) being arranged inside the slide rail (10), one end of the reciprocating screw (12) being connected to the output end of the drive motor (13), the drive motor (13) being fixed on a movable plate (4), a slider (11) being sleeved on the reciprocating screw (12), the slider (11) being threadedly connected to the reciprocating screw (12), one end of the telescopic rod (9) being connected to the slider (11), and the other end of the telescopic rod (9) being connected to a fixed column (6).

2. A lifting guide rail structure according to claim 1, characterized in that: The bottom surface of the tail plate (2) is provided with a cushion layer (7), the cushion layer (7) is provided with threaded holes, the cushion layer (7) is bolted to the tail plate (2), the tail plate (2) is provided with anti-skid grooves (8), and the anti-skid grooves (8) are evenly distributed in an array on the tail plate (2).

3. The lifting guide rail structure according to claim 1, characterized in that: The slider (11) is slidably engaged in the slide rail (10), a fixing plate is provided on the slider (11), a connecting plate is provided at one end of the telescopic rod (9), and the connecting plate is connected to the fixing plate by bolts.

4. The lifting guide rail structure according to claim 1, characterized in that: A limiting hole (14) is provided on the movable plate (4), and a limiting groove is provided at a position corresponding to the limiting hole (14) when the tail plate (2) is closed.

5. A car tailgate, characterized in that: It includes the lifting guide rail structure described in any one of claims 1-4.

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