CN117162755A - Automatic lift pick up tail-gate - Google Patents
Automatic lift pick up tail-gate Download PDFInfo
- Publication number
- CN117162755A CN117162755A CN202311111916.XA CN202311111916A CN117162755A CN 117162755 A CN117162755 A CN 117162755A CN 202311111916 A CN202311111916 A CN 202311111916A CN 117162755 A CN117162755 A CN 117162755A
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- door assembly
- connecting rod
- telescopic bracket
- tail
- rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 11
- 230000005484 gravity Effects 0.000 abstract description 9
- 238000012856 packing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The application discloses an automatic lifting pick-up tail door, which comprises a rear door assembly and a lifting mechanism arranged on the rear door assembly, wherein the lifting mechanism is used for controlling the lifting of the rear door assembly; the lifting mechanism comprises a rope driving assembly and a telescopic bracket, the telescopic bracket is of a parallelogram structure, and the rear door assembly is arranged at the tail part of the truck box through the telescopic bracket; the rope driving component is fixedly arranged at the bottom of the truck box and used for driving the telescopic bracket to deform. Through motor drive line wheel unwrapping wire, make the back door assembly put down under the action of gravity, this in-process telescopic bracket rotational deformation, back door assembly and automobile body separation, then place the goods in the packing box on the back door assembly, then rethread motor continues control line wheel unwrapping wire, at this moment, under the action of gravity of back door assembly and goods, telescopic bracket continues to warp to make the high decline of back door assembly, better adaptation packing box carries cargo, realizes its loading and unloading convenience, laborsaving purpose.
Description
Technical Field
The application relates to the technical field of automobile accessories, in particular to an automatic lifting pick-up tail door.
Background
At present, a rear door of a cargo box of a pickup truck is generally of a 90-degree turnover structure, the rear door of the cargo box is hinged with the lower sides of two side plates of the cargo box, a locking mechanism is arranged on the upper side of the rear door, and the rear door is rotated around the hinge to be opened and closed.
However, after the existing rear door of the container is placed flat, the height from the ground is about 800mm, so that the cargo in the container is not convenient enough to carry. Therefore, it is needed to provide an automatic lifting pick-up tail gate to achieve the effect of convenience and labor saving when carrying goods in a cargo box.
Disclosure of Invention
The application aims to provide an automatic lifting pick-up tail gate so as to solve the problems in the prior art.
In order to achieve the above purpose, the application provides an automatic lifting pick-up tail door, which comprises a rear door assembly and a lifting mechanism arranged on the rear door assembly, wherein the lifting mechanism is used for controlling the lifting of the rear door assembly;
the lifting mechanism comprises a rope driving assembly and a telescopic bracket, the telescopic bracket is of a parallelogram structure, and the rear door assembly is arranged at the tail part of the truck box through the telescopic bracket; the rope driving assembly is fixedly arranged at the bottom of the truck box and used for driving the telescopic bracket to deform.
Preferably, the rope driving assembly comprises a motor and a speed changer which are fixedly arranged at the bottom of the truck box, an output shaft of the motor is in transmission fit with the speed changer, a wire wheel is fixedly connected to an output shaft of the speed changer, one end of a steel wire rope is fixedly wound on the wire wheel, and the other end of the steel wire rope is fixedly connected with the telescopic bracket.
Preferably, the telescopic bracket comprises a fixed rod fixedly arranged at the tail part of the truck box, the bottom of the fixed rod is rotatably connected with rotating arms, the number of the rotating arms is not less than two, and two adjacent rotating arms are arranged in parallel; one side of the rear door assembly, which is close to the wagon box, is rotationally connected with a connecting rod, one end of the rotating arm, which is far away from the fixed rod, is rotationally connected with the top of the connecting rod, and the connecting rod is parallel to the fixed rod; a hinge is rotatably connected to one side of the connecting rod, which is far away from the rotating arm, and the tail end of the hinge is hinged with the middle part of the rear door assembly; the steel wire rope is fixedly matched with the top end of the connecting rod.
Preferably, the connecting rod and the fixing rod are both in a U-shaped structure, rotating shafts are rotatably connected in the U-shaped grooves of the connecting rod and the fixing rod, and two ends of the rotating arm are rotatably connected with the connecting rod and the fixing rod through the rotating shafts; the width of the connecting rod is not larger than that of the U-shaped groove on the fixing rod.
Preferably, a connecting plate is arranged on one side of the connecting rod, which is far away from the rotating arm, a long hole is formed in the connecting rod along the vertical direction, a connecting column is slidably arranged in the long hole, one end of the connecting column is fixedly connected with the connecting plate, the other end of the connecting column is fixedly connected with a limiting plate, and the connecting plate is in limiting sliding fit with the connecting rod through the connecting column and the limiting plate; one end of the hinge, which is far away from the back door assembly, is rotationally connected to the connecting plate, the back door assembly is rotationally connected with the bottom end of the connecting plate, and the steel wire rope is fixedly connected with the top end of the limiting plate.
Preferably, fixed pulleys are arranged at the top ends of the connecting rods and the top ends of the fixing rods, and the steel wire ropes are wound on the fixed pulleys.
Preferably, one side of the connecting plate, which is close to the connecting rod, is fixedly provided with a plurality of installation blocks along the vertical direction, the upper end and the lower end of each installation block are of arc structures, one side of the installation block, which is far away from the connecting plate, is provided with an installation groove, the installation groove is rotationally connected with a rotating roller, the rotating roller is arranged along the horizontal direction, and the connecting plate is in sliding fit with the connecting rod through the rotating roller.
Preferably, two ends of the rotating roller are rotatably connected with positioning plates, the groove wall of the mounting groove is provided with a sliding groove, and the positioning plates are arranged in the sliding groove in a limiting sliding manner; an elastic block is arranged in the sliding groove, one end of the elastic block is fixedly connected with the bottom of the mounting groove, and the other end of the elastic block is fixedly connected with the positioning plate.
Preferably, the elastic block is any one of a polyurethane block or a rubber block.
Compared with the prior art, the application has the following advantages and technical effects:
according to the automatic lifting pick-up tail gate provided by the application, the motor is used for driving the wire wheel to pay off, so that the rear gate assembly is laid flat under the action of gravity, the telescopic bracket is rotationally deformed in the process, the rear gate assembly is separated from the vehicle body, then the goods in the container are placed on the rear gate assembly, and then the wire wheel is continuously controlled by the motor to pay off, at this time, the telescopic bracket is continuously deformed under the action of the gravity of the rear gate assembly and the goods, so that the height of the rear gate assembly is lowered, the container cargo is better adapted, and the purposes of convenience in loading and unloading and labor saving are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an automatic lifting pick-up tail gate according to the present application;
fig. 2 is a schematic view of the rope drive assembly of the present application;
FIG. 3 is a schematic view of the telescopic bracket of the present application;
FIG. 4 is a state diagram of the automatic lifting pick-up tail gate of the present application in use;
FIG. 5 is a state diagram of the automatic lifting pick-up tail gate of the present application in another use;
FIG. 6 is a diagram showing the relationship between the connecting plate and the connecting rod according to the present application;
FIG. 7 is an enlarged view of a portion of FIG. 6A;
wherein: 1. a rear door assembly; 2. a motor; 3. a wire wheel; 4. a wire rope; 5. a fixed rod; 6. a rotating arm; 7. a connecting rod; 8. a hinge; 9. a rotation shaft; 10. a connecting plate; 11. a connecting column; 12. a limiting plate; 13. a fixed pulley; 14. a mounting block; 15. a rotating roller; 16. a positioning plate; 17. an elastic block.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present application. The application will be described in detail below with reference to the drawings in connection with embodiments.
The application provides an automatic lifting pick-up tail door, which comprises a rear door assembly 1 and a lifting mechanism arranged on the rear door assembly 1, wherein the lifting mechanism is used for controlling the lifting of the rear door assembly 1;
the lifting mechanism comprises a rope driving assembly and a telescopic bracket, the telescopic bracket is of a parallelogram structure, and the rear door assembly 1 is arranged at the tail part of the truck box through the telescopic bracket; the rope driving component is fixedly arranged at the bottom of the truck box and used for driving the telescopic bracket to deform.
Further, the rope driving assembly comprises a motor 2 and a speed changer which are fixedly arranged at the bottom of the truck box, an output shaft of the motor 2 is in transmission fit with the speed changer, a wire wheel 3 is fixedly connected to an output shaft of the speed changer, one end of a steel wire rope 4 is fixedly wound on the wire wheel 3, and the other end of the steel wire rope 4 is fixedly connected with the telescopic bracket.
When the wire winding device is used, the wire winding wheel 3 is driven to rotate by the motor 2, the rotating speed of the wire winding wheel 3 is controlled by the arrangement of the transmission, and the wire winding or paying-off of the wire rope 4 on the wire winding wheel 3 is realized by controlling the rotating direction of the motor 2. After the back door assembly 1 is put flatly, when the wire wheel 3 unwrapping wire, back door assembly 1 highly descends under the action of gravity, conveniently carries the goods in the packing box, and when the wire wheel 3 receives the line, back door assembly 1 resumes the normal position.
Further, the telescopic bracket comprises a fixed rod 5 fixedly arranged at the tail part of the truck box, the bottom of the fixed rod 5 is rotationally connected with rotating arms 6, the number of the rotating arms 6 is not less than two, and two adjacent rotating arms 6 are arranged in parallel; one side of the rear door assembly 1, which is close to the truck box, is rotationally connected with a connecting rod 7, one end of the rotating arm 6, which is far away from the fixed rod 5, is rotationally connected with the top of the connecting rod 7, and the connecting rod 7 is arranged in parallel with the fixed rod 5; one side of the connecting rod 7 far away from the rotating arm 6 is rotatably connected with a hinge 8, and the tail end of the hinge 8 is hinged with the middle part of the rear door assembly 1; the steel wire rope 4 is fixedly matched with the top end of the connecting rod 7; the connecting rod 7 and the fixing rod 5 are of U-shaped structures, rotating shafts 9 are rotatably connected in U-shaped grooves of the connecting rod 7 and the fixing rod 5, and two ends of the rotating arm 6 are rotatably connected with the connecting rod 7 and the fixing rod 5 through the rotating shafts 9; the width of the connecting rod 7 is not larger than the width of the U-shaped groove on the fixed rod 5.
When the back door assembly 1 needs to be lifted, the control wire wheel 3 pays out, at this moment, under the gravity action of the back door assembly 1, the rotating arm 6 rotates around the rotating shaft 9, so that the height of the back door assembly 1 is lowered, and because the fixing rod 5 and the connecting rod 7 are arranged in parallel, the rotating shaft 9 is also arranged in parallel, so that the fixing rod 5, the connecting rod 7 and the rotating shaft 9 can form a parallelogram structure, and the back door assembly 1 can keep stable when the back door assembly is lifted down. And through designing dead lever 5, connecting rod 7 into U type structure, can make connecting rod 7 accomodate in dead lever 5 like this, make things convenient for the back door assembly 1 to be connected and closed with the automobile body.
Further, in order to increase the descending height of the rear door assembly 1, a connecting plate 10 is arranged on one side, far away from the rotating arm 6, of the connecting rod 7, a long hole is formed in the connecting rod 7 along the vertical direction, a connecting column 11 is slidably arranged in the long hole, one end of the connecting column 11 is fixedly connected with the connecting plate 10, the other end of the connecting column 11 is fixedly connected with a limiting plate 12, and the connecting plate 10 is in limiting sliding fit with the connecting rod 7 through the connecting column 11 and the limiting plate 12; one end of the hinge 8 far away from the back door assembly 1 is rotationally connected to the connecting plate 10, the back door assembly 1 is rotationally connected with the bottom end of the connecting plate 10, and the steel wire rope 4 is fixedly connected with the top end of the limiting plate 12.
When the connecting rod 7 descends to the lowest position under the action of the steel wire rope 4, the wire wheel 3 pays off the wire through the arrangement of the connecting plate 10, and the connecting plate 10 and the connecting rod 7 slide relatively under the action of gravity of the back door assembly 1, so that the back door assembly 1 descends to the height again, the goods in the container can be carried more conveniently, and meanwhile, the lifting of the back door assembly 1 can be independently realized by driving the motor 2 during goods loading and unloading.
Further, in order to reduce the abrasion of the steel wire rope 4, the fixed pulleys 13 are respectively arranged at the top ends of the connecting rod 7 and the fixed rod 5, and the steel wire rope 4 is wound on the fixed pulleys 13.
Further, in order to reduce the frictional force between the connecting plate 10 and the connecting rod 7, thereby facilitate the lift of the back door assembly 1, one side of the connecting plate 10 close to the connecting rod 7 is fixedly provided with a plurality of mounting blocks 14 along the vertical direction, the upper and lower both ends of the mounting blocks 14 are arc structures, one side of the mounting blocks 14 far away from the connecting plate 10 is provided with a mounting groove, the rotating roller 15 is rotationally connected in the mounting groove, the rotating roller 15 is arranged along the horizontal direction, and the connecting plate 10 is in sliding fit with the connecting rod 7 through the rotating roller 15.
Further, in order to reduce the contact area between the connecting rod 7 and the mounting block 14 and thus reduce the friction force between the mounting block 14 and the connecting rod 7, two ends of the rotating roller 15 are both rotatably connected with positioning plates 16, the groove walls of the mounting grooves are provided with sliding grooves, and the positioning plates 16 are mounted in the sliding grooves in a limiting sliding manner; an elastic block 17 is arranged in the sliding groove, one end of the elastic block 17 is fixedly connected with the bottom of the mounting groove, the other end of the elastic block 17 is fixedly connected with the positioning plate 16, and the elastic block 17 is any one of a polyurethane block and a rubber block.
The elastic block 17 applies acting force to the positioning plate 16, so that the rotating roller 15 can ensure the contact between the rotating roller 15 and the connecting rod 7 under the action of the elastic block 17 and the positioning plate 16, and simultaneously reduce the pressure between the rotating roller 15 and the connecting rod 7, thereby reducing the friction between the connecting rod 7 and the mounting block 14 and facilitating the sliding of the connecting plate 10 on the connecting rod 7.
The automatic lifting pick-up tail gate provided by the application can be applied to trucks such as common pick-up trucks, and when the automatic lifting pick-up tail gate is used, the motor 2 drives the wire wheel 3 to pay off, so that the rear door assembly 1 is laid down under the action of gravity, the rotary arm 6 rotates around the rotary shaft 9 in the process, the connecting rod 7 is separated from the fixed rod 5, then the goods in the container are placed on the rear door assembly 1, and then the wire wheel 3 is continuously controlled by the motor 2 to pay off, at the moment, the rotary arm 6 continuously rotates around the rotary shaft 9 under the action of the gravity of the rear door assembly 1 and the goods until reaching the lowest point which can be reached by the connecting rod 7, and at the moment, the lowest height which can be lowered by the rear door assembly 1 through the telescopic bracket is reached; then continue to pay off through motor 2 control reel 3, appear relative slip between connecting plate 10 and the connecting rod 7 this moment, the height that connecting plate 10 descends is decided by the length of slot hole on the connecting rod 7 to make back door assembly 1 descend the height once more, better adaptation packing box carries cargo, realizes its loading and unloading goods convenience, laborsaving.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (9)
1. The automatic lifting pick-up tail door is characterized by comprising a rear door assembly (1) and a lifting mechanism arranged on the rear door assembly (1), wherein the lifting mechanism is used for controlling the lifting of the rear door assembly (1);
the lifting mechanism comprises a rope driving assembly and a telescopic bracket, the telescopic bracket is of a parallelogram structure, and the rear door assembly (1) is arranged at the tail part of the truck box through the telescopic bracket; the rope driving assembly is fixedly arranged at the bottom of the truck box and used for driving the telescopic bracket to deform.
2. The automatic lifting pick-up tail gate according to claim 1, wherein the rope driving assembly comprises a motor (2) and a speed changer which are fixedly installed at the bottom of the truck box, an output shaft of the motor (2) is in transmission fit with the speed changer, a wire wheel (3) is fixedly connected to the output shaft of the speed changer, one end of a steel wire rope (4) is fixedly wound on the wire wheel (3), and the other end of the steel wire rope (4) is fixedly connected with the telescopic bracket.
3. The automatic lifting pick-up tail door according to claim 2, wherein the telescopic bracket comprises a fixed rod (5) fixedly arranged at the tail of the truck box, the bottom of the fixed rod (5) is rotatably connected with rotating arms (6), the number of the rotating arms (6) is not less than two, and two adjacent rotating arms (6) are arranged in parallel; one side of the rear door assembly (1) close to the wagon box is rotationally connected with a connecting rod (7), one end of the rotating arm (6) far away from the fixed rod (5) is rotationally connected with the top of the connecting rod (7), and the connecting rod (7) is parallel to the fixed rod (5); one side of the connecting rod (7) far away from the rotating arm (6) is rotationally connected with a hinge (8), and the tail end of the hinge (8) is hinged with the middle part of the rear door assembly (1); the steel wire rope (4) is fixedly matched with the top end of the connecting rod (7).
4. The automatic lifting pick-up tail gate according to claim 3, wherein the connecting rod (7) and the fixing rod (5) are of a U-shaped structure, rotating shafts (9) are rotatably connected in U-shaped grooves of the connecting rod (7) and the fixing rod (5), and two ends of the rotating arm (6) are rotatably connected with the connecting rod (7) and the fixing rod (5) through the rotating shafts (9); the width of the connecting rod (7) is not larger than the width of the U-shaped groove on the fixed rod (5).
5. The automatic lifting pick-up tail gate according to claim 3, wherein a connecting plate (10) is arranged on one side, far away from the rotating arm (6), of the connecting rod (7), a long hole is formed in the connecting rod (7) along the vertical direction, a connecting column (11) is slidably arranged in the long hole, one end of the connecting column (11) is fixedly connected with the connecting plate (10), the other end of the connecting column (11) is fixedly connected with a limiting plate (12), and the connecting plate (10) and the connecting rod (7) are in limiting sliding fit through the connecting column (11) and the limiting plate (12); one end of the hinge (8) far away from the back door assembly (1) is rotationally connected to the connecting plate (10), the back door assembly (1) is rotationally connected with the bottom end of the connecting plate (10), and the steel wire rope (4) is fixedly connected with the top end of the limiting plate (12).
6. An automatic lifting pick-up tail gate according to claim 3, characterized in that the top end of the connecting rod (7) and the top end of the fixing rod (5) are provided with fixed pulleys (13), and the steel wire rope (4) is wound on the fixed pulleys (13).
7. The automatic lifting pick-up tail gate according to claim 5, wherein a plurality of mounting blocks (14) are fixedly mounted on one side, close to the connecting rod (7), of the connecting plate (10) along the vertical direction, the upper end and the lower end of each mounting block (14) are of arc structures, a mounting groove is formed in one side, far away from the connecting plate (10), of each mounting block (14), a rotating roller (15) is rotationally connected to the mounting groove, the rotating rollers (15) are arranged along the horizontal direction, and the connecting plate (10) is in sliding fit with the connecting rod (7) through the rotating rollers (15).
8. The automatic lifting pick-up tail gate according to claim 7, wherein two ends of the rotating roller (15) are rotatably connected with positioning plates (16), a chute is formed in the wall of the mounting groove, and the positioning plates (16) are mounted in the chute in a limiting sliding manner; an elastic block (17) is arranged in the sliding groove, one end of the elastic block (17) is fixedly connected with the bottom of the mounting groove, and the other end of the elastic block (17) is fixedly connected with the positioning plate (16).
9. The automatic lifting pick-up tail gate according to claim 8, characterized in that the elastic block (17) is any one of a polyurethane block or a rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111916.XA CN117162755A (en) | 2023-08-31 | 2023-08-31 | Automatic lift pick up tail-gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111916.XA CN117162755A (en) | 2023-08-31 | 2023-08-31 | Automatic lift pick up tail-gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117162755A true CN117162755A (en) | 2023-12-05 |
Family
ID=88944202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311111916.XA Pending CN117162755A (en) | 2023-08-31 | 2023-08-31 | Automatic lift pick up tail-gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117162755A (en) |
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2023
- 2023-08-31 CN CN202311111916.XA patent/CN117162755A/en active Pending
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