CN220349555U - Automatic locking mechanism for side-opening rear door of dump truck - Google Patents
Automatic locking mechanism for side-opening rear door of dump truck Download PDFInfo
- Publication number
- CN220349555U CN220349555U CN202321270714.5U CN202321270714U CN220349555U CN 220349555 U CN220349555 U CN 220349555U CN 202321270714 U CN202321270714 U CN 202321270714U CN 220349555 U CN220349555 U CN 220349555U
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- opening
- rear door
- dump truck
- locking mechanism
- hook
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- 238000012856 packing Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 description 4
- 241000282326 Felis catus Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an automatic locking mechanism of a side-opening rear door of a dump truck, which comprises a lock hook assembly and at least one lock column, wherein the lock hook assembly is driven by a power mechanism, the lock hook assembly is arranged in a rear column inner cavity of a side plate of a cargo box close to the side opening of the rear door of the cargo box, the lock column is arranged at the side opening of the rear door of the cargo box, and the power mechanism can drive a hook part of the lock hook assembly to extend out of the rear column and then hook or release the lock column so as to lock or unlock the rear door of the cargo box. The automatic locking mechanism for the side-opening rear door of the dump truck is simple in structural design, can achieve the function that a person can open the rear door of the cargo box when away from the cargo box, saves the door opening time, and avoids risks.
Description
Technical Field
The utility model relates to the technical field of dump trucks and dump semitrailers, in particular to a side-opening rear door automatic locking mechanism suitable for a rear-tipping dump truck or a semitrailer.
Background
The existing rear dump truck or semitrailer side-opening rear door lock is manually opened, and cargo is loaded on a cargo box to push the rear door, so that the rear door lock is laborious to open. Traditional tool to lock sets up in packing box eminence, needs the people to get on the car through the cat ladder and opens the tool to lock. It takes a certain time to open the back door at each discharge. Meanwhile, when the lock of the rear door is opened, the distance between a person and the vehicle door is relatively short, and when the lock is opened, the rear door is opened to enable cargoes to be scattered, and if operators are not easy to hurt due to the fact that the operators are not easy to dodge.
Therefore, how to design an automatic locking mechanism for a side-opening rear door of a dump truck, which can solve the technical problems, is a subject of intensive research by the inventor.
Disclosure of Invention
The utility model aims to provide an automatic locking mechanism for a side-opening rear door of a dump truck, which has simple structural design, can realize the function that a person can open the rear door of a cargo box when away from the cargo box, saves the door opening time and avoids risks.
In order to achieve the above object, the technical solution of the present utility model is: the utility model provides a self-discharging vehicle side-opening back door automatic locking mechanism, includes latch hook assembly and at least one lock post that is driven by power unit, latch hook assembly sets up in the rear pillar inner chamber of the packing box curb plate that is close to packing box back door side open end, the lock post set up in the side open end of packing box back door, power unit can drive latch hook assembly's hook portion stretches out behind the rear pillar hook or unclamp the lock post to realize to locking or opening of packing box back door.
The side-opening rear door automatic locking mechanism of the dump truck provided by the utility model is characterized in that the power mechanism adopts a hydraulic cylinder, the hydraulic cylinder is arranged in the inner cavity of the rear upright post, and the hydraulic cylinder is hinged with the lock hook assembly.
The utility model discloses an automatic locking mechanism for a side-opening rear door of a dump truck, wherein the locking hook assembly comprises a vertical connecting rod positioned in an inner cavity of a rear upright post, the connecting rod is hinged with one end of at least one hook part, the connecting rod is connected with a hydraulic cylinder, each hook part is respectively arranged in the inner cavity of the rear upright post through a pin shaft, and when a piston rod of the hydraulic cylinder stretches out and draws back, the other end of the hook part can be driven to extend out of the rear upright post and then hook or release the locking post, so that the rear door of a cargo box is locked or unlocked.
The utility model discloses an automatic locking mechanism for a side-opening rear door of a dump truck, wherein a rear upright post is of a hollow pipe body structure, at least one opening is formed in the position, corresponding to the position of a lock hook, of the rear surface of the rear upright post, and one end of a hook part extends out of the opening.
The utility model discloses an automatic locking mechanism for a side-opening rear door of a dump truck, wherein detection doors are respectively arranged on the side surfaces of rear posts at positions corresponding to the positions of hooks.
The utility model discloses an automatic locking mechanism for a side-opening rear door of a dump truck, wherein the hook part is L-shaped.
The utility model discloses an automatic locking mechanism for a side-opening rear door of a dump truck, wherein a hinge seat is arranged at the lower part of the side surface of a connecting rod, and a piston rod of a hydraulic oil cylinder is connected with the hinge seat through a pin shaft.
The automatic locking mechanism for the side-opening rear door of the dump truck further comprises a control mechanism, wherein the control mechanism is connected with the power mechanism through a circuit, and the power mechanism works under the control of the control mechanism so as to drive the latch hook assembly to act.
After the scheme is adopted, the automatic locking mechanism for the side-opening rear door of the dump truck controls the hook part of the lock hook assembly to act through the power mechanism so as to lock or unlock three lock columns, so that the locking or unlocking of the rear door of the cargo box is realized, the structural design is simple, the function that a person can open the rear door of the cargo box when away from the cargo box is realized, the door opening time is saved, and the risk is avoided.
Drawings
FIG. 1 is a schematic diagram of a side-opening rear door automatic locking mechanism in a locked state of a dump truck;
FIG. 2 is a schematic view of the automatic locking mechanism of the side-opening rear door of the dump truck in an open state;
FIG. 3 is a schematic structural view of an embodiment of the self-dumping truck side-opening back door automatic locking mechanism of the utility model when locking a cargo box back door;
fig. 4 is a schematic structural view of an embodiment of the automatic locking mechanism for a side-opening rear door of a dump truck when the rear door of a cargo box is opened.
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings.
Detailed Description
As shown in fig. 1 to 4, the automatic locking mechanism of the side-opening rear door of the dump truck comprises a power mechanism controlled by a control mechanism, a lock hook assembly 1 driven by the power mechanism and at least one lock column 2. The control mechanism is connected with the power mechanism through a circuit, and the power mechanism works under the control of the control mechanism, so that the latch hook assembly 1 is driven to act. The lock cylinder 2 of the present embodiment adopts three. Specifically, the shackle assembly 1 is disposed in an interior cavity of a rear pillar 5 of a cargo box side panel 4 adjacent a side open end of a cargo box rear door 3. The three lock posts 2 are arranged at intervals from top to bottom on the side open ends of the rear door 3 of the cargo box. The power mechanism adopts a hydraulic cylinder 6, the hydraulic cylinder 6 is arranged in the inner cavity of the rear upright post 5, the rear upright post 5 adopts a hollow pipe body structure, and the embodiment adopts a rectangular tubular structure.
Referring to fig. 1 and 2, the latch hook assembly 1 includes a vertical connecting rod 7 located in an inner cavity of the rear pillar 5, the connecting rod 7 is hinged with one end of three hook portions 8 through a pin shaft, and the hook portions 8 are L-shaped. Three openings 9 are formed in the positions, corresponding to the positions of the three hooks 8, of the rear surface of the rear upright post 5, and the other ends of the three hooks 8 extend out of the three openings 9. The lower part of the side surface of the connecting rod 7 is provided with a hinging seat 10, and a piston rod 11 of the hydraulic oil cylinder 6 is connected with the hinging seat 10 through a pin shaft. The side surfaces of the rear upright posts 5 are respectively provided with detection doors 12 at positions corresponding to the positions of the three hook parts 8.
The control mechanism of the embodiment adopts a handle button, and the piston rod 11 of the hydraulic oil cylinder 6 is controlled to perform telescopic movement by pressing the handle button.
Referring to fig. 1 and 3, when the handle button is pressed to extend the piston rod 11 of the hydraulic cylinder 6 upward, the piston rod 11 drives the hinge base 10 and the connecting rod 7 to move upward together, and the connecting rod 7 drives the three hook portions 8 to rotate clockwise around the hinge pins of the connecting rod 7 respectively, so that the three hook portions 8 rotate to lock the three lock posts 2, thereby locking the container back door 3.
Referring to fig. 2 and 4, when the handle button is pressed to make the piston rod 11 of the hydraulic cylinder 6 retract downward, the piston rod 11 drives the hinge base 10 and the connecting rod 7 to move downward together, the connecting rod 7 drives the three hook portions 8 to rotate counterclockwise with the hinge pin shafts of the connecting rod 7 as circle centers, so that the three hook portions 8 rotate to release the three lock posts 2, and the container back door 3 can be opened.
According to the automatic locking mechanism for the side-opening rear door of the dump truck, the piston rod 11 of the hydraulic oil cylinder 6 is enabled to conduct telescopic motion through the control handle button so as to drive the connecting rod 7 to move up and down, the connecting rod 7 drives the three hook parts 8 to respectively rotate clockwise or anticlockwise by taking the hinge pin shafts of the connecting rod 7 as circle centers, so that the three locking columns 2 are locked or unlocked, the locking or unlocking of the rear door 3 of the cargo box is achieved, the structural design is simple, the function that a person can unlock the rear door 3 of the cargo box when away from the cargo box is achieved, the door opening time is saved, and risks are avoided.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (8)
1. The utility model provides a self-discharging vehicle side-opening back door automatic locking mechanism which characterized in that includes latch hook assembly and at least one lock post that is driven by power unit, the latch hook assembly sets up in the rear pillar inner chamber of the packing box curb plate that is close to packing box back door side open end, the lock post set up in the side open end of packing box back door, power unit can drive latch hook assembly's hook portion stretches out behind the rear pillar hook or unclamp the lock post to realize to locking or opening of packing box back door.
2. The automatic side-opening rear door locking mechanism of the dump truck according to claim 1, wherein the power mechanism adopts a hydraulic cylinder, the hydraulic cylinder is installed in an inner cavity of the rear upright post, and the hydraulic cylinder is hinged with the locking hook assembly.
3. The automatic locking mechanism for the side-opening rear door of the dump truck according to claim 2, wherein the locking hook assembly comprises a vertical connecting rod positioned in the inner cavity of the rear upright post, the connecting rod is hinged with one end of at least one hook part, the connecting rod is connected with a hydraulic cylinder, each hook part is respectively arranged in the inner cavity of the rear upright post through a pin shaft, and when a piston rod of the hydraulic cylinder stretches out and draws back, the other end of the hook part can be driven to extend out of the rear upright post to hook or release the locking post, so that the rear door of the cargo box is locked or unlocked.
4. The automatic side-opening rear door locking mechanism of dump truck according to claim 3, wherein the rear upright post adopts a hollow pipe body structure, at least one opening is arranged at a position corresponding to the position of the latch hook on the rear surface of the rear upright post, and one end of the hook part extends out of the opening.
5. The automatic side-opening rear door locking mechanism of a dump truck according to claim 4, wherein detection doors are provided on the rear pillar side surfaces at positions corresponding to the hook positions, respectively.
6. The automatic side-opening rear door locking mechanism of a dump truck according to claim 3, wherein the hook portion is L-shaped.
7. The automatic side-opening rear door locking mechanism of the dump truck according to claim 3, wherein a hinge seat is arranged at the lower part of the side face of the connecting rod, and a piston rod of the hydraulic cylinder is connected with the hinge seat through a pin shaft.
8. The automatic side-opening rear door locking mechanism of the dump truck according to claim 1, further comprising a control mechanism, wherein the control mechanism is connected with the power mechanism through a line, and the power mechanism works under the control of the control mechanism so as to drive the latch hook assembly to act.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270714.5U CN220349555U (en) | 2023-05-22 | 2023-05-22 | Automatic locking mechanism for side-opening rear door of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270714.5U CN220349555U (en) | 2023-05-22 | 2023-05-22 | Automatic locking mechanism for side-opening rear door of dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220349555U true CN220349555U (en) | 2024-01-16 |
Family
ID=89504623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321270714.5U Active CN220349555U (en) | 2023-05-22 | 2023-05-22 | Automatic locking mechanism for side-opening rear door of dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220349555U (en) |
-
2023
- 2023-05-22 CN CN202321270714.5U patent/CN220349555U/en active Active
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