Sealing device for tail door shielding plate of garbage truck

Abstract

The utility model relates to the technical field of garbage truck tail doors, in particular to a garbage truck tail door shielding plate sealing device which comprises two air cylinder supports and a shielding plate, the two air cylinder supports are movably connected with two air cylinders respectively, first connecting rods are movably installed at the movable ends of the two air cylinders respectively, and second connecting rods are movably installed at the movable ends of the two air cylinders respectively. One ends of the two first connecting rods are movably connected with first connecting rod supports respectively, the two ends of the shielding plate are movably installed between the other ends of the two first connecting rods, two second connecting rods are movably installed at the bottom end of the shielding plate, and one ends of the two second connecting rods are movably connected with two second connecting rod supports respectively. According to the scheme, the shielding plate can be driven to automatically move in the direction of the butt joint opening of the tail door of the garbage truck, the garbage residue area is shielded, and the operation convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of garbage truck rear doors, in particular to a garbage truck rear door shutter sealing device. Background Art

[0002] Compression docking garbage trucks and van garbage trucks, as important garbage collection and transfer equipment, the environmental protection and efficiency of their operation processes directly affect the environmental health quality of cities. In current operation practices, these vehicles load garbage at garbage compression stations and can significantly improve the loading capacity through compression technology. However, the problems of garbage residue and sewage splashing in the area of the carriage rear door have always been difficult to effectively solve.

[0003] Specifically, when the carriage is docked with the garbage compressor and the garbage loading is completed, in order to prevent garbage from continuing to enter the carriage, the carriage will lower the shutter to close the docking port. However, it is often difficult to completely cut and separate all the garbage after the shutter is lowered, resulting in easy garbage residue in the rear door area. In addition, the sewage in the residual garbage spills during the vehicle's driving, causing environmental pollution.

[0004] In response to the above problems, there are already some solutions on the market, but each has its limitations. For example, some hook-arm trucks adopt a design of directly driving the shutter by an oil cylinder. Although it can achieve automated operation, it has a complex structure, a large volume, and is not structurally applicable to existing compression docking garbage trucks and van garbage trucks. Additionally, there are some simple shutters. Although they have a simple structure and low cost, they require manual installation and disassembly, with a large labor intensity and low operation efficiency, and are difficult to meet the requirements of efficient and environmental protection operations. Content of the Utility Model

[0005] The purpose of the utility model is to solve the defects existing in the prior art, and a garbage truck rear door shutter sealing device is proposed.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: a garbage truck rear door shutter sealing device, including two cylinder supports and a shutter. Two cylinder supports are respectively movably connected with two cylinders. The movable ends of the two cylinders are both movably installed with a first connecting rod. One ends of the two first connecting rods are respectively movably connected with a first connecting rod support. The two ends of the shutter are movably installed between the other ends of the two first connecting rods. The bottom end of the shutter is movably installed with two second connecting rods. One ends of the two second connecting rods are respectively movably connected with two second connecting rod supports.

[0007] Preferably, a sewage groove is opened at the bottom of the shutter. A perforated plate is fitted and installed at the opening of the sewage groove. A deflector plate arranged obliquely is fitted and installed inside the sewage groove.

[0008] Preferably, a sewage discharge valve communicating with the sewage tank is installed through the bottom end of the baffle, and the sewage discharge valve corresponds to the position of the guide plate.

[0009] Preferably, a sealing rubber strip is provided on the side surface of the baffle, and the sealing rubber strip corresponds to the docking port position of the garbage truck tailgate.

[0010] Preferably, a U-shaped card slot is installed on the side surface of the baffle, and both ends of the sealing rubber strip are clamped into the U-shaped card slot.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In this solution, the oil cylinder is replaced by a cylinder. Compared with the installation method of the oil cylinder, the structure of the cylinder is relatively simple and compact, which is easy to install and maintain. Moreover, a connecting rod one, a connecting rod support one, a connecting rod two, and a connecting rod support two that play a role in transmission and guidance are arranged between the cylinder and the baffle to ensure that the baffle remains stable during the lifting process, and can drive the baffle to automatically move towards the docking port of the garbage truck tailgate, reducing the area of garbage residue on the baffle and improving the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Isometric view of the utility model installed on the garbage truck tailgate;

[0014] Figure 2 Side view of the utility model installed on the garbage truck tailgate;

[0015] Figure 3 Schematic structural view of the baffle of a garbage truck tailgate baffle sealing device of the utility model;

[0016] Figure 4 Enlarged view of part A of a garbage truck tailgate baffle sealing device of the utility model;

[0017] Figure 5 Schematic structural view of a garbage truck tailgate baffle sealing device of the utility model;

[0018] Figure 6 Isometric view of a garbage truck tailgate baffle sealing device of the utility model.

[0019] In the figure: cylinder support 1, pin shaft one 2, cylinder 3, pin shaft two 4, baffle 5, pin shaft three 5.1, pin shaft four 5.2, U-shaped card slot 5.3, perforated plate 5.4, sewage tank 5.6, guide plate 5.5, connecting rod one 6, sewage discharge valve 7, connecting rod support one 8, connecting rod two 9, connecting rod support two 10, sealing rubber strip 11. DETAILED DESCRIPTION OF THE INVENTION

[0020] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variants.

[0021] As Figure 1-6 shown, a sealing device for the tailgate cover of a garbage truck includes two cylinder supports 1 and a cover plate 5. The two cylinder supports 1 are respectively movably connected with two cylinders 3 through a first pin shaft 2. The movable ends of the two cylinders 3 are both movably installed with a first connecting rod 6 through a second pin shaft 4. One ends of the two first connecting rods 6 are respectively movably connected with a first connecting rod support 8 through a pin shaft. The two ends of the cover plate 5 are respectively movably installed between the other ends of the two first connecting rods 6 through a third pin shaft 5.1. The bottom end of the cover plate 5 is respectively movably installed with two second connecting rods 9 through a fourth pin shaft 5.2. One ends of the two second connecting rods 9 are respectively movably connected with two second connecting rod supports 10 through a pin shaft. The cylinders 3 are supplied with air from the vehicle chassis air source, and a solenoid valve controls the action of the cylinders 3. When the solenoid valve is powered on, the rod chamber or the non-rod chamber of the cylinder 3 is ventilated, driving the piston rod to extend and retract, facilitating the control of the rising or falling movement of the cover plate 5. When the cover plate 5 rises, the rod chamber of the cylinder 3 is ventilated, the piston rod contracts, pulling the first connecting rod 6 to perform an arc movement on the first connecting rod support 8. At the same time, the first connecting rod 6 drives the cover plate 5 to synchronously perform an upward arc movement. While the bottom end of the cover plate 5 performs an arc movement on the second connecting rod 9, it drives the second connecting rod 9 to move upward. After the second connecting rod 9 is stressed, it performs an upward arc movement on the second connecting rod support 10, facilitating the driving of the cover plate 5 to rise and tightly fit against the tailgate docking plane, compressing the sealing rubber strip 11 to form a seal. At this time, the sewage tank starts to collect sewage, and after the vehicle reaches the designated location, it is discharged through a sewage discharge valve 7. When the cover plate 5 descends, the non-rod chamber of the cylinder 3 is ventilated, the piston rod extends, driving the cover plate 5 to descend. The end face of the cover plate panel does not exceed the tailgate docking plane, and does not affect the docking of the garbage compressor and the carriage.

[0022] A sewage tank 5.6 is opened at the bottom of the cover plate 5. A perforated plate 5.4 is fitted at the opening of the sewage tank 5.6. An inclined arrangement of flow guiding plates 5.5 is fitted inside the sewage tank 5.6. The sewage tank 5.6 is used to receive the sewage leaking from the tailgate docking port of the garbage truck. The perforated plate 5.4 is used to filter impurities in the sewage, so that the impurities stay on the top of the perforated plate 5.4, while the sewage drops on the top of the flow guiding plate 5.5. The sewage flows obliquely through the flow guiding plate 5.5 into the sewage tank 5.6.

[0023] A sewage discharge valve 7 communicating with the sewage tank 5.6 is installed through the bottom end of the cover plate 5. The sewage discharge valve 7 corresponds to the position of the flow guiding plate 5.5. The sewage discharge valve 7 is used to control the discharge of the sewage in the sewage tank 5.6 and discharge the sewage to a designated location for treatment.

[0024] The side of the baffle 5 is provided with a sealing strip 11, and the sealing strip 11 corresponds to the docking port position of the garbage truck tailgate. When the baffle 5 is lifted to be tightly attached to the plane of the docking port of the tailgate, the sealing strip 11 is compressed to form an effective seal, preventing the leakage of garbage and sewage.

[0025] The side of the baffle 5 is installed with a U-shaped card slot 5.3, and both ends of the sealing strip 11 are snapped into the U-shaped card slot 5.3. The U-shaped card slot 5.3 is used to fix the position of the sealing strip 11 and is convenient for later maintenance and replacement.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing device for a tailgate shutter of a garbage truck, comprising two cylinder supports (1) and a shutter (5), characterized in that: The two cylinder supports (1) are movably connected to the two cylinders (3), the movable ends of the two cylinders (3) are movably mounted with connecting rods (6), one end of the two connecting rods (6) is movably connected to connecting rod supports (8), the two ends of the baffle (5) are movably mounted between the other ends of the two connecting rods (6), the bottom end of the baffle (5) is movably mounted with two connecting rods (9), one end of the two connecting rods (9) is movably connected to two connecting rod supports (10).

2. A garbage truck tailgate shutter sealing device according to claim 1, characterized in that: A sewage trough (5.6) is provided at the bottom of the shield plate (5), a porous plate (5.4) is installed in cooperation with the opening of the sewage trough (5.6), and an inclined guide plate (5.5) is installed in cooperation with the interior of the sewage trough (5.6).

3. A garbage truck tailgate shutter sealing device according to claim 2, characterized in that: A sewage valve (7) connected to the sewage tank (5.6) is installed through the bottom end of the shield plate (5), and the sewage valve (7) corresponds to the position of the guide plate (5.5).

4. A garbage truck tailgate shutter sealing device according to claim 1, characterized in that: A sealing strip (11) is provided on the side of the shielding plate (5), and the sealing strip (11) corresponds to the position of the docking interface of the tailgate of the garbage truck.

5. A sealing device for a tailgate shutter of a garbage truck according to claim 4, characterized in that: A U-shaped slot (5.3) is installed on the side of the shield plate (5), and both ends of the sealing rubber strip (11) are inserted into the U-shaped slot (5.3).

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