Back door sealing device of van type garbage truck

Abstract

The utility model discloses a rear door sealing device of a van type garbage truck, which belongs to the technical field of garbage transportation and comprises a rear door hydraulic connecting rod and a sealing strip. The rear door hydraulic connecting rod is arranged on the side face of the carriage and connected with the carriage and the rear door. The sealing strip is arranged at the joint of the rear door and the carriage; the rear door hydraulic connecting rod comprises a rear door connecting frame, a first rotating shaft, a rotating shaft moving groove and a first hydraulic supporting rod; a first rotating shaft is arranged on the side face of the compartment, a rotating shaft moving groove is formed in the center of the rear door connecting frame, and the first rotating shaft penetrates through the rotating shaft moving groove to be rotationally connected with the rear door connecting frame and the compartment. One end of the first hydraulic supporting rod is rotationally connected to the side face of the carriage, and the other free end is rotationally connected with the rear door connecting frame; the movable end of the rear door connecting frame is fixedly connected with the rear door. The rear door has the advantages of simple structure, large opening and closing angle of the rear door and good sealing performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of garbage transportation, and more specifically relates to a rear door sealing device for a van-type garbage truck. Background Art

[0002] When transporting garbage, the garbage is usually loaded into the compartment from the back of the garbage transfer truck, and then dumped out and sorted at the garbage station. Since sewage is generated during garbage transportation, the garbage truck needs to have good sealing to prevent sewage from flowing out and polluting the environment.

[0003] The existing rear door of the garbage truck is designed as a double-door structure, with a manual side-opening rear door, and the rear door locking device is a mechanical structure, which has poor sealing performance. In addition, manual opening and closing of the rear door of the garbage truck increases the labor intensity of the operator and is unhygienic. Some garbage trucks (such as the invention patent with patent number 201510475494.3) use a hydraulic cylinder to control the rear door to flip up and open, but there are problems such as insufficient opening angle of the rear door, unstable opening and closing process, complex structure, high cost, and many faults. After closing, the rear door and the car body are not buckled in place, and the sealing performance is poor.

[0004] Therefore, how to provide a rear door sealing device for a van-type garbage truck is a problem that those skilled in the art urgently need to solve. Utility Model Content

[0005] In view of this, the utility model provides a rear door sealing device for a van-type garbage truck, which has the advantages of simple structure, large rear door opening and closing angle, and good sealing performance.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A rear door sealing device for a box-type garbage truck comprises a rear door hydraulic connecting rod and a sealing strip; the rear door hydraulic connecting rod is arranged on the side of the car body, connecting the car body and the rear door; the sealing strip is arranged at the joint between the rear door and the car body; the rear door hydraulic connecting rod comprises a rear door connecting frame, a first rotating shaft, a rotating shaft moving groove and a first hydraulic support rod; a first rotating shaft is provided on the side of the car body, and a rotating shaft moving groove is provided in the center of the rear door connecting frame, and the first rotating shaft passes through the rotating shaft moving groove to rotationally connect the rear door connecting frame and the car body; one end of the first hydraulic support rod is rotatably connected to the side of the car body, and the other free end is rotatably connected to the rear door connecting frame; the movable end of the rear door connecting frame is fixedly connected to the rear door.

[0008] Furthermore, the rear door connecting frame is Y-shaped, including an A end, a B end and a C end, the A end and the B end are fixedly connected to the rear door by connecting bolts, and the C end is movably connected to the first hydraulic support rod.

[0009] Furthermore, one end of the first hydraulic support rod is rotatably connected to the vehicle compartment via a first rotating base, and the other free end is rotatably connected to the C end of the rear door connecting frame.

[0010] Furthermore, the rear door sealing device of the box-type garbage truck also includes a side reinforcement lock, which is arranged at the bottom of the side of the compartment and is used to connect the compartment and the rear door.

[0011] Furthermore, the side reinforcement lock includes a second hydraulic support rod, a rotating bolt, a second rotating shaft and a rotating lock; the second hydraulic support rod is rotatably connected to the side of the vehicle body, and the other free end is rotatably connected to the rotating lock through a rotating bolt; the second rotating shaft is fixed to the side of the vehicle body, and the second rotating shaft passes through the rotating lock to rotationally connect the rotating lock and the vehicle body; the rotating lock connects and locks the vehicle body and the rear door.

[0012] Furthermore, one end of the second hydraulic support rod is rotatably connected to the carriage via a second rotating base.

[0013] Furthermore, a fixing groove is provided on one side of the rotating lock away from the second rotating shaft and the rotating bolt, and a fixing bolt is provided at the lower part of the rear door, and the fixing groove cooperates with the fixing bolt to lock the vehicle compartment and the rear door.

[0014] Furthermore, the sealing strip is in the shape of a long strip below the upper circle in cross section, with a through hole in the center; the lower end surface of the sealing strip is bonded to the joint between the rear door and the carriage to prevent sewage in the garbage from flowing out.

[0015] The beneficial effects of the utility model are:

[0016] The utility model discloses a sealing device for the rear door of a box-type garbage truck. By arranging a rear door hydraulic connecting rod to connect the rear door and the truck compartment, the rear door can be controlled to open and close at a large angle and the opening and closing of the rear door can be automatically controlled. After the rear door is closed, the rear door is locked together by the rear door hydraulic connecting rod and the side reinforcement lock, thereby increasing the sealing performance of the rear door and preventing garbage from polluting the environment. A sealing strip is also included to further increase the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of the utility model when the rear door is in an open state.

[0019] Figure 2It is a schematic diagram of the structure of the utility model when the rear door is in a closed state.

[0020] Figure 3 It is a cross-sectional view of the sealing strip of the utility model.

[0021] Among them, in the figure:

[0022] 1-rear door hydraulic connecting rod; 2-side reinforcement lock; 3-sealing strip; 4-carriage; 5-rear door; 11-rear door connecting frame; 12-connecting bolt; 13-first rotating shaft; 14-rotating shaft moving groove; 15-hydraulic support rod; 16-first rotating base; 21-second hydraulic support rod; 22-rotating bolt; 23-second rotating shaft; 24-rotating lock buckle; 25-second rotating base; 26-fixing groove; 27-fixing bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0024] Please see attached Figure 1 The utility model provides a rear door sealing device for a van-type garbage truck, comprising a rear door hydraulic connecting rod 1, a side reinforcement lock 2 and a sealing strip 3.

[0025] The rear door hydraulic connecting rod 1 is arranged on the side of the carriage 4, and includes a rear door connecting frame 11, a first rotating shaft 13, a rotating shaft moving groove 14 and a first hydraulic support rod 15;

[0026] The rear door connecting frame 11 is Y-shaped, including an A end, a B end and a C end, and the A end and the B end are fixedly connected to the rear door 5 by connecting bolts 12; a first rotating shaft 13 is provided on the side of the carriage 4, and a rotating shaft moving groove 14 is provided at the center of the rear door connecting frame 11, and the first rotating shaft 13 passes through the rotating shaft moving groove 14 to rotatably connect the rear door connecting frame 11 and the carriage 4, and when the rear door connecting frame 11 rotates, the first rotating shaft 13 can move in the rotating shaft moving groove 14;

[0027] One end of the first hydraulic support rod 15 is provided with a first rotating base 16, which is rotatably connected to the side of the car body 4, and the other free end is rotatably connected to the C end of the rear door connecting frame 11. The first hydraulic support rod 15 is telescopically controlled to control the rear door connecting frame 11 to rotate along the rotating shaft 13, controls the rear door 5 to flip up at a large angle, and controls the rear door 5 to be tightly fastened with the car body 4 after closing.

[0028] Please see attached Figure 3 The side reinforcement lock 2 is arranged at the bottom of the side of the carriage 4, and is used to connect the carriage 4 and the rear door 5, and includes a second hydraulic support rod 21, a rotating bolt 22, a second rotating shaft 23 and a rotating lock 24; one end of the second hydraulic support rod 21 is provided with a second rotating base 25, the second hydraulic support rod 21 is rotatably connected to the side of the carriage 4, and the other free end is rotatably connected to the rotating lock 24 through the rotating bolt 22; the second rotating shaft 23 is fixed to the side of the carriage 4, and the second rotating shaft 23 passes through the rotating lock 24 to rotatably connect the rotating lock 24 and the carriage 4; the rotating lock 24 is provided with a fixing groove 26 that cooperates with the fixing bolt 27 of the rear door 5 on the side away from the second rotating shaft 23 and the rotating bolt 22. When the rear door 5 is closed, the second hydraulic support rod 21 pushes the rotary lock to rotate, and the fixed groove buckles the fixing bolt 27 on the rear door 5, thereby connecting and locking the car body 4 and the rear door 5; after the rear door 5 is closed, the first hydraulic support rod 15 controls the rear door 5 to be tightly buckled with the car body 4, and the side wall reinforcement lock 2 locks the car body 4 and the rear door 5, further making the rear door 5 and the car body 4 tightly buckled, thereby preventing the garbage liquid in the car from flowing out and polluting the environment.

[0029] Figure 3 It is a cross-sectional view of the sealing strip 3, which is a long strip below the upper circle of the cross section, with a through hole in the center; the lower end surface of the sealing strip is bonded to the joint between the rear door 5 and the car 4 to prevent sewage in the garbage from flowing out.

[0030] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rear door sealing device for a van-type garbage truck, characterized in that: The invention comprises a rear door hydraulic connecting rod (1) and a sealing strip (3); the rear door hydraulic connecting rod (1) is arranged on the side of the carriage (4) to connect the carriage (4) and the rear door (5); the sealing strip is arranged at the joint between the rear door (5) and the carriage (4); the rear door hydraulic connecting rod (1) comprises a rear door connecting frame (11), a first rotating shaft (13), a rotating shaft moving groove (14) and a first hydraulic support rod (15); the side of the carriage (4) is provided with a first rotating shaft (13), the center of the rear door connecting frame (11) is provided with a rotating shaft moving groove (14), the first rotating shaft (13) passes through the rotating shaft moving groove (14) to rotatably connect the rear door connecting frame (11) and the carriage (4); one end of the first hydraulic support rod (15) is rotatably connected to the side of the carriage (4), and the other free end is rotatably connected to the rear door connecting frame (11); the movable end of the rear door connecting frame (11) is fixedly connected to the rear door (5).

2. The rear door sealing device of a van-type garbage truck according to claim 1, characterized in that: The rear door connecting frame (11) is Y-shaped and comprises an A end, a B end and a C end, the A end and the B end are fixedly connected to the rear door (5) via connecting bolts (12), and the C end is movably connected to the first hydraulic support rod (15).

3. The rear door sealing device of a van-type garbage truck according to claim 2, characterized in that: One end of the first hydraulic support rod (15) is rotatably connected to the carriage (4) via a first rotating base (16), and the other free end is rotatably connected to the C end of the rear door connecting frame (11).

4. The rear door sealing device of a van-type garbage truck according to claim 1, characterized in that: The rear door sealing device of the van-type garbage truck also includes a side reinforcement lock (2) which is arranged at the bottom of the side of the vehicle compartment (4) and is used to connect the vehicle compartment (4) and the rear door (5).

5. The rear door sealing device of a van-type garbage truck according to claim 4, characterized in that: The side reinforcement lock (2) comprises a second hydraulic support rod (21), a rotating bolt (22), a second rotating shaft (23) and a rotating lock catch (24); the second hydraulic support rod (21) is rotationally connected to the side of the carriage (4), and the other free end is rotationally connected to the rotating lock catch (24) via the rotating bolt (22); the second rotating shaft (23) is fixed to the side of the carriage (4), and the second rotating shaft (23) passes through the rotating lock catch (24) to rotationally connect the rotating lock catch (24) and the carriage (4); the rotating lock catch (24) connects and locks the carriage (4) and the rear door (5).

6. The rear door sealing device of a van-type garbage truck according to claim 5, characterized in that: One end of the second hydraulic support rod (21) is rotatably connected to the carriage (4) via a second rotating base (25).

7. The rear door sealing device of a van-type garbage truck according to claim 5, characterized in that: A fixing groove (26) is provided on one side of the rotating lock catch (24) away from the second rotating shaft (23) and the rotating bolt (22), and a fixing bolt (27) is provided at the lower part of the rear door (5). The fixing groove (26) and the fixing bolt (27) cooperate to lock the vehicle compartment (4) and the rear door (5).

8. The rear door sealing device of a van-type garbage truck according to claim 1, characterized in that: The sealing strip (3) is in the shape of a long strip with a cross-section below the upper circle and a through hole at the center; the lower end surface of the sealing strip is bonded to the joint between the rear door (5) and the carriage (4) to prevent sewage in the garbage from flowing out.

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