Kitchen vehicle rear cover locking mechanism safety device and kitchen vehicle

By introducing a safety device into the locking mechanism of the rear cover of the kitchen truck, the pin body and the cylinder sheath limit telescopic shaft are used to solve the problem of loose locking mechanism, and the reliable locking of the rear cover is achieved, preventing garbage from being thrown out, and improving safety.

CN223073159UActive Publication Date: 2025-07-08HANGZHOU ENVIRONMENTAL GROUP
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Patent Information

Application Number
CN202421998954.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-07-08
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

The locking mechanism of the rear cover of the existing kitchen truck is prone to loosening of the cylinder due to bumps or vibrations during transportation, causing the rear cover to automatically pop open, polluting the environment and affecting traffic safety.

Method used

A safety device for the locking mechanism of the kitchen car rear cover is designed, including a latch body, a latch hole shaft and a cylinder sheath. The telescopic shaft is fixed by limiting the retraction, and the double protection is achieved with the connecting rope to ensure that the locking cylinder cannot be retracted when the rear cover is not opened.

Benefits of technology

The safety of the rear cover locking mechanism is improved, preventing the rear cover from being opened due to loosening of the locking mechanism, ensuring that kitchen waste is not thrown out, and ensuring environmental and traffic safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of kitchen truck structures, and discloses a kitchen truck rear cover locking mechanism safety device and a kitchen truck, the kitchen truck rear cover locking mechanism safety device comprises a plug pin body, a plug pin hole shaft and an oil cylinder sheath, the plug pin body is fixed on one side of an oil cylinder mounting seat, the oil cylinder sheath can be sleeved on the periphery of a telescopic shaft of a rear cover locking oil cylinder, and the plug pin hole shaft is fixed on the plug pin body. The plug pin hole shaft is welded and fixed with the outer side of the oil cylinder sheath, and the plug pin body is inserted into the plug pin hole shaft to fix the oil cylinder sheath on the telescopic shaft so as to limit the retraction of the telescopic shaft. According to the rear cover locking mechanism, the safety device is additionally arranged at the position of the rear cover locking oil cylinder, so that double protection of rear cover locking is achieved, under the condition that the rear cover safety device is not opened, the locking oil cylinder cannot be retracted, the mechanical protection effect is achieved, the safety of the rear cover locking mechanism is improved, and the rear cover is prevented from being opened due to looseness of the locking mechanism.
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Description

Technical Field

[0001] The utility model belongs to the technical field of the structure of kitchen waste trucks, and particularly relates to an insurance device for a rear cover locking mechanism of a kitchen waste truck and a kitchen waste truck. Background Art

[0002] A kitchen waste truck is a vehicle used to transport kitchen waste. There is a rear cover at the rear of the vehicle body. The rear cover can be opened for dumping kitchen waste. After dumping, the rear cover is closed and locked by a rear cover locking structure. Most of the existing rear cover locking mechanisms of kitchen waste trucks adopt an oil cylinder pin locking method. During transportation, due to road bumps, vibrations or faults in the upper loading system, the oil cylinder locking hook is likely to become loose, resulting in the automatic opening of the rear cover, causing the kitchen waste to be scattered on the urban road, not only causing environmental pollution, but also affecting the traffic safety of other vehicles. Content of the Utility Model

[0003] The purpose of the utility model is to provide an insurance device for a rear cover locking mechanism of a kitchen waste truck and a kitchen waste truck to solve the above technical problems.

[0004] To achieve the above purpose, the specific technical solutions of an insurance device for a rear cover locking mechanism of a kitchen waste truck and a kitchen waste truck of the utility model are as follows:

[0005] An insurance device for a rear cover locking mechanism of a kitchen waste truck includes a pin body, a pin hole shaft and an oil cylinder sheath. The pin body is fixed on one side of the oil cylinder mounting seat. The oil cylinder sheath can be sleeved on the outer periphery of the telescopic shaft of the rear cover locking oil cylinder and is limited and fixed on the telescopic shaft. The pin hole shaft is fixedly welded to the outside of the oil cylinder sheath. The pin body is inserted into the pin hole shaft to fix the oil cylinder sheath on the telescopic shaft, restricting the retraction of the telescopic shaft.

[0006] Further, a limit sleeve is provided below the telescopic shaft, and a locking pin is provided below the limit sleeve. After the telescopic shaft extends out, the locking pin is inserted into the locking hole, and the oil cylinder sheath is limited by the limit sleeve after being sleeved on the telescopic shaft.

[0007] Further, the pin body includes a pin sleeve and a pin. The pin is movably arranged in the pin sleeve. The pin sleeve is provided with a chute and a locking groove. The pin expands and contracts in the chute of the pin sleeve and is fixed by the locking groove.

[0008] Further, a connecting rope is fixedly connected to the outside of the pin hole shaft. One end of the connecting rope is fixedly connected to the pin hole shaft, and the other end is fixedly connected to the oil cylinder mounting seat.

[0009] Further, the oil cylinder sheath is in a shape with one end open, and the opening diameter is larger than the outer diameter of the telescopic shaft.

[0010] Further, the oil cylinder sheath is semi-circular ring-shaped.

[0011] Furthermore, the height of the cylinder sheath is equal to the length that the telescopic shaft extends out.

[0012] The utility model also discloses a kitchen waste truck, which comprises a box body and a rear cover. There is a rear cover lock piece perpendicular to the rear cover under the rear cover. The rear cover lock piece is provided with a locking hole. The box body is provided with a cylinder mounting seat. A rear cover locking cylinder is installed above the cylinder mounting seat. The telescopic shaft of the rear cover locking cylinder is aligned with the locking hole. When the rear cover locking cylinder works, the telescopic shaft extends out and inserts into the locking hole to lock the rear cover and the box body. The kitchen waste truck comprises the insurance device described above.

[0013] The insurance device of the rear cover locking mechanism of the kitchen waste truck of the utility model has the following advantages: by installing an insurance device at the rear cover locking cylinder, double protection for the rear cover locking is realized. When the rear cover safety device is not opened, the locking cylinder cannot retract, playing a role of mechanical protection, improving the safety of the rear cover locking mechanism, and preventing the rear cover from opening caused by the loosening of the locking mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the insurance device of the rear cover locking mechanism of the kitchen waste truck of the utility model;

[0015] Figure 2 is a schematic structural diagram of the insurance device of the utility model;

[0016] Figure 3 is a schematic three-dimensional structural diagram of the insurance device of the rear cover locking mechanism of the kitchen waste truck of the utility model;

[0017] Reference numerals in the drawings: 1. Box body; 11. Cylinder mounting seat; 2. Rear cover; 21. Rear cover lock piece; 211. Locking hole; 3. Rear cover locking cylinder; 31. Telescopic shaft; 311. Limiting sleeve; 312. Locking pin; 41. Plug body; 411. Plug sleeve; 412. Plug; 42. Plug hole shaft; 43. Cylinder sheath; 44. Connecting rope. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to better understand the purpose, structure and function of the utility model, the following further detailed description is made on the insurance device of the rear cover locking mechanism of a kitchen waste truck of the utility model in conjunction with the drawings.

[0019] As Figures 1-3 shown, the kitchen waste truck comprises a box body 1 and a rear cover 2. There is a rear cover lock piece 21 perpendicular to the rear cover 2 under the rear cover 2. The rear cover lock piece 21 is provided with a locking hole 211. The box body 1 is provided with a cylinder mounting seat 11. A rear cover locking cylinder 3 is installed above the cylinder mounting seat 11. The telescopic shaft 31 of the rear cover locking cylinder 3 is aligned with the locking hole 211. When the rear cover locking cylinder 3 works, the telescopic shaft 31 extends out and inserts into the locking hole 211 to lock the rear cover 2 and the box body 1.

[0020] An insurance device for the locking mechanism of the rear cover of a kitchen waste truck of the present utility model includes a bolt body 41, a bolt hole shaft 42, an oil cylinder sheath 43 and a connecting rope 44. The bolt body 4 is welded and fixed on one side of the oil cylinder mounting seat 11. The oil cylinder sheath 43 can be sleeved on the outer periphery of the telescopic shaft 31 of the rear cover locking oil cylinder 3 and is limited and fixed on the telescopic shaft 31. The bolt hole shaft 42 is welded and fixed to the outside of the oil cylinder sheath 43. The bolt body 41 is inserted into the bolt hole shaft 42 to fix the oil cylinder sheath 43 on the telescopic shaft 31, restricting the retraction of the telescopic shaft 31.

[0021] Specifically, a limit sleeve 311 is provided below the telescopic shaft 31, and a locking pin 312 is provided below the limit sleeve 311. After the telescopic shaft 31 extends, the locking pin 312 is inserted into the locking hole 211. After the oil cylinder sheath 43 is sleeved on the telescopic shaft 31, it is limited by the limit sleeve 311.

[0022] The bolt body 41 includes a bolt sleeve 411 and a bolt 412. The bolt 412 is movably arranged in the bolt sleeve 411. The bolt sleeve 411 is provided with a chute and a locking groove. The bolt 412 expands and contracts in the chute of the bolt sleeve 411 and is fixed by the locking groove.

[0023] In order to facilitate the fixation of the oil cylinder sheath 43 and the bolt hole shaft 42 and realize insurance and unlocking at any time, a connecting rope 44 is fixedly connected to the outside of the bolt hole shaft 42. One end of the connecting rope 44 is fixedly connected to the bolt hole shaft 42, and the other end is fixedly connected to the oil cylinder mounting seat 11, and it can be taken at any time during use.

[0024] The oil cylinder sheath 43 is in a shape with one end open, and the opening diameter is larger than the outer diameter of the telescopic shaft 31, so that the oil cylinder sheath 43 can be smoothly sleeved on the outer side of the telescopic shaft 31. Preferably, the oil cylinder sheath 43 is in a semi-circular ring shape. The height of the oil cylinder sheath 43 is equal to the length of the telescopic shaft 31 extending out, and can restrict the axial movement of the telescopic shaft 31.

[0025] It can be understood that the present utility model is described through some embodiments. Those skilled in the art know that without departing from the spirit and scope of the present utility model, various changes or equivalent replacements can be made to these features and embodiments. In addition, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. An insurance device for a locking mechanism of the rear cover of a kitchen waste truck, characterized in that, It includes a bolt body (41), a bolt hole shaft (42) and an oil cylinder sheath (43). The bolt body (41) is fixed on one side of the oil cylinder mounting seat (11). The oil cylinder sheath (43) can be sleeved on the outer periphery of the telescopic shaft (31) of the rear cover locking oil cylinder (3) and is limited and fixed on the telescopic shaft (31). The bolt hole shaft (42) is fixedly welded to the outside of the oil cylinder sheath (43). The bolt body (41) is inserted into the bolt hole shaft (42) to fix the oil cylinder sheath (43) on the telescopic shaft (31), restricting the retraction of the telescopic shaft (31).

2. The insurance device for the locking mechanism of the rear cover of the kitchen waste truck according to claim 1, wherein, There is a limit sleeve (311) below the telescopic shaft (31), and a locking pin (312) is below the limit sleeve (311). After the telescopic shaft (31) extends, the locking pin (312) is inserted into the locking hole (211). After the oil cylinder sheath (43) is sleeved on the telescopic shaft (31), it is limited by the limit sleeve (311).

3. The insurance device for the locking mechanism of the rear cover of the kitchen waste truck according to claim 1, characterized in that, The bolt body (41) includes a bolt sleeve (411) and a bolt (412). The bolt (412) is movably arranged in the bolt sleeve (411). The bolt sleeve (411) has a chute and a locking groove. The bolt (412) expands and contracts in the chute of the bolt sleeve (411) and is fixed through the locking groove.

4. The safety device for the rear cover locking mechanism of the kitchen waste truck according to claim 1, characterized in that, A connecting rope (44) is fixedly connected to the outside of the bolt hole shaft (42). One end of the connecting rope (44) is fixedly connected to the bolt hole shaft (42), and the other end is fixedly connected to the oil cylinder mounting seat (11).

5. The safety device for the locking mechanism of the rear cover of the kitchen waste truck according to claim 1, characterized in that, The oil cylinder sheath (43) is in a shape with one end open, and the opening diameter is larger than the outer diameter of the telescopic shaft (31).

6. The safety device of the rear cover locking mechanism of the kitchen waste truck according to claim 1, characterized in that, The oil cylinder sheath (43) is semi-circular ring-shaped.

7. The safety device of the rear cover locking mechanism of the kitchen waste truck according to claim 1, characterized in that, The height of the oil cylinder sheath (43) is equal to the length that the telescopic shaft (31) extends out.

8. A kitchen waste truck, comprising a box body (1) and a rear cover (2). Below the rear cover (2), there is a rear cover locking piece (21) perpendicular to the rear cover (2). The rear cover locking piece (21) has a locking hole (211). On the box body (1), there is an oil cylinder mounting seat (11). Above the oil cylinder mounting seat (11), a rear cover locking oil cylinder (3) is installed. The telescopic shaft (31) of the rear cover locking oil cylinder (3) is aligned with the locking hole (211). When the rear cover locking oil cylinder (3) works, the telescopic shaft (31) extends out and inserts into the locking hole (211) to lock the rear cover (2) and the box body (1). It is characterized in that, The kitchen waste truck includes the safety device according to any one of claims 1-7.