Locking mechanism for rear door of garbage truck

Abstract

The utility model relates to the field of environmental sanitation engineering, in particular to a locking mechanism for a rear door of a garbage truck, which comprises a mounting block, a rotating rod, a connecting block, a hydraulic cylinder, a rotating block, a connecting rod and a limiting rod, the hydraulic cylinder is detachably connected with the connecting block and positioned below the connecting block, and the rotating block is detachably connected with the hydraulic cylinder and positioned below the hydraulic cylinder. The connecting rod is rotationally connected with the rotating block, the limiting rod is rotationally connected with the connecting rod and located at one end of the connecting rod, the hydraulic cylinder is started to push out the connecting rod, the sliding block is driven by the auxiliary rod to slide in the fixing shell under the assistance of the limiting rod, and the sliding block drives one end of the lock catch to rotate; and the other end of the lock catch locks the rear door under the limitation of a second limiting column, so that the rotation amplitude of the lock catch is increased, and the problem that a door body with a large thickness cannot be locked due to the fact that the rotation amplitude of the lock catch is small is solved.

Description

Technical Field

[0001] The utility model relates to the field of sanitation engineering, in particular to a rear door locking mechanism of a garbage truck. Background Art

[0002] As people pay more and more attention to environmental sanitation, garbage trucks on the streets are becoming more and more common. However, the rear doors of traditional garbage trucks are locked with pins and need to be manually unlocked, making the operation too troublesome.

[0003] To solve the above problems, the prior art patent (CN216154630U) discloses a rear door locking mechanism for a garbage truck for sanitation engineering. When the main shaft rotates, it can drive the connecting rod to rotate through the swing arm, and then drive the lock to rotate through the connecting rod to lock the rear door of the garbage truck.

[0004] However, in the above-mentioned prior art, the range in which the lock catch can rotate is small, resulting in the inability to lock a door body with a large thickness. Utility Model Content

[0005] The utility model aims to provide a locking mechanism for the rear door of a garbage truck, which solves the technical problem in the prior art that the rotation range of the lock buckle is small, resulting in the inability to lock a door body with a larger thickness.

[0006] To achieve the above-mentioned purpose, the utility model adopts a garbage truck rear door locking mechanism, including a mounting block, a rotating rod, a connecting block and a driving assembly, the driving assembly including a hydraulic cylinder, a rotating block, a connecting rod, a limiting rod and a locking component, the mounting block is rotatably connected to the rotating rod and wraps the rotating rod, the connecting block is detachably connected to the rotating rod and wraps the rotating rod, the hydraulic cylinder is detachably connected to the connecting block and is located below the connecting block, the rotating block is detachably connected to the hydraulic cylinder and is located below the hydraulic cylinder, the connecting rod is rotatably connected to the rotating block and processes the rotating block, and the limiting rod is rotatably connected to the connecting rod and is located at one end of the connecting rod.

[0007] Among them, the driving assembly also includes a rotating block 1, an auxiliary rod and a rotating block 2, the rotating block 1 is rotatably connected to the connecting rod and wraps the connecting rod, one end of the auxiliary rod is fixedly connected to the rotating block 1 and is located on the outside of the rotating block 1, and the rotating block 2 is fixedly connected to the auxiliary rod and is located at the other end of the auxiliary rod.

[0008] Among them, the locking component includes a fixed rod, a fixed shell, a rotating rod, a push rod and a slider, the fixed rod is rotatably connected to the limit rod and is located at one end of the limit rod, the fixed shell is fixedly connected to the fixed rod and is located on the inner side of the fixed rod, the rotating rod is detachably connected to the rotating block 2 and is located on the inner side of the rotating block 2, the push rod is rotatably connected to the rotating rod and wraps the rotating rod, the slider is fixedly connected to the push rod and is located in the fixed shell, and the slider is slidably connected to the fixed shell.

[0009] Among them, the locking component also includes a fixed block, a limiting column 1, a limiting column 2 and a locking buckle, the fixed block is fixedly connected to the fixed shell and is located above the fixed shell, the limiting column 1 is fixedly connected to the slider and is located on the inner side of the slider, the limiting column 2 is fixedly connected to the fixed block and is located on the inner side of the fixed block, and the locking buckle is rotatably connected to the limiting column 2 and is located to wrap the limiting column 2.

[0010] Among them, the garbage truck rear door locking mechanism also includes a mounting plate 1, a mounting plate 2 and a fixing nail, the mounting plate 1 is fixedly connected to the mounting block and is located on one side of the mounting block, the mounting plate 2 is fixedly connected to the mounting block and is located on the other side of the mounting block, the fixing nail is threadedly connected to the mounting plate 1 and passes through the mounting plate 1, and the fixing nail is threadedly connected to the mounting plate 2.

[0011] The utility model discloses a rear door locking mechanism for a garbage truck, wherein the mounting block is rotatably connected to the rotating rod and wraps the rotating rod, the connecting block is detachably connected to the rotating rod and wraps the rotating rod, the hydraulic cylinder is detachably connected to the connecting block and is located below the connecting block, the rotating block is detachably connected to the hydraulic cylinder and is located below the hydraulic cylinder, the connecting rod is rotatably connected to the rotating block and processes the rotating block, the limiting rod is rotatably connected to the connecting rod and is located at one end of the connecting rod, the hydraulic cylinder is started to push the connecting rod out, and under the restriction of the limiting rod, the connecting rod will drive the auxiliary rod to move, and when the auxiliary rod moves, it will drive the slider to slide in the fixed shell, so that one end of the lock buckle starts to rotate, and the limiting column 2 limits the lock buckle so that the lock buckle rotates around the limiting column 2 to complete the locking of the rear side, thereby increasing the rotation amplitude of the lock buckle, and this method can effectively solve the problem that the lock buckle can rotate to a small extent, resulting in the inability to lock a door body with a larger thickness. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0014] Figure 2 It is a front view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line structural section view.

[0016] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0017] 101-mounting block, 102-rotating rod, 103-connecting block, 104-hydraulic cylinder, 105-rotating block, 106-connecting rod, 107-limiting rod, 108-rotating block one, 109-auxiliary rod, 110-rotating block two, 111-fixing rod, 112-fixing shell, 113-rotating rod, 114-push rod, 115-slider, 116-fixed block, 117-limiting column one, 118-limiting column two, 119-locking buckle, 201-mounting plate one, 202-mounting plate two, 203-fixing nail. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1 to Figure 3 ,in Figure 1 It is a schematic structural diagram of the first embodiment of the utility model. Figure 2 1 is a front view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line structural section view.

[0021] The utility model provides a locking mechanism for the rear door of a garbage truck, comprising a mounting block 101, a rotating rod 102, a connecting block 103, a hydraulic cylinder 104, a rotating block 105, a connecting rod 106, a limiting rod 107, a rotating block 108, an auxiliary rod 109, a rotating block 2 110, a fixed rod 111, a fixed shell 112, a rotating rod 113, a push rod 114, a sliding block 115, a fixed block 116, a limiting column 117, a limiting column 2 118 and a lock buckle 119. The above-mentioned scheme solves the problem in the prior art that the lock buckle 119 can rotate to a small extent, resulting in the inability to lock a door body with a larger thickness.

[0022] According to this specific embodiment, the mounting block 101 is rotatably connected to the rotating rod 102 and wraps the rotating rod 102, the connecting block 103 is detachably connected to the rotating rod 102 and wraps the rotating rod 102, the hydraulic cylinder 104 is detachably connected to the connecting block 103 and is located below the connecting block 103, the rotating block 105 is detachably connected to the hydraulic cylinder 104 and is located below the hydraulic cylinder 104, the connecting rod 106 is rotatably connected to the rotating block 105 and processes the rotating block 105, the limiting rod 107 is rotatably connected to the connecting rod 106 and is located at one end of the connecting rod 106, the hydraulic cylinder 104 is started to push the rotating block 105 out, the rotating block 105 will drive the connecting rod 106 to move, and the limiting rod 107 limits the position and distance of movement of the connecting rod 106.

[0023] Among them, the rotating block 108 is rotatably connected to the connecting rod 106 and wraps the connecting rod 106. One end of the auxiliary rod 109 is fixedly connected to the rotating block 108 and is located on the outside of the rotating block 108. The rotating block 2 110 is fixedly connected to the auxiliary rod 109 and is located at the other end of the auxiliary rod 109. The connecting rod 106 drives the rotating block 108 to move, and with the assistance of the auxiliary rod 109, it will drive the rotating block 2 110 to move.

[0024] Secondly, the fixed rod 111 is rotatably connected to the limit rod 107 and is located at one end of the limit rod 107. The fixed shell 112 is fixedly connected to the fixed rod 111 and is located on the inner side of the fixed rod 111. The rotating rod 113 is detachably connected to the rotating block 110 and is located on the inner side of the rotating block 110. The push rod 114 is rotatably connected to the rotating rod 113 and wraps the rotating rod 113. The slider 115 is fixedly connected to the push rod 114 and is located in the fixed shell 112. The slider 115 is slidably connected to the fixed shell 112. When the rotating block 110 moves, it will drive the rotating rod 113 and the push rod 114 to move, and the push rod 114 drives the slider 115 to slide in the fixed shell 112.

[0025] At the same time, the fixed block 116 is fixedly connected to the fixed shell 112 and is located above the fixed shell 112, the limiting column 117 is fixedly connected to the slider 115 and is located on the inner side of the slider 115, the limiting column 2 118 is fixedly connected to the fixed block 116 and is located on the inner side of the fixed block 116, the lock buckle 119 is rotatably connected to the limiting column 2 118 and is located to wrap the limiting column 2 118, when the slider 115 slides, it will drive one end of the lock buckle 119 to rotate through the limiting column 117, and the limiting column 2 118 limits the moving direction of the lock buckle 119, so that the other end of the lock buckle 119 starts to rotate, thereby achieving the purpose of locking the rear door.

[0026] A garbage truck rear door locking mechanism using the present embodiment is provided by arranging a mounting block 101, a rotating rod 102, a connecting block 103, a hydraulic cylinder 104, a rotating block 105, a connecting rod 106, a limiting rod 107, a rotating block 108, an auxiliary rod 109, a rotating block 2 110, a fixing rod 111, a fixing shell 112, a rotating rod 113, a push rod 114, a slider 115, a fixing block 116, a limiting column 117, a limiting column 2 118 and a lock buckle 119. The mounting block 101 is provided with a fixing rod 112, a connecting rod 103, a connecting rod 104, a rotating block 105, a connecting rod 106, a limiting rod 107, a rotating block 108, an auxiliary rod 109, a rotating block 2 110, a fixing rod 111, a fixing shell 112, a rotating rod 113, a push rod 114, a slider 115, a fixing block 116, a limiting column 117, a limiting column 2 118 and a lock buckle 119. 01 is rotatably connected to the rotating rod 102 and wraps the rotating rod 102, the connecting block 103 is detachably connected to the rotating rod 102 and wraps the rotating rod 102, the hydraulic cylinder 104 is detachably connected to the connecting block 103 and is located below the connecting block 103, the rotating block 105 is detachably connected to the hydraulic cylinder 104 and is located below the hydraulic cylinder 104, the connecting rod 106 is rotatably connected to the rotating block 105, and the rotating process The movable block 105, the limit rod 107 is rotatably connected with the connecting rod 106 and is located at one end of the connecting rod 106. The hydraulic cylinder 104 is started to push the rotating block 105 out, and the rotating block 105 will drive the connecting rod 106 to move. The connecting rod 106 drives the rotating block 108 to move, and with the assistance of the auxiliary rod 109, the rotating block 2 110 will be driven to move. When the rotating block 2 110 moves, it will drive the rotating rod 113 and the push rod 114 to move. The push rod 114 drives the slider 115 to slide in the fixed shell 112, so that one end of the lock buckle 119 starts to rotate, and the limit column 2 118 limits the lock buckle 119 so that the lock buckle 119 rotates around the limit column 2 118 to complete the locking of the back, thereby increasing the rotation amplitude of the lock buckle 119, thereby solving the technical problem that the lock buckle 119 can rotate to a small extent, resulting in the inability to lock the door body with a larger thickness.

[0027] The second embodiment of the present application is:

[0028] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0029] The utility model provides a garbage truck rear door locking mechanism, which also includes a mounting plate 1 201, a mounting plate 202 and a fixing nail 203. The above scheme solves the problem in the prior art that the hydraulic cylinder 104 is relatively loosely fixed, resulting in poor overall stability of the mechanism.

[0030] Among them, the mounting plate 1 201 is fixedly connected to the mounting block 101 and is located on one side of the mounting block 101, the mounting plate 2 202 is fixedly connected to the mounting block 101 and is located on the other side of the mounting block 101, the fixing nail 203 is threadedly connected to the mounting plate 1 201 and penetrates the mounting plate 1 201, and the fixing nail 203 is threadedly connected to the mounting plate 2 202, the fixing nail 203 fixes the mounting plate 1 201 and the mounting plate 2 202 on the vehicle body, the mounting plate 1 201 and the mounting plate 2 202 will increase the stability of the mounting block 101, thereby increasing the stability of the hydraulic cylinder 104.

[0031] A rear door locking mechanism for a garbage truck using the present embodiment is provided with a mounting plate 1 201, a mounting plate 202 and a fixing nail 203, and the fixing nail 203 is rotated to fix the mounting plate 1 201 and the mounting plate 2 202 on the vehicle body. The mounting plate 1 201 and the mounting plate 2 202 will increase the stability of the mounting block 101, thereby increasing the stability of the hydraulic cylinder 104, thereby solving the problem that the hydraulic cylinder 104 is loosely fixed, resulting in poor overall stability of the mechanism.

[0032] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A rear door locking mechanism for a garbage truck, comprising a mounting block, a rotating rod and a connecting block, wherein the mounting block is rotatably connected to the rotating rod and wraps the rotating rod, and the connecting block is detachably connected to the rotating rod and wraps the rotating rod, characterized in that: It also includes a driving assembly, which includes a hydraulic cylinder, a rotating block, a connecting rod, a limiting rod and a locking component. The hydraulic cylinder is detachably connected to the connecting block and is located below the connecting block. The rotating block is detachably connected to the hydraulic cylinder and is located below the hydraulic cylinder. The connecting rod is rotatably connected to the rotating block and processes the rotating block. The limiting rod is rotatably connected to the connecting rod and is located at one end of the connecting rod.

2. The garbage truck rear door locking mechanism according to claim 1, characterized in that: The driving assembly also includes a rotating block 1, an auxiliary rod and a rotating block 2. The rotating block 1 is rotatably connected to the connecting rod and wraps the connecting rod. One end of the auxiliary rod is fixedly connected to the rotating block 1 and is located on the outside of the rotating block 1. The rotating block 2 is fixedly connected to the auxiliary rod and is located at the other end of the auxiliary rod.

3. The garbage truck rear door locking mechanism according to claim 2, characterized in that: The locking component includes a fixed rod, a fixed shell, a rotating rod, a push rod and a slider. The fixed rod is rotatably connected to the limit rod and is located at one end of the limit rod. The fixed shell is fixedly connected to the fixed rod and is located on the inner side of the fixed rod. The rotating rod is detachably connected to the rotating block 2 and is located on the inner side of the rotating block 2. The push rod is rotatably connected to the rotating rod and wraps the rotating rod. The slider is fixedly connected to the push rod and is located in the fixed shell, and the slider is slidably connected to the fixed shell.

4. The garbage truck rear door locking mechanism according to claim 3, characterized in that: The locking component also includes a fixed block, a limiting column 1, a limiting column 2 and a locking buckle. The fixed block is fixedly connected to the fixed shell and is located above the fixed shell. The limiting column 1 is fixedly connected to the slider and is located on the inner side of the slider. The limiting column 2 is fixedly connected to the fixed block and is located on the inner side of the fixed block. The locking buckle is rotatably connected to the limiting column 2 and is located to wrap the limiting column 2.

5. The garbage truck rear door locking mechanism according to claim 1, characterized in that: The garbage truck rear door locking mechanism also includes a mounting plate 1, a mounting plate 2 and a fixing nail. The mounting plate 1 is fixedly connected to the mounting block and is located on one side of the mounting block. The mounting plate 2 is fixedly connected to the mounting block and is located on the other side of the mounting block. The fixing nail is threadedly connected to the mounting plate 1 and passes through the mounting plate 1, and the fixing nail is threadedly connected to the mounting plate 2.

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