CN220562827U - Rear door locking device of transport vehicle - Google Patents

Abstract

The utility model relates to a rear door locking device of a transport vehicle, which is applied to a rear door which is turned backwards, and the rear door locking device is arranged on a frame at the lower part of the rear door. The rear door locking device comprises a supporting seat positioned at the rear part of the frame, a rotating shaft is arranged on the supporting seat, and a turning rod is arranged on the rotating shaft. The rear door locking device is further provided with a driving device, the driving device drives the overturning rod to overturn towards the direction where the rear door is located, and the end part of the overturning rod is propped against the rear door of the transport vehicle after the overturning rod overturns. According to the rear door locking device of the transport vehicle, the turnover rod on the rotating shaft is propped against the rear door, and the driving device drives the turnover rod to rotate, so that when the turnover rod rotates downwards, the turnover rod is far away from the rear door, and the rear door is opened without obstacle; when the overturning rod rotates upwards, the overturning rod is propped against the rear door, so that the rear door is prevented from overturning, and the locking work of the rear door is realized. The rear door locking device of the transport vehicle is simple in structure, low in operation difficulty and convenient to control the opening and closing of the rear door.

Description

Rear door locking device of transport vehicle

Technical Field

The utility model relates to a rear door locking device of a transport vehicle, in particular to a locking device on a rear door, wherein the upper part of the locking device is connected in a rotating way, and the lower part of the locking device can be turned upwards.

Background

Rear doors of transport vehicles, in particular conveyor-type dumpers and rear dump trucks, are generally provided with: the upper part is rotationally connected, and the lower part is locked by a locking device. When the unloading is needed, the locking device is required to be opened, and the rear door is turned backwards.

The existing back door locking device generally comprises a lock rod for locking or a lockset for locking, but the existing locking device is single in structure, less in type and generally needs manual operation.

Disclosure of Invention

The utility model mainly aims to provide a rear door locking device of a transport vehicle, so as to provide a novel locking device and provide diversified choices for the locking mode of the rear door.

The utility model provides a rear door locking device of a transport vehicle, which is applied to a rear door which is turned backwards, and the rear door locking device is arranged on a frame at the lower part of the rear door. The rear door locking device comprises a supporting seat positioned at the rear part of the frame, a rotating shaft is arranged on the supporting seat, and a turning rod is arranged on the rotating shaft. The rear door locking device is further provided with a driving device, the driving device drives the overturning rod to overturn towards the direction where the rear door is located, and the end part of the overturning rod is propped against the rear door of the transport vehicle after the overturning rod overturns.

Preferably, the left part and the right part of the rotating shaft are respectively provided with a turning rod.

Preferably, the driving device comprises a driving rod arranged on the turning shaft, and the driving rod is arranged in the opposite direction of the turning rod; the driving rod is connected with a telescopic piece.

Still preferably, the telescopic member is a telescopic cylinder.

Still preferably, the frame is provided with a mounting plate, the telescopic member is mounted on the mounting plate, and the telescopic rod of the telescopic member is connected with the driving rod.

Still preferably, the telescopic member is pivotally connected to the mounting plate by a hinge.

Preferably, the overturning rod is arranged in an arc shape.

Compared with the prior art, the rear door locking device of the transport vehicle has the following beneficial effects:

according to the rear door locking device of the transport vehicle, the turnover rod on the rotating shaft is propped against the rear door, and the turnover rod is driven to rotate by the driving device. When the overturning rod rotates downwards, the overturning rod is far away from the rear door, and the rear door is opened without barriers; when the overturning rod rotates upwards, the overturning rod is propped against the rear door, so that the rear door is prevented from overturning, and the locking work of the rear door is realized. Through pivot, turnover pole and drive arrangement's setting, realize locking device's opening and close, the operation degree of difficulty is low, is convenient for control back door's opening and close, and provides a back door locking device of new style.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

It is evident that the drawings in the following description are only some specific embodiments of the utility model and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a partial sectional view of a transportation vehicle equipped with a transportation vehicle rear door locking device in embodiment 1 of the present utility model.

Fig. 2 is a schematic perspective view of a locking device for a rear door of a transport vehicle according to embodiment 1 of the present utility model.

Fig. 3 is a schematic cross-sectional view of a rear door locking device of a transport vehicle according to embodiment 1 of the present utility model.

In the accompanying drawings:

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Example 1

The embodiment provides a rear door locking device of a transport vehicle, which is applied to a rear door 5 which is turned backwards, and the rear door locking device is arranged on a frame at the lower part of the rear door 5. The rear door locking device comprises a supporting seat positioned at the rear part of a frame, a rotating shaft 1 is arranged on the supporting seat, and a turning rod 2 is arranged on the rotating shaft 1. The rear door locking device is further provided with a driving device, the driving device drives the overturning rod 2 to overturn towards the direction of the rear door 5, and the end part of the overturning rod 2 is abutted against the rear door 5 of the transport vehicle after the overturning rod 2 overturns.

The rear door locking device of the transport vehicle can be characterized in that the rotating shaft 1 and the turnover rod 2 are fixed together, the rotating shaft 1 and the turnover rod 2 rotate together, and the turnover rod 2 is propped against the rear door 5 in the rotating process, and can also be downwards far away from the rear door 5; of course, the turnover rod 2 may be rotatably connected to the fixed rotating shaft 1, and the driving device drives the turnover rod 2 to rotate around the rotating shaft 1 as an axis, so that the turnover rod 2 abuts against the rear door 5 or is far away from the rear door 5; both of these should be within the scope of the present utility model.

In the present embodiment, when the flipping lever 2 rotates downward, the flipping lever 2 is away from the rear door 5, and the rear door 5 is opened without obstacle; when the turnover rod 2 rotates upwards, the turnover rod 2 approaches and abuts against the rear door 5, the rear door 5 is prevented from being turned over, and locking of the rear door 5 is achieved. Through the setting of pivot 1, tilting lever 2 and drive arrangement, realize locking device's opening and close, the operation degree of difficulty is low, is convenient for control back door 5 opening and close, and provides a back door locking device of new style.

Specifically, the left part and the right part of the rotating shaft 1 are respectively provided with a turning rod 2. By the design of the two tilting levers 2, the locking stability can be improved.

Specifically, in the present embodiment, the driving device includes a driving lever 6 mounted on the tilting shaft 1, the driving lever 6 being disposed in the opposite direction of the tilting shaft 2; the driving rod 6 is connected with a telescopic piece.

More specifically, the telescopic member is a telescopic cylinder.

More specifically, the frame is provided with a mounting plate 3, the telescopic member is mounted on the mounting plate 3, and the telescopic rod 7 of the telescopic member extends to the driving rod 6 and is connected with the driving rod 6, and the connection between the telescopic rod 7 and the driving rod 6 is rotational connection.

More specifically, in this embodiment, since the turning track of the turning rod 2 is arc-shaped, in order to enable the expansion and contraction of the expansion and contraction member to match the turning of the turning rod 2, the expansion and contraction member is rotatably connected to the mounting plate 3 through a hinge.

Specifically, in this embodiment, the overturning rod 2 is disposed in an arc shape, and the arc shape should be disposed towards the rear door 5, so as to improve the mechanical performance thereof.

Of course, the above-mentioned embodiments are only preferred embodiments of the present utility model, and not limiting the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model and should be protected by the present utility model.

Claims (7)

1. The rear door locking device of the transport vehicle is applied to a rear door which is turned backwards, and is arranged on a frame at the lower part of the rear door,

the bicycle comprises a supporting seat positioned at the rear part of a bicycle frame, wherein a rotating shaft is arranged on the supporting seat, and a turning rod is arranged on the rotating shaft;

the rear door locking device is further provided with a driving device, the driving device drives the overturning rod to overturn towards the direction where the rear door is located, and the end part of the overturning rod is propped against the rear door of the transport vehicle after the overturning rod overturns.

2. A rear door locking device of a transport vehicle according to claim 1, wherein,

the left part and the right part of the rotating shaft are respectively provided with a turning rod.

3. A rear door locking device for a transport vehicle according to claim 1 or 2, wherein,

the driving device comprises a driving rod arranged on the turning shaft, and the driving rod is arranged in the opposite direction of the turning rod; the driving rod is connected with a telescopic piece.

4. A rear door locking device of a transport vehicle according to claim 3, wherein,

the telescopic piece is a telescopic cylinder.

5. A rear door locking device of a transport vehicle according to claim 3, wherein,

the frame is provided with a mounting plate, the telescopic piece is mounted on the mounting plate, and a telescopic rod of the telescopic piece is connected with the driving rod.

6. A rear door locking device of a transport vehicle according to claim 5, wherein,

the telescopic piece is rotatably connected to the mounting plate through a hinge.

7. A rear door locking device of a transport vehicle according to claim 1, wherein,

the overturning rod is arranged in an arc shape.