Curtain-side trailer with anti-theft function

Abstract

The invention discloses a side curtain type trailer with an anti-theft function, comprising a vehicle frame, a vehicle frame provided with a compartment which can cover the vehicle frame, an opening provided in the compartment, and a side curtain assembly provided at the opening; the side curtain assembly comprises a telescopic gate, a rail and a frame plate, the rail being provided at the upper and lower ends of the opening, the frame plate being fixedly connected to one side of the opening, the telescopic gate being slidably connected to the rail, the telescopic gate being extendable at the opening to form a barrier, and being locked and connected with the frame plate through a lock body; the telescopic gate of the invention can be extendable at the opening along the rail to form a barrier, and being locked and connected with the frame plate through the lock body, thereby preliminarily isolating and preventing theft of goods in the compartment, and in the process of extending the telescopic gate, the lock rod is driven to move along the guide rail by the movable sleeve, the lock rod continuously moves upward, and the lock rod is limited by inserting the rotating plug rod into the positioning hole on the lock rod, so that the lock body on the telescopic gate will not be opened even if it is damaged, thereby effectively preventing theft.

Description

Technical Field

[0001] The invention relates to the technical field of semitrailers, in particular to a curtain-side trailer with an anti-theft function. Background Art

[0002] A trailer is a vehicle towed by a car but without its own power drive device. It is an important vehicle for road transportation. Using trailers for transportation is the simplest and most effective means to improve economic efficiency. The side curtain semi-trailer is a common van semi-trailer with side curtains on one or both sides of the car body. When loading and unloading goods, the side curtains are pulled open and stacked at the front end of the car body.

[0003] At present, the existing curtain-side trailers are easy to be opened, so that the goods can be stolen, causing huge losses to the cargo owners and transportation companies. Therefore, the present invention proposes a curtain-side trailer with an anti-theft function that can solve the above problem. Summary of the invention

[0004] The object of the present invention is to provide a side curtain trailer with an anti-theft function to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a curtain-side trailer with an anti-theft function, comprising a frame, a compartment that can cover the frame is provided on the frame, the compartment is provided with an opening, and a curtain-side assembly is provided at the opening;

[0006] The side curtain assembly includes a telescopic gate, a rail and a frame plate, the rail is arranged at the upper and lower ends of the opening, the frame plate is fixedly connected to one side of the opening, the telescopic gate is slidably connected to the rail, the telescopic gate can be extended to form a blockage at the opening, and is locked and connected to the frame plate through a lock body.

[0007] As a preferred technical solution of the present invention, a tarpaulin is provided on the compartment body, and the tarpaulin can be spread out to cover the outside of the opening.

[0008] As a preferred technical solution of the present invention, a support plate is provided on the inner side of the rail, a guide rail is provided on the support plate, the guide rail is arranged inclined upward, a locking rod is slidably connected to the guide rail, the telescopic gate is connected to a movable sleeve through a connecting plate, and the locking rod is passed through the sleeve.

[0009] As a preferred technical solution of the present invention, a positioning hole is provided on the locking rod, a screw hole is provided on the frame plate, an insert rod is screwed into the screw hole, and the insert rod can be inserted into the positioning hole.

[0010] As a preferred technical solution of the present invention, a groove body is provided at the outer end of the insertion rod, and a plurality of convex edges are provided inside the groove body.

[0011] As a preferred technical solution of the present invention, a cavity communicating with the screw hole is arranged inside the frame plate, and a baffle is movably arranged inside the cavity.

[0012] As a preferred technical solution of the present invention, a lifting rod is provided on the frame plate, and the lifting rod extends into the cavity and is connected to the baffle.

[0013] As a preferred technical solution of the present invention, a spring is wound around the lifting rod.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the curtain-side trailer of the present invention has an anti-theft function. After loading, the telescopic gate can be extended along the rail to form a barrier at the opening, and is locked and connected with the frame plate through a lock body, so that the telescopic gate will not be easily opened, thereby preliminarily isolating and preventing the goods inside the compartment from being stolen. In the process of extending the telescopic gate, the lock rod is driven to move along the guide rail by the movable sleeve, and the lock rod continues to move upward. The lock rod is limited by inserting the rotating plug rod into the positioning hole on the lock rod, so that the telescopic gate will not be opened even if the lock body on the telescopic gate is damaged, thereby effectively preventing theft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 This is a schematic diagram of the lock rod structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the plug-in connection between the plug rod and the lock rod of the present invention;

[0018] In the figure: 100, frame; 200, car body; 210, opening; 220, rail; 230, telescopic gate; 240, frame plate; 241, screw hole; 242, cavity; 243, baffle; 244, lifting rod; 245, spring; 246, insertion rod; 2461, trough; 250, support plate; 251, guide rail; 252, locking rod; 2521, positioning hole; 253, movable sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-3

[0023] Example 1

[0024] The present invention provides a technical solution: a curtain-side trailer with an anti-theft function, comprising a frame 100, a body 200 that can cover the frame 100 is provided on the frame 100, the body 200 is provided with an opening 210, and a curtain-side assembly is provided at the opening 210;

[0025] The side curtain assembly includes a telescopic gate 230, a rail 220 and a frame plate 240. The rail 220 is arranged at the upper and lower ends of the opening 210. The frame plate 240 is fixed to one side of the opening 210. The telescopic gate 230 is slidably connected to the rail 220. The telescopic gate 230 can be extended to form a block at the opening 210 and is locked and connected to the frame plate 240 through a lock body.

[0026] A support plate 250 is provided on the inner side of the rail 220, and a guide rail 251 is provided on the support plate 250. The guide rail 251 is inclined upward, and a locking rod 252 is slidably connected to the guide rail 251. The telescopic gate 230 is connected to a movable sleeve 253 through a connecting plate, and the locking rod 252 is passed through the sleeve; a positioning hole 2521 is provided on the locking rod 252, and a screw hole 241 is provided on the frame plate 240. An insert rod 246 is screwed to the screw hole 241, and the insert rod 246 can be plugged into the positioning hole 2521.

[0027] Specifically, after the loading of the side curtain trailer is completed, the telescopic gate 230 can be extended along the rail 220 to form a barrier at the opening 210, and is locked and connected with the frame plate 240 through the lock body, so that the telescopic gate 230 will not be easily opened, thereby initially isolating and preventing the goods inside the compartment 200, and in the process of extending the telescopic gate 230, the locking rod 252 is driven by the movable sleeve 253 to move along the guide rail 251, and the locking rod 252 continues to move upward, and the locking rod 252 is limited by inserting the rotating plug rod 246 into the positioning hole 2521 on the locking rod 252, so that the telescopic gate 230 will not be opened even if the lock body is damaged, thereby effectively preventing theft.

[0028] Example 2

[0029] As a preferred technical solution, based on Example 1, a tarpaulin is provided on the body 200, and the tarpaulin can be spread out to cover the outside of the opening 210; a groove 2461 is provided at the outer end of the insertion rod 246, and a plurality of convex ridges are provided inside the groove 2461.

[0030] Specifically, the tarpaulin can be spread out to cover the outside of the opening 210, so as to protect the goods inside the compartment 200 and prevent them from getting wet by rain during transportation. Moreover, by means of the groove 2461 and multiple ridges provided on the insertion rod 246, when the insertion rod 246 is inserted into the positioning hole 2521 on the locking rod 252, the insertion rod 246 can be completely inserted into the screw hole 241 and will not be easily touched from the outside.

[0031] Example 3

[0032] As a preferred technical solution, on the basis of Example 1 or Example 2, a cavity 242 communicating with the screw hole 241 is provided inside the frame plate 240, and a baffle 243 is movably provided inside the cavity 242; a lifting rod 244 is passed through the frame plate 240, and the lifting rod 244 extends into the cavity 242 and is connected to the baffle 243; a spring 245 is wound around the lifting rod 244.

[0033] Specifically, the baffle plate 243 is provided to block the insertion rod 246 , and the baffle plate 243 is lifted upward in the cavity 242 by stretching the lifting rod 244 , so that the staff can screw in and out the insertion rod 246 .

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The curtain-side trailer with anti-theft function is characterized by: It comprises a vehicle frame, the vehicle frame is provided with a box body which can cover the vehicle frame, the box body is provided with an opening, and the opening is provided with a side curtain assembly; The side curtain assembly includes a telescopic gate, a rail and a frame plate, wherein the rail is arranged at the upper and lower ends of the opening, the frame plate is fixedly connected to one side of the opening, the telescopic gate is slidably connected to the rail, the telescopic gate can be extended to form a block at the opening, and is locked and connected to the frame plate through a lock body; A support plate is provided on the inner side of the rail, a guide rail is provided on the support plate, the guide rail is arranged obliquely upward, a locking rod is slidably connected to the guide rail, the telescopic gate is connected to a movable sleeve through a connecting plate, and the locking rod is passed through the sleeve; The locking rod is provided with a positioning hole, the frame plate is provided with a screw hole, the screw hole is screwed with an insert rod, and the insert rod can be inserted into the positioning hole; The outer end of the plug rod is provided with a groove body, and the groove body is provided with a plurality of convex edges; The frame plate is provided with a cavity in communication with the screw hole, and a baffle is movably provided in the cavity; A lifting rod is provided on the frame plate, and the lifting rod extends into the cavity and is connected to the baffle; A spring is wound around the lifting rod.

2. The curtain-side trailer with anti-theft function according to claim 1, characterized in that: A tarpaulin is arranged on the compartment body, and the tarpaulin can be spread out to cover the outer side of the opening.

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