Manual lateral opening and closing device for tarpaulin

Abstract

The utility model belongs to the technical field of tarpaulin opening and closing, and discloses a tarpaulin manual lateral opening and closing device which comprises a rack assembly used for front-back symmetrical supporting and limiting of a cargo compartment, and a plurality of walking assemblies used for bearing tarpaulin to be opened and closed along the lateral direction of the cargo compartment are installed in the middle of the rack assembly. The rack assembly comprises a supporting mechanism, and a force applying mechanism used for manually pulling the tarpaulin to be opened and closed towards the two sides is arranged on the supporting mechanism. The walking assembly comprises two moving frames which are symmetrically arranged, pulleys are installed on the moving frames, a steel cable is installed between the two moving frames, and an adjusting mechanism is arranged between the steel cable and one of the moving frames. According to the manual lateral opening and closing device for the tarpaulin, due to the arrangement of the lateral opening and closing tarpaulin, cargos can be conveniently loaded and unloaded from the side face of a cargo compartment, and the convenience of taking and placing the cargos is improved; and through the arrangement that manual pulling is matched with pulley movement, the operation convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tarpaulin opening and closing, and particularly relates to a manual side opening and closing device for a tarpaulin. Background Art

[0002] ‌The design of the side opening and closing of a high-sided truck is mainly to facilitate the loading and unloading of goods and improve transportation efficiency. The side opening and closing design not only makes it more convenient for sales personnel to operate but also reduces the use cost. This design has particular advantages in scenarios that require frequent loading and unloading of goods, such as mobile vending and logistics distribution.

[0003] Comparing with the Chinese patent with the publication number CN205686282U, it discloses a self-locking reverse-sliding automatic opening and closing device for a cargo compartment tarpaulin, including slide rails, a winch, a cable, a tarpaulin frame, a tarpaulin support roller, and a cable sliding lock; among them, the slide rails are respectively arranged on both sides of the cargo compartment, the cable is led out by the winch and then led along the slide rails to the end of the cargo compartment and back to the winch, the lower part of the tarpaulin frame is connected to the slide rails and a cable sliding lock is installed; a knot is set on the cable and passes through the cable sliding lock; the tarpaulin support roller is located in front of the tarpaulin frame and is linked with the winch, and anti-slip teeth are arranged on the surface of the tarpaulin support roller.

[0004] However, the above patent can only open and close the rear door of the cargo compartment, and cannot ensure the side opening and closing of the cargo compartment, resulting in poor convenience for loading and unloading goods. Therefore, a new device needs to be designed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a manual side opening and closing device for a tarpaulin to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A manual side opening and closing device for a tarpaulin includes a frame assembly for symmetrically supporting and limiting the front and rear of the cargo compartment, and a plurality of walking assemblies for supporting the tarpaulin to open and close along the side of the cargo compartment are installed in the middle of the frame assembly; the frame assembly includes a support mechanism, and a force application mechanism for manually pulling the tarpaulin to open and close to both sides is arranged on the support mechanism; the walking assembly includes two symmetrically arranged moving frames, pulleys are installed on the moving frames, a steel cable is installed between the two moving frames, and an adjusting mechanism is arranged between the steel cable and one of the moving frames.

[0008] Further: the support mechanism includes four uniformly distributed columns, cross beams are installed between the columns, a limiting chute is arranged in the middle of the cross beam, and two limiting baffles are symmetrically installed at both ends of the cross beam; the force application mechanism includes symmetrically arranged support wheels, a pull rope is arranged on the support wheels, the support wheels are installed outside the columns, and the force-receiving end of the pull rope is fixed on the moving frame far from the force-applying end.

[0009] Further: The adjusting mechanism includes a rotating frame, and two hooks are symmetrically installed at both ends of the rotating frame. The rod part of the hook is threadedly connected to the rotating frame, and the thread directions are opposite.

[0010] Further: Two pulleys are symmetrically installed up and down along the moving frame.

[0011] Further: The two hooks are respectively fixed on one of the moving frames and one end of the steel cable.

[0012] Compared with the prior art, the beneficial effects are as follows:

[0013] Through the setting of the side-opening and -closing tarpaulin, it is convenient to load and unload goods from the side of the cargo compartment, improving the convenience of loading and unloading goods;

[0014] Through the setting of manual pulling in cooperation with the movement of the pulley, the convenience of operation is improved;

[0015] Through the setting of rotating and tensioning the steel cable, the convenience of disassembling, installing and replacing the steel cable is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the manual side-opening and -closing device for the tarpaulin of the present invention;

[0017] Figure 2 is a schematic diagram of the frame assembly of the manual side-opening and -closing device for the tarpaulin of the present invention;

[0018] Figure 3 is a schematic diagram of the traveling assembly of the manual side-opening and -closing device for the tarpaulin of the present invention;

[0019] Figure 4 is a top view of the traveling assembly of the manual side-opening and -closing device for the tarpaulin of the present invention.

[0020] In the reference numerals: 101, column; 102, cross beam; 103, limit baffle; 104, support wheel; 105, pull rope; 106, limit chute; 201, moving frame; 202, pulley; 203, rotating frame; 204, hook; 205, steel cable. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1 - 4, The tarpaulin manual side opening and closing device includes a frame assembly for symmetrically supporting and limiting the front and rear of the cargo compartment, and several walking assemblies for supporting the tarpaulin to open and close along the side of the cargo compartment are installed in the middle of the frame assembly.

[0023] In this embodiment: The frame assembly includes a support mechanism, and a force application mechanism for manually pulling the tarpaulin to open and close to both sides is arranged on the support mechanism; The support mechanism includes four uniformly distributed columns 101, a cross beam 102 is installed between the columns 101, a limit chute 106 is arranged in the middle of the cross beam 102, and two limit baffles 103 are symmetrically installed at both ends of the cross beam 102; The force application mechanism includes symmetrically arranged support wheels 104, a pull rope 105 is arranged on the support wheels 104, the support wheels 104 are installed on the outer sides of the columns 101, and the force receiving end of the pull rope 105 is fixed on the moving frame 201 far from the force application end; The columns 101 are installed at the four corners of the cargo compartment, so that the cross beam 102 is located in the front and rear of the carriage respectively. Pull the pull rope 105, so that the pull rope 105 pulls the moving frame 201 at the force receiving end under the support of the support wheel 104, so that the pulley 202 supports the moving frame 201 to move along the limit chute 106, and the limit baffle 103 prevents the pulley 202 from slipping out of the limit chute 106;

[0024] In this embodiment: The walking assembly includes two symmetrically arranged moving frames 201, pulleys 202 are installed on the moving frames 201, two pulleys 202 are symmetrically installed up and down along the moving frame 201, a steel cable 205 is installed between the two moving frames 201, and an adjusting mechanism is arranged between the steel cable 205 and one of the moving frames 201; The adjusting mechanism includes a rotating frame 203, two hooks 204 are symmetrically installed at both ends of the rotating frame 203, the rod parts of the hooks 204 are threadedly connected to the rotating frame 203 and have opposite rotation directions, and the two hooks 204 are respectively fixed on one moving frame 201 and one end of the steel cable 205. When the steel cable 205 is installed, rotate the rotating frame 203, and through threaded engagement, make the two hooks 204 approach or move away from each other, pulling the steel cable 205 to be tightened. During work, the moving frame 201 drives the steel cable 205 to move laterally along the limit chute 106 under the support of the pulley 202, and the steel cables 205 overlap, folding the tarpaulin to one side of the cargo compartment.

[0025] Working principle: The vertical columns 101 are installed at the four corners of the cargo compartment, so that the cross beams 102 are respectively located at the front and rear of the carriage. The tarpaulin is fixed on the spaced steel cables 205. When it needs to be opened from the side, only need to pull the pull rope 105 on the other side, so that the pull rope 105 pulls the moving frame 201 at the stress end under the support of the support wheel 104, so that the moving frame 201 drives the steel cable 205 to move laterally along the limit chute 106 under the support of the pulley 202, and the steel cables 205 overlap, folding the tarpaulin to one side of the cargo compartment. The limit baffle 103 prevents the pulley 202 from slipping out of the limit chute 106. When the steel cable 205 is installed, one end is fixed on the hook 204 and the other end is fixed on the moving frame 201. Rotate the rotating frame 203, and through thread engagement, make the two ends of the hook 204 approach or move away from each other, pulling the steel cable 205 to be tightened.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Manual side-opening and closing device for tarpaulin, characterized in that: It includes a frame assembly for symmetrically supporting and limiting the front and rear of the cargo box, and several walking assemblies for supporting and opening and closing the tarpaulin along the side of the cargo box are installed in the middle of the frame assembly; The frame assembly includes a support mechanism, and a force application mechanism for manually pulling the tarpaulin to open and close to both sides is arranged on the support mechanism; The walking assembly includes two symmetrically arranged moving frames (201), pulleys (202) are installed on the moving frames (201), a steel cable (205) is installed between the two moving frames (201), and an adjusting mechanism is arranged between the steel cable (205) and one of the moving frames (201).

2. The manual side-opening and closing device for a tarpaulin according to claim 1, characterized in that: The support mechanism includes four evenly distributed columns (101), cross beams (102) are installed between the columns (101), a limit chute (106) is arranged in the middle of the cross beams (102), and two limit baffles (103) are symmetrically installed at both ends of the cross beams (102); the force application mechanism includes symmetrically arranged support wheels (104), a pull rope (105) is arranged on the support wheels (104), the support wheels (104) are installed on the outer sides of the columns (101), and the force receiving end of the pull rope (105) is fixed on the moving frame (201) far from the force application end.

3. The manual side opening and closing device for the tarpaulin according to claim 1, wherein: The adjusting mechanism includes a rotating frame (203), two hooks (204) are symmetrically installed at both ends of the rotating frame (203), and the rod parts of the hooks (204) are threadedly connected to the rotating frame (203) and have opposite rotation directions.

4. The tarpaulin manual side opening and closing device according to claim 1, characterized in that: Two pulleys (202) are symmetrically installed up and down along the moving frame (201).

5. The manual side opening and closing device for tarpaulin according to claim 3, wherein: The two hooks (204) are respectively fixed on one of the moving frames (201) and one end of the steel cable (205).

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