Openable waterproof tarpaulin for logistics transportation

Abstract

The utility model relates to the field of waterproof tarpaulin, in particular to an openable waterproof tarpaulin for logistics transportation, which comprises two positioning seats, a first knob is arranged on the outer end face of one end of each positioning seat, and clamping blocks are arranged on two sides of opposite surfaces of the two positioning seats. A limiting seat is arranged above the first knob and located at one end of one positioning seat, limiting blocks are arranged on the two sides of the outer end face of the limiting seat, and second knobs are arranged at the bottom ends of the opposite faces of the two limiting blocks and located at the outer end of the limiting seat. The first rotary knob is rotated to drive the two clamping blocks to clamp and fix a transported object, when the curtain base is connected with the other positioning base, the second rotary knob is rotated to enable the two limiting blocks to clamp and fix the insertion blocks, and the cleaning scrapers are arranged on the inner walls, located on the positioning bases, of the two sides of the curtain. Therefore, when the curtain base is pulled out of the positioning base and retracts, the cleaning scraper in the positioning base is used for cleaning the curtain.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof tarpaulins, in particular to a waterproof tarpaulin for logistics transportation that can be opened. Background Art

[0002] Freight vehicles are generally mainly trailers. A trailer is a vehicle that is towed by an automobile and has no power drive device itself. Trailers are important vehicles in road transportation. Using trailers for transportation is the simplest and most effective important means to improve economic efficiency. During transportation, a tarpaulin needs to be set above the trailer. The tarpaulin is used to block the transported goods, providing sunshade, wind protection, rain protection, etc. for the transported goods. Moreover, it can effectively prevent the transported goods from slipping off the trailer. The tarpaulin needs to be connected to the trailer through a tarpaulin support frame.

[0003] For example, patent number CN202222466660.1 discloses a waterproof tarpaulin support frame for a freight vehicle, which includes two relatively arranged tarpaulin support components. The characteristics are as follows: each tarpaulin support component includes a central support body, an L-shaped support rod a, and an L-shaped support rod b; an adjustment horizontal cavity is opened inside the central support body, and both the L-shaped support rod a and the L-shaped support rod b are inserted into the adjustment horizontal cavity; vehicle fixing bodies are assembled at the lower ends of the L-shaped support rod a and the L-shaped support rod b, and an adjustment vertical cavity is provided inside the vehicle fixing body; inner screw cylinders are installed at the ends of the L-shaped support rod a and the L-shaped support rod b, and the inner screw cylinders are installed in the adjustment vertical cavity. A screw rod is installed inside the adjustment vertical cavity through a bearing, and the inner screw cylinder is screwed outside the screw rod. The utility model has a simple structure and convenient operation. By setting two relatively arranged tarpaulin support components, a tarpaulin support frame is formed at the upper end of the freight trailer for installing the tarpaulin. The adjustable width of the tarpaulin support component is used to adapt to the installation of trailers with different widths. The height of the tarpaulin can also be adjusted by adjusting the height of the support component to meet the covering needs of goods with different heights, improving the usability of the tarpaulin. However, during the use of the waterproof tarpaulin by staff, ropes or fixing mechanisms are mostly needed to fix the vehicle and the support. It is very troublesome to disassemble the tarpaulin later, which wastes time. Moreover, after the waterproof tarpaulin is used, the surface of the waterproof tarpaulin is covered with dust, which is not convenient for storage.

[0004] Therefore, aiming at the problems that during the use of the above-mentioned waterproof tarpaulin by staff, ropes or fixing mechanisms are mostly needed to fix the vehicle and the support, it is very troublesome to disassemble the tarpaulin later, which wastes time, and after the waterproof tarpaulin is used, the surface of the waterproof tarpaulin is covered with dust, which is not convenient for storage.

[0005] A waterproof tarpaulin for logistics transportation that can be opened can be designed. It drives two clamping blocks to clamp and fix the transported object by rotating the first knob. When the curtain seat is connected to another positioning seat, the two limiting blocks clamp and fix the plug block by rotating the second knob. Cleaning scrapers are provided on the inner walls of both sides of the positioning seat for the curtain. Thus, when the curtain seat is pulled out and retracted from the inside of the positioning seat, the curtain is cleaned by the cleaning scrapers inside the positioning seat. Summary of the Utility Model

[0006] In order to overcome the problems that during the use of the waterproof tarpaulin by workers, ropes or fixing mechanisms are mostly needed to fix the vehicle and the support, and it is very troublesome to disassemble the tarpaulin later, which is time-consuming, and after the waterproof tarpaulin is used, the surface of the waterproof tarpaulin is covered with dust and it is not convenient to store and put away.

[0007] The technical solution of the present utility model is: a waterproof tarpaulin for logistics transportation that can be opened, including two positioning seats. The outer end face of one end of the positioning seat is provided with a first knob. Clamping blocks are provided on both sides of the opposite faces of the two positioning seats. Above the first knob, a limiting seat is provided at one end of one of the positioning seats. Limiting blocks are provided on both sides of the outer end face of the limiting seat. At the bottom of the opposite faces of the two limiting blocks, a second knob is provided at the outer end of the limiting seat. The top of the other positioning seat is provided with a curtain seat. One side of the curtain seat is provided with a plug. The bottom of the curtain seat is provided with a curtain. The bottom of the curtain is provided with a curtain reel inside the other positioning seat. The curtain passes through the positioning seat and extends to the outside of the curtain reel. Cleaning scrapers are provided on the inner walls of both sides of the positioning seat for the curtain.

[0008] Preferably, by rotating the first knob, two clamping blocks clamp and fix the transported object. When the curtain seat is connected to another positioning seat, by rotating the second knob, the two limiting blocks clamp and fix the plug block. Cleaning scrapers are provided on the inner walls of both sides of the positioning seat for the curtain. Thus, when the curtain seat is pulled out and retracted from the inside of the positioning seat, the curtain is cleaned by the cleaning scrapers inside the positioning seat.

[0009] As a preference, a first movable groove is provided inside the positioning seat at the rear end of the clamping block. The rear end of the clamping block extends to the inside of the first movable groove. On the inner wall of the first movable groove on one side of one of the clamping blocks, a first double-headed threaded screw rod is provided. One end of the first double-headed threaded screw rod penetrates through the two clamping blocks and extends to the inner wall of the other first movable groove.

[0010] Preferably, one end of the first knob penetrates through the positioning seat and extends to one side of the first double-headed threaded rod. Bevel gears are provided at the intersections of the first knob and the first double-headed threaded rod. The first knob and the first double-headed threaded rod are drivingly connected through the bevel gears. The threads at both ends of the first double-headed threaded rod are symmetric about the first knob, and the two clamping blocks of the first double-headed threaded rod mesh with each other.

[0011] Preferably, rotating blocks are provided at both ends of the curtain roller. One end of the rotating block is provided with a rotating groove inside the positioning seat, and one end of the rotating block extends to the inside of the rotating groove. A torsion spring is provided on the outer side of the rotating block on the inner wall of the rotating groove. The curtain roller is movably connected to the positioning seat through the torsion spring.

[0012] Preferably, a slot is provided inside the limit seat. The size and shape of the slot are the same as those of the insertion block. The bottom end of the limit block is provided with a second moving groove inside the limit seat, and the bottom end of the limit block extends to the inside of the second moving groove. A second double-headed threaded rod is provided on one side of one of the limit blocks inside the second moving groove. One end of the second double-headed threaded rod penetrates through the two limit blocks and extends to the other end of the inner wall of the second moving groove. The second moving groove meshes with the two limit blocks.

[0013] Preferably, one end of the second knob penetrates through the limit seat and extends to one end of the second moving groove. Bevel gears are provided at the intersections of the second knob and the second moving groove. The second knob and the second moving groove are drivingly connected through the bevel gears. The threads at both ends of the second moving groove are symmetric about the second knob.

[0014] The beneficial effects of the present utility model:

[0015] By respectively rotating the first knob at the rear end of the positioning seat, the first knob drives the two clamping blocks to clamp and fix the transported object. When the curtain seat is connected to another positioning seat, the insertion block on one side of the curtain seat is inserted into the inside of the limit seat at one end of the other positioning seat. By rotating the second knob, the two limit blocks clamp and fix the insertion block. And cleaning scrapers are provided on the inner walls of the positioning seats on both sides of the curtain. Thus, when the curtain seat is pulled out of and retracted into the positioning seat, the curtain is cleaned by the cleaning scrapers inside the positioning seat. Description of the Drawings

[0016] Figure 1 Shows the overall structural schematic diagram of the present utility model;

[0017] Figure 2 Shows the internal structural schematic diagram of one of the positioning seats of the present utility model;

[0018] Figure 3 Shows the structural schematic diagram of the transmission between the first knob and the first double-headed threaded rod of the present utility model;

[0019] Figure 4 What is shown is a schematic diagram of the structure of the limit seat and the insert block of the utility model.

[0020] Explanation of the accompanying drawings: 1. positioning seat; 2. first knob; 3. first movable groove; 4. clamping block; 6. limiting seat; 7. inserting block; 8. curtain seat; 9. curtain reel; 10. curtain; 11. cleaning scraper; 12. first double-headed threaded screw; 13. slot; 14. limiting block; 15. second knob; 16. second double-headed threaded screw; 17. second movable groove. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Please refer to ( Figures 1 - 4 ), the utility model provides a technical solution: an openable waterproof tarpaulin for logistics transportation, including a positioning seat 1, two positioning seats 1 are provided, the outer end surface of one end of the positioning seat 1 is provided with a first knob 2, both sides of the opposite surfaces of the two positioning seats 1 are provided with clamping blocks 4, the rear end of the clamping block 4 is located on the inner side of the positioning seat 1 and is provided with a first movable groove 3, the rear end of the clamping block 4 extends to the inner side of the first movable groove 3, one side of one of the clamping blocks 4 is located on the inner wall of the first movable groove 3 and is provided with a first double-headed threaded screw rod 12, one end of the first double-headed threaded screw rod 12 penetrates the two clamping blocks 4 and extends to the inner wall of the other first movable groove 3, one end of the first knob 2 penetrates the positioning seat 1 The positioning seat 1 extends to one side of the first double-threaded screw 12, and a bevel gear is provided at the intersection of the first knob 2 and the first double-threaded screw 12. The first knob 2 and the first double-threaded screw 12 are connected through a bevel gear transmission. The threads at both ends of the first double-threaded screw 12 are symmetrical with the first knob 2 as the center, and the two clamping blocks 4 of the first double-threaded screw 12 are meshed with each other. Then, when the two positioning seats 1 are located at the bottom end of the transported object, the first knobs 2 at the rear end of the positioning seats 1 are rotated respectively. During the rotation of the first knob 2, the two clamping blocks 4 are driven by the first double-threaded screw 12 to perform relative movement, so that the transported object is clamped and fixed by the clamping blocks 4;

[0023] Please refer to ( Figures 1 - 3) In this embodiment, at one end of one of the positioning seats 1 above the first knob 2, there is a limit seat 6. On both sides of the outer end face of the limit seat 6, there are limit blocks 14. At the bottom end of the opposite faces of the two limit blocks 14, a second knob 15 is provided at the outer end of the limit seat 6. At the top end of the other positioning seat 1, there is a curtain seat 8. On one side of the curtain seat 8, there is an insertion block 7. Inside the limit seat 6, there is a slot 13, and the size and shape of the slot 13 are the same as those of the insertion block 7. At the bottom end of the limit block 14 inside the limit seat 6, there is a second movable groove 17. The bottom end of the limit block 14 extends to the inside of the second movable groove 17. On one side of one of the limit blocks 14 inside the second movable groove 17, there is a second double-headed threaded rod 16. One end of the second double-headed threaded rod 16 penetrates through the two limit blocks 14 and extends to the other end of the inner wall of the second movable groove 17. The second movable groove 17 meshes with the two limit blocks 14. One end of the second knob 15 penetrates through the limit seat 6 and extends to one end of the second movable groove 17. At the intersection of the second knob 15 and the second movable groove 17, there are bevel gears. The second knob 15 and the second movable groove 17 are connected by bevel gear transmission. The threads at both ends of the second movable groove 17 are symmetric with the second knob 15 as the center. Thus, when the curtain seat 8 is connected to the other positioning seat 1, the insertion block 7 on one side of the curtain seat 8 is inserted into the inside of the limit seat 6 at one end of the other positioning seat 1. Then, by rotating the second knob 15, the second knob 15 drives the second double-headed threaded rod 16 to rotate when rotating, and when the second double-headed threaded rod 16 rotates, the two limit blocks 14 move relatively, so as to clamp and fix the insertion block 7 through the two limit blocks 14;

[0024] Please refer to ( Figure 2 ) In this embodiment, at the bottom end of the curtain seat 8, there is a curtain 10. At the bottom end of the curtain 10, inside the other positioning seat 1, there is a curtain roller 9. The curtain 10 penetrates through the positioning seat 1 and extends to the outside of the curtain roller 9. At both ends of the curtain roller 9, there are rotating blocks. At one end of the rotating block, there is a rotating groove inside the positioning seat 1. One end of the rotating block extends to the inside of the rotating groove. On the inner wall of the rotating groove on the outer side of the rotating block, there is a torsion spring. The curtain roller 9 is movably connected to the positioning seat 1 through the torsion spring. On both sides of the curtain 10, inside the inner wall of the positioning seat 1, there are cleaning scrapers 11. Thus, when pulling out and retracting the curtain seat 8 from inside the positioning seat 1, the curtain 10 is cleaned by the cleaning scrapers 11 inside the positioning seat 1.

[0025] When working, when the two positioning seats 1 are located at the bottom of the transported object, the first knobs 2 at the rear ends of the positioning seats 1 are rotated respectively. During the rotation of the first knobs 2, the two clamping blocks 4 are driven to move relatively through the first double-headed threaded lead screw 12, so as to clamp and fix the transported object through the clamping blocks 4. Then, the curtain seat 8 is pulled out from the inside of the positioning seat 1, and the curtain 10 at the bottom of the curtain seat 8 wraps the transported object. When the curtain seat 8 is connected to another positioning seat 1, the insertion block 7 on one side of the curtain seat 8 is inserted into the inside of the limit seat 6 at one end of the other positioning seat 1. Then, by rotating the second knob 15, the second double-headed threaded lead screw 16 is driven to rotate when the second knob 15 rotates. When the second double-headed threaded lead screw 16 rotates, the two limit blocks 14 move relatively, so as to clamp and fix the insertion block 7 through the two limit blocks 14. And cleaning scrapers 11 are arranged on the inner walls of the positioning seats 1 on both sides of the curtain 10. When the curtain seat 8 is pulled out from the inside of the positioning seat 1 and retracted, the curtain 10 is cleaned by the cleaning scrapers 11 inside the positioning seat 1.

[0026] Through the above steps, the problems that in the process of using by the staff, the waterproof tarpaulin usually needs to use ropes or fixing mechanisms to fix the vehicle and the support, and it is very troublesome to disassemble the tarpaulin in the later stage, which is time-consuming, and after the waterproof tarpaulin is used, the surface of the waterproof tarpaulin is covered with dust and it is not convenient to store are solved.

Claims

1. A waterproof tarpaulin for logistics transportation that can be opened, comprising a positioning seat (1); characterized in that: There are also two positioning seats (1). The outer end face of one end of the positioning seat (1) is provided with a first knob (2). Clamping blocks (4) are provided on both sides of the opposite faces of the two positioning seats (1). Above the first knob (2), a limit seat (6) is provided at one end of one of the positioning seats (1). Limit blocks (14) are provided on both sides of the outer end face of the limit seat (6). At the bottom of the opposite faces of the two limit blocks (14) and outside the limit seat (6), a second knob (15) is provided. At the top of the other positioning seat (1), a curtain seat (8) is provided. An insertion block (7) is provided on one side of the curtain seat (8). A curtain (10) is provided at the bottom of the curtain seat (8). At the bottom of the curtain (10) and inside the other positioning seat (1), a curtain reel (9) is provided. The curtain (10) passes through the positioning seat (1) and extends to the outside of the curtain reel (9). Cleaning scrapers (11) are provided on both sides of the curtain (10) and on the inner wall of the positioning seat (1).

2. The waterproof tarpaulin for logistics transportation according to claim 1, which is characterized in that: At the rear end of the clamping block (4) and inside the positioning seat (1), a first moving slot (3) is provided. The rear end of the clamping block (4) extends to the inside of the first moving slot (3). On one side of one of the clamping blocks (4) and on the inner wall of the first moving slot (3), a first double-headed threaded rod (12) is provided. One end of the first double-headed threaded rod (12) passes through the two clamping blocks (4) and extends to the inner wall of the other first moving slot (3).

3. The waterproof tarpaulin for logistics transportation according to claim 2, characterized in that: One end of the first knob (2) passes through the positioning seat (1) and extends to one side of the first double-headed threaded rod (12). Bevel gears are provided at the intersection of the first knob (2) and the first double-headed threaded rod (12). The first knob (2) and the first double-headed threaded rod (12) are connected by bevel gear transmission. The threads at both ends of the first double-headed threaded rod (12) are symmetric with the first knob (2) as the center. The first double-headed threaded rod (12) meshes with the two clamping blocks (4).

4. A waterproof tarpaulin for logistics transportation that can be opened, characterized in that: Rotation blocks are provided at both ends of the curtain reel (9). One end of the rotation block and inside the positioning seat (1), a rotation slot is provided. One end of the rotation block extends to the inside of the rotation slot. A torsion spring is provided on the inner wall of the rotation slot outside the rotation block. The curtain reel (9) is movably connected to the positioning seat (1) through the torsion spring.

5. A waterproof tarpaulin for logistics transportation that can be opened, characterized in that: An insertion slot (13) is provided inside the limit seat (6). The size and shape of the insertion slot (13) are the same as those of the insertion block (7). At the bottom of the limit block (14) and inside the limit seat (6), a second moving slot (17) is provided. The bottom end of the limit block (14) extends to the inside of the second moving slot (17). On one side of one of the limit blocks (14) and inside the second moving slot (17), a second double-headed threaded rod (16) is provided. One end of the second double-headed threaded rod (16) passes through the two limit blocks (14) and extends to the other end of the inner wall of the second moving slot (17). The second moving slot (17) meshes with the two limit blocks (14).

6. The waterproof tarpaulin for logistics transportation according to claim 5, wherein: One end of the second knob (15) penetrates through the limit seat (6) and extends to one end of the second movable slot (17). Bevel gears are provided at the intersections of the second knob (15) and the second movable slot (17). The second knob (15) and the second movable slot (17) are connected by bevel gear transmission. The threads at both ends of the second movable slot (17) are symmetric about the second knob (15).

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