Large arc tarpaulin frame

Abstract

The utility model discloses a large arc tarpaulin frame. The large arc tarpaulin frame comprises two vertically-installed guide rails and a tarpaulin frame body, wherein the two vertically-installed guide rails are used for being fixed to a trailer, and the tarpaulin frame body is movably installed in the two vertically-installed guide rails. The tarpaulin frame body comprises an upper support, a lower support and a telescopic fence connected between the upper support and the lower support, the upper support comprises an upper arc, two sliding blocks are fixed to the two ends of the upper arc, and the two sliding blocks are installed in the two vertical installation guide rails in a sliding mode. The large-arc tarpaulin frame has the advantages that the problems that in the prior art, a tarpaulin frame is inconvenient to take and place, and the storage space is limited are solved, the large-arc tarpaulin frame with the height and the storage space convenient to adjust is achieved through the arrangement of the tarpaulin frame body movably installed in the vertical installation guide rails and the telescopic fences, and the large-arc tarpaulin frame is convenient to use. The problems are effectively solved, and the use convenience and practicability of the tarpaulin frame are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tarpaulin frame, concretely is a big circular arc tarpaulin frame. BACKGROUND

[0002] The tarpaulin frame is installed at the back of the trailer, like a backpack, for storing tarpaulin, the existing tarpaulin frame such as the Chinese utility model patent for detachable tarpaulin frame on semitrailer disclosed in application No. 201620849743.0, the tarpaulin frame is installed at the back of the carriage body, the carriage body is welded with a support, the tarpaulin frame is welded with a connecting piece, the connecting piece is connected with the support through a pin shaft, the tarpaulin frame is connected with the frame through a pin shaft, which is convenient to disassemble and replace, and the tarpaulin frame is provided with a detachable ladder on one side.

[0003] In view of the prior art, the tarpaulin frame is fixed on the trailer, and a ladder is needed when taking and placing the tarpaulin, which makes it inconvenient to take and place, in addition, the tarpaulin frame is welded by a steel pipe structure, and the size is fixed, so that the storage space is limited, therefore, we provide a big circular arc tarpaulin frame with adjusting capacity to solve the above problems. SUMMARY

[0004] The utility model discloses a big circular arc tarpaulin frame to solve the problems in the background art.

[0005] The utility model provides the following technical scheme: a big circular arc tarpaulin frame, including two vertical installation guide rails for being fixed with trailer and tarpaulin frame main part movably installed in two vertical installation guide rails,

[0006] The tarpaulin frame main part includes an upper support, a lower support and a telescopic fence connected between the upper support and the lower support, the upper support includes an upper arc, both ends of the upper arc are fixed with two sliding blocks, the two sliding blocks are slidingly installed in the two vertical installation guide rails, the lower support includes a lower arc, the lower arc is fixed with a bottom support rod, and the telescopic fence is connected between the upper arc and the lower arc.

[0007] Preferably, a moving mechanism for driving the tarpaulin frame main part to move is installed in the vertical installation guide rail.

[0008] Preferably, the moving mechanism includes a threaded rod rotatably installed in the vertical installation guide rail, the threaded rod is threadedly connected with the sliding block, the lower end of the vertical installation guide rail is fixed with a motor, and the output shaft of the motor is fixedly connected with the lower end of the threaded rod.

[0009] Preferably, the upper support is provided with a tarpaulin frame cover plate, one end of the tarpaulin frame cover plate is rotatably connected with two ends of the upper arc respectively, and the other end of the tarpaulin frame cover plate is detachably fixed with the upper arc.

[0010] Preferably, the telescopic fence comprises a fixed rod and a telescopic rod, the upper end of the fixed rod is fixedly connected with the upper arc, the lower end of the fixed rod is slidably connected with the upper end of the telescopic rod, and the lower end of the telescopic rod is fixedly connected with the lower arc.

[0011] Preferably, an electric telescopic cylinder is connected between the upper arc and the lower arc.

[0012] Preferably, the upper arc is fixed with a first fixed lug, the tarpaulin frame cover plate is fixed with a second fixed lug, and the first fixed lug and the second fixed lug are fixed by a lock.

[0013] Compared with the prior art, the tarpaulin frame is inconvenient to take and place, and the storage space is limited. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 3 It is a tarpaulin frame main body structural schematic diagram of the utility model.

[0017] Figure 4 It is a tarpaulin frame main body structural schematic diagram of the utility model. Figure 2 It is an enlarged structural schematic diagram of A in the utility model.

[0018] In the drawing: 10, vertical installation guide rail; 20, tarpaulin frame main body; 21, upper support; 210, upper arc; 211, sliding block; 212, first fixed lug; 22, lower support; 220, lower arc; 221, bottom support rod; 23, telescopic fence; 230, fixed rod; 231, telescopic rod; 24, tarpaulin frame cover plate; 240, second fixed lug; 30, moving mechanism; 31, threaded rod; 32, motor; 40, electric telescopic cylinder; 50, lock. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] Please refer to Figures 1-4 The utility model discloses a big circular awning cloth frame, including two vertical installation guide rail 10 for with trailer fixed and the awning cloth frame main part 20 of movable installation in two vertical installation guide rail 10, the installation hole is equipped with on vertical installation guide rail 10, is used for through bolt and trailer fixed installation, the awning cloth frame main part 20 movable installation in two vertical installation guide rail 10, when using, can adjust height through sliding awning cloth frame main part 20 to the convenient taking and placing of awning cloth, the problem of inconvenient taking and placing of awning cloth caused by the fixed installation of awning cloth frame and trailer in prior art is solved.

[0021] The size of the existing awning cloth frame is fixed, and it is inconvenient to adjust the size of the storage space. In the embodiment, the awning cloth frame main body 20 includes an upper support 21, a lower support 22, and a telescopic fence 23 connected between the upper support 21 and the lower support 22. The telescopic fence 23 is provided to make the overall length of the awning cloth frame main body 20 telescopic, so as to conveniently adjust the storage space of the awning cloth frame main body 20 and meet different storage needs.

[0022] Specifically, the upper support 21 includes an upper arc 210, and two sliding blocks 211 are fixed at both ends of the upper arc 210. The two sliding blocks 211 are slidingly installed in the two vertical installation guide rails 10. The sliding of the two sliding blocks 211 in the two vertical installation guide rails 10 can realize the overall sliding of the awning cloth frame main body 20. The lower support 22 includes a lower arc 220, and a bottom support rod 221 is fixed to the lower arc 220. The telescopic fence 23 is connected between the upper arc 210 and the lower arc 220.

[0023] In order to conveniently adjust the height of the awning cloth frame main body 20, a moving mechanism 30 for driving the awning cloth frame main body 20 to move is installed in the vertical installation guide rail 10.

[0024] The moving mechanism 30 comprises a threaded rod 31 rotatably installed in the vertical installation guide rail 10, the threaded rod 31 is in threaded connection with the sliding block 211, the lower end of the vertical installation guide rail 10 is fixedly connected with a motor 32, the output shaft of the motor 32 is fixedly connected with the lower end of the threaded rod 31, in use, the external power supply of the motor 32 is connected, the output shaft of the motor 32 drives the threaded rod 31 to rotate when rotating, the threaded rod 31 drives the sliding block 211 to slide in the vertical installation guide rail 10 when rotating, so that the height of the tarpaulin frame main body 20 is conveniently adjusted, in other embodiments, the motor 32 can also be replaced by a crank handle, in use, the crank handle can be manually operated to rotate, and the threaded rod 31 is driven to rotate through rotation of the crank handle.

[0025] The upper support 21 is provided with a tarpaulin frame cover plate 24, one end of the tarpaulin frame cover plate 24 is rotatably connected with both ends of the upper arc 210, and the other end of the tarpaulin frame cover plate 24 is detachably fixed with the upper arc 210; after articles such as tarpaulins are stored in the tarpaulin frame main body 20, the tarpaulin frame cover plate 24 can be rotated to be closed, and the opening of the tarpaulin frame main body 20 is shielded.

[0026] As shown in Figure 3 some embodiments, the telescopic fence 23 comprises a fixed rod 230 and a telescopic rod 231, the upper end of the fixed rod 230 is fixedly connected with the upper arc 210, the lower end of the fixed rod 230 is slidably connected with the upper end of the telescopic rod 231, and the lower end of the telescopic rod 231 is fixedly connected with the lower arc 220.

[0027] In order to conveniently adjust the size of the tarpaulin frame main body 1, the electric telescopic cylinder 40 is connected between the upper arc 210 and the lower arc 220, the distance between the upper arc 210 and the lower arc 220 can be adjusted through the arrangement of the electric telescopic cylinder 40, when the distance between the upper arc 210 and the lower arc 220 changes, the telescopic fence 23 also adaptively telescopes, so that the size of the tarpaulin frame main body 1 is conveniently adjusted.

[0028] As shown in Figure 4 the upper arc 210 is fixedly connected with a first fixed lug 212, the tarpaulin frame cover plate 24 is fixedly connected with a second fixed lug 240, and the first fixed lug 212 and the second fixed lug 240 are fixed through a lock 50.

[0029] In summary, the utility model aims at realizing a large-arc tarpaulin frame convenient to adjust height and storage space size, so as to solve the problems of inconvenient taking and placing of the tarpaulin frame and limited storage space in the prior art.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A large circular arc tarpaulin frame, characterized in that: It includes two vertical mounting rails (10) for fixing to the trailer and a tarpaulin frame body (20) movably installed within the two vertical mounting rails (10); The main body (20) of the tarpaulin frame includes an upper support (21), a lower support (22), and a retractable fence (23) connecting the upper support (21) and the lower support (22). The upper support (21) includes an upper arc (210), and two sliding blocks (211) are fixed at both ends of the upper arc (210). The two sliding blocks (211) are slidably installed in the two vertical mounting rails (10). The lower support (22) includes a lower arc (220), and a bottom support rod (221) is fixed to the lower arc (220). The retractable fence (23) is connected between the upper arc (210) and the lower arc (220).

2. The large arc tarpaulin frame according to claim 1, characterized in that: The vertical mounting guide rail (10) is equipped with a moving mechanism (30) for driving the tarpaulin frame body (20) to move.

3. The large arc tarpaulin frame according to claim 2, characterized in that: The moving mechanism (30) includes a threaded rod (31) rotatably mounted in the vertical mounting guide rail (10), the threaded rod (31) being threadedly connected to the sliding block (211), and a motor (32) being fixed at the lower end of the vertical mounting guide rail (10), the output shaft of the motor (32) being fixedly connected to the lower end of the threaded rod (31).

4. The large arc tarpaulin frame according to claim 1, characterized in that: The upper support (21) is provided with a tarpaulin frame cover plate (24). One end of the tarpaulin frame cover plate (24) is rotatably connected to both ends of the upper arc (210). The other end of the tarpaulin frame cover plate (24) is detachably fixed to the upper arc (210).

5. A large arc-shaped tarpaulin frame according to claim 1, characterized in that: The retractable fence (23) includes a fixed rod (230) and a telescopic rod (231). The upper end of the fixed rod (230) is fixedly connected to the upper arc (210), and the lower end of the fixed rod (230) is slidably connected to the upper end of the telescopic rod (231). The lower end of the telescopic rod (231) is fixedly connected to the lower arc (220).

6. A large arc-shaped tarpaulin frame according to claim 5, characterized in that: An electric telescopic cylinder (40) is connected between the upper arc (210) and the lower arc (220).

7. A large arc-shaped tarpaulin frame according to claim 4, characterized in that: The upper arc (210) is fixed with a first fixing ear (212), and the tarpaulin frame cover plate (24) is fixed with a second fixing ear (240). The first fixing ear (212) and the second fixing ear (240) are fixed by a lock (50).

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