Hidden tarpaulin tensioning device

Abstract

The utility model discloses a hidden tarpaulin tensioning device, which relates to the field of tarpaulin, and is characterized by comprising a plurality of tarpaulin frames, connecting cross beams are connected between the adjacent tarpaulin frames, each tarpaulin frame comprises a top beam and beam feet arranged at the bottom of the top beam, a tensioning seat is arranged at the top of the top beam, and the connecting cross beams are connected with the connecting cross beams. A tensioning cavity is formed in the top of the tensioning seat, a movable seat is slidably connected into the tensioning cavity, limiting grooves are formed in the two sides of the movable seat, a movable end is arranged at one end of the tensioning screw and rotationally connected with the bottom of the tensioning cavity, and a baffle plate is arranged at the other end of the tensioning screw and rotationally connected with the bottom of the tensioning cavity. The utility model relates to a tent, and aims to solve the technical problems that in the use process of the tent, a movable seat is exposed, so that rainwater is accumulated in a tensioning cavity and a limiting groove when it rains, a top beam and the movable seat are rusted after long-time use, aging of the tent is accelerated by rusting, the service life of the tent is shortened, and the overall structure of the tent is unstable.

Description

Technical Field

[0001] The utility model relates to the field of marquees, in particular to a concealed tarpaulin tensioning device. Background Art

[0002] Existing marquees are often used in occasions such as mobile houses, mobile hotels, mobile offices and mobile entertainment halls to provide people with living, entertainment, leisure and office activity spaces. Due to the mobility of marquees, they are increasingly loved by such consumers. The tarpaulin of existing marquees is flexible. After the tarpaulin is installed on the marquee frame, it is necessary to tension the tarpaulin so that it is tightly installed on the marquee frame.

[0003] Generally, the marquee frame is composed of multiple marquee frames connected by connecting crossbeams. The marquee frame includes a top beam and beam feet. A tensioning cavity is provided at the top of the top beam. An movable seat that can slide up and down is provided in the tensioning cavity. Limiting grooves for loading the corners of the tarpaulin are provided on both sides of the movable seat so that the tarpaulin is tensioned. However, during the use of the tarpaulin, since the movable seat is exposed, when it rains, rainwater will accumulate inside the tensioning cavity and the limiting grooves. After long-term use, the top beam and the movable seat will rust. Rusting will accelerate the aging of the marquee, shorten its service life, and cause the overall structure of the marquee to be unstable. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a concealed tarpaulin tensioning device, aiming to solve the technical problems that during the use of the tarpaulin, since the movable seat is exposed, when it rains, rainwater will accumulate inside the tensioning cavity and the limiting grooves. After long-term use, the top beam and the movable seat will rust. Rusting will accelerate the aging of the marquee, shorten its service life, and cause the overall structure of the marquee to be unstable.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A concealed tarpaulin tensioning device includes a plurality of marquee frames. A connecting crossbeam is connected between adjacent marquee frames. The marquee frame includes a top beam and beam feet provided at the bottom of the top beam. A tensioning seat is provided at the top of the top beam. A tensioning cavity is opened at the top of the tensioning seat. An movable seat is slidably connected in the tensioning cavity. Limiting grooves are opened on both sides of the movable seat. The device further includes a tensioning screw and a shielding plate. An movable end is provided at one end of the tensioning screw. The movable end is rotatably connected to the bottom of the tensioning cavity. A transmission hole is opened inside the movable seat. The tensioning screw is in threaded cooperation with the transmission hole. A fixed end is provided at the other end of the tensioning screw. The shielding plate is located above the tensioning cavity. A fixing hole is opened inside the shielding plate. The fixed end passes through the fixing hole. A fixing nut is threadedly connected to the outside of the fixed end so that the fixing nut abuts against the shielding plate.

[0007] When the tarpaulin needs to be tensioned, the corners of the tarpaulin are placed in the limit grooves of the movable seat. When the operator rotates the fixed end of the tensioning screw, due to the threaded fit between the tensioning screw and the transmission hole of the movable seat, the rotational movement of the tensioning screw will be converted into the up-and-down movement of the movable seat. The downward movement of the movable seat will change the position of the movable seat in the tensioning cavity, thereby tensioning the tarpaulin and changing the tension degree of the tarpaulin. When the tarpaulin reaches the appropriate tension degree, the fixed end will pass through the fixing hole of the baffle plate, and the fixing nut will be tightened on the fixed end to make the fixing nut abut against the baffle plate, thereby fixing the position of the tensioning screw and at the same time fixing the position of the baffle plate. The presence of the baffle plate makes the structures of the movable seat and the tensioning cavity not easily seen by the outside world, and at the same time avoids rainwater erosion of the movable seat and the tensioning cavity, avoids rainwater corrosion of the top beam and the movable seat, and prolongs the service life of the tent.

[0008] Further, in the present application, extension plates extend from both sides of the baffle plate. The extension plates are located above the tensioning seat, and a pressing interval is formed between the extension plates and the tensioning seat. The pressing interval is for the corners of the tarpaulin to pass through.

[0009] The extension plates are part of the baffle plate. They extend from both sides of the baffle plate and are located above the tensioning seat. The main function of the extension plates is to provide a pressing interval for fixing the corners of the tarpaulin, thereby sealing the gap between the extension plates and the tensioning seat and further strengthening the sealing structure of the movable seat and the tensioning cavity. And due to the fixing effect of the pressing interval between the extension plates and the tensioning seat on the corners of the tarpaulin, combined with the adjustment of the overall tension degree of the tarpaulin by the tensioning screw, the contact area with the tarpaulin is increased, so that the entire tarpaulin can maintain a tight and flat state, which not only ensures the stability of the tarpaulin but also improves the wind resistance of the tarpaulin.

[0010] Further, in the present application, pressing blocks are provided at the bottom of the extension plates. The pressing blocks are elastic and are located in the pressing interval.

[0011] When the corners of the tarpaulin are pressed into the pressing interval, the elastic pressing blocks will be slightly deformed to fill the gaps between the corners of the tarpaulin and the extension plates, thereby providing a uniform and tight fixing effect.

[0012] Further, in the present application, a connecting groove is formed at the bottom of the tensioning seat. The connecting groove communicates with the tensioning cavity. A rotating groove is formed at the top of the top beam. The rotating groove communicates with the connecting groove. The movable end passes through the connecting groove and the rotating groove, so that the penetrating end of the movable end is rotationally matched with the rotating groove.

[0013] Further, in the present application, a limiting rotating block is provided at the penetrating end of the movable end. The limiting rotating block is rotationally engaged with the rotating groove. The size of the rotating groove is larger than that of the connecting groove, and the limiting rotating block matches the rotating groove.

[0014] Further, in the present application, a plurality of first reinforcing ribs are provided at the bottom of the top beam, and a first reinforcing beam is provided at the bottom of the first reinforcing ribs.

[0015] Further, in the present application, a second reinforcing rib is connected between adjacent first reinforcing ribs. The second reinforcing rib is inclined, and a plurality of the first reinforcing ribs and a plurality of the second reinforcing ribs and the first reinforcing beam surround a plurality of triangular shapes.

[0016] Further, in the present application, a second reinforcing beam is connected to one side of the beam foot. One end of the second reinforcing beam is connected to the first reinforcing beam. A plurality of third reinforcing ribs are provided on one side of the beam foot. One end of the third reinforcing rib is connected to one side of the second reinforcing beam. A plurality of the third reinforcing ribs, the beam foot, and the second reinforcing beam respectively surround a plurality of triangular shapes.

[0017] Further, in the present application, a fourth reinforcing rib is provided on the other side of the first reinforcing beam. One end of the fourth reinforcing rib is connected to the second reinforcing beam. The fourth reinforcing rib, the first reinforcing beam, and the second reinforcing beam surround a triangular shape.

[0018] Further, in the present application, a plurality of connecting blocks are provided on one side of the connecting cross beam. A guiding cylinder is provided on one side of the connecting block, and the guiding cylinder is used to abut against the back surface of the tarpaulin.

[0019] The utility model has the following beneficial effects:

[0020] When it is necessary to tension the tarpaulin, the corners of the tarpaulin are placed in the limiting grooves of the movable seat. When the operator rotates the fixed end of the tensioning screw, since the tensioning screw is in threaded engagement with the transmission hole of the movable seat, the rotational movement of the tensioning screw will be converted into the up and down movement of the movable seat. The downward movement of the movable seat will change the position of the movable seat in the tensioning cavity, thereby tensioning the tarpaulin and changing the tension degree of the tarpaulin. When the tarpaulin reaches the appropriate tension degree, the fixed end will pass through the fixing hole of the shielding plate, and the fixing nut will be tightened on the fixed end to make the fixing nut abut against the shielding plate, thereby fixing the position of the tensioning screw and also fixing the position of the shielding plate at the same time. The presence of the shielding plate makes the structures of the movable seat and the tensioning cavity not easily seen by the outside world, and at the same time, it avoids rainwater from eroding the movable seat and the tensioning cavity, and avoids rainwater from corroding the top beam and the movable seat, thereby prolonging the service life of the tent. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a schematic structural diagram of the present utility model.

[0022] Figure 2 It is a schematic structural diagram of the top beam of the present utility model.

[0023] Figure 3 It is a schematic structural diagram of the tensioning seat of the present utility model.

[0024] Figure 4 It is a schematic structural diagram of the connecting block of the present utility model.

[0025] Figure 5 It is a schematic structural diagram of the pressing interval of the present utility model.

[0026] Figure 6 It is a schematic structural diagram of the movable seat of the present utility model.

[0027] Among them, reference numerals:

[0028] 1, awning frame; 2, connecting cross beam; 3, fixing hole; 4, awning cloth; 5, top beam; 6, first reinforcing rib; 7, first reinforcing beam; 8, fourth reinforcing rib; 9, beam foot; 10, second reinforcing beam; 11, third reinforcing rib; 12, tensioning seat; 13, tensioning cavity; 14, tensioning screw; 15, movable end; 16, rotating groove; 17, fixed end; 18, movable seat; 19, limiting groove; 20, transmission hole; 21, fixing nut; 22, shielding plate; 23, extension plate; 24, pressing interval; 25, pressing block; 26, limiting rotating block; 27, connecting groove; 28, second reinforcing rib; 29, connecting block; 30, guiding cylinder. Detailed implementation manners

[0029] The following details the implementation manners of the present utility model. Examples of the implementation manners are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The implementation manners described below with reference to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, "a plurality of" means two or more unless otherwise specifically defined.

[0031] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, an electrical connection, or a connection capable of mutual communication; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] Referring to Figures 3 - 6 , in some specific embodiments, a concealed tarpaulin tensioning device includes a plurality of awning frames 1, a connecting cross beam 2 is connected between adjacent awning frames 1. The awning frame 1 includes a top beam 5 and beam feet 9 provided at the bottom of the top beam 5. A tensioning seat 12 is provided at the top of the top beam 5, a tensioning cavity 13 is opened at the top of the tensioning seat 12, a movable seat 18 is slidably connected in the tensioning cavity 13, limiting grooves 19 are opened on both sides of the movable seat 18. It further includes a tensioning screw 14 and a shielding plate 22. One end of the tensioning screw 14 is provided with a movable end 15, the movable end 15 is rotatably connected to the bottom of the tensioning cavity 13. A transmission hole 20 is opened inside the movable seat 18, the tensioning screw 14 is in threaded cooperation with the transmission hole 20. The other end of the tensioning screw 14 is provided with a fixed end 17. The shielding plate 22 is located above the tensioning cavity 13, a fixing hole 3 is opened inside the shielding plate 22, the fixed end 17 passes through the fixing hole 3, and a fixing nut 21 is threadedly connected to the outside of the fixed end 17, so that the fixing nut 21 abuts against the shielding plate 22.

[0033] Through the above technical solution, when it is necessary to tension the tarpaulin 4, the corners of the tarpaulin 4 are placed in the limiting groove 19 of the movable seat 18. When the operator rotates the fixed end 17 of the tensioning screw 14, since the tensioning screw 14 is in threaded fit with the transmission hole 20 of the movable seat 18, the rotational movement of the tensioning screw 14 will be converted into the up and down movement of the movable seat 18. When the movable seat 18 moves downward, it will change the position of the movable seat 18 in the tensioning cavity 13, thereby tensioning the tarpaulin 4 and changing the tension degree of the tarpaulin 4. When the tarpaulin 4 reaches the appropriate tension degree, the fixed end 17 will pass through the fixing hole 3 of the shielding plate 22, and the fixing nut 21 will be tightened on the fixed end 17, making the fixing nut 21 abut against the shielding plate 22, thereby fixing the position of the tensioning screw 14. At the same time, the position of the shielding plate 22 is also fixed. The presence of the shielding plate 22 makes the structures of the movable seat 18 and the tensioning cavity 13 not easily seen by the outside world, and also avoids rainwater erosion of the movable seat 18 and the tensioning cavity 13, and avoids rainwater corrosion of the top beam 5 and the movable seat 18, extending the service life of the tent.

[0034] Referring to Figures 3 - 6 , in some specific embodiments, extension plates 23 extend from both sides of the shielding plate 22. The extension plates 23 are located above the tensioning seat 12, and a pressing interval 24 is formed between the extension plates 23 and the tensioning seat 12. The pressing interval 24 is used for the corners of the tarpaulin 4 to pass through.

[0035] Through the above technical solution, the extension plates 23 are part of the shielding plate 22. They extend from both sides of the shielding plate 22 and are located above the tensioning seat 12. The main function of the extension plates 23 is to provide the pressing interval 24 for fixing the corners of the tarpaulin 4, thereby sealing the gap between the extension plates 23 and the tensioning seat 12, and further strengthening the sealing structure of the movable seat 18 and the tensioning cavity 13; and due to the fixing effect of the pressing interval 24 between the extension plates 23 and the tensioning seat 12 on the corners of the tarpaulin 4, combined with the adjustment of the overall tension degree of the tarpaulin 4 by the tensioning screw 14, the contact area with the tarpaulin 4 is increased, so that the entire tarpaulin 4 can maintain a tight and flat state, not only ensuring the stability of the tarpaulin 4, but also improving the wind resistance of the tarpaulin 4.

[0036] Referring to Figures 5 - 6 , in some specific embodiments, pressing blocks 25 are provided at the bottom of the extension plates 23. The pressing blocks 25 are elastic and are located in the pressing interval 24.

[0037] Through the above technical solution, when the corners of the tarpaulin 4 are pressed into the pressing interval 24, the elastic pressing blocks 25 will be slightly deformed to fill the gap between the corners of the tarpaulin 4 and the extension plates 23, thereby providing a uniform and tight fixing effect.

[0038] Referring to Figures 5 - 6, in some specific embodiments, a connection groove 27 is formed at the bottom of the tensioning seat 12, the connection groove 27 communicates with the tensioning cavity 13, a rotation groove 16 is formed at the top of the top beam 5, the rotation groove 16 communicates with the connection groove 27, and the movable end 15 passes through the connection groove 27 and the rotation groove 16, so that the penetrating end of the movable end 15 is rotationally matched with the rotation groove 16.

[0039] Refer to Figures 5 - 6 , in some specific embodiments, a limiting rotary block 26 is provided at the penetrating end of the movable end 15, the limiting rotary block 26 is rotationally matched with the rotation groove 16, the size of the rotation groove 16 is larger than that of the connection groove 27, and the limiting rotary block 26 is matched with the rotation groove 16.

[0040] Through the above technical solution, the limiting rotary block 26 is located inside the rotation groove 16, and it is matched with the shape of the rotation groove 16, and can rotate in the rotation groove 16 but will not slip out of the rotation groove 16, preventing the tensioning screw 14 from rotating excessively or falling off, and ensuring the stability and safety of the tarpaulin.

[0041] Refer to Figures 1 - 2 , in some specific embodiments, a plurality of first reinforcing ribs 6 are provided at the bottom of the top beam 5, and a first reinforcing beam 7 is provided at the bottom of the first reinforcing ribs 6.

[0042] Through the above technical solution, the design of the first reinforcing ribs 6 and the first reinforcing beam 7 increases the cross-sectional area of the top beam 5, thereby improving the bending and torsional resistance of the top beam 5; when the top beam 5 is subjected to external forces, such as wind force or snow load, the first reinforcing ribs 6 and the first reinforcing beam 7 can effectively disperse these loads and prevent the top beam 5 from being excessively bent or twisted.

[0043] Refer to Figures 1 - 2 , in some specific embodiments, a second reinforcing rib 28 is connected between adjacent first reinforcing ribs 6, the second reinforcing rib 28 is obliquely arranged, and a plurality of first reinforcing ribs 6 and a plurality of second reinforcing ribs 28 and the first reinforcing beam 7 surround a plurality of triangular shapes.

[0044] Through the above technical solution, since the first reinforcing ribs 6 and the second reinforcing ribs 28 and the first reinforcing beam 7 surround a plurality of triangular shapes, these triangular structures can effectively disperse and bear external loads, and the use of the triangular support structure enables the top beam 5 to bear greater loads, is applicable to the tarpaulin 4 structure with a larger span, and improves the fatigue resistance of the top beam 5 and prolongs the service life of the top beam 5.

[0045] Refer to Figures 1 - 2, in some specific embodiments, a second reinforcing beam 10 is connected to one side of the beam foot 9. One end of the second reinforcing beam 10 is connected to the first reinforcing beam 7. A plurality of third reinforcing ribs 11 are provided on one side of the beam foot 9. One end of each third reinforcing rib 11 is connected to one side of the second reinforcing beam 10. The plurality of third reinforcing ribs 11, the beam foot 9, and the second reinforcing beam 10 respectively enclose a plurality of triangular shapes.

[0046] Through the above technical solution, the use of the triangular support structure enables the beam foot 9 to bear a greater load, endowing the beam foot 9 with stronger structural stability and strength, and making the overall tent more durable.

[0047] Refer to Figures 1 - 2 , in some specific embodiments, a fourth reinforcing rib 8 is provided on the other side of the first reinforcing beam 7. One end of the fourth reinforcing rib 8 is connected to the second reinforcing beam 10. The fourth reinforcing rib 8, the first reinforcing beam 7, and the second reinforcing beam 10 enclose a triangular shape.

[0048] Refer to Figures 1 - 3 , in some specific embodiments, a plurality of connecting blocks 29 are provided on one side of the connecting cross beam 2. A guiding cylinder 30 is provided on one side of the connecting block 29. The guiding cylinder 30 is used to abut against the back surface of the tarpaulin 4.

[0049] Through the above technical solution, when the tarpaulin 4 is stretched and placed on the tent frame 1, the shape of the guiding cylinder 30 can guide the back surface of the tarpaulin 4 to reach the correct position accurately, ensuring the correct installation position of the tarpaulin 4, thereby improving the installation efficiency and accuracy.

[0050] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

Claims

1. A hidden tarpaulin tensioning device, comprising a plurality of tarpaulin frames, wherein adjacent tarpaulin frames are connected with a connecting crossbeam, wherein the tarpaulin frame comprises a top beam and a beam foot arranged at the bottom of the top beam, wherein a tensioning seat is arranged at the top of the top beam, wherein a tensioning cavity is arranged at the top of the tensioning seat, wherein a movable seat is slidably connected in the tensioning cavity, and wherein limit grooves are arranged on both sides of the movable seat, wherein: It also includes a tensioning screw and a baffle plate, wherein a movable end is provided at one end of the tensioning screw, and the movable end is rotatably connected to the bottom of the tensioning cavity, a transmission hole is provided inside the movable seat, and the tensioning screw is threadedly matched with the transmission hole, and a fixed end is provided at the other end of the tensioning screw, and the baffle plate is located above the tensioning cavity, a fixing hole is provided inside the baffle plate, and the fixing end is penetrated by the fixing hole, and a fixing nut is threadedly connected to the external surface of the fixed end so that the fixing nut contacts the baffle plate.

2. A hidden tarpaulin tensioning device according to claim 1, characterized in that: Extension plates are extended from both sides of the shielding plate, and the extension plates are located above the tensioning seat. The extension plates and the tensioning seat are separated to form a compression gap, and the compression gap is used for the corners of the tarpaulin to pass through.

3. A hidden tarpaulin tensioning device according to claim 2, characterized in that: A pressing block is provided at the bottom of the extension plate. The pressing block is elastic and is located in the pressing interval.

4. A hidden tarpaulin tensioning device according to claim 1, characterized in that: A connecting groove is provided at the bottom of the tensioning seat, and the connecting groove is connected to the tensioning cavity. A rotating groove is provided at the top of the top beam, and the rotating groove is connected to the connecting groove. The movable end passes through the connecting groove and the rotating groove, so that the insertion end of the movable end rotates in cooperation with the rotating groove.

5. A hidden tarpaulin tensioning device according to claim 4, characterized in that: The insertion end of the movable end is provided with a limit rotary block, the limit rotary block is rotatably matched with the rotation groove, the size of the rotation groove is larger than the connecting groove, and the limit rotary block matches the rotation groove.

6. A hidden tarpaulin tensioning device according to claim 1, characterized in that: A plurality of first reinforcing ribs are provided at the bottom of the top beam, and a first reinforcing beam is provided at the bottom of the first reinforcing ribs.

7. A hidden tarpaulin tensioning device according to claim 6, characterized in that: Second reinforcing ribs are connected between adjacent first reinforcing ribs, and the second reinforcing ribs are arranged obliquely. A plurality of the first reinforcing ribs and a plurality of the second reinforcing ribs surround the first reinforcing beam to form a plurality of triangular shapes.

8. The hidden tarpaulin tensioning device according to claim 6, characterized in that: A second reinforcing beam is connected to one side of the beam foot, one end of the second reinforcing beam is connected to the first reinforcing beam, a plurality of third reinforcing ribs are provided on one side of the beam foot, one end of the third reinforcing ribs is connected to one side of the second reinforcing beam, and the plurality of third reinforcing ribs, the beam foot and the second reinforcing beam are respectively surrounded into a plurality of triangular shapes.

9. A hidden tarpaulin tensioning device according to claim 8, characterized in that: A fourth reinforcing rib is provided on the other side of the first reinforcing beam, one end of the fourth reinforcing rib is connected to the second reinforcing beam, and the fourth reinforcing rib, the first reinforcing beam and the second reinforcing beam are surrounded to form a triangle shape.

10. The hidden tarpaulin tensioning device according to claim 1, characterized in that: A plurality of connection blocks are arranged on one side of the connection beam, a guide cylinder is arranged on one side of the connection block, and the guide cylinder is used to contact with the back side of the tarpaulin.

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