A central connector for a folding tent frame

Abstract

The application discloses a tent framework central connecting piece convenient to adjust and fold, which comprises a base plate, two base blocks are arranged on the top of the base plate, and a U-shaped base column is rotatably arranged on each base block; the U-shaped base column comprises a U-shaped column body and side plates; two side plates are movably arranged on one side of the U-shaped column body, and a shaft rod is fixed between the two side plates; and a shaft hole is arranged at one end of the base block; the existing tent framework central connecting piece is improved; the base block and the U-shaped base column are designed to be rotatably connected; and inner sliding rods, inner sliding grooves, side sliding blocks, side sliding channels and limiting structures are designed, so that the extension length of the U-shaped base column can be stretched and adjusted according to actual use requirements, the use flexibility and the universality of the connecting piece are greatly improved, and the U-shaped base column and the base block can be directly folded together when the connecting piece is stored and carried, so that the portability is improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of tent framework connecting piece, and particularly relates to a tent framework central connecting piece convenient to adjust and fold. BACKGROUND

[0002] The tent framework central connecting piece is the core connecting piece of the tent framework, mainly serves to connect two tent support rods, is generally composed of a base plate and two base columns, and the tent support rods and the base cylinder are connected together through bolts during use.

[0003] However, the existing tent framework central connecting piece cannot be adjusted and folded, which hinders the carrying and storage of the tent framework central connecting piece. SUMMARY

[0004] The present application aims to provide a tent framework central connecting piece convenient to adjust and fold, so as to solve the problem of the existing tent framework central connecting piece that cannot be adjusted and folded.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a tent framework central connecting piece convenient to adjust and fold, comprising a base plate, two base blocks are installed on the top of the base plate, a U-shaped base column is rotatably installed on each base block, the U-shaped base column comprises a U-shaped column body and a side plate, two side plates are movably installed on one side of the U-shaped column body, an axle rod is fixed between the two side plates, an axle hole is formed in one end of the base block, the axle rod is rotatable in the axle hole, an inner sliding groove is formed in the inside of the side plate, inner sliding rods are fixed at both ends of the U-shaped column body and are slidably located in the inner sliding groove, a side sliding block is fixed on one side of the inner sliding rod, a side sliding channel is formed on one side surface of the side plate, one end of the side sliding block extends to the outside of the side plate through the side sliding channel, the U-shaped base column further comprises a limiting structure, the limiting structure comprises a pressing groove formed in the inside of the side sliding block, a pressing block is movably installed in the pressing groove through a spring A, a push rod is fixed on one side of the pressing block, a sliding rod groove is formed on the other side surface of the side plate, one end of the push rod penetrates into the sliding rod groove and is fixed with a strip-shaped clamping plate, a plurality of side clamping grooves are uniformly formed on the inner walls of both sides of the sliding rod groove, and both ends of the strip-shaped clamping plate are clamped in the two side clamping grooves respectively.

[0006] Preferably, the sliding rod groove and the inner sliding groove are communicated, the side clamping grooves are communicated with the side surface of the side plate, a through hole is formed on the inner wall of the pressing groove and is communicated with the surface of the inner sliding rod, and the through hole corresponds to the push rod.

[0007] Preferably, the surface of the base block is provided with a rectangular groove, and a rectangular pull block is arranged in the rectangular groove, one side of the rectangular pull block is fixed with a limiting insertion rod, and the inner wall of the rectangular groove is provided with a rod hole communicated with the shaft hole, the shaft rod is provided with an insertion hole, one end of the limiting insertion rod penetrates into the insertion hole, a rebound structure is arranged between the rod hole and the limiting insertion rod, the rebound structure comprises an inner rod fixed in the rod hole, a rectangular notch corresponding to the inner rod is formed in the surface of the limiting insertion rod, the inner rod penetrates the limiting insertion rod through the rectangular notch, and a spring B is installed in the rectangular notch, and one end of the spring B is fixed on the inner rod.

[0008] Preferably, the surface of the U-shaped column is provided with a bolt hole, and the bolt hole is circular, four reserved holes are formed in the base plate, and the four reserved holes are located at the four corners of the base plate.

[0009] Compared with the prior art, the beneficial effects of the present application are: the present application improves the existing tent framework central connecting piece, designs the rotation connection between the base block and the U-shaped base column, and designs the inner slide rod, the inner slide groove, the side sliding block, the side slide and the limiting structure, so that the extension length of the U-shaped base column can be stretched and adjusted according to the actual use demand, greatly improving the use flexibility and universality of the connecting piece, and at the same time, the connecting piece can be directly folded together with the U-shaped base column and the base block when carrying and storing, reducing the occupied space and improving the portability. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a perspective view of the present application;

[0011] Figure 2 is a top view of the present application;

[0012] Figure 3 is a top view of the present application U-shaped base column and base block;

[0013] Figure 4 is a partial enlarged view of the limiting structure in the present application Figure 3

[0014] Figure 5 is a partial enlarged view of the rebound structure in the present application Figure 3

[0015] ​​In the figure: 1, base plate; 2, base block; 21, rectangular slot; 22, rectangular pull block; 23, limiting plug; 24, rod hole; 25, rebound structure; 251, inner rod; 252, rectangular notch; 253, spring B; 3, U-shaped base column; 31, U-shaped column body; 32, side plate; 33, inner sliding rod; 34, inner sliding groove; 35, side sliding block; 36, side sliding way; 37, limiting structure; 371, pressing groove; 372, pressing block; 373, spring A; 374, push rod; 375, sliding rod groove; 376, strip-shaped clamping plate; 377, side clamping groove; 38, shaft rod. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0017] Embodiment 1

[0018] Please refer to Figures 1 to 4For the first embodiment of the application, the embodiment provides a technical scheme: a convenient adjustment folding tent framework central connecting piece, including base plate 1, the top of base plate 1 is fixedly installed with two base blocks 2, and each base block 2 is rotatably installed with U-shaped base column 3, so that U-shaped base column 3 can be folded in later stage, the carrying and storage of connecting piece are facilitated, U-shaped base column 3 includes U-shaped column body 31 and side plate 32, one side of U-shaped column body 31 is movably installed with two side plates 32, and the two side plates 32 are fixedly provided with shaft rod 38, one end of base block 2 is provided with shaft hole, shaft rod 38 is rotatably located in shaft hole, the stable connection between U-shaped base column 3 and base block 2 is ensured, the inside of side plate 32 is provided with inner sliding groove 34, both ends of U-shaped column body 31 are fixedly welded with inner sliding rod 33, and inner sliding rod 33 is slidably located in inner sliding groove 34, one side of inner sliding rod 33 is fixedly provided with side sliding block 35, one side surface of side plate 32 is provided with side sliding groove 36 corresponding to side sliding block 35, inner sliding rod 33 also slides with side sliding block 35 in side sliding groove 36 when sliding, one end of side sliding block 35 extends to the outside of side plate 32 through side sliding groove 36, U-shaped base column 3 further includes limiting structure 37, the stable limiting of inner sliding rod 33 is realized, the length adjustment of U-shaped base column 3 is facilitated, limiting structure 37 includes pressing groove 371 provided in the inside of side sliding block 35, pressing block 372 is movably installed in pressing groove 371 through spring A 373, one side of pressing block 372 is fixedly welded with push rod 374, the other side surface of side plate 32 is provided with sliding rod groove 375 corresponding to push rod 374, for the sliding of push rod 374, one end of push rod 374 penetrates into sliding rod groove 375 and is fixedly provided with strip-shaped clamping plate 376, a plurality of side clamping grooves 377 corresponding to strip-shaped clamping plate 376 are uniformly provided in the inner walls of both sides of sliding rod groove 375, both ends of strip-shaped clamping plate 376 are respectively clamped in two side clamping grooves 377, the stable limiting of inner sliding rod 33 is realized, when the length of U-shaped base column 3 needs to be adjusted subsequently, only pressing block 372 needs to be pressed, so that spring A 373 is compressed, and both ends of strip-shaped clamping plate 376 move out of side clamping groove 377, the limiting of inner sliding rod 33 is released, at this time, inner sliding rod 33 can be slid to adjust, the overall length of U-shaped base column 3 is changed, pressing block 372 is released again subsequently, so that spring A 373 pushes back pressing block 372, and strip-shaped clamping plate 376 is clamped into side clamping groove 377 again, inner sliding rod 33 is limited again, the stable limiting after the length adjustment of U-shaped base column 3 is realized.

[0019] Wherein, sliding rod groove 375 communicates with inner sliding groove 34, and side clamping groove 377 communicates with the side surface of side plate 32, a through hole corresponding to the surface of inner sliding rod 33 is provided in the inner wall of pressing groove 371, and the through hole corresponds to push rod 374, for the smooth penetration of push rod 374.

[0020] The surface of the U-shaped column 31 is provided with bolt holes, which are circular, for connecting the U-shaped column 31 with a tent support rod in the future, and four reserved holes are formed in the base plate 1, which are located at the four corners of the base plate 1, for connecting and fixing the base plate 1 with an external base in the future.

[0021] Embodiment 2

[0022] Please refer to Figures 1 to 5 For the second embodiment of the application, which is based on the previous embodiment, the difference is that the U-shaped base column 3 can be stably limited after rotating and unfolding or rotating and folding by designing the limiting plug rod 23 and the rectangular pull block 22, thereby improving the stability of the connecting piece as a whole.

[0023] Specifically, the surface of the base block 2 is provided with a rectangular groove 21, and the rectangular groove 21 is provided with a rectangular pull block 22, one side of the rectangular pull block 22 is welded and fixed with a limiting plug rod 23, and the inner wall of the rectangular groove 21 is provided with a rod hole 24 communicating with the shaft hole, the shaft rod 38 is provided with a plug hole corresponding to the limiting plug rod 23, one end of the limiting plug rod 23 penetrates into the plug hole, which can realize the stable limiting of the shaft rod 38, so as to achieve the purpose of limiting the U-shaped base column 3, and in the later stage, only the rectangular pull block 22 needs to be pulled to make the end of the limiting plug rod 23 move out of the plug hole, so as to release the limiting of the shaft rod 38 and realize the rotating and folding operation of the U-shaped base column 3, a rebound structure 25 is arranged between the rod hole 24 and the limiting plug rod 23, the rebound structure 25 includes an inner rod 251 fixed in the rod hole 24, the surface of the limiting plug rod 23 is provided with a rectangular notch 252 corresponding to the inner rod 251, the inner rod 251 penetrates through the limiting plug rod 23 through the rectangular notch 252, a spring B 253 is installed in the rectangular notch 252, and one end of the spring B 253 is fixed on the inner rod 251, when the limiting plug rod 23 slides, the inner rod 251 also slides in the rectangular notch 252 and compresses the spring B 253, so that when the operator releases the rectangular pull block 22 in the subsequent operation, the spring B 253 will push the limiting plug rod 23 back to the original position.

[0024] Although the embodiments of the application have been shown and described in detail (see the detailed description above), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the application, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. A central connector for a folding tent frame, which is easy to adjust, comprising a base plate (1), characterized in that: The top of the substrate (1) is provided with two base blocks (2), and each base block (2) is rotatably provided with a U-shaped base column (3), the U-shaped base column (3) comprises a U-shaped column body (31) and a side plate (32), one side of the U-shaped column body (31) is movably provided with two side plates (32), and the two side plates (32) are fixedly provided with a shaft rod (38) between them, one end of the base block (2) is provided with a shaft hole, the shaft rod (38) is rotatably arranged in the shaft hole, the inside of the side plate (32) is provided with an inner sliding groove (34), both ends of the U-shaped column body (31) are fixedly provided with an inner sliding rod (33), and the inner sliding rod (33) is slidably arranged in the inner sliding groove (34), one side of the inner sliding rod (33) is fixedly provided with a side sliding block (35), one side surface of the side plate (32) is provided with a side sliding groove (36), one end of the side sliding block (35) extends to the outside of the side plate (32) through the side sliding groove (36), the U-shaped base column (3) further comprises a limiting structure (37), the limiting structure (37) comprises a pressing groove (371) arranged in the inside of the side sliding block (35), a pressing block (372) is movably arranged in the pressing groove (371) through a spring A (373), one side of the pressing block (372) is fixedly provided with a push rod (374), the other side surface of the side plate (32) is provided with a sliding rod groove (375), one end of the push rod (374) penetrates into the sliding rod groove (375) and is fixedly provided with a strip-shaped clamping plate (376), a plurality of side clamping grooves (377) are uniformly arranged on the inner walls of the two sides of the sliding rod groove (375), and the two ends of the strip-shaped clamping plate (376) are clamped in the two side clamping grooves (377) respectively, the surface of the base block (2) is provided with a rectangular groove (21), and a rectangular pulling block (22) is arranged in the rectangular groove (21), one side of the rectangular pulling block (22) is fixedly provided with a limiting insertion rod (23), and the inner wall of the rectangular groove (21) is provided with a rod hole (24) which is communicated with the shaft hole, an insertion hole is arranged on the shaft rod (38), one end of the limiting insertion rod (23) penetrates into the insertion hole, a rebound structure (25) is arranged between the rod hole (24) and the limiting insertion rod (23), the rebound structure (25) comprises an inner rod (251) fixedly arranged in the rod hole (24), a rectangular notch (252) corresponding to the inner rod (251) is arranged on the surface of the limiting insertion rod (23), the inner rod (251) penetrates through the limiting insertion rod (23) through the rectangular notch (252), and a spring B (253) is arranged in the rectangular notch (252) and one end of the spring B (253) is fixedly arranged on the inner rod (251).

2. A central connector for a foldable tent frame according to claim 1, wherein: The sliding rod groove (375) is communicated with the inner sliding groove (34), and the side clamping groove (377) is communicated with the side surface of the side plate (32).

3. The central connector for a foldable tent frame of claim 1, wherein: A through hole is arranged on the inner wall of the pressing groove (371) and communicated with the surface of the inner sliding rod (33), and the through hole corresponds to the push rod (374).

4. The central connector of claim 1, wherein: A bolt hole is arranged on the surface of the U-shaped column body (31) and is circular.

5. The central connector of claim 1, wherein: Four reserved holes are formed on the substrate (1), and the four reserved holes are respectively located at four corners of the substrate (1).

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