An adjustable-stretch trampoline

Abstract

This utility model discloses an adjustable trampoline, including a main frame, a mesh fabric, and pull ropes. The mesh fabric is connected to the outer frame of the main frame via the pull ropes. The outer frame is circular and is composed of several frame tubes connected end to end. Adjacent frame tubes are connected by a connecting shaft, with each end of the connecting shaft movably connected to an adjacent frame tube. A connector is fitted onto the outside of each frame tube connection. This utility model uses the connecting shaft to movably connect the frame tubes. When the length of the outer frame needs to be adjusted, the connector is first loosened, and a tool is inserted into the adjusting through hole of the connecting shaft to adjust the spacing between adjacent frame tubes, thereby increasing or decreasing the outer diameter of the outer frame. This allows for adjusting the tightness or looseness of the mesh fabric, accommodating users of different weights and achieving optimal performance. It is highly practical.

Description

Technical Field

[0001] This utility model relates to the field of sports and fitness equipment technology, specifically to an adjustable trampoline. Background Technology

[0002] Trampoline is a competitive sport that utilizes the rebound of a net to perform acrobatic skills in the air. It consists of a frame, net, and ropes. Traditional trampolines are manufactured with pre-determined dimensions and other parameters for each component. Once assembled, the tightness of the net cannot be adjusted, making it unsuitable for users of different weights or preventing it from reaching its optimal performance. Furthermore, because the net and ropes are made of elastic materials, they fatigue after a period of use, causing the net to lose tension and elasticity, thus affecting normal use.

[0003] There is currently no effective solution to the above problems. Utility Model Content

[0004] In view of the above-mentioned technical problems in related technologies, this utility model proposes an adjustable tightness trampoline, which can overcome the above-mentioned shortcomings of the prior art.

[0005] To achieve the above-mentioned technical objectives, the technical solution of this utility model is implemented as follows: An adjustable trampoline includes a main frame, a mesh fabric, and pull ropes. The mesh fabric is connected to the outer frame of the main frame via pull ropes. The outer frame is circular and is composed of several frame tubes connected end to end. Adjacent frame tubes are connected by connecting shafts. The two ends of the connecting shafts are movably connected to the adjacent frame tubes, and connectors are sleeved on the outside of the connection points of the frame tubes.

[0006] Furthermore, one end of the connecting shaft is provided with a shaft head, the other end of the connecting shaft is provided with an external thread, and the middle part of the connecting shaft is provided with an adjustment through hole.

[0007] Furthermore, one end of the frame tube is provided with a bushing, and the other end of the frame tube is provided with an internal thread. The end of the frame tube with the bushing is movably connected to the shaft head, and the end of the frame tube with the internal thread is movably connected to the external thread.

[0008] Furthermore, the shaft head matches the bushing of the frame tube, and the external thread matches the internal thread.

[0009] Furthermore, the circumference of the mesh fabric is provided with a plurality of evenly spaced E-shaped connecting buckles, and the end of the E-shaped connecting buckle away from the mesh fabric is provided with an arc-shaped groove.

[0010] Furthermore, the pull rope has a double V-shaped structure in use, with the ends of the pull rope all sleeved on the frame tube, and the middle part of the pull rope being engaged with the arc-shaped groove.

[0011] Furthermore, the arc-shaped slot consists of two parts, one above the other.

[0012] Furthermore, the upper front and rear ends of the connector are provided with through holes that communicate with the adjustment through holes, and the lower front and rear ends of the connector are provided with mounting holes. The mounting holes are used to fasten the lower front and rear ends of the connector with connecting bolts.

[0013] The beneficial effects of this utility model are as follows: This utility model uses a connecting shaft to movably connect with the frame tube. When it is necessary to connect the length of the outer frame, first loosen the connecting head, insert the tool into the adjusting through hole of the connecting shaft to adjust the spacing between adjacent frame tubes to increase or decrease the outer diameter of the outer frame, thereby achieving the function of tightening or loosening the mesh, meeting the needs of people of different weights, and thus achieving the best use state. It is very practical. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the adjustable tension trampoline according to an embodiment of the present invention; Figure 2 This is an adjustable-tension trampoline according to an embodiment of the present invention. Figure 1 Enlarged view of a portion at point A; Figure 3 This is an adjustable-tension trampoline according to an embodiment of the present invention. Figure 2 BB cross-sectional view; Figure 4 This is an adjustable-tension trampoline according to an embodiment of the present invention. Figure 2 Explosion diagram at point A; In the diagram: 1. Main frame; 2. Mesh fabric; 3. Pull rope; 4. Frame tube one; 5. Frame tube two; 6. Connector; 7. Through hole; 8. Mounting hole; 9. Connecting bolt; 10. Bushing; 11. Connecting shaft; 12. Shaft head; 13. External thread; 14. Adjustment through hole; 15. Internal thread; 16. E-shaped connecting buckle; 17. Arc-shaped groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0017] like Figure 1-4 As shown, an adjustable trampoline according to an embodiment of the present invention includes a main frame 1, a mesh 2, and a pull rope 3. The mesh 2 is connected to the outer frame of the main frame 1 via the pull rope 3. The outer frame is circular and is composed of several frame tubes connected end to end. Adjacent frame tubes are connected by a connecting shaft 11. The two ends of the connecting shaft 11 are movably connected to the adjacent frame tubes, and a connector 6 is sleeved on the outside of the connection point of the frame tubes.

[0018] In this embodiment, one end of the connecting shaft 11 is provided with a shaft head 12, and the other end of the connecting shaft 11 is provided with an external thread 13. An adjustment through hole 14 is provided in the middle of the connecting shaft 11. One end of the frame tube is provided with a bushing 10, and the other end of the frame tube is provided with an internal thread 15. The end of the frame tube with the bushing 10 is movably connected to the shaft head 12, and the end of the frame tube with the internal thread 15 is movably connected to the external thread 13. The shaft head 12 matches the bushing 10 of the frame tube, and the external thread 13 matches the internal thread 15.

[0019] In this embodiment, the circumference of the mesh fabric 2 is provided with a plurality of evenly spaced E-shaped connecting buckles 16, and the end of the E-shaped connecting buckle 16 away from the mesh fabric 2 is provided with an arc-shaped slot 17.

[0020] In this embodiment, the pull rope 3 has a double V-shaped structure in use, with each end of the pull rope 3 sleeved on the frame tube, and the middle part of the pull rope 3 engaged with the arc-shaped groove 17. There are two arc-shaped grooves 17, one upper and one lower.

[0021] In this embodiment, the upper front and rear ends of the connector 6 are provided with through holes 7 that communicate with the adjustment through hole 14, and the lower front and rear ends of the connector 6 are provided with mounting holes 8. The mounting holes 8 are used to fasten the lower front and rear ends of the connector 6 with connecting bolts 9.

[0022] To facilitate understanding of the above-mentioned technical solutions of this utility model, the following detailed description of the above-mentioned technical solutions of this utility model is provided through specific usage methods.

[0023] In practical use, the adjustable trampoline according to this utility model includes a main frame 1, a mesh fabric 2, and a pull rope 3.

[0024] The outer frame of the main frame 1 is composed of several frame tubes 4 and frame tubes 5, which are connected by a connecting shaft 11 to form a circle, and then fixed with a connector 6.

[0025] The inner side of one end of the frame tube 4 is provided with an internal thread 15.

[0026] A bushing 10 is provided on the inner side of one end of the frame tube 2 5.

[0027] The connecting shaft 11 has a shaft head 12 at one end, an external thread 13 at the other end, and an adjustment through hole 14 in the middle.

[0028] The connector 6 has a through hole 7 at its upper end and a mounting hole 8 at its bottom. A connecting bolt 9 is installed in the mounting hole 8.

[0029] The mesh fabric is provided with several E-shaped connecting buckles 16. Each E-shaped connecting buckle 16 is provided with an arc-shaped slot 17.

[0030] The pull rope 3 is wound into a double V shape in use, with its two ends respectively fitted onto frame tube 4 and frame tube 5, and its bottom respectively fitted onto the arc-shaped slot 17 of the E-shaped connecting buckle.

[0031] The shaft head 12 of the connecting shaft 11 is matched with the bushing 10 of the frame tube 5. The shaft head 12 can rotate within the bushing 10, and the bushing 10 serves a wear-resistant function.

[0032] The external thread 13 of the connecting shaft 11 matches the internal thread 15 of the frame tube 4.

[0033] The through hole 7 of the connector 6 is positioned similarly to the adjustment through hole 14 of the connecting shaft 11. When combined, the two will form a through connection, allowing the operating tool to pass through.

[0034] Working principle: To adjust the tension of the mesh fabric, loosen the connecting bolt 9 of connector 6 partially. At this point, connector 6 is loosened from frame tube 4 and frame tube 5 (for ease of operation, it is not necessary to remove the connector). Then, use a screwdriver or other tool to rotate the connecting shaft 11 through the adjusting hole 14, thereby increasing the distance between frame tube 4 and frame tube 5, increasing the outer diameter of the entire outer frame, and achieving the effect of tightening the mesh fabric. To loosen the mesh fabric 2, reverse the above operation by rotating the connecting shaft 11.

[0035] In summary, by means of the above-mentioned technical solution of this utility model, the connecting shaft and the frame tube are movably connected. When it is necessary to connect the length of the outer frame, first loosen the connecting head, insert the tool into the adjustment through hole of the connecting shaft to adjust the spacing between adjacent frame tubes to increase or decrease the outer diameter of the outer frame, thereby achieving the function of tightening or loosening the mesh, meeting the needs of people of different weights, and thus achieving the best use state, which is very practical.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable tightness trampoline, comprising a main frame (1), a net cloth (2) and a pull rope (3), the net cloth (2) is connected with the outer frame of the main frame (1) through the pull rope (3), characterized in that, The outer frame is circular and is made up of several frame tubes connected end to end. Adjacent frame tubes are connected by a connecting shaft (11). The two ends of the connecting shaft (11) are movably connected to the adjacent frame tubes respectively. A connector (6) is sleeved on the outside of the frame tube connection.

2. The adjustable tension trampoline of claim 1, wherein, One end of the connecting shaft (11) is provided with a shaft head (12), the other end of the connecting shaft (11) is provided with an external thread (13), and the middle part of the connecting shaft (11) is provided with an adjustment through hole (14).

3. The adjustable tension trampoline of claim 2, wherein, One end of the frame tube is provided with a bushing (10), and the other end of the frame tube is provided with an internal thread (15). The end of the frame tube with the bushing (10) is movably connected to the shaft head (12), and the end of the frame tube with the internal thread (15) is movably connected to the external thread (13).

4. The adjustable tightness trampoline of claim 3, wherein, The shaft head (12) is matched with the bushing (10) of the frame tube, and the external thread (13) is matched with the internal thread (15).

5. The adjustable tightness trampoline of claim 1, wherein, The mesh fabric (2) has several evenly spaced E-shaped connecting buckles (16) on its circumference, and the end of the E-shaped connecting buckle (16) away from the mesh fabric (2) has an arc-shaped groove (17).

6. The adjustable tension trampoline of claim 5, wherein, The pull rope (3) has a double V-shaped structure in use. The ends of the pull rope (3) are all sleeved on the frame tube, and the middle part of the pull rope (3) is engaged in the arc-shaped groove (17).

7. The adjustable tension trampoline according to claim 5, characterized in that, The arc-shaped slot (17) consists of two parts, one on the top and one on the bottom.

8. The adjustable tension trampoline of any one of claims 2-4, wherein, The upper front and rear ends of the connector (6) are provided with through holes (7) that communicate with the adjustment through hole (14), and the lower front and rear ends of the connector (6) are provided with mounting holes (8). The mounting holes (8) are used to fasten the lower front and rear ends of the connector (6) with connecting bolts (9).

Images