Trampoline with height-adjustable structure

Abstract

The utility model discloses a trampoline with a height-adjustable structure, which comprises a trampoline main body frame, and first supporting legs are respectively and vertically fixed on two sides and two ends of the bottom of the trampoline main body frame. When the trampoline with the height-adjustable structure is used, the upper locking rings arranged at the top ends of the six sets of fixing rings on the outer side of the trampoline body frame can be rotated upwards in the supporting columns, meanwhile, the lower locking rings are rotated downwards outside the supporting columns, and then the supporting columns can be unlocked in the fixing rings; then, each group of supporting columns can be lifted up in the fixing ring, the top end of the lower locking ring can abut against the bottom end of the fixing ring, then the upper locking ring is screwed down outside the supporting columns and abuts against the top end of the fixing ring, and then the fence protection height of the protective net between the supporting columns can be increased for use; the problem that the protection height of a fence of an enclosure assembly on a trampoline is inconvenient to adjust is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of trampolines, in particular to a trampoline with a height-adjustable structure. Background Art

[0002] A trampoline is a bed-like amusement and training equipment with a bouncing surface made of elastic material for adults and children to jump and entertain. It can be divided into some large adult trampolines and small children's trampolines according to age, and is widely popular.

[0003] However, in actual use of the trampoline, the position of the enclosure components arranged on the trampoline is generally fixed, and the fence protection effect is poor when some taller or shorter children play, which is insufficient and it is not convenient to adjust the fence protection height of the enclosure components on the trampoline.

[0004] Now, a novel trampoline with a height adjustable structure is proposed to solve the above-mentioned disadvantages. Utility Model Content

[0005] The utility model aims to provide a trampoline with a height-adjustable structure to solve the problem in the background art that it is inconvenient to adjust the height of the fence protection of the enclosure assembly on the trampoline.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trampoline with a height-adjustable structure, comprising a trampoline main frame, first support legs are vertically fixed on both sides and both ends of the bottom of the trampoline main frame, and six groups of first support legs are arranged in a circular shape with equal intervals at the bottom end of the trampoline main frame, fixing rings are welded and fixed at the middle position of both ends of the trampoline main frame and at both ends of both sides, a pillar is vertically inserted into the inside of the fixing ring, and a sleeve is sleeved on the outside of the pillar, a protective net is fixed between the sleeves, locking bolts are respectively provided at the top and bottom of the front end of the sleeve, screw holes are respectively penetrated at the top and bottom of the front end of the sleeve, a covering tarpaulin is provided at the top of the pillar, an upper locking ring is provided at the top of the fixing ring, a lower locking ring is provided at the bottom end of the fixing ring, and an elastic jumping cloth is fixed to the inner side of the trampoline main frame.

[0007] Preferably, the bottom end of the pillar passes through the interior of the upper locking ring and the lower locking ring respectively, the bottom end of the exterior of the pillar is provided with an external thread, and the interior of the upper locking ring and the lower locking ring are respectively provided with an internal thread matching the external thread.

[0008] Preferably, six groups of the protective net pillars and the fixing rings are arranged in a circular shape at equal intervals on the outer side of the trampoline main frame.

[0009] Preferably, an elastic band is fixed to the bottom end of the covering tarpaulin, a locking hook is fixed to the bottom end of the elastic band, and a hanging ring is fixed to the top of the front end of the pillar.

[0010] Preferably, the elastic bands and the locking hooks are respectively arranged in six groups at equal intervals in a ring shape at the bottom end of the covering tarpaulin.

[0011] Preferably, connecting frames are welded and fixed at the middle position of both sides of the trampoline main frame and on both sides of both ends, a support rod is provided at the front end of the connecting frame, a fixing bolt is provided at the top of the connecting frame, a locking ring is provided at the bottom end of the connecting frame, a threaded hole is penetrated at the front end of the top of the support rod, and a second supporting leg is vertically penetrated inside the threaded hole, and a support plate is movably connected to the bottom end of the second supporting leg.

[0012] Preferably, the bottom ends of the fixing bolts penetrate through the interior of the connecting frame and the support rod respectively, and the rear end of the support rod is hinged to the interior of the connecting frame through the fixing bolts.

[0013] Preferably, the support rods, the second supporting legs, the support plates and the connecting frames are respectively arranged in six groups in a circular manner with equal intervals, and the exterior of the second supporting legs is provided with external threads.

[0014] Compared with the prior art, the utility model has the beneficial effects that: the trampoline with a height-adjustable structure not only facilitates the adjustment of the fence protection height of the enclosure assembly on the trampoline, facilitates the rain and sun protection of the top of the trampoline, but also facilitates the auxiliary support and fixation of the trampoline;

[0015] (1) By providing a trampoline main frame, a sleeve, a pillar, a first supporting leg, a protective net, a locking bolt, an upper locking ring and a lower locking ring, when the trampoline is in use, the upper locking rings provided at the top ends of the six groups of fixing rings outside the trampoline main frame can be respectively rotated upward inside the pillars, and the pillars can be unlocked inside the fixing rings by rotating the lower locking rings downward outside the pillars. After that, each group of pillars can be respectively lifted up inside the fixing rings so that the top ends of the lower locking rings can abut against the bottom ends of the fixing rings. Then, the upper locking rings can be rotated downward outside the pillars and abut against the top ends of the fixing rings. Then, the fence protection height of the protective net between the pillars can be adjusted to be higher, so that the fence protection height of the enclosure assembly on the trampoline can be adjusted according to the heights of the people playing.

[0016] (2) By providing a trampoline main frame, pillars, a tarpaulin, elastic bands, locking hooks and hanging rings, when the trampoline is in use, the six sets of locking hooks fixed at the bottom of the tarpaulin can be respectively hung into the hanging rings at the top of the front end of the pillars, and the tarpaulin can be fixed on the top of the trampoline. The tarpaulin can be used to provide auxiliary covering for the top of the trampoline to protect it from rain and sun.

[0017] (3) By providing a trampoline main frame, a first support leg, a connecting frame, a locking ring, a fixing bolt, a support rod, a threaded hole, a second support leg and a support plate, when the trampoline is installed and used, the support rods provided on both sides and both ends of the trampoline main frame can be pulled outward by utilizing the hinge between the support rods and the inside of the connecting frame, and then the locking ring can be tightened on the outside of the fixing bolt to auxiliary fix the position of the support rods. After that, the second support legs can be rotated in the threaded holes inside the top ends of the six groups of support rods respectively, driving the support plate to move downward so that the support plate can be against the ground. By providing the six groups of support rods, the second support legs and the support plate, the bottom of the trampoline can be further supported, the supporting contact position between the bottom of the trampoline and the ground is increased, the tipping of the trampoline during use is reduced and prevented, and the stability of the trampoline during play is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a front view enlarged structural diagram of the upper locking ring of the utility model;

[0020] Figure 3 It is a schematic diagram of the enlarged structure of the support rod of the utility model from top view;

[0021] Figure 4 For this utility model Figure 1 A in the figure is an enlarged structural diagram.

[0022] In the figure: 1. first supporting leg; 2. trampoline main frame; 3. casing; 4. protective net; 5. pillar; 6. covering tarpaulin; 7. locking bolt; 8. fixing ring; 9. support rod; 10. threaded hole; 11. second supporting leg; 12. support plate; 13. connecting frame; 14. locking ring; 15. fixing bolt; 16. upper locking ring; 17. lower locking ring; 18. elastic trampoline; 19. elastic band; 20. locking hook; 21. hanging ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 , a trampoline with a height-adjustable structure, comprising a trampoline main frame 2, first supporting legs 1 are vertically fixed on both sides and both ends of the bottom of the trampoline main frame 2, and six groups of first supporting legs 1 are arranged in a circular manner at equal intervals at the bottom end of the trampoline main frame 2, and fixing rings 8 are welded and fixed at the middle positions of both ends of the trampoline main frame 2 and at both ends of both sides, and pillars 5 are vertically inserted into the interior of the fixing rings 8, and sleeves 3 are sleeved on the outside of the pillars 5, and protective nets 4 are fixed between the sleeves 3, locking bolts 7 are respectively arranged at the top and bottom of the front end of the sleeves 3, and screw holes are respectively penetrated at the top and bottom of the front end of the sleeves 3, a covering tarpaulin 6 is arranged at the top of the pillars 5, an upper locking ring 16 is arranged at the top of the fixing ring 8, and a lower locking ring 17 is arranged at the bottom of the fixing ring 8, and an elastic jumping cloth 18 is fixed to the inside of the trampoline main frame 2;

[0025] The bottom ends of the pillars 5 respectively penetrate the interior of the upper locking ring 16 and the lower locking ring 17, the bottom ends of the outer parts of the pillars 5 are provided with external threads, the interiors of the upper locking ring 16 and the lower locking ring 17 are respectively provided with internal threads matching the external threads, and the pillars 5 of the protective net 4 and the fixing rings 8 are respectively provided with six groups of equal intervals in a ring outside the main frame 2 of the trampoline;

[0026] Specifically, Figure 1-Figure 3 As shown, the upper locking ring 16 arranged at the top end of the six groups of fixing rings 8 outside the trampoline main frame 2 can be rotated upward inside the pillar 5, and the lower locking ring 17 can be rotated downward outside the pillar 5 to unlock the pillar 5 inside the fixing ring 8. After that, each group of pillars 5 can be lifted up inside the fixing ring 8 so that the top end of the lower locking ring 17 can abut against the bottom end of the fixing ring 8. Then, the upper locking ring 16 can be rotated downward outside the pillar 5 and abut against the top end of the fixing ring 8, and then the fence protection height of the protective net 4 between the pillars 5 can be adjusted.

[0027] Embodiment 2: An elastic band 19 is fixed to the bottom end of the covering tarpaulin 6, and a locking hook 20 is fixed to the bottom end of the elastic band 19, a hanging ring 21 is fixed to the top of the front end of the support 5, and six groups of elastic bands 19 and locking hooks 20 are respectively arranged at equal intervals in a ring at the bottom end of the covering tarpaulin 6;

[0028] Specifically, Figure 1 and Figure 3As shown, the six sets of locking hooks 20 fixed at the bottom end of the covering tarpaulin 6 can be respectively hung into the hanging rings 21 at the top of the front end of the pillar 5, and then the covering tarpaulin 6 can be fixedly installed on the top of the trampoline. The covering tarpaulin 6 can be used to provide auxiliary coverage and protection from rain and sun.

[0029] Embodiment 3: A connecting frame 13 is welded and fixed at the middle position of both sides of the main frame 2 of the trampoline and on both sides of both ends, a support rod 9 is arranged at the front end of the connecting frame 13, a fixing bolt 15 is arranged at the top of the connecting frame 13, a locking ring 14 is arranged at the bottom end of the connecting frame 13, a threaded hole 10 is penetrated at the front end of the top of the support rod 9, and a second supporting leg 11 is vertically penetrated inside the threaded hole 10, and a support plate 12 is movably connected to the bottom end of the second supporting leg 11, the bottom ends of the fixing bolts 15 penetrate the inside of the connecting frame 13 and the support rod 9 respectively, the rear end of the support rod 9 is hinged to the inside of the connecting frame 13 through the fixing bolts 15, the support rod 9, the second supporting leg 11, the support plate 12 and the connecting frame 13 are respectively arranged in six groups with equal spacing in a ring, and the outside of the second supporting leg 11 is provided with an external thread;

[0030] Specifically, Figure 1 and Figure 4 As shown, the support rods 9 provided on both sides and both ends of the trampoline main frame 2 can be pulled outward by means of the hinge between the support rods 9 and the inside of the connecting frame 13, and then the locking ring 14 can be tightened on the outside of the fixing bolt 15 to auxiliary fix the position of the support rods 9. After that, the second supporting legs 11 can be rotated in the threaded holes 10 inside the top ends of the six groups of support rods 9 respectively, so as to drive the support plate 12 to move downward so that the support plate 12 can be against the ground. By providing the six groups of support rods 9, the second supporting legs 11 and the support plate 12, the bottom of the trampoline can be further supported, the supporting contact position between the bottom of the trampoline and the ground is increased, and the tipping over of the trampoline during use is reduced and prevented.

[0031] Working principle: When the utility model is installed and used, the support rods 9 provided on both sides and both ends of the trampoline main frame 2 can be pulled outward by utilizing the hinge between the support rods 9 and the inside of the connecting frame 13, and then the locking ring 14 can be tightened on the outside of the fixing bolt 15 to auxiliary fix the position of the support rods 9, and then the second supporting legs 11 can be rotated in the threaded holes 10 inside the top ends of the six groups of support rods 9 respectively, so as to drive the support plate 12 to move downward so that the support plate 12 can be against the ground, and the bottom of the trampoline can be further supported by the six groups of support rods 9, the second supporting legs 11 and the support plate 12, so as to increase the supporting contact position between the bottom of the trampoline and the ground, and reduce and prevent the trampoline from tipping over during use, and when the trampoline is in use, the upper locking rings 16 provided on the top ends of the six groups of fixing rings 8 outside the trampoline main frame 2 can be respectively locked on the pillars 5 is rotated upward, and the lower locking ring 17 is rotated downward on the outside of the pillar 5 to unlock the pillar 5 inside the fixing ring 8. After that, each group of pillars 5 can be lifted up inside the fixing ring 8 respectively, so that the top of the lower locking ring 17 can be against the bottom end of the fixing ring 8, and then the upper locking ring 16 is rotated downward on the outside of the pillar 5 and against the top of the fixing ring 8, the fence protection height of the protection net 4 between the pillars 5 can be adjusted for use. At the same time, when the trampoline is in use, the six groups of locking hooks 20 fixed at the bottom end of the covering tarpaulin 6 set at the top of the pillar 5 are respectively hung into the hanging rings 21 at the top of the front end of the pillar 5, and the covering tarpaulin 6 can be fixedly installed on the top of the trampoline. The covering tarpaulin 6 can be used to provide auxiliary covering, rain protection and sun protection for the top of the trampoline.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A trampoline with a height-adjustable structure, comprising a trampoline main frame (2), characterized in that: First supporting legs (1) are vertically fixed to both sides and both ends of the bottom of the trampoline main frame (2), and six groups of first supporting legs (1) are arranged in a circular manner at equal intervals at the bottom end of the trampoline main frame (2). Fixed rings (8) are welded and fixed at the middle positions of both ends of the trampoline main frame (2) and at both ends of both sides. A pillar (5) is vertically inserted into the interior of the fixed ring (8), and a sleeve (3) is sleeved on the exterior of the pillar (5). A protective net (4) is fixed between the sleeves (3). Locking bolts (7) are respectively arranged at the top and bottom of the front end of the sleeve (3), and screw holes are respectively penetrated at the top and bottom of the front end of the sleeve (3). A covering tarpaulin (6) is arranged at the top of the pillar (5), an upper locking ring (16) is arranged at the top of the fixed ring (8), and a lower locking ring (17) is arranged at the bottom of the fixed ring (8). An elastic jumping cloth (18) is fixed to the inner side of the trampoline main frame (2).

2. A trampoline with a height adjustable structure according to claim 1, characterized in that: The bottom end of the pillar (5) passes through the interior of the upper locking ring (16) and the lower locking ring (17), respectively. The bottom end of the outside of the pillar (5) is provided with an external thread, and the interior of the upper locking ring (16) and the lower locking ring (17) are respectively provided with an internal thread matching the external thread.

3. The trampoline with a height adjustable structure according to claim 1, characterized in that: The protective net (4), pillars (5) and fixing rings (8) are respectively arranged in six groups at equal intervals in a circular shape on the outer side of the trampoline main frame (2).

4. The trampoline with a height adjustable structure according to claim 1, characterized in that: An elastic band (19) is fixed to the bottom end of the covering tarpaulin (6), and a lockable hook (20) is fixed to the bottom end of the elastic band (19), and a hanging ring (21) is fixed to the top of the front end of the support (5).

5. The trampoline with a height adjustable structure according to claim 4, characterized in that: The elastic bands (19) and the locking hooks (20) are respectively arranged in six groups at equal intervals in a ring shape at the bottom end of the covering tarpaulin (6).

6. The trampoline with a height adjustable structure according to claim 1, characterized in that: A connecting frame (13) is welded and fixed at the middle position of both sides of the trampoline main frame (2) and at both sides of both ends, a support rod (9) is arranged at the front end of the connecting frame (13), a fixing bolt (15) is arranged at the top end of the connecting frame (13), a locking ring (14) is arranged at the bottom end of the connecting frame (13), a threaded hole (10) is penetrated at the front end of the top of the support rod (9), and a second supporting leg (11) is vertically penetrated inside the threaded hole (10), and a support plate (12) is movably connected to the bottom end of the second supporting leg (11).

7. The trampoline with a height adjustable structure according to claim 6, characterized in that: The bottom ends of the fixing bolts (15) respectively penetrate the interior of the connecting frame (13) and the support rod (9), and the rear end of the support rod (9) is hinged to the interior of the connecting frame (13) via the fixing bolts (15).

8. The trampoline with a height adjustable structure according to claim 6, characterized in that: The support rod (9), the second supporting leg (11), the support plate (12) and the connecting frame (13) are respectively arranged in six groups in an annular manner at equal intervals, and the exterior of the second supporting leg (11) is provided with an external thread.

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