Adjustable trampoline roller

Abstract

The utility model discloses an adjustable trampoline roller which comprises a trampoline connecting unit, an adjusting unit is fixedly installed at the bottom of the trampoline connecting unit, and a roller protection device is fixedly installed at the bottom of the adjusting unit. According to the rolling wheel protection device, the telescopic cylinder and the first elastic piece can buffer and protect the moving rolling wheel from bumping, the buffering assembly can further protect the rolling wheel, and the first elastic piece and the second elastic piece are different in installation direction; according to the trampoline, the rolling wheels are arranged in the vertical direction and the transverse direction, then buffering protection can be conducted on the rolling wheels in the vertical direction and the transverse direction, the transportation stabilizing effect of the folding trampoline is improved, the adjusting unit is installed, the folded trampoline moves on the ground through the installed rolling wheels, the length of the rolling wheels can be adjusted according to the thickness of the folded trampoline, and in addition, when the trampoline is unfolded, through an L-shaped plate and an L-shaped groove, the trampoline is unfolded. The rolling wheels are prevented from affecting normal use of the trampoline, and follow-up installation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of trampoline rollers, in particular to an adjustable trampoline roller. Background Art

[0002] Trampoline is a competitive sport in which athletes use the rebound of a trampoline to perform acrobatic skills in the air. It is a type of gymnastics and is also a piece of equipment designed for competitive or professional purposes. Today, trampolines also appear in various amusement parks to attract consumers for entertainment.

[0003] The trampoline is large in size and difficult to transport after being folded. The existing trampoline needs to be moved by a cart after being folded and stored, which is difficult to operate, time-consuming and laborious. Other trampolines are equipped with rollers on the bottom side, and are moved by the built-in rollers after being folded and stored. Due to the uneven road surface during the movement, the trampoline is bumpy, thereby affecting the stability of the trampoline. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable trampoline roller to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an adjustable trampoline roller, comprising a trampoline connecting unit, an adjusting unit fixedly installed at the bottom of the trampoline connecting unit, and a roller protection device fixedly installed at the bottom of the adjusting unit.

[0006] The roller protection device comprises a roller assembly, the roller assembly is fixedly mounted on the bottom side of the adjustment unit, and a buffer assembly is mounted inside the roller assembly.

[0007] As a further preferred embodiment of the present technical solution, the trampoline connection unit includes a connecting plate, the top side of the connecting plate is welded to the bottom side of the trampoline, L-shaped plates are fixedly connected on both sides of the bottom of the connecting plate, a mounting plate is provided at the bottom of the connecting plate, an L-shaped groove is opened on the top side of the mounting plate, and the outer wall of the L-shaped plate and the inner wall of the L-shaped groove are both slidably connected.

[0008] In the above technical solution, when the trampoline is unfolded, the rollers are removed from the trampoline through the L-shaped plate and the L-shaped groove, so as to prevent the rollers from affecting the normal use of the trampoline.

[0009] As a further preferred embodiment of the present technical solution, the adjusting unit includes a sleeve rod, the top of the sleeve rod is fixedly connected to the bottom side of the mounting plate, the outer wall of the sleeve rod is slidably connected to a sleeve, the sleeve rod and the outer wall of the sleeve are both provided with threaded grooves, and screws are threadedly connected in the threaded grooves.

[0010] In the above technical solution, the folded trampoline moves on the ground via the installed rollers, and the length of the rollers can be adjusted according to the thickness of the folded trampoline.

[0011] As a further preferred embodiment of the present technical solution, the roller assembly includes a protective cover, the protective cover is fixedly connected to the bottom of the sleeve, the left and right inner walls of the protective cover are provided with sliding grooves, and the interiors of the sliding grooves are slidably connected with sliders.

[0012] As a further preferred embodiment of the present technical solution, a support plate is fixedly connected between the sliding blocks, and a roller is installed at the bottom of the support plate.

[0013] As a further preferred embodiment of the present technical solution, the buffer assembly includes a telescopic cylinder, the telescopic cylinder is fixedly connected to the middle position of the top of the support plate, and an elastic member 1 is sleeved on the outer side of the telescopic cylinder.

[0014] As a further preferred embodiment of the present technical solution, a fixing plate is fixedly connected to the top side of the inner part of the protective cover, sliding rods are fixedly connected between the fixing plates, sliding blocks are slidably connected to the outer walls of the sliding rods, two elastic parts are sleeved on the outer walls of the sliding rods, guide rods are movably connected to the bottom sides of the sliding blocks, and the other ends of the guide rods are hinged on the support plates.

[0015] In the above technical solution, the telescopic cylinder and the elastic member are provided to buffer and protect the moving roller from bumps, and the buffer assembly provided in addition can further protect the roller.

[0016] The utility model provides an adjustable trampoline roller, which has the following beneficial effects:

[0017] (1) The utility model installs a roller protection device, wherein the telescopic cylinder and the elastic member 1 are provided to buffer and protect the bumps on the moving roller. The buffer assembly provided in addition can further protect the roller. The elastic member 1 and the elastic member 2 are installed in different directions, thereby buffering and protecting the roller in the vertical and lateral directions, thereby improving the stability of the foldable trampoline during transportation.

[0018] (2) The utility model installs an adjustment unit so that the folded trampoline can move on the ground through the installed rollers, and the length of the rollers can be adjusted according to the thickness of the folded trampoline. The user only needs to unscrew the screws and adjust the position of the sleeve rod in the sleeve to adjust the trampoline, which is convenient for adjustment. In addition, when the trampoline is unfolded, the rollers can be removed from the trampoline through the L-shaped plate and the L-shaped groove, so that the rollers do not affect the normal use of the trampoline, and the subsequent installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the adjustable trampoline roller of the utility model;

[0020] Figure 2 The utility model is Figure 1Schematic diagram of the structure of the roller protection device;

[0021] Figure 3 The utility model is Figure 1 A magnified view of Figure A;

[0022] Figure 4 The utility model is Figure 2 A magnified view of Figure B;

[0023] In the figure: 1. trampoline connecting unit; 2. adjusting unit; 3. roller guard; 11. connecting plate; 12. L-shaped plate; 13. mounting plate; 14. L-shaped groove; 21. sleeve rod; 22. sleeve; 23. threaded groove; 24. screw; 31. roller assembly; 32. buffer assembly; a1. protective cover; a2. slide groove; a3. slider; a4. support plate; a5. roller; b1. telescopic cylinder; b2. elastic member 1; c1. fixing plate; c2. slide rod; c3. elastic member 2; c4. sliding block; c5. guide rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] The utility model provides a technical solution: Figure 1 and Figure 2 As shown, in the present embodiment, an adjustable trampoline roller comprises a trampoline connecting unit 1, an adjusting unit 2 is fixedly installed at the bottom of the trampoline connecting unit 1, a roller protection device 3 is fixedly installed at the bottom of the adjusting unit 2, the trampoline connecting unit 1 comprises a connecting plate 11, the top side of the connecting plate 11 is welded to the bottom side of the trampoline, L-shaped plates 12 are fixedly connected to both sides of the bottom of the connecting plate 11, a mounting plate 13 is arranged at the bottom of the connecting plate 11, an L-shaped groove 14 is opened on the top side of the mounting plate 13, the outer wall of the L-shaped plate 12 and the inner wall of the L-shaped groove 14 are both slidably connected, when the trampoline is unfolded, the roller a5 is removed from the trampoline through the L-shaped plate 12 and the L-shaped groove 14, so as to prevent the roller a5 from affecting the normal use of the trampoline, and the subsequent installation is convenient.

[0026] As shown Figure 3 As shown, the adjusting unit 2 includes a sleeve rod 21, the top of the sleeve rod 21 is fixedly connected to the bottom side of the mounting plate 13, the outer wall of the sleeve rod 21 is slidably connected with a sleeve 22, the outer walls of the sleeve rod 21 and the sleeve 22 are provided with a threaded groove 23, the threaded groove 23 is threadedly connected with a screw 24, by installing the adjusting unit 2, the folded trampoline can be moved on the ground through the installed roller a5, and the length of the roller a5 can be adjusted according to the thickness of the folded trampoline, the user only needs to unscrew the screw 24 and adjust the position of the sleeve rod 21 in the sleeve 22 for adjustment, and the adjustment is convenient.

[0027] like Figure 2 and Figure 4 As shown, the roller protection device 3 includes a roller assembly 31, which is fixedly installed on the bottom side of the adjustment unit 2, and a buffer assembly 32 is installed in the roller assembly 31. The roller assembly 31 includes a protective cover a1, which is fixedly connected to the bottom of the sleeve 22. The left and right inner walls of the protective cover a1 are provided with slide grooves a2, and the slide grooves a2 are slidably connected with sliders a3. Support plates a4 are fixedly connected between the sliders a3, and a roller a5 is installed at the bottom of the support plate a4. The buffer assembly 32 includes a telescopic cylinder b1, which is fixedly connected to the middle position of the top of the support plate a4, and an elastic member b2 is sleeved on the outer side of the telescopic cylinder b1. The top side of the inner part of the protective cover a1 is fixedly connected with a fixed plate c 1. The fixed plates c1 are fixedly connected with sliding rods c2, the outer walls of the sliding rods c2 are slidably connected with sliding blocks c4, the outer walls of the sliding rods c2 are sleeved with elastic members c3, the bottom sides of the sliding blocks c4 are movably connected with guide rods c5, the other ends of the guide rods c5 are hinged on the supporting plates a4, and by installing the roller protection device 3, the telescopic cylinder b1 and the elastic member b2 provided therein can buffer and protect the bumps suffered by the moving roller a5, and the buffer assembly 32 provided in addition can further protect the roller a5, and the elastic member b2 and the elastic member c3 are installed in different directions, so that the roller a5 can be buffered and protected in the vertical and lateral directions, thereby improving the stability of the folding trampoline during transportation.

[0028] The utility model provides an adjustable trampoline roller, and the specific working principle is as follows: a connecting plate 11 is welded around the bottom side of the trampoline, and after the trampoline is folded and stored, the L-shaped plate 12 is inserted into the L-shaped groove 14 so that the roller a5 can be installed on the bottom side of the trampoline; the user adjusts the length of the roller a5 according to the thickness of the trampoline after folding, so that the roller a5 falls on the ground, that is, the user unscrews the screw 24, and pulls out a sleeve rod 21 of a suitable length from the sleeve 22, and tightens the screw 24 again to fix it; the bumpy road surface encountered during the transportation of the trampoline is buffered by the elastic member b2 and the elastic member c3, thereby improving the stability of the trampoline transportation.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable trampoline roller, comprising a trampoline connection unit (1), characterized in that: An adjustment unit (2) is fixedly mounted on the bottom of the trampoline connection unit (1), and a roller protection device (3) is fixedly mounted on the bottom of the adjustment unit (2); The roller protection device (3) comprises a roller assembly (31), wherein the roller assembly (31) is fixedly mounted on the bottom side of the adjustment unit (2), and a buffer assembly (32) is mounted inside the roller assembly (31).

2. The adjustable trampoline roller according to claim 1, characterized in that: The trampoline connection unit (1) comprises a connection plate (11), the top side of the connection plate (11) is welded to the bottom side of the trampoline, L-shaped plates (12) are fixedly connected to both sides of the bottom of the connection plate (11), a mounting plate (13) is arranged at the bottom of the connection plate (11), an L-shaped groove (14) is opened on the top side of the mounting plate (13), and the outer wall of the L-shaped plate (12) and the inner wall of the L-shaped groove (14) are both slidably connected.

3. The adjustable trampoline roller according to claim 1, characterized in that: The adjustment unit (2) comprises a sleeve rod (21), the top of the sleeve rod (21) is fixedly connected to the bottom side of the mounting plate (13), the outer wall of the sleeve rod (21) is slidably connected to a sleeve (22), the outer walls of the sleeve rod (21) and the sleeve (22) are both provided with a threaded groove (23), and a screw (24) is threadedly connected in the threaded groove (23).

4. The adjustable trampoline roller according to claim 1, characterized in that: The roller assembly (31) comprises a protective cover (a1), wherein the protective cover (a1) is fixedly connected to the bottom of the sleeve (22), and the left and right inner walls of the protective cover (a1) are provided with sliding grooves (a2), and the interior of the sliding grooves (a2) is slidably connected with a slider (a3).

5. The adjustable trampoline roller according to claim 4, characterized in that: A support plate (a4) is fixedly connected between the sliders (a3), and a roller (a5) is installed at the bottom of the support plate (a4).

6. The adjustable trampoline roller according to claim 1, characterized in that: The buffer assembly (32) comprises a telescopic cylinder (b1), the telescopic cylinder (b1) is fixedly connected to the middle position of the top of the support plate (a4), and an elastic member (b2) is sleeved on the outer side of the telescopic cylinder (b1).

7. The adjustable trampoline roller according to claim 4, characterized in that: The top side of the protective cover (a1) is fixedly connected to a fixing plate (c1), the fixing plates (c1) are fixedly connected to sliding rods (c2), the outer walls of the sliding rods (c2) are slidably connected to sliding blocks (c4), the outer walls of the sliding rods (c2) are sleeved with elastic parts 2 (c3), the bottom sides of the sliding blocks (c4) are movably connected to guide rods (c5), and the other ends of the guide rods (c5) are hinged on the support plate (a4).

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