Trampoline Frame Connecting Structure, Trampoline Frame and Trampoline

Abstract

A trampoline frame connecting structure, a trampoline frame and a trampoline are provided. The trampoline frame connecting structure includes left and right frame traverse pipes, a mesh guard pipe, trampoline leg pipes and a connecting joint, wherein the connecting joint is a square pipe, positioning bulges are formed on left and right inner walls of the connecting joint, square nozzles are formed at ends of the left and right frame traverse pipes, an elongated positioning groove is formed on the left and right frame traverse pipes, and an interference fit is formed between the elongated positioning groove and the positioning bulges for a secondary positioning between the left and right frame traverse pipes and the connecting joint. A connection between the left and right frame traverse pipes and the connecting joint is stable and improves a positioning accuracy of a installed trampoline.

Claims

1. A trampoline frame connecting structure, comprising left and right frame traverse pipes, a mesh guard pipe, trampoline leg pipes and a connecting joint, wherein the connecting joint is a square pipe, positioning bulges are formed on left and right inner walls of the connecting joint, square nozzles matched with inner holes of the connecting joint are formed at ends of the left and right frame traverse pipes, an elongated positioning groove is formed on outer walls of surfaces of the left and right frame traverse pipes corresponding to the positioning bulges, the positioning bulges slide along the elongated positioning groove when the left and right frame traverse pipes are matched and inserted with the connecting joint, wherein an interference fit is formed between the elongated positioning groove and the positioning bulges for a secondary positioning between the left and right frame traverse pipes and the connecting joint; the connecting joint is also disposed with an installation structure for connecting a trampoline leg pipe and the mesh guard pipe.

2. The trampoline frame connecting structure according to claim 1, wherein the installation structure on the connecting joint for connecting the trampoline leg pipe and the mesh guard pipe is a through hole penetrating from up and down and provided on the connecting joint, the trampoline leg pipe is inserted into the through hole from below the connecting joint, the mesh guard pipe is inserted into the through hole from above the connecting joint, nozzles of the mesh guard pipe and the trampoline leg pipe are sleeved inside and outside, and fastener installation holes penetrating from front to back are respectively provided at corresponding positions of the connecting joint, the trampoline leg pipe and the mesh guard pipe to fixedly connect the trampoline leg pipe, the mesh guard pipe and the connecting joint by matching fasteners.

3. The trampoline frame connecting structure according to claim 2, wherein a clamping step for abutting against a bottom of the connecting joint is formed at a lower end of the nozzle of the trampoline leg pipe.

4. The trampoline frame connecting structure according to claim 1, wherein the connecting joint is an integrally formed structure.

5. The trampoline frame connecting structure according to claim 2, wherein a fastening sleeve is embedded between the nozzles of trampoline leg pipes and mesh guard pipe and the through hole of the connecting joint, and the fastening sleeve is configured to fill gaps between the trampoline leg pipes and mesh guard pipe and the through hole, wherein the connecting joint is firmly connected to the trampoline leg pipes and mesh guard pipe, and the fastening sleeve is provided with a fastener avoiding providing at a corresponding position of a fastener installation hole.

6. The trampoline frame connecting structure according to claim 2, wherein the nozzle of the trampoline leg pipe is sleeved outside the nozzle of the mesh guard pipe.

7. The trampoline frame connecting structure according to claim 1, wherein each of the positioning bulges is formed by an inward recessing of a nozzle of the connecting joint, and the each of the positioning bulges is circular in shape.

8. The trampoline frame connecting structure according to claim 2, wherein the through hole penetrating from up and down of the connecting joint is a circular-shaped hole, and the nozzles of the trampoline leg pipe and the mesh guard pipe are formed with circular-shaped nozzles matched with the circular-shaped hole.

9. A trampoline frame, wherein a plurality of frame traverse pipes, trampoline leg pipes and mesh guard pipes are connected through a plurality of connecting joints to form an annular trampoline frame, and the plurality of frame traverse pipes, trampoline leg pipes, mesh guard pipes and the plurality of connecting joints are connected by the trampoline frame connecting structure according to claim 1.

10. A trampoline comprising the trampoline frame according to claim 9 and a trampoline cloth, wherein the trampoline cloth is connected to the trampoline frame through a plurality of bed cloth connecting springs disposed at intervals along a periphery of the trampoline cloth.

11. The trampoline frame connecting structure according to claim 2, wherein the connecting joint is an integrally formed structure.

12. The trampoline frame according to claim 9, wherein the installation structure on the connecting joint for connecting the trampoline leg pipe and the mesh guard pipe is a through hole penetrating from up and down and provided on the connecting joint, the trampoline leg pipe is inserted into the through hole from below the connecting joint, the mesh guard pipe is inserted into the through hole from above the connecting joint, nozzles of the mesh guard pipe and the trampoline leg pipe are sleeved inside and outside, and fastener installation holes penetrating from front to back are respectively provided at corresponding positions of the connecting joint, the trampoline leg pipe and the mesh guard pipe to fixedly connect the trampoline leg pipe, the mesh guard pipe and the connecting joint by matching fasteners.

13. The trampoline frame according to claim 12, wherein a clamping step for abutting against a bottom of the connecting joint is formed at a lower end of the nozzle of the trampoline leg pipe.

14. The trampoline frame according to claim 9, wherein the connecting joint is an integrally formed structure.

15. The trampoline frame according to claim 12, wherein a fastening sleeve is embedded between the nozzles of trampoline leg pipes and mesh guard pipe and the through hole of the connecting joint, and the fastening sleeve is configured to fill gaps between the trampoline leg pipes and mesh guard pipe and the through hole, wherein the connecting joint is firmly connected to the trampoline leg pipes and mesh guard pipe, and the fastening sleeve is provided with a fastener avoiding providing at a corresponding position of a fastener installation hole.

16. The trampoline frame according to claim 12, wherein the nozzle of the trampoline leg pipe is sleeved outside the nozzle of the mesh guard pipe.

17. The trampoline frame according to claim 9, wherein each of the positioning bulges is formed by an inward recessing of a nozzle of the connecting joint, and the each of the positioning bulges is circular in shape.

18. The trampoline frame according to claim 12, wherein the through hole penetrating from up and down of the connecting joint is a circular-shaped hole, and the nozzles of the trampoline leg pipe and the mesh guard pipe are formed with circular-shaped nozzles matched with the circular-shaped hole.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0028] FIG. 1 is a stereoscopic structural diagram of a trampoline frame according to embodiment 1 of the present utility model in a semi-assembled state;

[0029] FIG. 2 is an enlarged view at A in FIG. 1, showing a stereoscopic structural diagram of the trampoline frame connection structure in an assembled state;

[0030] FIG. 3 is an enlarged view at B in FIG. 1, showing an explosive diagram of parts of the trampoline frame connection structure in an unassembled state.

[0031] In the drawing: 1. Frame traverse pipe, 11. Square nozzle, 111. Positioning groove, 2.

[0032] Mesh guard pipe, 3. Trampoline leg pipe, 31. Clamping step, 4. Connecting joint, 41. Positioning bulge, 42. Circular-shaped through hole, 5. Fastener installation hole, 6. Fastener, 61. Bolt, 62. Lock nut, 7. Fastening sleeve, 71. Fastener avoiding providing.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The present utility model will be further described by the specific embodiments below.

Embodiment 1

[0034] Referring to FIG. 1 to FIG. 3, a trampoline frame connecting structure of the present utility model comprises left and right frame traverse pipes 1, a mesh guard pipe 2, trampoline leg pipes 3 and a connecting joint 4.

[0035] The connecting joint 4 is a square pipe, and circular-shaped positioning bulges 41 are formed on the left and right inner walls of the connecting joint 4, and the positioning bulges 41 are formed by the inward recessing of the nozzle of the connecting joint 4. Square nozzles 11 matched with inner holes of the connecting joint 4 are formed at the ends of the left and right frame traverse pipes 1, an elongated positioning groove 111 is formed on outer walls of surfaces of the left and right frame traverse pipes 1 corresponding to the positioning bulges 41, the positioning bulges 41 can slide along the positioning groove 111 in the state that the left and right frame traverse pipes 1 are matched and inserted with the connecting joint 4, and an interference fit is formed between the positioning groove 111 and the positioning bulges 41 for secondary positioning between the left and right frame traverse pipes 1 and the connecting joint 4.

[0036] The connecting joint 4 is provided with a circular-shaped through hole 42 penetrating from up and down for connecting the trampoline leg pipe 3 and the guard pipe 2, and the nozzles of the trampoline leg pipe 3 and the mesh guard pipe 2 are formed with circular-shaped nozzles matched with the circular-shaped through hole 42. Further, the trampoline leg pipe 3 is inserted into the circular-shaped through hole 42 from below the connecting joint 4, and a clamping step 31 for abutting against the bottom of the connecting joint 4 is formed at the lower end of the nozzle of the trampoline leg pipe 3. The mesh guard pipe 2 is inserted into the circular-shaped through hole 42 from above the connecting joint 4, and the nozzles of the mesh guard pipe 2 and the trampoline leg pipe 3 sleeved inside and outside, wherein the nozzle of the trampoline leg pipe 3 is sleeved outside the nozzle of the mesh guard pipe 2. Fastener installation holes 5 penetrating from front to back are respectively provided at the corresponding positions of the connecting joint 4, the trampoline leg pipe 3 and the mesh guard pipe 2, which are used for fixedly connecting the trampoline leg pipe 3, the mesh guard pipe 2 and the connecting joint 4 with fasteners 6. A fastening sleeve 7 is embedded between the nozzles of trampoline leg pipes 3 and mesh guard pipe 2 and the circular-shaped through hole 42 of the connecting joint 4, and the fastening sleeve 7 is configured to fill gaps between the trampoline leg pipes 3 and mesh guard pipe 2 and the circular-shaped through hole 42, so that the connecting joint 4 is firmly connected to the trampoline leg pipes 3 and mesh guard pipe 2, and the fastening sleeve 7 is provided with a fastener avoiding providing 71 at a corresponding position of the fastener installation hole 5. The fastening sleeve 7 adopts plastic material. The nozzle of trampoline leg pipe 3 and mesh guard pipe 2 are made by adopting pipe shrinking process. The connecting joint 4 is an integrally formed structure, which is cut by laser and manufactured by one-step molding process.

[0037] A trampoline frame, several frame traverse pipes 1, trampoline leg pipes 3 and mesh guard pipes 2 of the present utility model are connected through several connecting joints 4, thereby forming an annular trampoline frame, and the frame traverse pipes 1, trampoline leg pipes 3, mesh guard pipes 2 and the connecting joints 4 are connected by the above trampoline frame connecting structure.

[0038] A trampoline of the present utility model comprising the above, wherein the trampoline cloth is connected to the trampoline frame through several bed cloth connecting springs disposed at intervals along the periphery of the trampoline cloth.

[0039] Referring to FIG. 1 to FIG. 3, when the trampoline frame of the present utility model is installed, the left and right frame traverse pipes 1 are directly inserted on both sides of the connecting joint 4, and the positioning bulges 41 are closely matched with the positioning grooves 111. When it is necessary to install the mesh guard pipe 2, the trampoline leg pipe 3 is inserted into the circular-shaped through hole 42 from below the connector 4, and the mesh guard pipe 2 is inserted into the circular-shaped through hole 42 from above the connecting joint 4, and the nozzle of trampoline leg pipe 3 is sleeved outside the nozzle of the mesh guard pipe 2, so that the fastener installation hole 5 on the connecting joint 4, trampoline leg pipe 3 and the mesh guard pipe 2 are located on the same axis, and the trampoline leg pipe 3 and the mesh guard pipe 2 are fixed relative to the connecting joint 4 by inserting a bolt 61 into the fastener installation hole 5 and cooperating with a locking nut 62. After all the frame traverse pipes 1, trampoline leg pipes 3, and mesh guard pipes 2 are installed according to the above trampoline frame connection structure through connection joints 4, a complete trampoline frame is formed. When it is not necessary to use the mesh guard pipe 2, the trampoline leg pipe 3 is inserted into the circular through hole 42 from below the connecting joint 4, and the trampoline leg pipe 3 is fixed relative to the connecting joint 4 through the fastener 5.

Embodiment 2

[0040] A difference between this embodiment and embodiment 1 is that the fastening sleeve 7 in embodiment 1 is not disposed between the nozzles of the trampoline leg pipe 3 and the mesh guard pipe 2 and the circular-shaped through hole 42 of the connecting joint 4, and the inner wall of the circular-shaped through hole 42 is closely matched with the outer wall of the nozzle of the trampoline leg pipe 3.

[0041] The above are only two specific embodiments of the present utility model, but the design concept of the present utility model is not limited to this, and any immaterial modification of the present utility model by using this concept should be an act violating the protection scope of the present utility model.