Trampoline with telescopic guardrail
Technical Field
The invention belongs to the technical field of sports equipment, relates to an improvement of a trampoline, and particularly relates to a trampoline with a telescopic guardrail.
Background
Trampolines with protective nets on the market today comprise: trampoline landing leg, trampoline frame, guardrail bar, protecting wire net circle, jump the cloth, the top and the protecting wire net circle of flexible guardrail are connected, and the upper end of protecting wire net is fixed on protecting wire net circle. When the trampoline is not used or meets severe weather such as wind and rain, when wanting to receive and release the protecting net, need earlier dismantle the guardrail bar that supports the protecting net from the trampoline, then just can receive and release the protecting net to when reuse the trampoline, still need install the guardrail bar again, waste time and energy, bring very big inconvenience for the user.
Chinese patent discloses a utility model of a telescopic supporting rod for trampoline (patent number: 201620620956.6), wherein the telescopic supporting rod comprises a hollow upper telescopic rod, a hollow connecting rod and a hollow lower telescopic rod; the outer diameter of the upper telescopic rod is smaller than the inner diameter of the connecting rod, and the outer diameter of the connecting rod is smaller than the inner diameter of the lower telescopic rod; the elastic columns are respectively arranged in cavities at certain positions on the upper telescopic rod, the connecting rod and the lower telescopic rod away from the lower end, a through hole for the elastic column to extend out is formed in the side wall of one side opposite to the elastic column, and an elastic column fastening hole and a fastening bolt are formed in the side wall of the other side opposite to the through hole; the side walls of the connecting rod and the lower telescopic rod at a certain position away from the upper end are respectively provided with a bullet column hole for the bullet column to extend out; when the telescopic supporting rod extends, the lower end of the upper telescopic rod is inserted into the upper end of the connecting rod, the elastic column on the upper telescopic rod extends out of the elastic column hole on the connecting rod, and the lower end of the connecting rod is inserted into the upper end of the lower telescopic rod, so that the elastic column on the connecting rod extends out of the elastic column hole on the lower telescopic rod; after the telescopic supporting rod is contracted, the upper telescopic rod is inserted into the connecting rod, and the connecting rod is inserted into the lower telescopic rod. This patent telescopic support pole equipment, dismantlement are convenient, swift, meet bad weather such as heavy wind and rain or can shorten telescopic support pole length rapidly when not using, make the protecting wire netting of its support fall down, account for the space less, guarantee safety.
However, current hood formula fixed knot as an organic whole constructs, at protecting wire net and telescopic link lift in-process, thereby because the protecting wire net mouth can appear deformation and increase the degree of difficulty that goes up and down, how to improve the hood structure on telescopic link top, with this kind because the protecting wire net mouth that goes up the resistance that deformation arouses reduces to realize the light lift of protecting wire net, this is the technical problem who awaits a great deal of solution. In addition, for the impact force when buffering guardrail bar shrink and improve the stability when guardrail bar straightens, the connecting piece structure between the bracing piece also needs to be improved urgently.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the trampoline with the telescopic guardrail, the structural design of the top cap at the upper end of the telescopic guardrail for the trampoline is reasonable, and the falling and rising of the protecting net can be easily and flexibly realized; further objects are: the connecting structure between each section of pipe is reasonable in the telescopic guardrail, can cushion the impact force when the telescopic guardrail rod contracts, and can improve the stability when the telescopic guardrail rod is straightened.
The purpose of the invention is realized by the following technical scheme: a trampoline with a telescopic guardrail comprises trampoline legs, a trampoline frame, a telescopic guardrail, a protecting net and a protecting net ring, wherein each telescopic guardrail is formed by sequentially inserting an upper pipe, a middle pipe and a lower pipe, a bullet column and a bullet column hole on the wall of the through pipe are fixed, the upper pipe is connected with the protecting net ring through a top cap at the upper end of the upper pipe, the lower end of the lower pipe is installed on the trampoline frame, the trampoline is characterized in that the top cap comprises a fixing seat, a cap body and a U-shaped clamp, the lower part of the fixing seat is a short pipe inserted into the upper pipe, the upper part of the fixing seat is a spherical body fixed on the top surface of the short pipe, the outer diameter of the neck part of the spherical body connected with the top surface of the short pipe is smaller than the diameter of the spherical body, the cap body comprises a cap body top connected with the protecting net ring and a tubular, the lower edge of the tubular part is provided with a notch, the side wall of the tubular part close to the lower edge is provided with an insertion hole for inserting the U-shaped clamp, the tubular part of the cap body is buckled on the spherical body, the U-shaped clamp is inserted into the insertion hole in the tubular part, and two sides of the U-shaped clamp are clamped at the neck part below the spherical body.
The technical scheme is further improved as follows: the upper ends of the middle pipe and the lower pipe are both provided with a bushing, the bushing is a sleeve, the side wall of the bushing is provided with a boss, the boss is provided with a fastening screw hole, the side wall of the upper end of the middle pipe and the lower pipe is provided with a corresponding screw hole, the upper ends of the middle pipe and the lower pipe are respectively sleeved with one bushing, and the bushings are fixed by screwing fastening screws into the fastening screw holes and the screw holes; the lower extreme of top tube, well pipe and low tube all is provided with end stopper, end stopper is the tubulose, the first part tubulose external diameter of end stopper slightly is less than the lower half tubulose external diameter of end stopper, the tubulose lateral wall of lower half open and to have vertical opening, the tubulose lateral wall of first part set up tongue shell fragment, tongue shell fragment lateral surface free end sets up the fixed column, be provided with the fixed column jack on the lower extreme lateral wall of top tube, well pipe and low tube, insert one in the lower port of top tube, well pipe and low tube respectively the first part of end stopper, the fixed column inserts in the fixed column jack, will the end stopper is fixed.
The technical scheme is further improved as follows: the utility model discloses a top tube, well pipe and low tube are square pipe, the fixing base lower part of hood is square nozzle stub, set up the bellying on the square nozzle stub lateral wall, set up fastening screw hole on the bellying, set up the screw that corresponds on the upper end lateral wall of top tube, with the fastening screw in fastening screw hole and screw will the hood is fixed the upper end of top tube, the spheroid on the square nozzle stub top surface is hollow, and the outer wall is the fretwork, the cap body with the pipe of fixing base articulated tubulose portion for opening there is the opening, cap body top is the round can shape, horizontal through-hole symmetry sets up on the round can lateral wall, horizontal through-hole is the flat hole.
The technical scheme is further improved as follows: the bush is square sleeve pipe, the end stopper is square pipe, 4 corner positions of end stopper lower half lateral wall are opened there is vertical opening.
The technical scheme is further improved as follows: the trampoline is characterized in that a five-way pipe is arranged on the trampoline frame and connected with the trampoline supporting legs, the lower pipe and the frame pipe, and the upper end and the lower end of the straight pipe, inserted into the lower pipe, outside the five-way pipe are respectively provided with the lining and the bottom plug.
The technical scheme is further improved as follows: set up the elasticity post on the lower extreme lateral wall of upper tube, well pipe and low tube, the upper end lateral wall of well pipe, low tube reaches peg graft in the five-way pipe outside all be provided with the confession on the straight tube upper end lateral wall of low tube the elasticity post hole that the elasticity post stretches out.
The technical scheme is further improved as follows: the trampoline is provided with a protective cover which covers when being folded, the protective cover comprises a top surface and a side surface, and the top surface is provided with an extended cylindrical sleeve corresponding to the upper pipe and the top cap.
The invention has the advantages and positive effects that:
1. according to the trampoline with the telescopic guardrail, the top cap at the upper end of the guardrail pipe is in a split structure and is hinged, the cap body part of the top cap can flexibly rotate, and resistance caused by deformation of the upper opening of the protecting net can be overcome, so that the protecting net can be easily and flexibly lifted.
2. The arrangement of the bushing and the bottom plug buffers the impact force when the guardrail rod contracts on one hand, and improves the stability when the guardrail tube is straightened on the other hand.
3. According to the invention, the vertical openings are formed at the 4 corner parts of the side wall of the lower half part of the bottom plug, so that the welding ribs of the pipe fitting can be avoided, the assembly can be realized without cleaning the welding ribs during batch production, the manpower and material resources are saved, and the product cost is reduced.
4. The guardrail bar does not need to be detached from the trampoline, the protection net can be easily placed and lifted, when the trampoline is not used, the guardrail bar can be conveniently contracted, the whole protection net is driven to be placed, damage to the trampoline caused by strong weather is avoided, the dust cover is conveniently covered on the trampoline, the trampoline is further protected, and the service life of the trampoline is prolonged.
Drawings
Fig. 1 is a schematic view showing the overall structure of a trampoline with a telescopic fence according to the present invention;
FIG. 2 is an exploded assembly view of a top hat of a trampoline with a telescopic fence according to the present invention;
FIG. 3 is a schematic view of the top cap assembly of the trampoline with the telescopic fence according to the present invention;
FIG. 4 is a perspective view of a trampoline spacer with telescopic fences in accordance with the present invention;
FIG. 5 is a perspective view of a bottom plug of a trampoline with a telescopic fence according to the present invention;
FIG. 6 is an exploded view of the trampoline middle pipe with the telescopic fence according to the present invention;
FIG. 7 is a schematic illustration of the steps for removing the top hat after the trampoline with the telescopic fence is retracted;
FIG. 8 is a schematic view of a protective cover for a trampoline with a telescopic fence according to the present invention;
FIG. 9 is a schematic view of the process of covering and connecting the protection cover on the trampoline with the telescopic fence according to the present invention;
fig. 10 is a schematic view of the trampoline with the telescopic fence according to the present invention covered with the protection cover.
The numbers in the figure are: 1-protecting net ring, 2-top cap, 2.1-top cap body, 2.1.1-transverse through hole, 2.2-tubular cap body, 2.2.1-rear U-shaped clamp jack, 2.2.2-front U-shaped clamp jack, 2.2.3-opening, 2.3-spheroid, 2.4-neck, 2.5-short tube, 2.6-U-shaped clamp, 3-upper tube, 4-lining, 4.1-bulge, 4.1.1-fastening screw hole, 4.2-fastening screw, 5-middle tube, 5.1-elastic column hole, 5.2-elastic column, 5.3-fixing column jack, 5.4-middle tube screw hole, 6-lower tube, 7-protecting net, 8-trampoline frame, 9-five-way tube, 10-trampoline leg, 11-bottom plug, 11.1-upper half-tubular bottom plug, 11.2-fixing column, 11.3-lower half tubular bottom plug, 11.4-vertical opening, 12-protective cover, 12.1-hook and 12.2-groove.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1-6, an embodiment of a trampoline with a telescopic guardrail of the invention includes a net protecting ring 1, a top cap 2, an upper tube 3, a middle tube 5, a lower tube 6, a protecting net 7, a trampoline frame 8, and five-way trampoline legs 10, wherein the upper tube 3, the middle tube 5 and the lower tube 6 are sequentially spliced to form the telescopic guardrail. The upper pipe 3 is connected with the net protecting ring 1 through a top cap 2 at the upper end of the upper pipe, and the lower end of the lower pipe 6 is installed on the trampoline frame 8. The top cap 2 comprises a fixed seat, a cap body and a U-shaped clamp 2.6, the lower part of the fixed seat is a short pipe 2.5 which is spliced with the upper pipe 3, the upper part of the fixed seat is a spheroid 2.3 which is fixed on the top surface of the short pipe 2.5, and the outer diameter of a neck 2.4 of the spheroid 2.3 which is connected with the top surface of the short pipe 2.5 is smaller than the diameter of the spheroid 2.3. The cap body comprises a cap body top 2.1 connected with the mesh protecting ring 1 and a cap body tubular part 2.2 hinged with the fixing seat, a transverse through hole 2.1.1 crossing the mesh protecting ring 1 is arranged on the cap body top 2.1, a notch 2.2.3 is arranged on the lower edge of the cap body tubular part 2.2, a jack for inserting the U-shaped clamp 2.6 is arranged on the side wall of the cap body tubular part 2.2 close to the lower edge (the jack comprises two U-shaped clamp rear jacks 2.2.1 and two U-shaped clamp front jacks 2.2), the cap body tubular part 2.2 is buckled on the spherical body 2.3, the U-shaped clamp 2.6 is inserted into the jack on the cap body tubular part 2.2 (the specific installation mode is that two ends of the U-shaped clamp 2.6 are inserted into the two U-shaped clamp rear jacks 2.2.2.1 firstly, and then two ends of the U-shaped clamp 2.6 extend out of the U-shaped clamp from the U-shaped clamp front jack 2.2.2.2.2), and two sides of the U-.
Specifically, the method comprises the following steps: the upper ends of the middle pipe 5 and the lower pipe 6 are both provided with a bush 4, the bush 4 is a sleeve, the side wall of the bush 4 is provided with a convex part 4.1, the convex part 4.1 is provided with a fastening screw hole 4.1, the side wall of the upper end of the middle pipe 5 is provided with a corresponding middle pipe screw hole 5.4, the upper page of the side wall of the upper end of the lower pipe 6 is provided with a corresponding screw hole, the upper ends of the middle pipe 5 and the lower pipe 6 are respectively sleeved with a bush 4, and the bush 4 is fixed on the middle pipe 5 by screwing a fastening screw 4.2 into the fastening screw hole 4.1.1 and the middle pipe screw hole 5.4 (as shown in; similarly, the bushing 4 is also fixed to the lower tube 6 by fastening screws screwed into the fastening screw holes 4.1.1 and into the screw holes in the lower tube 6. The lower ends of the upper pipe 3, the middle pipe 5 and the lower pipe 6 are all provided with a bottom plug 11, the bottom plug 11 is tubular, the outer diameter of the upper tubular part 11.1 of the bottom plug is slightly smaller than that of the lower tubular part 11.3 of the bottom plug, and the side wall of the lower tubular part 11.3 of the bottom plug is provided with a vertical opening 11.4 (capable of avoiding welding ribs of pipe fittings). The lateral wall of the upper half tubular part 11.1 of the bottom plug is provided with a tongue-shaped elastic sheet, the free end of the lateral surface of the tongue-shaped elastic sheet is provided with a fixed column 11.2, the lateral walls of the lower ends of the upper tube 3, the middle tube 5 and the lower tube 6 are provided with fixed column jacks (as shown in fig. 6, the fixed column jack 5.3 on the lateral wall of the lower end of the middle tube 5), the upper half tubular part 11.1 of the bottom plug 11 is respectively inserted into the lower ports of the upper tube 3, the middle tube 5 and the lower tube 6, the fixed column 11.2 is inserted into the corresponding fixed column jack (as shown in fig. 6, the fixed column 11.2 is inserted into the fixed column jack.
Preferably, above-mentioned top tube 3, well pipe 5 and low tube 6 are square pipe, and the fixing base lower part of hood is square nozzle stub 2.5, sets up the bellying on the 2.5 lateral walls of square nozzle stub, sets up fastening screw hole on the bellying, sets up corresponding screw on the upper end lateral wall of top tube 3, with fastening screw in fastening screw hole and screw, fixes the hood the upper end of top tube 3. The spheroid 2.3 on the top surface of the square short pipe 2.5 is a hollow structure, and the outer wall is hollow. The tubular part 2.2 of the cap body hinged with the fixed seat is a round pipe with a notch 2.2.3, the top 2.1 of the cap body is in a round pot shape, two transverse through holes 2.1.1 are symmetrically arranged on the opposite side walls of the round pot shape, and the transverse through holes 2.1.1 are flat holes.
Considering above-mentioned upper tube 3, well pipe 5 and low tube 6 all select square pipe, and bush 4 also is square sleeve pipe, and similarly, end stopper 11 also is square pipe, and 4 corner positions of the tubulose 11.3 lateral walls of end stopper lower half part are opened has vertical opening 11.4.
A five-way pipe 10 is arranged on a trampoline frame 8, the five-way pipe 10 is used for connecting the trampoline legs 1, a lower pipe 10 and a frame pipe, a lining 4 and a bottom plug 11 are respectively arranged at the upper end and the lower end of a straight pipe, which is inserted into the lower pipe 6, on the outer side of the five-way pipe 10, and the installation mode is basically the same as that of the middle pipe 5 or the lower pipe 6.
In order to fix the upper pipe 3, the middle pipe 5 and the lower pipe 6 after the insertion, elastic columns are arranged on the side walls of the lower ends of the upper pipe 3, the middle pipe 5 and the lower pipe 6 (shown in fig. 6, the elastic columns 5.2 are arranged on the middle pipe 5), the side walls of the upper ends of the middle pipe 5 and the lower pipe 6 and the outer side of the five-way pipe 10 are inserted into the side walls of the upper ends of the straight pipes of the lower pipe 6, and elastic column holes (shown in fig. 6, the elastic column holes 5.1 are arranged on the middle pipe 5) for.
When the user is not using the trampoline, loosen fastening screw, get up upper tube 3, well pipe 5 and low tube 6 shrink, the impact force when the guardrail pipe shrink has been cushioned on the one hand to bush 4 and end plug 11's setting, and on the other hand has also improved the stability when guardrail bar straightens, guarantees trampoline safety in utilization. The top cap hinged design can overcome the resistance caused by the deformation of the upper opening of the protecting net 7, so that the protecting net 7 can easily fall down.
Referring to figure 8, to better protect the trampoline, the trampoline is provided with a protective cover 12 which covers when retracted, the protective cover 12 being formed by a deck surface with recesses 12.2 at the edges corresponding to the positions of the lower tubes 6 and hooks 12.1 at the edges of the deck surface to which one end of a plurality of hooks 12.1 are attached. The trampoline may be stowed away to protect the trampoline by covering the trampoline with a dust cover 12.
Referring to fig. 7, before covering the hood 12, the cap top 2.1 is removed, specifically: 1. the U-shaped card 2.6 is detached firstly (shown as a in figure 7); 2. and removed from the cap tubular portion 2.2 (shown in fig. 7 b); 3. the U-shaped clip 2.6 is then inserted into the receptacle (shown in fig. 7 c) in the tubular portion 2.2 of the cap.
Referring to fig. 9, a triangular ring is arranged on the edge of the trampoline bed, one end of a spring is connected with the triangular ring, and the other end of the spring is connected with a hanging hole on the trampoline frame 8. The removed top 2.1 of the cap is placed with the mesh-protecting ring 1 on the trampoline bed and the protective cover 12 is laid flat on the trampoline bed with the recess 12.2 of the protective cover 12 aligned with the lower tube 6. The hook 12.1 on the protective cover 12 is hooked on the triangular ring on the trampoline bed and fixed, as shown in figure 10.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.