CN115414625B

CN115414625B - Protective net supporting device for trampoline

Info

Publication number: CN115414625B
Application number: CN202211126616.4A
Authority: CN
Inventors: 邢惠惠
Original assignee: Suzhou University of Science and Technology
Current assignee: Suzhou University of Science and Technology
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-06-02
Anticipated expiration: 2042-09-16
Also published as: CN115414625A

Abstract

The invention relates to a protective net supporting device for a trampoline, which comprises a supporting rod body and a pair of first fixing devices arranged at the upper end and the lower end of the supporting rod body, wherein the supporting rod body comprises a net and a plurality of glass fiber rods fixed on one side surface of the net at the same interval, and the upper end and the lower end of the glass fiber rods extend out of the edges of the net; the first fixing device comprises a first mounting head and a first plug, the net is wound into a column shape to form a supporting rod body, and the end parts of the glass fiber rods respectively penetrate through the first mounting holes of the first fixing device and are inserted into the first conical blind holes to form fixing; the invention adopts a thicker support rod body composed of a plurality of thinner glass fiber rods, a net and a first fixer, has better support property and better bending property, is not easy to crack like the common thick glass fiber rods, and can be conveniently replaced and has low replacement cost even if the glass fiber rods are cracked or damaged in long-term use.

Description

Protective net supporting device for trampoline

Technical Field

The invention belongs to the technical field of trampolines, and particularly relates to a protective net supporting device for a trampoline.

Background

Along with the development of the national fitness industry, the trampoline has become a popular sports item in the world, is particularly popular in children entertainment and fitness items, is a small steel structure trampoline with a diameter of a few meters which is common in stadiums, markets and the like at present, the main body comprises a round frame pipe and elastic cloth which is fixed on the inner side of the frame pipe through a plurality of springs (part of trampoline does not adopt the springs and mainly relies on the elasticity of the elastic cloth), the bottom of the frame pipe is provided with supporting legs, and the periphery of the unbound free trampoline is also provided with a protective net for preventing a user from falling, and the protective net is usually fixed on the outer side of the frame pipe or the supporting legs through supporting rods made of glass fiber materials; the support rod made of glass fiber materials is light in weight, low in cost and good in elastic support effect, but in long-term use, especially in an outdoor trampoline, the support rod is driven to be frequently bent due to the fact that the protective screening is frequently impacted in use, a merchant can find that cracks can occur on the support rod made of glass fiber materials, if the support rod is not timely processed, the whole support rod can be scrapped, and accordingly complaints to manufacturers can be caused. Through investigation, the stress is a main cause of cracking of the glass fiber support rod under the condition of frequent and large bending force, and the cracking phenomenon is more easy to occur when the number of the support rods of the existing model is smaller on the premise of the glass fiber raw materials with the same fineness, and thicker support rods are needed to match the supportability of the support rods when the number of the support rods is smaller, and the thicker support rods are easier to crack under the condition of large bending amplitude.

In addition, because the support rod models produced by different manufacturers are different, the size and the depth of the insertion holes for fixing the support rod are also different, and the support rod is difficult to replace when the support rod is damaged in the cracking process.

In addition, as the protective net has higher protective property, the choice of the material of the protective net is greatly limited; the protection net adopts the integral type design, and to the damage such as hole, fish tail that appear in use, slight can repair, nevertheless can produce certain influence to the aesthetic measure, comparatively serious damage can only be whole change, and the replacement cost is higher.

In view of the above, it is desirable to provide a protective net support device for trampoline which is less prone to cracking, has excellent versatility, and has replaceable fittings.

Disclosure of Invention

The invention aims to provide the protective net supporting device for the trampoline, which is difficult to crack, has good universality, can be replaced by accessories and has two using methods.

In order to solve the technical problems, the invention discloses a protective net supporting device for a trampoline, which comprises a supporting rod body and a pair of first fixtures arranged at the upper end and the lower end of the supporting rod body, wherein the supporting rod body comprises a net and a plurality of glass fiber rods fixed on one side surface of the net at the same interval, and the upper end and the lower end of the glass fiber rods extend out of the edges of the net;

the first fixer comprises a first mounting head and a first plug, the first mounting head is honeycomb briquette-shaped, a plurality of through first mounting holes with the number not less than that of the glass fiber rods are formed in the first mounting head, the diameter of each first mounting hole is larger than that of each glass fiber rod, the first plug is fixed at one end of the first mounting head, first conical blind holes with the number identical to that of the first mounting holes are formed in one side, close to the first mounting head, of the first plug, the bottom diameter of each first conical blind hole is identical to that of each first mounting hole, and each first conical blind hole corresponds to one first mounting hole and is communicated with the corresponding first mounting hole;

the net is wound into a column shape to form a supporting rod body, and the end parts of the glass fiber rods respectively penetrate through the first mounting holes of the first fixer and are inserted into the first conical blind holes to form fixation;

the pair of first fixtures are respectively connected with the upper part of the trampoline protective net and the lower part of the trampoline by plugging or fastening pieces.

The second fixing device comprises a second mounting head and a second plug, and the second mounting head is a strip-shaped straight plate or arc plate; a row of second mounting holes are uniformly formed in the second mounting head along the length direction, and the distance between two adjacent second mounting holes is matched with the distance between two adjacent glass fiber rods when the net is unfolded; a plurality of second conical blind holes are processed on one side, close to the second mounting head, of the second plug, and each second conical blind hole corresponds to one second mounting hole and is communicated with the corresponding second mounting hole.

Preferably, the length of the upper end and the lower end of the glass fiber rod exposed out of the net is not less than 5cm.

Preferably, one side of the net is provided with an extension, and no fiberglass rod is provided on the extension.

Preferably, the left end and the right end of the net are provided with connecting pieces used for being connected with other nets, and the connecting pieces comprise one of zippers, buckles or magic tapes.

Preferably, the support rod body has two use states of rolling use and unfolding use:

preferably, when the net is rolled up for use, the net is rolled into a rod body from one end far away from the extension part, the extension part is further wound and wrapped on the rod body, and then the rod body is bound by using a magic tape, a rope or a binding belt; the first fixing devices are arranged at the two ends of the supporting rod body, the end parts of the glass fiber rods are respectively inserted into the first mounting holes during the installation, and then the first fixing devices are pressed to enable the end parts of the glass fiber rods to enter the first conical blind holes to form fixing;

when the glass fiber rod is unfolded and used, the net is completely unfolded, the glass fiber rods are sequentially inserted into the second mounting holes, and then the second fixing device is pressed to enable the end parts of the glass fiber rods to enter the second conical blind holes to form fixing; at this time, the net is unfolded in a screen shape to form a protective screen, and a plurality of protective screens are connected into a ring shape through the connecting rods to form the protective net.

Preferably, the second holders mounted at the upper part connect the plurality of second holders in a circular or polygonal shape by a connection rod when unfolded for use.

Preferably, the second anchor mounted to the lower portion is connected to the trampoline lower portion in an inserted or fastened connection when deployed for use.

Preferably, the fiberglass rod is adhesively secured to the web.

Preferably, the fiberglass rod is removably connected to the web; a plurality of clips are fixed on the net, and the clips clamp the glass fiber rods.

The protective net supporting device for the trampoline has at least the following advantages:

1. a thicker support rod body is formed by adopting a plurality of thinner glass fiber rods, a net and a first fixer, the glass fiber rods are fixed and wrapped and protected by adopting the net, the whole of the thinner glass fiber rods has better support property and better bending property, and the thinner glass fiber rods are not easy to crack like the common thick glass fiber rods, and can be conveniently replaced and have low replacement cost even if the glass fiber rods are cracked or damaged in long-term use.

2. The first fixer and the second fixer are replaceable and can adapt to trampoline sockets or joints of different models.

3. The first and second mounting holes bind the glass fiber rod, the first and second taper blind holes limit and fix the end of the glass fiber rod, the first mounting head in honeycomb briquette shape can bind the shape of the glass fiber rod, and the second mounting head can bind the shape of the glass fiber rod, so that the net can be switched under different using states.

4. The utility model has two use states of rolling up and unfolding, which is convenient for users to select according to the own demands.

5. When the protective screen is unfolded and used, the plurality of protective screens are connected into a ring shape to form the protective screen, and when the individual protective screens are damaged, the protective screen can be conveniently replaced, so that the high cost caused by integral replacement is avoided.

Drawings

Fig. 1 is a schematic structural view of a support rod body with a first fastener.

Fig. 2 is a schematic view of the structure of the first holder in fig. 1.

Fig. 3 is a schematic structural diagram of the first plug in fig. 2.

Fig. 4 is a schematic structural view of the support rod body after being unfolded.

Fig. 5 is a schematic structural view of a second fastener.

Fig. 6 is a schematic view of the second holder of fig. 5 after being detached.

Fig. 7 is a schematic structural view of a protective screen.

Fig. 8 is a schematic structural view of a protection net composed of protection screens.

Fig. 9 is a schematic structural view of a clip.

The reference numerals in the figures are: 1-supporting rod body, 2-first fixer, 210-first installation head, 220-first plug, 211-first mounting hole, 221-first conical blind hole, 230-upper boss, 240-lower boss, 3-glass fiber pole, 4-net, 5-clip, 6-second fixer, 610-second installation head, 611-second mounting hole, 620-second plug, 621-second conical blind hole, 622-connecting hole, 7-extension, 8-connecting piece, 9-protective screen, 10-protective net, 11-connecting rod.

Detailed Description

The present invention is described in further detail below by way of examples to enable those skilled in the art to practice the same by reference to the specification.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Example 1

As shown in fig. 1 to 3, a protection net support device for trampoline comprises a support bar body 1 and a pair of first holders 2 installed at the upper and lower ends of the support bar body, the support bar body comprises a net 4 and a plurality of glass fiber rods 3 fixed at the same interval on one side of the net, the upper and lower ends of the glass fiber rods extend out of the edges of the net;

as shown in fig. 2-3, the first fixing device includes a first mounting head 210 and a first plug 220, the first mounting head is in a honeycomb briquette shape, the first mounting head is a cylinder, a plurality of through first mounting holes 211 with the number not less than that of the glass fiber rods are formed in the first mounting head, the diameter of each first mounting hole is greater than that of each glass fiber rod, the first plug is fixed at one end of the first mounting head, first tapered blind holes 221 with the number identical to that of the first mounting holes are formed in one side of the first plug near the first mounting head, the diameter of the bottom of each first tapered blind hole is identical to that of each first mounting hole, and each first tapered blind hole corresponds to one first mounting hole and is communicated with the corresponding first mounting hole;

the pair of first fixtures are respectively connected with the upper part of the trampoline protective net and the lower part of the trampoline by plugging or fastening pieces. In this embodiment, the upper end of the first plug of the first holder at the upper portion of the support rod body is provided with an upper boss 230 for insertion into the upper receptacle of the trampoline protection net, and the lower end of the first plug at the lower portion of the support rod body is provided with a lower boss 240 for insertion into the lower (frame tube or support leg) receptacle of the trampoline.

When the novel multifunctional net is rolled up for use, the net is rolled into a rod body from one end far away from the extension part, the extension part is further wound and wrapped on the rod body, and then the rod body is bound by using a magic tape, a rope or a binding belt; the first fixing devices are arranged at the two ends of the supporting rod body, and the end parts of the glass fiber rods are respectively inserted into the first mounting holes when in installation, so that the positions of the end parts of the glass fiber rods can be properly stirred by using thin metal rods when in insertion, all the end parts of the glass fiber rods can enter into one first mounting hole, the number of the first mounting holes can be more than that of the glass fiber rods, and the glass fiber rods can be more easily inserted; and then pressing the first fixer to enable the end part of the glass fiber rod to enter the first conical blind hole to form fixation. After the end part of the glass fiber rod enters the first conical blind hole, a certain clamping effect is formed, and the glass fiber rod can be pulled out only by force during disassembly; in addition, the first mounting hole may also be tapered or flared to allow easier access of the fiberglass rod into the first mounting hole.

The glass fiber rods are adhered and fixed with the net.

Example 2

As shown in fig. 5-6, similar to embodiment 1, the difference is that the device further comprises a second fixer 6, the second fixer comprises a second mounting head 610 and a second plug 620, the second mounting head is a bar-shaped straight plate or an arc-shaped plate, and in this embodiment, the second mounting head is a bar-shaped straight plate; a row of second mounting holes 611 are uniformly formed in the second mounting head along the length direction, and the distance between two adjacent second mounting holes is matched with the distance between two adjacent glass fiber rods when the net is unfolded; a plurality of second conical blind holes 621 are processed on one side, close to the second mounting head, of the second plug, and each second conical blind hole corresponds to one second mounting hole and is communicated with the corresponding second mounting hole.

The length of the upper end and the lower end of the glass fiber rod exposed out of the net is not less than 5cm. When the trampoline is unfolded and used, the cage-shaped protection net formed by the glass fiber rods can better buffer impact from all directions, children can sometimes support the trampoline by hands when playing on the trampoline, because the hands of the children are smaller, sometimes only 1-2 glass fiber rods form the support, the single-point applied pressure is larger at the moment, the 1-2 glass fiber rods can generate larger deformation, and the ends of the 1-2 glass fiber rods possibly fall out of the first fixer or the second fixer if the upper ends and the lower ends of the glass fiber rods are exposed out of the length of the net too small. In order to prevent the end of the fiberglass rod from backing out of the first holder or the second holder, the mesh is preferably of a low or inelastic material; the second taper blind hole of the second fixer at the lower part can be made to be wider and wider, even if the end part of the glass fiber rod is pulled out occasionally, the glass fiber rod is pulled out preferentially from the lower part, and a manager can check regularly, so that the repair is convenient.

As shown in fig. 4, the mesh side is provided with an extension 7, on which no fiberglass rod is provided. When the net is rolled up for use, the extension part can play a role in external wrapping protection, and the extension part can be made of a net-woven material with low elasticity or certain elasticity; when the net is unfolded and used, the effect of filling the gap between two adjacent nets can be achieved, the using amount of the glass fiber rods can be reduced to a certain extent, the adaptability of the net is enhanced, and trampolines of different types are formed by matching with the extension parts of different widths, so that the production line equipment is reduced, and the production cost is reduced.

The net is provided with connecting pieces 8 at the left and right ends for connecting with other nets, the connecting pieces comprise one of zippers, buckles or magic tapes, wherein the zippers, the buckles, the buttons and the like are optimized, the connecting effect is stable, and the safety is good.

7-8, when the glass fiber rod is unfolded and used, the net is unfolded completely, the glass fiber rods are inserted into the second mounting holes in sequence, and then the second fixing device is pressed to enable the end parts of the glass fiber rods to enter the second taper blind holes to form fixing; at this time, the net is unfolded in a screen shape to form a protective screen 9, and a plurality of protective screens are connected into a ring shape through a connecting rod 11 to form a protective net 10; the second plug 620 has connection holes 622 at both ends for mounting the connection members.

In unfolded use, the second holders mounted on the upper part connect the plurality of second holders in a circular or polygonal shape through the connection rod 11. The upper part of the common protective net is generally provided with an annular supporting body, and a plurality of second fixtures are connected into a round shape or a polygonal shape through connecting rods, so that the supporting effect of the annular supporting body can be achieved. When the connection is circular, the connecting rod 11 and the second fixtures are both arc-shaped, and a large circular supporting ring can be adopted to pass through all the second fixtures to form stable connection; the length of the connecting rod 11 is adapted to the width of the extension.

When the trampoline is unfolded and used, the second fixing device arranged at the lower part is connected with the lower part of the trampoline in a plugging or fastening mode. The bottom of the second holder installed at the lower portion may be provided with a boss to be inserted into the insertion hole on the frame tube. If necessary, the second holder mounted at the lower part may be connected as a ring using a connecting rod.

As shown in fig. 9, the fiberglass rod is removably connected to the web; a plurality of clips 5 are fixed on the net, the clips clamp the glass fiber rods, and the glass fiber rods can be conveniently taken down and replaced when damaged; for adhesive fixation, if the situation that the net is difficult to be removed from the net or damage is caused when the net is removed is found during self-replacement, the glass fiber rod can be directly fixed beside the damaged glass fiber rod without removing the glass fiber rod.

Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.

Claims

1. The protective net supporting device for the trampoline is characterized by comprising a supporting rod body and a pair of first fixing devices arranged at the upper end and the lower end of the supporting rod body, wherein the supporting rod body comprises a net and a plurality of glass fiber rods fixed on one side surface of the net at the same interval, and the upper end and the lower end of the glass fiber rods extend out of the edges of the net;

the pair of first fixtures are connected with the upper part of the trampoline protective net and the lower part of the trampoline respectively in a plugging or fastening mode;

the second fixing device comprises a second mounting head and a second plug, and the second mounting head is a strip-shaped straight plate or arc plate; a row of second mounting holes are uniformly formed in the second mounting head along the length direction, and the distance between two adjacent second mounting holes is matched with the distance between two adjacent glass fiber rods when the net is unfolded; a plurality of second conical blind holes are processed on one side of the second plug, which is close to the second mounting head, and each second conical blind hole corresponds to one second mounting hole and is communicated with the corresponding second mounting hole;

an extension part is arranged on one side of the net, and a glass fiber rod is not arranged on the extension part;

the left end and the right end of the net are provided with connecting pieces which are used for being connected with other nets, and the connecting pieces comprise one of zippers, buckles or magic tapes.

2. The protective net support device for a trampoline according to claim 1, wherein the lengths of the upper and lower ends of the glass fiber rods exposed to the net are not less than 5cm.

3. The protective net support device for a trampoline according to claim 1, wherein the support rod body has two use states of rolling use and unrolling use:

when the novel multifunctional net is rolled up for use, the net is rolled into a rod body from one end far away from the extension part, the extension part is further wound and wrapped on the rod body, and then the rod body is bound by using a magic tape, a rope or a binding belt; the first fixing devices are arranged at the two ends of the supporting rod body, the end parts of the glass fiber rods are respectively inserted into the first mounting holes during the installation, and then the first fixing devices are pressed to enable the end parts of the glass fiber rods to enter the first conical blind holes to form fixing;

4. A trampoline protection net support device according to claim 3 wherein the second holders mounted on the upper part connect the plurality of second holders in a circular or polygonal shape by connecting rods in unfolded use.

5. The protective screen support apparatus as claimed in claim 4, wherein the second anchor mounted on the lower portion is connected to the lower portion of the trampoline by means of a socket or a fastener connection when the trampoline is unfolded for use.

6. The protective net support device for a trampoline according to claim 1, wherein the glass fiber rods are adhered and fixed to the net.

7. The protective screen support apparatus for a trampoline according to claim 1, wherein the fiberglass rod is detachably connected to the screen; a plurality of clips are fixed on the net, and the clips clamp the glass fiber rods.