阅读说明：本技术 一种蹦床用弹力网新材料 (Novel elastic net material for trampoline ) 是由 周杰 于 2020-05-26 设计创作，主要内容包括：本发明涉及一种蹦床用弹力网新材料,包括：经线及纬线,所述经线及纬线通过经编织网机编织成网状结构,所述经线及纬线均包括：至少一根复合纤维弹性绳及至少一根工业丝,每根复合纤维弹性绳包括：弹力芯、高回复应力形状记忆复合纤维包覆层及涤纶工业丝包覆层,所述高回复应力形状记忆复合纤维包覆层位于弹力芯与涤纶工业丝包覆层之间,高回复应力形状记忆复合纤维通过机械装置呈正反双螺旋对称方式包覆于弹力芯的外侧形成高回复应力形状记忆复合纤维包覆层,涤纶工业丝通过制绳机械包覆于高回复应力形状记忆复合纤维包覆层的外侧形成涤纶工业丝包覆层。从而大大提升了弹力网的弹力,延长了弹力网的使用寿命。(The invention relates to a new elastic net material for a trampoline, which comprises the following components: warp and weft, warp and weft are woven into network structure through the warp knitting netting machine, warp and weft all include: at least one composite fiber elastic cord and at least one industrial yarn, every composite fiber elastic cord includes: the elastic fiber type industrial yarn comprises an elastic core, a high-recovery-stress shape memory composite fiber coating layer and a polyester industrial yarn coating layer, wherein the high-recovery-stress shape memory composite fiber coating layer is located between the elastic core and the polyester industrial yarn coating layer, the high-recovery-stress shape memory composite fiber is coated on the outer side of the elastic core in a positive and negative double-helix symmetrical mode through a mechanical device to form the high-recovery-stress shape memory composite fiber coating layer, and the polyester industrial yarn is coated on the outer side of the high-recovery-stress shape memory composite fiber coating layer through a rope making machine to form the polyester industrial yarn coating layer. Thereby greatly improving the elasticity of the elastic net and prolonging the service life of the elastic net.)

1. A new material for elastic net for trampoline, comprising: warp and weft, warp and weft are through weaving the net structure into by the warp knitting net machine, its characterized in that: the warp and the weft all include: at least one composite fiber elastic cord and at least one industrial yarn, every composite fiber elastic cord includes: the elastic fiber type industrial yarn comprises an elastic core, a high-recovery-stress shape memory composite fiber coating layer and a polyester industrial yarn coating layer, wherein the high-recovery-stress shape memory composite fiber coating layer is located between the elastic core and the polyester industrial yarn coating layer, the high-recovery-stress shape memory composite fiber is coated on the outer side of the elastic core in a positive and negative double-helix symmetrical mode through a mechanical device to form the high-recovery-stress shape memory composite fiber coating layer, and the polyester industrial yarn is coated on the outer side of the high-recovery-stress shape memory composite fiber coating layer through a rope making machine to form the polyester industrial yarn coating layer.

2. A new material for elastic net of trampoline as claimed in claim 1, wherein: the elastic core is composed of a plurality of natural rubber threads or spandex threads which are arranged in parallel.

3. A new material for elastic net of trampoline as claimed in claim 1, wherein: the industrial yarn is polyester industrial yarn or nylon industrial yarn.

4. A new material for elastic net of trampoline as claimed in claim 1, wherein: the high-recovery-stress shape memory composite fiber is prepared from a matrix material and a reinforcing material through spinning equipment.

5. The new material for elastic net of trampoline as claimed in claim 4, wherein: the matrix material is a polymer material.

6. The new material for elastic net of trampoline as claimed in claim 4, wherein: the reinforcing material is a tubular and rod-shaped nanometer material.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of new materials, in particular to a new elastic net material for a trampoline.

[ background of the invention ]

Please refer to chinese patent application No. 201910159273.3, which discloses a trampoline structure in the prior art, comprising: the utility model discloses a trampoline, including trampoline, spring, protection pad, supporting leg pipe, guardrail pipe and frame spare, the central authorities of trampoline are equipped with jump cloth, jump through spring coupling between cloth and the frame spare, the spring is its elastic force source of jumping cloth, because the clearance between spring and the spring is great, consequently for the safety purpose, need lay the protection pad in the spring top, avoid unexpected the emergence, add the protection pad and not only increased manufacturing cost, and increased the equipment time, simultaneously because the spring can produce elastic deformation, the protection pad is the tight cover when originally the trampoline does not use, but after the elastic deformation of spring, the skew can take place for the protection pad, cause to cover inequality and make the spring expose to the incident rate has been increased. Therefore, in order to solve the technical problem, those skilled in the art thought to use an elastic net instead of a spring to provide the elastic force for the jumping cloth, refer to chinese patent No. 201310348785.7, which discloses a structure for providing the elastic force for the jumping cloth through the elastic net in the trampoline, so that the use of the spring can be avoided, and the safety performance can be greatly improved.

The elastic net belongs to the core part of the trampoline, and not only is higher structural strength required, but also frequent replacement due to long-term use is avoided, and higher elastic force is required, so that the trampoline has good bouncing performance.

Therefore, there is a need for a new material for elastic net of trampoline that solves the above technical problems.

[ summary of the invention ]

In order to solve the above problems, an object of the present invention is to provide a new material for an elastic net for a trampoline, which has high strength, high elasticity, and aging resistance.

In order to achieve the purpose, the invention adopts the technical scheme that: a new material for elastic net for trampoline, comprising: warp and weft, warp and weft are woven into network structure through the warp knitting netting machine, warp and weft all include: at least one composite fiber elastic cord and at least one industrial yarn, every composite fiber elastic cord includes: the elastic fiber type industrial yarn comprises an elastic core, a high-recovery-stress shape memory composite fiber coating layer and a polyester industrial yarn coating layer, wherein the high-recovery-stress shape memory composite fiber coating layer is located between the elastic core and the polyester industrial yarn coating layer, the high-recovery-stress shape memory composite fiber is coated on the outer side of the elastic core in a positive and negative double-helix symmetrical mode through a mechanical device to form the high-recovery-stress shape memory composite fiber coating layer, and the polyester industrial yarn is coated on the outer side of the high-recovery-stress shape memory composite fiber coating layer through a rope making machine to form the polyester industrial yarn coating layer.

Preferably, the new elastic net material for the trampoline in the invention is further provided with: the elastic core is composed of a plurality of natural rubber threads or spandex threads which are arranged in parallel.

Preferably, the new elastic net material for the trampoline in the invention is further provided with: the industrial yarn is polyester industrial yarn or nylon industrial yarn.

Preferably, the new elastic net material for the trampoline in the invention is further provided with: the high-recovery-stress shape memory composite fiber is prepared from a matrix material and a reinforcing material through spinning equipment.

Preferably, the new elastic net material for the trampoline in the invention is further provided with: the matrix material is a polymer material.

Preferably, the new elastic net material for the trampoline in the invention is further provided with: the reinforcing material is a tubular and rod-shaped nanometer material.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, various elastic materials and non-elastic materials are respectively made into the elastic net through different mechanical devices, so that the mechanical property is improved, the elasticity is improved, the effective extension distance is lengthened, the rebound response is faster, the bounce experience is better, and compared with the prior art that the elasticity is improved by simply increasing the number of the elastic cores, the elastic net disclosed by the invention has the advantages that the stress relaxation and hysteresis of the elastic cores are reduced while the elasticity is improved, and the plastic deformation generated in the use process of the elastic cores can be avoided. In addition, the new material of the elastic net is coated for the second time, thereby preventing the aging of the elastic core and prolonging the service life of the elastic net.

[ description of the drawings ]

Fig. 1 is a schematic structural view of the elastic net of the present invention.

Fig. 2 is a schematic structural diagram of the composite fiber elastic rope according to the present invention.

Fig. 3 is a schematic structural view of the composite fiber elastic rope of the present invention, which shows the situation when the polyester industrial yarn coating layer is not coated.

Fig. 4 is a graph comparing the data obtained from the tensile test of the composite fiber elastic cord of the present invention with the prior art elastic cord having only the elastic core and no coating layer.

In fig. 1 to 4: 1. warp, 2, weft, 3, composite fiber elastic rope, 30, elastic core, 31, high-recovery-stress shape memory composite fiber coating layer, 32, polyester industrial yarn coating layer, and 4, elastic rope only containing elastic core and not containing coating layer.

[ detailed description ] embodiments

The new material for the elastic net of the trampoline according to the present invention will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 3, a new material for an elastic net for a trampoline, includes: warp 1 and weft 2, warp 1 and weft 2 weave into network structure through the warp knitting net machine, warp 1 and weft 2 all include: the elastic rope comprises at least one composite fiber elastic rope 3 and at least one industrial yarn, wherein the industrial yarn can be polyester industrial yarn or nylon industrial yarn, in the embodiment, the warp 1 and the weft 2 are both composed of the composite fiber elastic rope 3 and the industrial yarn, and in other embodiments, the number of the warp and the weft can be changed according to specific requirements.

Each composite fiber elastic cord 3 includes: the elastic fiber composite fiber coating layer 31 is located between the elastic core 30 and the polyester industrial yarn coating layer 32, the high-recovery-stress shape memory composite fiber coating layer 31 is coated on the outer side of the elastic core 30 in a positive and negative double-helix symmetrical mode through a mechanical device to form the high-recovery-stress shape memory composite fiber coating layer 31, and the polyester industrial yarn is coated on the outer side of the high-recovery-stress shape memory composite fiber coating layer 31 through a rope making machine to form the polyester industrial yarn coating layer 32. The elastic core 30 is composed of a plurality of natural rubber threads or spandex threads arranged in parallel.

The high-recovery-stress shape memory composite fiber is prepared from a matrix material and a reinforcing material through spinning equipment. The matrix material is a polymer material, and the reinforcing material is a tubular and rod-shaped nanometer material. Dissolving a base material to form a polymer dilute solution, preparing a reinforcing material into a stable carbon nano tube solution, and mixing the polymer dilute solution and the carbon nano tube solution to form a spinning solution. Finally, the high-recovery stress shape memory composite fiber is prepared by spinning equipment.

Referring to fig. 4, a graph comparing the data obtained from tensile testing of the composite fiber elastic cord 3 and the elastic cord 4 containing only the elastic core without the coating layer is shown. The composite fiber elastic rope 3 and the elastic rope 4 only containing the elastic core and not containing the coating layer are both subjected to a tensile test with the length of 20CM, the number of natural rubber threads or spandex threads contained in the elastic cores of the composite fiber elastic rope 3 and the elastic rope 4 is the same, the abscissa represents the elongation and the unit is CM, and the ordinate represents the tensile force and the unit is Kg, and the tests show that the tensile force of the composite fiber elastic rope 3 and the near-linear part of the deformation are expanded, the composite fiber elastic rope 3 is longer in the stretched distance, the elastic force is larger, and the elasticity is better.

In summary, the elastic net is made of various elastic materials and non-elastic materials through different mechanical devices, so that the mechanical property is improved, the elasticity is improved, the effective extension distance is lengthened, the rebound response is faster, the bounce experience is better, and compared with the prior art that the elasticity is improved by simply increasing the number of the elastic cores, the elastic net improves the elasticity, reduces the stress relaxation and hysteresis of the elastic cores, and can avoid plastic deformation of the elastic cores during use. In addition, the new material of the elastic net is coated for the second time, thereby preventing the aging of the elastic core and prolonging the service life of the elastic net.

The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.