Artificial turf convenient for drainage and ventilation

Abstract

The utility model relates to the technical field of artificial turfs, in particular to an artificial turf convenient for drainage and ventilation, which comprises grass yarns, the grass yarns are arranged on the upper surface of a base cloth body in a penetrating manner, the lower surface of the base cloth is abutted against a ventilation grid, the ventilation grid is composed of a plurality of oval-like hollow pipes which are interwoven horizontally and vertically, and grid gaps of the ventilation grid are filled with gum. The gum is bonded with the base cloth and the bonding curved surface of the ellipse-like hollow pipe, and a plurality of through holes are formed in the upper flat surface and the lower flat surface of the ellipse-like hollow pipe and used for ventilation and drainage; according to the artificial turf, the breathable grids are additionally arranged between the base cloth and the gum, so that the breathability and the drainage performance of the artificial turf are improved, and meanwhile, the elasticity and the softness of the artificial turf are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of artificial turf, especially to an artificial turf convenient for drainage and ventilation. BACKGROUND

[0002] Artificial turf is a kind of artificial synthetic material simulating natural turf, which is widely used in sports grounds, landscape decoration, courtyard arrangement and other fields.

[0003] During the production of artificial turf, the grass filaments are generally woven onto the base cloth by a tufting machine to form a semi-finished product, and then high-strength glue is applied on the back of the turf as a backing layer, and drying treatment is performed to fix the grass filaments and increase the stability and service life of the turf. However, the backing layer has poor ventilation, which leads to the problem that the artificial turf laid on outdoor sites cannot effectively drain water during the rainy season. The water on the surface of the turf cannot infiltrate into the ground due to the blocking of the backing layer. Long-term immersion of the accumulated water can cause the performance of the grass filaments, base cloth and backing layer to degrade, and even rot. At the same time, the accumulated water can breed bacteria and mold, which may cause odor and health problems. In addition, the backing layer with poor ventilation is prone to delamination and peeling in high-humidity environments.

[0004] Therefore, the present application provides an artificial turf convenient for drainage and ventilation to solve the problems raised in the background. SUMMARY

[0005] The utility model discloses a kind of artificial turfs convenient for drainage and ventilation, to solve the problem that the existing artificial turf is ventilated and drained and is poor, leading to accumulated water, delamination and short service life.

[0006] To solve the above technical problems, the utility model provides a kind of artificial turfs convenient for drainage and ventilation, including grass filaments, grass filaments are arranged on the upper surface of base cloth body, and the lower surface of base cloth is attached to the ventilation grid, the ventilation grid is formed by a plurality of horizontal and vertical interlaced elliptical hollow tubes, the grid gap of ventilation grid is filled with backing glue, the adhesive curved surface of backing glue and base cloth, elliptical hollow tube is adhered, and a plurality of through holes are arranged on the upper flat surface and the lower flat surface of elliptical hollow tube, and the through hole is used for ventilation and drainage.

[0007] Further improvement of the utility model technical solution lies in that the cross section of the elliptical hollow tube is elliptical, and the tubular body has bending performance and supporting force.

[0008] Further improvement of the utility model technical solution lies in that the elliptical hollow tube further includes an upper flat surface and a lower flat surface, the width of the upper flat surface and the lower flat surface is 1 / 2-2 / 3 of the major axis length of the elliptical hollow tube, wherein the top surface of the upper flat surface is attached to the lower surface of the base cloth, and the bottom surface of the lower flat surface is attached to the ground.

[0009] The further improvement in the technical scheme of the utility model lies in that: a plurality of rows of through holes penetrating each other are arranged on the upper flat surface and the lower flat surface, the plurality of through holes are arranged at equal intervals, and the diameter of the through holes is 1mm-5mm.

[0010] The further improvement in the technical scheme of the utility model lies in that: the elliptical hollow tube further comprises a bonding curved surface between the upper flat surface and the lower flat surface, a burr is arranged on the outer surface of the bonding curved surface, and the burr is used for enhancing the bonding property of the back adhesive and the bonding curved surface.

[0011] The further improvement in the technical scheme of the utility model lies in that: the plurality of elliptical hollow tubes are vertically interwoven to form a breathable mesh, and the size of the mesh gap of the breathable mesh is 1x1cm 2 -5x5cm 2 .

[0012] The further improvement in the technical scheme of the utility model lies in that: the mesh gap is filled with the back adhesive, the back adhesive is in close contact with the bonding curved surface, and the filling thickness of the back adhesive is between 1 / 2 and 4 / 5 of the minor axis length of the elliptical hollow tube.

[0013] The further improvement in the technical scheme of the utility model lies in that: the base cloth is polypropylene non-woven fabric.

[0014] By adopting the above technical scheme, the utility model has the following beneficial effects:

[0015] 1. The artificial turf convenient for drainage and ventilation is characterized in that: the breathable mesh is arranged between the base cloth and the back adhesive, the through holes penetrating the base cloth and the ground are arranged on the breathable mesh, compared with directly coating the back adhesive on the back surface of the base cloth, the artificial turf has good ventilation and drainage functions.

[0016] 2. The artificial turf convenient for drainage and ventilation is characterized in that: the elliptical hollow tube is a hollow tubular body, the water seeping from the upper surface of the base cloth can penetrate into the ground through the through holes, or flow to the edge of the artificial turf in the hollow cavity of the elliptical hollow tube and seep into the ground while flowing, thereby improving the drainage efficiency.

[0017] 3. The artificial turf convenient for drainage and ventilation is characterized in that: the elliptical hollow tube is made of organic composite material and has certain elasticity and supporting force, when the breathable mesh woven by the plurality of elliptical hollow tubes is stepped on by gravity, the elliptical hollow tube will not be compressed in the direction of the minor axis b, but will only be slightly shrunk, so that the back adhesive is completely in close contact with the ground, and the elasticity and softness of the artificial turf are increased.

[0018] 4. The utility model provides a kind of artificial turf convenient to drain and ventilate, the back glue does not pass the lower flat surface, but again fully and the adhesion curved surface of two sides adhesion, so that back glue, base cloth and elliptic hollow tube adhesion are integrated, guarantee the lower flat surface of elliptic hollow tube is exposed again, so that through hole and base cloth are mutually penetrated, overcome the defect that only coating back glue, back glue makes the lower surface of base cloth not breathable. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced as follows, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is a whole schematic view of a kind of artificial turf convenient to drain and ventilate;

[0021] Figure 2 It is Figure 1 Structural schematic view of the ventilation grid in;

[0022] Figure 3 It is structural schematic view of elliptic hollow tube;

[0023] Figure 4 It is structural schematic view of back glue and adhesion curved surface.

[0024] Reference signs: 1, grass silk;2, base cloth;3, ventilation grid;31, elliptic hollow tube;32, grid gap;311, upper flat surface;312, lower flat surface;313, adhesion curved surface;314, through hole;315, burr;4, back glue. EMBODIMENT

[0025] The technical scheme of the utility model will be described clearly and completely in conjunction with the drawings as follows, obviously, the described embodiment is a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0026] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] The utility model will be further explained in conjunction with specific implementation.

[0029] As Figures 1-4 The utility model provides a kind of artificial turf that is convenient for drainage ventilation, including grass silk 1, grass silk 1 is set on the upper surface of base cloth 2 body, the lower surface of base cloth 2 is in close contact with ventilation grid 3, ventilation grid 3 is made of several horizontal and vertical interlaced elliptical hollow tubes 31, back glue 4 is filled in the grid gap 32 of ventilation grid 3, back glue 4 and the adhesive curved surface 313 of base cloth 2, elliptical hollow tube 31 are adhered, and several through holes 314 are arranged on the upper flat surface 311 and lower flat surface 312 of elliptical hollow tube 31, and through hole 314 is used for ventilation and drainage;Specifically, grass silk 1 is woven to base cloth 2 by tufting machine, to form semi-finished product lawn, before coating glue on the back of base cloth 2, ventilation grid 3 is completely in close contact with the back of base cloth 2 first, then fill the grid gap 32 of ventilation grid 3 with appropriate amount of glue, and the thickness of glue is greater than the minor axis radius of elliptical hollow tube 31 and less than the minor axis diameter, to avoid that through hole 314 is covered, so that artificial turf has drainage ventilation function.

[0030] As Figures 2-4As shown, in the embodiment, the elliptical hollow tube 31 is a tubular body with a cross-section in the shape of an ellipse, bendable and having a certain supporting force; the elliptical hollow tube 31 further comprises an upper flat surface 311 and a lower flat surface 312, the width of the upper flat surface 311 and the lower flat surface 312 is 1 / 2-2 / 3 of the length of the major axis of the elliptical hollow tube 31, wherein the top surface of the upper flat surface 311 abuts the lower surface of the base cloth 2, and the bottom surface of the lower flat surface 312 abuts the ground; specifically, the elliptical hollow tube 31 is a hollow tubular body, the water seeping down from the upper surface of the base cloth 2 can penetrate into the ground through the through holes 314, or flow to the edge of the artificial turf in the hollow cavity of the elliptical hollow tube 31 and seep into the ground while flowing, thereby improving the efficiency of drainage; meanwhile, the elliptical hollow tube 31 is made of organic composite material, and the elliptical hollow tube 31 is made of thermoplastic elastomer TPE material, which has elasticity and compression resistance supporting force; when the air-permeable grid 3 composed of a plurality of elliptical hollow tubes 31 is stepped on by gravity, the elliptical hollow tube 31 will not be flattened in the direction of the minor axis b, but will only shrink slightly, so that the adhesive 4 completely abuts the ground, and the elasticity and softness of the artificial turf are increased.

[0031] As shown in the drawings, Figures 3-4 in the embodiment, a plurality of rows of through holes 314 are arranged on the upper flat surface 311 and the lower flat surface 312, the through holes 314 are arranged at equal intervals, and the diameter of the through holes 314 is 1mm-5mm; the elliptical hollow tube 31 further comprises an adhesive curved surface 313 between the upper flat surface 311 and the lower flat surface 312, and a burr 315 is arranged on the outer surface of the adhesive curved surface 313, which is used to enhance the adhesion between the adhesive 4 and the adhesive curved surface 313; specifically, the through holes 314 on the upper flat surface 311 and the lower flat surface 312 are perpendicular to the direction of the major axis a of the elliptical hollow tube 31, the through holes 314 of the upper flat surface 311 abut the lower surface of the base cloth 2, and the through holes 314 of the lower flat surface 312 abut the ground, so that the base cloth 2 and the ground are connected through the through holes 314.

[0032] As shown in the drawings, Figure 2 , Figure 4 in the embodiment, a plurality of elliptical hollow tubes 31 are vertically and downwardly interwoven to form an air-permeable grid 3, and the size of the grid gap 32 of the air-permeable grid 3 is 1×1cm 2 -5×5cm 2 ; the grid gap 32 is filled with adhesive 4, the adhesive 4 abuts the adhesive curved surface 313, and the filling thickness of the adhesive 4 is 1 / 2-1 of the length of the minor axis of the elliptical hollow tube 31; the base cloth 2 is polypropylene (PP) non-woven fabric, which has small density and good air-permeable and drainage functions; preferably, the size of the grid gap 32 of the air-permeable grid 3 is 2×2cm 2 , the adhesive 4 wraps the adhesive curved surface 313 and the base cloth 2, and the adhesive 4 makes the grass filaments 1, the base cloth 2 and the air-permeable grid 3 integrated, thereby enhancing the firmness of the grass filaments 1.

[0033] The utility model provides a kind of principle of artificial turf convenient to drain and ventilate: grass silk 1 is woven to base cloth 2 by tufting machine, and form semi-finished product turf, before the back of base cloth 2 is coated with glue, first, ventilated grid 3 is completely attached to the back of base cloth 2, then fill the grid gap 32 of ventilated grid 3 with appropriate amount of glue, and make the thickness of glue greater than the short axis radius of elliptic hollow tube 31 and less than short axis diameter, avoid through hole 314 to be covered, so that artificial turf has drainage and ventilation function;At the same time, since elliptic hollow tube 31 is organic composite material, it has certain elasticity and supporting force, when ventilated grid 3 made of elliptic hollow tube 31 is stepped under gravity, elliptic hollow tube 31 short axis b direction will not be crushed, only slightly shrink, so that back glue 4 is completely attached to the ground, while increase the elasticity and softness of artificial turf.

[0034] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A water-draining and air-permeable artificial turf, characterized in that, It includes grass silk (1), grass silk (1) is arranged through the base cloth (2) body upper surface, the base cloth (2) lower surface is close to the air-permeable grid (3), the air-permeable grid (3) is formed by several horizontal and vertical interlaced elliptical hollow tubes (31), the grid gap (32) of the air-permeable grid (3) is filled with back adhesive (4), the back adhesive (4) is adhered to the adhesive curved surface (313) of the base cloth (2) and the elliptical hollow tube (31), a plurality of through holes (314) are arranged on the upper flat surface (311) and the lower flat surface (312) of the elliptical hollow tube (31), and the through holes (314) are used for air permeation and drainage.

2. The artificial turf of claim 1, wherein, The cross section of the elliptical hollow tube (31) is elliptical, the tubular body has bending performance and supporting force.

3. The artificial turf of claim 2, wherein, The elliptical hollow tube (31) further includes an upper flat surface (311) and a lower flat surface (312), the width of the upper flat surface (311) and the lower flat surface (312) is 1 / 2-2 / 3 of the length of the major axis of the elliptical hollow tube (31), wherein the top surface of the upper flat surface (311) is close to the lower surface of the base cloth (2), and the bottom surface of the lower flat surface (312) is close to the ground.

4. The artificial turf of claim 3, wherein, A plurality of rows of through holes (314) are arranged on the upper flat surface (311) and the lower flat surface (312), the through holes (314) are arranged at equal intervals, and the diameter of the through holes (314) is 1mm-5mm.

5. The artificial turf that facilitates the drainage and ventilation according to claim 4, wherein, The elliptical hollow tube (31) further includes an adhesive curved surface (313) between the upper flat surface (311) and the lower flat surface (312), the outer surface of the adhesive curved surface (313) is provided with a burr (315), and the burr (315) is used to enhance the adhesion of the back adhesive (4) and the adhesive curved surface (313).

6. The artificial turf that facilitates ventilation and drainage according to claim 2, wherein, A plurality of class elliptical hollow tubes (31) are interwoven vertically and downwardly to form a breathable mesh (3), and the mesh gap (32) of the breathable mesh (3) is 1x1cm 2 ~5x5cm 2 .

7. The artificial turf that facilitates ventilation and drainage according to claim 6, wherein, The grid gap (32) is filled with back adhesive (4), the back adhesive (4) is close to the adhesive curved surface (313), and the filling thickness of the back adhesive (4) is 1 / 2-4 / 5 of the length of the minor axis of the elliptical hollow tube (31).

8. The artificial turf that facilitates ventilation and drainage according to claim 1, wherein, The base cloth (2) is polypropylene non-woven fabric.

Images