CN216466679U

CN216466679U - Waterproof knitted fabric

Info

Publication number: CN216466679U
Application number: CN202122759737.XU
Authority: CN
Inventors: 施德群; 张俊锋
Original assignee: Fujian Yuanxian Chemical Fiber Products Co ltd
Current assignee: Fujian Yuanxian Chemical Fiber Products Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-05-10
Anticipated expiration: 2031-11-11

Abstract

The utility model belongs to the technical field of textiles, and relates to a waterproof knitted fabric, which comprises the following components in percentage by weight: a knitted fabric body; the first waterproof layer is arranged on the inner side of the knitted fabric body; the second waterproof layer is arranged on the outer side of the knitted fabric body; the flame-retardant layer is arranged on the outer side of the second waterproof layer; the transverse reinforcing layer is provided with a plurality of transverse reinforcing fiber groups arranged transversely and arranged outside the flame-retardant layer; the third water prevention layer is arranged on the outer side of the transverse enhancement layer; and the first waterproof layer, the second waterproof layer and the third waterproof layer at least comprise a layer of waterproof canvas. According to the utility model, through the three-layer waterproof structure, the internal and external waterproof effects are achieved, and the transverse reinforcing fibers are added to achieve the transverse reinforcing effect, so that the dimensional stability of the fabric is improved.

Description

Waterproof knitted fabric

Technical Field

The utility model belongs to the technical field of textiles, relates to a composite knitted fabric for a temporary shielding shed, and particularly relates to a waterproof knitted fabric.

Background

Temporary shelter sheds include outdoor tents, movable disaster shelters, hotel tents, and the like. The traditional temporary shielding shed is made of single-layer canvas, and the windproof and waterproof effects are achieved. Currently, a wide variety of composite materials are used in the production of temporary shelter to enhance the performance of the materials.

For example, Polytetrafluoroethylene (PTFE) is added to the fabric, thereby improving the waterproof performance.

Although polytetrafluoroethylene has good heat resistance, cold resistance and waterproof effect, it is easy to creep under long-term load, resulting in poor dimensional stability and easy deformation.

Disclosure of Invention

The object of the present application is to solve the above problems, providing waterproof knitted fabric suitable for temporary shelter;

in order to achieve the purpose, the utility model adopts the following technical scheme:

the application creatively provides a waterproof looped fabric, includes:

a knitted fabric body;

the first waterproof layer is arranged on the inner side of the knitted fabric body;

the second waterproof layer is arranged on the outer side of the knitted fabric body;

the flame-retardant layer is arranged on the outer side of the second waterproof layer;

the transverse reinforcing layer is provided with a plurality of transverse reinforcing fiber groups arranged transversely and arranged outside the flame-retardant layer;

the third water prevention layer is arranged on the outer side of the transverse enhancement layer;

and the first waterproof layer, the second waterproof layer and the third waterproof layer at least comprise a layer of waterproof canvas.

In the above waterproof knitted fabric, the first waterproof layer and the second waterproof layer both include PTFE films.

In the above waterproof knitted fabric, the third waterproof layer includes a waterproof canvas.

In the waterproof knitted fabric, the thickness of the third waterproof layer is greater than the thickness of the first waterproof layer and the thickness of the second waterproof layer.

In one of the above waterproof knitted fabrics, the flame retardant layer comprises a non-halogen flame retardant layer.

In the above waterproof knitted fabric, a plurality of transverse reinforcing fiber groups are woven into the outer side surface of each transverse reinforcing layer along the transverse direction, a gap is formed between every two adjacent transverse reinforcing fiber groups, and a water-based silica gel waterproof agent is filled in the gap and forms a waterproof adhesive layer on the surface of each transverse reinforcing layer.

In the waterproof knitted fabric, two ends of the third waterproof layer are bent inwards to the inner side surface of the first waterproof layer, and are sewn to form a serging structure perpendicular to the transverse reinforcing fiber group.

In the waterproof knitted fabric, each transverse reinforcing fiber group is provided with 3-6 weft-wise rovings.

In the above waterproof knitted fabric, the knitted fabric body is a nylon fabric, a spandex fabric or a nylon and spandex blended fabric.

In the above waterproof knitted fabric, the weft roving is aramid fiber

Compared with the prior art, the utility model has the advantages that:

(1) according to the utility model, through the three-layer waterproof structure, the internal and external waterproof effects are achieved, and the transverse reinforcing fibers are added to achieve the transverse reinforcing effect, so that the dimensional stability of the fabric is improved.

(2) The transverse reinforcing fiber group and the water-based silica gel waterproof agent form mutually parallel strip-shaped structures, the effect of reinforcing ribs is achieved, the transverse size stability is improved, meanwhile, the deformation resistance is improved, meanwhile, the stiffness of tent products in the tensioning state at two ends is increased through the strip-shaped structures, the deformation resistance is improved, gaps of the transverse reinforcing fiber group are filled with the water-based silica gel waterproof agent, and water seepage is avoided.

(3) Carry out multiple waterproof through PTFE membrane and canvas cooperation, make through canvas preparation lockstitch structure, make wholly reach better water-proof effects to the horizontal reinforcing fiber of cooperation reaches the effect of stretch-proofing.

Drawings

Fig. 1 is a schematic longitudinal sectional structure view of a high-strength knitted fabric in an embodiment of the present application.

Fig. 2 is a schematic diagram of a manufacturing structure in an embodiment of the present application.

Fig. 3 is a schematic cross-sectional structure view of a high-strength knitted fabric in an embodiment of the present application.

In the figure, a knitted fabric body 1, a first waterproof layer 2, a second waterproof layer 3, a flame-retardant layer 4, a transverse reinforcing layer 5, a transverse reinforcing fiber group 51, a water-based silica gel waterproof agent 52 and a third waterproof layer 6 are arranged.

Detailed Description

Further illustrated by the following specific examples;

in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1, a waterproof knitted fabric sequentially comprises: the waterproof cloth comprises a first waterproof layer 2, a knitted cloth body 1, a second waterproof layer 3, a flame-retardant layer 4, a transverse reinforcing layer 5 and a third waterproof layer 6.

The transverse reinforcement layer 5 has several transversely arranged transverse groups of reinforcement fibres 51.

And the first waterproof layer 2, the second waterproof layer 3 and the third waterproof layer 6 at least comprise a layer of waterproof canvas.

According to the utility model, through the three-layer waterproof structure, the internal and external waterproof effects are achieved, and the transverse reinforcing fibers are added to achieve the transverse reinforcing effect, so that the dimensional stability of the fabric is improved.

Specifically, the knitted fabric body 1 is a nylon fabric, a spandex fabric or a nylon and spandex blended fabric.

In a preferred embodiment, the first and second

waterproof layers

2 and 3 each comprise a PTFE membrane. The third waterproof layer 6 comprises a waterproof canvas.

The thickness of the third waterproof layer 6 is larger than that of the first waterproof layer 2 and that of the second waterproof layer 3.

Specifically, the thickness of the first waterproof layer 2 is consistent with that of the second waterproof layer 3, and the thickness of the third waterproof layer 6 is 2-4 times that of the first waterproof layer 2 or that of the second waterproof layer 3.

The flame retardant layer 4 includes a non-halogen flame retardant layer.

As shown in fig. 1 and 2, the transverse reinforcing layer 5 is made of a plurality of spun yarns which are staggered in warp and weft, wherein a plurality of transverse reinforcing fiber groups 51 are woven into the outer side surface of the transverse reinforcing layer 5 in the transverse direction, and a space is formed between two adjacent transverse reinforcing fiber groups 51.

Specifically, in one embodiment, the transverse reinforcing layer 5 is formed by using a plurality of dacron as warps, the wefts are divided into weft rovings and dacron which are alternately arranged, and the diameters of the weft rovings are 5-10 times that of the weft yarns and the warps. The weft rovings are transverse reinforcement fiber groups 51. For example, the diameter of the weft roving is 50 μm, and the diameters of the weft spun yarn and the warp yarn are both 5 μm. Each group of the weft roving is 3, and each group of the weft spun yarn is 4.

The space between two adjacent transverse reinforcing fiber groups 51 is filled with a water-based silica gel waterproof agent 52, and the water-based silica gel waterproof agent 52 forms a waterproof adhesive layer on the outer surface of the transverse reinforcing layer 5.

The transverse reinforcing fiber group 51 and the water-based silica gel waterproofing agent 52 both form mutually parallel strip-shaped structures, so that the reinforcing ribs have the functions of improving the transverse dimensional stability and simultaneously improving the deformation resistance, meanwhile, the stiffness of tent products in the tensioning state at two ends is increased through the strip-shaped structures, the deformation resistance is improved, and the gaps of the transverse reinforcing fiber group are filled up by using the water-based silica gel waterproofing agent 52 to avoid water seepage.

As shown in fig. 1, 2 and 3, both ends of the third waterproof layer 6 are bent inward to the inner side of the first waterproof layer 2, and sewn to form a lockstitching structure perpendicular to the transverse reinforcing fiber group 51.

Carry out multiple waterproof through PTFE membrane and canvas cooperation, make through canvas preparation lockstitch structure, make wholly reach better water-proof effects to the horizontal reinforcing fiber of cooperation reaches the effect of stretch-proofing.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms knitted fabric body, first waterproof layer, second waterproof layer, flame retardant layer, transverse reinforcing fiber group, water-based silica gel waterproof agent, third waterproof layer, etc. are used herein more. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. A waterproof knitted fabric, characterized by comprising:

a knitted fabric body (1);

the first waterproof layer (2) is arranged on the inner side of the knitted fabric body (1);

the second waterproof layer (3) is arranged on the outer side of the knitted fabric body (1);

the flame-retardant layer (4) is arranged on the outer side of the second waterproof layer (3);

the transverse reinforcing layer (5) is provided with a plurality of transverse reinforcing fiber groups (51) which are transversely arranged and arranged outside the flame-retardant layer (4);

a third water-proofing layer (6) arranged outside the transverse reinforcing layer (5);

the first waterproof layer (2), the second waterproof layer (3) and the third waterproof layer (6) at least comprise a layer of waterproof canvas.

2. The waterproof knitted fabric according to claim 1, wherein: the first waterproof layer (2) and the second waterproof layer (3) both comprise PTFE films.

3. The waterproof knitted fabric according to claim 2, wherein: the third water-proof layer (6) comprises a waterproof canvas.

4. The waterproof knitted fabric according to claim 1, wherein: and the thickness of the third waterproof layer (6) is greater than that of the first waterproof layer (2) and that of the second waterproof layer (3).

5. The waterproof knitted fabric according to claim 1, wherein: the flame retardant layer (4) comprises a non-halogen flame retardant layer.

6. The waterproof knitted fabric according to claim 1, wherein: a plurality of transverse reinforcing fiber groups (51) are woven into the outer side surface of the transverse reinforcing layer (5) along the transverse direction, a gap is formed between every two adjacent transverse reinforcing fiber groups (51), a water-based silica gel waterproof agent (52) is filled in the gap, and a waterproof adhesive layer is formed on the surface of the transverse reinforcing layer (5) by the water-based silica gel waterproof agent (52).

7. The waterproof knitted fabric according to claim 6, wherein: and two ends of the third waterproof layer (6) are bent inwards to the inner side surface of the first waterproof layer (2) and sewn to form a serging structure vertical to the transverse reinforced fiber group (51).

8. The waterproof knitted fabric according to claim 6, wherein: each transverse reinforcing fiber group (51) is provided with 3-6 weft-wise rovings.

9. The waterproof knitted fabric according to claim 1, wherein: the knitted fabric body (1) is a nylon fabric, a spandex fabric or a nylon spandex blended fabric.

10. The waterproof knitted fabric according to claim 8, wherein: the weft roving is aramid fiber.