CN216610387U - Anti-tearing hot melt adhesive leakage-proof valve bag with good effect - Google Patents

Abstract

The utility model discloses a hot melt adhesive leakage-proof valve bag with a good tear-resistant effect, which comprises a valve bag body, wherein the valve bag body comprises a base layer, the outer surface of the base layer is provided with a reinforcing layer, the reinforcing layer comprises a polyamide fiber interwoven layer, a polypropylene mesh belt layer and an aramid fiber interwoven layer, the outer surface of the reinforcing layer is provided with a wear-resistant layer, the wear-resistant layer comprises a polytetrafluoroethylene coating and a polyurethane wear-resistant coating, and the inner surface of the base layer is provided with a sealing layer. According to the wear-resistant valve bag body, under the mutual cooperation effect of the reinforcing layer, the polyamide fiber interwoven layer, the polypropylene mesh layer, the aramid fiber interwoven layer, the valve bag body, the wear-resistant layer, the polytetrafluoroethylene coating and the polyurethane wear-resistant coating, the wear resistance and the tensile strength of the valve bag body are greatly improved, the probability that the valve bag body is damaged due to wear and tear is effectively reduced, and the service life of the valve bag body is prolonged.

Description

Anti-tearing hot melt adhesive leakage-proof valve bag with good effect

Technical Field

The utility model relates to the technical field of valve bags, in particular to a hot melt adhesive leakage-proof valve bag with a good tear-resistant effect.

Background

Valve bag, commonly known as stick with paste end bag, for international popular wrapping bag, from top or bottom valve port feeding, adopt special filling equipment, the square body of packing after the filling material, it is neat to pile the package, pleasing to the eye, belongs to the recycle bags, however current valve bag's anti tear effect is relatively poor, easily breaks under the effect that the exogenic force was torn, and wear-resisting effect is relatively poor simultaneously, easily receives wearing and tearing and damages in the use, has reduced its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hot melt adhesive leakage-proof valve bag with a good tear-resistant effect, which has the advantages of good tear-resistant effect and good wear-resistant effect and solves the problems that the existing valve bag is poor in tear-resistant effect, easy to break under the action of external force tearing, poor in wear-resistant effect and easy to damage due to abrasion in the using process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a valve port bag is prevented leaking by effectual hot melt adhesive of tearing, includes the valve port bag body, the valve port bag body includes the basic unit, the basic unit surface is provided with the enhancement layer, the enhancement layer includes polyamide fiber interwoven layer, polypropylene net belt layer and aramid fiber interwoven layer, the surface of enhancement layer is provided with the wearing layer, the wearing layer includes polytetrafluoroethylene coating and the wear-resisting coating of polyurethane, the internal surface of basic unit is provided with the sealing layer, the sealing layer includes polyimide film layer and high density polyethylene film layer.

Preferably, the outer surface of the polyimide film layer is bonded to the inner surface of the base layer, and the outer surface of the high-density polyethylene film layer is bonded to the inner surface of the polyimide film layer.

Preferably, the inner surface of the aramid fiber interwoven layer is adhered to the outer surface of the base layer, the inner surface of the polypropylene mesh belt layer is adhered to the outer surface of the aramid fiber interwoven layer, and the inner surface of the polyamide fiber interwoven layer is adhered to the outer surface of the polypropylene mesh belt layer.

Preferably, the inner surface of the polyurethane wear-resistant coating is coated on the outer surface of the reinforcing layer, and the inner surface of the polytetrafluoroethylene coating is coated on the outer surface of the polyurethane wear-resistant coating.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the reinforcing layer, because the polyamide fiber interwoven layer, the polypropylene mesh belt layer and the aramid fiber interwoven layer in the reinforcing layer have excellent tensile strength, multi-level tensile strength protection is formed inside the valve bag body, the tensile strength of the valve bag body is further greatly improved, the damage probability of the valve bag body in the process of stretching and tearing is effectively reduced, meanwhile, through the arrangement of the wear-resistant layer, because the polytetrafluoroethylene coating and the polyurethane wear-resistant coating in the wear-resistant layer both have excellent wear resistance, double-level wear-resistant protection is formed on the outer surface of the valve bag body, the wear resistance of the valve bag body is further greatly improved, the wear resistance of the valve bag body is effectively reduced, and under the integral matching action, the wear resistance and the tensile strength of the valve bag body are greatly improved, the valve bag has the advantages that the probability that the valve bag body is abraded and torn to damage is effectively reduced, the service life of the valve bag body is prolonged, the problems that the existing valve bag is poor in tearing resistance, easy to break under the action of tearing by external force, poor in abrasion resistance and prone to being abraded and damaged in the using process are solved.

2. According to the utility model, through the arrangement of the sealing layer, the polyimide film layer and the high-density polyethylene film layer in the sealing layer have excellent sealing performance, and a double-layer sealing protection effect is formed on the inner surface of the valve bag body, so that the sealing performance of the valve bag body is greatly improved, and the leakage of materials in the valve bag body to the outside is effectively avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the valve bag body structure of the present invention;

FIG. 3 is a schematic view of a reinforcement layer according to the present invention;

FIG. 4 is a schematic structural view of a sealing layer according to the present invention;

fig. 5 is a schematic structural view of the wear-resistant layer of the present invention.

In the figure: 1. a valve bag body; 11. a wear layer; 111. a polytetrafluoroethylene coating; 112. a polyurethane wear-resistant coating; 12. a reinforcing layer; 121. a polyamide fiber interwoven layer; 122. a polypropylene mesh tape layer; 123. an aramid fiber interwoven layer; 13. a base layer; 14. a sealing layer; 141. a polyimide film layer; 142. a high density polyethylene film layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, a hot melt adhesive leakage-proof valve bag with good tear resistance effect comprises a valve bag body 1, the valve bag body 1 comprises a base layer 13, a reinforcing layer 12 is arranged on the outer surface of the base layer 13, the reinforcing layer 12 comprises a polyamide fiber interwoven layer 121, a polypropylene mesh belt layer 122 and an aramid fiber interwoven layer 123, the inner surface of the aramid fiber interwoven layer 123 is adhered to the outer surface of the base layer 13, the inner surface of the polypropylene mesh belt layer 122 is adhered to the outer surface of the aramid fiber interwoven layer 123, the inner surface of the polyamide fiber interwoven layer 121 is adhered to the outer surface of the polypropylene mesh belt layer 122, the outer surface of the reinforcing layer 12 is provided with a wear-resistant layer 11, the wear-resistant layer 11 comprises a polytetrafluoroethylene coating 111 and a polyurethane wear-resistant coating 112, the inner surface of the polyurethane wear-resistant coating 112 is coated on the outer surface of the reinforcing layer 12, the inner surface of the polytetrafluoroethylene coating 111 is coated on the outer surface of the polyurethane wear-resistant coating 112, the inner surface of the base layer 13 is provided with the sealing layer 14, the sealing layer 14 comprises a polyimide film layer 141 and a high-density polyethylene film layer 142, the outer surface of the polyimide film layer 141 is adhered to the inner surface of the base layer 13, the outer surface of the high-density polyethylene film layer 142 is adhered to the inner surface of the polyimide film layer 141, through the arrangement of the sealing layer 14, because the polyimide film layer 141 and the high-density polyethylene film layer 142 in the sealing layer 14 have excellent sealing performance, a double-layer secondary sealing protection effect is formed on the inner surface of the valve bag body 1, the sealing performance of the valve bag body 1 is greatly improved, the leakage of materials inside the valve bag body 1 to the outside is effectively avoided, through the arrangement of the reinforcing layer 12, because the polyamide fiber interwoven layer 121, the polypropylene mesh belt layer 122 and the aramid fiber interwoven layer 123 in the reinforcing layer 12 have excellent tensile strength, multi-level tensile strength protection is formed inside the valve bag body 1, so that the tensile strength of the valve bag body 1 is greatly improved, the probability of damage of the valve bag body 1 in the process of stretching and tearing is effectively reduced, meanwhile, through the arrangement of the wear-resistant layer 11, because the polytetrafluoroethylene coating 111 and the polyurethane wear-resistant coating 112 in the wear-resistant layer 11 both have excellent wear resistance, double-layer wear resistance protection is formed on the outer surface of the valve bag body 1, the wear resistance of the valve bag body 1 is greatly improved, the probability of wear of the valve bag body 1 is effectively reduced, under the action of integral cooperation, the wear resistance and the tensile strength of the valve bag body 1 are greatly improved, the probability of damage of the valve bag body 1 due to wear and tear is effectively reduced, the service life of the valve bag body 1 is prolonged, the valve bag solves the problems that the existing valve bag is poor in tear-resistant effect, easy to break under the tearing action of external force, poor in wear-resistant effect and easy to wear and damage in the using process.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods (such as thermal welding, ultrasonic welding, flux, welding, and fusion welding), and no specific description is made here.

When in use, through the arrangement of the reinforcing layer 12, because the polyamide fiber interwoven layer 121, the polypropylene mesh belt layer 122 and the aramid fiber interwoven layer 123 in the reinforcing layer 12 all have excellent tensile strength, multi-level tensile strength protection is formed inside the valve bag body 1, the tensile strength of the valve bag body 1 is greatly improved, the damage probability of the valve bag body 1 in the process of stretching and tearing is effectively reduced, meanwhile, through the arrangement of the wear-resistant layer 11, because the polytetrafluoroethylene coating 111 and the polyurethane wear-resistant coating 112 in the wear-resistant layer 11 both have excellent wear resistance, double-level wear-resistant protection is formed on the outer surface of the valve bag body 1, the wear resistance of the valve bag body 1 is greatly improved, the wear resistance of the valve bag body 1 is effectively reduced, under the action of integral matching, the wear resistance and the tensile strength of the valve bag body 1 are greatly improved, the probability that the valve bag body 1 is damaged due to abrasion and tearing is effectively reduced, and the service life of the valve bag body 1 is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a tear effectual hot melt adhesive leak-proof valve bag, includes valve bag body (1), its characterized in that: the valve bag body (1) comprises a base layer (13), a reinforcing layer (12) is arranged on the outer surface of the base layer (13), the reinforcing layer (12) comprises a polyamide fiber interwoven layer (121), a polypropylene mesh belt layer (122) and an aramid fiber interwoven layer (123), a wear-resistant layer (11) is arranged on the outer surface of the reinforcing layer (12), the wear-resistant layer (11) comprises a polytetrafluoroethylene coating (111) and a polyurethane wear-resistant coating (112), a sealing layer (14) is arranged on the inner surface of the base layer (13), and the sealing layer (14) comprises a polyimide film layer (141) and a high-density polyethylene film layer (142).

2. The hot melt adhesive leakage-proof valve bag with good tear resistance effect as claimed in claim 1, wherein: the outer surface of the polyimide film layer (141) is adhered to the inner surface of the base layer (13), and the outer surface of the high-density polyethylene film layer (142) is adhered to the inner surface of the polyimide film layer (141).

3. The hot melt adhesive leakage-proof valve bag with good tear resistance effect as claimed in claim 1, wherein: the inner surface of the aramid fiber interwoven layer (123) is adhered to the outer surface of the base layer (13), the inner surface of the polypropylene mesh belt layer (122) is adhered to the outer surface of the aramid fiber interwoven layer (123), and the inner surface of the polyamide fiber interwoven layer (121) is adhered to the outer surface of the polypropylene mesh belt layer (122).

4. A hot melt adhesive leakage-proof valve bag with good tear resistance according to claim 1, wherein: the inner surface of the polyurethane wear-resistant coating (112) is coated on the outer surface of the reinforcing layer (12), and the inner surface of the polytetrafluoroethylene coating (111) is coated on the outer surface of the polyurethane wear-resistant coating (112).

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