CN217706982U

CN217706982U - Waterproof tear-resistant valve port bag easy to fill

Info

Publication number: CN217706982U
Application number: CN202221606906.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Dangsheng New Materials Co ltd
Current assignee: Xiamen Dangsheng New Materials Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-11-01
Anticipated expiration: 2032-06-23

Abstract

The utility model relates to a waterproof tear-resistant valve bag which is easy to fill, comprising a bag body and a valve port, wherein the valve port is arranged on one side of the top of the bag body; the valve port includes outer valve body and inlayer valve body, the one end of inlayer valve body is located bag internal portion and is linked together, the other end is located external, outer valve body is located external, and the outside of inlayer valve body is located to outer valve body cover, but outer valve body and inlayer valve body sliding connection, the lateral wall that inlayer valve body kept away from bag body one side prolongs its circumference interval around being equipped with a plurality of locating parts, the inside wall that outer valve body is close to bag body one side prolongs its circumference and is equipped with locating part complex fastener, the outer port of outer valve body outer port and inlayer valve body flushes under the initial condition, the position that is located between the outer port of locating part and outer valve body is equipped with the weld mark, weld mark seals inlayer valve body and outer valve body simultaneously. The valve port is made of high-density polyethylene, has excellent tear resistance, rupture resistance and air permeability, can quickly discharge air, and improves the filling efficiency.

Description

Waterproof tear-resistant valve port bag easy to fill

Technical Field

The utility model relates to a valve port bag field especially relates to a valve port bag of easy filling of waterproof tear-resistant.

Background

The valve bag is a current international popular packaging bag, the material is fed from a top or bottom valve port, special filling equipment is adopted, the material is filled, and then the square body is formed, the stacked bag is neat and attractive, and the valve bag belongs to an environment-friendly bag. The valve bag is mainly used for packaging powdery or granular solid material products such as cement, chemical fertilizer, salt, chemical raw materials, fine minerals, nano materials and the like.

The materials of the valve bag commonly used at present can be divided into: PP valve bag, paper-plastic valve bag, laminated plastic woven bag, kraft paper valve bag and multilayer kraft paper valve bag. For packaging and using manufacturers of valve bags, the following problems are often faced at the same time or in part: the possible rupture can affect the transportation efficiency and pollute the environment; moisture seepage can affect storage life, especially in northern areas; the fine powder cannot be filled quickly due to the air in the bag, so that the filling efficiency is influenced; the fine particles may leak.

In addition, the length of the valve port bag is generally fixed, and in the process of pouring out particles in the valve port bag into a container, the condition of more dust raising amount is easy to occur due to the fact that the size of the valve port is short and the distance between the valve port and the bottom of the container is large, so that the surrounding environment is polluted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problem of the prior art, the utility model provides a valve port bag of easy filling of waterproof resistant tearing can reduce the condition of a large amount of raise dusts that appear among the pouring process, improves sanitation.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include: the utility model provides a valve port bag of easy filling of waterproof tear-resistant, including the bag body and valve port, the valve port sets up in top one side of the bag body, the valve port includes outer valve body and inlayer valve body, the one end of inlayer valve body is located internal portion of bag and is linked together, the other end is located external portion of the bag, outer valve body is located outside the bag body, and the outside of inlayer valve body is located to outer valve body cover, but outer valve body and inlayer valve body sliding connection, the lateral wall that bag body one side was kept away from to inlayer valve body prolongs its circumference interval around being equipped with a plurality of locating parts, the inside wall that outer valve body is close to bag body one side prolongs its circumference and is equipped with locating part complex fastener, the valve port bag is including first state, when first state, the outer port of outer valve body flushes with the outer port of inlayer valve body, the position that is located between the outer port of locating part and outer valve body is equipped with the weld mark, weld mark simultaneously sealed inlayer valve body and outer valve body.

Further, the bag body comprises a web formed by interconnecting polyolefin filaments, with voids formed between the polyolefin filaments.

Further, the size diameter of the pores is 0.1 μm or more and 2 μm or less.

Further, the polyolefin filaments are 0.2 μm or more and 5 μm or less.

Further, the air permeability of the bag is 10.3 μm/(Pa.s)

Furthermore, the antistatic water pressure of the bag body is more than or equal to 12.2Kpa.

Further, the wear-resisting number of times of the bag body is more than or equal to 10000.

Furthermore, the limiting piece is in an L-shaped outwards-turned shape, and the clamping piece is in an L-shaped inwards-turned shape.

Further, the weld mark is an ultrasonic weld mark.

Furthermore, the top and the bottom of the outer side wall of the outer valve body are respectively provided with a pull rope, the pull rope is close to the welding mark, and is positioned on one side of the welding mark, which is far away from the outer port of the outer valve body.

(III) advantageous effects

The beneficial effects of the utility model are that: when the user is in the use, the position removal of outer valve body and inlayer valve body is fixed by the weld mark, cuts the weld mark position of valve port and when the operation of falling the material needs extension valve port length, outer valve body can outwards slide to locating part and fastener block connection, and then the whole length of extension valve port, and then reduces the condition of a large amount of raise dusts that the in-process of falling the material appears, is favorable to sanitation. In addition, because the material of valve port is high density polyethylene, possess excellent tear-resistant and bursting resistance, can reduce the damaged risk of latent packing in filling and the transportation, possess good gas permeability moreover, but the quick discharge air improves filling efficiency, can be waterproof and reduce fine powder seepage risk.

Drawings

Fig. 1 is the utility model discloses a valve port bag overall structure schematic diagram of easy filling of waterproof tear-resistant.

Fig. 2 is a side sectional view of the waterproof tear-resistant valve bag of the present invention.

Fig. 3 is the structural schematic diagram of the inner valve body and the outer valve body in the valve pocket of the utility model, which is waterproof, tear-resistant and easy to fill, matching under the first state.

Fig. 4 is the structure diagram of the utility model when the outer layer valve body is stretched after the weld mark part of the valve port is cut off in the valve port bag of the easy filling of waterproof tear-resistant.

Fig. 5 is a schematic view of the specific structure of the high density polyethylene in the waterproof tear-resistant valve bag easy to fill.

[ description of reference ]

1. A bag body is arranged on the upper portion of the bag body,

2. a valve port 21, an inner valve body 22, an outer valve body 23, a clamping piece 24, a limiting piece 25 and a welding mark,

3. and (4) a pull rope, 4, polyolefin filaments.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Referring to fig. 1 to 5, a waterproof tear-resistant valve bag easy to fill includes a bag body 1 and a valve port 2, the valve port 2 is disposed on one side of the top of the bag body 1, the valve port 2 includes an outer valve body 22 and an inner valve body 21, one end of the inner valve body 21 is disposed inside the bag body 1 and is communicated with the inside of the bag body 1, the other end is disposed outside the bag body 1, the outer valve body 22 is sleeved outside the inner valve body 21, the outer valve body 22 and the inner valve body 21 are slidably connected, a plurality of limiting members 24 are disposed around the outer side wall of the inner valve body 21 on the side away from the bag body 1 along the circumferential direction, a fastening member 23 engaged with the limiting members is disposed on the inner side wall of the outer valve body 22 along the circumferential direction, the valve bag includes a first state, when the first state is adopted, the outer port of the outer valve body 22 is flush with the outer port of the inner valve body 21, a weld mark 25 is disposed between the limiting members 24 and the outer port of the outer valve body 22, and the weld mark 25 seals the inner valve body 21 and the outer valve body 22.

Wherein the bag body 1 comprises a fiber web formed by interconnecting polyolefin filaments 4, and pores are formed among the polyolefin filaments 4.

Wherein the size diameter of the pores is not less than 0.1 μm and not more than 2 μm.

Wherein the polyolefin filaments 4 are 0.2 μm or more and 5 μm or less.

Wherein the air permeability of the bag body 1 is 10.3 [ mu ] m/(Pa.s) or more.

Wherein, the antistatic water pressure of the bag body 1 is more than or equal to 12.2Kpa.

Wherein, the wear-resisting number of times of the bag body 1 is more than or equal to 10000.

The limiting member 24 is in an L-shaped outward-turning shape, and the engaging member 23 is in an L-shaped inward-turning shape, so that the limiting and matching between the two members are facilitated.

Wherein, the welding mark 25 is the ultrasonic welding mark 25, has the advantage of gas tightness.

Wherein, the top and the bottom of outer valve body 22 lateral wall are equipped with stay cord 3 respectively, and stay cord 3 is close to weld mark 25, and is located one side that weld mark 25 kept away from outer port of outer valve body 22, through 3 steerable outer port sizes of stay cord outer valve body 22, and then can control the ejection of compact speed of falling the material process, can satisfy operating personnel's the material demand of falling in a flexible way.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. A waterproof tear-resistant valve bag easy to fill is characterized by comprising a bag body and a valve port, wherein the valve port is arranged on one side of the top of the bag body;

the valve port comprises an outer layer valve body and an inner layer valve body, one end of the inner layer valve body is positioned inside the bag body and communicated with the inside of the bag body, the other end of the inner layer valve body is positioned outside the bag body, the outer layer valve body is positioned outside the bag body and sleeved outside the inner layer valve body, the outer layer valve body and the inner layer valve body are connected in a sliding mode, a plurality of limiting pieces are wound on the outer side wall of one side, away from the bag body, of the inner layer valve body at intervals along the circumferential direction of the outer side wall, close to one side of the bag body, of the outer layer valve body, and clamping pieces matched with the limiting pieces are arranged on the inner side wall of one side, close to the bag body, of the outer layer valve body along the circumferential direction of the inner side wall;

the valve port bag is including the first state during the first state, the outer port of outer valve body with the outer port of inlayer valve body flushes, is located the locating part with position between the outer port of outer valve body is equipped with the weld mark, the weld mark is sealed simultaneously inlayer valve body with outer valve body.

2. The waterproof, tear-resistant, easy-fill valve bag of claim 1, wherein said bag body comprises a web of interconnected polyolefin filaments having voids formed therebetween.

3. The water resistant, tear resistant, easy-fill valve bag of claim 2, wherein said pores have a size diameter of 0.1 μm or more and 2 μm or less.

4. The waterproof tear-resistant, easy-fill valve bag according to claim 2, wherein the polyolefin filaments are 0.2 μ ι η or more and 5 μ ι η or less.

5. The waterproof tear-resistant valve bag easy to fill according to claim 2, wherein the air permeability of the bag body is 10.3 μm/(pa.s) or more.

6. The waterproof tear-resistant valve bag easy to fill of claim 2, wherein the bag body has a hydrostatic pressure of 12.2Kpa or greater.

7. The waterproof tear-resistant valve bag easy to fill of claim 2, wherein the bag body has a wear number of 10000 or more.

8. The waterproof tear-resistant valve bag easy to fill of claim 1, wherein the retaining member is formed in an L-shaped outward-turned shape, and the engaging member is formed in an L-shaped inward-turned shape.

9. The water resistant, tear resistant, easy-fill valve bag of claim 1, wherein the weld mark is an ultrasonic weld mark.

10. The waterproof tear-resistant easy-filling valve bag according to claim 1, wherein a pull rope is respectively arranged at the top and the bottom of the outer side wall of the outer valve body, and the pull rope is close to the weld mark and is positioned at one side of the weld mark far away from the outer port of the outer valve body.