Valve bag

Abstract

The utility model relates to the technical field of valve bags, in particular to a valve bag which comprises a bag body, a channel and an inner layer, the channel is arranged on one side of the upper portion of the bag body, one end of the channel is communicated with the inside of the bag body, the other side of the channel is open, and the inverted-U-shaped inner layer is arranged on the upper portion of the inner wall of the bag body. According to the utility model, the inverted U-shaped inner layer made of the rubber material is arranged inside the bag body, and the valve port pipeline is in frictional contact with the inverted U-shaped inner layer made of the rubber material during filling, so that the service life of the valve bag is prolonged, the valve bag can be repeatedly used for many times, and the annular cavity which is provided with the ribbon in a penetrating manner is arranged on the outer side of the channel on one side of the valve bag; and the bag opening of the filled valve bag can be conveniently sealed, and the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve bag technical field especially valve bag. BACKGROUND

[0002] Valve bag is a kind of special packaging bag, usually in the upper corner of bag opening has a valve insertion port, for connecting valve and carrying out material filling, commonly used for loading the material of powder texture, avoid splashing and leakage, however, the current valve bag lacks wear-resistant inner layer, valve bag is repeatedly used in the process, valve pipe long-term friction with the inner wall of valve bag can cause frosted easily, affect the service life of valve bag, in view of this, it is necessary to improve the current valve bag to solve the above problems;

[0003] The above information disclosed in the background section of this document merely to understand the background of the inventive concept, and therefore, it can include information that does not constitute the prior art. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a valve bag to solve the problem proposed in the background technical in the above.

[0005] In order to achieve the above purpose, the utility model has adopted the following technical scheme:

[0006] A valve bag, including bag body, passageway and inner layer, the upper part of bag body one side is provided with passageway, and the inside of passageway one end with bag body is through, and the other side of passageway is set as open mouth;

[0007] The upper part of the inner wall of the bag body is provided with a inverted U-shaped inner layer, which includes two vertical parts and an arc-shaped part, wherein the arc-shaped part of the inverted U-shaped inner layer is tightly attached to the bottom wall inside the bag body, and the two vertical parts of the inverted U-shaped inner layer are tightly attached to the upper part of the two sides of the inner wall of the bag body respectively.

[0008] In addition, the preferred structure is that the material of the inverted U-shaped inner layer is rubber, the thickness of the inverted U-shaped inner layer is 0.2mm-0.4mm, and the center axis of the inverted U-shaped inner layer and the center axis of the passageway are located on the same horizontal plane.

[0009] In addition, the preferred structure is that the middle part of the top end surface of the bag body is provided with a hand-held part.

[0010] In addition, the preferred structure is that the outer side of the passageway is symmetrically provided with an annular cavity, the annular cavity is symmetrically provided with an opening on one side, and a cable tie is arranged in the two openings of the annular cavity.

[0011] In addition, the preferred structure is that the material of the bag body and the passageway is any one of kraft paper material or paper-plastic composite material.

[0012] The utility model has the advantages that:

[0013] The utility model discloses a valve port bag, including bag body, channel, hand carrying part, the rubber material's inverted U -shaped inner layer is arranged in the bag body, the valve port pipe and the rubber material's inverted U -shaped inner layer friction contact when filling, prolongs the service life of valve port bag, and the valve port bag is repeatedly used for many times conveniently, and the annular cavity of the strap is also set up in the channel outside one side of valve port bag, and the bag mouth of the valve port bag that filling is completed is closed, and the use convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 A perspective view of a valve port bag is provided for the utility model;

[0015] Fig. 2 A structure schematic view of a valve port bag is provided for the utility model;

[0016] Fig. 3 A structure schematic view of inverted U -shaped inner layer in a valve port bag is provided for the utility model.

[0017] In the drawing: 11 bag body, 12 channel, 13 hand carrying part, 2 inverted U -shaped inner layer, 31 annular cavity, 32 opening, 2 strap. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0020] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0021] REFERENCE Figs. 1-3A valve bag, comprising a bag body 11, a channel 12 and an inner layer 2, the channel 12 is arranged on one side of the upper part of the bag body 11, one end of the channel 12 is through the inside of the bag body 11, and the other side of the channel 12 is arranged as an open mouth;

[0022] In other embodiments, a hand-holding part 13 is arranged in the middle of the top surface of the bag body 11;

[0023] Through the design, the hand-holding part 13 is arranged above the bag body 11, thereby facilitating the operator to take, place or carry the valve bag;

[0024] In other embodiments, the material of the bag body 11 and the channel 12 is any one of kraft paper material or paper-plastic composite material;

[0025] Through the design, the valve bag with kraft paper material or paper-plastic composite material has good moisture-proof and waterproof effect, and also has good mechanical properties and environmental protection;

[0026] In other embodiments, a ring-shaped cavity 31 is symmetrically arranged outside the channel 12, an opening 32 is symmetrically arranged on one side of the ring-shaped cavity 31, and a cable tie 4 is arranged in the two openings 32 of the ring-shaped cavity 31;

[0027] Through the design, the ring-shaped cavity 31 with the cable tie 4 arranged outside the channel 12 on one side of the valve bag can facilitate the bag opening closure of the valve bag after filling, thereby improving the use convenience;

[0028] The upper part of the inner wall of the bag body 11 is provided with a reverse U-shaped inner layer 2, the reverse U-shaped inner layer 2 comprises two vertical parts and an arc-shaped part, wherein the arc-shaped part of the reverse U-shaped inner layer 2 is tightly attached to the bottom wall inside the bag body 11, and the two vertical parts of the reverse U-shaped inner layer 2 are respectively tightly attached to the upper part of the two sides of the inner wall of the bag body 11;

[0029] In other embodiments, the material of the reverse U-shaped inner layer 2 is rubber, the thickness of the reverse U-shaped inner layer 2 is 0.2mm-0.4mm, and the center axis of the reverse U-shaped inner layer 2 and the center axis of the channel 12 are located on the same horizontal plane;

[0030] In this embodiment, the reverse U-shaped inner layer made of rubber is arranged inside the bag body, the valve port pipe is in frictional contact with the reverse U-shaped inner layer made of rubber during filling, thereby prolonging the service life of the valve bag, facilitating repeated use of the valve bag, and the ring-shaped cavity with the cable tie arranged outside the channel on one side of the valve bag facilitates the bag opening closure of the valve bag after filling, thereby improving the use convenience.

[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A valve port pocket comprising a pocket body (11), a passage (12) and an inner layer (2), characterized in that, One side of the upper part of the bag body (11) is provided with a channel (12), one end of the channel (12) is through the inside of the bag body (11), the other side of the channel (12) is provided as an open, the upper part of the inner wall of the bag body (11) is provided with a inverted U-shaped inner layer (2), the inverted U-shaped inner layer (2) includes two vertical parts and an arc part, wherein the arc part of the inverted U-shaped inner layer (2) is closely attached to the bottom wall inside the bag body (11), the two vertical parts of the inverted U-shaped inner layer (2) are closely attached to the upper part of the two sides of the inner wall of the bag body (11) respectively.

2. A valve pocket according to claim 1, wherein, The material of the inverted U-shaped inner layer (2) is rubber, the thickness of the inverted U-shaped inner layer (2) is 0.2mm-0.4mm, and the center axis of the inverted U-shaped inner layer (2) and the center axis of the channel (12) are located on the same horizontal plane.

3. The valve pocket of claim 1, wherein, The middle part of the top end surface of the bag body (11) is provided with a hand carrying part (13).

4. The valve pocket of claim 1, wherein, The outer side of the channel (12) is symmetrically provided with an annular cavity (31), one side of the annular cavity (31) is symmetrically provided with an opening (32), and a cable tie (4) is arranged in the two openings (32) of the annular cavity (31).

5. The valve pocket of claim 1, wherein, The material of the bag body (11) and the channel (12) is any one of kraft paper material or paper-plastic composite material.

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