Moisture-proof valve bag

By introducing venting and connecting components into the valve bag, the problem of material getting damp during the gas filling process is solved, achieving a highly efficient moisture-proof effect and ensuring that the material is not lost.

CN223673246UActive Publication Date: 2025-12-16SHENZHEN TONGYING PAPER BAG CO LTD
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Patent Information

Application Number
CN202423177614.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-16
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

During the inflation and filling process, high-humidity air enters the bag along with the material, causing the material to become damp, and some air cannot escape, resulting in unpredictable losses.

Method used

A moisture-proof valve bag was designed, which uses an exhaust assembly including an air intake pipe, an air bladder, a spring and a one-way door. High humidity air is drawn out by the air bladder and spring, and the one-way door prevents air backflow. Combined with the connecting assembly, high humidity air is prevented from entering.

Benefits of technology

It effectively removes high-humidity air from the valve bag, preventing the material from getting damp, improving the moisture-proof effect of the valve bag, and ensuring that the material is not lost.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223673246U_ABST
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Abstract

The utility model discloses a moisture-proof valve bag which comprises a bag body, a cover plate and an exhaust pipe, an exhaust assembly is arranged on the top of the bag body, and a connecting assembly is arranged in the exhaust pipe. The exhaust assembly comprises an air suction pipe arranged in the exhaust pipe, the outer surface of the air suction pipe is sleeved with a sealing ring, a connecting block is fixedly installed on the outer surface of the air suction pipe, a connecting column is fixedly installed at the bottom of the connecting block, exhaust plates are fixedly installed at one end of the air suction pipe, an air bag is fixedly installed between the exhaust plates, and a first spring is fixedly installed between the exhaust plates. A first notch is formed in one side of the exhaust plate. According to the exhaust assembly, high-humidity air in the valve bag can be completely pumped out through the air bag and the first spring, the situation that in the exhaust process of the valve bag, suction force is generated, so that part of high-humidity air cannot be exhausted, and materials are affected with damp is avoided, and therefore the damp-proof effect of the valve bag is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to valve port bag technical field, concretely relates to a moistureproof valve port bag. BACKGROUND

[0002] Valve port bags are widely used in chemical industry, construction and other fields. Generally, the process of filling with air is adopted, and after the material and air are injected into the valve port bag, the air in the valve port bag needs to be discharged from the exhaust hole. If the air in the environment has high humidity, the air with high humidity will enter the valve port bag together with the material, resulting in an increase in the moisture in the valve port bag.

[0003] Generally, when filling the material in the valve port bag, the material can only occupy most of the space in the valve port bag, so that the air with high humidity in the valve port bag cannot be discharged, resulting in the material in the valve port bag being dampened, and the material suffering unpredictable loss. It is urgent to design a moistureproof valve port bag to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a moistureproof valve port bag to solve the above problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A moistureproof valve port bag, comprising a bag body, a cover plate and an exhaust pipe, wherein the bag body is provided with an exhaust assembly at the top, and the exhaust pipe is provided with a connecting assembly inside;

[0007] The exhaust assembly comprises a suction pipe provided in the exhaust pipe, a sealing ring is sleeved on the outer surface of the suction pipe, a connecting block is fixedly installed on the outer surface of the suction pipe, a connecting column is fixedly installed at the bottom of the connecting block, an exhaust plate is fixedly installed at one end of the suction pipe, an air bag is fixedly installed between the exhaust plates, and a first spring is fixedly installed between the exhaust plates.

[0008] The exhaust assembly can completely extract the air with high humidity in the valve port bag through the air bag and the first spring, so that the situation that the material is dampened due to the suction force generated during the exhaust process of the valve port bag and the air with high humidity cannot be discharged is prevented, and the moistureproof effect of the valve port bag is improved.

[0009] Preferably, a first notch is formed in one side of the exhaust plate, and a one-way door is rotatably installed in the first notch.

[0010] Preferably, a second notch is formed in one side of the exhaust plate, an exhaust frame is fixedly installed on one side of the exhaust plate, a first baffle is slidably installed in the exhaust frame, a second baffle is fixedly installed in the exhaust frame, and a second spring is fixedly installed between the first baffle and the second baffle.

[0011] Preferably, the cover plate is arranged on the top of the bag body, and the exhaust pipe is arranged on the top of the bag body.

[0012] Preferably, the connecting assembly comprises a limiting ring, a limiting plate, a connecting plate and a tension spring, the limiting ring is fixedly installed in the exhaust pipe, a third notch is formed in the top of the limiting ring, a groove is formed in one side of the exhaust pipe, the limiting plate is slidably installed in the groove, and a circular groove is formed in the top of the limiting ring.

[0013] Preferably, the connecting plate is fixedly installed on the top of the limiting plate, and the tension spring is fixedly installed between the connecting plate and the exhaust pipe.

[0014] In the above technical solution, the moisture-proof valve port bag has the following beneficial effects:

[0015] 1. The exhaust assembly can completely exhaust the high-humidity air in the valve port bag through the air bag and the first spring, thereby preventing the suction force generated during the exhaust process of the valve port bag, preventing the high-humidity air from being unable to be exhausted and causing the material to be damp, and increasing the moisture-proof effect of the valve port bag.

[0016] 2. The one-way door can one-way limit the high-humidity air in the air bag, thereby preventing the high-humidity air from flowing back.

[0017] 3. The connecting assembly can prevent the high-humidity air from entering the valve port bag, and does not affect the exhaust of the exhaust assembly, thereby improving the moisture-proof effect of the valve port bag. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0019] Figure 1 The moisture-proof valve port bag structure schematic diagram provided by the moisture-proof valve port bag embodiment of the present application.

[0020] Figure 2 The moisture-proof valve port bag cross-sectional structure schematic diagram provided by the moisture-proof valve port bag embodiment of the present application.

[0021] Figure 3 The exhaust assembly structure schematic diagram provided by the moisture-proof valve port bag embodiment of the present application.

[0022] Figure 4 The connecting assembly structure schematic diagram provided by the moisture-proof valve port bag embodiment of the present application.

[0023] 1, bag body; 2, cover plate; 3, exhaust pipe; 4, exhaust assembly; 5, connecting assembly; 6, suction pipe; 7, sealing ring; 8, connecting block; 9, connecting column; 10, exhaust plate; 11, air bag; 12, first spring; 13, first notch; 14, one-way door; 15, second notch; 16, exhaust frame; 17, first baffle; 18, second baffle; 19, second spring; 20, limiting ring; 21, limiting plate; 22, connecting plate; 23, tension spring; 24, third notch; 25, groove; 26, round groove. DETAILED DESCRIPTION

[0024] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0025] As Figures 1-4 shown, the utility model embodiment provides a kind of moisture-proof valve bag, including bag body 1, cover plate 2 and exhaust pipe 3, bag body 1 top is provided with exhaust assembly 4, connecting assembly 5 is set in exhaust pipe 3;Exhaust assembly 4 includes the suction pipe 6 being set in exhaust pipe 3, sealing ring 7 is set on the outer surface of suction pipe 6, connecting block 8 is fixedly installed on the outer surface of suction pipe 6, connecting column 9 is fixedly installed in the bottom of connecting block 8, exhaust plate 10 is fixedly installed in one end of suction pipe 6, air bag 11 is fixedly installed between exhaust plate 10, first spring 12 is fixedly installed between exhaust plate 10, air bag 11 is extruded to exhaust plate 10 by hand, exhaust plate 10 is extruded to air bag 11 and first spring 12, so that gas is discharged from second notch 15, first spring 12 is extruded to exhaust plate 10, so that exhaust plate 10 drives air bag 11 to reset, air bag 11 is inhaled into air bag 11 by exhaust pipe 3, suction pipe 6 and one-way door 14 with the gas in bag body 1, referring to the above steps, air bag 11 completely discharges the gas in bag body 1, after the gas in bag body 1 is completely discharged, referring to the above steps, exhaust plate 10 is moved by suction pipe 6, connecting block 8 and connecting column 9 drive limiting plate 21, tension spring 23 is pulled to limiting plate 21, so that limiting plate 21 is limited to exhaust pipe 3, connecting column 9 is extracted from round groove 26 with exhaust plate 10, connecting block 8 is extracted from third notch 24, and suction pipe 6 is extracted from exhaust pipe 3.

[0026] Exhaust assembly 4 can completely extract the high-humidity air in valve bag through air bag 11 and first spring 12, so as to prevent suction force from being generated during the exhaust process of valve bag, cause part of high-humidity air to be unable to be discharged, and cause material to be damp, thereby increasing the moisture-proof effect of valve bag.

[0027] Refer to Figure 3The exhaust plate 10 of the embodiment is provided with a first notch 13 on one side, and a one-way door 14 is rotatably installed in the first notch 13.

[0028] The one-way door 14 can one-way limit the high-humidity air in the air bag 11, thereby preventing the high-humidity air from flowing back.

[0029] The exhaust plate 10 is provided with a second notch 15 on one side, and an exhaust frame 16 is fixedly installed on one side of the exhaust plate 10. A first baffle 17 is slidably installed in the exhaust frame 16, a second baffle 18 is fixedly installed in the exhaust frame 16, and a second spring 19 is fixedly installed between the first baffle 17 and the second baffle 18.

[0030] Referring to Figure 2 The cover plate 2 of the embodiment is arranged on the top of the bag body 1, and the exhaust pipe 3 is arranged on the top of the bag body 1.

[0031] Referring to Figure 4 The connecting assembly 5 of the embodiment includes a limiting ring 20, a limiting plate 21, a connecting plate 22, and a tension spring 23. The limiting ring 20 is fixedly installed in the exhaust pipe 3, and a third notch 24 is arranged on the top of the limiting ring 20. A groove 25 is arranged on one side of the exhaust pipe 3, and the limiting plate 21 is slidably installed in the groove 25. A circular groove 26 is arranged on the top of the limiting ring 20. The material is poured into the bag body 1 from the cover plate 2, and the bag body 1 is sealed by using the cover plate 2. The air suction pipe 6 is inserted into the exhaust pipe 3 by holding the exhaust plate 10, so that the connecting block 8 passes through the third notch 24, the connecting column 9 is inserted into the circular groove 26, the sealing ring 7 seals the exhaust pipe 3, the limiting plate 21 is moved by rotating the exhaust plate 10 through the air suction pipe 6, the connecting block 8, and the connecting column 9, the limiting plate 21 stretches the tension spring 23, the connecting block 8 limits the air suction pipe 6, and the limiting plate 21 releases the limiting of the exhaust pipe 3.

[0032] The connecting assembly 5 can prevent the high-humidity air from entering the valve bag while not affecting the exhaust of the exhaust assembly, thereby improving the moisture-proof effect of the valve bag.

[0033] The connecting plate 22 is fixedly installed on the top of the limiting plate 21, and the tension spring 23 is fixedly installed between the connecting plate 22 and the exhaust pipe 3.

[0034] Working principle: first, the material is poured into the bag 1 from the cover plate 2, and the bag 1 is sealed by using the cover plate 2, the air suction pipe 6 is inserted into the exhaust pipe 3 by holding the exhaust plate 10, the connecting block 8 passes through the third slot 24, the connecting column 9 is inserted into the circular groove 26, the sealing ring 7 seals the exhaust pipe 3, the exhaust plate 10 is rotated to drive the limiting plate 21 to move through the air suction pipe 6, the connecting block 8 and the connecting column 9, the limiting plate 21 stretches the tension spring 23, the connecting block 8 limits the air suction pipe 6, the limiting plate 21 releases the limiting of the exhaust pipe 3, the air bag 11 is held and the exhaust plate 10 is extruded, the exhaust plate 10 extrudes the air bag 11 and the first spring 12, the gas is discharged from the second slot 15, the exhaust plate 10 is released, the first spring 12 extrudes the exhaust plate 10, the exhaust plate 10 drives the air bag 11 to reset, the air bag 11 sucks the gas in the bag 1 into the air bag 11 through the exhaust pipe 3, the air suction pipe 6 and the one-way door 14, the above steps are referred to, the air bag 11 completely discharges the gas in the bag 1, after the gas in the bag 1 is completely discharged, the above steps are referred to, the exhaust plate 10 is rotated to drive the limiting plate 21 to move through the air suction pipe 6, the connecting block 8 and the connecting column 9, the limiting plate 21 is pulled by the tension spring 23, the limiting plate 21 limits the exhaust pipe 3, the connecting column 9 is pulled out of the circular groove 26, the connecting block 8 is pulled out of the third slot 24, and the air suction pipe 6 is pulled out of the exhaust pipe 3.

[0035] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A moisture-proof valve bag comprising a bag body (1), a cover plate (2) and a vent pipe (3), characterized in that, The bag body (1) top is provided with exhaust assembly (4), the exhaust pipe (3) is provided with connecting assembly (5) in. The exhaust assembly (4) includes the suction pipe (6) arranged in the exhaust pipe (3), the suction pipe (6) outer surface is sleeved with sealing ring (7), the suction pipe (6) outer surface is fixedly installed with connecting block (8), the connecting block (8) bottom is fixedly installed with connecting column (9), the suction pipe (6) one end is fixedly installed with exhaust plate (10), the exhaust plate (10) between fixedly installed with air bag (11), the exhaust plate (10) between fixedly installed with first spring (12).

2. The moisture resistant valve bag of claim 1, wherein, The exhaust plate (10) one side is provided with first notch (13), the first notch (13) is rotatably installed with one-way door (14).

3. The moisture resistant valve bag of claim 1, wherein, The exhaust plate (10) one side is provided with second notch (15), the exhaust plate (10) one side is fixedly installed with exhaust frame (16), the exhaust frame (16) is slidably installed with first baffle (17), the exhaust frame (16) is fixedly installed with second baffle (18), the first baffle (17) and the second baffle (18) between fixedly installed with second spring (19).

4. The moisture resistant valve bag of claim 1, wherein, The cover plate (2) is arranged on the top of the bag body (1), and the exhaust pipe (3) is arranged on the top of the bag body (1).

5. The moisture resistant valve bag of claim 1, wherein, The connecting assembly (5) includes limiting ring (20), limiting plate (21), connecting plate (22) and tension spring (23), the limiting ring (20) is fixedly installed in the exhaust pipe (3), the limiting ring (20) top is provided with third notch (24), the exhaust pipe (3) one side is provided with recess (25), the limiting plate (21) is slidably installed in the recess (25), the limiting ring (20) top is provided with circular groove (26).

6. The moisture resistant valve bag of claim 5, wherein, The connecting plate (22) is fixedly installed on the top of the limiting plate (21), and the tension spring (23) is fixedly installed between the connecting plate (22) and the exhaust pipe (3).