Air valve for vacuum bag

Abstract

The utility model relates to the technical field of vacuum bag air valves, and discloses an air valve for a vacuum bag, which comprises a connecting support ring, a connecting mounting groove is arranged on the outer side of the connecting support ring, the bottom surface of the connecting support ring is fixedly connected with a bottom protection ring, and the top surface of the connecting support ring is fixedly connected with a top surface outer cover. An air exhaust positioning groove is formed in the top surface of the top surface outer cover, an air exhaust and deflation rotating table is slidably connected to the middle of the top surface of the top surface outer cover, a bottom sealing assembly is arranged in the connecting supporting ring, and an air exhaust and deflation driving assembly is arranged in the top surface outer cover; according to the air valve, the bottom sealing assembly is matched with the air pumping and deflating driving assembly, so that air pumping and deflating are completed through internal compression when the air valve carries out air pumping and deflating, the space required by air pumping and deflating is never shortened, the thickness is reduced, a large space is prevented from being occupied, and more convenient transportation and storage are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum bag air valve technical field, concretely is a kind of air valve for vacuum bag. BACKGROUND

[0002] Vacuum compression bag is generally provided with air valve to exhaust or exhaust, the air valve of prior art, using the air plug of up and down movement to open or close air inlet, after exhausting, using the cover of up and down rotation to compress air plug to realize sealing, to facilitate installation cover, need to set up the upper portion of the seat body on the upper convex cylinder structure, cover is installed on cylinder structure, such air valve exists overall height is larger, leading to the thickness of vacuum bag equipped with this air valve after folding storage is also larger, need to occupy larger space, inconvenient transportation and storage, need to be improved, for this, we propose a kind of air valve for vacuum bag. SUMMARY

[0003] (I) the technical problem solved

[0004] In view of the deficiencies of prior art, the utility model provides an air valve for vacuum bag, solves the above-mentioned problems.

[0005] (II) technical scheme

[0006] To realize the above-mentioned purposes, the utility model provides the following technical scheme:

[0007] An air valve for vacuum bag, including connecting support ring, the outer side of the connecting support ring is equipped with connecting installation slot, the bottom surface of the connecting support ring is fixedly connected with bottom protection ring, the top surface of the connecting support ring is fixedly connected with top surface outer cover, the top surface of the top surface outer cover is equipped with exhaust positioning slot, the top surface middle part of the top surface outer cover is slidably connected with exhaust gas rotating table, the inside of the connecting support ring is provided with bottom sealing assembly, the inside of the top surface outer cover is provided with exhaust gas driving assembly.

[0008] Preferably, the top surface middle part of the top surface outer cover is equipped with outer cover sliding hole, the inside of the outer cover sliding hole is provided with exhaust gas driving assembly, the top surface middle part of the connecting support ring is equipped with the installation fixed hole of penetrating bottom, the inside of the installation fixed hole is provided with bottom sealing assembly.

[0009] Preferably, the bottom sealing assembly comprises a sealing spring, a bottom gas extraction support sleeve, a middle support sealing table, an annular sealing ring and a fixed connection cover, the bottom surface of the connecting support ring is fixedly connected with the bottom gas extraction support sleeve, the inner bottom surface of the bottom gas extraction support sleeve is fixedly connected with the sealing spring, the top surface of the sealing spring is fixedly connected with the middle support sealing table, the inner side of the bottom gas extraction support sleeve is slidably connected with the middle support sealing table, the top surface of the middle support sealing table is provided with a sealing placement groove, the inner side of the sealing placement groove is fixedly connected with the annular sealing ring, the inner side of the mounting fixed hole is fixedly connected with the fixed connection cover, the bottom surface of the fixed connection cover is provided with a sealing groove, and the inner side of the sealing groove is fixedly connected with the annular sealing ring.

[0010] Preferably, the outer side of the bottom gas extraction support sleeve is provided with equidistantly distributed gas extraction bottom communication holes penetrating the inner side, the top surface of the middle support sealing table is provided with equidistantly distributed gas extraction middle communication holes, and the gas extraction middle communication holes and the gas extraction bottom communication holes are matched to complete gas extraction and gas release of the bottom sealing assembly.

[0011] Preferably, the top of the middle support sealing table and the inner side of the fixed connection cover are provided with a gas extraction and release driving assembly, and the top surface of the fixed connection cover is provided with a sliding strip-shaped groove penetrating the inside.

[0012] Preferably, the gas extraction and release driving assembly comprises a gas extraction and release rotating table and a return spring, the top surface of the middle support sealing table is fixedly connected with the return spring, the inner side of the fixed connection cover is slidably connected with the return spring, the inner side of the fixed connection cover is slidably connected with the gas extraction and release rotating table, the middle of the gas extraction and release rotating table is fixedly connected with a sliding strip block, the top surface of the fixed connection cover is slidably connected with the sliding strip block, the inner side of the outer cover sliding hole is slidably connected with the gas extraction and release rotating table, the top surface of the gas extraction and release rotating table is provided with equidistantly distributed gas extraction and release outer connection holes, and the top outer side of the gas extraction and release rotating table is fixedly connected with an anti-skid pattern.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses through the mutual cooperation between bottom sealing assembly and gas extraction and release driving assembly, makes the gas valve when carrying out the gas extraction and release, realizes the compression to the inside to complete the gas extraction and release, has reduced the interval required for the gas extraction and release, makes the thickness reduce, avoids occupying a large amount of space, has realized more convenient transportation and storage. ACCURACY OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 The whole structure is split schematic view of the utility model;

[0018] Figure 3 The whole structure is split schematic view of the utility model;

[0019] Figure 4 The whole structure is split schematic view of the utility model.

[0020] In the figure: 1, connecting support ring;2, connecting installation groove;3, bottom protection ring;4, top surface outer cover;5, exhaust positioning groove;6, exhaust gas rotary table;7, exhaust gas external hole;8, outer cover sliding hole;9, installation fixed hole;10, exhaust gas middle part communication hole;11, sealing spring;12, bottom exhaust gas support sleeve;13, exhaust gas bottom communication hole;14, middle part support sealing table;15, sealing placement groove;16, annular sealing ring;17, return spring;18, fixed connection cover;19, sliding bar groove;20, sliding bar block. DETAILED DESCRIPTION

[0021] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme;

[0023] A gas valve for vacuum bag, including connecting support ring 1, connecting installation groove 2 is opened in the outside of connecting support ring 1, the bottom of connecting support ring 1 is fixedly connected with bottom protection ring 3, the top of connecting support ring 1 is fixedly connected with top surface outer cover 4, the top of top surface outer cover 4 is provided with exhaust positioning groove 5, the top of top surface outer cover 4 is slidably connected with exhaust gas rotary table 6 in middle part, bottom sealing assembly is arranged in the inside of connecting support ring 1, exhaust gas driving assembly is arranged in the inside of top surface outer cover 4.

[0024] Further, the top of top surface outer cover 4 is provided with outer cover sliding hole 8 in middle part, exhaust gas driving assembly is arranged in the inside of outer cover sliding hole 8, installation fixed hole 9 is opened in the top of connecting support ring 1 and is communicated with bottom, bottom sealing assembly is arranged in the inside of installation fixed hole 9.

[0025] Further, the bottom sealing assembly comprises a sealing spring 11, a bottom air extraction support sleeve 12, a middle support sealing table 14, an annular sealing ring 16, and a fixed connection cover 18. The bottom surface of the connection support ring 1 is fixedly connected with the bottom air extraction support sleeve 12. The inner bottom surface of the bottom air extraction support sleeve 12 is fixedly connected with the sealing spring 11. The top surface of the sealing spring 11 is fixedly connected with the middle support sealing table 14. The inner side of the bottom air extraction support sleeve 12 is slidingly connected with the middle support sealing table 14. The top surface of the middle support sealing table 14 is provided with a sealing placement groove 15. The inner side of the sealing placement groove 15 is fixedly connected with the annular sealing ring 16. The inner side of the installation fixed hole 9 is fixedly connected with the fixed connection cover 18. The bottom surface of the fixed connection cover 18 is provided with a sealing groove. The inner side of the sealing groove is fixedly connected with the annular sealing ring 16. Through the action of the bottom sealing assembly, the bottom is self-locked and sealed. At the same time, through the compression air extraction and air release, the space is compressed and reduced.

[0026] Further, the outer side of the bottom air extraction support sleeve 12 is provided with air extraction bottom communication holes 13 which are equidistantly distributed and penetrate the inner side. The outer side of the top surface of the middle support sealing table 14 is provided with air extraction middle communication holes 10 which are equidistantly distributed. The air extraction middle communication holes 10 and the air extraction bottom communication holes 13 cooperate to complete the air extraction and air release of the bottom sealing assembly. Through the action between the air extraction middle communication holes 10 and the air extraction bottom communication holes 13, the internal and external communication during air extraction and air release is completed.

[0027] Further, the top of the middle support sealing table 14 and the inner side of the fixed connection cover 18 are provided with an air extraction driving assembly. The top surface of the fixed connection cover 18 is provided with a sliding strip-shaped groove 19 which penetrates the inside. Through the action of the sliding strip-shaped groove 19, the air extraction driving assembly can be self-locked during the air extraction.

[0028] Further, the air extraction driving assembly comprises an air extraction rotating table 6 and a return spring 17. The top surface of the middle support sealing table 14 is fixedly connected with the return spring 17. The inner side of the fixed connection cover 18 is slidingly connected with the return spring 17. The inner side of the fixed connection cover 18 is slidingly connected with the air extraction rotating table 6. The middle of the air extraction rotating table 6 is fixedly connected with a sliding strip block 20. The top surface of the fixed connection cover 18 is slidingly connected with the sliding strip block 20. The inner side of the outer cover sliding hole 8 is slidingly connected with the air extraction rotating table 6. The top surface of the air extraction rotating table 6 is provided with air extraction external holes 7 which are equidistantly distributed. The top outer side of the air extraction rotating table 6 is fixedly connected with anti-skid lines. Through the action of the air extraction driving assembly, the air extraction is realized quickly.

[0029] Working principle: when the utility model needs to be used, through bottom protection ring 3 and vacuum bag sealed connection, vacuum bag air valve fixed installation, when needing to the vacuum bag inside pumping, through rotating pumping rotation table 6, make sliding block 20 with sliding bar groove 19 corresponding, pumping pump completes positioning through pumping positioning groove 5, through pressing pumping pump to pumping rotation table 6 is pressed inward, through pumping rotation table 6 press down the middle support sealing platform 14, make the top surface annular sealing ring 16 of middle support sealing platform 14 and fixed connection cover 18 separate, simultaneously through the cooperation between pumping exhaust external hole 7, pumping exhaust middle communication hole 10, pumping exhaust bottom communication hole 13 and sliding bar groove 19, complete vacuum bag inside and pumping pump intercommunication, through pumping pump to the vacuum bag inside pumping, when pumping is completed, through the cooperation between sealing spring 11 and return spring 17 make middle support sealing platform 14 and pumping rotation table 6 automatic reset, complete the sealing of inside, when needing to exhaust, through rotating pumping rotation table 6 make sliding block 20 with sliding bar groove 19 relative, press pumping rotation table 6 make into fixed connection cover 18 the inside extrusion return spring 17 and middle support sealing platform 14, simultaneously rotating pumping rotation table 6 make pumping rotation table 6 form self-locking in fixed connection cover 18 inside cannot back off, simultaneously make middle support sealing platform 14 top surface sealing placement groove 15 and fixed connection cover 18 separate, to complete the exhaust of vacuum bag inside, when exhausting is completed, rotating pumping rotation table 6 make sliding block 20 with sliding bar groove 19 relative, through the effect between sealing spring 11 and pumping exhaust external hole 7 complete automatic reset.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gas valve for a vacuum bag comprising a connection support ring (1), characterized in that: The outer side of the connecting support ring (1) is provided with a connecting installation groove (2), the bottom surface of the connecting support ring (1) is fixedly connected with a bottom protection ring (3), the top surface of the connecting support ring (1) is fixedly connected with a top surface outer cover (4), the top surface of the top surface outer cover (4) is provided with an air extraction positioning groove (5), the top surface of the top surface outer cover (4) is slidably connected with an air extraction rotating table (6), the inside of the connecting support ring (1) is provided with a bottom sealing assembly, and the inside of the top surface outer cover (4) is provided with an air extraction driving assembly.

2. A gas valve for a vacuum bag according to claim 1, characterized in that: The top surface of the top surface outer cover (4) is provided with an outer cover sliding hole (8), the inside of the outer cover sliding hole (8) is provided with an air extraction driving assembly, the top surface of the connecting support ring (1) is provided with a penetrating bottom installation fixing hole (9), and the inside of the installation fixing hole (9) is provided with a bottom sealing assembly.

3. A gas valve for a vacuum bag according to claim 2, wherein: The bottom sealing assembly comprises a sealing spring (11), a bottom air extraction support sleeve (12), a middle support sealing table (14), an annular sealing ring (16) and a fixed connection cover (18), the bottom surface of the connecting support ring (1) is fixedly connected with the bottom air extraction support sleeve (12), the inside bottom surface of the bottom air extraction support sleeve (12) is fixedly connected with the sealing spring (11), the top surface of the sealing spring (11) is fixedly connected with the middle support sealing table (14), the inside of the bottom air extraction support sleeve (12) is slidably connected with the middle support sealing table (14), the top surface of the middle support sealing table (14) is provided with a sealing placement groove (15), the inside of the sealing placement groove (15) is fixedly connected with the annular sealing ring (16), the inside of the installation fixing hole (9) is fixedly connected with the fixed connection cover (18), the bottom surface of the fixed connection cover (18) is provided with a sealing groove, and the inside of the sealing groove is fixedly connected with the annular sealing ring (16).

4. A gas valve for a vacuum bag according to claim 3, wherein: The outside of the bottom air extraction support sleeve (12) is provided with air extraction bottom communication holes (13) penetrating the inside at equal intervals, the top surface of the middle support sealing table (14) is provided with air extraction middle communication holes (10) at equal intervals, and the air extraction middle communication holes (10) and the air extraction bottom communication holes (13) are matched to complete air extraction and air release of the bottom sealing assembly.

5. A gas valve for a vacuum bag according to claim 4, wherein: The top of the middle support sealing table (14) and the inside of the fixed connection cover (18) are provided with an air extraction driving assembly, and the top surface of the fixed connection cover (18) is provided with a sliding strip-shaped groove (19) penetrating the inside.

6. A gas valve for a vacuum bag according to claim 5, wherein: The said pumping gas drive assembly includes pumping gas rotating table (6), back spring (17), the top surface of the middle support sealing table (14) is fixedly connected with back spring (17), the inner side of the fixed connection cover (18) is slidably connected with back spring (17), the inner side of the fixed connection cover (18) is slidably connected with pumping gas rotating table (6), the middle part of the pumping gas rotating table (6) is fixedly connected with sliding block (20), the top surface of the fixed connection cover (18) is slidably connected with sliding block (20), the inner side of the outer cover sliding hole (8) is slidably connected with pumping gas rotating table (6), the top surface of the pumping gas rotating table (6) is provided with pumping gas external connection hole (7) distributed at equal intervals, the top outer side of the pumping gas rotating table (6) is fixedly connected with anti-skid lines.

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