CN214029938U

CN214029938U - Compressed bag air valve

Info

Publication number: CN214029938U
Application number: CN202022673974.XU
Authority: CN
Inventors: 黄吴锋
Original assignee: Ningbo Changyuan Plastic Products Co ltd
Current assignee: Ningbo Changyuan Plastic Products Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-24
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a compression bag pneumatic valve, include: the air valve comprises a valve seat, an air outlet hole arranged on the valve seat, a sealing groove surrounding the air outlet hole, a fixing ring fixed on the valve seat and surrounding the sealing groove, a valve cover provided with the air outlet hole, a pressing convex part arranged on the valve cover and corresponding to the sealing groove, an air plug cavity arranged between the valve seat and the valve cover, and an air plug sheet arranged in the air plug cavity and used for realizing sealing; the utility model discloses it is sealed effectual, with low costs, the stability in use is high, of high quality.

Description

Compressed bag air valve

Technical Field

The utility model relates to the field of machinary, especially a compression bag pneumatic valve.

Background

The compressed bag for storing clothes in daily life is one vacuum bag with sucking pump or manual bag to exhaust air from the bag to isolate the stored articles from outside and to prevent mildew, and the compressed bag can be used to compress stored clothes and quilt cover. For making things convenient for bleeding of compression bag, can set up the pneumatic valve on the compression bag usually, current compression bag pneumatic valve includes the disk seat, with the separable valve gap of disk seat, be equipped with the air lock chamber on the disk seat, the air lock intracavity holds the air lock piece that is used for opening and shutting air lock chamber bottom venthole that can reciprocate, be equipped with the gas vent on the valve gap, air lock piece upward movement opens the venthole of air lock chamber bottom and releases gas in with the compression bag and discharge through the gas vent on the valve gap when exhausting, thereby the back air lock that finishes prevents gas entering compression bag with the venthole closure of air lock chamber bottom, the completion operation.

The air valve of the compression bag can effectively prevent fleas, mould, moisture, oxidation and the like, so that clothes can be stored cleanly, and the sealing effect is the key point. The air valve sealing effect of the existing compression bag in the market is not ideal, and the problems of air leakage and the like exist, while the air plug with good sealing effect is a solid spherical air plug, so that the sealing effect is good, but the cost is high, and the market competitiveness is low. And a large gap is reserved between the cover and the raised ring on the valve seat, so that the cover can deform and fall off the base as soon as the position is pressed, and the defective rate is increased. Therefore, there is a need in the market for a compression bag air valve that has a good sealing effect and low cost, and prevents the cover from falling off the base, and the structure of the existing air plug needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a compression bag pneumatic valve, it is sealed effectual, with low costs, rational in infrastructure, and stability in use is high, of high quality to the not enough of above-mentioned prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

a compression bag air valve comprising: the valve seat sets up the venthole on the disk seat, encircles the sealed recess of venthole, is fixed in on the disk seat and encircles the retainer plate of sealed recess, is equipped with the valve gap of venthole, sets up in the valve gap and corresponding to the protruding portion that compresses tightly of sealed recess, sets up the air lock chamber between disk seat and valve gap, sets up in the air lock intracavity and realizes sealed air lock piece.

The compressed bag air valve further comprises: locate the protruding bearing portion of retainer plate outer wall.

In the compression bag air valve, the air plug piece is provided with the air plug clamping piece, and the inner wall of the fixing ring is provided with the guide clamping piece corresponding to the air plug clamping piece.

The compressed bag air valve further comprises: the fixture block is arranged on the valve cover, the rotary groove is arranged on the fixing ring and used for the fixture block to slide, and the limiting component is arranged in the rotary groove and used for limiting the fixture block.

In the air valve for compression bag, the limiting component comprises a locking separation barrier arranged at the lower position of the spiral groove.

In the air valve for compression bag, the limiting component comprises an anti-convolution partition arranged at the high position of the rotary groove.

In the compression bag air valve, the spiral groove is provided with a plurality of spiral grooves which are arranged at intervals in the circumferential position of the fixing ring.

In the compression bag air valve, the rotary grooves are circumferentially and symmetrically arranged on the fixing ring.

The compressed bag air valve further comprises: and the barrier strips are arranged in the air outlet holes.

The air valve of the compression bag is provided with an air vent in the rotary groove.

In the compression bag air valve, the inner wall of the fixing ring is provided with a plurality of axially extending guide convex ribs, and the air plug piece can move up and down along the guide convex ribs.

The utility model discloses an useful part lies in:

the utility model can realize good sealing effect and low cost by matching the air plug piece, the compression convex part and the sealing groove; in the air outlet hole, a barrier strip is added to prevent the air plug sheet from sinking inwards, so that the air plug sheet keeps flat and smooth, and the sealing property and the stability are improved;

the outer wall of the fixed ring is provided with a convex bearing part which can support the valve cover, so that the valve cover is not easy to deform and fall off; the normal movement of the air plug piece in the air plug cavity can be ensured by the matching of the air plug clamping piece and the guide clamping piece; the locking partition, the anti-convolution partition and other structures also have better technical effects;

the inner wall of retainer plate is equipped with many axial extension's protruding muscle of direction, can give the accurate stable location and the direction of air plug piece, ensures that the air plug piece slides in the retainer plate steadily.

Drawings

Fig. 1 is a schematic view of a split structure of an embodiment of the present invention;

fig. 2 is a schematic perspective view of an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 4 is a schematic structural view of an embodiment of the valve cover of the present invention;

fig. 5 is a schematic structural diagram of an embodiment of the valve seat and retainer ring of the present invention.

The meaning of the reference symbols in the figures:

the gas valve comprises a valve seat 1, a gas outlet hole 2, a sealing groove 3, a fixing ring 4, a valve cover 5, a compression convex part 6, a gas plug cavity 7, a gas plug piece 8, a convex structure 9, a guide groove 901, a convex bearing part 902, a vent hole 10, a blocking strip 11, a circling-proof blocking bar 12, a clamping block 13, a rotary groove 14, a tight locking blocking bar 15 and a guide convex rib 16.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the compression bag air valve comprises: valve seat 1 that can fix on the compression bag, set up venthole 2 on valve seat 1, encircle sealed recess 3 of venthole 2, be fixed in on the valve seat 1 and encircle the retainer plate 4 of sealed recess 3, locate the valve gap 5 that has venthole 2 on the retainer plate 4, set up under valve gap 5 and corresponding to the convex part 6 that compresses tightly of sealed recess 3, set up the gas plug chamber 7 between valve seat 1 and valve gap 5, set up in gas plug chamber 7 and realize sealed gas plug piece 8, the locking Assembly who sets up on retainer plate 4 and valve gap 5 is used for locking valve gap 5 on valve seat 1, set up the spacer strip 11 in venthole 2. The pressing convex part 6 is integrally formed with the valve cover 5, is arranged below the valve cover 5 and extends towards the sealing groove 3 to align and press the sealing groove 3; the fixing ring 4 protrudes upwards from the valve seat 1 to form a cylindrical structure, the valve cover 5 can be connected and fastened on the valve seat through the fixing ring 4 and the locking assembly, and an inner space surrounded by the fixing ring 4 can form an air plug cavity for air supply of the air plug piece 8 to move in the air plug cavity for opening and closing the air outlet hole.

The shape of the sealing groove 3 is not limited, and as an embodiment, the sealing groove 3 is an annular groove, and the end of the pressing convex part is a circular ring shape matched with the sealing groove 3; as another example, the sealing groove 3 is an arc-shaped groove and has a plurality of pieces, and the end of the pressing protrusion is an arc shape fitting the sealing groove 3.

As shown in fig. 3, a state diagram when the valve cover 5 is locked on the valve seat 1 is given, at this time, the air plug piece 8 closes the air outlet 2 to realize sealing, the compression convex part 6 arranged on the valve cover 5 compresses the air plug piece 8 and enables the local compression deformation of the air plug piece 8 to be embedded into the sealing groove 3 to achieve better sealing effect, the sealing groove 3 and the compression convex part 6 are correspondingly matched in shape and position, and the compression convex part 6 can be just aligned with the sealing groove 3; the utility model can realize better sealing effect and save cost by matching the sealing groove 3, the pressing convex part and the air plug piece 8; as an example, the manufacturing process of the air plug sheet 8 is stamping, not the usual extrusion molding; the material is rubber or other flexible material. Cost savings can be achieved both in structural design and in the manufacturing process.

Because the air plug piece 8 is usually made of flexible materials, after the air is exhausted, the air plug piece 8 is sucked into the air outlet under the action of pressure difference, the periphery of the air plug piece 8 is tilted, so that air leakage is easy, and as an improvement, a baffle strip 11 is arranged in the air outlet, and the air outlet prevents the air plug piece 8 from sinking into the air outlet 2, so that the air plug piece is kept flat. Of course, air holes are formed between the barrier ribs 11 to ensure that air passes through to block the air plug sheet from being sucked inward to keep the air plug sheet in a flat state, so that the sealing effect is good.

As shown in fig. 1, when the air plug sheet 8 moves up and down in the air plug cavity 7, in order to guide the air plug sheet 8, the air plug sheet 8 is provided with an air plug clamping piece, and the inner wall of the fixing ring is provided with a guide clamping piece corresponding to the air plug clamping piece. The air plug clamping piece and the guide clamping piece can be in clamping fit, and the air plug piece can move up and down along the guide clamping piece to close or open the air outlet hole 2.

The form of the clamping piece is not limited, as an embodiment, the air plug piece 8 is provided with a notch, the inner wall of the fixed ring 4 is provided with a guide protruding part corresponding to the notch, and the air plug piece 8 is clamped with the guide protruding part through the notch to move up and down in the air plug cavity; as another embodiment of the clamping member, the edge of the air plug piece 8 is provided with two protrusions, preferably symmetrically arranged, the inner wall of the fixing ring 4 is correspondingly provided with two guide grooves 901, and the protrusions of the air plug piece 8 are clamped into the guide grooves 901 and can move up and down, thereby playing a clamping guide role as well. As another kind of air lock piece direction mode, can be equipped with many axial (also be the axis direction of base venthole) the direction protruding muscle 16 that extends at the inner wall of retainer plate 4, also correspond to set up the joint recess corresponding to direction protruding muscle 16 on the air lock piece 8, the shape of air lock piece 8 can set up to circular or square etc. and the shape that the protruding muscle 16 that leads matches, after the joint recess with air lock piece 8 corresponds the protruding muscle of direction and places, air lock piece 8 can reciprocate along direction protruding muscle 16, thereby realize stable positioning and direction.

As shown in fig. 1, 4 and 5, the locking assembly includes a fixture block 13 fixed on the valve cap 5, a spiral groove 14 fixed on the fixing ring 4 and used for the fixture block 13 to slide, and an exhaust hole 10 is arranged in the spiral groove 14, so that air can also circulate through the exhaust hole, and the air permeability is increased. The exhaust holes 10 can be round holes, and preferably strip-shaped exhaust holes which are consistent with the inclination of the spiral grooves 14 are adopted; and a limiting component which is arranged in the spiral groove 14 and limits the fixture block 13. The spacing part includes: a locking separation stop 15 arranged at the low position of the rotary groove 14 and an anti-rotary separation stop arranged at the high position of the rotary groove 14. The spiral groove 14 is inclined to the horizontal direction, and has a high position and a low position, so that the valve cover 5 is locked on the valve seat 1 or the valve cover 5 is released by sliding the fixture block 13 in the spiral groove 14. After the fixture block 13 slides downwards to cross the locking partition 15, the valve cover 5 is locked on the fixing ring 4, the locking partition 15 can prevent the valve cover 5 from loosening and air leakage, the air outlet hole 2 is closed by the air plug piece 8 at the moment, and the blocking hand feeling when the fixture block 13 crosses the locking partition 15 can prompt an operator to perceive that the valve cover 5 is locked in place. In practical operation, after the fixture block 13 slides upwards to cross the anti-convolution partition 12, the valve cover 5 is loosened, the air outlet hole 2 can be opened at the moment, and the anti-convolution partition 12 can effectively prevent the loosened valve cover 5 from circling downwards, so that the air outlet hole 2 is effectively prevented from being closed to influence air exhaust or air intake, and the stable performance of the air valve is realized; and the clamping hand feeling of the clamping block 13 when the clamping block passes over the anti-convolution partition 12 can prompt an operator to perceive that the valve cover 5 is completely loosened in place, and the air valve is in the optimal ventilation state. The spiral grooves 14 are arranged at intervals on the circumferential position of the fixed ring 4; and, the spiral groove circumference symmetry sets up on retainer plate 4, and this kind of structure can be more reasonable. When the spiral groove 14 is two, it is symmetrically arranged in the circumferential direction; when the number of the spiral grooves 14 is three, the spiral grooves are symmetrically distributed at three points in the circumferential direction, and the included angle between the spiral grooves is 120 degrees. As an embodiment, two spiral grooves 14 are symmetrically arranged on the fixing ring 4 in the circumferential direction, and two corresponding clamping blocks 13 are arranged; as an embodiment, there are a plurality of spiral grooves 14 uniformly spaced on the fixing ring 4, and there are a plurality of latches 13.

As shown in fig. 1, two protruding bearing portions 902 are disposed on the outer wall of the fixing ring 4, and the two protruding bearing portions 902 are symmetrically disposed on the peripheral wall of the fixing ring 4 and located at the gap between the two spiral grooves 14. When the valve cover 5 is screwed on the valve seat 1, when the valve cover between the two spiral grooves 14 is pressed, the convex bearing part 902 can play a supporting role on the valve cover to prevent the valve cover 5 from being deformed and loosened from the valve seat 1. Usually, the valve cover 5 and the valve seat 1 are connected and fixed together by means of locking components such as threads, spiral grooves, or hooks, clamping blocks, clamping grooves, etc., and some parts of these locking components, such as half threads, are arranged on the outer wall of the fixing ring at intervals and protrude out of the outer wall of the fixing ring, so that after the valve cover is screwed on the fixing ring, a gap exists between the locking components arranged at intervals, when the valve cover part corresponding to the gap part is extruded by external force in production or use, the valve cover 5 is easy to deform and fall off from the valve seat 1, and the protruding bearing part 902 has the function of supporting the valve cover when the valve cover of the gap part is pressed, so that the valve cover is not easy to deform and fall off.

The utility model provides a compression bag lid stopper, not only sealed effectual, with low costs, and the stability in use is high, of high quality.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A compression bag gas valve, comprising: the valve seat sets up the venthole on the disk seat, encircles the sealed recess of venthole is fixed in on the disk seat and encircles the retainer plate of sealed recess, is equipped with the valve gap of venthole, sets up in the valve gap and corresponding to the protruding portion that compresses tightly of sealed recess, sets up the air lock chamber between disk seat and valve gap, sets up in the air lock intracavity and realizes sealed air lock piece.

2. The compression bag gas valve as claimed in claim 1, further comprising: and the convex bearing part is arranged on the outer wall of the fixed ring.

3. The compression bag air valve as claimed in claim 1, wherein the air plug piece is provided with an air plug clamping member, and the inner wall of the fixing ring is provided with a guide clamping member corresponding to the air plug clamping member.

4. The compression bag gas valve as claimed in claim 1, further comprising: the fixture block is arranged on the valve cover, the rotary groove is arranged on the fixing ring and used for the fixture block to slide, and the limiting component is arranged in the rotary groove and used for limiting the fixture block.

5. A compression bag air valve as claimed in claim 4 wherein the retention means comprises a locking barrier located at the low position of the spiral groove.

6. A compression bag air valve as claimed in claim 4 wherein the stop means comprises an anti-backspin stop located at the high position of the spin groove.

7. A compression bag air valve as claimed in any one of claims 4 to 6 wherein the spiral groove is provided in a plurality of spaced circumferential positions on the retainer ring.

8. The compression bag air valve as claimed in claim 7, wherein the spiral grooves are circumferentially symmetrically arranged on the fixed ring.

9. The compression bag gas valve as claimed in claim 1, further comprising: and the barrier strips are arranged in the air outlet holes.

10. A compression bag air valve as claimed in claim 4 wherein the spiral groove is provided with an air vent.

11. A compression bag air valve as claimed in claim 1 wherein the inner wall of the retainer ring is provided with a plurality of axially extending guide ribs along which the air-blocking member is movable up and down.