CN217634067U - Vacuum bag pumping and filling integrated valve - Google Patents

Abstract

The utility model discloses a vacuum bag takes out and fills integrative valve, which comprises a valve body, the valve gap, the gas vent sealing member, air inlet sealing member and spring, the valve body includes the valve disc, connect the screw thread, valve leaf and spring mount pad, it has the air inlet to open on the valve disc, the gas vent sealing member is located the gas vent, the valve gap connects soon and presses on the gas vent sealing member when connecting the screw thread, the valve leaf top surface that the valve disc lower surface was arranged with the multi-disc interval meets, the inboard edge of valve leaf encloses into the tube-shape space that is located the air inlet below, the tube-shape space lower part is equipped with the spring mount pad, spring mount pad center is equipped with the recess, the spring is erected and is put in the recess, the air inlet below that the air inlet sealing member is located the valve disc, its roof shutoff air inlet, the post cartridge of below is in the section of thick bamboo of spring. The valve has simple and compact structure, the air inlet and the air outlet are positioned on the same valve body, the valve body has small volume, and the air inlet and the air exhaust tightness of the vacuum bag are ensured.

Description

Vacuum bag pumping and filling integrated valve

Technical Field

The utility model relates to the field of packaging, more specifically says, it relates to a vacuum bag takes out and fills integrative valve.

Background

The vacuum compression bag is a bag which is compressed naturally by pumping air out and making atmospheric pressure. Is mainly used for a bag for containing quilts, various clothes, food and the like. The vacuum compression bag has the characteristics of moisture resistance, mildew resistance, moth resistance, peculiar smell resistance and the like. Vacuum in the bag is generally air-free, but complete vacuum cannot be achieved in fact, so that small food packages or high-precision instruments can be flushed with inert gas to prevent oxidation; some foods are easy to be damaged by pressure after being vacuumized, and inert gas can be filled into the bags to expand the bags; in addition, in order to improve the freshness and the activity of the seafood and fish in the transportation process, the seafood and fish must be refrigerated and transported in the past, and if oxygen is filled into the vacuum bag, the seafood and fish can be transported in living bodies, so that the freshness and the activity of the seafood and fish are ensured. However, in general situations, the self-sealing valve only has a single channel for exhausting or inflating, and air sealing is difficult to ensure; some valves with split structure for inflation and exhaust are also available, but the valve has complex structure and larger volume, and the invention name is 'air valve for dual purposes of pumping and inflating and vacuum storage bag' (publication number: CN 113833878A).

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a vacuum bag that solves above-mentioned problem takes out and fills integrative valve, compact respectively on the monomer open exhaust, gas channel, mutual noninterference, simple structure guarantees the storage effect of article.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the vacuum bag pumping and filling integrated valve comprises a valve body, a valve cover, an exhaust port sealing element, an air inlet sealing element and a spring, wherein the valve body comprises a valve disc, a connecting screw, a valve leaf and a spring mounting seat, an air inlet is formed in the center of the valve disc, an exhaust port is formed in the outer ring concentric with the air inlet, the outer side of the exhaust port on the upper surface of the valve disc is connected with a convex connecting screw, the annular exhaust port sealing element is positioned on an exhaust port, the valve cover comprises an annular top surface, a screwing wall connected with the outer side of a ring below the top surface and a pressure pad wall connected with the inner side of the ring, the screwing wall is screwed with the connecting screw, the bottom surface of the pressure pad wall is pressed on the exhaust port sealing element, the lower surface of the valve leaf is connected with the top surface of the valve leaf, the valve leaf is axially arranged at intervals by taking the air inlet as the center, a cylindrical space positioned below the air inlet is enclosed by the inner side of the plurality of the valve leaf, the spring mounting seat peripheral wall is connected with the inner side of the valve leaf, a groove is vertically arranged in the groove, the air inlet sealing element is positioned below the valve leaf, and the top wall is plugged in a column rod positioned in the cylinder of the spring.

The utility model adopts the further improved technical proposal that a connecting rib for connecting the valve body at the inner side and the outer side of the exhaust port is arranged on the exhaust port of the valve disc, and a guide hole is arranged on the connecting rib; the lower surface of the exhaust port sealing element is connected with a guide post, and the guide post is inserted in the guide hole. The sealing element of the exhaust port is restrained, and the air exhaust port cannot deviate in use.

The utility model discloses further improve technical scheme and be, guide post upper portion is the cylinder, the bottom is the hemisphere, and the cylinder diameter slightly is less than the guiding hole diameter, and the hemisphere diameter slightly is greater than the guiding hole diameter. The guide post can not slip out in the guide hole, so the exhaust port sealing element can not fall off.

The utility model discloses further improve technical scheme be, splice bar equidistance interval distribution is four.

The utility model discloses further improve technical scheme and be, the splice bar is the hexagon structure, and the splice bar is a body structure with the valve disc. The connecting rib has good stability, and the valve disc is integrally firm.

The utility model discloses further improve technical scheme and be, the valve leaf is cut into the arc base from outside limit lower part to inside limit bottom on the slice rectangular plate and forms. The valve leaf is located the vacuum bag, and the bottom surface contacts another face vacuum bag body, and the level and smooth friction is little, prevents wearing and tearing the bag body.

The utility model discloses further improve technical scheme and be, the pressure pad wall height of valve gap is less than connects the wall height soon, and the difference in height equals or slightly is less than the thickness of gas vent sealing member. The valve cover presses the sealing element of the exhaust port, the sealing performance is good, excessive pressing cannot be carried out, and deformation of the sealing element is generated.

The utility model discloses further improve technical scheme and be, the wall of connecing soon of valve gap is the internal thread, and the connection screw socket of valve body is the external screw thread. The valve cover is screwed, so that the screwing is convenient.

The utility model discloses further improve technical scheme and be, the recess internal diameter at spring mount pad center equals the external diameter of spring, and the internal diameter of spring equals the post external diameter of air inlet sealing member. The spring clamps on the spring mount pad, and is firm not droing and not shifting.

The utility model discloses beneficial effect:

the valve has simple and reasonable structure, the air inlet and the air outlet are positioned on the same valve body, but do not interfere with each other, the valve body has small volume, the air inlet sealing element is pressed downwards from the air inlet in the middle, the gap between the valve leaves in the bag is communicated with the air inlet outside the bag, namely, the opening of an air inlet channel is realized, the inflation operation is carried out, the air inlet sealing element is not pressed downwards, and under the action of the spring, the air inlet sealing element seals the air inlet of the valve body to realize the separation; the valve cover is screwed on the connecting screw port of the valve body, the pressure pad wall of the valve cover is pressed on the exhaust port sealing element to seal the exhaust port of the valve body, when the exhaust operation is needed, the valve cover is unscrewed or unscrewed, a gap is generated between the exhaust port sealing element and the exhaust port of the valve body, and the gap between the valve leaves in the bag is communicated with the outside of the bag through the exhaust port, so that the opening of an exhaust passage is realized.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is a front view of the valve body of the present invention;

fig. 3 is a bottom view of the valve body of the present invention;

fig. 4 is a front sectional view of the valve cover of the present invention;

fig. 5 is a bottom view of the valve cover of the present invention;

fig. 6 is a front view of the exhaust port sealing member of the present invention;

fig. 7 is a bottom view of the vent seal of the present invention;

figure 8 is an elevation view of the inventive inlet seal;

fig. 9 is a bottom view of the intake port sealing member of the present invention;

fig. 10 is a front view of the spring of the present invention.

Detailed Description

As shown in fig. 1 to 10, the utility model discloses a valve body 1, valve gap 2, gas vent sealing member 3, air inlet sealing member 4 and spring 5, valve body 1 includes valve disc 11, connection screw 12, valve leaf 13 and spring mount 14, valve disc 11 center is opened has air inlet 111, exhaust port 112 is opened to the outer lane concentric with the air inlet, valve disc 11 upper surface gas vent outside connection bellied external screw thread connection screw 12, annular gas vent sealing member 3 is located exhaust port 112, valve gap 2 includes that the spiral connection wall 22 and the inboard side of top surface below ring outside are connected connect the pressure pad wall 23, spiral connection wall 22 is the internal thread, spiral connection wall 22 spiral connection screw 12, the pressure pad wall 23 height of valve gap is less than the height of spiral connection wall 22, the difference in height is slightly less than the thickness of gas vent sealing member 3, pressure pad wall 23 bottom surface is pressed on gas vent sealing member 3, not only sealed tightly but also can not be with gas vent sealing member pressure type; the lower surface of the valve disc 11 is connected with the top surfaces of a plurality of valve blades 13, the valve blades 13 are formed by cutting arc bottom edges from the lower part of the outer side edge to the bottom of the inner side edge on a sheet rectangular plate, the valve blades 13 are axially arranged by taking an exhaust port as a center, a cylindrical space positioned below an air inlet is enclosed by the inner side edges of the plurality of valve blades, a spring mounting seat 14 is arranged at the lower part of the cylindrical space, the peripheral wall of the spring mounting seat 14 is connected with the inner side edge of the valve blade 13, a groove 141 is arranged at the center, the spring 5 is vertically placed in the groove 141, an air inlet sealing member 4 is positioned below the air inlet 111 of the valve disc, the top wall of the air inlet 111 plugs the air inlet 111, and a post rod below the top wall is inserted into a cylinder of the spring 5.

The exhaust port 112 of the valve disc is provided with four connecting ribs 15 for connecting the valve disc body on the inner side and the outer side of the exhaust port, the connecting ribs 15 are distributed at equal intervals, the connecting ribs 15 are of a hexagonal structure, the connecting ribs and the valve disc are of an integrated structure, and the connecting ribs 15 are provided with guide holes 16; the lower surface of the exhaust port sealing member 3 is connected with a guide post 31, and the guide post 31 is inserted into the guide hole 16. The upper portion of the guide column 31 is a cylinder, the bottom end of the guide column is a hemisphere, the diameter of the cylinder is slightly smaller than that of the guide hole, and the diameter of the hemisphere is slightly larger than that of the guide hole. The method is as follows.

The inner diameter of the groove 141 at the center of the spring mounting seat 14 is equal to the outer diameter of the spring 5, and the inner diameter of the spring 5 is equal to the outer diameter of the pole of the air inlet sealing element 4.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. Vacuum bag pump fills integrative valve, its characterized in that: the valve comprises a valve body (1), a valve cover (2), an exhaust port sealing element (3), an air inlet sealing element (4) and a spring (5), wherein the valve body (1) comprises a valve disc (11), a connecting screw (12), a valve leaf (13) and a spring mounting seat (14), an air inlet (111) is formed in the center of the valve disc (11), an exhaust port (112) is formed in an outer ring concentric with the air inlet, a convex connecting screw (12) is connected to the outer side of an exhaust port on the upper surface of the valve disc (11), the annular exhaust port sealing element (3) is positioned on the exhaust port (112), the valve cover (2) comprises an annular top surface (21), a screwing wall (22) connected to the outer side of a ring below the top surface and a pressure pad wall (23) connected to the inner side of the ring, the inner side (22) of the valve disc is screwed to the connecting screw (12), the bottom surface of the pressure pad wall (23) is pressed on the exhaust port sealing element (3), the lower surface of the valve disc (11) is connected with the top surfaces of the valve leaf (13), the valve leaf (13) is arranged by taking the exhaust port as the center, a cylindrical space is axially arranged, a plurality of the valve leaf blades are enclosed to form a cylindrical space below the air inlet, the spring mounting seat (14), a spring mounting seat (141) is arranged below the spring mounting seat, a groove (14) and a groove (141) is arranged below the inner side of the valve leaf (141), and a vertical groove (141) arranged below the valve leaf (111), the top wall of the air inlet (111) is blocked, and a post rod below the top wall is inserted in a cylinder of the spring (5).

2. The vacuum bag pump-fill integrated valve of claim 1, wherein: a connecting rib (15) for connecting the valve disc body on the inner side and the outer side of the exhaust port is arranged on the exhaust port (112) of the valve disc, and a guide hole (16) is formed in the connecting rib (15); the lower surface of the exhaust port sealing piece (3) is connected with a guide column (31), and the guide column (31) is inserted in the guide hole (16).

3. The vacuum bag pump-fill integrated valve of claim 2, wherein: the upper part of the guide column (31) is a cylinder, the bottom end of the guide column is a hemisphere, the diameter of the cylinder is slightly smaller than that of the guide hole, and the diameter of the hemisphere is slightly larger than that of the guide hole.

4. The vacuum bag pump-fill integrated valve of claim 2, wherein: the connecting ribs (15) are distributed in four at equal intervals.

5. The vacuum bag pump-fill integrated valve of claim 2, wherein: the connecting ribs (15) are of a hexagonal structure, and the connecting ribs and the valve disc are of an integrated structure.

6. The vacuum bag pump-fill integrated valve of claim 1, wherein: the valve blade (13) is formed by cutting an arc bottom edge from the lower part of the outer side edge to the bottom of the inner side edge on a sheet-shaped rectangular plate.

7. The vacuum bag pump-fill integrated valve of claim 1, wherein: the height of the pressure pad wall (23) of the valve cover is lower than that of the screwing wall (22), and the height difference is equal to or slightly smaller than the thickness of the exhaust port sealing element (3).

8. The vacuum bag pump-fill integrated valve of claim 1, wherein: the screwing wall (22) of the valve cover is an internal thread, and the connecting screw port (12) of the valve body is an external thread.

9. The vacuum bag pump-fill integrated valve of claim 1, wherein: the inner diameter of a groove (141) in the center of the spring mounting seat (14) is equal to the outer diameter of the spring (5), and the inner diameter of the spring (5) is equal to the outer diameter of a pole of the air inlet sealing element (4).

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