KR200390816Y1 - One way valve of receiving bag - Google Patents

Abstract

The present invention relates to a unidirectional air valve for a sealed bag, and aims to provide a one-way air valve for a sealed bag to discharge the air in the bag, to prevent the air from flowing back into the bag, and also excellent sealing effect. have.

In the technical configuration, the air valve 10 includes a valve support 1, a diaphragm 2 in linear contact with the annular protruding ring 17 in the valve support 1, and a diaphragm 2. A pair of the spring 3 repeatedly applying pressure on the valve 3) and the valve cap 4, etc., which are helically coupled on the valve support 1 and pressurizes the spring 3 are formed. The valve lid 4 and the valve support 1 are configured so that the two do not fall from each other by using a fitting relationship between the hook hook and the depression, and the spring 3 is diaphragm by operating the valve cap 4 up and down. By regulating the pressure applied to (2) and by making the gap between the diaphragm and the annular protruding ring 17 tight, it gives an air sealing effect, or the air in the airtight bag when the air valve 10 is inhaling the air. It is configured to be discharged through the air hole 14 under the diaphragm (2).

Description

ONE WAY VALVE OF RECEIVING BAG}

  The present invention relates to a one-way air valve for a sealed bag used in a vacuum bag, and more particularly, to a kind of one-way exhaust valve that allows air to be discharged in only one direction and prevents the air from going back. It is about.

In general, vacuum storage bags that reduce volume by absorbing and removing air in a sealed bag using an air inhaler are already commercialized to store clothes, bedding, and the like. It has functions such as inhibiting bacteria propagation and preventing oxidation. When the vacuum bag is actually used, the air in the bag must be drawn out through the unidirectional air valve and the air does not seep again. This is why the air valve plays an extremely important role in the use of the bag. Regarding the structure and operating principle of such an air valve, reference may be made to the contents disclosed in the following references 1 to 5, among which reference 1 was devised by the present applicant before the present application.

[Reference 1] US 6,604,634 "RECEIVING BAG WITH ENHANCED AIRTIGHT EFFECT"

[Reference 2] US5,931,189 "ONE WAY VALVE FOR USE WITH VACUUM CLEANSER ATTACHMENT"

[Reference 3] US5,480,030 `` REUSABLE, EVACUABLE ENCLOSURE FOR STORAGE OF CLOTHING AND THE LIKE ''

[Reference 4] US5,450,963 `` AIR REMOVAL DEVICE FOR SEALED STORAGE CONTAINER ''

[Reference 5] US 6,408,872 "EVACUABLE CONTAINER ONE-WAY VALVE WITH FILTER ELEMENT"

However, the unidirectional exhaust valve described above has the following problems:

1. Since the structure of the air valve described in Reference 1 is not only complicated in manufacturing process but also expensive in manufacturing cost than general air valve, it does not meet economic effects or benefits.

2. The upper lid and the valve support shown in Reference 1 are fitted together so that the upper lid must be removed from the valve support before the air is sucked in. The top of the valve stand must be fitted over, which is not only easy to lose after removing the top lid from the valve stand, but also inconvenient to operate the peeling or refitting of the top lid.

3. Since the upper lid described above is fitted with the valve support and then protrudes over the sealed bag, the upper lid is easily opened or detached by bumping or pressing during the stacking, transportation, and storage of the sealed bag.

4. In the airtight bag described above, if the top lid is closed tightly while the air is full, the pressure inside the bag will increase momentarily when the airtight bag is pressed or impacted by external force. However, when the pressure is greater than the strength of the upper lid and the valve base engaged with each other, the upper lid may pop out and cause an unexpected accident.

5. In the valve stand described above, a diaphragm made of soft plastic pieces is fitted, which may cause the diaphragm to come out of position if the top lid is impacted or depressed by external forces. However, since there is no buffer or positioning device between the upper lid and the diaphragm, once the diaphragm is subjected to excessive force, it is out of position to reduce the sealing effect.

6. The diaphragms presented in References 1 to 5 are all made of silicon resin or rubber material, which is not only susceptible to climate influences, but also becomes hard or vaginal due to factors such as shrinkage in cold and expansion in heat. In particular, in the climatic environment of a large area, slight shrinkage and deformation are likely to occur, which causes the air hole to be incompletely sealed so that the air penetrates again, resulting in a poor sealing effect.

7. The air valves presented in Refs. 4 and 5 above have no top lid construction, although they simplify the construction of the air valves, they are sealed even if there is only a slight deformation or break in the diaphragm used to seal the air holes. The condition becomes incomplete, which may cause air to penetrate again. In addition, the air valve also has a plastic expiration date, and since the diaphragm contracts in the cold and expands in the heat, the air valve is affected by factors such as expansion of the diaphragm. The function is very doubtful.

The present invention has been made to solve the above-mentioned problems, and provides a kind of one-way air valve for a sealed bag, which exhausts the air in the bag, prevents air from flowing back into the bag, and also has an excellent sealing effect. For the purpose of

In order to achieve the above object, the unidirectional air valve for sealed bag according to the present invention,

At one end, there is a valve groove 12 with the inlet open, and at its outer circumference there is a flat plate 11 that is radially extended to engage a sealed bag, and at the center of the bottom plate of the other end of the valve groove, 13 is provided, and around it, a plurality of air holes 14 and an annular protruding ring 17 protruding forward are provided, and the outer periphery of the outer side of the valve groove 12 on the plate 11 is provided. There is a thread 18, the top of the outer thread (18) is provided with a stop ring (19) larger in diameter than the outer thread, the stop ring is formed by forming a plurality of depressions (191) 1) and;

A soft and tough piece of plastic, which is installed in the valve groove 12, and has a protruding cap 21 provided at the bottom center thereof so as to be inserted into the position fixing hole 13 of the bottom plate of the valve groove 12. A diaphragm 2;

One end is in contact with the valve cap (4), the other end is in contact with the diaphragm (2), the spring (3) is installed to correspond on the annular protruding ring (17) in the bottom plate of the valve groove (12) )and;

A valve cap (4) spirally coupled to the outer thread (18) of the valve support (1); Including;

A plurality of air holes 41 are drilled at the top of the valve cap 4, and a plurality of radial hook hooks 42 are provided around the bottom of the inner wall, and the hook hooks 42 are disposed on the valve support. It is characterized in that it has a structure to be helically coupled to the outer thread 18 of the valve pedestal 1 after entering the recess 191 previously dug into the stop ring (19).

Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail.

  As shown in FIG. 1, the unidirectional air valve 10 according to the present invention is in contact with one valve support 1 and an annular protruding ring 17 in the valve support 1 in a line. The diaphragm 2, the spring 3 repeatedly pressurizing on the diaphragm 2, the valve cap 4 which presses down the spring 3 while being helically coupled on the valve support 1, etc. It consists of, as shown in Figure 2 after assembly.

As shown in Figs. 3 and 4, one end of the valve support 1 is radially deployed around the valve groove 12 and its outer circumference with the inlet open. A flat plate 11 coupled to the sealed bag, a positioning hole 13 provided in the center of the bottom plate of the other end of the valve groove 12, and a plurality of air holes 14 provided around the annular shape. A protruding protruding ring 17, an outer thread 18 mounted on the outer periphery of the valve groove 12 on the plate 11, and an upper end of the outer thread 18, which is installed at an upper end of the outer thread 18, A stop ring 19 having a larger diameter and a plurality of recesses 191 made symmetrical with the stop ring.

Furthermore, the bottom portion of the valve groove 12 is provided with a plurality of vertical obstacle preventing flow plates 15 radially distributed about the position fixing hole 13, and further includes a position fixing hole 13 Below, the annular protruding ring 16 is in contact with the drip board 15, and the height of the outward protrusion of the protruding ring 16 is lower than the height of the dipping plate 15.

5 and 6, the diaphragm 2 is made of a soft and tough plastic material and is installed inside the valve groove 12, and protrudes in the center of the bottom surface of the diaphragm. The stopper 21 is formed so that the stopper 21 can be inserted into the position fixing hole 13 (see FIG. 9) of the bottom plate of the valve groove 12.

The spring 3 has an annular protruding ring 17 on the bottom plate of the valve groove 12, with one end touching the valve cap 4 and the other touching the diaphragm 2. Elastic shock absorber).

As shown in Figs. 7 and 8, the valve lid 4 has a plurality of exhaust holes 41 formed in the top of the valve lid 4, and a plurality of radially protruded around the bottom of the inner wall. A hook hook 42 is provided. The position of the hook hook 42 is installed so as to correspond to each other with the depression inlet 191 set in advance in the stop ring 19 of the valve support 1, the hook hook 42 is recessed inlet 191 Axially along the axial direction, it is possible to helically engage the outer thread 18 via the inner thread on the inner circumference of the hook hook 42. Therefore, turning the valve lid 4 on the valve rest 1 Spiral rises and falls.

  9, the connection relationship after the valve support 1, the diaphragm 2, the spring 3, and the valve cap 4 are assembled together can be seen. The diaphragm 2 is installed inside the valve groove 12, and is inserted into the position fixing hole 13 in the bottom plate of the valve groove 12 by the protruding plug 21 at the bottom of the diaphragm to fix the position. . The bottom surface of the diaphragm 2 is in linear contact with the annular protruding ring 17 on the valve bottom plate. The valve cap 4 is helically coupled to the external thread 18 on the valve stem 1 by a hook hook 42, and after the valve cap 4 is helically coupled to the valve stem 1. , The spring (3) is sandwiched between the valve cap (4) and the diaphragm (2) is compressed, there is an annular protruding ring 43 under the valve cap (4) to fit the spring (3), the diaphragm ( 2) The annular protruding ring 22 is provided at the top to insert the spring 3 so that the position fixing effect is extremely stable between the three parts of the valve cap 4, the spring 3, and the diaphragm 2. Occurs.

In addition, since the lower end of the spring 3 corresponds to the annular protruding ring 17 in the bottom plate of the valve groove 12, this causes the diaphragm (if the spring 3 pressurizes the diaphragm 2). Between the 2) and the annular protruding ring (17) allows an extreme air sealing effect.

  Referring to FIG. 10, before the valve cap 4 and the valve support 1 are assembled, the valve cap 4 is necessarily fitted with each other by the hook hook 42 and the recess 191 of the stop ring 19. Only after being pushed in can be pulled in the axial direction, the radial protruding length of the hook hook 42 is longer than the radial depth of the recess 191 in the stop ring 19 described above. Because of this, after the hook hook 42 is pulled through the depression 191, it can no longer be pulled out backward through the depression 191, even if the valve cap 4 is turned to relax, the valve support Can not fall from (1). By doing so, a defect such as the valve cap 4 falling off and being lost is not generated.

In addition, the tension of the spring 3 can be adjusted by using the point in which the valve cap 4 rotates in the forward or reverse direction in the valve support 1, and further, the diaphragm 2 and the valve groove 12 bottom plate. The air is filled or discharged in between, which will be described in more detail with reference to FIGS. 11 to 15.

  11 is a schematic view showing the use of the unidirectional air valve 10 according to the present invention for the sealed bag 100. The sealed bag 100 may be used as various storage bags or other sealing bags. have.

  Referring to FIG. 12, in the coupling method of the unidirectional air valve 10 and the sealed bag 100, the upper surface of the flat plate 11 of the valve support 1 is connected to the bottom surface of the upper bag 101 of the sealed bag 100 and the high frequency welding. After joining, and after joining, only the valve thread 4 on the top of the valve base 1 and the valve lid 4 spirally engaged with the external thread 18 on the outside of the airtight bag 100 Since it is exposed, the lid 4 which is outwardly as described above cannot be separated from the valve support 1, and thus the outer lid 4 cannot be detached even if it is impacted from the outside.

In addition, as shown in FIG. 12, in order to perform an air intake operation with respect to the unidirectional air valve 10, first, the valve lid 4 is turned in the opposite direction to release the distance between the valve lid 4 and the diaphragm 2. The pressure on the diaphragm 2 must be lowered by loosening the spring 3, and only after completing this procedure can the air intake work.

  Referring to FIG. 13, the suction pipe 103 of the air intake device (not shown) is attached to the outer circumference of the valve cap 4 and the flat plate 11 below the upper bag 101 of the sealed bag 100. ), You can work on air intake. Through this process, the air in the sealed bag 100 is sucked out, and the amount of air in the bag decreases, thereby almost reaching a vacuum state. As the air suction operation proceeds, the diaphragm 2 and the spring 3 float together more than 2 mm, so that the diaphragm 2 no longer contacts the annular protruding ring 17 on the valve groove 12 bottom plate. . At this time, the air in the bag passes through the air hole 14 · 41 in the valve groove 12 and the valve cap 4 due to the strong air suction action, and then is sucked out through the suction pipe 103, As soon as it is almost vacuum, it stops.

In addition, when the above-described air suction operation is carried out, the radially-flowing plate 15 under the valve support 1 and the annular protruding ring 16 under the positioning hole 13 are sealed in the bag 100. Pressing the lower pocket 102 and the clothes or bedding therein effectively press the air hole 14, the air intake work is smoothly completed.

Referring to FIG. 14, after the air suction is completed, the suction pipe 101 is removed by moving from the valve cap 4, where the diaphragm 2 has a negative pressure between the atmospheric pressure and the pressure in the sealed bag 100. Due to the action, it is possible to quickly stick on and cover the annular protruding ring 17, thereby exerting a unidirectional adverse action. In other words, the diaphragm 2 is automatically restored to its original state when the air suction operation is stopped, and sticks on the annular protruding ring 17 so as to prevent the outside air from entering the sealed bag 100. do.

  Referring to FIG. 15, after the procedure described above is completed and the operator locks the valve cap 4 downward again, the distance between the valve cap 4 and the diaphragm 2 is shortened and the spring 3 is pressurized. After the elasticity is increased, a much larger pressure is applied to the diaphragm 2, and the sealing effect between the diaphragm 2 and the annular protruding ring 17 becomes even stronger, thereby effectively preventing the re-penetration of air.

  As described above, preferred embodiments of the present invention have been described with reference to the drawings, but it can be seen that various changes made without departing from the present invention by those skilled in the art all fall within the scope of the present invention. There will be.

According to the configuration of the present invention described above, the following effects can be obtained.

1. By adjusting the height by operating the valve cap 4 in the valve support 1, it is possible to adjust the magnitude of the pressure that the spring 3 presses against the diaphragm 2. For example, when the valve lid 4 is lowered, the length of the spring 3 is reduced so that the pressure on the diaphragm 2 is much greater, so that the gap between the diaphragm 2 and the annular protruding ring 17 occurs. The sealing effect is very good.

Conversely, when the valve lid 4 is raised upward, the length of the spring 3 is increased so that the pressure on the diaphragm 2 is reduced, which causes the spring 3 and the diaphragm 2 to be pulled up together during the air intake process. At the same time, the air hole 14 is opened so that the air in the bag is discharged out. Then, when the air suction action stops, the spring 3 and the diaphragm 2 are restored to their original state by the atmospheric pressure, and the air hole 14 is sealed to prevent the air from penetrating again. Will suppress the adverse effect of.

2. The annular protruding ring 17 in the bottom plate of the valve groove 12 abuts in a line with the bottom face of the diaphragm 2, whereby the spring 3 repeatedly presses over the diaphragm 2 and pressurizes. In addition, the diaphragm 2 exerts an extremely hermetic sealing effect between the annular protruding ring 17 when it is pressurized and the sealing effect is maintained even when used for a long time. It stays the same.

3. The diaphragm 2 is made of a soft piece of plastic and acts to keep the sealing state together with the annular protruding ring 17 in the valve groove 12 under the pressure of the spring 3, It is not affected by environmental effects such as contraction in the cold and expansion in the heat. Moreover, the diaphragm 2 rises up at the time of air intake, but the diaphragm 2 moves in place because the lower protruding stopper 21 is in the fixing hole 13 in the valve groove 12. To prevent it.

4. The four-piece accessory is very easy and quick to assemble. In particular, the diaphragm 2 and the spring 3 can be inserted very easily into the valve groove 12 in the valve stand 1 and the valve lid 4 can be quickly covered and locked, so that the diaphragm 2 and the spring 3 can be assembled quickly and conveniently. Can be.

5. Since the structure of the four-piece accessories is all very simple and simple, not only is it easy to manufacture and produce, but it is also advantageous for the manufacturers to produce, even considering the cost of production.

6. When the airtight bag is full and the valve cap (4) is locked in a locked state, if the airtight bag is pressed and subjected to a pressure greater than the holding force of the spring (3), the spring (3) By causing the diaphragm 2 to open the air hole 14 by contraction, a momentary exhaust action takes place, thereby preventing any influence or destruction of the bag itself or each air valve accessory.

1 is a three-dimensional exploded view of a unidirectional air valve according to the present invention.

FIG. 2 is a three-dimensional exploded view of the unidirectional air valve shown in FIG. 1. FIG.

3 is a three-dimensional cross-sectional view of the valve support shown in FIG. 1.

4 is an opposite side stereoscopic view of the valve support shown in FIG. 1.

5 is a three-dimensional cross-sectional view of the diaphragm shown in FIG. 1.

FIG. 6 is a perspective side view of the diaphragm shown in FIG. 1. FIG.

FIG. 7 is a three-dimensional cross-sectional view of the valve cap shown in FIG. 1. FIG.

8 is an opposite side stereoscopic view of the valve cap shown in FIG. 1.

9 is an overall sectional view of the unidirectional air valve according to the present invention.

10 is an overall cross-sectional view of the valve stand and the valve lid according to the present invention before combining.

Fig. 11 is a model diagram when the unidirectional air valve according to the present invention is applied on a sealed bag.

12 is an overall sectional view after the unidirectional air valve and the sealed bag according to the present invention are combined.

Fig. 13 is an overall sectional view of the one-way air valve according to the present invention when it performs the air suction action.

14 is an overall sectional view of the unidirectional air valve according to the present invention after completing the air intake action.

Fig. 15 is an overall sectional view of the unidirectional air valve according to the present invention after the valve lid is turned.

<Explanation of symbols for main parts of drawing>

1: Valve Stand

2: diaphragm

3: spring

4: valve cap

10: One-Way Air Valve

11: reputation

12: valve groove

13: hole for fixing position

14: air hole

15: plate

16: ring of protruding rings

17: annular protruding ring

18: external thread

19: annular stop ring

191: depression

21: protrusion plug

22: annular protrusion ring

41: air exhaust hole

42: hook hook

43: annular protruding ring

100: sealed bag

101: top pocket

102: bottom pocket

103: suction pipe

Claims (6)

As a one-way air valve for a sealed bag, At one end, there is a valve groove 12 with the inlet open, and at its outer circumference there is a flat plate 11 that is radially extended to engage a sealed bag, and at the center of the bottom plate of the other end of the valve groove, 13 is provided, and around it, a plurality of air holes 14 and an annular protruding ring 17 protruding forward are provided, and the outer periphery of the outer side of the valve groove 12 on the plate 11 is provided. There is a thread 18, the top of the outer thread (18) is provided with a stop ring (19) larger in diameter than the outer thread, the stop ring is formed by forming a plurality of depressions (191) 1) and; A soft and tough piece of plastic, which is installed in the valve groove 12, and has a protruding cap 21 provided at the bottom center thereof so as to be inserted into the position fixing hole 13 of the bottom plate of the valve groove 12. A diaphragm 2; One end is in contact with the valve cap (4), the other end is in contact with the diaphragm (2), the spring (3) is installed to correspond on the annular protruding ring (17) in the bottom plate of the valve groove (12) )and; A valve cap (4) spirally coupled to the outer thread (18) of the valve support (1); Including; A plurality of air holes 41 are drilled at the top of the valve cap 4, and a plurality of radial hook hooks 42 are provided around the bottom of the inner wall, and the hook hooks 42 are disposed on the valve support. The air bag for the sealed bag, characterized in that it has a structure to be helically coupled to the outer thread 18 of the valve bracket 1 after entering the recess 191 previously dug into the stop ring (19). . The method of claim 1, In the unidirectional air valve for the sealed bag, a plurality of vertically distributed radially about the position fixing hole 13 provided in the valve groove 12 and the bottom surface of the flat plate 11 in the valve support (1). A unidirectional air valve for a sealed bag, characterized in that the directional obstruction prevention plate (15) is provided. The method of claim 1, The unidirectional air valve for the sealed bag is provided with an annular protruding ring 16 under the position fixing hole 13 of the valve groove 12, and the protruding ring is provided with a respective radial drift plate ( 15. A unidirectional air valve for a sealed bag, which is connected to each other, characterized in that the height of the outward protrusion of the protruding ring is lower than the height of the ditch plate. The method of claim 1, The one-way air valve for the sealed bag includes a set of position fixing annular protruding rings (17) arranged on the diaphragm to fit in the spring. The method of claim 1, The one-way air valve for the sealed bag, the one-way air valve for the sealed bag, characterized in that it has an annular protruding ring for positioning the spring set to fit under the lid portion of the valve cap. The method of claim 1, The unidirectional air valve for the sealed bag is provided with an internal thread that is threadedly coupled to the outer thread 18 of the valve groove 12 on the inner edge of the hook hook 42, and radially of the hook. Protruding length is one-way air valve for the sealed bag, characterized in that longer than the depth of the depression (191).