TW201938938A - Air valve device which has a simple structure and is suitable for installation in containers of various forms - Google Patents

Abstract

Disclosed is an air valve device including a base and an air valve member. The base includes: a first surface and a second surface located at two opposite sides, and a through hole. The through hole is provided with a central portion and at least one ventilating groove portion extending toward the direction away from the central portion. The air valve member includes: an air blocking portion flexibly covering the first surface and the through hole; a connecting portion connected to the air blocking portion and inserted in the central portion of the through hole; a limiting portion connected to the connecting portion and movably abutted against the second surface of the base; and a pressure receiving portion installed at the air blocking portion and aligned with the connecting portion. When the pressure receiving portion is pressed by an external force, the connecting portion is driven to move toward the direction of the second surface, so as to deflect and raise the air blocking portion to expose at least one air ventilating groove portion, and simultaneously drive the limiting portion to be separated from the second surface, thereby allowing the air to pass through the at least one air ventilating groove portion.

Description

Air valve device

The present invention relates to a gas valve device, and particularly to a gas valve device suitable for being disposed on a container.

In recent years, air valve devices have been widely used in a variety of daily necessities to improve people's diet culture and daily life. For example, thick quilts are large in winter. When summer comes, they often take more time to fold and store. It also requires a large space for storage, and the invention of the vacuum compression bag reduces the above-mentioned problems. After putting the thick quilt into a vacuum compression bag, the volume of the thick quilt can be compressed by pumping through the air valve device, saving time and space for storage. In addition, some people like to relax with a glass of wine after work, but it is not easy to After drinking the whole bottle, I chose to put it in the refrigerator and finish it in multiple days. However, the unopened wine bottle is prone to oxidation of the wine due to the contact of the wine with the air, which reduces the flavor. The vacuum wine stopper can remove the air from the unopened wine bottle, so that the inside of the wine bottle is close to the vacuum state, reducing the wine. The probability of oxidation shows the importance of the valve device. However, there is still room for improvement in existing gas valve devices.

Therefore, one object of the present invention is to provide a gas valve device having a simple structure and being suitable for being installed in a container of various forms.

Therefore, in some embodiments, the gas valve device of the present invention includes a base and a gas valve element. The base includes a first surface and a second surface on opposite sides, and a through hole penetrating the first surface and the second surface. The through hole has a central portion, and at least one direction away from the center. A vent groove portion extending in the direction of the portion. The gas valve element includes a gas blocking portion that flexibly covers the first surface and the through hole, a connecting portion connected to the gas blocking portion and passing through the central portion of the through hole, and a connecting portion The connecting portion is movably abutted against the limiting portion of the second surface of the base, and a pressure receiving portion disposed on the gas blocking portion and aligned with the connecting portion. When the pressure receiving portion receives an external force Pressing, will drive the connecting portion to move toward the second surface, and the connecting portion will link the gas blocking portion to cause the gas blocking portion to flex and warp to expose the at least one vent groove portion, and simultaneously link the limiting portion. The position part separates the position part from the second surface, so that the gas can pass through the at least one vent groove part and pass through the base.

In some embodiments, the limiting portion covers the second surface of the base and the through hole.

In some embodiments, a mask of the gas blocking portion facing the limiting portion has a first inside edge connected to the connecting portion, and a first connecting edge connected to the first inside edge and inclined toward the limiting portion. A gas blocking face, a mask of the limiting portion facing the gas blocking portion has a second inner edge connected to the connecting portion, and a second gas blocking face connected to the second inner edge and inclined toward the gas blocking portion .

In some embodiments, the limiting portion is formed by a plurality of limiting bumps extending outward from one end of the connecting portion.

In some embodiments, the base further has at least one abutting wall portion defining a central portion of the through hole, and at least one inclined wall portion connected between the abutting wall portion and the first surface, When the gas blocking portion is driven by the connecting portion toward the second surface, the gas blocking portion is bent and warped along the at least one inclined wall portion.

In some embodiments, a gas nozzle detachably covering the first surface of the base and the gas blocking part of the gas valve member is also included. The gas nozzle includes a top wall and a bottom surface formed on the top wall. The pressure contact part is used for pressing against the pressure receiving part of the air valve element.

In some embodiments, the air nozzle further includes a side wall bent and extended from a peripheral edge of the top wall, and a pipe body formed on the top surface of the top wall and adapted to be connected to a pipe body connected to a charging / exhausting device. The top wall and the side wall jointly define a pumping and filling space which is in communication with the gas transmission pipe portion.

In some embodiments, the first surface of the base has a groove for aligning a side wall of the air nozzle.

The invention has at least the following effects: through the simple construction of the air valve, the manufacturing cost is reduced, and with the specially designed base, the user can expose the vent groove portion by pressing against the pressure receiving portion, so as to Carry out pumping and filling operations.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

Referring to FIGS. 1 to 4, a first embodiment of a gas valve device according to the present invention is suitable for being disposed in a container 5. In the present embodiment, the container 5 is described by taking a storage bag as an example, but it may also be, for example, a fresh-keeping box, a wine bottle, an inflatable bed, an inflatable toy, an inflatable neck pillow, and the like. The gas valve device includes a base 1, a gas valve member 2, and a gas nozzle 3. The base 1 is suitable for being disposed on the container 5, and can be made integrally with the container 5 or made separately and combined with the container 5. When the base 1 and the container 5 are separately produced and combined, a perforation can be formed at an appropriate position of the container 5 and then the base 1 is melted by heating or the adhesive is used to cover the base 1 with the perforation of the container 5 and the container. 5 Adhesive fixing, of course, the setting method is not limited to this.

In this embodiment, the base 1 is plate-shaped and includes a first surface 11 and a second surface 12 on opposite sides, and a through hole penetrating the first surface 11 and the second surface 12 13. The first surface 11 has a groove 111 surrounding the through hole 13 and used for positioning the air nozzle 3. The second surface 12 is correspondingly located on the container 5. The through hole 13 has a central portion 131 located at a geometric center of the base 1, and three ventilation groove portions 132 extending radially away from the central portion 131. Specifically, the through hole 13 is defined by an inner wall 14 having three abutting wall portions 141 spaced apart from each other and collectively defining a central portion 131 of the through hole 13 and three Connected to the abutting wall portions 141 and the inclined wall portions 142 of the first surface 11 respectively. Each ventilation groove portion 132 is formed between two adjacent abutting wall portions 141 and extends away from the central portion 131. In this embodiment, the number of the ventilation groove portions 132 is three, but only one can be implemented in a modified embodiment. At the same time, the number of the abutting wall portion 141 and the inclined wall portion 142 also corresponds to ventilation. The groove portion 132 is adjusted. In addition, the base 1 is not limited to a circle, and may be an arbitrary polygon.

The gas valve member 2 is disposed at the through hole 13 of the base 1 and covers the first surface 11 and the second surface 12 up and down to close the through hole 13. The gas valve member 2 can be pressed and flexed to allow gas to pass through the vent groove portions 132 to enter and exit the container 5. Specifically, the gas valve member 2 is made of a soft material, and in this embodiment, the material of the gas valve member 2 is silicon rubber, but it is not limited to this embodiment. The gas valve member 2 includes a disc-shaped gas blocking portion 21 that flexibly covers the first surface 11 and the through hole 13, and a gas-blocking portion 21 connected to the gas blocking portion 21 and passing through the through hole 13. The columnar connecting portion 22 of the central portion 131, a disc-shaped limiting portion 23 connected to the connecting portion 22 and movably abutting against the second surface 12 of the base 1, and a gas barrier The pressure receiving portion 24 of the portion 21 is aligned with the connecting portion 22. In this embodiment, the connecting portion 22 is an abutting wall portion 141 that abuts against the inner surrounding wall 14 to increase the air-tightness between the air valve member 2 and the base 1. A mask of the gas blocking portion 21 facing the limiting portion 23 has a first inner edge 211 connected to the connecting portion 22, a first outer edge 213 located on the outer periphery of the gas blocking portion 21, and a first inner edge 211 is a first gas blocking surface portion 212 that extends gradually obliquely toward the first outer edge 213 and toward the limiting portion 23. In this embodiment, the first inner edge 211 and the first outer edge 213 have a height difference, and a preferred value of the height difference is 0.3 mm. The limiting portion 23 covers the second surface 12 and the through hole 13 of the base 1, and a mask of the limiting portion 23 facing the gas blocking portion 21 has a second inner edge 231 connecting the connecting portion 22, A second outer edge 233 located on the outer periphery of the limiting portion 23 and a second gas barrier portion 232 extending from the second inner edge 231 toward the second outer edge 233 and gradually obliquely toward the gas blocking portion 21. The second inner edge 231 and the second outer edge 233 also have a height difference, and a preferred value of the height difference is 0.3 mm. By the inclined design of the first gas blocking surface portion 212 and the second gas blocking surface portion 232, the first outer edge 213 of the gas blocking portion 21 and the second outer edge 233 of the limiting portion 23 are positioned on the air valve member. When not pressed, the first surface 11 and the second surface 12 of the base 1 can be abutted tighter, respectively, so as to increase the airtightness between the air valve member 2 and the base 1.

5 to 7, the air nozzle 3 is adapted to be connected to a tube body 4 of a charging / exhausting device (not shown), and detachably covers the first surface 11 of the base 1 and the air valve member. 2 的 气 气 部 21。 2 of the gas barrier 21. In this embodiment, the air nozzle 3 includes a circular top wall 31, a side wall 32 bent and extended from a peripheral edge of the top wall 31, a pressing portion 33 formed on the bottom surface of the top wall 31, and a A gas pipe portion 34 on the top surface of the top wall 31. The top wall 31 and the side wall 32 define a pumping and filling space 35 in communication with the gas pipe portion 34, and the gas pipe portion 34 is connected to the pipe body 4. When the filling / exhausting device performs an inflation During the operation or a pumping operation, gas can enter and exit the pumping and filling space 35 through the pipe body 4 and the gas pipe portion 34. The groove 111 of the first surface 11 of the base 1 is correspondingly connected to the side wall 32 of the air nozzle 3, so the top wall 31 and the side wall 32 of the air nozzle 3 are not limited to being circular, but may correspond to the base. The groove 111 of the first surface 11 of the base 1 is designed as a square or other polygon.

When the user wants to perform the inflation operation or the extraction operation for the container 5, the air nozzle 3 can be docked with the groove 111 of the first surface 11, so that the air nozzle 3 covers the first part of the base 1. The surface 11 and the gas blocking portion 21 of the gas valve member 2. The pressure-contacting portion 33 of the air nozzle 3 will be pressed against the pressure-receiving portion 24 of the gas valve member 2, and the connecting portion 22 located below the pressure-receiving portion 24 will further be linked by the pressure-receiving portion 24 to the base. The second surface 1 of 1 moves in the direction of 12. The connecting portion 22 will pull down the gas blocking portion 21 so that the first inner edge 211 of the gas blocking portion 21 is recessed toward the central portion 131 of the through hole 13, and the first gas blocking portion 212 of the gas blocking portion 21 will be depressed. Align the inclined wall portions 142 and deflect and lift along the inclined wall portions 142, so that the first outer edge 213 of the gas blocking portion 21 leaves the first surface 11 of the base 1, and at the same time, the connecting portion 22 will interlock the limiting portion 23 to move the limiting portion 23 away from the second surface 12 and away from the second surface 12. The ventilation groove portions 132 are less covered by the gas blocking portion 21 and the limiting portion 23, and thus the gas can flow through the ventilation groove portions 132 and pass through the base 1 and enter and exit the container 5 to achieve inflation or pumping. Qi effect. It should be particularly noted that when the container 5 is filled with gas and the pressure inside the container 5 is greater than the pressure outside the container 5, if the user wants to perform a pumping (deflation) operation (the gas flows from the second surface 12 to the first surface) Flow in the direction of 11), or directly press the pressure receiving portion 24 of the gas valve member 2 with the hand, and the gas can automatically flow from the container 5 to the external space by the pressure difference between the inside and outside of the container 5.

8 to 11, a second embodiment of a gas valve device according to the present invention includes a base 1, a gas valve member 2, and a gas nozzle 3. The components of the second embodiment are substantially the same as those of the first embodiment, and the gas valve member 2 is also disposed at the through hole 13 of the base 1. Therefore, only the differences will be described in detail below.

The gas valve member 2 of the second embodiment is different from the gas valve member 2 of the first embodiment in that the limiting portion 23 of the gas valve member 2 of the second embodiment is formed by a plurality of connecting portions 22. One end is formed by a limiting protrusion 234 extending outward and abutting on the second surface 12 of the base 1. The positions of the limiting protrusions 234 and the ventilation groove portions 132 are staggered to avoid covering the ventilation groove portions 132. In the second embodiment, the number of the limiting protrusions 234 is three, but not This is limited as long as the ventilation groove portions 132 are not blocked. The pressure receiving portion 24 of the gas valve member 2 can also be pressed against by an external force, which drives the connecting portion 22 to move in the direction of the second surface 12, and the connecting portion 22 also links the gas blocking portion 21 to make the gas blocking portion. 21 is bent and warped to expose the vent groove portions 132, and at the same time, the limiting protrusions 234 are separated from the second surface 12 so that gas can pass through the vent groove portions 132 and pass through the base 1 .

With reference to FIG. 12, in the second embodiment, the base 1 is integrally formed with a lid of a container 6 that is a fresh-keeping box as an example. When it is desired to increase the storage time of the food in the container 6, the air nozzle 3 can be used to perform the air extraction operation, the gas content in the container 6 is reduced, the contact between food and air is reduced, and the food preservation effect is achieved. In addition, when the food stored in the container 6 is to be heated using a microwave oven, the gas in the container 6 will expand due to heat, which will cause the pressure in the container 6 to be greater than the external gas pressure. 234 does not cover the ventilation groove portions 132, so that the gas can directly press the first gas blocking surface portion 212 of the gas blocking portion 21 through the ventilation groove portions 132, and the gas blocking portion 21 slightly leaves the gas blocking portion 21. The first surface 11 is used for gas outflow, thereby balancing the gas pressure inside and outside the container 6 to avoid the danger of explosion.

In summary, the overall structure of the air valve device of the present invention is simple and can reduce the manufacturing cost, and the base 1 is suitable for being arranged on various types of containers such as fresh-keeping boxes, wine bottle stoppers, and aerated products, and has a wide range of applications.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited in this way, any simple equivalent changes and modifications made in accordance with the scope of the patent application and the content of the patent specification of the present invention are still Within the scope of the invention patent.

1‧‧‧ base

11‧‧‧ the first surface

111‧‧‧ groove

12‧‧‧ second surface

13‧‧‧through hole

131‧‧‧ Center

132‧‧‧Ventilation trough part

14‧‧‧ inner wall

141‧‧‧ abutting wall

142‧‧‧inclined wall

2‧‧‧Air valve parts

21‧‧‧Gas blocking department

211‧‧‧first inner edge

212‧‧‧First choke face

213‧‧‧first outer edge

22‧‧‧Connecting Department

23‧‧‧Limiting Department

231‧‧‧Second medial edge

232‧‧‧Second choke face

233‧‧‧Second outer edge

234‧‧‧ limit bump

24‧‧‧Pressed section

3‧‧‧ Gas nozzle

31‧‧‧Top wall

32‧‧‧ sidewall

33‧‧‧Touching part

34‧‧‧ Gas Transmission Department

35‧‧‧gas pumping space

4‧‧‧ tube body

5‧‧‧ container

6‧‧‧ container

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a schematic perspective view illustrating a gas valve element and a base of a first embodiment of the gas valve device of the present invention; The seat can be applied to a container; Fig. 2 is an exploded side view of the first embodiment; Fig. 3 is an exploded perspective view of the gas valve member and the base; Fig. 4 is a schematic cross-sectional view illustrating the gas A first gas blocking face and a second gas blocking face of the valve have an inclined design; FIG. 5 is a perspective view of the gas nozzle; FIG. 6 is a perspective view illustrating another perspective of the gas nozzle; FIG. 7 is a A schematic cross-sectional view illustrating that the air nozzle cover is disposed on the base and the air valve member, and uses a charging / exhausting device to perform an inflation operation or an air extraction operation; FIG. 8 is a second view of the air valve device of the present invention A side view of a gas valve member and a base of the embodiment; FIG. 9 is a perspective view of the gas valve member of the second embodiment; FIG. 10 is a bottom view illustrating the limitation of the gas valve member of the second embodiment The bumps do not directly cover the vent grooves of the base; FIG. 11 is a schematic cross-sectional view An air nozzle cover of the second embodiment is provided on the base and the valve element of the second embodiment; and FIG. 12 is a perspective view illustrating that the base can be integrally formed on the lid of a fresh-keeping box. .

Claims (8)

An air valve device includes: a base including a first surface and a second surface on opposite sides, and a through hole penetrating the first surface and the second surface, the through hole having a central portion And at least one vent groove portion extending away from the central portion; and an air valve member including a gas blocking portion that flexibly covers the first surface and the through hole, a gas blocking portion connected to the gas blocking portion, and A connecting portion passing through the central portion of the through hole, a limiting portion connected to the connecting portion and movably abutting against the second surface of the base, and a limiting portion provided on the gas blocking portion and When the pressure receiving part aligned with the connecting part is pressed against by an external force, the connecting part will be moved toward the second surface, and the connecting part will link the air blocking part to make the air blocking part flexible. Warped up to expose the at least one ventilation groove portion, and simultaneously linked the restriction portion to separate the restriction portion from the second surface, thereby allowing gas to pass through the at least one ventilation groove portion and pass through the base. The air valve device according to claim 1, wherein the limiting portion covers the second surface of the base and the through hole. The gas valve device according to claim 2, wherein a mask of the gas blocking portion facing the limiting portion has a first inner edge connected to the connecting portion, and a first connecting edge connected to the first inner edge and facing the limit A first gas barrier face that is inclined in the direction of the body, a mask of the stopper portion facing the gas barrier has a second inner edge connected to the connecting portion, and a second inner edge connected to the second inner edge and inclined toward the gas barrier The second choke face. The gas valve device according to claim 1, wherein the limiting portion is composed of a plurality of limiting protrusions extending outward from one end of the connecting portion. The gas valve device according to claim 1, wherein the base further has at least one abutting wall portion defining a central portion of the through hole, and at least one abutting wall portion connected to the abutting wall portion and the first surface. When the gas blocking portion is driven by the connecting portion toward the second surface, the gas blocking portion will flex and warp along the at least one inclined wall portion. The gas valve device according to claim 1, further comprising a gas nozzle detachably covering the first surface of the base and the gas blocking part of the gas valve, the gas nozzle includes a top wall, and The bottom surface of the top wall is used to press against the pressure contact part of the pressure receiving part of the air valve element. The gas valve device according to claim 6, wherein the gas nozzle further comprises a side wall bent and extended from a peripheral edge of the top wall, and a top surface formed on the top wall and adapted to be connected to a charger / pump. The top wall and the side wall jointly define an air delivery pipe part connected to the pipe body of the air device, and a space for pumping and filling gas is communicated with the air delivery pipe part. The gas valve device according to claim 7, wherein the first surface of the base has a groove for aligning a side wall of the gas nozzle.