JPH0748518Y2 - Valve cap - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The invention of the present application relates to an improvement of a valve cap, which is attached to a packaging body made of a non-breathable synthetic resin sheet or the like at an appropriate position.

[0002]

2. Description of the Related Art Conventionally, air-thick articles such as futons and blankets, granular grains to be stored for a long period of time are stored from an article storage port, and the article storage port is sealed by heat sealing or the like,
There is a package in which air existing in the sealed space is discharged to compress air-thick articles and to be stored under a low vacuum for granular grains to be stored for a long period of time. Then, a valved cap for discharging air existing in the sealed space is attached to an appropriate portion of such a package.

As such a cap with a valve, there is a cap shown in FIG. 7 which was previously filed by the inventors of the present application. This valve-equipped cap includes an upper cap 21, a lower cap 22, and a valve 23 arranged between them. The upper cap 21 is provided with an opening 25 at the center of the upper surface thereof, a male screw 27 on the outer peripheral wall thereof, and a separating body 28 inside to form a ventilation space 29. The lower cap 22 is provided with a vent 32, a seal receiver 33 is provided on the outer periphery of the vent 32, and a female screw 34 is provided on the inner peripheral wall. The valve 23 is provided with a sealing material 35 at the peripheral end and a position confirmation body 36 at the center of the upper surface. Then, the periphery of the mounting hole 10a of the package 10 is adhered to the peripheral end of the lower cap 22 by heat welding or using an adhesive, and the male screw 27 of the upper cap 21 is attached to the female screw 34 of the lower cap 22. They are screwed together.

In order to use the cap with a valve, as shown in FIG. 8, the upper cap 21 is loosened, and the seal receiver 33 of the lower cap 22 to the sealing material 35 of the valve 23 is used.
And the valve 23 is opened. Then, the suction hose H of a suction device such as an electric vacuum cleaner is pressed around the opening 25 of the upper cap 21, and the suction device is activated to discharge the air in the package 10. Then, the upper cap 21 is tightened again, the sealing material 35 of the valve 23 is brought into close contact with the seal receiver 33 of the lower cap 22, and the valve 23 is closed.

[0005]

However, in the conventional cap with a valve, the position confirming body 36 provided on the valve 23 is only for confirming the position of the valve 23, and the position of the valve 23 is adjusted. Therefore, when the upper cap 21 is closed and the valve 23 is closed after the air in the package 10 is exhausted as described above, the valve 23 tilts or shifts and the lower cap 22 moves. There is a problem that the seal member 35 of the valve 23 does not match the seal receiver 33 and the contact is incomplete, so that the valve 23 cannot be completely closed.

Therefore, the valve-equipped cap of the invention of this application is made to solve the problems of the conventional valve-equipped cap.

[0007]

Therefore, the valve cap according to the invention of this application is provided with an opening 5 at the center of the upper surface,
An upper cap 1 having a separating body 8 inside and a ventilation space 9 provided with a guide opening 11 in the center of the lower surface, a ventilation opening 12 provided around the guide opening 11, and a seal receiving member around the ventilation opening 12. The lower cap 2 is provided with 13, the sealing material 15 is provided at the peripheral end, and the valve 3 and the valve pressing body 4 are provided with the guide body 16 at the center of the lower surface. The packaging body 10 is adhered around the mounting hole 10a, the guide body 16 of the valve 3 is inserted into the guide opening 11 of the lower cap 2, the upper cap 1 and the lower cap 2 are detachably coupled, and the valve pressing body is further attached. The valve pressing body 4 is attached to the opening 5 of the upper cap 1 so that the lower end of 4 presses the valve 3 toward the lower cap 2.

[0008]

In the cap with a valve of the invention of this application, the guide body 16 of the valve 3 is inserted into the guide port 11 of the lower cap 2, so that the guide body 16 of the valve 3 is attached to the lower cap 2 when the valve 3 is opened. Since the valve 3 is guided by the guide port 11, the valve 3 does not tilt or shift between the upper cap 1 and the lower cap 2.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of a valve cap according to the invention of this application will be described below with reference to the drawings shown as embodiments.
As shown in the figure, the valve-equipped cap of the invention of this application comprises an upper cap 1 and a lower cap 2, a valve 3 arranged between them, and a valve pusher 4.

The upper cap 1 is provided with an opening 5 at the center of the upper surface, a vacuum degree adjusting valve 6 at an appropriate position on the upper surface, a male screw 7 on the outer peripheral wall, and a separating body 8 inside to provide a ventilation space. 9 is provided. The vacuum control valve 6 is
When the degree of vacuum in the package 10, which will be described later, becomes a certain degree or more, the package 10 is opened so that the degree of vacuum does not exceed that level.

The lower cap 2 is provided with a guide opening 11 at the center of the lower surface, a ventilation opening 12 is provided around the guide opening 11, a seal receiver 13 is provided around the ventilation opening 12, and a female screw 14 is provided on the inner peripheral wall. It is provided. The valve 3 has a sealing material 1 at the peripheral edge.
5 is provided, and a guide body 16 is provided at the center of the lower surface. The guide body 16 has the same shape as the guide opening 11 of the lower cap 2 and is inserted into the guide opening 11.

In the embodiment shown in FIG. 1 and FIG. 2, the valve pressing body 4 is set so that it can be fitted into the opening 5 of the upper cap 1 so that the elastic lower end presses the upper surface of the valve 3. Therefore, in the embodiment shown in FIG.
The upper cap 1 can be screwed into the opening 5 so that its lower end presses the upper surface of the valve 3.

The lower end of the lower cap 2 is attached to the periphery of the mounting hole 10a of the package 10 made of a non-breathable synthetic resin sheet as shown in FIG. Are glued together. The guide body 16 of the valve 3 is inserted into the guide opening 11 of the lower cap 2,
The upper cap 1 is screwed into and the two are detachably connected. Then, the valve pressing body 4 is attached to the opening 5 of the upper cap 1, and the lower end of the valve pressing body 4 presses the valve 3 toward the lower cap 2.

Then, a usage state of the valve-equipped cap of the invention of the present application constructed as described above will be described.
First, as shown in FIG. 5, an air-thick article W such as a futon or blanket is stored in the package 10 to which the valve cap of the present invention is attached, and the article storage port of the package 10 is heated. Seal by sealing. Next, the valve pressing body 4 is removed from the opening 5 of the upper cap 1, and the screwing of the upper cap 1 and the lower cap 2 is slightly loosened if necessary, and the seal receiving of the lower cap 2 is performed as shown in FIG. The sealing material 15 of the valve 3 is separated from the valve 13, and the valve 3 is opened. Then, the suction hose H of a suction device such as an electric vacuum cleaner is pressed around the opening 5 of the upper cap 1 to activate the suction device to discharge the air in the package 10. When the inside of the package 10 has a certain degree of vacuum or more, the vacuum degree adjusting valve 6 provided on the upper cap 1 is opened, and the degree of vacuum does not exceed that level, so that the suction device is not loaded.

After the inside of the package 10 has a certain degree of vacuum, the valve pressing body 4 is attached to the opening 5 of the upper cap 1 again (when the screwing of the upper cap 1 and the lower cap 2 is slightly loosened). When the screwing of the two is returned to the original state), the seal material 15 of the valve 3 is brought into close contact with the seal receiver 13 of the lower cap 2, and the valve 3 is closed.
Keep the inside of 0 closed.

[0016]

[Effect of the Invention] The valve cap of the invention of this application is
Since the valve 3 is configured as described above and the valve 3 does not tilt or shift between the upper cap 1 and the lower cap 2, the upper cap 1 is removed after the air inside the package 10 is discharged. Even when the valve 3 is closed by tightening it, the seal material 15 of the valve 3 can be aligned and brought into close contact with the seal receiver 13 of the lower cap 2, and the valve 3 can be completely closed.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing one embodiment of a valve cap according to the invention of the present application.

FIG. 2 is a sectional view showing an embodiment of a valve cap according to the invention of this application.

FIG. 3 is a sectional view showing another embodiment of the valve cap according to the present invention.

FIG. 4 is a perspective view of a non-breathable package in which the valve cap of the device of the present application is attached.

FIG. 5 is a perspective view showing a state in which an air-tight article is accommodated in a non-breathable package having a valved cap according to the invention of the present application, and an article storage port of the package is sealed.

FIG. 6 is an explanatory view showing a usage state of the valve cap according to the invention of this application.

FIG. 7 is an exploded perspective view of a conventional valve cap.

FIG. 8 is an explanatory view showing a usage state of a conventional valve cap.

[Explanation of symbols]

 1 Upper cap 2 Lower cap 3 Valve 4 Valve pusher 5 Opening 8 Separation body 9 Ventilation space 10 Packaging body 10a Mounting hole 11 Guide opening 12 Vent opening 13 Seal holder 15 Sealing material 16 Guide body

Claims (1)

[Scope of utility model registration request] 1. An upper cap 1 having an opening 5 in the center of an upper surface thereof, a separating body 8 provided therein, and a ventilation space 9 provided therein, and a guide port 11 provided in the center of the lower face, and ventilation is provided around the guide port 11. From the lower cap 2 provided with the opening 12 and the seal receiver 13 around the vent 12, the valve 3 provided with the sealing material 15 at the peripheral end and the guide body 16 in the center of the lower surface, and the valve pressing body 4. Then, the peripheral end of the lower cap 2 is adhered to the periphery of the mounting hole 10a of the air-impermeable packaging body 10, and the guide body 16 of the valve 3 is inserted into the guide port 11 of the lower cap 2 to form the upper cap 1 and The lower cap 2 is detachably coupled, and the valve push body 4 is attached to the opening 5 of the upper cap 1 so that the lower end of the valve push body 4 presses the valve 3 toward the lower cap 2. Cap with valve.