CN201240563Y - Charging valve - Google Patents

Abstract

The utility model relates to the valve technical field, in particular relates to an inflation valve which comprises a first plastic film and a second plastic film; both sides of the first plastic film are in sealed joint with both sides of the second plastic film to form an inflation channel between the two plastic films; an ink layer is printed on the surface of the first plastic film, and the ink layer is positioned at one side of the first plastic film, facing to the second plastic film. When the inflation valve is used for an inflation bag, the blocking of the inflation channel is controlled by the internal air pressure of the inflation bag. The blocking of the inflation channel can be realized easily through the joint of the two plastic films, combining with the characteristics of the plastic films. The inflation valve has the advantages of simple structure and convenient use; besides, during the assembly process that the valve is fused with an inflation bag through hot pressing or high frequency, the inflation channel is ensured not to be blocked due to the arrangement of the ink layer; the rapid assembly production of the inflation valve and the bag body can be realized through once hot pressing.

Description

Charging valve

Technical field:

The utility model relates to valve technology field, particularly charging valve.

Background technology:

For electronic product, other accurate products, the stability that guarantees them in transportation is very crucial, therefore, usually uses material such as foam that the said goods is packed, to reach shockproof effect.But, existing packing volume is bigger, and productive costs is higher, can not be fit to the shockproof processing of numerous dissimilar products.At present, there also have producer to adopt air bag to carry out to be anti-vibration protected, but existing air bag, the integral structure more complicated, production program is trouble, and productive costs is more higher.Experimental results show that, adopt the plastic production air bag more convenient, and productive costs is also lower, but, still suitable without comparison charging valve can cooperate the plastic inflatable bag to use at present, therefore, needs a kind of aerated bag valve of research and development, can cooperate the plastic inflatable bag to use, can not increase the complexity of production simultaneously again and increase productive costs.

The utility model content:

The purpose of this utility model is to provide charging valve at the deficiencies in the prior art, and it can cooperate the plastic inflatable bag to use, and has advantages such as simple in structure, convenient for production.

For achieving the above object, the utility model adopts following technical scheme:

It comprises first plastic film, second plastic film, first plastic film and the second plastic film both sides involution, the middle filling channel that forms, when cooperating air bag to use, to inflatable bag inflating, air pressure inside compresses first plastic film and second plastic film and blocks filling channel behind the inflatable bag inflating by filling channel.

The described first plastic film surface printing has ink lay, and ink lay is positioned at the side towards second plastic film.

The beneficial effects of the utility model are, by two plastic film both sides involutions, the middle filling channel that forms, when cooperating air bag to use, the blocking-up of filling channel is controlled by the air bag air pressure inside, characteristics in conjunction with plastic film itself, can realize the applying of two plastic films easily and block filling channel, be simple in structure and convenient in use.

Description of drawings:

Fig. 1 is a cutaway view Amplified image of the present utility model

Fig. 2 is a front view of the present utility model

Fig. 3 is a use scheme drawing of the present utility model

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is further described.

The following stated only is a better embodiment of the present utility model, does not therefore limit protection domain of the present utility model.

See accompanying drawing 1-3, the utility model comprises first plastic film 10, second plastic film 20, generally speaking, first plastic film 10 and second plastic film 20 can stick together with comparalive ease, first plastic film 10 and second plastic film, 20 both sides involutions, the middle filling channel 30 that forms, when cooperating air bag to use, by 30 pairs of inflatable bag inflatings of filling channel, air pressure inside compresses first plastic film 10 and second plastic film 20 and blocks filling channel 30 behind the inflatable bag inflating.

There is involution line 80,90 the utility model first plastic film 10 and second plastic film, 20 both sides, and the tension force that so just can reduce owing to plastic film self makes air pressure can not well compress blocking-up filling channel 30.

Described first plastic film, 10 surface printings have ink lay 40, ink lay 40 can be along filling channel 30 printing certain-lengths, and ink lay 40 is positioned at the side towards second plastic film 20, and promptly ink lay 40 is positioned on the filling channel 30, and ink lay 40 is printed between the two involution lines 80,90.

Figure 2 shows that the scheme drawing when the utility model cooperates air bag to use, air bag is by first plastic sheet 50 and 60 hot pressing of second plastic sheet or high frequency fused forming, offer inflation inlet 70 on the air bag, the utility model valve promptly is installed on inflation inlet 70 places, air bag and the utility model valve also are by hot pressing or high frequency fused combining, by 30 pairs of inflatable bag inflatings of filling channel, air pressure inside compresses first plastic film 10 and second plastic film 20 and blocks filling channel 30 behind the inflatable bag inflating.

The below installation of summary the utility model valve and air bag: because the setting of ink lay 40, only need a hot pressing or high frequency fused, can so that first plastic sheet 50 and 10 hot pressing of first plastic film together, second plastic sheet 60 and 20 hot pressing of second plastic film together, simultaneously, ink lay 40 can not press together first plastic film 10 and second plastic film 20 and blocks filling channel 30; If printing ink layer 40, then first plastic film 10 and second plastic film 20 will press together in hot pressing or when high frequency fused, thus blocking-up filling channel 30.

Because previous reasons, ink lay 40 can print certain-lengths along filling channel 30, and guarantees that when hot pressing, the position of hot pressing is positioned on the ink lay 40.

The utility model also is applicable to the use of liquid soft package bag.

The utlity model has the advantages such as simple in structure, easy to use.

Claims (2)

1, charging valve, it is characterized in that: it comprises first plastic film (10), second plastic film (20), first plastic film (10) and second plastic film (20) both sides involution, the middle filling channel (30) that forms, when cooperating air bag to use, to inflatable bag inflating, air pressure inside compresses first plastic film (10) and second plastic film (20) and blocks filling channel (30) behind the inflatable bag inflating by filling channel (30).

2, charging valve according to claim 1 is characterized in that: described first plastic film (10) surface printing has ink lay (40), and ink lay (40) is positioned at the side towards second plastic film (20).

Images