CN2313073Y

CN2313073Y - Inflator having air-extraction function

Info

Publication number: CN2313073Y
Application number: CN 97223868
Authority: CN
Inventors: 黄书彬
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-10
Filing date: 1997-06-10
Publication date: 1999-04-07
Anticipated expiration: 2007-06-10

Abstract

The utility model discloses an inflator having an air-extraction function. The end part of the existing inflator is sealed by a sealing head, and an air rod has a section of gap on the lower end of the sealing head. The gap is communicated with the outside by a channel arranged on one side wall. A channel port is provided with an air-extraction tube. The air rod do reciprocating motion up and down, which can generate negative pressure in the inflator. Thereby, the inflator has an air suction function. The utility model has the advantages of simple structure and convenient use. The inflator having an air-extraction function enables a common inflator to have a vacuum extraction capacity. Thus, the utility model solves the defect that the existing vaccum extraction equipment can not be widely used by families.

Description

A kind of inflator with the effect of bleeding

The utility model relates to a kind of inflator with the function of bleeding.

At present, inflator generally only has aerification function and does not have the effect of bleeding, and current people often take vacuum-packed means for to fresh-keeping needs such as food, beverages.Therefore pressed for as the widely used air-extractor of bicycle pump, but the vacuumizing device overwhelming majority is not suitable for family at present, use in places such as market.People also design portable small-sized pump bowl for this reason, but this pump bowl complex structure, there is not other again such as functions such as inflations, so consider to be difficult for being widely used from price performance, its structure is also because of the packaging container kind is different, so use occasion also is restricted simultaneously.

The purpose of this utility model is to provide a kind of use extensive, simple in structure, has the inflator of bleeding with aerification function.

The purpose of this utility model utilizes end socket, exhaust tube, sealing valve that existing pump repacking is realized.The termination of pump is sealed by end socket, the gas bar passes from end socket central authorities, and between end socket bottom and the gas bar space is arranged, offer in from the inflator sidewall toward end socket that the space communicates between a gentle bar of passage and the end socket, exhaust tube is connected on the opening of passage inflator sidewall, another termination blanket gas mouth of exhaust tube, the sealing valve has unidirectional blockage structure, and sealing valve and exhaust tube can be separated.The sealing valve can pass container wall and extend in the container, so, when the gas bar moves reciprocatingly the generation negative pressure in inflator, just can be to producing vacuum action in the container.Sealing valve air cavity has piston near the part that head promptly extend in the container, and spring is arranged behind the piston, and there is baffle plate sealing valve periphery.This kind device is equivalent to an one-way cock, makes the air in the container can only go out and can not advance, and seals valve in addition and also is furnished with the liner plate that can allow blanket gas mouth portion pass, and the liner plate periphery has the eaves with baffle plate outer rim coupling.Can conveniently seal valve like this and make fixing on the soft wrapping bag in plastic film and other material.The mouth of pipe of bleeding is installed a sealing valve joint, it is the horn-like inner chamber of sucker structure that the outlet port is arranged in the joint, because horn-like inner chamber has the degree of pulling out of pushing away, therefore seal valve and not only can fill in sealing valve joint inner chamber easily, and the joint engages close and firm.The sealing valve can also become the spike thing of flat pointed no air cavity for head, and its head width is greater than the nail shank diameter, and thickness is less than the nail shank diameter, and the spike thing is vertically fixed on the baffle plate of area greater than nail bar and head sectional area.The sealing valve of this structure is mainly used on the rigid container that materials such as iron, aluminium make.During use, to seal valve hammers in the container, and the sealing valve splice housing on the exhaust tube lived the outer baffle plate of wall, when inflator was bled, valve moved outside the container wall inward wall, because the valve head is flat pointed, so existing outstanding end restriction valve skids off from container, leave the through hole that allows the interior air of container be drawn out of again, after finishing when bleeding, ambient pressure compressing valve baffle plate seals up bleeder hole.

The utility model is compared with pump bowl with existing pump, it combines the inflation and the two kinds of functions of bleeding, and its function of bleeding is by converting existing pump, therefore structure is not only simple, and easily be extensive use of by places such as family, markets, exceed and take up space, be difficult for losing.The sealing valve of this device use goes for various soft, hard packing cases in addition, applied range, and also sealing is easily, reliably.

By the following examples and in conjunction with the accompanying drawings the utility model is described further.

Fig. 1 is that embodiment assembles schematic representation.

Fig. 2 is structure and the use schematic representation that is fit to the sealing valve of soft wrapping bag use.

Fig. 3 is the blanket gas mouth structure schematic representation that is fit to the hard packing container.

Fig. 4 is the elevational schematic view of Fig. 3.

Fig. 5 is that sealing valve shown in Figure 3 uses schematic representation.

Among Fig. 1, the upper end of pump 1 is sealed up by end socket 3, and the gas bar 2 of pump passes end socket 3.Gas bar 2 closely contacts with it and air tight at the first half of end socket 3, in the Lower Half of end socket 3 then and space 4 is arranged between the end socket, space 4 is connected outside the wall of inflators 1 by a passage 5, and the opening 6 of passage 5 is located on the sidewall of inflator 1, opening 6 has internal thread, the outside thread coupling on it and the joint 7.Two of exhaust tube 8, an insertion joint 7, the other end connects sealing valve joint 9, and sealing valve joint 9 has horn-like inner chamber 10, and inner chamber 10 becomes sucker structure 11 in the outlet port of sealing valve joint.

Fig. 2 is a kind of sealing valve 16 structures and uses schematic representation.In the air cavity in the sealing valve 16 piston 13 is arranged, piston 13 has spring 12 near the valve head in the air cavity behind the piston 13.Sealing valve 13 has a circle baffle plate 14, is furnished with the liner plate 17 of a band eaves 15 in addition, and a hole 19 of mating with the head that seals valve 13 is arranged on the liner plate 17, and liner plate eaves 15 and baffle plate 14 outer rim shapes match, and therefore can block baffle plate 14.The sealing valve 16 of this structure is particularly suited for flexible containers such as plastic bag.During use, earlier liner plate 17 is placed in the plastic bag 18, the baffle plate 14 with valve 16 sticks into outside plastic bag 18 eaves of liner plate 17 again, and while valve head penetrates the plastic bag wall and puts in the bag from liner plate hole 19.So sealing valve 16 is securely fixed on the plastic bag.The afterbody of sealing valve 16 promptly is exposed in the horn-like inner chamber 10 of sealing valve joint that the outer part of plastic bag puts in exhaust tube 8, because horn-like inner chamber 10 has the pushing structure, so valve 16 can closely be adjacent to internal chamber wall, is unlikely to gas leakage.Seal the valve joint simultaneously and can inhale on baffle plate 14, whole device is connected as a single entity by feat of sucker 11.Because valve 16 has non-return valve function, air can only outwards be extracted out from plastic bag, thus bleed finish after, make valve 16 and sealing valve joint separately, and valve 16 be retained on the plastic bag wall get final product.

Fig. 3 and Fig. 4 have reflected that another kind is suitable for the sealing valve 20 that uses on the containers such as hard packing such as preserving jar.This sealing valve 20 is by baffle plate 21, and nail bar 22 and flat pointed head 23 are formed a spike thing.Head 23 width are wideer than nail bar 22 diameters, and thickness is narrower than nail bar 22 diameters, and baffle plate 21 areas are greater than the sectional area of nail bar 22 and head 23.

Fig. 5 has reflected the behaviour in service of sealing valve 20.Container 25 is glass preserving jars, to seal valve 20 hammers in the bottle from bottle cap 26, therefore on bottle cap, penetrate a hole 24, and the cross section in hole 24 is not simple circular hole, therefore the valve 20 that only needs will hammer in the bottle misplaces slightly, head 23 just can prevent that valve 20 from moving upward and come off from bottle cap, and leaves the space and allow air therefrom pass.Therefore will seal valve 20 places in the cavity that seals valve joint 9, and the sucker on the sealing valve joint 9 is sucked on bottle cap 26 surfaces, just can begin to bleed, when bleeding, valve 20 upwards liftings, the air of bottle in 25 are drawn out of from hole 24, and the backboard 21 that finishes of bleeding falls and relies on the inside and outside pressure difference of bottle closely to seal hole 24.Play the effect that keeps vacuum state in the bottle.

Claims

1, a kind of inflator with the effect of bleeding utilizes end socket (3), exhaust tube (8), and the sealing valve converts existing pump, it is characterized in that:

The termination of pump is sealed by end socket (3), gas bar (2) passes from end socket (3) central authorities, and between end socket bottom and the gas bar (2) space (4) is arranged, offer in (3) from the inflator sidewall toward end socket that space (4) communicates between the gentle bar of a passage (5) and the end socket (3), exhaust tube (8) is connected on the opening (6) of passage (5) inflator sidewall, another termination blanket gas mouth of exhaust tube (8), the sealing valve has unidirectional blockage structure, and sealing valve and exhaust tube can be separated.

2, the inflator with the effect of bleeding according to claim 1 is characterized in that:

Near head piston (13) is arranged in sealing valve (16) air cavity, spring (12) is arranged behind the piston (13), and the outer baffle plate (14) that is with of sealing valve (16).

3, the inflator with the effect of bleeding according to claim 1 is characterized in that:

The mouth of pipe of bleeding is installed a sealing valve joint (9), and it is the horn-like inner chamber (10) of sucker structure (11) that the outlet port is arranged in the joint (9).

4, the inflator with the effect of bleeding according to claim 2 is characterized in that:

Sealing valve (16) is furnished with the liner plate (17) that can allow blanket gas mouth portion pass, the eaves (15) that liner plate (17) periphery has and baffle plate (14) outer rim is mated.

5, according to right 3 described pump bowls, it is characterized in that with getter action:

Sealing valve (20) can be the spike thing of flat pointed no air cavity for head (23), its head (23) width is greater than nail bar (22) diameter, thickness is less than nail bar (22) diameter, and the spike thing is vertically fixed on the baffle plate (21) of area greater than nail bar (22) and head (23) sectional area.