CN201225252Y

CN201225252Y - Gas charging and discharging device of air cushion

Info

Publication number: CN201225252Y
Application number: CNU2008201105316U
Authority: CN
Inventors: 陈颖姿
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-23
Filing date: 2008-05-23
Publication date: 2009-04-22
Anticipated expiration: 2018-05-23

Abstract

The utility model discloses an air inflation and exhaust device of an air cushion, which is combined on the inner surface of a chest-shaped regulation air cushion. The device mainly comprises an upper cover, a base and an air exhaust button, wherein the upper cover is convexly provided with a hemisphere cover, an air suction hole and an air exhaust hole; the base is combined on the lower surface of the upper cover and is provided with a hemisphere cover which forms a ball pump body with the hemisphere cover of the upper cover; the base is provided with an air inflation and exhaust hole; and the air exhaust button is arranged on the upper cover and can enclose the air exhaust hole. The air inflation and exhaust device is integrated with an air inflation part and an air exhaust part and has an extremely short air flow pipeline, thereby being capable of overcoming the defects of complicated structure and easy air leakage of an external connection air tube of the existing air inflation device.

Description

Air cushion fill venting gas appliance

Technical field

The utility model relates to a kind of venting gas appliance that fills, and particularly a kind of women's chest type that is applicable to is adjusted air cushion, and what have that one integrates fills the fill venting gas appliance of exhaust structure with the gas leakage defective that solves known inflator.

Background technique

Inflatable packer application in daily life is very wide, such as the air cushion of the air cushion of fire-fighting life-saving, seat and be used for the air cushion that women's chest type is adjusted.The inflation mode of these air cushions has plenty of the external equipment of dependence such as air pump gas is forced to pour in the air cushion, perhaps self has inflatable device, can inflate air cushion by manually-operable, and for example the chest type is adjusted air cushion.

The chest type adjust air cushion can be described as in the air cushion the most miniature, but it set off play a part aspect the perfect chest type of women very important.Women's chest type spacer has multiple filling mode, as water, silica gel and air etc., and be that the air cushion of packing is the safest and can adjusts the air cushion that aeration quantity change the external form size with user's demand with the air, a kind of chest type is as shown in Figure 7 adjusted air cushion 90, its inflator is incorporated into the inside of this air cushion, pushes a charging portion 91 and an exhaust portion 92 but have a relief in the air cushion surface.Push pushing charging portion 91 and can making the air cushion inflation of air cushion manually, when taking up room or when reducing the thermal expansion of air cushion, can realize by pushing exhaust portion 92 in order to reduce.

Aforesaid this chest type is adjusted air cushion, though the advantage that it has possessed the convenience inflation and has adjusted aeration quantity, but because it will push charging portion 91 and exhaust portion 92 combines with air cushion dividually, except the cohesive process more complicated, also engage the possibility that causes air tightness reduction increasing air cushion to lose heart because of many places.For this reason, therefore many improved inflators just produce, and wherein have to utilize to take over to connect inflation and row's device part, be integrated into one design and will fill exhaust, but this design has complicated structure mostly, and long adapter not only hinders charging efficiency, also can produce in adapter place and leak; Therefore, at present commercially available chest type is adjusted air cushion, and still to push the form that charging portion 91 and exhaust portion 92 separate the most general with above-mentioned.

The model utility content

Because traditional chest type is adjusted the separated type of air cushion and filled venting gas appliance and have above shortcoming, therefore, the purpose of this utility model is to provide a kind of will fill the venting gas appliance that fills that exhaust is integrated into one chest type air cushion, and it can solve the defective of known air cushion.

In order to achieve the above object, the utility model provides a kind of venting gas appliance that fills of air cushion, it is incorporated into the inner face of adjusting air cushion as the chest type, the venting gas appliance that fills of described air cushion comprises: a loam cake, its upper surface convexes with half ball cover, sides adjacent at the hemisphere cover is disposed with first bonnet, second bonnet, wherein has a suction port at the first bonnet place, and second bonnet has an exhaust port; Base, it is incorporated into the lower surface of loam cake, have and the common hemisphere cover that forms a ball pump housing of the hemisphere cover of loam cake, sides adjacent at the hemisphere cover of base is disposed with first foot valve seat, second foot valve seat, wherein the bottom of second foot valve seat has the double exhaust port of an inflation, and first bonnet of loam cake combines with first foot valve seat of base, and loam cake second bonnet combines with second foot valve seat of base; The underseal lid, it is sleeved on the outside of second foot valve seat of base, and its bottom has a perforate, and sidepiece is provided with at least one fluting; The exhaust button, its bottom is arranged with a spring and is arranged at the second bonnet place; First ends vent plug, in the inner space after it is arranged at first bonnet and first foot valve seat combines, and the suction port of closed above; Second ends vent plug, and it is arranged in the space between the underseal lid inner bottom surface and the second foot valve seat outer bottom, the inflation of the closed base exhaust port of holding concurrently.

The aforesaid venting gas appliance that fills of the present utility model, wherein, what gas leakage arranged though second bonnet of the loam cake at exhaust button place still exposes outside the air cushion surface may, but because the gas leak in the air cushion, one inflation of second foot valve seat that must be by the filling venting gas appliance inside exhaust port of holding concurrently, up release outside the exhaust port ability by the suction port or second bonnet again, and above three be in and have all when not filling exhaust only that vent plug is used for sealing its opening, so that the probability that leaks takes place to inflate the utility model is very little.In addition, the utility model will fill discharge portion and integrate by above-mentioned structural configuration, and the pipeline of its gas flow is very short, can avoid the labyrinth of known external tracheae and the defective of gas leakage.

Description of drawings

Fig. 1 is the stereochemical structure exploded view that fills first embodiment of venting gas appliance of the present utility model.

Fig. 2 is the schematic representation that first embodiment of the present utility model combines with air cushion.

Fig. 3 is the front cross sectional view of first embodiment's of the present utility model structure.

Fig. 4 to Fig. 6 is incorporated into air cushion inside and operates the phase diagram of filling exhaust for showing first embodiment of the present utility model, and wherein Fig. 4 is the charge operation state; Fig. 5 is the suction operation state; Fig. 6 is the bleeding state.

Fig. 7 is the structural representation that existing a kind of chest type is adjusted air cushion.

[primary component symbol description]

The utility model

10 fill venting gas appliance 11 loam cakes

111 hemisphere covers, 112 first bonnets

113 second bonnets, 114 suction ports

115 ring-type legs, 116 exhaust ports

117 ring-type legs, 118 bumps

119 external form rims

12 bases

121 hemisphere covers, 122 first foot valve seats

The double exhaust port of 123 second foot valve seats, 124 inflations

125 ring-type legs, 129 external form rims

13 underseals cover 131 perforates

132,133 flutings

14 exhaust buttons

141 press parts, 142 detent plug portions

15 springs 16 first end vent plug

161 detent plug sheets, 162 foams

17 second end vent plug 171 detent plug sheets

172 foams, 20 air cushions

21 perforates

Known technology

90 chest types are adjusted air cushion 91 and are pushed charging portion

92 exhaust portion

Embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, to describe structure characteristic of the present utility model and purpose effect in detail.

Referring to figs. 1 through Fig. 3, the air cushion of preferable enforcement structure of the present utility model fill venting gas appliance 10, can be incorporated in the equipment that can be inflated as air cushion 20 (Fig. 2) etc., fill venting gas appliance 10 and comprise:

Loam cake 11, it is to convex with hemisphere cover 111 on a lamellar body and its upper surface, sides adjacent at the hemisphere cover is disposed with first bonnet 112, second bonnet 113, wherein first bonnet 112 comprises a suction port 114 that is arranged on the lamellar body, and the ring-type leg 115 (Fig. 3) that protrudes from the lower surface of lamellar body; And second bonnet 113 comprises an exhaust port 116, and is the center with this exhaust port 116, ring-type leg 117 that protrudes from the upper surface of lamellar body and the bump 118 that is formed at the lamellar body lower surface;

Base 12, it is incorporated into the lower surface of loam cake 11 and its and has hemisphere cover 111 common hemisphere covers 121 that form a ball pump housing with loam cake, sides adjacent at the hemisphere cover 121 of base 12 is disposed with first foot valve seat 122, second foot valve seat 123, wherein the bottom of second foot valve seat 123 has the inflation exhaust port 124 of holding concurrently, and the ring-type leg 125 (Fig. 3) that protrudes from the lamellar body lower surface; The ring-type leg 115 of first bonnet 112 of loam cake 11 is packed in first foot valve seat 122 of base 12, and second bonnet 113 is packed into the bump 118 with exhaust port in second foot valve seat 123;

Underseal covers 13, is set in second foot valve seat, 123 outsides of base 12, and the bottom of this underseal lid 13 has perforate 131, and its sidepiece is provided with at least one fluting, is provided with the fluting 132,133 of twice symmetry as the structure of present embodiment;

Exhaust button 14, it is located in second bonnet 113 and has the press part 141 that is positioned at the top and the detent plug portion 142 that is positioned at the stage casing, wherein detent plug portion 142 is located at the bottom of the exhaust port 116 of second bonnet 113, and, make detent plug portion 142 closed grate hole 116 for a long time by 141 bottoms, press part and the spring between the inner face of second bonnet 113 15 that is set in exhaust button 14.

Fill venting gas appliance 10 and comprise that also at least one ends the gas element, for example this preferred embodiment comprises that first ends vent plug 16 and second and end vent plug 17, is to be made by the material with elasticity and lighter weight such as foam and detent plug sheet; Wherein in first inner space of ending after vent plug 16 is arranged at first bonnet 112 and first foot valve seat 122 combines, first ends vent plug 16 comprises the detent plug sheet 161 on upper strata and the foam 162 of lower floor, wherein detent plug sheet 161 is that airtight material is so that be used for sealed porosity, and foam 162 is ventilative and have an elastic-restoring force, so that pore will be withstood on the detent plug sheet 161, make that can end vent plug 16 with first as shown in Figure 3 when not moving seals suction port 114 as elastomer; In like manner, second ends vent plug 17 is arranged at underseal and covers in the space between 13 inner bottom surfaces and second foot valve seat, 123 outer bottoms, second ends vent plug 17 comprises the detent plug sheet 171 on upper strata and the foam 172 of lower floor, and can end vent plug 17 with second and seal the inflation of second foot valve seat 123 exhaust port 124 outlets of holding concurrently when not moving.First ends detent plug sheet 161,171 and the foam 162,172 that vent plug 16 and second ends vent plug 17, is the structure of one in preferable enforcement structure of the present utility model, but also can is the independent component up and down that can separate; In addition, foam 162,172 also can be replaced by elastic elements such as springs.

Extremely shown in Figure 6 as Fig. 4, the air cushion of the structure of the preferable enforcement of the utility model fill venting gas appliance 10, can utilize mode gluing or the high frequency heat fusion to be incorporated into the inner face of air cushion 20 (Fig. 2) or other any equipment that is inflated during application as in inflation clothing, the inflation footwear; And its mode of operation of filling exhaust is as follows:

When the ball pump housing that the hemisphere cover of pushing simultaneously up and down by the hemisphere cover 111 of loam cake 11 and base 12 121 is constituted, gas is exported and is ended by first between the ring-type leg 115 of first bonnet 112 foam 162 (but having the characteristic that supplied gas is passed through) of vent plug 16 by the ball pump housing, be squeezed to second downwards and ended vent plug 17 via the inflation of base 12 exhaust port 124 of holding concurrently again, make the double exhaust port 124 of inflation open, thereby two flutings 132,133 enter in the air cushion 20 about making gas by underseal lid 13.In above-mentioned gas replenishment process, the first detent plug sheet 161 that ends vent plug 16 is still pushed up the suction port 114 that clogs first bonnet 112 for a long time by top on the foam 162, simultaneously, the top power that exhaust button 14 makes progress by spring 15, make the bottom of detent plug portion 142 closed grate holes 116, make gas only charge into air cushion 20 thus and can not leak to air cushion (Fig. 4).

When unclamping to the pushing of the ball pump housing, negative pressure is replied and produced to the body of the ball pump housing, the outer barometric pressure of air cushion 20 end vent plug 16 with first and pushs downwards, make the outer gas of air cushion suck in the ball pump housings by suction port 114 and storage is exported when treating next time charge operation; In addition, second ends vent plug 17 replys original shape and makes detent plug sheet 171 seal the bottom of second foot valve seat 123 again, makes the gas that charges in the air cushion can not be sucked into (Fig. 5) in the ball pump housing via the double exhaust port 124 of inflation.

When carrying out exhaust when wanting to adjust the aeration quantity of gassiness air cushion, the press part 141 that can push exhaust button 14 is downward with pressuring spring 15, the sealing that detent plug portion 142 is broken away from exhaust port 116 bottoms; Simultaneously, exhaust button 14 bottoms press down second and end vent plug 17, make the inflation exhaust port 124 of holding concurrently open once more and make gas can discharge air cushion outer (Fig. 6) thus.

Let out row's operation as can be known by above-mentioned inflation, suppose that the venting gas appliance body that fills of the present utility model leaks, the gas that then charges in the air cushion 20 must just can leak to outside the air cushion by the detent plug valve that is arranged at the double exhaust port 124 of inflation and exhaust port 116 or suction port 114 3 places, and described three detent plug valves break down simultaneously and it is very little to bring into play the possibility of airway dysfunction only, that is to say, by the above-mentioned venting gas appliance 10 that fills of the present utility model is arranged in an air cushion or the similar device that is inflated expansion, not only can reach and to fill the purpose that bleeding is rolled into one, and have very good anti-gas-leak ability.

The aforesaid venting gas appliance 10 that fills of the present utility model, wherein loam cake 11 is preferably with base 12 and respectively has an external form rim 119,129, with easily, densely with both combinations.In addition, above preferred embodiment of the present utility model is to comprise that loam cake 11 end faces of hemisphere cover 111 and external form rim 119 are incorporated into the inner face of air cushion; In addition, for reaching ambient atmos is sucked the purpose of originally filling in the venting gas appliance, be preferably at suction port 114 places that air cushion 20 is close to first bonnet 112 of loam cakes 11 one perforate 21 is set, and more preferably as extremely preferred embodiment shown in Figure 6 of Fig. 4, this perforate 21 relatively is arranged at suction port 114 places of first bonnet 112 of loam cake 11, to reach best air-breathing effect.

The above only is a most preferred embodiment of the present utility model, but structure characteristic of the present utility model is not limited thereto, and variation that those skilled in the art can expect easily or improvement all belong within the scope of the present utility model.

Claims

1, a kind of air cushion fill venting gas appliance, the inner face that it is incorporated into air cushion is characterized in that, comprising:

One loam cake, its upper surface convexes with half ball cover, is disposed with first bonnet, second bonnet in the sides adjacent of hemisphere cover, wherein has a suction port at the first bonnet place, and second bonnet has an exhaust port;

One base, it is incorporated into the lower surface of loam cake, have and the common hemisphere cover that forms a ball pump housing of the hemisphere cover of loam cake, sides adjacent at the hemisphere cover of base is disposed with first foot valve seat, second foot valve seat, wherein the bottom of second foot valve seat has the double exhaust port of an inflation, and first bonnet of loam cake combines with first foot valve seat of base, and second bonnet of loam cake combines with second foot valve seat of base;

One underseal lid, it is sleeved on the outside of second foot valve seat of base, and its bottom has a perforate, and sidepiece is provided with at least one fluting;

One exhaust button, its bottom is arranged with a spring and is arranged at the second bonnet place;

First ends vent plug, in the inner space after it is arranged at first bonnet and first foot valve seat combines, and the suction port of closed above;

Second ends vent plug, and it is arranged in the space between the underseal lid inner bottom surface and the second foot valve seat outer bottom, the inflation of the closed base exhaust port of holding concurrently.

2, the venting gas appliance that fills as claimed in claim 1, it is characterized in that, first bonnet of described loam cake has a ring-type leg that is protruded by lamellar body downwards, and insert with a ring-type leg in first foot valve seat of base, and the bottom that second bonnet has exhaust port is formed with a protuberance, and inserts in second foot valve seat with this protuberance.

3, the venting gas appliance that fills as claimed in claim 1 is characterized in that, the top of exhaust button is the press part, and till the stage casing piston part, and detent plug is deployed the exhaust port bottom into second bonnet.

4, the venting gas appliance that fills as claimed in claim 1 is characterized in that, first ends vent plug and second each of ending in the vent plug further comprises airtight detent plug sheet that is positioned at the upper strata and the spring that is positioned at lower floor.

5, the venting gas appliance that fills as claimed in claim 1 is characterized in that, first ends vent plug and second each of ending in the vent plug further comprises the airtight detent plug sheet that is positioned at the upper strata and is positioned at the ventilative of lower floor and the rubber-like foam.

6, the venting gas appliance that fills as claimed in claim 5 is characterized in that, first ends vent plug and second, and only the detent plug sheet and the foam of vent plug are one or separable structure.

7, the venting gas appliance that fills as claimed in claim 1 is characterized in that, loam cake respectively has with base makes the two closely knit external form rim that combines.

8, the venting gas appliance that fills as claimed in claim 1 is characterized in that, the end face of loam cake is incorporated into the inner face of air cushion.

9, the venting gas appliance that fills as claimed in claim 6 is characterized in that, the suction port place of first bonnet of the contiguous loam cake of air cushion is provided with a perforate.

10, the venting gas appliance that fills as claimed in claim 6 is characterized in that, the air cushion at the suction port place of first bonnet of loam cake is relatively set with a perforate.