CN200982472Y

CN200982472Y - Gas-valve for quick air escape

Info

Publication number: CN200982472Y
Application number: CN 200620148802
Authority: CN
Inventors: 韩春菊
Original assignee: Apex Medical Corp
Current assignee: Wellell Inc
Priority date: 2006-10-25
Filing date: 2006-10-25
Publication date: 2007-11-28
Anticipated expiration: 2016-10-25

Abstract

n air valve which can fast escape air. The air valve comprises a first valve body and a second valve body, wherein the pressure gas connected with the first valve body is injected into the second valve body, the pressure gas is self connected with the pipe body of a gas tube line to be injected into the gas tube line through the channel of the second valve body. The surface of the second valve body is provided with a cover board which can open, in the emergency that the air valve needs to escape air, the only thing needed doing is to open the cover board, the pressure gas provided by the first valve body is discharged at high speed from the second valve body and goes through the channel of the second valve body, thereby carrying the residual gas which is in the gas tube line connected with the pipe body of the second valve body to discharge from the second valve body at high speed.

Description

But the air valve of quick air releasing

Technical field:

But the utility model relates to a kind of air valve of quick air releasing, refers to a kind of air valve that is used in air bed especially, when urgent, utilizes this air valve operation, can fast the gas in the air bed be released.

Background technique:

The air bed that generally is used for patient as shown in Figure 9, is the bed surface that forms a placement patient with the horizontal inflation bar 91 of most marshallings, and coats with fixing inflation bar 92 around it.Prevent that for reaching the long-term contact of patient skin from bedsore taking place, and laterally have the design that charges and discharge gas on the inflation bar 91.

Referring to Figure 10, wherein laterally inflate bar and have upper gas chamber 91a and lower chamber 91b, wherein upper gas chamber 91a can charge and discharge gas, and lower chamber 91b then remains full of state.For preventing bedsore or making patient ventilative, the upper gas chamber 91a that often will laterally inflate the odd number bar of bar is made as inflation (shown in arrow among the figure makes progress), the upper gas chamber 91a of even number bar then is venting (shown in arrow among the figure is downward), with this rule alternately charge and discharge gas, contact breathing freely of skin with bed surface to keep patient.

In order to reach this function, connect an air valve 94 with position, three holes at the pipeline of air compressor 93, the inflation line 94a in the middle of it keeps pressurized gas and is communicated with lower chamber 91b and fixing inflation bar 92; Left and right

sides inflation line

94b and 94c then are connected with the upper gas chamber 91a of odd number or even number respectively, and by the air distributing device in the air valve 94, and may command discharging gas.

But when patient emergency is taken place and must be made cardiopulmonary resuscitation (CPR), the residual gas in the air bed must be discharged fully.Traditional method is that the pipeline that is connected on the valve body 94 is got rid of, and makes the gas of air bed release naturally.Yet so disappointing speed is too slow, about one minute usually, might incur loss through delay the time of implementing CPR, and cause sorry.Therefore, but how providing the air bed air valve of a quick air releasing, is for the utility model category to be discussed mainly.

The model utility content:

The technical problem that the utility model solved is: at above-mentioned the deficiencies in the prior art, but provide a kind of air valve of quick air releasing, can be applicable to the gas-filled type air bed, when patient runs into emergency, the cover plate of air valve can be opened, make the quick air releasing of air bed, and can implement CPR to patient as early as possible.

In order to solve the problems of the technologies described above, the technological scheme that the utility model adopted is: but a kind of air valve of quick air releasing, this air valve is connected with inflation line, and it comprises one first valve body, one second valve body, reaches cover plate, and this first valve body has the air inlet system of connection pressurized gas; Be characterized in: the inside of described one second valve body has the passage that extends to the surface, and extends the body that is connected with described inflation line in channel end; This second valve body is connected with above-mentioned first valve body, makes above-mentioned pressurized gas enter body and inject inflation line through passage; Described cover plate is located at second valve body surface to cover passage with openable.

Because this air valve forms with first valve body and the second valve body group structure, the pressurized gas that first valve body connects are injected in second valve body, and the passage in second valve body makes pressurized gas inject inflation line from the body that connects inflation line.Be provided with an openable cover plate on the surface of second valve body, when running into emergency and need lose heart, only need cover plate is opened, the pressurized gas that utilize first valve body to provide release at a high speed from second valve body, by the passage in second valve body, and then drive the residual gas that the second valve body body connects in the inflation line and release from second valve body fast, can be fast the gas of air bed be released; Its cover plate is to be articulated on the aeroscopic plate, and is fastened on a buckle on the button piece of aeroscopic plate, makes things convenient for open operation.

Below, will structure of the present utility model and operating function be described in detail according to the embodiment shown in the drawing.

Description of drawings:

Fig. 1 represents exploded view of the present utility model,

Fig. 2 represents the exploded view of another angle of the present utility model,

Fig. 3 represents constitutional diagram of the present utility model,

Fig. 4 represents front section view of the present utility model,

Fig. 5 represents side sectional view of the present utility model,

The action diagram that on behalf of cover plate of the present utility model, Fig. 6 open,

Fig. 7 is identical with Fig. 4, but cover plate is unlocked showing disappointing action,

Fig. 8 represents the access diagram of second valve body of the present utility model,

Fig. 9 represents the schematic representation of known air bed group,

The generalized section of the horizontal inflation bar of air bed in Figure 10 representative graph 9.

Label declaration:

10 ... the

first valve body

10a, 10b, 10c ... pore

11 ... air inlet adorns 12 ... motor

13 ... linking block 14 ... air distributing device

20 ... the

second valve body

20a, 20b, 20c ... pore

21a, 21b, 21c

... passage

22a, 20b, 22c ... tracheae

23 ... catching groove 30 ... aeroscopic plate

31

... screw

30a, 30b, 30c ... gas port

32 ... depressed part 33 ... pivot connected slot

34 ... button piece 35 ... conduit

351 ... otch 40 ... cover plate

41 ... pin joint seat 42 ... buckle

43 ... projection 44 ... packing ring

91 ... inflation bar 92 ... fixing inflation bar

91a ... upper gas chamber 91b ... lower chamber

93 ... air compressor 94 ... air valve

94a, 94b, 94c ... inflation line

Embodiment:

See also Fig. 1 to Fig. 3, air valve provided by the utility model is mainly constituted with one first valve body 10, one second valve body 20, an aeroscopic plate 30 and a cover plate 40.

First valve body 10 has an air inlet system 11, and this air inlet system 11 is connected so that pressurized gas to be provided with compressor.First valve body, 10 inside have one group of air distributing device 14 that drives with motor 12, referring to shown in Figure 4, make pressurized gas be dispensed to the first pore 10a, the second pore 10b and the 3rd pore 10c of bottom.The bottom surface of first valve body 10 forms a linking block 13, and the end port of three

pore

10a, 10b, 10c is formed on the linking block 13.The first pore 10a provides certain pressurized gas, and second and

third pore

10b and 10c then alternately provide high pressure to charge and discharge gas.

The end face of second valve body 20 forms a pair of catching groove 23, and the contiguous block 13 that it is embedded in first valve body 10 closely links win valve body 10 and second valve body 20, can be referring to shown in Figure 5.Second valve body, 20 end faces are provided with the first pore 20a, the second pore 20b and the 3rd pore 20c with respect to three

pore

10a, 10b, 10c of first valve body 10; After linking, three

pore

20a, 20b of three

pore

10a, 10b, 10c and second valve body 20 of

first valve body

10,20c are with the binding of air-tight.Offer first passage 21a, second channel 21b and the third channel 21c of perforation to the bottom surface on second valve body 20, their front end is connected with the first pore 20a, the second pore 20b and the 3rd pore 20c respectively, can be referring to Fig. 2 and shown in Figure 4; And first passage 21a, second channel 21b and third channel 21c are communicated to the extended first body 22a in second valve body, 20 sides, the second body 22b and the 3rd body 22c respectively, with with pressurized gas through the inflation line that is connected with body, referring to 94a shown in Figure 3,94b, 94c dispatch to air bed.

Aeroscopic plate 30 is locked in the bottom surface of second valve body 20 with screw 31, with sealing first passage 21a, second channel 21b and third channel 21c; And aeroscopic plate 30 bottom surfaces form a depressed part 32, and on the concave face of this depressed part 32, forming the first gas port 30a, the second gas port 30b and the 3rd gas port 30c, it aligns with the first pore 20a, the second pore 20b and the 3rd pore 201c that second valve body, 20 pressurized gas enter respectively.Extend the conduit 35 of a tool otch 351 above the first gas port 30a, this conduit 35 stretches in the first passage 21a of second valve body 20, and these conduit 35 ends are near the first pore 20a of second valve body 20.Be respectively equipped with a pivot connected slot 33 and a button piece 34 in the both sides of aeroscopic plate 30.

Cover plate 40 1 lateral margins have a pin joint seat 41, are articulated in the pivot connected slot 33 of aeroscopic plate 30, make cover plate 40 to be center aeroscopic plate 30 rotations relatively by this pin joint seat 41; In addition, cover plate 40 is provided with a buckle 42 with respect to another lateral margin of pin joint seat 41, makes this buckle 42 when cover plate 40 is covered on the aeroscopic plate 30, can be fastened on piece 34, makes cover plate 40 firmly cover and can not get loose.The depressed part 32 of the relative aeroscopic plate of the end face of cover plate 40 30 bottom surfaces forms a projection 43, and this projection 43 just in time stretches into depressed part 30 when cover plate 40 is covered on aeroscopic plate 30; Simultaneously, at projection 43 peripheral envelope unification packing ring 44, can reach airtight effect.

Cooperate Fig. 9, the air inlet system 11 of first valve body 10 of the present utility model to be connected and pressurized gas are provided with air compressor 93; Second valve body, the 20 extended first body 22a then discharge for fixing pressurized gas, are connected to lower chamber 91b and fixing inflation bar 92 with inflation line 94a.In addition, the second body 22b and the 3rd body 22c provide the high pressure of alternate type to charge and discharge gas with the upper gas chamber 91a that

inflation line

94b and 94c are connected to odd number or even number respectively.

When running into the state of emergency, can as shown in Figure 6 cover plate 40 be opened, make that the first gas port 30a, the second gas port 30b and the 3rd gas port 30c on the aeroscopic plate 30 opens; Referring to Fig. 8, this moment is because the first pore 20a on second valve body 20, the second pore 20b and the 3rd pore 20c still have the pressurized gas that send from first valve body 10, and the first gas port 30a that on aeroscopic plate 30, aims at and be unlocked, the second gas port 30b and the 3rd gas port 30c discharge at a high speed, make second valve body 20 extend and

inflation line

94a, 94b, the first body 22a that 94c connects, residual gas in the second body 22b and the 3rd body 22c, through first passage 21a, second channel 21b and third channel 21c, can be by the first pore 20a, the pressurized gas that the second pore 20b and the 3rd pore 20c release out drive, and fast with pressurized gas together respectively from the first gas port 30a, the second gas port 30b and the 3rd gas port 30c discharge outside second valve body 20, can be referring to shown in the streamline of Fig. 8, to reduce the disappointing time of whole air bed.

Because aeroscopic plate 30 has covered first passage 21a, second channel 21b and the third channel 21c of second valve body 20, the usefulness that makes pressurized gas drive residual gas more improves.Certainly,, and directly cover first passage 21a, second channel 21b and the third channel 21c of second valve body 20, also can improve the speed of releasing of residual gas with cover plate 40 air-tights if do not use aeroscopic plate 30.

Because shown in the drawing only is a kind of preferred embodiment of the present utility model, does not limit claim with this.As the simple and easy or equivalent change of doing according to this technological thought, for example cover plate covers or opens with other known form, or the variation of the second valve body internal channel etc., all still belong among the utility model scope of patent protection.

Claims

But 1, a kind of air valve of quick air releasing, this air valve is connected with inflation line, and it comprises one first valve body, one second valve body, reaches cover plate, and this first valve body has the air inlet system of connection pressurized gas; It is characterized in that: the inside of described one second valve body has the passage that extends to the surface, and extends the body that is connected with described inflation line in channel end; This second valve body is connected with above-mentioned first valve body, makes above-mentioned pressurized gas enter body and inject inflation line through passage; Described cover plate is located at second valve body surface to cover passage with openable.
But 2, the air valve of quick air releasing according to claim 1 is characterized in that: described air valve further comprises an aeroscopic plate, and it is located between the cover plate and second valve body surface, to cover the passage of second valve body; Has gas port on this aeroscopic plate.
But 3, the air valve of quick air releasing according to claim 2 is characterized in that: described first valve body links to each other with compressor, has first pore, second pore and the 3rd pore that are connected with air inlet system;

The end face of described second valve body is provided with first pore, second pore and the 3rd pore with respect to three pores of above-mentioned first valve body; This second valve body and first valve body link, and make three pore air-tights bindings of three pores with second valve body of the valve body of winning; Offer the first passage, second channel and the third channel that connect to the surface in this second valve body, front end is connected with first pore, second pore and the 3rd pore of above-mentioned second valve body respectively; And above-mentioned first passage, second channel and third channel are communicated to respectively from extended first body in the second valve body side, second body and the 3rd body, and this body is connected with described inflation line respectively;

Described aeroscopic plate is fixed in the bottom surface of above-mentioned second valve body, with sealing first passage, second channel and third channel; The gas port that forms on it is first gas port, second gas port and the 3rd gas port, is connected with first passage, second channel and third channel on above-mentioned second valve body respectively, and aims at first pore, second pore and the 3rd pore; And

Described cover plate air-tight is covered on above-mentioned aeroscopic plate bottom surface, to seal above-mentioned first gas port, second gas port and the 3rd gas port.
But 4, the air valve of quick air releasing according to claim 3 is characterized in that: described first valve inner has one pressurized gas is dispensed to the air distributing device of first pore, second pore and the 3rd pore of bottom.
But 5, the air valve of quick air releasing according to claim 3 is characterized in that: the bottom surface of described first valve body forms a linking block, and the end port of above-mentioned three pores is formed on this linking block; One fixing pressurized gas are provided in the middle of above-mentioned first pore is positioned at, and second and third pore then provides the alternate type high pressure to charge and discharge gas; And the described second valve body end face forms a pair of catching groove, and second valve body is halved together by the contiguous block to the catching groove and first valve body, and second and third pore of second valve body and second and third pore of first valve body are closely linked.
But 6, the air valve of quick air releasing according to claim 3, it is characterized in that: the conduit of a tool otch is extended in the top of first gas port of described aeroscopic plate, this conduit stretches in the first passage of above-mentioned second valve body, and this catheter tip is near first pore of second valve body.
But 7, the air valve of quick air releasing according to claim 3, it is characterized in that: a side of described aeroscopic plate is provided with a pivot connected slot, and above-mentioned cover plate one lateral margin has a pin joint seat, be articulated in the pivot connected slot of above-mentioned aeroscopic plate, make cover plate can this pin joint seat be the center and relatively aeroscopic plate rotate to be and open or cover.
But 8, the air valve of quick air releasing according to claim 3 is characterized in that: a side of described aeroscopic plate is provided with a button piece, and above-mentioned cover plate is provided with a buckle relatively, and this buckle is fastened on when cover plate is covered on aeroscopic plate buckles piece.
But 9, the air valve of quick air releasing according to claim 3 is characterized in that: described aeroscopic plate forms a depressed part, and gas port is arranged at this depressed part surface; The depressed part of the above-mentioned relatively aeroscopic plate of end face of cover plate forms a projection in addition, and this projection just in time stretches into depressed part when cover plate is covered on aeroscopic plate.
But 10, the air valve of quick air releasing according to claim 3 is characterized in that: the projection peripheral envelope unification packing ring of described cover plate.