CN2781117Y

CN2781117Y - Distributing valve device of air cushion bed

Info

Publication number: CN2781117Y
Application number: CN 200520053721
Authority: CN
Inventors: 刘承楚
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-10
Filing date: 2005-01-10
Publication date: 2006-05-17
Anticipated expiration: 2015-01-10

Abstract

The utility model relates to an air distributing valve device of an air cushion bed, which comprises a control valve and a magnetized iron core, wherein the control valve has two air holes and an air inlet, and a valve block which has magnets on both ends is arranged inside the valve; magnetic valve plates which are opposite to the valve block are arranged on both ends of the control valve; the polarities of the magnetic poles on the opposite surfaces of the valve plates and the magnets of the valve are reverse; in addition, the magnetized iron core is provided with a coil and the magnetic poles on both ends of the magnetized iron core can be changed as energizing the coil. By means of arranging the control valve on both end parts of the magnetized iron core, the valve plate can be controlled to move by using the change of the magnetic poles so as to determine an air inflow and an air outflow states of the control valve.

Description

The distributing valve device of air bed

Technical field

The utility model is the distributing valve device about a kind of air bed, refers to the device of a convertible air bed air feed state especially.

Background technique

In the suction valve structure of traditional air bed, be that a kind of relevant design shown in Fig. 6,7 is arranged, it is to comprise valve seat A and rotary cover B, wherein, be to be provided with first a tracheae A1 who communicates with air bed, the second tracheae A2 on this valve seat A periphery, and the inlet hole A3 that communicates with compressor, and establish the appearance hole A4 that tool communicates with inlet hole A3 in valve seat A center and stretch through wherein, and on valve seat A face, establish the first pore A5 and the second pore A6 that tool communicates with the first tracheae A1 and the second tracheae A2 respectively for motor C axle center C1; And rotary cover B center is that to establish tool fixed hole B1 fixing wherein with latch D for the motor C axle center C1 back that stretches through wherein, and offers groove B2 and exhaust port B3 on the capping of rotary cover B.When motor C rotates, but driven rotary lid B is rotated relative to the first pore A5 and the second pore A6 with its groove B2 and exhaust port B3.When exhaust port B3 and groove B2 relative with the first pore A5 is relative with the second pore A6, the first tracheae A1 that should be communicated with the first pore A5 then is exhaust condition, the second tracheae A2 that communicates with the second pore A6 then is the air inlet state, thus, this suction valve can switch the inlet, outlet state of the first tracheae A1 and the second tracheae A2 by the drive of motor C.

Yet, in above-mentioned traditional suction valve, because only combining only by the axle center of motor back that stretches through between valve seat and rotary cover is fixed with latch, the gas that suction tude is exported from the gap outflow that rotary cover and valve base chamber had, can't reach splendid airtight effect easily.Add, this structure causes in power failure or fault can't air inlet the time, because the exhaust port of the rotary cover of suction valve is for one open; When having a power failure, this exhaust port there is no the design that any resistance is covered, so the gas in the air bed will be discharged via the exhaust port of suction valve rotary cover, make gas dissipation in the air bed, and the patient that order couches on air bed feels like a hen on a hot girdle.

The model utility content

The purpose of this utility model provides a kind of distributing valve device of air bed that can conversion air feed state.

For achieving the above object, solution of the present utility model is: a kind of distributing valve device of air bed, it comprises control valve and magnetization iron core, and wherein control valve is to comprise first valve body, second valve body, valve piece, ventilation seat and pad, and is mounted on the two relative ends of magnetization iron core; Establish passage in this first valve body and second valve body and stretch for valve piece appearance, the periphery of passage is the moulding air chamber, and is to establish first pore that tool one communicates with air chamber on first valve body, and an inlet hole that communicates with passage; Then be provided with second pore that another communicates with air chamber on second valve body; Be to establish the tool opening on the valve piece, its two end is to be provided with the relative magnet of same magnetic; Ventilation seat is the end that is arranged at first valve body and second valve body, on its seat surface is to offer vent, then is provided with the valve plate of tool magnetic in the seat, and valve plate is opposite with pole polarity on the valve piece magnet opposing side; Pad is relative ventilation seat and be arranged at first valve body and second valve end, and sets out pore on the pad face; Magnetization is to establish the tool coil on the iron core, and establishes the tool exhaust port in two ends of magnetization iron core and communicate with the air outlet hole of pad, magnetizes the pole polarity of electric core two ends with conversion when the coil electricity.

Be to offer communication port on the air outlet hole of this pad.

After adopting such scheme, when the coil electricity of magnetization on the iron core, to make two ends of magnetization iron core produce opposed polarity, and then make valve piece in the control valve and valve plate inhale mutually because of polarity or repel each other opening and closing the air outlet hole of pad, in order to do inlet, outlet state with first pore on the switching control valve and second pore.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is an assembled sectional view of the present utility model;

Fig. 3 is an enforcement schematic representation of the present utility model;

Fig. 4 is an action schematic sectional view of the present utility model;

Fig. 5 is another action schematic sectional view of the present utility model;

Fig. 6 is an assembled sectional view of commonly using structure;

Fig. 7 is the A-A sectional view of Fig. 6.

Symbol description

1 control valve, 11 first valve bodies, 111 passages, 112 air chambers

113 first pores, 114 inlet holes, 12 second valve bodies, 121 passages

122 air chambers, 123 second pores, 13 valve pieces, 131 openings

132 magnet, 133 magnet, 14 ventilation seats, 14 ' ventilation seat

141 vents, 141 ' vent, 142 protruding wall 142 ' protruding walls

15 valve plates, 15 ' valve plate, 16 pads, 16 ' pad

161 air outlet holes, 161 ' air outlet hole, 162 communication port, 162 ' communication port

2 magnetization iron cores, 21 coils, 22 ends, 221 exhaust ports

23 ends, 231 exhaust ports, 3 air beds, 31 first air cushion groups

32 second air cushion groups, 4 compressor A valve seat A1, first tracheae

The A2 second tracheae A3 inlet hole A4 holds hole A5 first pore

The A6 second pore B rotary cover B1 fixed hole B2 groove

B3 exhaust port C motor C1 axle center

Embodiment

As shown in Figure 1, the utility model is to comprise control valve 1 and magnetization iron core 2, and wherein: control valve 1 is to comprise first valve body 11, second valve body 12, valve piece 13, ventilation seat 14, valve plate 15 and pad 16; This first valve body 11 and second valve body 12 are established passage 111,121 in being and are held for valve piece 13 and stretch, the outer periphery of passage 111,121 are moulding air chambers 112,122, and be to establish first pore 113 that tool one communicates with air chamber 112 on first valve body 11, an and inlet hole 114 that communicates with passage 112; Then be provided with second pore 123 that another communicates with air chamber 122 on second valve body 12;

Be to establish tool opening 131 on the valve piece 13, and to be arranged with the relative magnetic flux gas seat 14,14 ' of two homopolarities in its two end be the end that is arranged at first valve body 11 and second valve body 12 respectively, be to offer vent 141,141 ' on its seat surface, and on inside and outside two of seat, be convexly equipped with the protruding wall 142,142 ' that is higher than seat surface between two parties, and in seat, then be provided with the valve plate 15,15 ' of a tool magnetic; On the pad 16,16 ' is to offer air outlet hole 161,161 ', and this air outlet hole 161,161 ' and offer communication port 162,162 ' on face relatively;

Magnetization is to establish tool coil 21 on the iron core 2, and when coil 21 energisings, can produce opposed polarity in two

ends

22,23 of magnetization iron core 2, and is the exhaust port 221,231 that offers perforation respectively on 22,23 in two ends.

Borrow it, as shown in Figure 2, be to make first valve body 11 and second valve body 12 be interconnected to form one, and make valve piece 13 be placed in the passage 111,121, the air chamber 112,122 of order ventilation seat 14,14 ' relative respectively first valve body 11 and second valve body 12 covers again, valve plate 15,15 ' then with valve piece 13 on magnet 132,133 opposing sides tool identical polar the plate face and be placed in the ventilation seat 14,14 ', relative with magnet 132 on the valve piece 13; At last, make again pad 16,16 ' relatively ventilation seat 14,14 ' lid establish, in order to do to constitute a control valve 1 main body.

22,23 of relative two ends that the control valve of finishing 1 directly is mounted on magnetization iron core 2 have been assembled in multiple order, and this pad 16,16 ' air outlet hole 161,161 ' are then suitable to communicate with magnetizing iron core 2 exhaust ports 221,231, and constitutes a distributing valve device.

As shown in Figure 3, Yu Zushe is during to air bed 3, be to make first pore 113 of control valve 1 be connected with the first air cushion group 31 of air bed 3 set tools, second pore 123 then is connected with the second air cushion group 32, and make inlet hole 114 and compressor 4 join, and when compressor 4 action air inlets, be able to switch the gaseity that of first pore 113 and second pore 123 by control valve 1, alternately inflated and cooled down with the first air cushion group 31 that makes air bed 3 set tools and the second air cushion group 32.

Under the cold pattern of normality, shown in Fig. 2,3, these magnetization iron core 2 two

ends

22,23 will not switch on because of coil 21 and do not have magnetic, valve plate 15 in the control valve 1,15 ' magnetizes iron core 2

ends

22,23 relatively and tightly is adsorbed on the pad 16,16 ' because of establishing tool magnetic, in order to do cover pad 16,16 ' air outlet hole 161,161 ' with resistance fully, the gases that originally filled in the air bed 3 can't be flowed out by air outlet hole 161,161 '; Add, magnet 132,133 polarity of valve piece 13 2 ends are because of different with polarity on valve plate 15, the 15 ' opposing side, the principle of repelling each other based on the opposite sex, to make valve piece 13 move to the central position and hinder and cover inlet hole 114, and the opening 131 on it makes first pore 113 communicate with second pore 123, and then the pressure in the equilibrium valve.In this simultaneously, this air bed 3 since control valve 1 Upper gasket 16,16 ' air outlet hole 161,161 ' be resistance and cover obstructed situation, so also can keep certain gas pressure in the air bed 3.

Under the state that the coil 21 of magnetization iron core 2 is switched on, as Fig. 3, shown in 4, two ends 22 of this magnetization iron core 2, if 23 magnetic poles are when being respectively the S utmost point and the N utmost point, two valve plates 15 in this control valve 1, in 15 ', because two valve plates 15,15 ' with magnetization iron core 2 two ends 22, magnetic pole on 23 opposing sides is the N utmost point, and make two valve plates 15, in 15 ', one valve plate 15 is opposite with the magnetic pole of magnetization iron core 2 ends 22, another valve plate 15 ' is a same pole with magnetization iron core 2 ends 23 then, makes one valve plate 15 ' to repel each other because of the same sex and recesses on the protruding wall 142 ' that is closely against ventilation seat 14 ' face.Another valve plate 15 then is adsorbed on the pad 16 because of the principle that there is a natural attraction between the sexes, and then air outlet hole 161 is covered in resistance.In this simultaneously, magnet 133 polarity on this valve piece 13 are butted on so can attract each other on the protruding wall 142 ' of ventilation seat 14 ' because of opposite with the magnetic pole of magnetization iron core 2 ends 23, cover the opening 131 of valve piece 13 so as to resistance.In this state following time, the gas that is flow to by inlet hole 114 will flow to first pore 113 via the passage 111 in the control valve 1 and send in the air bed 3, the gas that second pore 123 flows to is then flowed out by the air outlet hole 161 ' of the vent 141 ' on the ventilation seat 14 ' through pad 16 ', sees through communication port 162 ' (will not illustrate) ' and the exhaust port 231 of magnetization iron core 2 ends 23 quicken to discharge.

Otherwise, as shown in Figure 5, in the magnetization iron core 2 two ends, 22,23 magnetic poles be respectively the N utmost point and S timely, then two valve plates 15,15 ' will be because of the polarity effect, now one valve plate 15 ' pastes the air outlet hole 161 ' that is butted on pad 16 ' because of there is a natural attraction between the sexes, it is the state of recessing the air outlet hole 161 of pad 16 that another valve plate 15 then repels each other because of the same sex, makes first pore 113 be exhaust condition, and 123 at second pore is the air inlet state.Coil 21 energisings on this magnetization iron core 2 and change the polarity of two

ends

22,23, make two valve plates 15,15 ' utilize the characteristic that the same sex is repelled each other or the opposite sex is repelled each other because of two ends, 22,23 magnetic, and switched the inlet, outlet state of first pore 113 and second pore 123.

The above person of thought, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, promptly the simple equivalent of doing according to the utility model claim and novel description generally changes and modifies, in should still belonging to the scope that the utility model patent contains.

Claims

1, a kind of distributing valve device of air bed is characterized in that: comprise control valve and magnetization iron core, wherein control valve is to comprise first valve body, second valve body, valve piece, ventilation seat and pad, and is mounted on the two relative ends of magnetization iron core; Establish passage in this first valve body and second valve body and stretch for valve piece appearance, the periphery of passage is the moulding air chamber, and is to establish first pore that tool one communicates with air chamber on first valve body, and an inlet hole that communicates with passage; Then be provided with second pore that another communicates with air chamber on second valve body;

Be to establish the tool opening on the valve piece, its two end is to be provided with the relative magnet of same magnetic; Ventilation seat is the end that is arranged at first valve body and second valve body, on its seat surface is to offer vent, then is provided with the valve plate of tool magnetic in the seat, and valve plate is opposite with pole polarity on the valve piece magnet opposing side;

Pad is relative ventilation seat and be arranged at first valve body and second valve end, and sets out pore on the pad face;

Magnetization is to establish the tool coil on the iron core, and establishes the tool exhaust port in two ends of magnetization iron core and communicate with the air outlet hole of pad, magnetizes the pole polarity of electric core two ends with conversion when the coil electricity.

2. the distributing valve device of air bed as claimed in claim 1 is characterized in that: be to offer communication port on the air outlet hole of this pad.