CN107320844A - A kind of external counterpulsation Air inflating and exhausting valve - Google Patents
A kind of external counterpulsation Air inflating and exhausting valve Download PDFInfo
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- CN107320844A CN107320844A CN201710784510.6A CN201710784510A CN107320844A CN 107320844 A CN107320844 A CN 107320844A CN 201710784510 A CN201710784510 A CN 201710784510A CN 107320844 A CN107320844 A CN 107320844A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- General Engineering & Computer Science (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of external counterpulsation Air inflating and exhausting valve, including valve block, inflation electromagnet, exhaust electromagnet, in valve block provided with a cavity and and porting, inflation sleeve and exhaust sleeve are installed with the cavity of valve block, inflation sleeve in exhaust sleeve with being each provided with through hole；Valve block is provided with inflation inlet and exhaust outlet；It is provided with inflation sleeve in inflation valve element and inflation valve core reseting spring, exhaust sleeve and exhaust plug and exhaust plug back-moving spring is installed；Exhaust plug, inflation valve element each include cylindrical barrel portion and transmission bar portion；The respective transmission bar portion of inflation valve element, exhaust plug stretches out in valve block；Inflation electromagnet is arranged on valve block and is connected with the transmission bar portion for inflating valve element；Exhaust electromagnet is arranged on valve block and is connected with the transmission bar portion of exhaust plug.The present invention has production efficiency height, production cost low, easy to maintenance, can save the cost needed for for user, not result in waste, the features such as being conducive to energy-conserving and environment-protective.
Description
Technical field
The present invention relates to medical device technology technical field, particularly a kind of external counterpulsation Air inflating and exhausting valve.
Background technology
External counterpulsation is a kind of non-invasive aid blood circulation method.It is, in diastole, to be forced by air bag
Limbs and Gluteal artery blood reflux are to sustainer, to improve the pressure and blood volume of sustainer, so as to increase the weight such as heart and brain kidney
Want the hemoperfusion amount of organ.And Air inflating and exhausting valve is the crucial executive component on external counterpulsation apparatus, it is control air bag that it, which is acted on,
Inflation and exhaust, orderly compressing in vitro and vasodilator are reached, so as to complete the medical procedure of external counterpulsation.
External counterpulsation Air inflating and exhausting valve in the market mainly has the following two kinds：
One kind is：A kind of scheme as described in Chinese Patent Application No. 01271520.4, entitled " electromagnetic gas-supplying valve " that
Sample, is provided with two coil cases built in the valve body of the Air inflating and exhausting valve of this scheme, composite valve group is provided with each coil case
Part, resets and is provided with armature on valve member, to realize that, in the case where coil case is powered, resetting valve member can be in coil case
On the one hand middle movement, the structure of this type needs to use special coil case, and also needs to install on composite valve component
Upper armature, there is it, structure is complex, the high shortcoming of production cost, on the other hand because built in coil case, and coil case
It is also a part being easily damaged, so that changing highly inconvenient during coil case damage, maintenance difficulty is big, Yong Huzhi
Connect and abandoned and can cause to waste, be unfavorable for energy-conserving and environment-protective.
It is another to be：As Chinese Patent Application No. 201320649309.4, it is entitled that " environment-friendly type external counterpulsation is special to fill row
Like that, the Air inflating and exhausting valve of this scheme includes top plate, cavity and base to scheme described in air valve ", and top plate surrounds main chamber with cavity
Body, base, which is provided with to open on inlet plenum, top plate, is provided with exhaustion plate, forms exhaust chamber between the exhaustion plate and top plate, enters
Gas chamber, exhaust chamber are connected with main cavity respectively, although this Air inflating and exhausting valve employs two external electromagnet to entering
Vent closure effect in gas chamber in inlet seal part and exhaust chamber, inlet plenum and row due to this Air inflating and exhausting valve
Gas chamber be not at grade, and two electromagnet are separately mounted on top plate and exhaustion plate, cause inlet seal part,
The mandrel that vent closure is connected with electromagnet is different in size in structure, so that needing to process different length in production
Two mandrels, substantially reduce ground production efficiency, improve the production cost of product, be unfavorable for the development of enterprise.
The content of the invention
It is an object of the invention to provide a kind of external counterpulsation Air inflating and exhausting valve, the Air inflating and exhausting valve have it is simple in construction, set
Meter science, production efficiency are high, production cost is low, are conducive to the developing of enterprise, easy to maintenance, and not only contributing to save for user makes
Required cost is used, waste, the advantages of being conducive to energy-conserving and environment-protective are not resulted in also.
The technical proposal of the invention is realized in this way：A kind of external counterpulsation Air inflating and exhausting valve, including valve block, inflation electricity
Magnet, exhaust electromagnet, its feature, which is in the valve block to be provided with a cavity, the valve block, to be additionally provided with and the cavity phase
The porting of insertion, inflation sleeve and exhaust sleeve are installed with the cavity of valve block, in inflation sleeve and exhaust
The through hole for making its inner chamber be connected with the porting is each provided with sleeve；The valve block, which is provided with, to be only capable of covering with inflation
The inflation inlet that the inner chamber of cylinder connects, is additionally provided with the exhaust outlet for being only capable of connecting with the inner chamber of exhaust sleeve on valve block；Institute
Inflation valve element and inflation valve core reseting spring are installed, the inflation valve element includes linking together in the inner chamber for stating inflation sleeve
Cylindrical barrel portion and transmission bar portion；Exhaust plug and exhaust plug back-moving spring are installed in the inner chamber of the exhaust sleeve；Institute
State cylindrical barrel portion and transmission bar portion that exhaust plug includes linking together；Inflate the transmission bar portion of valve element and the biography of exhaust plug
Lever portion stretches out in valve block；The inflation valve element can inflation sleeve motion relatively, inflation valve element is with its cylindrical barrel portion
Inflation inlet is closed to the gas circuit between porting；The exhaust plug can exhaust sleeve motion relatively, exhaust plug with
Its cylindrical barrel portion closes porting to the gas circuit between exhaust outlet；The inflation electromagnet is arranged on valve block, and this fills
Pneumoelectric magnet is connected with inflating the transmission bar portion of valve element；The exhaust electromagnet is arranged on valve block, and the exhaust electromagnet
It is connected with the transmission bar portion of exhaust plug.
Further, it is provided with the inflation sleeve on plastic bearing, the periphery of the cylindrical barrel portion of the inflation valve element
Provided with an annular groove, sealing ring is installed in annular groove；Pass through the plastic bearing and the sealing between inflation sleeve and inflation valve element
Enclose into promoting the circulation of qi sealing.
Yet further, plastic bearing, the periphery of the cylindrical barrel portion of the exhaust plug are installed in the exhaust sleeve
An annular groove is provided with, sealing ring is installed in annular groove；By the plastic bearing and this is close between exhaust sleeve and exhaust plug
Promoting the circulation of qi sealing is entered in seal.
Beneficial effects of the present invention：The present invention is arranged on the outside of valve block by will inflate electromagnet, exhaust electromagnet
On so that it can directly be changed inflating when electromagnet, exhaust electromagnet are damaged, nor need to design specially to make
Inflation electromagnet or exhaust electromagnet are used for the present invention, the present invention is had simple in construction, design science, maintenance side
Just, not only contribute to save the cost needed for for user, waste is not resulted in also, is conducive to the advantage of energy-conserving and environment-protective；In addition,
Design of the invention by being installed with inflation sleeve and exhaust sleeve in the cavity of valve block, inflation sleeve, exhaust flange
Cylinder is arranged in same cavity, and is correspondingly provided with inflation valve element, exhaust plug, the present invention is used identical structure and specification
Inflation sleeve and exhaust sleeve and the inflation valve element and exhaust plug of identical structure and specification, there are the parts in the present invention
Versatility, it is not necessary to produce the sleeve or valve element of various structures, makes the present invention have production efficiency height, production cost low, has
Beneficial to the advantage of the development of enterprise.
Brief description of the drawings
Fig. 1 is broken section structural representation of the invention.
Fig. 2 is positive structure diagram of the invention.
Fig. 3 is side structure schematic view of the invention.
Fig. 4 is the cross section structure diagram for inflating valve element of the invention.
Fig. 5 is the cross section structure diagram of the exhaust plug of the present invention.
Description of reference numerals：1- valve blocks, 11- cavitys, 12- portings, 13- inflation inlets, 14- exhaust outlets, 15- chambers
Seat, 16- inflations end cap, 17- exhaust end covers, 18- inflations end connector, 19- exhausts end connector, 2- inflations electromagnet, 3- exhaust electricity
Magnet, 4- inflation sleeves, 41- inflations valve element, 42- inflations valve core reseting spring, 5- exhaust sleeves, 51- exhaust plugs, 52- rows
Gas valve core back-moving spring, 61- cylindrical barrel portions, 62- transmissions bar portion, 63- passages, 64- annular grooves, 65- top pressures bulge loop, 7- plastic shafts
Hold, 8- sealing rings, 9- sealing rings, 10- seal sleeves, 20- buffer rubber gaskets, 30- fixed parts, 40- silencer mechanisms, 401- disappear
Sound device cylinder, 402- screw shackles, 403- low-density sponges, 404- mesh stainless (steel) wire, 405- stainless steel olives net, 406- elasticity
Back-up ring, 50- through holes.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of external counterpulsation Air inflating and exhausting valve of the present invention, including valve block
1st, it is provided with a cavity 11, the valve block 1 and is additionally provided with and the sky in inflation electromagnet 2, exhaust electromagnet 3, the valve block 1
The porting 12 that chamber 11 connects, is installed with inflation sleeve 4 and exhaust sleeve 5 in the cavity 11 of valve block 1, described
Porting 12 is opened on the valve block 1 between inflation sleeve 4 and exhaust sleeve 5, in inflation sleeve 4 and exhaust sleeve
The through hole 50 for making its inner chamber be connected with the porting 12 is each provided with 5；The valve block 1 is provided with and is only capable of and inflates
The inflation inlet 13 that the inner chamber of sleeve 4 connects, is additionally provided with the row for being only capable of connecting with the inner chamber of exhaust sleeve 5 on valve block 1
Gas port 14；Inflation valve element 41 and inflation valve core reseting spring 42, the inflation valve element are installed in the inner chamber of the inflation sleeve 4
41 include the cylindrical barrel portion 61 linked together and transmission bar portion 62；Exhaust plug is installed in the inner chamber of the exhaust sleeve 5
51 with exhaust plug back-moving spring 52；The exhaust plug 51 includes the cylindrical barrel portion 61 linked together and transmission bar portion 62；
Inflate the transmission bar portion 62 of valve element 41 and the transmission bar portion 62 of exhaust plug 51 stretches out in valve block 1, inflation set of the invention
Cylinder 4, exhaust sleeve 5 are arranged in same cavity 11 so that inflation sleeve 4 and row that the present invention can be using identical structure and specification
The inflation valve element 41 and exhaust plug 51 of air-casing cylinder 5 and identical structure and specification, make the parts in the present invention have versatility, no
Need to produce the sleeve or valve element of various structures, having the present invention, production efficiency is high, production cost is low, is conducive to enterprise
The advantage of development；It is described inflation valve element 41 can relatively described inflation sleeve 4 move, inflation valve element 41 closed with its cylindrical barrel portion 61
Inflation inlet 13 is to the gas circuit between porting 12；The exhaust plug 51 can relatively described exhaust sleeve 5 move, exhaust plug
51 close porting 12 to the gas circuit between exhaust outlet 14 with its cylindrical barrel portion 61；In order that the inflation valve element 41 of invention and row
The structure of gas valve core 51 is more reasonable, the gas circuit between inflation inlet 13 and porting 12 is connected, porting 12 with
Gas circuit between exhaust outlet 14 is connected, as shown in figure 1, between the cylindrical barrel portion 61 and transmission bar portion 62 of the inflation valve element 41
Provided with passage 63, passage 63 also is provided between the cylindrical barrel portion 61 and transmission bar portion 62 of the exhaust plug 51；The inflation
Electromagnet 2 is arranged on valve block 1, and the inflation electromagnet 2 is connected with inflating the transmission bar portion 62 of valve element 41；The exhaust electricity
Magnet 3 is arranged on valve block 1, and the exhaust electromagnet 3 is connected with the transmission bar portion 62 of exhaust plug 51.The present invention is by inciting somebody to action
Inflate the design that electromagnet 2, exhaust electromagnet 3 are arranged on outside valve block 1 so that in inflation electromagnet 2, exhaust electromagnet 3
Can directly be changed during damage, nor need design exclusively with inflation electromagnet 2 or exhaust electromagnet 3 supply
The present invention is used, and the present invention is had simple in construction, design science, easy to maintenance, is not only contributed to save for user and is used institute
Cost is needed, waste is not resulted in also, is conducive to the advantage of energy-conserving and environment-protective.
In order that the better tightness of the present invention, is tightly connected realization between inflation valve element 41 and inflation sleeve 4, such as schemes
1st, shown in Fig. 4, it is provided with plastic bearing 7, the periphery of the cylindrical barrel portion 61 of the inflation valve element 41 and sets in the inflation sleeve 4
There is an annular groove 64, sealing ring 8 is installed in annular groove 64；Between inflation sleeve 4 and inflation valve element 41 by the plastic bearing 7 and
The sealing ring 8 enters promoting the circulation of qi sealing.Similarly, it is tightly connected, such as schemes in order that being realized between exhaust plug 51 and exhaust sleeve 5
1st, shown in Fig. 5, it is provided with plastic bearing 7, the periphery of the cylindrical barrel portion 61 of the exhaust plug 51 and sets in the exhaust sleeve 5
There is an annular groove 64, sealing ring 8 is installed in annular groove 64；Between exhaust sleeve 5 and exhaust plug 51 by the plastic bearing 7 and
The sealing ring 8 enters promoting the circulation of qi sealing.
In order that the structure of the valve block 1 of the present invention is simpler, the production of valve block 1 of the present invention is set to get up more to hold
Easily, as shown in Figure 1 and Figure 2, the valve block 1 includes chamber seat 15, inflation end cap 16, exhaust end cover 17, inflation end connector 18, row
Gas end connector 19, the chamber seat 15 is provided with two upper accents and two lower accents, and the porting 12 is located on chamber seat 15；
Lid is equipped with described inflation end cap 16, exhaust end cover 17, two of chamber seat 15 respectively on two upper accents of the chamber seat 15
Described inflation end connector 18, exhaust end connector 19 are separately installed with accent, to be formed with described cavity in chamber seat 15
11；The inflation sleeve 4 is arranged between inflation end cap 16 and inflation end connector 18, the transmission bar portion 62 of the inflation valve element 41
It is connected through inflation end cap 16 with inflation electromagnet 2, inflation inlet 13 is located on described inflation end connector 18；The exhaust sleeve
5 are arranged between exhaust end cover 17 and exhaust end connector 19, and the transmission bar portion 62 of described exhaust plug 51 passes through exhaust end cover
17 are connected with exhaust electromagnet 3, and exhaust outlet 14 is located on described exhaust end connector 19.Herein it should be noted that：This hair
Bright inflation end cap 16, the structure of exhaust end cover 17 are duplicate two parts, for no other reason than that installation position in the present invention
The difference put and the different names that take.
In order to further improve the sealing of the present invention, make the overhead of cylindrical barrel portion 61 of inflation valve element 41 in inflation end cap
It can realize and be tightly connected after on 16, making the overhead of cylindrical barrel portion 61 of exhaust plug 51 can realize that sealing connects after on exhaust end cover 17
Connect, as shown in figure 1, being also each provided with sealing ring 9 on the inflation end cap 16, the respective inner face of exhaust end cover 17；Institute
The transmission bar portion 62 for stating inflation valve element 41 passes through inflation end cap 16 through its corresponding sealing ring 9；The exhaust plug 51
Bar portion 62 is driven through its corresponding sealing ring 9 through exhaust end cover 17.In addition, inflation end cap 16, exhaust end cover 17 are respective
Inner face on sealing ring 9 also have cushioning effect, inflation valve element 41, exhaust plug 51 reset when, inflate valve element 41 circle
Deceleration column 61 will not directly collide with inflation end cap 16, and the cylindrical barrel portion 61 of exhaust plug 51 will not be straight with exhaust end cover 17
Connect and collide, greatly improve the service life of the present invention.
In order to further improve the sealing of the present invention, make the transmission bar portion 62 of inflation valve element 41 and inflation end cap 16 it
Between realize and be tightly connected, realize and be tightly connected between the transmission bar portion 62 of exhaust plug 51 and exhaust end cover 17, as Fig. 1, Fig. 4,
Shown in Fig. 5, the inwall of the perforation passed through for the transmission bar portion 62 of inflation valve element 41 of the inflation end cap 16 is provided with seal sleeve
10, provided with the sealing ring 8 with the mating reaction of seal sleeve 10 in the transmission bar portion 62 of inflation valve element 41, in specific implementation
When, it is provided with the transmission bar portion 62 of inflation valve element 41 and is nested with annular groove 64 for sealing ring 8；The supply and discharge gas valve core of the exhaust end cover 17
The inwall for the perforation that 51 transmission bar portion 62 is passed through also is provided with seal sleeve 10, is provided with the transmission bar portion 62 of exhaust plug 51
With the sealing ring 8 of the mating reaction of seal sleeve 10.
In order to prevent in use, it is to avoid inflation valve element 41 can send sound, exhaust with the inflation collision of end connector 18
Valve element 51 sends sound with the exhaust collision of end connector 19, as shown in Figure 1, Figure 4, Figure 5, the inflation end connector 18, exhaust termination
A buffer rubber gasket 20 is respectively equipped with first 19, spring suit is further respectively had on inflation end connector 18, exhaust end connector 19
Portion, inflates the cylindrical barrel portion 61 of valve element 41, the respective internal chamber wall of cylindrical barrel portion 61 of exhaust plug 51 and is provided with top pressure bulge loop 65,
It is described inflation valve core reseting spring 42 be compressed in inflation valve element 41 top pressure bulge loop 65 to inflation end connector 18 between, and inflation
One end of valve core reseting spring 42 is placed on the spring suit portion of inflation end connector 18；The exhaust plug back-moving spring 52 is compressed
In exhaust plug 51 top pressure bulge loop 65 between exhaust end connector 19, and one end of exhaust plug back-moving spring 52 is placed on exhaust
The spring suit portion of end connector 19.
In order that the inflation end cap 16 of the present invention, exhaust end cover 17, inflation end connector 18, exhaust end connector 19 and chamber seat 15
Between realize and be tightly connected, as shown in figure 1, the inflation end cap 16, exhaust end cover 17, inflation end connector 18, exhaust end connector
Fixed part 30 is respectively equipped with 19, the inflation end cap 16, exhaust end cover 17, inflation end connector 18, exhaust end connector 19 are distinguished
It is fixedly mounted on by the bolt through its fixed part 30 on chamber seat 15, at the inflation end cap 16, exhaust end cover 17, inflation end
Be respectively equipped with sealing ring 8 between joint 18, exhaust end connector 19 and chamber seat 15, the inflation sleeve 4 and inflation end connector 18 it
Between also be provided with sealing ring 8, exhaust sleeve 5 and exhaust end connector 19 between also be provided with sealing ring 8.What is needed herein is：
All sealing rings 8 of the present invention are all the annular seal rings of conventional structure, and simply radius size mutual is different.
In order to avoid the present invention can send sound in exhaust, as shown in figure 1, present invention additionally comprises silencer mechanism 40,
The described silencer mechanism 40 includes silencer cylinder 401, screw shackle 402, low-density sponge 403, mesh stainless (steel) wire
404th, stainless steel olive net 405, circlip 406, the circlip 406 are arranged on a wherein nozzle for silencer cylinder 401
In, the screw shackle 402 is arranged in another nozzle of silencer cylinder 401, and the screw shackle 402 to elasticity is kept off
Described low-density sponge 403, mesh stainless (steel) wire 404, stainless steel are sequentially installed in the silencer cylinder 401 between circle 406
Olive net 405, the silencer mechanism 40 is connected through a screw thread ring 402 and is connected on the exhaust outlet 14 of valve block 1.
In use, the inflation end connector 18 of the present invention is connected with high-pressure air source, and porting 12 is then connected with air bag,
The present invention has two kinds of processes of inflation and exhaust：
When being inflated to air bag, it is closing, inflation electricity to keep porting 12 to the gas circuit between exhaust outlet 14
Magnet 2, which is powered, promotes the cylindrical barrel portion 61 of inflation valve element 41 to be moved along inflation sleeve 4, make the cylindrical barrel portion 61 of inflation valve element 41 from
Its corresponding sealing ring 9 is opened, so as to open inflation inlet 13 to the gas circuit between porting 12, high-pressure air source is now entered to air bag
Row inflation, after the completion of inflation, inflation electromagnet 2 is powered off, and 2 pairs of inflation ineffective power of valve element 41 of electromagnet are inflated after power-off,
The cylindrical barrel portion 61 of inflation valve element 41 recovers to compress the sealing ring 9 corresponding to it in the presence of inflation valve core reseting spring 42,
So as to close inflation inlet 13 to the gas circuit between porting 12.
When being exhausted to air bag, it is closing, exhaust electricity to keep inflation inlet 13 to the gas circuit between porting 12
Magnet 3, which is powered, promotes the cylindrical barrel portion 61 of exhaust plug 51 to be moved along exhaust sleeve 5, make the cylindrical barrel portion 61 of exhaust plug 51 from
Its corresponding sealing ring 9 is opened, so as to open porting 12 to the gas circuit between exhaust outlet 14, the gases at high pressure in air bag are in gas
It is extruded, is discharged by exhaust outlet 12 under the convergent force of capsule itself, after the completion of exhaust, exhaust electromagnet 3 is powered off, and powers off heel row
Pneumoelectric magnet 3 is to the ineffective power of exhaust plug 51, the cylinder of exhaust plug 51 in the presence of exhaust plug back-moving spring 52
Cylinder portion 61 recovers to compress the sealing ring 9 corresponding to it, is next so as to close porting 12 to the gas circuit between exhaust outlet 14
Secondary gas replenishment process is prepared.
Claims (9)
1. a kind of external counterpulsation Air inflating and exhausting valve, including valve block, inflation electromagnet, exhaust electromagnet, it is characterised in that：
It is provided with the valve block on a cavity, the valve block and is additionally provided with the porting connected with the cavity, in valve body
Inflation sleeve and exhaust sleeve are installed with the cavity of seat, is each provided with making its inner chamber on inflation sleeve and exhaust sleeve
The through hole being connected with the porting；
The valve block, which is provided with, is only capable of the inflation inlet that is connected with the inner chamber of inflation sleeve, be additionally provided with valve block be only capable of with
The exhaust outlet that the inner chamber of exhaust sleeve connects；
Inflation valve element and inflation valve core reseting spring are installed, the inflation valve element includes connection in the inner chamber of the inflation sleeve
Cylindrical barrel portion together and transmission bar portion；Exhaust plug is installed in the inner chamber of the exhaust sleeve and resets bullet with exhaust plug
Spring；The exhaust plug includes the cylindrical barrel portion linked together and transmission bar portion；Inflate the transmission bar portion and air bleeding valve of valve element
The transmission bar portion of core stretches out in valve block；The inflation valve element can inflation sleeve motion relatively, inflation valve element justified with it
Deceleration column closes inflation inlet to the gas circuit between porting；The exhaust plug can relatively described exhaust sleeve motion, exhaust
Valve element closes porting to the gas circuit between exhaust outlet with its cylindrical barrel portion；
The inflation electromagnet is arranged on valve block, and the inflation electromagnet is connected with inflating the transmission bar portion of valve element；
The exhaust electromagnet is arranged on valve block, and the transmission bar portion connection of the exhaust electromagnet and exhaust plug.
2. extracorporeal counterpulsation Air inflating and exhausting valve according to claim 1, it is characterised in that：Plastic shaft is installed in the inflation sleeve
Hold, the periphery of the cylindrical barrel portion of the inflation valve element is provided with an annular groove, and sealing ring is provided with annular groove；Inflation sleeve is with filling
Enter promoting the circulation of qi by the plastic bearing and the sealing ring between gas valve core to seal.
3. extracorporeal counterpulsation Air inflating and exhausting valve according to claim 1, it is characterised in that：Plastic shaft is installed in the exhaust sleeve
Hold, the periphery of the cylindrical barrel portion of the exhaust plug is provided with an annular groove, and sealing ring is provided with annular groove；Exhaust sleeve and row
Enter promoting the circulation of qi by the plastic bearing and the sealing ring between gas valve core to seal.
4. external counterpulsation Air inflating and exhausting valve according to claim 1, it is characterised in that：The valve block includes chamber seat, inflation
End cap, exhaust end cover, inflation end connector, exhaust end connector, the chamber seat are described provided with two upper accents and two lower accents
Porting is located on chamber seat；
Lid is equipped with described inflation end cap, exhaust end cover, two lower accents of chamber seat respectively on two upper accents of the chamber seat
On be separately installed with described inflation end connector, exhaust end connector, to be formed with described cavity in chamber seat；
The inflation sleeve is arranged between inflation end cap and inflation end connector, and the transmission bar portion of the inflation valve element passes through inflation
End cap is connected with inflation electromagnet, and inflation inlet is located on described inflation end connector；
The exhaust sleeve is arranged between exhaust end cover and exhaust end connector, and the transmission bar portion of described exhaust plug passes through row
Gas end cap is connected with exhaust electromagnet, and exhaust outlet is located on described exhaust end connector.
5. external counterpulsation Air inflating and exhausting valve according to claim 4, it is characterised in that：In the inflation end cap, exhaust end cover
Sealing ring is also each installed on respective inner face；The transmission bar portion of the inflation valve element is worn through its corresponding sealing ring
Gas overcharging end cap；The transmission bar portion of the exhaust plug is through its corresponding sealing ring through exhaust end cover.
6. external counterpulsation Air inflating and exhausting valve according to claim 4, it is characterised in that：The confession inflation valve element of the inflation end cap
The inwall of perforation that passes through of transmission bar portion be provided with seal sleeve, be provided with and the seal sleeve in the transmission bar portion of inflation valve element
The sealing ring of mating reaction；The inwall for the perforation that the transmission bar portion of the supply and discharge gas valve core of the exhaust end cover is passed through also is provided with sealing
Sleeve, provided with the sealing ring with the seal sleeve mating reaction in the transmission bar portion of exhaust plug.
7. external counterpulsation Air inflating and exhausting valve according to claim 4, it is characterised in that：The inflation end connector, exhaust termination
A buffer rubber gasket is respectively equipped with head, spring suit portion, charge valve are further respectively had on inflation end connector, exhaust end connector
The cylindrical barrel portion of core, the respective internal chamber wall of the cylindrical barrel portion of exhaust plug are provided with top pressure bulge loop, the inflation valve core reset bullet
Spring is compressed between the top pressure bulge loop of inflation valve element extremely inflation end connector, and one end of inflation valve core reseting spring is placed on inflation
The spring suit portion of end connector；The exhaust plug back-moving spring is compressed in the top pressure bulge loop of exhaust plug to being vented end connector
Between, and one end of exhaust plug back-moving spring is placed on the spring suit portion for being vented end connector.
8. external counterpulsation Air inflating and exhausting valve according to claim 4, it is characterised in that：It is described to inflate end cap, exhaust end cover, fill
Fixed part, the inflation end cap, exhaust end cover, inflation end connector, exhaust termination are respectively equipped with gas end connector, exhaust end connector
Head is fixedly mounted on chamber seat by the bolt through its fixed part respectively, in the inflation end cap, exhaust end cover, inflation termination
Sealing ring is respectively equipped between head, exhaust end connector and chamber seat, sealing also is provided between the inflation sleeve and inflation end connector
Circle, sealing ring also is provided between exhaust sleeve and exhaust end connector.
9. extracorporeal counterpulsation Air inflating and exhausting valve according to claim 1, it is characterised in that：Also include silencer mechanism, described this disappears
Sheng Qi mechanisms include silencer cylinder, screw shackle, low-density sponge, mesh stainless (steel) wire, stainless steel olive net, circlip,
The circlip is arranged in a wherein nozzle for silencer cylinder, and the screw shackle is arranged on the another of silencer cylinder
In one nozzle, described low-density sea is sequentially installed in the screw shackle to the silencer cylinder between circlip
Silk floss, mesh stainless (steel) wire, stainless steel olive net, the silencer mechanism are connected through a screw thread ring and are connected on the exhaust outlet of valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784510.6A CN107320844B (en) | 2017-09-05 | 2017-09-05 | Air charging and discharging valve for external counterpulsation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784510.6A CN107320844B (en) | 2017-09-05 | 2017-09-05 | Air charging and discharging valve for external counterpulsation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107320844A true CN107320844A (en) | 2017-11-07 |
| CN107320844B CN107320844B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710784510.6A Active CN107320844B (en) | 2017-09-05 | 2017-09-05 | Air charging and discharging valve for external counterpulsation |
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| Country | Link |
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| CN (1) | CN107320844B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667962A (en) * | 2019-01-31 | 2019-04-23 | 广州市忆典医疗器械有限公司 | The dedicated distributing valve of external counterpulsation unit |
| CN109771244A (en) * | 2019-01-31 | 2019-05-21 | 广州市忆典医疗器械有限公司 | Novel external counterpulsation device |
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| CN2303948Y (en) * | 1997-03-01 | 1999-01-13 | 重庆渝州大学科技开发总公司 | Noise-reducing oil-mist filtering device for vacuum pump |
| CN2420014Y (en) * | 2000-03-28 | 2001-02-21 | 毕素栋 | Drainage tube joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109667962A (en) * | 2019-01-31 | 2019-04-23 | 广州市忆典医疗器械有限公司 | The dedicated distributing valve of external counterpulsation unit |
| CN109771244A (en) * | 2019-01-31 | 2019-05-21 | 广州市忆典医疗器械有限公司 | Novel external counterpulsation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107320844B (en) | 2023-04-11 |
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