CN200939173Y - Sucking-back preventor for integrated dental therapeutic machine - Google Patents
Sucking-back preventor for integrated dental therapeutic machine Download PDFInfo
- Publication number
- CN200939173Y CN200939173Y CN 200620119311 CN200620119311U CN200939173Y CN 200939173 Y CN200939173 Y CN 200939173Y CN 200620119311 CN200620119311 CN 200620119311 CN 200620119311 U CN200620119311 U CN 200620119311U CN 200939173 Y CN200939173 Y CN 200939173Y
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- high speed
- mobile phone
- speed turbine
- compressed air
- multipurpose therapy
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- 238000002560 therapeutic procedure Methods 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 239000000498 cooling water Substances 0.000 claims description 19
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 206010011409 Cross infection Diseases 0.000 abstract description 8
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 210000000214 mouth Anatomy 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract 1
- 230000035876 healing Effects 0.000 abstract 1
- 231100000957 no side effect Toxicity 0.000 abstract 1
- 230000002123 temporal effect Effects 0.000 abstract 1
- 230000000123 anti-resoprtive effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 208000015181 infectious disease Diseases 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000025157 Oral disease Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000030194 mouth disease Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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Abstract
The utility model relates to a backsiphonage prevent device for dentistry multipurpose therapy unit, which is provided with a wind tube, one end of the tube is connected with a wind source, while the other end is connected with a control switch and a wind compensation unit, the outlet end of the related control switch and wind compensation unit is connected with a high speed turbine hand piece. The backsiphonage prevent device for dentistry multipurpose therapy unit can be set on delayed wind compensation, in the writhing shut off process of the high speed turbine, the wind supplies the pressure of the air path though air intake and backswing in the effect of temporal wind compensating action, providing the turbine air chamber of the hand piece instantaneous positive air pressure and prevents backsiphonage in the air path. The utility model has the advantages of simple in structure and has no side effect to the control system of the dentistry multipurpose therapy unit, the device is reliable and convenient to be fixed, the backsiphonage caused by the structure of the hand piece of the dentistry multipurpose therapy unit and the cross infection of the patients in oral cavity healing can be prevented.
Description
Technical field
This utility model relates to the oral cavity medical apparatus field, particularly can effectively prevent gas circuit resorption phenomenon in dental multipurpose therapy unit, stops the anti-suck-back device of dental multipurpose therapy unit that gas circuit is polluted.
Technical background
As everyone knows, high speed turbine mobile phone is one of main apparatus of department of stomatology treatment at present, also is the main apparatus of dental multipurpose therapy unit indispensability.In recent years, because the propagation of the various infectious disease that are difficult to cure, make the route of transmission pay attention to day by day of people for infectious disease.In daily life, the oral cavity department disease sickness rate is very high, almost everyone might suffer from different oral diseases, so in the process of treatment, be easy to cause the cross infection between the patient, produce the cross infection main cause and conclude two aspects, be that patient is when therapeutic process on the one hand, various apparatuses directly contact patient's mouth, if sterilization of instruments is not thorough, cause infection easily; The resorption phenomenon of the high speed turbine mobile phone of dental multipurpose therapy unit can form the pollution to gas, water route on the other hand, causes patient's infection.
On the dental multipurpose therapy unit in the prior art, the reason that the gas resorption produces is that high speed turbine mobile phone is when quitting work, when wind wheel rotates at inertia, because the centrifugal action that air produces, make turbine hand machine air chamber center become negative pressure, outside liquid and solid residue (dust) are sucked in the high speed turbine mobile phone, and the gas circuit that enters dental multipurpose therapy unit by high speed turbine mobile phone.Above-mentioned resorption problem can cause cross infection on the one hand, has also influenced the mobile phone life-span simultaneously.The numerous insiders of resorption problem that how to solve mobile phone are making great efforts to solve this difficult problem from different directions.
In sum, the resorption problem of prior art high speed turbine hand machine is still one of main path that causes cross infection.The design people acts on for many years the research to dental multipurpose therapy unit, proposed to overcome the anti-suck-back device of dental multipurpose therapy unit of the present utility model of prior art defective, solve dental multipurpose therapy unit resorption phenomenon, thereby eliminated the cross infection problem that therefore produces.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of dental multipurpose therapy unit to prevent suck-back device, by time-delay compressed air compensating unit is set, thereby solve the gas circuit resorption problem of dental multipurpose therapy unit effectively, eliminate the problem of cross infection that therefore produces, the service life of improving equipment.
Another technical problem to be solved in the utility model is: by in the water route air storage chamber being set, solve the water route resorption problem of dental multipurpose therapy unit effectively, reach the sewage that stops the patient oral cavity and dust and suck mobile phone inside by the outlet place of the high speed turbine mobile phone of dental multipurpose therapy unit.
For this reason, a kind of dental multipurpose therapy unit of the present utility model is prevented suck-back device, wherein, has a compressed air hose, the one end connects compressed air source, the other end connects a gauge tap and a compressed air compensating unit, and institute's gauge tap is connected high speed turbine mobile phone with the outfan of institute's compressed air compensating unit.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, and wherein, the outfan of described compressed air compensating unit connects the air inlet pipe of high speed turbine mobile phone.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, wherein, gas control electric switch and high speed turbine mobile phone muffler that described compressed air compensating unit carries out electric control by two-position three way magnetic valve, to two-position three way magnetic valve are formed, first valve port of wherein said two-position three way magnetic valve connects described compressed air hose, second valve port of described two-position three way magnetic valve connects described high speed turbine mobile phone muffler, the 3rd valve port connects a muffler, and described gas control electric switch is connected on the described high speed turbine mobile phone air inlet pipe.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, wherein, gas control electric switch and flow restrictor that described compressed air compensating unit carries out electric control by two-position two-way solenoid valve, to two-position two-way solenoid valve are formed, one end of described flow restrictor is connected in series and is connected the input of described two-position two-way solenoid valve behind the described compressed air hose, the outfan of described two-position two-way solenoid valve connects described high speed turbine mobile phone air inlet pipe, and described gas control electric switch is connected on the described high speed turbine mobile phone air inlet pipe.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, wherein, described compressed air compensating unit is made up of flow regulator, gas control switch, air storage chamber and flow restrictor, the input of described gas control switch connects described compressed air hose, the outfan of described gas control switch is connected in series and connects described high speed turbine mobile phone air inlet pipe behind the described flow restrictor, described air storage chamber is arranged between the control end and described high speed turbine mobile phone air inlet pipe of described gas control switch, and the control end of described gas control switch connects described flow regulator simultaneously.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, wherein, is provided with a check valve between described air storage chamber and the described high speed turbine mobile phone air inlet pipe.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, and wherein, described gas control switch is a gas time-delay gas control switch.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, wherein, on the water supply path of dental multipurpose therapy unit, has the press water oral siphon, described press water oral siphon one end connects the cooling water water source, but the other end connects the arrival end of a water control valve, but the described water control valve port of export connects a high speed turbine mobile phone cooling water inlet pipe, connects the pressure compensation unit on described high speed turbine mobile phone cooling water inlet pipe.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, and wherein, described pressure compensation unit is an air storage chamber that is connected with the high speed turbine mobile phone cooling water inlet pipe.
Aforesaid dental multipurpose therapy unit is prevented suck-back device, and wherein, but described water control valve is a gas control water valve, and the control end of this gas control water valve connects gauge tap and high speed turbine mobile phone air inlet pipe.
Advantage and characteristics that the anti-suck-back device of dental multipurpose therapy unit of the present utility model compared with prior art possesses are:
1, the anti-suck-back device of dental multipurpose therapy unit of the present utility model is by being provided with the compensation of time-delay compressed air; make the turbine of high speed turbine mobile phone in shutting down rotation process; by of short duration compressed air compensating action; compressed air is replenished the pressure of gas circuit by air inlet or return line; make the turbine air chamber of mobile phone form instantaneous positive air pressure, and make gas circuit not produce resorption.
2, the anti-suck-back device of dental multipurpose therapy unit of the present utility model increases air storage chamber by the cooling water channel at high speed turbine mobile phone; when turbine hand machine is shut down; for the negative pressure state because of stopping suddenly supplying water and causing in the known technology water route; compression by air in this utility model air storage chamber; guarantee the pressure stability in turbine hand machine water route when shutting down, made the water route not produce the resorption phenomenon.
3, the anti-suck-back device of dental multipurpose therapy unit of the present utility model is simple in structure, and the control system of dental multipurpose therapy unit is not produced other influences, simple installation, reliability height.
4, the anti-suck-back device of dental multipurpose therapy unit of the present utility model combines with the device that prevents the water route resorption, can stop the resorption that handset structure produced because of dental multipurpose therapy unit, prevents the cross infection of patient in dental care.
Description of drawings
Fig. 1 is the first embodiment schematic diagram of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, has represented that a kind of gas circuit prevents the resorption structure;
Fig. 2 is the second embodiment schematic diagram of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, has represented that a kind of gas circuit prevents the resorption structure;
Fig. 3 is the 3rd an embodiment schematic diagram of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, has represented that a kind of gas circuit prevents the resorption structure;
Fig. 4 A, 4B, 4C are the 4th embodiment schematic diagram of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, are illustrated on the basis of the anti-resorption structure of gas circuit shown in-3 that has Fig. 1, are provided with the anti-resorption structure in water route again.
The specific embodiment
Now contrast accompanying drawing, describe the anti-suck-back device of dental multipurpose therapy unit of the present utility model in detail, make that the technical problems to be solved in the utility model, the technical solution that is adopted and the technique effect that is reached are more clear.
The anti-resorption structure of the gas circuit of the anti-suck-back device of dental multipurpose therapy unit of the present utility model comprises compressed air hose 1, gauge tap, compressed air compensating unit 3 and high speed turbine mobile phone muffler 6.Compressed air hose 1 one ends connect the compressed air source (not shown), the other end connects gauge tap and compressed air compensating unit 3, the outfan of gauge tap and compressed air compensating unit 3 is connected the air inlet A of high speed turbine mobile phone, and above-mentioned gauge tap is an example with foot switch 2 in this utility model.Fig. 1 is three embodiment of the present utility model to Fig. 3, realizes compressed air compensating unit 3 respectively in different ways.
Embodiment one
See also Fig. 1, it is the first embodiment schematic diagram of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, has represented that gas circuit prevents the resorption structure.In this specific embodiment, the compressed air hose 1 of the anti-resorption structure of gas circuit of the anti-suck-back device of dental multipurpose therapy unit of the present utility model connects compressed air compensating unit 3, and compressed air compensating unit 3 is made up of two-position three way magnetic valve 4, gas control electric switch 5 and high speed turbine mobile phone muffler 6.Wherein the first valve port C of the two-position three way magnetic valve 4 that has of compressed air compensating unit 3 connects compressed air hose 1, the second valve port P of two-position three way magnetic valve 4 connects high speed turbine mobile phone muffler 6, the 3rd valve port B connects a muffler 13, one gas control electric switch 5 is connected on the high speed turbine mobile phone air inlet pipe 7, and two-position three way magnetic valve 4 is carried out electric control.
The operation principle of the anti-suck-back device embodiment one of dental multipurpose therapy unit of the present utility model is:
After foot switch 2 closures, compressed air by compressed air hose 1 through foot switch 2 to high speed turbine hand machine air inlet pipe 7, enter high speed turbine mobile phone air inlet A and make turbine rotation.Return-air arrives the valve port P → valve port B of two-position three way magnetic valve 4 (off-position) to muffler 13 discharges (state shown in Figure 1) through high speed turbine mobile phone muffler 6.
When foot switch 2 disconnects, compressed air hose 1 stops to high speed turbine mobile phone air inlet pipe 7 air feed, promptly stop air feed to high speed turbine mobile phone air inlet A, at this moment, under the control of gas control electric switch 5, two-position three way magnetic valve 4 is in connection, valve port C and valve port P conducting, and be in the state that is communicated with compressed air hose 1, this conducting state time-delay several seconds, compressed air enters mobile phone turbine air chamber (not shown) through high speed turbine mobile phone muffler 6, this compressed air made in time several seconds that turbine rotates under effect of inertia, and the center pressure of turbine air chamber is a malleation, had overcome in the known technology when foot switch 2 disconnects, the turbine room of high speed turbine mobile phone produces the phenomenon of negative pressure, thereby this utility model the resorption phenomenon can not take place.
Embodiment two
See also Fig. 2, it is the second embodiment schematic diagram of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, has represented that gas circuit prevents the resorption structure.In this specific embodiment, the compressed air hose 1 of the anti-resorption structure of gas circuit of the anti-suck-back device of dental multipurpose therapy unit of the present utility model connects compressed air compensating unit 3 ', compressed air compensating unit 3 ' is by two-position two-way solenoid valve 8, gas control electric switch 9 and flow restrictor 10 are formed, one end of flow restrictor 10 connects compressed air hose 1 back and is connected with the input of two-position two-way solenoid valve 8, the outfan of two-position two-way solenoid valve 8 connects high speed turbine mobile phone air inlet pipe 7, gas control electric switch 9 is connected on the high speed turbine mobile phone air inlet pipe 7, and above-mentioned two-position two-way solenoid valve 8 is carried out electric control.
The operation principle of the anti-suck-back device embodiment two of dental multipurpose therapy unit of the present utility model is:
After foot switch 2 closures, compressed air by compressed air hose 1 through foot switch 2 to high speed turbine hand machine air inlet pipe 7, enter high speed turbine mobile phone air inlet A and make turbine rotation, gas control electric switch 9 is connected two-position two-way solenoid valve 8, and compressed air is connected through the valve port E → valve port F and the high speed turbine mobile phone air inlet pipe 7 of flow restrictor 10, two-position two-way solenoid valve 8.
When foot switch 2 disconnects, compressed air hose 1 stops to high speed turbine mobile phone air inlet pipe 7 air feed, promptly stop air feed to high speed turbine mobile phone air inlet A, at this moment, the two-position two-way solenoid valve time-delay several seconds disconnects under the control of gas control electric switch 9, between this time delay, compressed air by compressed air hose 1 through flow restrictor 10, two-position two-way solenoid valve is to high speed turbine hand machine air inlet pipe 7, provide deficiency so that the make-up gas of turbine rotation to high speed turbine mobile phone air inlet A, to replenish the turbine air chamber, make the indoor maintenance barotropic state of this turbine gas, can't form negative pressure, thereby when foot switch 2 disconnected, the gas circuit of high speed turbine mobile phone did not produce the resorption phenomenon.When Fig. 2 had represented that foot switch 2 disconnects, two-position two-way solenoid valve 8 was in the state that time-delay connects.
Embodiment three
See also Fig. 3, it is the 3rd an embodiment schematic diagram of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, has represented that gas circuit prevents the resorption structure.In this specific embodiment, the compressed air hose 1 of the anti-resorption structure of gas circuit of the anti-suck-back device of dental multipurpose therapy unit of the present utility model connects compressed air compensating unit 3 ", compressed air compensating unit 3 " form by flow regulator 11, air storage chamber 20, gas control switch 14 and flow restrictor 12.The input of gas control switch 14 connects compressed air hose 1, the outfan of gas control switch 14 flow restrictor 12 back that is connected in series connects high speed turbine mobile phone air inlet pipe 7, the control end of gas control switch 14 is connected with high speed turbine mobile phone air inlet pipe 7 by a check valve 21, the control end of this gas control switch 14 also connects a flow actuator 11, air storage chamber 20 simultaneously.Gas control switch 14 is a gas time-delay gas control switch.By above-mentioned check valve 21 is set, when air storage chamber 20 outwards discharges compressed air, can reduce the pressure loss that causes because of duct length, guarantee time-delay control to gas control switch 14.
The operation principle of the anti-suck-back device embodiment three of dental multipurpose therapy unit of the present utility model is:
After foot switch 2 closures, compressed air by compressed air hose 1 through foot switch 2 to high speed turbine hand machine air inlet pipe 7, enter high speed turbine mobile phone air inlet A and make turbine rotation, simultaneously a part of gas through check valve 21 to gas control switch 14, make gas control switch 14 connect, and a part of gas of the check valve 21 of flowing through enters air storage chamber 20, and with the compression of the air in it, another part gas is drained through flow regulator 11.After gas control switch 14 was connected, the compressed air hose 1 → gas control of compressed air switch 14 → flow restrictor 12 entered high speed turbine mobile phone air inlet pipe 7.
When foot switch 2 disconnects, compressed air hose 1 stops to high speed turbine mobile phone air inlet pipe 7 air feed, promptly stop air feed to high speed turbine mobile phone air inlet A, this moment, the air storage chamber 20 interior air that store were slowly drained by flow regulator 11, make the air pressure of control end of gas control switch 14 slowly reduce, lowly close to gas control switch 14 to a certain degree.By regulating the length of flow regulator 11 control delay times.Between this time delay, compressed air by compressed air hose 1 through gas control switch 14 → flow restrictor 12 to high speed turbine hand machine air inlet pipe 7, provide deficiency so that the make-up gas of turbine rotation to high speed turbine mobile phone air inlet A, to replenish the turbine air chamber, make the indoor maintenance barotropic state of this turbine gas, can't form negative pressure, thereby when foot switch 2 disconnected, the gas circuit of high speed turbine mobile phone did not produce the resorption phenomenon.When Fig. 3 had represented that foot switch 2 disconnects, gas control switch 14 was in the anastomosing state of time-delay.
Embodiment four
See also Fig. 4 A, 4B, 4C, it is the structure principle chart of the anti-suck-back device of dental multipurpose therapy unit of the present utility model, is illustrated on the basis with the anti-resorption structure of above-mentioned gas circuit, is provided with the anti-resorption structure in water route again.The structure of air path part is identical with embodiment 1,2,3 in this schematic diagram, different only be on the water route, to be provided with pressure compensation unit 17, and only carry out an example of water route control in this Fig. 4 A, 4B, 4C with the gas control water valve, parts wherein same as the previously described embodiments adopt identical label.
In this specific embodiment, the anti-suck-back device of dental multipurpose therapy unit of the present utility model has press water oral siphon 15, water control valve, pressure compensation unit 17, high speed turbine mobile phone cooling water inlet pipe 18 and water valve control end 19 on the water supply path.Press water oral siphon 15 is parts of carrying the high speed turbine mobile phone cooling water, its end connects the cooling water water source, the other end connects the arrival end of water control valve, the port of export of water control valve connects high speed turbine mobile phone cooling water inlet pipe 18, connect pressure compensation unit 17 on the high speed turbine mobile phone cooling water inlet pipe 18, water control valve has a control end 19.
In the present embodiment, described water control valve is a gas control water valve 16, and the control end 19 of this gas control water valve 16 is connected with the foot switch 2 of dental multipurpose therapy unit and high speed turbine mobile phone air inlet pipe 7, and this foot switch 2 is to connect compressed-air actuated pneumatic switch.
The water route structure working principle and the process of the anti-suck-back device of dental multipurpose therapy unit of the present utility model are:
Wherein the operation principle of gas circuit and process are identical with the foregoing description 1-3, do not repeat them here, and only the water route are described.
In the time of foot switch 2 closures, gas control water valve 16 makes press water oral siphon 15 and high speed turbine mobile phone cooling water inlet pipe 18 connect, in the water inlet B of the high speed turbine mobile phone that enters dental multipurpose therapy unit, a part of cooling water enters in the air storage chamber 17 air is compressed.
When foot switch 2 disconnected, gas control water valve 16 also disconnected thereupon, and the cooling water of being supplied with by press water oral siphon 15 is cut off, and the Compressed Gas that air storage chamber is 17 li goes out additional water route with hydraulic pressure.The result is because the compression of air makes high speed turbine mobile phone when shutting down, and the compressed air that air storage chamber is 17 li has replenished high speed turbine mobile phone cooling water inlet pipe 18 because of water control valve disconnects the water yield that reduces, and makes the water route not produce resorption.Thereby guaranteed that gas circuit, water route all can not produce the resorption phenomenon when high speed turbine mobile phone is shut down, thereby avoided the pollution in gas circuit, water route, guaranteed safety in utilization.
The above person of thought, it only is the specific embodiment of the present utility model, when can not limiting the scope that this utility model is implemented with this, i.e. equivalent variations and the modification of being done according to this utility model content generally all should still belong within the scope that this utility model patent claims contain.
Claims (10)
1, the anti-suck-back device of a kind of dental multipurpose therapy unit, it is characterized in that: have a compressed air hose, the one end connects compressed air source, and the other end connects a gauge tap and a compressed air compensating unit, and institute's gauge tap is connected high speed turbine mobile phone with the outfan of institute's compressed air compensating unit.
2, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 1, it is characterized in that: the outfan of described compressed air compensating unit connects the air inlet pipe of high speed turbine mobile phone.
3, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 1, it is characterized in that: gas control electric switch and high speed turbine mobile phone muffler that described compressed air compensating unit carries out electric control by two-position three way magnetic valve, to two-position three way magnetic valve are formed, first valve port of wherein said two-position three way magnetic valve connects described compressed air hose, second valve port of described two-position three way magnetic valve connects described high speed turbine mobile phone muffler, the 3rd valve port connects a muffler, and described gas control electric switch is connected on the described high speed turbine mobile phone air inlet pipe.
4, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 1, it is characterized in that: gas control electric switch and flow restrictor that described compressed air compensating unit carries out electric control by two-position two-way solenoid valve, to two-position two-way solenoid valve are formed, one end of described flow restrictor is connected in series and is connected the input of described two-position two-way solenoid valve behind the described compressed air hose, the outfan of described two-position two-way solenoid valve connects described high speed turbine mobile phone air inlet pipe, and described gas control electric switch is connected on the described high speed turbine mobile phone air inlet pipe.
5, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 1, it is characterized in that: described compressed air compensating unit is made up of flow regulator, gas control switch, air storage chamber and flow restrictor, the input of described gas control switch connects described compressed air hose, the outfan of described gas control switch is connected in series and connects described high speed turbine mobile phone air inlet pipe behind the described flow restrictor, described air storage chamber is arranged between the control end and described high speed turbine mobile phone air inlet pipe of described gas control switch, and the control end of described gas control switch connects described flow regulator simultaneously.
6, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 5 is characterized in that: be provided with a check valve between described air storage chamber and the described high speed turbine mobile phone air inlet pipe.
7, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 5 is characterized in that: described gas control switch is a gas time-delay gas control switch.
8, as the anti-suck-back device of each described dental multipurpose therapy unit of claim 1 to 7, it is characterized in that: on the water supply path of dental multipurpose therapy unit, have the press water oral siphon, described press water oral siphon one end connects the cooling water water source, but the other end connects the arrival end of a water control valve, but the described water control valve port of export connects a high speed turbine mobile phone cooling water inlet pipe, connects the pressure compensation unit on described high speed turbine mobile phone cooling water inlet pipe.
9, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 8, it is characterized in that: described pressure compensation unit is an air storage chamber that is connected with the high speed turbine mobile phone cooling water inlet pipe.
10, the anti-suck-back device of dental multipurpose therapy unit as claimed in claim 8 is characterized in that: but described water control valve is a gas control water valve, and the control end of this gas control water valve connects gauge tap and high speed turbine mobile phone air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620119311 CN200939173Y (en) | 2006-08-25 | 2006-08-25 | Sucking-back preventor for integrated dental therapeutic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620119311 CN200939173Y (en) | 2006-08-25 | 2006-08-25 | Sucking-back preventor for integrated dental therapeutic machine |
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| Publication Number | Publication Date |
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| CN200939173Y true CN200939173Y (en) | 2007-08-29 |
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| CN 200620119311 Expired - Fee Related CN200939173Y (en) | 2006-08-25 | 2006-08-25 | Sucking-back preventor for integrated dental therapeutic machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100574738C (en) * | 2007-12-12 | 2009-12-30 | 刘帆 | A kind of preventing from resorbting pollution on dental curing platform method and apparatus |
| CN102198017A (en) * | 2011-05-24 | 2011-09-28 | 河南工程学院 | Novel anti-back-suction device for high-speed turbine handpiece |
| CN102743232A (en) * | 2012-06-21 | 2012-10-24 | 浙江大学 | Dental sterile supply system |
| CN103406278A (en) * | 2013-07-26 | 2013-11-27 | 潍坊永昱电控科技有限公司 | Air passage for welding welding nozzle for automatic LED wafer sorting machine |
| CN103815977A (en) * | 2013-11-22 | 2014-05-28 | 江苏大学 | Portable powder spraying tooth cleaner |
| CN106859786A (en) * | 2017-03-07 | 2017-06-20 | 佛山市彤鑫医疗器材股份有限公司 | A kind of dental handpiece and its anti-suck-back device |
| CN107320281A (en) * | 2017-06-26 | 2017-11-07 | 浙江大学 | Dentistry waterway pipe flushing control device |
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2006
- 2006-08-25 CN CN 200620119311 patent/CN200939173Y/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100574738C (en) * | 2007-12-12 | 2009-12-30 | 刘帆 | A kind of preventing from resorbting pollution on dental curing platform method and apparatus |
| CN102198017A (en) * | 2011-05-24 | 2011-09-28 | 河南工程学院 | Novel anti-back-suction device for high-speed turbine handpiece |
| CN102198017B (en) * | 2011-05-24 | 2012-10-31 | 河南工程学院 | Novel anti-back-suction device for high-speed turbine handpiece |
| CN102743232A (en) * | 2012-06-21 | 2012-10-24 | 浙江大学 | Dental sterile supply system |
| CN102743232B (en) * | 2012-06-21 | 2015-04-15 | 浙江大学 | Dental sterile supply system |
| CN103406278A (en) * | 2013-07-26 | 2013-11-27 | 潍坊永昱电控科技有限公司 | Air passage for welding welding nozzle for automatic LED wafer sorting machine |
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| CN103815977A (en) * | 2013-11-22 | 2014-05-28 | 江苏大学 | Portable powder spraying tooth cleaner |
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