CN114391982A

CN114391982A - Sand blasting tooth cleaning system and method

Info

Publication number: CN114391982A
Application number: CN202210057413.8A
Authority: CN
Inventors: 罗大军; 罗文颢; 李长青; 罗允强
Original assignee: Guangdong Hansen Intelligent Medical Electronic Technology Co ltd
Current assignee: Guangdong Hansen Intelligent Medical Electronic Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-04-26
Anticipated expiration: 2042-01-18
Also published as: CN114391982B

Abstract

The invention discloses a sand blasting tooth cleaning system, which at least comprises: a dental chair; a host; a foot switch; powder bottles; a sandblasting handle; a suction device; the suction equipment comprises a suction device and a suction filtering device; the air inlet end of the powder bottle is communicated with the air path system, the air outlet end of the powder bottle is communicated with the air path channel in the sand blasting handle, and under the control of the pedal switch, the sand blasting powder in the powder bottle can be taken out by the air in the air path system and conveyed into the sand blasting handle; the gas circuit system comprises a pressure reducing valve, a gas-water separation device and an electromagnetic valve. Also disclosed is a blasting tooth cleaning method, which comprises the stages of preparation, starting, tooth cleaning, pumping, finishing and the like. The sand blasting tooth cleaning system is provided with the gas-water separation device, so that the anti-blocking performance is greatly improved; matched with a suction device, can timely and effectively suck splashes generated in the tooth cleaning process. The sand blasting tooth cleaning method has good tooth cleaning effect; and can effectively absorb the splashed matter in time in the process of cleaning teeth, thereby keeping the working environment clean and sanitary.

Description

Sand blasting tooth cleaning system and method

Technical Field

The invention relates to the field of oral medical equipment, in particular to a sand blasting tooth cleaning system and a sand blasting tooth cleaning method.

Background

At present, the clinical tooth cleaning modes mainly comprise hand scraping, ultrasonic tooth cleaning and sand blasting tooth cleaning, and mainly remove tartar, dental plaque, tea scale, smoke scale and the like attached to the surfaces of teeth.

The principle of sand blasting tooth cleaning is that high-speed flowing gas is used for driving tooth cleaning powder to form particle flow, the particle flow is acted on the tooth surface through a fine nozzle, and the kinetic energy of the particle flow is utilized to remove tartar and bacterial plaque on the tooth surface.

Sand blasting clean tooth equipment generally comprises the dental chair, host computer and sandblast handle, the dental chair passes through air waterline and outside air supply or water source intercommunication, the sandblast handle is handheld terminal equipment, be equipped with air passage and waterway, air passage and waterway pass through air passage system respectively, waterway system is connected with the dental chair, under the effect of air pump, compressed air can drive clean tooth powder and form the particle stream, spout from the tiny nozzle of sandblast handle through the air passage and act on tooth surface and clean tooth.

However, there are a number of problems with current sandblasting dentifrice systems:

(1) for a dental scaler: in the working process, the tooth cleaning powder is easy to agglomerate due to the contact with water, so that the sand blasting handle is blocked, and the use is influenced; at present, the problem is solved by mainly cleaning or dredging the nozzle of the sand blasting handle after the blockage occurs, and because the diameter of the nozzle is very small (the pipe diameter is about 0.5-0.8mm), the cleaning or the dredging not only wastes time and energy but also has poor effect, so that the blockage problem can not be really solved.

(2) For the tooth cleaning process: during the treatment process, splashes of part of water, blood, solid impurities, sandblasting powder and the like can be generated, and even viral oral aerosol can be accompanied. These splashes can fly out of the patient's mouth, contaminating the surrounding environment, requiring cleaning by a doctor or staff after surgery; the current processing method for the problem is as follows: the periphery of the mouth of the patient is covered with a paper towel or a thin cloth with an opening, however, the method only can prevent the splash from adhering to the periphery of the mouth of the patient and cannot prevent the splash from entering the surrounding environment or falling onto the body of a doctor or a worker.

Therefore, there is a need for a new abrasive blasting dentifrice system that addresses the above problems.

Disclosure of Invention

The present invention is directed to a blasting tooth cleaning system and a blasting tooth cleaning method, which provides a novel blasting tooth cleaning system and solves at least one of the above problems.

According to one aspect of the present invention, there is provided a blasting prophy system comprising at least:

the main machine is internally provided with a controller, an air path system and a water path system;

the foot switch is connected with the controller and is used for controlling the air source to be input into the air path system;

the powder bottle is arranged on the main machine and used for containing the sand blasting powder;

the sand blasting handle is connected with the air channel system and the water channel system of the main machine;

the suction device is matched with the sand blasting handle for use and is used for sucking splashed matters splashed out of the oral cavity;

the suction device comprises an aspirator arranged on the periphery of the oral cavity and a suction filtering device connected with the aspirator;

the air inlet end of the powder bottle is communicated with the air path system, the air outlet end of the powder bottle is communicated with the air path channel in the sand blasting handle, and under the control of the pedal switch, the sand blasting powder in the powder bottle can be taken out by the air in the air path system and conveyed into the sand blasting handle;

the gas circuit system comprises a pressure reducing valve, a gas-water separation device and an electromagnetic valve, the electromagnetic valve is electrically connected with the controller, one end of the pressure reducing valve is communicated with a gas source, the other end of the pressure reducing valve is communicated with the gas inlet end of the gas-water separation device, the gas outlet end of the gas-water separation device is connected with the gas inlet end of the electromagnetic valve, and the gas outlet end of the electromagnetic valve is communicated with the gas inlet end of the powder bottle.

Therefore, the sand blasting tooth cleaning system with a brand new structure is provided, the sand blasting tooth cleaning system is provided with the gas-water separation device for performing gas-water separation on gas in the gas path system in the traditional tooth cleaning machine, the separation device is adopted to treat the compressed air, the gas-water separation can be performed on the compressed air containing moisture entering the gas path system, the gas is easily discharged to the electromagnetic valve from the gas-water separation device, and the moisture can be remained in the gas-water separation device; in addition, the input of the air source is controlled by the foot switch, the use is convenient, the sand blasting work can be realized directly by the foot switch, the applicability is strong, and the use requirement is met; more importantly, the device is matched with a suction device for sucking the splashed materials splashed out of the oral cavity of a patient, the suction device can quickly, timely and effectively suck the splashed materials generated in the tooth cleaning process, the splashed materials are blocked from the source, the splashed materials are effectively prevented from flying out, and the cleanness and the sanitation of the working environment are kept.

In some embodiments, the aspirator comprises at least:

the second body can cover the periphery of the oral cavity of a user, and the middle part of the second body is provided with a central opening through which the sand-spraying handle can pass;

the suction interface is communicated with the second body and is used for connecting a suction filtering device;

a suction channel and an opening communicated with the suction channel are arranged in the second body;

one end of the suction interface is communicated with the suction channel, and the other end of the suction interface is connected to the suction filtering device.

The working principle of the aspirator of the invention is thus: when needing to carry out the sandblast when cleaning teeth, locate the oral cavity periphery with second body cover for the oral cavity is aimed at to the central trompil, and the external suction filter equipment of suction interface can make suction channel form the negative pressure, and the doctor can operate the sandblast handle and clean teeth to patient's oral cavity, and the splash that clean teeth process produced can get into suction channel from the opening of square first body under the combined action of the air pressure of central trompil lateral surface and the negative pressure in the suction channel, finally siphons away from the suction interface.

This aspirator overall structure is simple but convenient to use and effectual, not only can not obstruct going on of clean tooth work, can be fast moreover, in time, effectively absorb the splash that clean tooth process produced, block from the source, effectively avoid the splash departure, keep operational environment's clean health.

In some embodiments, the gas-water separation apparatus comprises at least:

the first shell is provided with a cavity;

the first interface is arranged on the first shell and communicated with the cavity, the first interface is communicated with the air outlet end of the pressure reducing valve and is configured to input gas containing moisture into the cavity;

a separator installed in the cavity and configured to perform gas-water separation on the gas containing moisture entering the first housing;

the second interface is arranged on the first shell and communicated with the cavity, is connected with the air inlet end of the electromagnetic valve and is configured to output the gas obtained after separation by the separator to the electromagnetic valve;

and the third interface is arranged on the first shell, communicated with the cavity and configured to discharge water obtained after separation by the separator.

Therefore, the invention provides a gas-water separation device with a brand new structure, which has the working principle that: before the compressed air enters the powder bottle filled with the sand blasting powder, the compressed air is treated by the separating device, the compressed air containing moisture entering the air path system is decompressed under the action of the decompression valve and then is input into the separator through the first interface, the separator performs gas-water separation on the gas, the gas can easily pass through the separator and is discharged to the electromagnetic valve from the second interface, and the moisture can be contacted with the separator to be condensed into water drops which fall into the bottom of the cavity from the bottom of the separator and then is discharged through the third interface.

In some embodiments, the first housing includes a first body and a cover, the cavity is opened in the first body, the cover covers an end of the first body, the cover can cover the cavity and limit the separator, the first interface and the second interface are mounted on the first body, and the third interface is mounted on the cover; the separator can separate the cavity into two parts, wherein the first cavity is positioned outside the separator, the second cavity is positioned inside the separator, the first port is communicated with the second cavity, and the second port and the third port are communicated with the first cavity. Therefore, the cover body can limit the separator to avoid moving; more importantly, the cover body can be detached, so that the separator can be conveniently replaced, cleaned and the like; the special design of the separator is convenient for realizing gas-liquid separation.

In some embodiments, the gas-water separation device further includes a control portion, a protruding portion extends inwards from the inner side of the cover body, the protruding portion is provided with a central channel, one end of the central channel is communicated with the third interface, the other end of the central channel is communicated with the cavity, and the control portion is mounted in the central channel and can open or close the central channel;

the control part comprises a moving part, a spring and a sealing element, the moving part is sleeved on the central channel and can move along the length direction of the central channel, the spring is sleeved on the periphery of the moving part, a shielding cover is arranged at one end of the moving part, a fourth limiting groove matched with the shielding cover is formed in the protruding part, one end of the spring abuts against the protruding part, the other end of the spring abuts against the shielding cover, the sealing element is sleeved on the protruding part and located in the fourth limiting groove, and the sealing element is in sealing fit with the shielding cover;

the shielding cover is matched with the foot switch, and the shielding cover can open or close the central channel under the action of the foot switch.

Thus, the operating principle of the control unit of the gas-water separation device of the present invention is as follows: when the foot switch is stepped on, gas enters the gas path system of the host from the dental chair, at the moment, gas containing moisture enters the cavity, so that the gas pressure in the cavity is increased, the moving part can move under the action of the gas pressure, the spring is pressed through the shielding cover and the central channel is sealed, the separated gas is discharged to the electromagnetic valve from the second interface, and liquid is gathered at the bottom of the cavity; when the pedal switch is loosened, the air pressure in the cavity is reduced, the movable part can reset under the action of the spring after the pressure disappears, at the moment, the shielding cover cannot shield the central channel, and the liquid can be sprayed out or discharged from the third interface when the central channel is opened. The control part can realize the automatic discharge of separated liquid such as water and the like, the manual operation is not needed, the use is convenient, and the functionality is strong; more importantly, automatic drainage control can be realized through the pedal switch, and the operation is convenient.

In some embodiments, the waterway system comprises a water quantity regulating valve and a heating device, the water quantity regulating valve is installed on the surface of the host machine, the heating device is installed in the host machine, the water inlet end of the water quantity regulating valve is communicated with the water outlet end of the dental chair, the water outlet end of the water quantity regulating valve is communicated with the water inlet pipe of the heating device, and the water outlet end of the heating device is communicated with the water inlet end of the sand blasting handle. Therefore, the water quantity regulating valve is used for realizing the control of the water quantity entering the heating device; be provided with heating device in the host computer, can heat the water that gets into waterway system, be applicable to cold season, the suitability is strong, satisfies the user demand.

In some embodiments, the host further includes a casing, an electrical connector, an AC/DC converter, and a triac output circuit, the air circuit system, the water circuit system, and the controller are installed in the casing, the solenoid valve is electrically connected to the controller, one end of the electrical connector is externally connected to a power supply, the other end is electrically connected to the controller through the AC/DC converter, the triac output circuit is respectively communicated with the electrical connector and the heating device, and the triac output circuit is electrically connected to the controller. Therefore, the plug-in connector and the AC/DC converter can realize the input of electric power, and the cooperation of the electromagnetic valve and the controller can be used for controlling the on-off of the air path, so as to realize the control of the sand blasting powder in the powder bottle; the bidirectional controllable silicon output circuit can realize constant temperature control of water in the waterway system.

In some embodiments, the host is provided with a sixth limiting groove for limiting and matching with the powder bottle, the bottom of the powder bottle is provided with an ID card, the bottom of the sixth limiting groove is provided with an identification module electrically connected with the controller and matching with the ID card, and the identification module is electrically connected with the AC/DC converter. Therefore, the sand blasting tooth cleaning system is provided with the sixth limiting groove which is in limiting fit with the powder bottle on the host, the bottom of the sixth limiting groove is provided with the identification module for identifying the powder bottle, and the ID card at the bottom of each powder bottle is unique and is installed in the production process of the powder bottle, so that when the sand blasting tooth cleaning system is used, the powder bottle is placed in the first limiting groove, the identification module can automatically identify and display parameters such as particle size and powder bottle size on the host, and the sand blasting tooth cleaning system is convenient for workers to use and is not easy to confuse.

In some embodiments, the sandblasting tooth cleaning system further comprises a bottle cap, and the bottle cap is matched with the powder bottle and used for realizing connection of the powder bottle with the air channel system and the sandblasting handle.

According to another aspect of the present invention, there is also provided a blasting prophy method comprising at least the steps of:

s1, preparation stage: preparing a powder bottle, connecting all devices, coating a protective layer and wearing a suction device;

s2, starting: starting a host machine, and identifying a powder bottle;

s3, tooth cleaning stage: treading a foot switch, inputting compressed air into the air path system and reaching a preset pressure value, starting the water path system and the air path system, mixing dentifrice and cleaning water, and cleaning teeth through a sand blasting handle;

s4, suction stage: starting the suction equipment, operating the suction filtering device, and sucking the splashed matters splashed out of the oral cavity through the aspirator;

s5, end stage: and closing the water path system and the air path system, opening the electromagnetic valve, and flushing the air path system and the sand blasting handle by using high-pressure gas.

Therefore, the invention provides the sand blasting tooth cleaning method with a brand new structure, and the sand blasting tooth cleaning method has good tooth cleaning effect; and the splashing splashed from the oral cavity of a patient can be quickly, timely and effectively absorbed in the tooth cleaning process, so that the splashing is effectively prevented from flying out from the source, and the clean and sanitary working environment is kept.

The invention has the beneficial effects that:

1. the sand blasting tooth cleaning system can dry the compressed air before entering the powder bottle, so that the problem of caking before entering a sand blasting handle is avoided, the caking problem is avoided from the source, and the anti-blocking performance is greatly improved;

2. the input of the air source is controlled by the foot switch, the use is convenient, the sand blasting work can be realized directly by the foot switch, the applicability is strong, and the use requirement is met;

3. the device is matched with a suction device for sucking the splashed matter splashed out from the oral cavity of a patient, and the suction device can quickly, timely and effectively suck the splashed matter generated in the tooth cleaning process, block the splashed matter from the source, effectively avoid the splashed matter from flying out and keep the working environment clean and sanitary;

4. the aspirator has simple integral structure, convenient use, good effect and beautiful appearance, and can not obstruct the tooth cleaning work;

5. the gas-water separation device is internally provided with the control part, so that the separated liquid such as water can be automatically discharged, manual operation is not needed, and the gas-water separation device is convenient to use and high in functionality; automatic drainage control can be realized simultaneously through the pedal switch, and the operation is convenient;

6. the heating device is arranged, so that water entering the waterway system can be heated, the device is suitable for cold seasons, the applicability is strong, and the use requirement is met;

7. be provided with bidirectional thyristor output circuit, adjust the temperature knob, accessible adjust the temperature knob and adjust the heating device function, and then realize adjusting waterway system's temperature, cooperate bidirectional thyristor output circuit to realize constant temperature regulation and control.

In conclusion, the sand blasting tooth cleaning system has the advantages of being good in gas-water separation effect, capable of automatically discharging separated liquid, capable of automatically cleaning splashes, good in anti-blocking performance, convenient to operate and control through a foot switch, strong in functionality, strong in applicability, convenient to disassemble and assemble and the like.

Drawings

FIG. 1 is a block diagram of a blasting prophy system according to an embodiment of the invention;

FIG. 2 is a block diagram of an electrical control system of the blasting prophy system of FIG. 1;

FIG. 3 is a schematic perspective view of the blasting prophy system shown in FIG. 1 with a host machine and a blasting handle used in combination;

FIG. 4 is a simplified schematic diagram of a suction apparatus of the blasting prophy system of FIG. 1;

FIG. 5 is a schematic perspective view of an aspirator of the suction apparatus of FIG. 4;

FIG. 6 is a schematic top view of the extractor of FIG. 5;

FIG. 7 is a schematic cross-sectional view in the direction F-F of the aspirator shown in FIG. 6;

FIG. 8 is a schematic sectional view in the direction G-G of the aspirator shown in FIG. 6;

fig. 9 is a schematic perspective view of the main body equipped with the powder bottle shown in fig. 3;

FIG. 10 is a schematic perspective view of the powder bottle and bottle cap of the blasting tooth cleaning system shown in FIG. 9;

FIG. 11 is a schematic view of the blasting prophy system of FIG. 9 after hiding a portion of the cabinet;

FIG. 12 is a schematic perspective view of a gas-water separation device of the blasting tooth cleaning system shown in FIG. 9;

FIG. 13 is a second schematic perspective view of the air-water separating device of the blasting tooth cleaning system shown in FIG. 9;

FIG. 14 is a schematic side view of the gas-water separation apparatus shown in FIG. 12;

FIG. 15 is a schematic sectional view in the direction D-D of the gas-water separation apparatus shown in FIG. 14;

FIG. 16 is an enlarged schematic view of the gas-water separation apparatus shown in FIG. 15 at E;

FIG. 17 is an exploded view of the gas-water separation apparatus shown in FIG. 13;

FIG. 18 is a schematic diagram of a separate process for the blasting prophy system of FIG. 15.

Reference numerals in FIGS. 1 to 18:

a-a host; b-powder bottle; c-a sandblasting handle; d-bottle cap; e-a foot switch; f-a dental chair; g-sand blasting powder; h-protective layer; i-a suction device; j-ID card; b 1-a seventh limiting groove; i 1-aspirator; i 2-suction filtration device; 1-a machine shell; 2-a water gas joint; 3-a gas path system; 4-a waterway system; 5-a controller; 6-temperature adjusting knob; 7-inserting an electrical connector; an 8-AC/DC converter; 9-bidirectional thyristor output circuit; 10-a display; 11-an identification module; 31-a pressure reducing valve; 32-gas-water separation device; 33-a solenoid valve; 34-a first air pump; 35-a second air pump; 36-a pressure sensor; 41-water quantity regulating valve; 42-a heating device; 101-a second body; 102-a suction interface; 321-a first housing; 322-a first interface; 323-a separator; 324-a second interface; 325 — a third interface; 326-a control section; 327-a mounting portion; 1010-center hole; 1011-a suction channel; 1012-opening; 1013-a first lug; 1014-a second lug; 1015-projection; 1021-connecting threads; 3210-cavity; 3211-a first body; 3212-a cover body; 3261-a movable member; 3262-spring; 3263-a seal; 3271-mounting holes; 10131-first opening; 10141-second opening; 10151-a socket; 32101-a first cavity; 32102-a second cavity; 32111-a first retaining groove; 32121-a second limit groove; 32123-a projection; 32611-shielding cover; 32123 a-central channel; 32123 b-a fourth limiting groove; 32123 c-a fifth limiting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Figures 1-18 schematically illustrate a grit blasting prophy system according to one embodiment of the present invention.

As shown in fig. 1-11, the blasting tooth cleaning system comprises:

the dental chair f is connected with an external air source and a water source and is provided with a water-air interface;

the dental chair comprises a main machine a, wherein a controller 5, an air path system 3 and a water path system 4 are arranged in the main machine a, the air path system 3 is connected with an air source interface on a dental chair f, and the water path system 4 is connected with a water source interface on the dental chair f;

the pedal switch e is connected with the host ad controller 5 and the dental chair f and is used for controlling the air source to be input into the air path system 3;

the powder bottle b is detachably arranged on the main machine a and is used for containing sand blasting powder;

the sand blasting handle c is connected with the air channel system 3 and the water channel system 4 of the main machine a;

a suction device i used in cooperation with the blasting handle c for sucking the splashed matter splashed out of the oral cavity;

the suction device i comprises an aspirator i1 arranged at the periphery of the oral cavity and a suction filter device i2 connected with the aspirator i 1;

the air inlet end of the powder bottle b is communicated with the air path system 3, the air outlet end of the powder bottle b is communicated with an air path channel in the sand blasting handle c, and the foot switch e can control whether an air source is filled into the main machine a or not. Under the control of the pedal switch e, the sand blasting powder in the powder bottle b can be taken out and conveyed into a sand blasting handle c;

the main unit a comprises a machine shell 1 and a water-gas connector 2. The water-gas connector 2 is arranged on the surface of the machine shell 1, and the controller 5 and the gas path system 3 are arranged in the machine shell 1 and are communicated with the gas outlet end of the water-gas connector 2.

The sand blasting tooth cleaning system of the embodiment further comprises a bottle cap d, and the bottle cap d is matched with the powder bottle b and used for realizing connection of the powder bottle b with the air path system 3 and the sand blasting handle c.

One end of the bottle cap d is detachably connected with the powder bottle b, and the other end of the bottle cap d is provided with two connectors (not shown in the figure), wherein the two connectors are respectively connected with the sand blasting handle c and the air path system 3. Therefore, the powder bottle b is convenient to disassemble and assemble and can be replaced and used according to actual needs.

The air path system 3 comprises a pressure reducing valve 31 and an electromagnetic valve 33, one end of the pressure reducing valve 31 is communicated with the air outlet end of the water-air connector 2, the other end of the pressure reducing valve 31 is connected with the air inlet end of the electromagnetic valve 33, the air outlet end of the electromagnetic valve 33 is communicated with one connector of the bottle cap d, the electromagnetic valve 33 is electrically connected with the controller 5 and used for filling the air processed by the pressure reducing valve 31 into the powder bottle b, and the other connector is connected with an air path channel of the sand blasting handle c and used for conveying the air carrying sand blasting powder into the sand blasting handle c from the powder bottle b. Therefore, the pressure reducing valve 31 plays a role in reducing pressure, so that the normal use of gas is ensured, and the stability of the gas entering the gas path system 3 is ensured; the electromagnetic valve 33 can be matched with the controller 5 to control the on-off of the air path. The specific working principle of the gas circuit system 3 of the present embodiment can refer to: the patent application number is 202110426670X, and the patent name is Chinese invention patent application of an anti-blocking tooth cleaning and sand blasting device and method.

The air path system 3 further includes a pressure sensor 36, and the pressure sensor 36 is electrically connected to the controller 5 and is communicated with the air outlet of the pressure reducing valve 31. Therefore, the air passage on-off control device can be matched with the controller 5 to realize on-off control of the air passage according to set parameters.

As shown in fig. 5 to 8, the aspirator i1 of the present embodiment includes at least:

a second body 101 covering the periphery of the mouth of the user and having a central opening 1010 for the sand-blasting handle c to pass through;

a suction port 102 communicating with the second body 101 and externally connected with an air extraction device;

a suction passage 1011 and an opening 1012 communicated with the suction passage 1011 are provided in the second body 101;

suction port 102 communicates with suction channel 1011.

The second body 101 of the present embodiment may be designed according to actual needs, and preferably surrounds the periphery of the oral cavity, so as not to obstruct the tooth cleaning operation, but not to press other parts (such as the nose) of the patient.

The opening 1012 is opened in the inner side surface of the second body 101 along the extending direction of the second body 101. Thereby, the objects splashed from the oral cavity can be smoothly introduced into the suction passage 1011 of the second body 101.

The suction interface 102 is integrally connected with the second body 101. From this, simple structure, be convenient for make and with low costs, applicable 3D prints the shaping.

One end of the second body 101 is provided with a first lug 1013, and the first lug 1013 is provided with a first opening 10131.

The other end of the second body 101 is provided with a second lug 1014, and the second lug 1014 is provided with a second opening 141. Thus, the first lug 1013 and the second lug 1014 are convenient for assembling a head band, a rope or a rubber strip, an elastic band, etc. so as to be worn and further fix the second body 101.

The second lug 1014 may be provided on an outer wall of the second body 101, an outer wall of the suction port 102, or a connection of the second body 101 and the suction port 102, as desired. The second lug 1014 of the present embodiment is provided at the connection of the second body 101 and the suction interface 102.

The outer circumference of the end of the suction interface 102 remote from the second body 101 is provided with a connecting thread 1021. Therefore, the detachable connection with the external pipeline is convenient to realize.

The second body 101 is provided with a protrusion 1015, and the protrusion 1015 is provided with an insertion hole 10151. Therefore, the insertion hole 10151 is provided with a suction nozzle which is convenient for placing a strong suction device or a weak suction device connected with the dental chair, and is convenient for a doctor or a worker to use.

As shown in fig. 1-3, the second body 101 of the present embodiment may be a contoured plastic member in a closed loop shape that conforms to the outer periphery of the mouth. The specific shape can be designed according to actual needs, and is preferably an ellipse.

The invention provides a suction device i1 with a brand-new structure, wherein the working principle of the suction device i1 is as follows: when the second body 101 is covered on the periphery of the oral cavity to clean teeth by sandblasting, the central opening 1010 is aligned with the oral cavity, the suction channel 1011 can form negative pressure by a suction device outside the suction port 102, the sandblasting handle c can be operated by a doctor to pass through the central opening 1010 to clean teeth in the oral cavity of a patient, splashes generated in the teeth cleaning process can enter the suction channel 1011 from the opening 1012 of the square first body under the combined action of the air pressure outside the central opening 1010 and the negative pressure in the suction channel 1011, and are finally sucked away from the suction port 102.

The suction device i1 has simple integral structure, convenient use and good effect, can not obstruct the tooth cleaning work, can quickly, timely and effectively suck splashes generated in the tooth cleaning process, blocks the splashes from the source, effectively avoids the splashes from flying out, and keeps the working environment clean and sanitary.

The air path system 3 of the embodiment further includes an air-water separation device 32, a first air pump 34 and a second air pump 35, the air outlet end of the pressure reducing valve 31 is communicated with the air inlet end of the air-water separation device 32, the air outlet end of the air-water separation device 32 is connected with the air inlet end of the electromagnetic valve 33, the first air pump 34 and the second air pump 35 are connected in parallel and are both electrically connected with the controller 5, and the air outlet end is communicated to the connecting air pipe between the bottle cap d and the sand blasting handle c. Therefore, the gas-water separation device 32 has the function of drying air, so that the caking problem is avoided, and the gas path system 3 is prevented from being blocked; the gas-water separation device 32 may be an existing device for gas-liquid separation or gas drying. The first air pump 34 and the second air pump 35 can realize air injection to the air path system 3 and the sand blasting handle c, so that blockage is further prevented.

As shown in fig. 12 to 18, the gas-water separation device 32 of the present embodiment includes at least:

a first housing 321 having a cavity 3210;

a first port 322 installed in the first housing 321 and communicating with the cavity 3210, the first port 322 communicating with an air outlet end of the pressure reducing valve 31 and configured to input gas containing moisture;

a separator 323 installed in the cavity 3210 and configured to separate gas and water from the gas a containing moisture introduced into the first casing 321;

a second port 324 installed in the first housing 321 and communicating with the cavity 3210, the second port 324 being connected to an air inlet of the solenoid valve 33 and configured to output the gas B separated by the separator 323 to the solenoid valve 33;

and a third port 325 installed in the first housing 321, communicating with the cavity 3210, and configured to discharge the water C separated by the separator 323.

The first connector 322, the second connector 324, and the third connector 325 of the present embodiment may be copper nozzles, and may be connected to a gas inlet pipe, a gas outlet pipe, a water outlet pipe, and the like.

The first housing 321 includes a first body 3211 and a cover 3212, the cavity 3210 is opened in the first body 3211, the cover 3212 covers an end of the first body 3211, the cover 3212 can cover the cavity 3210 and limit the separator 323, the first interface 322 and the second interface 324 are installed in the first body 3211, and the third interface 325 is installed in the cover 3212. Therefore, the cover 3212 can limit the separator 323 to prevent movement; more importantly, the cover 3212 is removable to facilitate replacement, cleaning, etc. of the separator 323.

The separator 323 can separate the cavity 3210 into two parts, wherein a first cavity 32101 is located outside the separator 323, a second cavity 32102 is located inside the separator 323, the first port 322 is communicated with the second cavity 32102, and the second port 324 and the third port 325 are communicated with the first cavity 32101. Therefore, gas-liquid separation is convenient to realize.

The separator 323 is a cylindrical cover body, and the diameter of the separator 323 gradually decreases from the first body 3211 to the lid body 3212. Therefore, the device can play a role in flow guiding and has a better gas-liquid separation effect.

The separator 323 of this embodiment may be formed by compression molding a plurality of copper pellets. Thus, when the compressed gas enters the separator 323, the gas can rapidly pass through the separator 323, and the moisture is in contact with the inner wall of the separator 323 and is condensed into water droplets, which slowly flow along the inner wall of the separator 323 and are discharged from the gaps between the copper particles in the separator 323.

The diameter of the front port of the separator 323 in this embodiment is much larger than the diameter of the gas inlet channel of the first connector 322, so that the gas containing water entering the separator 323 can fully contact with the separator 323 with a large area, and a filtering effect of at least 80% or more is achieved, that is, more than 80% of the water in the gas containing water is retained on the separator 323.

The two end portions of the separator 323 respectively abut against the first body 3211 and the cover 3212, the inner side wall of the first body 3211 is provided with a first limiting groove 32111, the inner side wall of the cover 3212 is provided with a second limiting groove 32121, the first limiting groove 32111 is in limit fit with the first end of the separator 323, and the second limiting groove 32121 is in limit fit with the second end of the separator 323. The first and

second stopper grooves

32111 and 32121 of the present embodiment may be circular grooves that fit the cylindrical separator 323. Therefore, the separator 323 can be well limited, other limiting parts do not need to be additionally arranged, and the whole structure is simple.

The lid 3212 is detachably mounted at one end of the first body 3211, a third limiting groove is formed in the inner wall of the first body 3211, and a limiting convex strip matched with the third limiting groove in a limiting manner is arranged on the outer wall of the lid 3212. From this, be convenient for the quick installation of lid 3212, and can carry out spacing to lid 3212 after the installation, prevent that lid 3212 from rotating.

The gas-water separation device 32 of this embodiment further includes a control portion 326, the inner side of the cover 3212 extends inward to form a protrusion 32123, the protrusion 32123 is provided with a central passage 32123a, one end of the central passage 32123a communicates with the third port 325, the other end communicates with the cavity 3210, and the control portion 326 is installed in the central passage 32123a and can open or close the central passage 32123 a. Therefore, the control part 326 can control the opening and closing of the central channel 32123a according to the air pressure in the cavity 3210, and further realize the control of water drainage; more importantly, the control unit 326 also has a function of discharging only water and not discharging air, and thus has a high functionality.

Control portion 326 includes a movable element 3261, a spring 3262, and a seal 3263. The movable piece 3261 is sleeved on the central channel 32123a and can move along the length direction of the central channel 32123a, the spring 3262 is sleeved on the outer periphery of the movable piece 3261, a shielding cover 32611 is arranged at one end of the movable piece 3261, the protruding portion 32123 is provided with a fourth limiting groove 32123b matched with the shielding cover 32611, one end of the spring 3262 abuts against the protruding portion 32123, the other end abuts against the shielding cover 32611, the sealing element 3263 is sleeved on the protruding portion 32123 and located in the fourth limiting groove 32123b, and the sealing element 3263 is in sealing fit with the shielding cover 32611.

The shielding cover 32611 cooperates with the foot switch e, and under the action of the foot switch e, the shielding cover 32611 can open or close the central passage 32123 a.

The sealing member 3263 of the present embodiment may be a silicone gasket, and the movable member 3261 may be a rivet or the like.

The principle of the control unit 326 is: when the foot switch e is stepped on, gas enters the gas path system 13 of the main machine a from the dental chair f, and at the moment, gas containing moisture enters the cavity 3210, so that the gas pressure in the cavity 3210 is increased; when the air pressure in the cavity 3210 reaches a certain value, the movable member 3261 moves under the action of the air pressure, and presses the spring 3262 and closes the central channel 32123a through the shielding cover 32611, at this time, the gas can only be discharged from the second port 324, and the liquid collects at the bottom of the cavity 3210; when the pedal switch e is released, the air pressure in the cavity 3210 decreases, and after the pressure disappears, the movable element 3261 is reset by the spring 3262, and at this time, the shielding cover 32611 does not shield the central passage 32123a, and the liquid is sprayed or discharged from the third port 325 when the central passage 32123a is opened. The control unit 326 of the present invention can automatically discharge separated liquid such as water without manual operation, and is convenient to use and highly functional.

A fifth limiting groove 32123c is formed in the inner wall of the central channel 32123a, and the spring 3262 is in limiting fit with the fifth limiting groove 32123 c. Thus, the spring 3262 can be effectively restrained.

The gas-water separation device 32 of the present embodiment further includes a mounting portion 327, the mounting portion 327 is disposed on the first housing 321, a mounting hole 3271 is disposed on the mounting portion 327 and is located at an end away from the third port 325, and a mounting hole 3271 is disposed on the mounting portion 327. Therefore, the installation and fixation of the device are facilitated through the installation hole 3271, the installation part 327 is installed on the outer wall of the first shell 321, and has a certain height, so that the height of one side, close to the third port 325, of the first shell 321 is lower than that of the other side, a diversion effect is achieved, liquid such as water can be conveniently gathered towards the third port 325, and then the liquid can be conveniently discharged.

The invention provides a gas-water separation device 32 with a brand new structure, and the working principle of the gas-water separation device 32 is as follows: before the compressed air enters the powder bottle B filled with the sand blasting powder, the air-water separation device 32 is used for treating the compressed air, the compressed air A containing moisture is input through the first connector 322, the separator 323 is used for carrying out air-water separation on the air, the separated air B is light in weight, can easily pass through the separator 323 to be gathered upwards and then is discharged from the second connector 324, and the moisture C obtained after separation is contacted with the separator 323 to be gathered into water drops, and the water drops from the bottom of the separator 323 to the bottom of the cavity 3210 and then is discharged through the third connector 325.

The gas-water separation device 32 can dry the compressed air before entering the powder bottle b, so that the caking problem is avoided, the blockage is prevented, and the caking problem is avoided from the source;

the special structure of the separator 323 can realize good gas-water separation function;

the limit structures of the first body 3211 and the cover 3212 can realize a good limit function;

the control part 326 is arranged, so that the separated liquid such as water can be automatically discharged, manual operation is not needed, and the multifunctional water dispenser is convenient to use and high in functionality;

a mounting portion 327 is provided to facilitate mounting and securing of the device.

In addition, the first shell 321 can be 3-10 cm in diameter and 3-15cm in length, and the overall size and the volume are small, so that the whole sand blasting tooth cleaning system can be embedded in a main machine of the sand blasting tooth cleaning system.

In conclusion, the gas-water separation device 32 of the present invention has the advantages of simple structure, small volume, good gas-water separation effect, automatic drainage, strong functionality, convenient assembly and disassembly, etc.

The waterway system 4 of this embodiment includes a water quantity regulating valve 41 and a heating device 42, the water quantity regulating valve 41 is installed on the surface of the housing, the heating device 42 is installed in the housing, the water inlet end of the water quantity regulating valve 41 is connected with the water outlet end of the water-air connector 2, the water outlet end is communicated with the water inlet end of the heating device 42, and the water outlet end of the heating device 42 is communicated with the water inlet end of the sand blasting handle c.

The heating device 42 of the present embodiment may be a heater or a heating water tank that is commonly used in the market and can heat water, and a specific structure thereof will not be described herein.

The sand blasting handle c of the present embodiment may be a sand blasting handle commonly used in the market, and an air channel communicated with the air outlet end of the air channel system 3 and a water channel communicated with the water outlet end of the water channel system 4 are disposed inside the sand blasting handle, and the specific structure thereof will not be described herein.

In the embodiment, a sixth limiting groove which is in limiting fit with the powder bottle b is formed in the host a, an ID card j is arranged at the bottom of the powder bottle 2, and an identification module 11 which is electrically connected with the controller 5 and is matched with the ID card j is arranged at the bottom of the sixth limiting groove;

the identification module 11 of the present embodiment may be an ID card reader.

The bottom of the powder bottle b is provided with a seventh limiting groove b1 matched with the ID card j. Therefore, the installation of the ID card j is convenient, and the stability of the powder bottle b cannot be influenced.

As shown in fig. 5, the host a of the present embodiment further includes an electrical connector 7, an AC/DC converter 8, and a triac output circuit 9, wherein one end of the electrical connector 7 is externally connected to a power supply, the other end is electrically connected to the controller 5 and the identification module 11 through the AC/DC converter 8, the triac output circuit 9 is respectively connected to the electrical connector 7 and the heating device 42, and the triac output circuit 9 is electrically connected to the controller 5. Accordingly, the plug 7 and the AC/DC converter 8 can input electric power, and the triac output circuit 9 can control the water in the water passage system 4 at a constant temperature.

The host a further comprises a temperature adjusting knob 6, and the temperature adjusting knob 6 is installed on the casing 1 and electrically connected with the controller 5. From this, accessible adjust the knob 6 and adjust heating device 42 function, and then realize adjusting the temperature of the water of waterway system 4, cooperate the bidirectional triode thyristor output circuit 9 to realize constant temperature regulation and control.

The host a further includes a display 10, and the display 10 is mounted on the surface of the housing 1 and electrically connected to the controller 5. Thus, the display 10 can display the temperature, the water amount, and the like, and is easy to observe.

s1, preparation stage: preparing a powder bottle b, connecting all devices, coating a protective layer h, and wearing a suction device i 1;

in this step, since the gum is easily damaged or even bleeds during the sandblasting process, a protective layer h needs to be coated on the gum of the patient before the sandblasting process is performed to clean the teeth, and the protective layer h of the present embodiment may be a commonly used photocurable gum protective resin, a photocurable gum protective agent, etc. on the market.

S2, starting: starting the host machine a and identifying the powder bottle b;

s3, tooth cleaning stage: treading the foot switch e, inputting compressed air into the air path system 3 and reaching a preset pressure value, starting the water path system 4 and the air path system 3, mixing dentifrice and cleaning water, and cleaning teeth through the sand blasting handle c;

s4, suction stage: turning on the suction device i, operating the suction filter device i2, and sucking the splashed objects splashed out of the oral cavity through the aspirator i 1;

s5, end stage: the water path system 4 and the air path system 3 are closed, the electromagnetic valve 33 is opened, and the air path system 3 and the sand blasting handle c are flushed by high-pressure gas.

Therefore, the invention provides the sand blasting tooth cleaning method with a brand new structure, and the sand blasting tooth cleaning method has good tooth cleaning effect; and can not block up clean tooth apparatus, can not cause the gum damage, more importantly, can absorb the splatter that splashes out from patient's oral cavity fast, timely, effectively at the in-process of clean tooth, block from the source, effectively avoid the splatter to fly out, keep operational environment's clean health.

The sandblasting dentifrice system of the present invention has the following advantages:

1. the air-water separation device 32 is arranged, the air-water separation device 32 is adopted to treat the compressed air, the air-water separation can be carried out on the compressed air containing moisture entering the air path system 3, the air is easily discharged to the electromagnetic valve 33 from the air-water separation device 32, and the moisture can be remained in the air-water separation device 32;

2. the input of the air source is controlled by the foot switch e, the use is convenient, the sand blasting work can be realized directly by the foot switch e, the applicability is strong, and the use requirement is met;

3. the device is matched with a suction device i for sucking the splashed materials splashed out from the oral cavity of a patient, and the suction device i can quickly, timely and effectively suck the splashed materials generated in the tooth cleaning process, block the splashed materials from the source, effectively avoid the splashed materials from flying out and keep the working environment clean and sanitary;

4. the aspirator i1 has simple integral structure, convenient use, good effect and beautiful appearance, and does not obstruct the tooth cleaning work;

5. the control part 326 is arranged in the gas-water separation device 32, so that the separated liquid such as water can be automatically discharged, manual operation is not needed, and the gas-water separation device is convenient to use and high in functionality; the pedal switch e can also realize automatic drainage control at the same time, and the operation is convenient;

6. the heating device 42 is arranged, so that water entering the waterway system 4 can be heated, the device is suitable for cold seasons, the applicability is strong, and the use requirement is met;

7. be provided with bidirectional thyristor output circuit 9, adjust the temperature knob 6, accessible adjust the temperature knob 6 and adjust heating device 42 function, and then realize adjusting waterway system 4's temperature, cooperate bidirectional thyristor output circuit 9 to realize constant temperature regulation and control.

In conclusion, the sand blasting tooth cleaning system has the advantages of being good in gas-water separation effect, capable of automatically discharging separated liquid, capable of automatically cleaning splashes, good in anti-blocking performance, convenient to operate and control, strong in functionality, strong in applicability, convenient to disassemble and assemble and the like.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. A blast cleaning system, comprising at least:

the main machine (a) is internally provided with a controller (5), an air path system (3) and a water path system (4);

the foot switch (e) is connected with the controller (5) and is used for controlling the air source to be input into the air path system (3);

the powder bottle (b) is arranged on the main machine (a) and is used for containing sand blasting powder (g);

the sand blasting handle (c) is connected with the air path system (3) and the water path system (4) of the host (a);

a suction device (i) for use in cooperation with the blasting handle (c) for sucking splashes splashed out of the oral cavity;

the suction apparatus (i) comprises an aspirator (i1) disposed at the periphery of the oral cavity and a suction filter device (i2) connected with the aspirator (i 1);

the air inlet end of the powder bottle (b) is communicated with the air path system (3), the air outlet end of the powder bottle (b) is communicated with an air path channel in the sand blasting handle (c), and under the control of the foot switch (e), the sand blasting powder (g) in the powder bottle (b) can be taken out by the air in the air path system (3) and conveyed into the sand blasting handle (c);

gas circuit system (3) are including relief pressure valve (31), gas-water separation device (32) and solenoid valve (33), solenoid valve (33) with controller (5) electric connection, the one end intercommunication air supply of relief pressure valve (31), the other end with the inlet end intercommunication of gas-water separation device (32), the end of giving vent to anger of gas-water separation device (32) is connected with the inlet end of solenoid valve (33), the end of giving vent to anger of solenoid valve (33) communicates with the inlet end of powder bottle (b).

2. The abrasive blasting prophy system of claim 1, wherein the aspirator (i1) comprises at least:

the second body (101) can cover the periphery of the oral cavity of a user, and the middle part of the second body is provided with a central opening (1010) through which the sand blasting handle (c) can pass;

-a suction interface (102) communicating with said second body (101) and for connecting a suction filtering device (i 2);

a suction channel (1011) and an opening (1012) communicated with the suction channel (1011) are arranged in the second body (101);

the suction port (102) has one end communicating with the suction passage (1011) and the other end connected to a suction filter device (i 2).

3. The blasting dentifrice system of claim 1, wherein the air-water separating device (32) comprises at least:

a first shell (321) provided with a cavity (3210);

a first interface (322) which is installed on the first shell (321) and communicated with the cavity (3210), wherein the first interface (322) is communicated with the air outlet end of the pressure reducing valve (31) and is configured to input gas containing moisture into the cavity (3210);

a separator (323) installed in the cavity (3210) and configured to separate gas and water from the gas containing moisture that has entered the first casing (321);

a second port (324) installed in the first housing (321) and communicating with the cavity (3210), wherein the second port (324) is connected to an air inlet of the solenoid valve (33) and configured to output the gas separated by the separator (323) to the solenoid valve (33);

a third port (325) installed in the first housing (321), communicating with the cavity (3210), and configured to discharge water separated by the separator (323).

4. The sandblasting tooth cleaning system according to claim 3, wherein the first housing (321) comprises a first body (3211) and a cover (3212), the cavity (3210) opens at the first body (3211), the cover (3212) covers an end of the first body (3211), the cover (3212) covers the cavity (3210) and limits the separator (323), the first interface (322) and the second interface (324) are mounted on the first body (3211), and the third interface (325) is mounted on the cover (3212); the separator (323) can separate the cavity (3210) into two parts, wherein a first cavity (32101) is located outside the separator (323), a second cavity (32102) is located inside the separator (323), the first port (322) is communicated with the second cavity (32102), and the second port (324) and the third port (325) are communicated with the first cavity (32101).

5. The sand blasting tooth cleaning system according to claim 4, wherein the gas-water separation device (32) further comprises a control part (326), a protrusion (32123) extends inwards from the inner side of the cover body (3212), the protrusion (32123) is provided with a central channel (32123a), one end of the central channel (32123a) is communicated with the third port (325), the other end is communicated with the cavity (3210), and the control part (326) is mounted in the central channel (32123a) and can open or close the central channel (32123 a);

the control part (326) comprises a movable piece (3261), a spring (3262) and a sealing piece (3263), the movable piece (3261) is sleeved on the central channel (32123a) and can move along the length direction of the central channel (32123a), the spring (3262) is sleeved on the periphery of the movable piece (3261), a shielding cover (32611) is arranged at one end of the movable piece (3261), a fourth limiting groove (32123b) matched with the shielding cover (32611) is formed in the protruding part (32123), one end of the spring (3262) abuts against the protruding part (32123) and the other end of the spring abuts against the shielding cover (32611), the sealing piece (3263) is sleeved on the protruding part (32123) and located in the fourth limiting groove (32123b), and the sealing piece (3263) is in sealing fit with the shielding cover (32611);

the shutter cover (32611) cooperates with the foot switch (e), under the action of which the shutter cover (32611) is able to open or close the central passage (32123 a).

6. The sandblasting tooth cleaning system according to any one of claims 1-5, wherein the water path system (4) comprises a water quantity regulating valve (41) and a heating device (42), the water quantity regulating valve (41) is installed on the surface of the main machine (a), the heating device (42) is installed in the main machine (a), the water inlet end of the water quantity regulating valve (41) can be communicated with the water outlet end of the dental chair (f), the water outlet end is communicated with the water inlet pipe of the heating device (42), and the water outlet end of the heating device (42) is communicated with the water inlet end of the sandblasting handle (c).

7. The sandblasting tooth cleaning system according to claim 6, wherein the main unit (a) further comprises a cabinet (1), an electrical plug (7), an AC/DC converter (8) and a triac output circuit (9), the gas circuit system (3), the water circuit system (4) and the controller (5) are installed in the cabinet (1), one end of the electrical plug (7) is externally connected with a power supply, the other end of the electrical plug is electrically connected with the controller (5) through the AC/DC converter (8), the triac output circuit (9) is respectively communicated with the electrical plug (7) and the heating device (42), and the triac output circuit (9) is electrically connected with the controller (5).

8. The sandblasting tooth cleaning system according to claim 7, wherein a sixth limit groove matched with the powder bottle (b) in a limit way is formed on the host (a), an ID card (j) is arranged at the bottom of the powder bottle (b), an identification module (11) electrically connected with the controller (5) and matched with the ID card (j) is arranged at the bottom of the sixth limit groove, and the identification module is electrically connected with the AC/DC converter (8).

9. The sandblasting tooth cleaning system according to any one of claims 1 to 5, further comprising a bottle cap (d), wherein the bottle cap (d) is matched with the powder bottle (b) for realizing the connection of the powder bottle (b) with the air path system (3) and the sandblasting handle (c).

10. A method of blasting teeth for cleaning comprising at least the steps of:

s1, preparation stage: preparing a powder bottle (b), connecting the devices, coating a protective layer (h), and wearing a suction device (i 1);

s2, starting: opening a host (a) and identifying a powder bottle (b);

s3, tooth cleaning stage: treading a foot switch (e), inputting compressed air into the air path system (3) and reaching a preset pressure value, starting the water path system (4) and the air path system (3), mixing dentifrice and cleaning water, and cleaning teeth through a sand blasting handle (c);

s4, suction stage: turning on the suction device (i), operating the suction filter device (i2), and sucking the splashed materials splashed out of the oral cavity through the suction device (i 1);

s5, end stage: closing the water path system (4) and the air path system (3), opening the electromagnetic valve (33), and flushing the air path system (3) and the sand blasting handle (c) by using high-pressure gas.