CN220658504U

CN220658504U - Medical dental handpiece cleaning machine

Info

Publication number: CN220658504U
Application number: CN202322209278.7U
Authority: CN
Inventors: 林培恒; 詹洪亮
Original assignee: Foshan Jiachen Medical Technology Co ltd
Current assignee: Foshan Jiachen Medical Technology Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-26
Anticipated expiration: 2033-08-15

Abstract

The utility model relates to a medical dental handpiece cleaner, which comprises a shell, an inner container, a base assembly, a trolley assembly which is in sliding connection with or separated from a washing cavity, a first waterway arranged between the washing cavity and the trolley assembly, a spray column communicated with the water outlet end of the first waterway arranged on the trolley assembly, and a rotary spray arm arranged in the washing cavity corresponding to the trolley assembly; the base assembly is provided with a water inlet mechanism connected with the rotary spray arm and the first waterway, and the rotary spray arm cleans the spray washing cavity through the water inlet mechanism; the spray column cleans medical articles placed on the cart assembly through the water inlet mechanism and the first waterway; a water draining mechanism communicated with the washing cavity is further arranged between the inner container and the base assembly so as to drain washing water in the washing cavity; the inner container is provided with the drying and heating mechanism to dry the washing cavity, so that the medical article is effectively replaced by an existing ultrasonic cleaning machine to clean the medical article, the medical article does not need to be put on the drying machine again to dry after being cleaned, and the medical article is not easy to collide and abrade in the cleaning process.

Description

Medical dental handpiece cleaning machine

Technical Field

The utility model relates to the technical field of medical article cleaning, in particular to a medical dental handpiece cleaning machine.

Background

Dental handpieces are a common tool for dental procedures. In use, the dental handpiece is in direct contact with saliva, blood pressure, teeth, etc. of the oral patient, so that the dental handpiece needs to be cleaned and disinfected after use in order to avoid cross-infection.

At present, a common medical instrument cleaning mode of dental medical instruments is ultrasonic cleaning. The ultrasonic cleaner of this type has the following disadvantages in cleaning: firstly, medical instruments after operation are placed in a stainless steel basket and are easy to wear and collide with each other in the ultrasonic cleaning process, so that the service life of the medical instruments is reduced; secondly, the medical instrument cleaned by the ultrasonic cleaner needs to be manually taken out and put into the dryer for quick drying, which is not only tedious, but also easy to be polluted in the process of taking out and putting into the dryer again.

Disclosure of Invention

The utility model aims to provide a medical dental handpiece cleaning machine, which is characterized in that a drying mechanism is arranged on an inner container and is used for cleaning medical articles by a cleaning mechanism for cleaning medical articles, so that the medical articles are effectively replaced by the existing ultrasonic cleaning machine, the articles are not required to be dried on the drying machine again after being cleaned, and the medical articles are not easy to collide and wear in the cleaning process.

The purpose of the utility model is realized in the following way:

the medical dental handpiece cleaner comprises a shell, an inner container provided with a washing cavity, a base assembly for supporting the inner container, a trolley assembly which enters into or leaves from the washing cavity in a sliding mode, a first waterway arranged between the washing cavity and the trolley assembly, a spray column communicated with the water outlet end of the first waterway arranged on the trolley assembly, and a rotary spray arm arranged above or below the washing cavity corresponding to the trolley assembly; the base assembly is provided with a water inlet mechanism connected with the rotary spray arm and the first waterway, and the rotary spray arm cleans the spray washing cavity through the water inlet mechanism; the spray column cleans medical articles placed on the cart assembly through the water inlet mechanism and the first waterway; a water draining mechanism communicated with the washing cavity is further arranged between the inner container and the base assembly so as to drain washing water in the washing cavity; the inner container is provided with the drying and heating mechanism to dry the washing cavity, so that the medical article is effectively replaced by an existing ultrasonic cleaning machine to clean the medical article, the medical article does not need to be put on the drying machine again to dry after being cleaned, and the medical article is not easy to collide and abrade in the cleaning process.

The drying and heating mechanism comprises a heating film arranged on the outer surface of the inner container, the inner container heats the washing cavity through the heating film, the heating film is made of materials in the prior art, a person skilled in the art can select the materials by himself, the inner container washing cavity is heated through the heating film to 90-110 ℃, the drying and heating mechanism has a high-temperature drying and sterilizing effect, and moisture on surgical instruments (medical articles) such as dental handpieces and the like is quickly dried through high temperature; the inner container is provided with a thermal protector corresponding to the heating film.

The heating film is arranged on each peripheral surface of the inner container to form three-dimensional surrounding heating for the washing cavity, and the shell is provided with the heat dissipation opening to play a role in heat dissipation of the shell, so that the operator is prevented from being accidentally injured by overheating the shell.

The drying and heating mechanism comprises a fan assembly arranged on the outer side of the inner container and a heating film arranged on the inner container, an air inlet of the fan assembly is communicated with outside air, an air outlet of the fan assembly is communicated with the washing cavity, outside cold air enters the fan assembly and is heated by the heating film of the inner container to form hot air, and the hot air is blown to the washing cavity under traction and transportation of the fan assembly; or, only be equipped with PTC fan heating element on the inner bag outside, hot-blast blow to the washing chamber under the traction of fan subassembly is carried, and fan subassembly is carried the steam into the inner bag and is quickened inner bag washing chamber water evaporation, improves drying efficiency.

The PTC blower heating assembly is of the prior art and will not be described in detail herein, and the blower assembly mainly includes a wind scooper, and a heater and a blower disposed within the wind scooper.

The base assembly comprises a rear plate, the water inlet mechanism comprises a water inlet valve and a heating washing pump which are arranged on the rear plate, a second waterway, a third waterway and a fourth waterway are arranged on the liner, the first waterway is communicated with the second waterway, the heating washing pump is connected with the second waterway, and the water inlet valve is connected with the fourth waterway; the heating washing pump conveys part of liquid to the rotary spray arm through the second waterway, the rotary spray arm rotates and sprays the liquid on the washing cavity under the hydraulic action, the heating washing pump conveys part of liquid to the spray column on the cart assembly through the second waterway and the first waterway, and the heating washing pump heats the liquid; the rear plate is also provided with a printing joint for connecting with a printer.

The bottom of the inner container is provided with a water cup, and the second waterway and the fourth waterway are respectively communicated with the water cup; the base component further comprises a right plate, and a flowmeter is arranged on the right plate; the water inlet valve, the flowmeter and the fourth waterway are sequentially connected to convey liquid to the water cup at the bottom of the liner, and the heating washing pump conveys the liquid of the water cup to the rotary spray arm through the second waterway; the heating washing pump conveys the liquid of the water cup to the cart assembly through the second waterway and the first waterway.

The heating washing pump is also connected with the third water channel, and the heating washing pump conveys part of liquid in the inner container washing cavity to the second water channel through the third water channel so as to form a washing circulating water channel.

The water draining mechanism comprises a breather arranged on the outer side of the inner container and a water draining pump arranged on the right plate, the water cup is provided with a liquid inlet communicated with the inner container, the third waterway is communicated with the water cup, and the breather is provided with a water inlet and a water outlet; the drainage pump, the third waterway and the water inlet and outlet are sequentially connected, the drainage pump conveys the cup liquid at the bottom of the liner to the respirator through the third waterway and the water inlet and outlet, and the liquid is discharged out of the respirator through the water outlet and outlet of the respirator; the respirator is also provided with an exhaust port, the outer side of the inner container is also provided with a pressure relief joint connected with the exhaust pipe, and the water vapor generated in the inner container is discharged out of the respirator through the exhaust port and/or the pressure relief joint of the respirator. The inner bag is equipped with pressure release joint and respirator, can effectively pressure release, prevents that internal pressure from being too big, and high temperature washs and the produced gas and vapor of high temperature stoving is discharged through the connection silicone tube on the pressure release joint, has the gas vent on the respirator, and vapor can be got rid of through this mouth, dual guarantee reduces inner bag washing chamber internal pressure.

The cup is provided with a temperature sensor for detecting temperature.

The base component comprises a left plate, a liquid adding pump and a main control board are arranged on the left plate, and a liquid adding connector connected with the liquid adding pump is arranged on the outer side of the inner container; the door lock assembly comprises a buckling hook piece arranged on the shell in a rotating way through the isolation column and a buckling screw fixed on the door body; the buckling hook piece is buckled with or separated from the buckling screw through rotation, so that the door body is tightly closed or opened on the shell. The simple door lock assembly is used during high-temperature cleaning, so that the door body is prevented from being sprung open during the high-temperature cleaning process, and boiling water is prevented from splashing.

The cart component comprises a cart body provided with rollers and a cleaning basket arranged on the cart body; the base component comprises a front plate, a display screen key board is arranged on the back of the front plate, a mounting position is arranged on the front surface of the front plate and corresponds to the display screen key board, a clearance groove is formed between a display screen and a key corresponding to the display screen key board on the mounting position, a key veneer which is attached to the key of the display screen key board is arranged on the mounting position of the front plate, and a display screen veneer which is attached to the display screen of the display screen key board is also arranged on the mounting position of the front plate; the back of the front plate is provided with a protection box for covering the display screen key plate.

Selecting a cleaning mode through key veneering, drying time and the like, wherein the cleaning mode comprises the following steps of: powerful, standard, economical, rinsing, quick and pre-washing, and is simple and convenient to operate.

The beneficial effects of the utility model are as follows:

the medical article cleaning device has the advantages that the drying mechanism is arranged on the liner and is used for cleaning medical articles with the cleaning mechanism for cleaning medical articles, the medical articles are effectively replaced by the existing ultrasonic cleaning machine, the articles do not need to be put on the drying machine again for drying after being cleaned, and the medical articles are not easy to collide and abrade in the cleaning process.

Drawings

FIG. 1 is a schematic view illustrating an inner structure of a liner and base assembly according to an embodiment of the present utility model.

FIG. 2 is a schematic view of a back structure of a liner according to an embodiment of the present utility model.

Fig. 3 is a schematic perspective view of a cleaning machine according to an embodiment of the utility model.

Fig. 4 is a schematic perspective view of a cart assembly according to an embodiment of the utility model.

FIG. 5 is a schematic view of the bottom structure of a liner according to an embodiment of the present utility model.

Fig. 6 is a schematic view showing an assembled and disassembled structure of a front plate of the base assembly according to an embodiment of the present utility model.

Fig. 7 is a schematic perspective view of a rear plate of the base assembly according to an embodiment of the utility model.

Fig. 8 is a schematic perspective view of a left plate of the base assembly according to an embodiment of the utility model.

Fig. 9 is a schematic perspective view of a right plate of the base assembly according to an embodiment of the utility model.

FIG. 10 is a schematic perspective view of a respirator of an embodiment of the present utility model.

FIG. 11 is a schematic view of a heating film disposed at the bottom of a liner according to an embodiment of the present utility model.

Fig. 12 is a schematic view of a structure of a heating film disposed on the right side of a liner according to an embodiment of the present utility model.

Fig. 13 is a schematic view of a structure of a heating film provided on the back of a liner according to an embodiment of the utility model.

Fig. 14 is a schematic view of a structure of a heating film disposed on the left side of a liner according to an embodiment of the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

The medical dental handpiece cleaner comprises a shell 1, an inner container 3 provided with a washing cavity 2, a base assembly 4 for supporting the inner container 3, a cart assembly 5 which is in sliding connection with or separated from the washing cavity 2, a first waterway 6 arranged between the washing cavity 2 and the cart assembly 5, a spray column 7 communicated with the water outlet end of the first waterway 6 arranged on the cart assembly 5, and a rotary spray arm 8 arranged above or below the washing cavity 2 corresponding to the cart assembly 5; the base component 4 is provided with a water inlet mechanism connected with the rotary spray arm 8 and the first waterway 6, and the rotary spray arm 8 cleans the spray washing cavity 2 through the water inlet mechanism; the spray column 7 cleans medical articles placed on the cart assembly 5 through the water inlet mechanism and the first waterway 6; a water draining mechanism communicated with the washing cavity 2 is further arranged between the inner container 3 and the base assembly 4 so as to drain washing water in the washing cavity 2; the inner container 3 is provided with a drying and heating mechanism to dry the washing cavity 2.

In this embodiment, a connection position is provided at one end of the washing chamber 2 of the inner container 3 corresponding to the first waterway 6. The joint at one end of the first waterway 6 is abutted against the connecting position, and the joint is sealed by a sealing ring, so that the water leakage of the washing cavity 2 of the liner 3 is prevented.

The drying and heating mechanism comprises a heating film 9 arranged on the outer surface of the inner container 3, and the inner container 3 heats the washing cavity 2 through the heating film 9; the inner container 3 is provided with a thermal protector 10 corresponding to the heating film 9.

A heating film 9 is arranged on each peripheral surface of the inner container 3 to form three-dimensional surrounding heating for the washing cavity 2, and a heat dissipation opening 11 is arranged on the outer shell 1.

The drying and heating mechanism comprises a fan assembly 12 arranged on the outer side of the inner container 3 and a heating film 9 arranged on the inner container 3, an air inlet of the fan assembly 12 is communicated with outside air, an air outlet of the fan assembly 12 is communicated with the washing cavity 2, outside cold air enters the fan assembly 12 and is heated by the heating film 9 of the inner container 3 to form hot air, and the hot air is blown to the washing cavity 2 under traction and transportation of the fan assembly 12; or, the outside of the inner container 3 is only provided with a PTC blower heating component.

The base assembly 4 comprises a rear plate 13, the water inlet mechanism comprises a water inlet valve 14 and a heating washing pump 15 which are arranged on the rear plate 13, a second water channel 16, a third water channel 17 and a fourth water channel 18 are arranged on the inner container 3, the first water channel 6 is communicated with the second water channel 16, the heating washing pump 15 is connected with the second water channel 16, and the water inlet valve 14 is connected with the fourth water channel 18; the heating washing pump 15 conveys a part of liquid to the rotary spray arm 8 through the second waterway 16, the rotary spray arm 8 is rotated and sprayed on the washing cavity 2 under the hydraulic action, the heating washing pump 15 conveys a part of liquid to the spray column 7 on the cart assembly 5 through the second waterway 16 and the first waterway 6, and the heating washing pump 15 heats the liquid; the rear plate 13 is also provided with a printing connection 33 for connection to a printer.

The bottom of the liner 3 is provided with a water cup 19, and the second water channel 16 and the fourth water channel 18 are respectively communicated with the water cup 19; the base assembly 4 further comprises a right plate 20, and a flowmeter 21 is arranged on the right plate 20; the water inlet valve 14, the flowmeter 21 and the fourth waterway 18 are sequentially connected to convey liquid to the water cup 19 at the bottom of the liner 3, and the heating washing pump 15 conveys the liquid of the water cup 19 to the rotary spray arm 8 through the second waterway 16; the heated wash pump 15 delivers the liquid from the cup 19 to the cart assembly 5 via the second waterway 16 and the first waterway 6.

The heating washing pump 15 is also connected with a third water channel 17, and the heating washing pump 15 conveys part of the liquid in the washing cavity 2 of the liner 3 to the second water channel 16 through the third water channel 17 so as to form a washing circulation water channel.

The water draining mechanism comprises a breather 22 arranged on the outer side of the inner container 3 and a draining pump 23 arranged on the right plate 20, the water cup 19 is provided with a liquid inlet communicated with the inner container 3, the third waterway 17 is communicated with the water cup 19, and the breather 22 is provided with a water inlet and a water outlet 24 and 25; the drainage pump 23, the third waterway 17 and the water inlet and outlet 24 are sequentially connected, the drainage pump 23 conveys liquid of the water cup 19 at the bottom of the liner 3 to the respirator 22 through the third waterway 17 and the water inlet and outlet 24, and the liquid is discharged out of the machine through the water outlet and outlet 25 of the respirator 22; the respirator 22 is also provided with an exhaust port 26, the outside of the inner container 3 is also provided with a pressure relief joint 27 connected with an exhaust pipe, and the water vapor generated in the inner container 3 is discharged out of the machine through the exhaust port 26 and/or the pressure relief joint 27 of the respirator 22.

The cup 19 is provided with a temperature sensor 28 for detecting temperature.

The base component 4 comprises a left plate 29, a liquid adding pump 30 and a main control board 31 are arranged on the left plate 29, and a liquid adding connector 32 connected with the liquid adding pump 30 is arranged on the outer side of the liner 3; the shell 1 is provided with a door body 34 for opening and closing the washing cavity 2 of the liner 3, a rotary door lock assembly for opening and closing is arranged between the door body 34 and the shell 1, and the door lock assembly comprises a buckling hook 36 which is rotatably arranged on the shell 1 through a separation column 35 and a buckling screw 37 which is fixed on the door body 34; the fastening hook 36 is fastened to or separated from the fastening screw 37 by rotation to fasten or open the door 34 to the housing 1. The snap hook 36 is a hanger.

In this embodiment, a magnetic sealing strip is also provided at the closing position between the housing 1 and the door 34.

The cart assembly 5 comprises a cart body provided with rollers and a cleaning basket 38 arranged on the cart body; the base component 4 comprises a front plate 39, a display screen key board 40 is arranged on the back of the front plate 39, an installation position 41 is arranged on the front surface of the front plate 39 corresponding to the display screen key board 40, a clearance groove is formed in the installation position 41 corresponding to the display screen and keys of the display screen key board 40, a key overlay 42 attached to the keys of the display screen key board 40 is arranged on the installation position 41 of the front plate 39, and a display screen overlay 43 attached to the display screen of the display screen key board 40 is also arranged on the installation position 41 of the front plate 39; the back of the front plate 39 is provided with a protective box 44 covering the display key plate 40.

In this embodiment, the two inner sides of the washing chamber 2 of the inner container 3 are respectively provided with a sliding rail corresponding to the rollers of the cart assembly 5.

The spray column 7 is arranged on the square water inlet pipe, a plurality of square water inlet pipes are welded on the trolley body of the trolley assembly 5, and each square water inlet pipe can be connected in a plugging mode through a water pipe.

The protective case 44 serves to protect the display key sheet 40 from liquid flowing into the display key sheet 40.

An annular seal may be provided between the shield case 44 and the front plate 39.

In this embodiment, the inlet valve 14 is connected at one end to a water supply (water source).

After the flow rate of the liquid entering the water inlet valve 14 is detected by the flow meter 21, the liquid enters the fourth waterway 18 to fill the water cup 19 of the inner container 3 of the cleaning machine, after the water filling is finished, the heating and washing pump 15 sends a part of the liquid into the rotary spray arm 8 through the second waterway 16 from the water inlet to the water outlet direction of the heating and washing pump 15, the rotary spray arm 8 rotates and sprays under the action of hydraulic pressure, a part of the liquid is simultaneously conveyed to the spray column 7 on the cart assembly 5 by the heating and washing pump 15, the dental handpiece is cleaned, and a proper amount of surgical instruments are placed in the cleaning basket 38. During operation, the heated wash pump 15 is heating the water all the time to 93 ℃. Surgical instruments such as dental handpieces are cleaned at high temperature inside the inner container 3.

After a period of washing, the drain pump 23 delivers the liquid from the cup 19 to the breather 22 through the third water channel 17 and the water inlet and outlet port 24, and the liquid is discharged out of the machine through the water outlet and outlet port 25 of the breather 22.

The water is discharged for 2 times, and during this process, steam is generated inside the inner container 3, and part of the steam is discharged through the exhaust port 26 on the respirator 22, and the other part of the steam is discharged outside the machine through the silica gel pipe connected with the pressure release joint 27.

Drying is carried out after the cleaning cycle is finished, the heating film 9 at the bottom of the inner container 3, the heating film 9 at the rear of the inner container 3, the heating film 9 at the left of the inner container 3 and the heating film 9 at the right of the inner container 3 heat the washing cavity 2 of the inner container 3 simultaneously, meanwhile, the fan component 12 sends hot air into the inner container 3 to accelerate the evaporation of water in the inner container, the drying efficiency is improved, a plurality of heat dissipation openings 11 are formed in the outer shell 1, the heat dissipation area is increased, the outer shell is prevented from overheating, and the heat dissipation effect is achieved.

In this embodiment, the heating washing pump 15 is a prior art, and the internal structure thereof is not described in detail here.

In this embodiment, the second waterway 16 may be provided with an anhydrous protection switch 45.

In this embodiment, the waterway connection structure may be configured to cooperate with a multi-way valve to perform a pipeline split setting.

In this embodiment, some parts are fixed on the board by screws and other positioning structures (such as positioning posts and positioning holes), which are technical means that are easy to be implemented by those skilled in the art, and will not be described in detail herein.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a medical dental handpiece cleaning machine, includes shell (1), is equipped with inner bag (3) of washing chamber (2), and base subassembly (4) of supporting inner bag (3), its characterized in that: the device also comprises a trolley component (5) which enters into or leaves from the washing cavity (2) in a sliding manner, a first waterway (6) is arranged between the washing cavity (2) and the trolley component (5), a spray column (7) which is communicated with the water outlet end of the first waterway (6) is arranged on the trolley component (5), and a rotary spray arm (8) is arranged above or below the corresponding trolley component (5) in the washing cavity (2); the base component (4) is provided with a water inlet mechanism connected with the rotary spray arm (8) and the first waterway (6), and the rotary spray arm (8) cleans the spray washing cavity (2) through the water inlet mechanism; the spray column (7) cleans medical articles placed on the cart component (5) through the water inlet mechanism and the first waterway (6); a water draining mechanism communicated with the washing cavity (2) is further arranged between the inner container (3) and the base assembly (4) so as to drain washing water in the washing cavity (2); the inner container (3) is provided with a drying and heating mechanism to dry the washing cavity (2).

2. The medical dental handpiece cleaner of claim 1, wherein: the drying and heating mechanism comprises a heating film (9) arranged on the outer surface of the inner container (3), and the inner container (3) heats the washing cavity (2) through the heating film (9); the inner container (3) is provided with a thermal protector (10) corresponding to the heating film (9).

3. The medical dental handpiece cleaner of claim 2, wherein: a heating film (9) is arranged on each peripheral surface of the inner container (3) so as to form three-dimensional surrounding heating for the washing cavity (2), and a heat dissipation opening (11) is arranged on the outer shell (1).

4. The medical dental handpiece cleaner of claim 1, wherein: the drying and heating mechanism comprises a fan assembly (12) arranged on the outer side of the inner container (3) and a heating film (9) arranged on the inner container (3), wherein an air inlet of the fan assembly (12) is communicated with outside air, an air outlet of the fan assembly (12) is communicated with the washing cavity (2), outside cold air enters the fan assembly (12) and is heated by the heating film (9) of the inner container (3) to form hot air, and the hot air is blown to the washing cavity (2) under traction and transportation of the fan assembly (12); or, the outside of the liner (3) is only provided with a PTC blower heating component.

5. The medical dental handpiece cleaner of claim 1, wherein: the base assembly (4) comprises a rear plate (13), the water inlet mechanism comprises a water inlet valve (14) and a heating washing pump (15) which are arranged on the rear plate (13), a second waterway (16), a third waterway (17) and a fourth waterway (18) are arranged on the inner container (3), the first waterway (6) is communicated with the second waterway (16), the heating washing pump (15) is connected with the second waterway (16), and the water inlet valve (14) is connected with the fourth waterway (18); the heating washing pump (15) conveys a part of liquid to the rotary spray arm (8) through the second waterway (16), the rotary spray arm (8) sprays on the washing cavity (2) in a rotary mode under the hydraulic action, the heating washing pump (15) conveys a part of liquid to the spray column (7) on the cart assembly (5) through the second waterway (16) and the first waterway (6), and the heating washing pump (15) heats the liquid; the rear plate (13) is also provided with a printing connector (33) for connecting with a printer.

6. The medical dental handpiece cleaner of claim 5, wherein: the bottom of the inner container (3) is provided with a water cup (19), and the second waterway (16) and the fourth waterway (18) are respectively communicated with the water cup (19); the base component (4) further comprises a right plate (20), and a flowmeter (21) is arranged on the right plate (20); the water inlet valve (14), the flowmeter (21) and the fourth waterway (18) are sequentially connected to convey liquid to the water cup (19) at the bottom of the liner (3), and the heating washing pump (15) conveys the liquid of the water cup (19) to the rotary spray arm (8) through the second waterway (16); the heating washing pump (15) conveys the liquid of the water cup (19) to the cart assembly (5) through the second waterway (16) and the first waterway (6); the heating washing pump (15) is also connected with the third waterway (17), and the heating washing pump (15) conveys part of liquid in the washing cavity (2) of the liner (3) to the second waterway (16) through the third waterway (17) so as to form a washing circulating waterway.

7. The medical dental handpiece cleaner of claim 6, wherein: the water draining mechanism comprises a respirator (22) arranged on the outer side of the inner container (3) and a water draining pump (23) arranged on the right plate (20), the water cup (19) is provided with a liquid inlet communicated with the inner container (3), the third waterway (17) is communicated with the water cup (19), and the respirator (22) is provided with a water inlet and outlet (24) and a water outlet (25); the drainage pump (23), the third waterway (17) and the water inlet and outlet (24) are sequentially connected, the drainage pump (23) conveys liquid in the water cup (19) at the bottom of the liner (3) to the respirator (22) through the third waterway (17) and the water inlet and outlet (24), and the liquid is discharged out of the machine through the water outlet and outlet (25) of the respirator (22); the respirator (22) is also provided with an exhaust port (26), the outer side of the inner container (3) is also provided with a pressure relief joint (27) connected with an exhaust pipe, and the water vapor generated in the inner container (3) is discharged out of the machine through the exhaust port (26) and/or the pressure relief joint (27) of the respirator (22).

8. The medical dental handpiece cleaner of claim 6, wherein: the cup (19) is provided with a temperature sensor (28) for detecting temperature.

9. The medical dental handpiece cleaner of claim 1, wherein: the base component (4) comprises a left plate (29), a liquid adding pump (30) and a main control board (31) are arranged on the left plate (29), and a liquid adding joint (32) connected with the liquid adding pump (30) is arranged on the outer side of the liner (3); a door body (34) for opening and closing the washing cavity (2) of the inner container (3) is arranged on the shell (1), a rotary door lock assembly for opening and closing is arranged between the door body (34) and the shell (1), and the door lock assembly comprises a buckling hook piece (36) arranged on the shell (1) in a rotary manner through a separation column (35) and a buckling screw (37) fixed on the door body (34); the buckling hook (36) is buckled with or separated from the buckling screw (37) through rotation, so that the door body (34) is tightly closed or opened on the shell (1).

10. The medical dental handpiece cleaner of claim 1, wherein: the cart component (5) comprises a cart body provided with rollers and a cleaning basket (38) arranged on the cart body; the base component (4) comprises a front plate (39), a display screen key board (40) is arranged on the back of the front plate (39), an installation position (41) is arranged on the front surface of the front plate (39) corresponding to the display screen key board (40), a clearance groove is formed in the installation position (41) corresponding to the display screen of the display screen key board (40) and keys, a key veneer (42) jointed with the keys of the display screen key board (40) is arranged on the installation position (41) of the front plate (39), and a display screen veneer (43) jointed with the display screen of the display screen key board (40) is also arranged on the installation position (41) of the front plate (39);

the back of the front plate (39) is provided with a protective box (44) which covers the display screen key plate (40).