阅读说明：本技术 一种口腔科用自动负压清洗器 (Automatic negative pressure cleaner for stomatology department ) 是由 万月明 于 2021-08-15 设计创作，主要内容包括：本发明属于口腔清洗技术领域,且公开了一种口腔科用自动负压清洗器,包括支撑组件,所述支撑组件内部安装有抽气组件和分离组件,所述抽气组件的进气端与分离组件连接,且抽气组件用于抽出分离组件内部的气体,使分离组件内部产生负压,所述分离组件上安装有吸液组件。本发明通过分离瓶承接液体,液体进入至分离瓶后,随着液体增多,液体的液面逐渐上升,从而让浮板上升,浮板上升至一定高度后,通过浮板拉动连接绳,通过连接绳拉动挡盖,使挡盖绕着排水管转动,从而让液体通过排水管自动排出,让装置便于自动排出液体,无需使用者定期将液体排出,大大降低了装置的使用难度,提高了使用者的使用体验。(The invention belongs to the technical field of oral cleaning, and discloses an automatic negative pressure cleaner for stomatology department, which comprises a supporting component, wherein an air exhaust component and a separation component are arranged in the supporting component, the air inlet end of the air exhaust component is connected with the separation component, the air exhaust component is used for exhausting air in the separation component to generate negative pressure in the separation component, and a liquid suction component is arranged on the separation component. According to the invention, the liquid is received by the separation bottle, after the liquid enters the separation bottle, the liquid level of the liquid gradually rises along with the increase of the liquid, so that the floating plate rises, after the floating plate rises to a certain height, the connecting rope is pulled by the floating plate, the blocking cover is pulled by the connecting rope, and the blocking cover rotates around the drain pipe, so that the liquid is automatically discharged by the drain pipe, the liquid is automatically discharged by the device, the liquid is not required to be periodically discharged by a user, the use difficulty of the device is greatly reduced, and the use experience of the user is improved.)

1. The utility model provides an automatic negative pressure purger is used to department of stomatology which characterized in that: including supporting component, supporting component internally mounted has bleed subassembly and separator assembly, the inlet end and the separator assembly of the subassembly of bleeding are connected, and the subassembly of bleeding is used for taking out the inside gas of separator assembly, makes the inside negative pressure that produces of separator assembly, the last imbibition subassembly that installs of separator assembly, the imbibition subassembly is arranged in absorbing the liquid of patient's oral cavity and carries to the separator assembly in, the separator assembly is arranged in filtering the liquid of patient's oral cavity.

2. The automatic negative pressure cleaner for department of stomatology according to claim 1, characterized in that: the separation element includes separation bottle (12), separation bottle (12) top closes soon and is connected with sealed lid (14), connecting plate (15) are installed to sealed lid (14) bottom, and the top of sealed lid (14) installs barre (16), filter (13) are installed to connecting plate (15) bottom, filter (13) internally mounted has filter screen (17).

3. The automatic negative pressure cleaner for department of stomatology according to claim 2, characterized in that: the interior of the filter plate (13) is rotatably connected with a rotary roller (18) close to the lower part of the filter screen (17), and a scraper (27) is arranged on the circumferential surface of the rotary roller (18).

4. The automatic negative pressure cleaner for department of stomatology according to claim 3, characterized in that: separation bottle (12) internally mounted has drain pipe (10), and separation bottle (12) are close to the top of drain pipe (10) and install the removal subassembly, remove and install movable plate (22) on the subassembly, and remove the subassembly and be used for driving movable plate (22) and remove, install connecting rod (21) on movable plate (22), roof (24) are installed at connecting rod (21) top, and connecting rod (21) bottom installs kickboard (26), the one end of drain pipe (10) is rotated and is connected with fender lid (28), install between kickboard (26) and fender lid (28) and be connected rope (25), the internally mounted of drain pipe (10) has water pump (30).

5. The automatic negative pressure cleaner for department of stomatology according to claim 1, characterized in that: the movable assembly comprises a limiting rod (23) and a screw rod (19), the screw rod (19) is located on one side of the limiting rod (23), and the screw rod (19) extends to one end of the outer portion of the separation bottle (12) and is provided with a rotary head (20).

6. The automatic negative pressure cleaner for department of stomatology according to claim 1, characterized in that: the supporting component comprises a supporting frame (29), a push rod (2) is installed on one side of the supporting frame (29), a top cover (3) is connected to the top of the supporting frame (29) in a rotating mode, and a lifting handle (4) is installed on the top of the top cover (3).

7. The automatic negative pressure cleaner for department of stomatology according to claim 1, characterized in that: the air extraction assembly comprises a diaphragm pump (11).

8. The automatic negative pressure cleaner for department of stomatology according to claim 6, wherein: the imbibition subassembly includes transfer line (9), connecting pipe (8) are installed to the feed liquor end of transfer line (9), pipette (7) are installed to the feed liquor end of connecting pipe (8).

9. The automatic negative pressure cleaner for department of stomatology according to claim 8, wherein: side bearer (5) are installed to one side that support frame (29) are close to connecting pipe (8), magnetic sheet (6) are installed to one side that side bearer (5) are close to connecting pipe (8).

10. The automatic negative pressure cleaner for department of stomatology according to claim 9, wherein: the bottom of the support frame (29) is rotatably connected with a bottom rod (1), and the bottom of the bottom rod (1) is rotatably connected with a moving wheel.

Technical Field

The invention belongs to the technical field of oral cleaning, and particularly relates to an automatic negative pressure cleaner for stomatology.

Background

The oral cavity cleaning is a measure for cleaning the oral cavity, due to the rapid development of the society, the living materials of people are increasingly rich, along with the complexity of the food types eaten by people, a lot of food residues can be remained in the oral cavity of people, if the people are not cleaned in time, a large amount of tartar can be remained on the teeth of people, and therefore the oral cavity needs to be cleaned regularly.

But the oral cavity negative pressure purger on the existing market does not set up the structure of the automatic discharge liquid of being convenient for, needs the user regularly to discharge liquid, greatly increased the use degree of difficulty of device, reduced user's use and experienced.

Disclosure of Invention

The invention aims to provide an automatic negative pressure cleaner for stomatology, which aims to solve the problems that the use difficulty of the device is increased and the use experience of a user is reduced in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic negative pressure purger is used to department of stomatology, includes supporting component, supporting component internally mounted has air exhaust subassembly and separator assembly, the inlet end and the separator assembly of air exhaust subassembly are connected, and air exhaust subassembly is used for taking out the inside gas of separator assembly, makes the inside negative pressure that produces of separator assembly, the last imbibition subassembly that installs of separator assembly, the imbibition subassembly is arranged in absorbing the liquid transport to the separator assembly in the patient oral cavity, separator assembly is arranged in filtering the liquid in the patient oral cavity.

Preferably, the separation component comprises a separation bottle, the top of the separation bottle is connected with a sealing cover in a screwing mode, a connecting plate is installed at the bottom of the sealing cover, a handle is installed at the top of the sealing cover, a filter plate is installed at the bottom of the connecting plate, and a filter screen is installed inside the filter plate.

Preferably, a rotating roller is rotatably connected to the lower part of the interior of the filter plate, which is close to the filter screen, and a scraper is installed on the circumferential surface of the rotating roller.

Preferably, the separation bottle internally mounted has the drain pipe, and the separation bottle is close to the top of drain pipe and installs the removal subassembly, install the movable plate on the removal subassembly, and the removal subassembly is used for driving the movable plate and removes, install the connecting rod on the movable plate, the roof is installed at the connecting rod top, and installs the kickboard bottom the connecting rod, the one end of drain pipe is rotated and is connected with the fender lid, install between kickboard and the fender lid and connect the rope, the internally mounted of drain pipe has the water pump.

Preferably, the moving assembly comprises a limiting rod and a screw rod, the screw rod is located on one side of the limiting rod, and the screw rod extends to one end of the outer portion of the separation bottle, and the rotating head is installed on one end of the outer portion of the separation bottle.

Preferably, the supporting component comprises a supporting frame, a push rod is installed on one side of the supporting frame, a top cover is connected to the top of the supporting frame in a rotating mode, and a lifting handle is installed at the top of the top cover.

Preferably, the air extraction assembly comprises a diaphragm pump.

Preferably, the imbibition subassembly includes the transfer line, the connecting pipe is installed to the feed liquor end of transfer line, the pipette is installed to the feed liquor end of connecting pipe.

Preferably, one side of the support frame, which is close to the connecting pipe, is provided with a side frame, and one side of the side frame, which is close to the connecting pipe, is provided with a magnetic plate.

Preferably, the bottom of the support frame is rotatably connected with a bottom rod, and the bottom of the bottom rod is rotatably connected with a movable wheel.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the liquid is received by the separation bottle, after the liquid enters the separation bottle, the liquid level of the liquid gradually rises along with the increase of the liquid, so that the floating plate rises, after the floating plate rises to a certain height, the connecting rope is pulled by the floating plate, the blocking cover is pulled by the connecting rope, and the blocking cover rotates around the drain pipe, so that the liquid is automatically discharged by the drain pipe, the liquid is automatically discharged by the device, the liquid is not required to be periodically discharged by a user, the use difficulty of the device is greatly reduced, and the use experience of the user is improved.

(2) On the basis of the beneficial effects, the rotary head is rotated, the rotary head drives the screw rod to rotate, and the movable plate moves between the limiting rod and the screw rod under the matching of the limiting rod, so that the heights of the floating plate and the connecting rod are adjusted, the liquid level of the liquid automatically discharged from the separation bottle can be adjusted by the device according to the requirements of a user, the use difficulty of the device is further reduced, and the use experience of the user is improved.

(3) After liquid in the oral cavity of the patient enters the separation bottle, the liquid in the oral cavity of the patient is filtered through the filter screen, so that tooth debris is left above the filter, and the liquid enters the bottom end inside the separation bottle through the filter screen, so that the tooth debris is prevented from blocking a pipeline, the use difficulty of the device is further reduced, and the use experience of a user is improved.

(4) On the basis of the beneficial effects, when liquid passes through the filter screen, the liquid can impact the rotary roller, and the rotary roller drives the scraper plate to rotate, so that the scraper plate scrapes the filter screen, the filter screen is prevented from being blocked, the liquid can smoothly pass through the filter screen, the use difficulty of the device is further reduced, and the use experience of a user is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is a top view of a filter plate of the present invention;

FIG. 4 is a top view of the filter plate of the present invention with the filter screen removed;

FIG. 5 is a cross-sectional view of a filter plate of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 2;

FIG. 7 is an enlarged view of portion B of FIG. 2;

FIG. 8 is an enlarged view of portion C of FIG. 2;

FIG. 9 is an enlarged view of portion D of FIG. 2;

FIG. 10 is an enlarged view of section E of FIG. 3;

FIG. 11 is an enlarged view of portion F of FIG. 4;

FIG. 12 is a top view of the present invention with the moving plate attached to the connecting rod;

FIG. 13 is an internal structural view of the drain pipe of the present invention;

in the figure: 1. a bottom bar; 2. a push rod; 3. a top cover; 4. a handle; 5. a side frame; 6. a magnetic plate; 7. a pipette; 8. a connecting pipe; 9. a transfusion tube; 10. a drain pipe; 11. a diaphragm pump; 12. separating the bottles; 13. a filter plate; 14. a sealing cover; 15. a connecting plate; 16. a handle bar; 17. a filter screen; 18. rotating the roller; 19. a screw; 20. turning the head; 21. a connecting rod; 22. moving the plate; 23. a limiting rod; 24. a top plate; 25. connecting ropes; 26. a floating plate; 27. a squeegee; 28. a blocking cover; 29. a support frame; 30. and (4) a water pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-13, the present invention provides the following technical solutions:

the first embodiment is as follows: an automatic negative pressure cleaner for stomatology comprises a supporting component, wherein an air exhaust component and a separation component are arranged in the supporting component, the air inlet end of the air exhaust component is connected with the separation component, the air exhaust component is used for exhausting air in the separation component to enable negative pressure to be generated in the separation component, a liquid absorption component is arranged on the separation component and used for absorbing liquid in the oral cavity of a patient and conveying the liquid to the separation component, and the separation component is used for filtering the liquid in the oral cavity of the patient;

the separating component comprises a separating bottle 12, a sealing cover 14 is screwed and connected on the top of the separating bottle 12, a connecting plate 15 is arranged at the bottom of the sealing cover 14, and the top of the sealing cover 14 is provided with a handle bar 16, the bottom of the connecting plate 15 is provided with a filter plate 13, the filter plate 13 is internally provided with a filter screen 17, the supporting component is moved to a using point, the imbibing component is taken and inserted into the oral cavity of a patient, the air pumping component pumps the air in the separation bottle 12 through the work of the air pumping component, so that the negative pressure is generated in the separation bottle 12, thereby leading the liquid suction component to generate suction force, sucking the liquid in the oral cavity of the patient through the liquid suction component, leading the liquid in the oral cavity of the patient to enter the separation bottle 12, the liquid in the oral cavity of the patient is filtered through the filter screen 17 on the filter plate 13, so that the tooth debris is remained above the filter screen 17, and the liquid enters the bottom end inside the separation bottle 12 through the filter screen 17.

Example two: an automatic negative pressure cleaner for stomatology department comprises a supporting component, wherein an air exhaust component and a separation component are installed inside the supporting component, the air inlet end of the air exhaust component is connected with the separation component, the air exhaust component is used for exhausting air inside the separation component to enable negative pressure to be generated inside the separation component, a liquid absorption component is installed on the separation component and used for absorbing liquid in the oral cavity of a patient and conveying the liquid into the separation component, the separation component is used for filtering liquid in the oral cavity of the patient and comprises a separation bottle 12, a sealing cover 14 is connected to the top of the separation bottle 12 in a screwing mode, a connecting plate 15 is installed at the bottom of the sealing cover 14, a handle 16 is installed at the top of the sealing cover 14, a filter plate 13 is installed at the bottom of the connecting plate 15, and a filter screen 17 is installed inside the filter plate 13;

the lower part of the inside of the filter plate 13 close to the filter screen 17 is rotatably connected with a rotating roller 18, a scraper 27 is installed on the circumferential surface of the rotating roller 18, the supporting component is moved to a using point, the liquid suction component is taken, the liquid suction component is inserted into the oral cavity of a patient, the air suction component works to suck air in the separating bottle 12 and generate negative pressure in the separating bottle 12, so that the liquid suction component generates suction force, liquid in the oral cavity of the patient is sucked through the liquid suction component and enters the separating bottle 12, the liquid in the oral cavity of the patient is filtered through the filter screen 17 on the filter plate 13, tooth debris is remained above the filter screen 17, the liquid enters the bottom end in the separating bottle 12 through the filter screen 17, and when the liquid passes through the filter screen 17, the liquid can impact the rotating roller 18 to rotate the rotating roller 18, the scraper 27 is driven to rotate by the rotating roller 18, the scraper 27 scrapes the filter screen 17 through the scraper 27, thereby avoiding clogging of the filter screen 17.

Example three: an automatic negative pressure cleaner for stomatology department comprises a supporting component, an air exhaust component and a separation component are arranged in the supporting component, the air inlet end of the air exhaust component is connected with the separation component, the air exhaust component is used for exhausting air in the separation component to generate negative pressure in the separation component, the liquid absorption component is arranged on the separation component and used for absorbing liquid in the oral cavity of a patient and conveying the liquid to the separation component, the separation component is used for filtering liquid in the oral cavity of a patient and comprises a separation bottle 12, the top of the separation bottle 12 is connected with a sealing cover 14 in a screwing way, the bottom of the sealing cover 14 is provided with a connecting plate 15, a handle bar 16 is arranged at the top of the sealing cover 14, a filter plate 13 is arranged at the bottom of the connecting plate 15, a filter screen 17 is arranged in the filter plate 13, a rotary roller 18 is rotatably connected to the lower part of the filter plate 13 close to the filter screen 17, and a scraper 27 is arranged on the circumferential surface of the rotary roller 18;

the inside of the separation bottle 12 is provided with the drain pipe 10, the separation bottle 12 is provided with a moving component above the drain pipe 10, the moving component is provided with a moving plate 22 and is used for driving the moving plate 22 to move, the moving plate 22 is provided with a connecting rod 21, the top of the connecting rod 21 is provided with a top plate 24, the bottom of the connecting rod 21 is provided with a floating plate 26, one end of the drain pipe 10 is rotatably connected with a blocking cover 28, a connecting rope 25 is arranged between the floating plate 26 and the blocking cover 28, the inside of the drain pipe 10 is provided with a water pump 30, the supporting component is moved to a using point, the imbibing component is taken and inserted into the oral cavity of a patient, the air pumping component pumps the air inside the separation bottle 12 through the work of the air pumping component, so that the inside of the separation bottle 12 generates negative pressure, the imbibing component generates suction, the liquid in the oral cavity of the patient is pumped through the imbibing component, and the liquid in the oral cavity of the patient enters the separation bottle 12, liquid in the oral cavity of a patient is filtered through the filter screen 17 on the filter plate 13, tooth debris is left above the filter screen 17, the liquid enters the bottom end inside the separation bottle 12 through the filter screen 17, and when the liquid passes through the filter screen 17, the liquid can impact the rotary roller 18 to rotate the rotary roller 18, the rotary roller 18 drives the scraper 27 to rotate, the filter screen 17 is scraped through the scraper 27, so that the filter screen 17 is prevented from being blocked, after the liquid enters the separation bottle 12, along with the gradual increase of the liquid, the floating plate 26 rises, the floating plate 26 drives the connecting rod 21 to move in the movable plate 22, the connecting rod 21 is prevented from accidentally falling through the top plate 24, the floating plate 26 rises, the connecting rope 25 is driven to move, the blocking cover 28 is pulled through the connecting rope 25, the blocking cover 28 rotates around the drain pipe 10, after the liquid is accumulated to a certain amount, a water body is sucked through the water pump 30 inside the drain pipe 10, thereby automatically discharging the water body.

Example four: an automatic negative pressure cleaner for department of stomatology comprises a supporting component, wherein an air exhaust component and a separation component are arranged inside the supporting component, the air inlet end of the air exhaust component is connected with the separation component, the air exhaust component is used for exhausting air inside the separation component to enable negative pressure to be generated inside the separation component, a liquid absorption component is arranged on the separation component and used for absorbing liquid in the oral cavity of a patient and conveying the liquid into the separation component, the separation component is used for filtering liquid in the oral cavity of the patient and comprises a separation bottle 12, a sealing cover 14 is connected to the top of the separation bottle 12 in a screwing mode, a connecting plate 15 is arranged at the bottom of the sealing cover 14, a handle 16 is arranged at the top of the sealing cover 14, a filter plate 13 is arranged at the bottom of the connecting plate 15, a filter screen 17 is arranged inside the filter plate 13, a rotating roller 18 is rotatably connected to the position, close to the lower portion of the filter screen 17, and a scraper 27 is arranged on the periphery of the rotating roller 18, the drain pipe 10 is installed inside the separation bottle 12, the moving assembly is installed above the separation bottle 12 close to the drain pipe 10, the moving plate 22 is installed on the moving assembly and used for driving the moving plate 22 to move, the connecting rod 21 is installed on the moving plate 22, the top of the connecting rod 21 is provided with the top plate 24, the bottom of the connecting rod 21 is provided with the floating plate 26, one end of the drain pipe 10 is rotatably connected with the blocking cover 28, the connecting rope 25 is installed between the floating plate 26 and the blocking cover 28, and the water pump 30 is installed inside the drain pipe 10;

the moving assembly comprises a limiting rod 23 and a screw rod 19, the screw rod 19 is positioned on one side of the limiting rod 23, a rotating head 20 is installed at one end of the screw rod 19 extending to the outside of the separation bottle 12, the supporting assembly is moved to a using point, the liquid suction assembly is taken, the liquid suction assembly is inserted into the oral cavity of a patient, the air pumping assembly works, the air pumping assembly pumps air inside the separation bottle 12 to enable the inside of the separation bottle 12 to generate negative pressure, so that the liquid suction assembly generates suction force, liquid in the oral cavity of the patient is sucked through the liquid suction assembly, the liquid in the oral cavity of the patient enters the separation bottle 12, the liquid in the oral cavity of the patient is filtered through the filter screen 17 on the filter plate 13, tooth scraps are left above the filter screen 17, the liquid enters the bottom end inside the separation bottle 12 through the filter screen 17, and when the liquid passes through the filter screen 17, the liquid can impact the rotating roller 18 to enable the rotating roller 18 to rotate, and the scraper 27 is driven by the rotating roller 18 to rotate, the filter screen 17 is scraped by the scraping plate 27, so that the filter screen 17 is prevented from being blocked, when liquid enters the separation bottle 12, the liquid is gradually increased, so that the floating plate 26 rises, the floating plate 26 drives the connecting rod 21 to move in the movable plate 22, the connecting rod 21 is prevented from accidentally falling by the top plate 24, the floating plate 26 rises, so that the connecting rope 25 is driven to move, the baffle cover 28 is pulled by the connecting rope 25, the baffle cover 28 rotates around the drain pipe 10, after the liquid is accumulated to a certain amount, the water is sucked by the water pump 30 in the drain pipe 10, so that the water is automatically discharged, when a user needs to adjust the water level of the automatically discharged liquid of the separation bottle 12, the rotating head 20 is rotated, the screw rod 19 is driven to rotate by the rotating head 20, the movable plate 22 is matched by the limiting rod 23, the movable plate 22 is driven to move between the limiting rod 23 and the screw rod 19 by the movable plate 22, the connecting rod 21 and the floating plate 26 are moved to the user's position, thereby adjusting the level of the liquid automatically discharged from the separation bottle 12.

Example five: an automatic negative pressure cleaner for department of stomatology comprises a supporting component, wherein an air exhaust component and a separation component are arranged inside the supporting component, the air inlet end of the air exhaust component is connected with the separation component, the air exhaust component is used for exhausting air inside the separation component to enable negative pressure to be generated inside the separation component, a liquid absorption component is arranged on the separation component and used for absorbing liquid in the oral cavity of a patient and conveying the liquid into the separation component, the separation component is used for filtering liquid in the oral cavity of the patient and comprises a separation bottle 12, a sealing cover 14 is connected to the top of the separation bottle 12 in a screwing mode, a connecting plate 15 is arranged at the bottom of the sealing cover 14, a handle 16 is arranged at the top of the sealing cover 14, a filter plate 13 is arranged at the bottom of the connecting plate 15, a filter screen 17 is arranged inside the filter plate 13, a rotating roller 18 is rotatably connected to the position, close to the lower portion of the filter screen 17, and a scraper 27 is arranged on the periphery of the rotating roller 18, the water discharging pipe 10 is installed inside the separating bottle 12, the moving assembly is installed above the separating bottle 12 close to the water discharging pipe 10, the moving plate 22 is installed on the moving assembly and used for driving the moving plate 22 to move, the connecting rod 21 is installed on the moving plate 22, the top of the connecting rod 21 is provided with the top plate 24, the bottom of the connecting rod 21 is provided with the floating plate 26, one end of the water discharging pipe 10 is rotatably connected with the blocking cover 28, the connecting rope 25 is installed between the floating plate 26 and the blocking cover 28, the water pump 30 is installed inside the water discharging pipe 10, the moving assembly comprises the limiting rod 23 and the screw rod 19, the screw rod 19 is located on one side of the limiting rod 23, and the rotating head 20 is installed at one end, extending to the outside of the separating bottle 12, of the screw rod 19;

the supporting component includes support frame 29, push rod 2 is installed to one side of support frame 29, and the top of support frame 29 rotates and is connected with top cap 3, handle 4 is installed at the top of top cap 3, the subassembly of bleeding includes diaphragm pump 11, the imbibition subassembly includes transfer line 9, connecting pipe 8 is installed to the feed liquor end of transfer line 9, pipette 7 is installed to the feed liquor end of connecting pipe 8, support frame 29 is close to one side of connecting pipe 8 and installs side bearer 5, side bearer 5 is close to one side of connecting pipe 8 and installs magnetic sheet 6, support frame 29 bottom is rotated and is connected with sill bar 1, the bottom of sill bar 1 is rotated and is connected with the removal wheel.

The support frame 29 is pulled by the push rod 2, the support frame 29 is moved to a use point through the bottom rod 1 and the moving wheel, the top cover 3 is pulled by the handle 4, the top cover 3 is opened, the pipette 7 is taken, the connecting pipe 8 is separated from the magnetic plate 6 on the side frame 5, the pipette 7 is inserted into the oral cavity of a patient, the diaphragm pump 11 works, the diaphragm pump 11 extracts gas in the separation bottle 12, negative pressure is generated in the separation bottle 12, the pipette assembly generates suction force, liquid in the oral cavity of the patient is sucked by the pipette 7, the liquid in the oral cavity of the patient enters the separation bottle 12, the liquid in the oral cavity of the patient is filtered by the filter screen 17 on the filter plate 13, tooth scraps are left above the filter screen 17, the liquid enters the bottom end in the separation bottle 12 through the filter screen 17, and when the liquid passes through the filter screen 17, the liquid impacts the rotating roller 18 to rotate the rotating roller 18, the scraper 27 is driven to rotate by the rotating roller 18, the filter screen 17 is scraped by the scraper 27, so that the filter screen 17 is prevented from being blocked, when liquid enters the separation bottle 12, along with the gradual increase of the liquid, the floating plate 26 rises, the floating plate 26 drives the connecting rod 21 to move in the movable plate 22, the connecting rod 21 is prevented from falling off accidentally by the top plate 24, the floating plate 26 rises, so as to drive the connecting rope 25 to move, the baffle cover 28 is pulled by the connecting rope 25, the baffle cover 28 rotates around the drain pipe 10, after the liquid is accumulated to a certain amount, the water is sucked by the water pump 30 in the drain pipe 10, so as to be automatically discharged, when a user needs to adjust the water level of the automatically discharged liquid of the separation bottle 12, the rotating head 20 is rotated, the screw rod 19 is driven by the rotating head 20, the movable plate is matched with the limiting rod 23, so that the movable plate 22 moves between the limiting rod 23 and the screw rod 19, and the connecting rod 21 is driven by the movable plate 22 to move, the connecting rod 21 and the floating plate 26 are moved to the user's position, thereby adjusting the level of the liquid automatically discharged from the separation bottle 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.