Filtering equipment for dental cleaning

Abstract

The utility model belongs to the technical field of filtering equipment, and discloses dental cleaning filtering equipment which comprises a machine shell, a filter screen and a filter screen, the partition plate is installed in the containing space and can divide the containing space into a main cavity and an air inlet cavity. The suction device is used for sucking waste liquid generated in the dental cleaning process and conveying the waste liquid to the air inlet chamber; the filtering device is mounted in the air inlet chamber, is matched with the suction device and is used for filtering the waste liquid entering the air inlet chamber; the negative pressure detection device is installed in the containing space, the detection end of the negative pressure detection device extends into the air inlet cavity, and the negative pressure detection device is used for detecting air pressure in the air inlet cavity. The alarm is matched with the negative pressure detection device and used for giving an alarm; a limiting groove is formed in the machine shell. The filtering device is detachably installed in the limiting groove and matched with the limiting groove in a limiting mode. The filtering device of the filtering equipment is detachable, the filter element is convenient to replace, the blockage condition is automatically detected, and a user is reminded to replace the filter element in time.

Description

Technical Field

[0001] The utility model belongs to the technical field of filtering equipment, and in particular relates to a filtering equipment for dental cleaning. Background Art

[0002] Currently, when staff perform dental treatment on patients, patients will expel droplets from their mouths. If these droplets are not handled in time, they will cause pollution to the staff and the surrounding environment.

[0003] As shown in the Chinese utility model patent with publication number CN214104729U, it discloses an oral treatment suction machine with multi-stage filtration, which relates to a suction device, which includes a box body, a vacuum pump and a UV lamp are arranged in the box body, ventilation holes are arranged on the upper side of the box body, the ventilation holes are connected to the inner side of the box body, a ventilation pipe is arranged on the box body, the ventilation pipe is connected to the ventilation holes, the air inlet of the vacuum pump is connected to the ventilation holes, and an exhaust port is arranged on the bottom wall of the box body.

[0004] As shown in the above patent, the above problem is solved by using a suction machine to suck the droplets. In order to meet the emission requirements and based on the starting point of protecting the environment, the existing suction machine is generally equipped with a filter. However, the existing suction machine generally has a filter installed inside the casing, and the filter is generally installed inside the casing. When the filter needs to be replaced, most of the casing needs to be removed first, and then the filter is removed. The filter is fixedly connected, and the disassembly and assembly is cumbersome, time-consuming, and inconvenient; in addition, the existing suction machine cannot accurately know the blockage of the filter and cannot be replaced in time. Utility Model Content

[0005] The purpose of the utility model is to provide a dental cleaning filter device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a dental cleaning filter device, comprising at least:

[0007] A casing, wherein a receiving space is provided inside;

[0008] A partition plate is installed in the accommodation space and is capable of dividing the accommodation space into a main chamber and an air intake chamber;

[0009] a suction device for sucking waste fluid generated during the dental cleaning process and conveying it to the air intake chamber;

[0010] A filtering device, installed in the air intake chamber and cooperating with the suction device, for filtering the waste liquid entering the air intake chamber;

[0011] A negative pressure detection device is installed in the accommodating space and its detection end extends into the air inlet chamber, and is used to detect the air pressure in the air inlet chamber;

[0012] An alarm, used in conjunction with a negative pressure detection device to give an alarm;

[0013] The casing is provided with a limiting groove which is in communication with the air inlet chamber;

[0014] The filter device is detachably mounted on the limiting groove and is in limiting cooperation with the limiting groove.

[0015] In some embodiments, the dental cleaning filter device further comprises an air intake cover, which is detachably mounted on the front end surface of the housing and covers the outer periphery of the filter device.

[0016] In some embodiments, a limiting member for pressing the filter device is provided on the air intake hood.

[0017] In some embodiments, the filter device includes a frame and a filter element. The frame is in limited cooperation with the limiting groove, and the filter element is detachably mounted on the frame.

[0018] In some embodiments, folding plates are provided on both sides of the partition, the partition is connected to the casing through the folding plates, and a track groove is provided on the inner side of the folding plate, and the track groove is used to install the plate filter.

[0019] In some embodiments, the suction device includes a suction main unit, a suction interface, a suction pipe and a suction device. The suction main unit is installed in the main chamber and is connected to the air intake chamber through a first connecting pipe. The suction interface is installed in the air intake hood and is connected to the air intake chamber. The suction pipe is respectively connected to the suction interface and the suction device.

[0020] In some embodiments, the suction pipe includes a first bellows, a second bellows and a connector, the first end of the connector is detachably connected to the first end of the first bellows, the second end of the first bellows is detachably connected to the suction interface, the second end of the connector is detachably connected to the first end of the second bellows, and the second end of the second bellows is detachably connected to the suction device.

[0021] In some embodiments, the first end of the connector is provided with a first connection pattern matched with the first bellows, the second end is provided with a second connection pattern matched with the second bellows, and the end of the suction interface close to the first bellows is provided with a third connection pattern that is the same as the first connection pattern and matches with the first bellows;

[0022] When the connecting head and the first corrugated tube are in a connected state, the connecting head and the first corrugated tube can be rotatably matched.

[0023] In some embodiments, the negative pressure detection device includes a negative pressure switch and a second connecting pipe, the negative pressure switch is connected to the alarm, and the second connecting pipe is respectively connected to the air intake chamber and the negative pressure switch.

[0024] In some embodiments, the dental cleaning filtering device further comprises a moving wheel, and the moving wheel is disposed at the bottom of the housing.

[0025] Beneficial effects of the utility model:

[0026] 1. The utility model provides a filtering device with a new structure. The filtering device is provided with an air intake chamber at the front end of the housing. The filtering device can be detachably installed, which is convenient for disassembly and assembly of the filtering device and replacement of the filter element. It is not only simple in structure but also convenient to use.

[0027] 2. The filtering device is provided with a negative pressure detection device for detecting negative pressure and an alarm for alarming. When the filter element reaches the end of its service life, due to serious blockage, it is easy to cause the negative pressure in the negative pressure chamber to increase during the suction operation. At this time, if the negative pressure reaches the preset value of the negative pressure detection device, the negative pressure detection device will control the alarm to alarm, reminding the user to replace the filter element in time. This method can realize automatic detection of the filter element, is easy to use, and has strong applicability;

[0028] 3. A suction pipe with a brand-new structure is provided, which can be quickly disassembled and assembled, and can realize universal rotation when connected, meeting the use requirements and having strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is one of the three-dimensional diagrams of the utility model;

[0030] Figure 2 This is a three-dimensional diagram of the utility model after removing the suction pipe and the suction device;

[0031] Figure 3 for Figure 1 A schematic diagram of a top view structure;

[0032] Figure 4 for Figure 3 A schematic cross-sectional structure diagram of the filtering device along the AA direction shown;

[0033] Figure 5 for Figure 3 The filter device shown is a three-dimensional view with the air intake cover removed;

[0034] Figure 6 It is a three-dimensional diagram of the air intake cover of the utility model;

[0035] Figure 7 A three-dimensional diagram of the filter device of the utility model;

[0036] Figure 8 A three-dimensional diagram of a portion of the housing of the utility model;

[0037] Fig. 9 A three-dimensional diagram of the cooperation of a part of the suction pipeline and the suction device of the utility model;

[0038] Fig.10 It is a stereoscopic diagram of the cooperation between a part of the first bellows and the connector of the utility model;

[0039] In the figure: 1-housing; 2-partition; 3-suction device; 4-filter device; 5-inlet hood; 6-folding plate; 7-moving wheel; 8-negative pressure detection device; 9-alarm; 10-accommodating space; 10a-main chamber; 10b-inlet chamber; 11-limiting groove; 21-first through hole; 30-suction host; 31-suction interface; 32-suction pipe; 33-suction device; 41-frame; 42-filter element; 51-limiting member; 52-second through hole; 61-track groove; 81-negative pressure switch; 82-second connecting pipe; 321-first bellows; 322-second bellows; 323-connecting head; 323a-first connecting pattern; 323b-second connecting pattern. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] See also Figure 1-Figure 10 As shown, the utility model provides the following technical solutions:

[0042] A dental cleaning filter device, comprising at least:

[0043] The housing 1 has a receiving space 10 therein;

[0044] The partition plate 2 is installed in the accommodating space 10 and is capable of dividing the accommodating space 10 into a main chamber 10a and an air intake chamber 10b located in front of the main chamber 10a;

[0045] A suction device 3, used to suck waste liquid generated during dental cleaning and transport it to the air inlet chamber 10b;

[0046] The filter device 4 is installed in the air inlet chamber 10b and cooperates with the suction device 3 to filter the waste liquid entering the air inlet chamber 10b;

[0047] A negative pressure detection device 8 is installed in the accommodating space 10 and its detection end extends into the air inlet chamber 10b, and is used to detect the air pressure in the air inlet chamber 10b;

[0048] The alarm device 9 cooperates with the negative pressure detection device 8 to give an alarm;

[0049] The front end surface of the housing 1 is provided with a limiting groove 11 which is connected to the air inlet chamber 10b;

[0050] The filter device 4 is detachably mounted on the limiting groove 11 and is in limiting cooperation with the limiting groove 11 .

[0051] The negative pressure suction device for convenient replacement of the filter element further comprises an air intake cover 5 , which is detachably mounted on the front end surface of the housing 1 and covers the outer periphery of the filter device 4 .

[0052] When replacing the filter device 4, it is only necessary to disassemble the air inlet cover 5 without disassembling the housing 1, so disassembly and assembly are convenient and quick.

[0053] The air intake cover 5 of the present embodiment can be detachably connected to the housing 1 by means of fasteners such as screws, and one of its corners can be rotatably connected to the housing 1 by means of a hinge, so there is no need to remove the entire air intake cover 5.

[0054] The air inlet cover 5 is provided with a stopper 51 for pressing the filter device 4. Thus, the filter device 4 can be easily fixed.

[0055] The filter device 4 includes a frame 41 and a filter element 42. The frame 41 is limitedly matched with the limiting groove 11, and the filter element 42 is detachably mounted on the frame 41. Thus, it is convenient for disassembly and assembly. The filter element 42 of this embodiment can be filter cotton or the like.

[0056] The negative pressure detection device 8 includes a negative pressure switch 81 and a second connecting pipe 82 . The negative pressure switch 81 is connected to the alarm 9 , and the second connecting pipe 82 is communicated with the air inlet chamber 10 b and the negative pressure switch 81 , respectively.

[0057] The negative pressure switch 81 of this embodiment is a common negative pressure sensor on the market, and the alarm 9 can be a common buzzer alarm on the market. The negative pressure switch 81 and the alarm 9 are connected in series.

[0058] like Figure 1-2 and Figure 9-10 As shown, the suction device 3 of this embodiment includes a suction main unit 30, a suction interface 31, a suction pipe 32 and a suction device 33. The suction main unit 30 is installed in the main chamber 10a and is connected to the air intake chamber 10b through a first connecting pipe. The suction interface 31 is installed in the air intake hood 5 and is connected to the air intake chamber 10b. The suction pipe 32 is respectively connected to the suction interface 31 and the suction device 33.

[0059] The air inlet cover 5 can not only play a shielding role and improve the aesthetics, but also facilitate the installation of the suction interface 31.

[0060] The suction device 33 is used to be worn by the patient, and the suction device 33 can be covered on the periphery of the oral cavity of the user.

[0061] The suction pipe 32 includes a first bellows 321 and a connector 323, wherein a first end of the connector 323 is detachably connected to a first end of the first bellows 321;

[0062] The first end of the connector 323 is provided with a first connecting groove 323a matched with the first corrugated tube 321;

[0063] The inner diameter of the first bellows 321 is greater than the outer diameter of the first end of the connector 323;

[0064] When the connecting head 323 and the first bellows 321 are in a connected state, the connecting head 323 and the first bellows 321 can be rotatably matched.

[0065] There are multiple first connection lines 323a, which are arranged in sequence along the length direction of the connector 323. The first connection line 323a at the end is limitedly matched with the first end of the first corrugated tube 321. Thus, it is easy to achieve the limit position and ensure that it is not easy to fall off without external force.

[0066] The suction pipe 32 further includes a second bellows 322, a second end of the connector 323 is detachably connected to the first end of the second bellows 322, and a second end of the second bellows 322 is detachably connected to the aspirator 33. The inner diameter of the second bellows 322 is greater than the outer diameter of the second end of the connector 323. Thus, the second bellows 322 is provided to facilitate connection with the aspirator 33.

[0067] The second end of the connector 323 is provided with a second connecting groove 323 b matched with the second bellows 322 .

[0068] There are a plurality of second connection lines 323 b , and the plurality of second connection lines 323 b are sequentially spaced apart along the length direction of the connection head 323 .

[0069] The second bellows 322 is a commonly used soft bellows with a shaping function on the market, such as a PP folding directional tube. Therefore, the second bellows 322 plays a role in position adjustment, which is convenient for adjustment according to actual needs, and is shaped after adjustment, which is convenient to use and low in cost.

[0070] The first bellows 321 is a soft bellows without a shaping function, and the connector 323 is a hard plastic connector. Therefore, the first bellows 321 and the connector 323 mainly play a connecting role.

[0071] The utility model provides a suction pipe 32 with a brand-new structure. The connection head 323 of the suction pipe 32 is detachably connected to the first bellows 321, which can be quickly disassembled and assembled. In the connected state, the connection head 323 can rotate relative to the first bellows 321, which meets the use requirements and has strong applicability.

[0072] A first through hole 21 is formed on the partition plate 2 , and two ends of the first through hole 21 are respectively connected to the main chamber 10 a and the air intake chamber 10 b . The first through hole 21 can be used to install the first connecting pipe.

[0073] Folding plates 6 are provided on both sides of the partition 2, and the partition 2 is connected to the housing 1 through the folding plates 6. The inner side of the folding plates 6 is provided with track grooves 61. A flat plate filter can be added to the folding plate 6 according to actual needs, and the track grooves 61 can be used to limit the added flat plate filter, and the flat plate filter can be a product such as filter cotton. Adding a flat plate filter can further improve the filtering effect.

[0074] The air inlet cover 5 is provided with a second through hole 52 matched with the suction interface 31 .

[0075] The second through hole 52 is located above the first through hole 21 , so that the sucked mixed gas can pass through the filter device 4 sufficiently.

[0076] The negative pressure suction device for convenient filter element replacement further comprises a moving wheel 7, which is arranged at the bottom of the housing 1. Thus, the device is easy to move.

[0077] The partition plate 2 is provided with a third through hole, and the filter device 4 may also include a photocatalyst disposed on the back of the filter element 42, and a UV light source matching the photocatalyst may be installed in the third through hole. Thus, under the irradiation of the UV light source, the photocatalyst can degrade harmful volatile organic compounds such as formaldehyde, dichlorobenzene, toluene, xylene, TVOC, etc. into small molecules of water and CO2 that are harmless and non-toxic; at the same time, the toxins released by bacteria and fungi can also be decomposed and harmlessly treated, further improving functionality.

[0078] Specifically, the photocatalyst may be a photocatalyst coating coated on the back of the filter element 42 , and the UV light source may be a UV lamp with the light irradiating in the direction toward the back of the filter element 42 .

[0079] The utility model is provided with a negative pressure detection device 8 for detecting negative pressure and an alarm 9 for alarming. When the filter element 42 reaches the end of its service life, due to serious blockage, it is easy to cause the negative pressure in the negative pressure chamber to increase during the suction operation. At this time, if the negative pressure reaches the preset value of the negative pressure detection device 8, the negative pressure detection device 8 will control the alarm 9 to alarm, reminding the user to replace the filter element 42 in time. This method can realize automatic detection of the filter element 42, is easy to use, and has strong applicability.

[0080] The utility model is provided with an air inlet chamber 10b at the front end of the housing 1, and the filter device 4 can be detachably installed, which is convenient for disassembly and assembly of the filter device 4, and further for replacement of the filter element 42. It is not only simple in structure, but also convenient to use.

[0081] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dental cleaning filter device, characterized in that: At least: A housing (1) having a receiving space (10) therein; A partition (2) is installed in the accommodating space (10) and is capable of dividing the accommodating space (10) into a main chamber (10a) and an air intake chamber (10b); A suction device (3) for sucking waste liquid generated during the dental cleaning process and conveying it to the air inlet chamber (10b); A filtering device (4), installed in the air intake chamber (10b) and cooperating with the suction device (3), and used for filtering the waste liquid entering the air intake chamber (10b); A negative pressure detection device (8), installed in the accommodating space (10) and having a detection end extending into the air intake chamber (10b), for detecting the air pressure in the air intake chamber (10b); An alarm (9), cooperating with the negative pressure detection device (8) and used for alarming; The housing (1) is provided with a limiting groove (11) which is in communication with the air inlet chamber (10b); The filtering device (4) is detachably mounted on the limiting groove (11) and is in limiting cooperation with the limiting groove (11).

2. The dental cleaning filter device according to claim 1, characterized in that: It also comprises an air intake cover (5), which is detachably mounted on the casing (1) and covers the outer periphery of the filter device (4).

3. The dental cleaning filter device according to claim 2, characterized in that: The air inlet cover (5) is provided with a limiting member (51) for pressing the filter device (4).

4. The dental cleaning filter device according to claim 3, characterized in that: The filtering device (4) comprises a frame (41) and a filter element (42); the frame (41) is in position-limiting cooperation with the limiting groove (11); and the filter element (42) is detachably mounted on the frame (41).

5. The dental cleaning filter device according to any one of claims 1 to 4, characterized in that: Folding plates (6) are provided on both sides of the partition (2), the partition (2) is connected to the casing (1) via the folding plates (6), and a track groove (61) is provided on the inner side of the folding plates (6), and the track groove (61) is used to install a plate filter.

6. The dental cleaning filter device according to any one of claims 2 to 4, characterized in that: The suction device (3) comprises a suction main unit (30), a suction interface (31), a suction pipe (32) and a suction device (33); the suction main unit (30) is installed in the main chamber (10a) and is connected to the air intake chamber (10b) via a first connecting pipe; the suction interface (31) is installed in the air intake hood (5) and is connected to the air intake chamber (10b); the suction pipe (32) is respectively connected to the suction interface (31) and the suction device (33).

7. The dental cleaning filter device according to claim 6, characterized in that: The suction pipe (32) includes a first bellows (321), a second bellows (322) and a connector (323); the first end of the connector (323) is detachably connected to the first end of the first bellows (321); the second end of the first bellows (321) is detachably connected to the suction interface (31); the second end of the connector (323) is detachably connected to the first end of the second bellows (322); and the second end of the second bellows (322) is detachably connected to the suction device (33).

8. The dental cleaning filter device according to claim 7, characterized in that: The first end of the connector (323) is provided with a first connection pattern (323a) matching with the first corrugated tube (321), and the second end is provided with a second connection pattern (323b) matching with the second corrugated tube (322); One end of the suction interface (31) close to the first bellows (321) is provided with a third connection pattern which is the same as the first connection pattern (323a) and matches the first bellows (321); When the connecting head (323) and the first bellows (321) are in a connected state, the connecting head (323) and the first bellows (321) can be rotatably matched.

9. The dental cleaning filter device according to any one of claims 1 to 4, characterized in that: The negative pressure detection device (8) comprises a negative pressure switch (81) and a second connecting pipe (82), wherein the negative pressure switch (81) is connected to the alarm (9), and the second connecting pipe (82) is respectively connected to the air intake chamber (10b) and the negative pressure switch (81).

10. The dental cleaning filter device according to any one of claims 1 to 4, characterized in that: It also comprises a moving wheel (7), wherein the moving wheel (7) is arranged at the bottom of the housing (1).

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