Tooth cleaning device

Abstract

The utility model discloses a tooth cleaning device, which relates to the technical field of tooth cleaning, and comprises a storage unit, a box body, a box cover rotationally arranged on the box body, an elastic clamping block arranged on the box cover, and a clamping groove formed in the box body and matched with the elastic clamping block; and the cleaning unit is placed in the box body. The beneficial effects of the utility model are that through the arrangement of the special storage unit, the whole device is convenient to carry and store; pressure can be applied from the inner side and the outer side of the false tooth at the same time through the fixing assembly composed of the inner side extrusion piece and the outer side extrusion piece, four-point stable fixing is achieved, and false tooth displacement in the cleaning process is effectively prevented; through the slidable cleaning assembly with driving force, the device can walk along the surface shape of the false teeth and complete brushing, and cleaning is thorough and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooth cleaning technical field, especially a tooth cleaning device. BACKGROUND

[0002] The denture needs to be cleaned in time after use to remove food residues and dental plaque, and maintain oral hygiene, the traditional denture cleaning mode adopts manual brushing, and there are problems of incomplete cleaning, low efficiency, difficult control of brushing angle and the like, and some electric denture cleaning equipment, such as ultrasonic cleaning, but is inconvenient to carry. SUMMARY

[0003] In view of the above prior art problems, the utility model is provided.

[0004] The utility model aims at providing a tooth cleaning device, which aims at solving the problems of unstable fixing, inconvenient cleaning and difficult carrying of the denture cleaning equipment.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a tooth cleaning device, comprising, a storage unit, comprising a box body, a box cover rotatably arranged on the box body, an elastic clamping block arranged on the box cover, and a clamping groove arranged on the box body and matched with the elastic clamping block; a cleaning unit placed in the box body, the cleaning unit comprising a mounting plate, a fixing assembly arranged on the upper surface of the mounting plate, a supporting plate arranged on the mounting plate, a connecting frame arranged on the mounting plate, a sliding groove arranged on the connecting frame, and a cleaning assembly slidingly arranged in the sliding groove.

[0006] As a preferred scheme of the utility model tooth cleaning device, wherein: the bottom corners of the inner wall of the box body are fixedly connected with raised pads, and the bottom of the box body is provided with a plurality of through holes, and the two sides of the box cover are provided with a plurality of through grooves.

[0007] As a preferred scheme of the utility model tooth cleaning device, wherein: the fixing assembly comprises an inner side surface extrusion piece and an outer side surface extrusion piece.

[0008] As a preferred scheme of the utility model tooth cleaning device, wherein: the inner side surface extrusion piece comprises a sliding rail arranged on the mounting plate, a sliding block slidingly arranged on the sliding rail, a base arranged on the sliding block, a push block arranged on the base, a tension spring arranged between the sliding rail and the push block, a positioning seat a arranged on the mounting plate, a sliding rod a slidingly arranged on the positioning seat a, a rotating plate arranged at one end of the sliding rod a, an extrusion column a arranged at the other end of the sliding rod a, and a cover plate a arranged on the mounting plate.

[0009] As a preferred scheme of the tooth cleaning device, the outer side extrusion piece comprises a guide frame arranged on the mounting plate, a sliding plate slidingly arranged on the guide frame, a spring arranged between the guide frame and the sliding plate, a positioning seat b arranged on the mounting plate, a sliding rod b slidingly arranged on the positioning seat b, an extrusion column b arranged at one end of the sliding rod b, a pulling frame arranged between the two extrusion columns b, and a cover plate b arranged on the mounting plate.

[0010] The other end of the sliding rod b is fixedly connected with the sliding plate.

[0011] As a preferred scheme of the tooth cleaning device, the connecting frame comprises a stand arranged on the mounting plate, a limiting plate arranged on the inner side of the stand, a top plate arranged between the two stands, a groove opened at two sides of the top plate, and a bolt inserted into the groove and the stand.

[0012] The sliding groove is arranged on the top plate.

[0013] As a preferred scheme of the tooth cleaning device, the cleaning assembly comprises a traveling piece slidingly arranged on the top plate, a transmission shell arranged at the bottom of the traveling piece, a rotating rod rotatingly arranged on the transmission shell, a driven gear arranged at the top of the rotating rod, a brush wheel arranged at the bottom end of the rotating rod, a motor arranged at the top end of the traveling piece, a driving gear arranged at the output end of the motor, and a transmission gear arranged between the driving gear and the driven gear.

[0014] The output end of the motor penetrates the traveling piece.

[0015] As a preferred scheme of the tooth cleaning device, the traveling piece comprises a fixed block, a limiting disc arranged at the top of the fixed block, a cover plate arranged at the bottom of the fixed block, a rotating arm rotatingly arranged at two sides of the fixed block, a spring piece arranged between adjacent two rotating arms, and a traveling wheel rotatingly arranged at one end of the rotating arm.

[0016] The tooth cleaning device has the advantages that: the special storage unit is arranged, so that the whole device is convenient to carry and store; the fixing assembly formed by the inner and outer extrusion pieces can simultaneously apply pressure from the inner and outer sides of the false tooth, realizes four-point stable fixing, and effectively prevents the false tooth from being displaced during cleaning; the cleaning assembly which is slidable and has driving force can walk along the surface shape of the false tooth and complete brushing, so that the cleaning is thorough and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 The figure is a structural schematic diagram of the present application.

[0019] Figure 2 The figure is a structural schematic diagram of the storage unit in the present application.

[0020] Figure 3 The figure is a structural schematic diagram of the cleaning unit in the present application.

[0021] Figure 4 The figure is an exploded view of the fixing assembly in the present application.

[0022] Figure 5 The figure is a structural schematic diagram of the inner side extrusion and the outer side extrusion in the present application.

[0023] Figure 6 The figure is an exploded view of the slide rail in the present application.

[0024] Figure 7 The figure is an exploded view of the connecting frame in the present application.

[0025] Figure 8 The figure is an exploded view of the cleaning assembly in the present application.

[0026] Figure 9 The figure is a structural sectional view of the traveling piece in the present application.

[0027] In the figure: 1, the receiving unit; 11, the box body; 111, the heightening pad; 112, the through hole; 121, the through slot; 12, the box cover; 13, the elastic clamping block; 14, the clamping groove; 2, the cleaning unit; 21, the mounting plate; 22, the fixed assembly; 221, the inner side extrusion piece; 221-a, the sliding rail; 221-b, the sliding block; 221-c, the base; 221-d, the push block; 221-e, the tension spring; 221-f, the positioning seat a; 221-g, the sliding rod a; 221-h, the rotating plate; 221-I, the extrusion column a; 221-j, the cover plate a; 222, the outer side extrusion piece; 222-a, the guide frame; 222-b, the sliding plate; 222-c, the spring; 222-d, the positioning seat b; 222-e, the sliding rod b; 222-f, the extrusion column b; 222-g, the pulling frame; 222-h, the cover plate b; 23, the supporting plate; 24, the connecting frame; 241, the column; 242, the limiting plate; 243, the top plate; 244, the recess; 245, the bolt; 25, the sliding groove; 26, the cleaning assembly; 261, the traveling piece; 261-a, the fixed block; 261-b, the limiting disc; 261-c, the bottom plate; 261-d, the rotating arm; 261-e, the elastic sheet; 261-f, the traveling wheel; 262, the transmission shell; 263, the rotating rod; 264, the driven gear; 265, the brush wheel; 266, the motor; 267, the driving gear; 268, the transmission gear. DETAILED DESCRIPTION

[0028] In order to make the above objectives, features and advantages of the present application more apparent, a detailed description of the specific embodiments of the present application will be given below with reference to the accompanying drawings.

[0029] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from the description, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0030] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or selectively excluded from other embodiments.

[0031] REFERENCE Figures 1 to 9For the first embodiment of the utility model, this embodiment provides a tooth cleaning device, including receiving unit 1, including box body 11, box cover 12 is rotationally arranged on box body 11, elastic clamping block 13 is arranged on box cover 12, and clamping groove 14 is opened on box body 11 and is adapted with elastic clamping block 13;Cleaning unit 2 is placed in box body 11, and cleaning unit 2 includes mounting plate 21, fixed assembly 22 is arranged on the upper surface of mounting plate 21, supporting plate 23 is arranged on mounting plate 21, connecting frame 24 is arranged on mounting plate 21, sliding slot 25 is opened on connecting frame 24, and cleaning assembly 26 is slidably arranged in sliding slot 25.

[0032] It should be noted that receiving unit 1 includes box body 11, the top of box body 11 is rotationally connected with box cover 12, elastic clamping block 13 is fixedly connected on box cover 12, clamping groove 14 is opened on box body 11 and is adapted with elastic clamping block 13, by turning over box cover 12, elastic clamping block 13 is clamped into clamping groove 14, receiving unit 1 is closed, and cleaning unit 2 is conveniently carried through receiving unit 1;

[0033] Cleaning unit 2 can be placed in box body 11, cleaning unit 2 includes mounting plate 21, fixed assembly 22 is fixedly connected on the surface of mounting plate 21, fixed assembly 22 can fix denture, supporting plate 23 is fixedly connected on mounting plate 21, connecting frame 24 is fixedly connected on mounting plate 21, connecting frame 24 is detachable structure, sliding slot 25 is opened on the dismounting end of connecting frame 24, and cleaning assembly 26 is slidably connected in sliding slot 25, by placing denture on supporting plate 23, then fixing denture through fixed assembly 22, the cleaning end of cleaning assembly 26 is installed to the cleaning area of denture through the dismounting end of connecting frame 24, and the cleaning assembly 26 is started to slide along sliding slot 25 to clean denture.

[0034] When using: first, open box cover 12, and take out cleaning unit 2 from box body 11. Place the denture on the supporting plate 23, and operate the fixed assembly 22 to firmly clamp the denture. Ensure that the connecting frame 24 and the cleaning assembly 26 thereon are correctly installed in place, so that the cleaning part of the cleaning assembly 26 is aligned with the area to be cleaned of the denture. Start the drive part of the cleaning assembly 26, push the cleaning assembly 26 to slide along the sliding slot 25, and the brush wheel 265 thereon rotates at high speed at the same time, automatically brush and wash the surface of the denture. After cleaning, turn off the power, take the denture off the fixed assembly 22, and place the cleaning unit 2 back into the box body 11 after drying or airing. Close the box cover 12.

[0035] In summary: the portability of the device is achieved by the storage unit 1; the stability of the denture during cleaning is ensured by the unique four-point fixing assembly 22, preventing displacement; the full and efficient cleaning of the denture is achieved by the slidable cleaning assembly 26, saving time and effort, and the cleaning effect is significantly better than manual cleaning.

[0036] As shown in Figure 2 As a preferred embodiment: the inner wall of the box body 11 is fixedly connected with a raised pad 111 at each corner, and the bottom of the box body 11 is provided with a plurality of through holes 112, and the two sides of the box cover 12 are provided with a plurality of through grooves 121.

[0037] It should be noted that the height of the mounting plate 21 is raised by the raised pad 111, and the bottom of the mounting plate 21 and the inner wall of the box body 11 form a gap, and the bottom of the box body 11 is provided with through holes 112, and the box cover 12 is provided with through grooves 121, thereby increasing the drainage and ventilation of the storage unit 1.

[0038] As shown in Figures 4 to 6 As a preferred embodiment: the fixing assembly 22 includes an inner side extrusion piece 221 and an outer side extrusion piece 222.

[0039] It should be noted that the fixing assembly 22 is composed of the inner side extrusion piece 221 and the outer side extrusion piece 222, the inner side extrusion piece 221 extrudes the inner side of the denture, and then the outer side extrusion piece 222 extrudes the denture, thereby clamping and fixing the denture.

[0040] The inner side extrusion piece 221 includes a slide rail 221-a provided on the mounting plate 21, a sliding block 221-b provided on the slide rail 221-a, a base 221-c provided on the sliding block 221-b, a push block 221-d provided on the base 221-c, a tension spring 221-e provided between the slide rail 221-a and the push block 221-d, a positioning seat a 221-f provided on the mounting plate 21, a slide rod a 221-g provided on the positioning seat a 221-f, a rotating plate 221-h provided on one end of the slide rod a 221-g, an extrusion column a 221-I provided on the other end of the slide rod a 221-g, and a cover plate a 221-j provided on the mounting plate 21.

[0041] It needs explanation that the upper surface of the mounting plate 21 is fixedly connected with a slide rail 221-a, the slide rail 221-a is slidingly connected with a sliding block 221-b, the sliding block 221-b is fixedly connected with a base 221-c, the base 221-c is inserted with a push block 221-d, a tension spring 221-e is arranged between the slide rail 221-a and the push block 221-d, the tension spring 221-e can always provide a pulling force for the push block 221-d, two groups of positioning seats a 221-f are fixedly connected on the mounting plate 21, the positioning seats a 221-f are symmetrically installed, the positioning seats a 221-f are slidingly connected with slide rods a 221-g, the sliding direction of the slide rods a 221-g is perpendicular to the slide rail 221-a, a rotating plate 221-h is rotatably connected between one end of the slide rod a 221-g and the push block 221-d, an extrusion column a 221-I is fixedly connected to the other end of the slide rod a 221-g, a cover plate a 221-j is fixedly connected on the mounting plate 21, the slide rod a 221-g is pulled to be retracted by pushing the push block 221-d, after the push block 221-d is released, the push block 221-d is pulled to slide by the tension spring 221-e, the push block 221-d pushes the slide rod a 221-g outward through the rotating plate 221-h, so that the extrusion column a 221-I contacts the inner side of the false tooth.

[0042] The outer side extrusion member 222 comprises a guide frame 222-a arranged on the mounting plate 21, a sliding plate 222-b slidingly arranged on the guide frame 222-a, a spring 222-c arranged between the guide frame 222-a and the sliding plate 222-b, a positioning seat b 222-d arranged on the mounting plate 21, a slide rod b 222-e slidingly arranged on the positioning seat b 222-d, an extrusion column b 222-f arranged at one end of the slide rod b 222-e, a pulling frame 222-g arranged between the two extrusion columns b 222-f, and a cover plate b 222-h arranged on the mounting plate 21.

[0043] The other end of the slide rod b 222-e is fixedly connected with the sliding plate 222-b.

[0044] It needs to be explained that the mounting plate 21 is fixedly connected with a guide frame 222-a, the guide frame 222-a is slidably connected with a sliding plate 222-b, a spring 222-c is arranged between the sliding plate 222-b and the guide frame 222-a, the spring 222-c always extrudes the sliding plate 222-b in the direction of the false tooth, a positioning seat b 222-d is fixedly connected on the mounting plate 21, a sliding rod b 222-e is slidably connected on the positioning seat b 222-d, the sliding direction of the sliding rod b 222-e is consistent with the sliding direction of the sliding plate 222-b, one end of the sliding rod b 222-e is fixed with the sliding plate 222-b, the other end of the sliding rod b 222-e is fixedly connected with an extrusion column b 222-f, a pulling frame 222-g is fixedly connected between the two extrusion columns b 222-f, a cover plate b 222-h is fixedly connected on the mounting plate 21, the two extrusion columns b 222-f are pulled outward through the pulling frame 222-g, at the same time, the sliding plate 222-b extrudes the spring 222-c, the extrusion column b 222-f is pushed to move in the direction of the false tooth under the extrusion force of the spring 222-c, the two extrusion columns a 221-I form two-point contact on the inner side of the false tooth, and the two extrusion columns b 222-f form two-point extrusion on the outer side of the false tooth, thereby forming four-point fixation.

[0045] In use: when fixing the false tooth, the push block 221-d of the inner side extrusion piece 221 is first pushed outward to make the extrusion column a 221-I on the inner side retract, and then the pulling frame 222-g of the outer side extrusion piece 222 is pulled outward to make the extrusion column b 222-f on the outer side retract, so that the false tooth is stably placed on the bearing plate 23 and is in a predetermined cleaning position, the push block 221-d is first loosened, the two inner side extrusion columns a 221-I are pressed against the false tooth from the inner side under the action of the tension spring 221-e, then the pulling frame 222-g is loosened, and the two outer side extrusion columns b 222-f are pressed against the false tooth from the outer side under the action of the spring 222-c, and the false tooth is firmly fixed through the clamping of the four inner and outer points.

[0046] In summary: through four-point fixation, the false tooth is quickly, stably and reliably fixed, the operation is simple, and the fixing effect is good.

[0047] As shown in Figure 7 , as a preferred embodiment: the connecting frame 24 includes a column 241 arranged on the mounting plate 21, a limiting plate 242 arranged on the inner side of the column 241, a top plate 243 arranged between the two columns 241, a groove 244 opened on both sides of the top plate 243, and a bolt 245 inserted into the groove 244 and the column 241;

[0048] A sliding groove 25 is opened on the top plate 243.

[0049] It needs to be explained that two columns 241 are fixedly connected on the upper surface of the mounting plate 21, the columns 241 are symmetrically installed, the limit plate 242 is fixedly connected on the inner side of the column 241, the top plate 243 is placed between the two columns 241, the recesses 244 which are matched with the columns 241 are formed on both sides of the top plate 243, and the bolts 245 are inserted between the recesses 244 and the columns 241.

[0050] In use: when installing, the recesses 244 on both sides of the top plate 243 are aligned and clamped into the top ends of the two columns 241, it is ensured that the limit plate 242 supports the top plate 243, then the bolts 245 are inserted into the corresponding pin holes on the top plate 243 and the columns 241 at the same time, the fixing is completed, when disassembling, the top plate 243 together with the cleaning assembly 26 thereon can be taken down only by pulling out the bolts 245.

[0051] In summary: the detachable connecting frame 24 is designed to make the assembly, storage and maintenance of the device more convenient, and also facilitate the taking and placing and observing of the dentures below.

[0052] As shown in Figure 8 As a preferred embodiment, the cleaning assembly 26 includes the traveling piece 261 which is slidingly arranged on the top plate 243, the transmission shell 262 which is arranged at the bottom of the traveling piece 261, the rotating rod 263 which is rotatably arranged on the transmission shell 262, the driven gear 264 which is arranged at the top of the rotating rod 263, the brush wheel 265 which is arranged at the bottom end of the rotating rod 263, the motor 266 which is arranged at the top end of the traveling piece 261, the drive gear 267 which is arranged at the output end of the motor 266, and the transmission gear 268 which is arranged between the drive gear 267 and the driven gear 264.

[0053] The output end of the motor 266 penetrates the traveling piece 261.

[0054] It needs to be explained that the traveling piece 261 is slidingly connected on the top plate 243, the transmission shell 262 is fixedly connected at the bottom of the traveling piece 261, the rotating rod 263 is rotatably connected in the inner cavity of the transmission shell 262, the rotating rod 263 is symmetrically arranged, the brush wheel 265 is inserted at the bottom of the rotating rod 263, the driven gear 264 is fixedly connected at the top of the rotating rod 263, the motor 266 is fixedly connected at the top of the traveling piece 261, the output end of the motor 266 penetrates the traveling piece 261 and extends into the transmission shell 262, the drive gear 267 is fixedly connected at the bottom of the output end of the motor 266, the transmission gear 268 is arranged between the drive gear 267 and the driven gear 264, the transmission gear 268 rotates in the transmission shell 262, the drive gear 267 drives the driven gear 264 to rotate through the transmission gear 268, and the dentures are located between the two brush wheels 265 during the cleaning process.

[0055] In use: Ensure that the denture is fixed and the brush wheel 265 is aligned with the cleaning area, start the motor 266, drive the brush wheel 265 to rotate at high speed, manually push the traveling piece 261 along the chute 25 to move smoothly, and make the rotating brush wheel 265 sweep the entire surface of the denture to complete the cleaning.

[0056] In summary: The gear transmission ensures synchronous and efficient work of the double brush heads, which can automatically clean the denture comprehensively and thoroughly, greatly improving the cleaning efficiency and effect.

[0057] As shown in Figures 8 to 9 As a preferred embodiment, the traveling piece 261 includes a fixed block 261-a, a limiting disc 261-b arranged on the top of the fixed block 261-a, a bottom plate 261-c arranged on the bottom of the fixed block 261-a, a rotating arm 261-d rotatably arranged on both sides of the fixed block 261-a, a spring piece 261-e arranged between adjacent two rotating arms 261-d, and a traveling wheel 261-f rotatably arranged at one end of the rotating arm 261-d.

[0058] It should be noted that the fixed block 261-a is located in the chute 25, the fixed block 261-a is smaller than the width of the chute 25, the top and bottom of the fixed block 261-a are fixedly connected with the limiting disc 261-b and the bottom plate 261-c respectively, the motor 266 is fixedly installed on the limiting disc 261-b, the transmission shell 262 is fixedly installed on the lower surface of the bottom plate 261-c, the limiting disc 261-b and the bottom plate 261-c have a limiting effect, the rotating arms 261-d are rotatably connected to the front side and the rear side of the fixed block 261-a, the fixed block 261-a is provided with two groups of rotating arms 261-d on the same side, the rotating arms 261-d are rotatably connected with the traveling wheel 261-f at the top end, and the spring piece 261-e is arranged between the two rotating arms 261-d on the same side. By arranging the traveling wheel 261-f which can contract and expand, the sliding along the curved chute 25 can be achieved.

[0059] In use: When the cleaning assembly 26 needs to move along the curved chute 25, the traveling wheel 261-f on the traveling piece 261 can automatically adjust the angle according to the shape of the chute 25, always maintain good contact with the groove wall by the elasticity of the spring piece 261-e, and ensure smooth movement.

[0060] In summary: The traveling piece 261 with the self-adaptive elastic traveling wheel 261-f ensures that the cleaning assembly 26 can smoothly and stably move even in the curved chute 25, expands the cleaning coverage, and improves the adaptability and reliability of the device.

[0061] It is important that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A dental cleaning device, characterized by: The utility model relates to a tooth cleaning device, including, The utility model discloses a tooth cleaning device, including, 2. The tooth cleaning device according to claim 1, wherein: The inner wall bottom of the box body (11) is fixedly connected with a plurality of raised pads (111) at each corner, and a plurality of through holes (112) are formed in the bottom of the box body (11).

3. The tooth cleaning device according to claim 1, wherein: The fixing assembly (22) comprises an inner side extrusion piece (221) and an outer side extrusion piece (222).

4. The tooth cleaning device according to claim 3, wherein: The inner side extrusion piece (221) comprises a slide rail (221-a) arranged on the mounting plate (21), a slide block (221-b) slidably arranged on the slide rail (221-a), a base (221-c) arranged on the slide block (221-b), a push block (221-d) arranged on the base (221-c), a tension spring (221-e) arranged between the slide rail (221-a) and the push block (221-d), a positioning seat a (221-f) arranged on the mounting plate (21), a slide rod a (221-g) slidably arranged on the positioning seat a (221-f), a rotating plate (221-h) arranged at one end of the slide rod a (221-g), an extrusion column a (221-I) arranged at the other end of the slide rod a (221-g), and a cover plate a (221-j) arranged on the mounting plate (21).

5. The tooth cleaning device according to claim 3, wherein: ​ The outer side extrusion piece (222) comprises a guide frame (222-a) arranged on the mounting plate (21), a sliding plate (222-b) slidingly arranged on the guide frame (222-a), a spring (222-c) arranged between the guide frame (222-a) and the sliding plate (222-b), a positioning seat b (222-d) arranged on the mounting plate (21), a sliding rod b (222-e) slidingly arranged on the positioning seat b (222-d), an extrusion column b (222-f) arranged at one end of the sliding rod b (222-e), a pulling frame (222-g) arranged between the two extrusion columns b (222-f), and a cover plate b (222-h) arranged on the mounting plate (21). The other end of the sliding rod b (222-e) and the sliding plate (222-b) are fixedly connected. 6.The tooth cleaning device of claim 1, wherein: The connecting frame (24) comprises a stand (241) arranged on the mounting plate (21), a limiting plate (242) arranged on the inner side of the stand (241), a top plate (243) arranged between the two stands (241), a groove (244) opened on both sides of the top plate (243), and a bolt (245) inserted into the groove (244) and the stand (241). The sliding groove (25) is opened on the top plate (243). 7.The tooth cleaning device of claim 6, wherein: The cleaning assembly (26) comprises a traveling piece (261) slidingly arranged on the top plate (243), a transmission shell (262) arranged at the bottom of the traveling piece (261), a rotating rod (263) rotatably arranged on the transmission shell (262), a driven gear (264) arranged at the top of the rotating rod (263), a brush wheel (265) arranged at the bottom end of the rotating rod (263), a motor (266) arranged at the top end of the traveling piece (261), a drive gear (267) arranged at the output end of the motor (266), and a transmission gear (268) arranged between the drive gear (267) and the driven gear (264). The output end of the motor (266) penetrates the traveling piece (261). 8.The tooth cleaning device of claim 7, wherein: The traveling piece (261) comprises a fixed block (261-a), a limiting disc (261-b) arranged at the top of the fixed block (261-a), a bottom plate (261-c) arranged at the bottom of the fixed block (261-a), a rotating arm (261-d) rotatably arranged on both sides of the fixed block (261-a), a spring piece (261-e) arranged between adjacent two rotating arms (261-d), and a traveling wheel (261-f) rotatably arranged at one end of the rotating arm (261-d).

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