CN215606441U

CN215606441U - Oral care device

Info

Publication number: CN215606441U
Application number: CN202120770731.XU
Authority: CN
Inventors: 温怀鹏; 刘文洁; 袁静; 薛维军; 施皓
Original assignee: Guangdong Meixi Technology Co ltd; Midea Group Co Ltd
Current assignee: Guangdong Meixi Technology Co ltd; Midea Group Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-01-25
Anticipated expiration: 2031-04-15

Abstract

The utility model relates to the field of articles for daily use, and provides oral care equipment, which comprises a water tank and a capsule bin, wherein a containing cavity is formed inside the water tank; the capsule bin is provided with an inlet and an outlet, the inlet cover is combined with the bin cover, the outlet is communicated with the containing cavity, a puncturing mechanism is arranged inside the capsule bin and is suitable for puncturing the capsule and guiding air outside the capsule into the capsule, so that the pressure inside the capsule is balanced with the pressure outside the capsule. According to the oral care equipment provided by the embodiment of the utility model, the puncturing mechanism is arranged in the capsule bin, and the puncturing mechanism can puncture the capsule and simultaneously introduce air outside the capsule into the capsule, so that the pressure inside the capsule is balanced with the pressure outside the capsule, liquid can rapidly and completely flow out of the capsule, accumulated liquid in the capsule is avoided, and the liquid is fully utilized.

Description

Oral care device

Technical Field

The utility model relates to the field of articles for daily use, in particular to oral care equipment.

Background

Most oral care devices use a water pump to generate high pressure and pulse water flow to wash the oral cavity, so as to remove the tiny food residues and harmful bacteria adhered on the teeth or gums. Taking a tooth rinsing device as an example, the existing tooth rinsing device can only realize a single rinsing function, is too single in use, and cannot realize more nursing functions on teeth or gum in the using process.

Although some products are equipped with a device for adding mouthwash into a tooth flusher, there are problems of poor addition or waste of mouthwash. For example, the mouthwash is added into the water tank after being punctured by the puncturing structure, but most of the mouthwash is deposited in the body and cannot be effectively utilized due to unreasonable arrangement of the puncturing structure, or the punctured mouthwash cannot be rapidly added into the water tank.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides oral care equipment for solving the problem that the existing tooth flushing device cannot effectively utilize mouthwash by a puncture mechanism.

An oral care device according to an embodiment of the first aspect of the utility model, comprises:

a water tank having an accommodating chamber formed therein;

the capsule bin is provided with an inlet and an outlet, the inlet cover is combined with a bin cover, the outlet is communicated with the containing cavity, and a puncturing mechanism is arranged inside the capsule bin and is suitable for puncturing the capsule and guiding air outside the capsule into the capsule so as to balance the pressure inside the capsule with the pressure outside the capsule.

According to the oral care equipment provided by the embodiment of the utility model, the puncturing mechanism is arranged in the capsule bin, and the puncturing mechanism can puncture the capsule and simultaneously introduce air outside the capsule into the capsule, so that the pressure inside the capsule is balanced with the pressure outside the capsule, liquid can rapidly and completely flow out of the capsule, accumulated liquid in the capsule is avoided, and the liquid is fully utilized.

According to one embodiment of the utility model, the lancing mechanism comprises:

the puncture needle is connected with the capsule bin, and the upper end of the puncture needle is thicker than the lower end of the puncture needle; the upper end of the puncture needle is provided with at least one sharp part, and a flow guide channel is arranged in the puncture needle.

the first puncture tube is connected with the capsule bin, and the upper end of the first puncture tube is provided with a tip part;

the second puncture tube is connected with the capsule bin, the upper end of the second puncture tube is provided with a tip part, and the height of the second puncture tube is greater than that of the first puncture tube.

According to an embodiment of the present invention, further comprising a body, the body comprising:

a housing, in which a flow passage is formed, the flow passage is respectively communicated with the accommodating cavity and the outlet;

the cover covers the top of the casing, a first mounting opening is arranged on the cover, and the capsule bin is arranged in the first mounting opening.

According to an embodiment of the present invention, a sealed bin is further formed inside the casing, and a pumping device is disposed inside the sealed bin, and the pumping device includes:

the liquid inlet of the pump body is communicated with the accommodating cavity;

a housing having a cavity formed therein;

a transmission assembly disposed within the cavity;

the motor is connected with the shell and is suitable for driving the pump body to work through the transmission assembly;

the rotating shaft of the motor is parallel to the input shaft of the pump body, or an included angle is formed between the rotating shaft of the motor and the input shaft of the pump body.

According to an embodiment of the utility model, the pumping device further comprises:

the nozzle, the liquid outlet of the pump body is provided with the pipe box, the feed liquor end of nozzle with the connection can be dismantled to the pipe box, the play liquid end of nozzle pass set up in second installing port on the cover extends to the cover is outside.

According to one embodiment of the utility model, a locking mechanism is provided on the jacket, the locking mechanism comprising:

the base is connected with the pipe sleeve;

a spring, a first end of the spring abutting against the base and adapted to switch between a first compressed state and a second compressed state;

the buckle surrounds the periphery of the liquid inlet end of the nozzle and is in sliding fit with the base, the first end of the buckle is abutted against the second end of the spring, and the second end of the buckle penetrates through a third mounting hole formed in the cover and extends to the outside of the cover; an annular groove is formed in the outer peripheral surface of the liquid inlet end of the nozzle, and the buckle is clamped into the annular groove in the first compression state; in the second compressed state, the catch is remote from the annular groove.

According to an embodiment of the present invention, further comprising:

a battery disposed within the cavity;

the electric control assembly is arranged in the sealed bin and provided with a control key, the control key is embedded in the through hole of the cover, and the electric control assembly is respectively connected with the battery and the motor electrically.

According to one embodiment of the utility model, the transmission assembly comprises:

the first bevel gear is connected with a rotating shaft of the motor;

the second conical tooth is meshed with the first conical tooth, the axis of the second conical tooth is perpendicular to the axis of the first conical tooth, the second conical tooth is connected with the shell in a rotating mode through a first rotating shaft, the pump body is a piston pump, and the second conical tooth is away from one side of the first conical tooth and is hinged to a piston rod of the piston pump.

According to an embodiment of the utility model, an eccentric shaft sleeve is arranged on one side of the second conical tooth, which is away from the first conical tooth, the axis of the eccentric shaft sleeve is parallel to the axis of the second conical tooth, and one end of the piston rod, which is away from the piston pump, is sleeved on the eccentric shaft sleeve.

the first straight gear is connected with a rotating shaft of the motor;

the second straight-tooth gear, with first straight-tooth gear meshing, the axis of second straight-tooth gear with the axis of first straight-tooth gear is parallel, the second straight-tooth gear pass through the second axis of rotation with the casing rotates and is connected, the pump body is the piston pump, the piston pump the piston rod with the first side of second straight-tooth gear is articulated.

According to one embodiment of the utility model, a pin shaft is arranged on a first side of the second spur gear, an axis of the pin shaft is parallel to an axis of the second spur gear, and one end of the piston rod, which is far away from the piston pump, is rotatably sleeved on the pin shaft.

According to one embodiment of the utility model, the shell comprises a first shell and a second shell, the first shell and the second shell are buckled to enclose the cavity, and a sealing gasket is arranged at the joint of the first shell and the second shell; the first shell is provided with a shaft hole through which the input shaft of the pump body can pass, and a sealing sleeve is arranged in the shaft hole and sleeved on the input shaft of the pump body.

One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of an exploded configuration of an oral care device provided by an embodiment of the present invention;

fig. 2 is a schematic front view of an oral care device provided by an embodiment of the utility model;

FIG. 3 is a schematic side view of an oral care device provided by an embodiment of the utility model;

fig. 4 is a schematic top view of an oral care device provided by an embodiment of the utility model;

FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic view of an oral care device provided in accordance with an embodiment of the utility model with the water tank, housing, and cover removed;

FIG. 7 is a schematic perspective view of a capsule cartridge provided in an embodiment of the present invention;

FIG. 8 is a schematic diagram of a top view of a capsule cartridge provided by an embodiment of the present invention;

FIG. 9 is a schematic sectional front view of a capsule chamber with a piercing needle as a piercing mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic sectional view of a capsule cartridge in a state where the puncturing mechanism is a puncturing tube according to an embodiment of the present invention;

FIG. 11 is a schematic front view of a pumping device according to an embodiment of the present invention;

FIG. 12 is a schematic front view of a pumping device provided in accordance with an embodiment of the present invention, with the housing removed;

fig. 13 is a schematic perspective view of a pumping device provided in an embodiment of the present invention;

FIG. 14 is a schematic bottom sectional view of a pumping device according to an embodiment of the present invention;

FIG. 15 is a schematic perspective view of a pumping device provided by an embodiment of the present invention with the housing removed;

FIG. 16 is a second schematic front view of the pumping device provided by the embodiment of the present invention with the housing removed;

fig. 17 is a schematic diagram of an assembly relationship of the pump body, the nozzle, the transmission assembly, the motor and the battery according to the embodiment of the utility model.

Reference numerals:

100. a pump body; 101. a piston rod; 103. pipe sleeve; 104. a base; 105. a spring; 106. buckling; 110. a housing; 111. a first housing; 112. a second housing; 113. sealing sleeves; 120. a transmission assembly; 121. a first bevel gear; 122. a second taper tooth; 123. an eccentric shaft sleeve; 124. a first straight gear; 125. a second spur gear; 130. a motor; 140. a battery; 150. an electronic control assembly; 160. a housing; 161. a machine cover; 162. a flow channel; 163. a USB interface; 170. a water tank; 180. a nozzle; 190. a capsule cabin; 191. a bin cover; 192. puncturing the needle; 193. a tip portion; 194. a first puncture tube; 195. a second puncture tube.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Fig. 1 illustrates an exploded structural view of an oral care device provided by an embodiment of the present invention, fig. 2 illustrates a front structural view of an oral care device provided by an embodiment of the present invention, fig. 3 illustrates a side view schematic diagram of an oral care device provided by an embodiment of the utility model, fig. 4 illustrates a top view schematic diagram of an oral care device provided by an embodiment of the utility model, fig. 5 illustrates a schematic cross-sectional view taken along line a-a in fig. 4. as shown in fig. 1 to 5, the oral care device comprises a water tank 170 and a capsule chamber 190, a containing chamber is formed inside the water tank 170, the capsule chamber 190 is provided with an inlet and an outlet, the inlet is covered by a chamber cover 191, the outlet is communicated with the containing chamber, a puncturing mechanism is arranged inside the capsule chamber 190, the puncturing mechanism is adapted to puncture the capsule, and introducing air from outside the capsule into the interior of the capsule to equalize the pressure inside the capsule with the pressure outside.

It should be noted here that, the existing puncturing mechanism is only to puncture the capsule simply, and after the capsule is punctured, part of the liquid flows out through the puncturing hole, and since the puncturing hole is small, the outside air is difficult to enter the capsule, and along with the outflow of the liquid, the pressure in the capsule is reduced, the liquid cannot flow out completely, so that the liquid accumulation exists in the capsule, and the liquid cannot flow out completely from the capsule. According to the oral care device provided by the embodiment of the utility model, the puncturing mechanism is arranged in the capsule bin 190, and the puncturing mechanism can puncture the capsule and simultaneously introduce air outside the capsule into the capsule, so that the pressure inside the capsule is balanced with the pressure outside the capsule, liquid can rapidly and completely flow out of the capsule, the existence of accumulated liquid in the capsule is avoided, and the liquid is fully utilized.

According to an embodiment of the present invention, fig. 7 illustrates a schematic perspective structure diagram of a capsule magazine 190 provided by an embodiment of the present invention, fig. 8 illustrates a schematic top structure diagram of the capsule magazine 190 provided by the embodiment of the present invention, fig. 9 illustrates a schematic front cross-sectional structure diagram of the capsule magazine 190 when a puncturing mechanism provided by the embodiment of the present invention is a puncturing needle 192, as shown in fig. 7 to 9, the puncturing mechanism includes the puncturing needle 192, the puncturing needle 192 is connected with the capsule magazine 190, the upper end of the puncturing needle 192 is provided with at least one sharp portion 193, a flow guide channel is provided inside the puncturing needle 192, and the lower end of the puncturing needle 192 is thinner than the upper end. Because the lower end of the puncture needle 192 is thinner than the upper end, the puncture needle 192 can be guaranteed to puncture the capsule and simultaneously can maximally open the puncture hole, a larger gap is formed between the puncture hole and the puncture needle 192, and the liquid can be guaranteed to rapidly flow out. Liquid is when flowing out the capsule, and inside the air got into the capsule through the inside water conservancy diversion passageway of puncture needle 192, made the inside pressure of capsule and outside pressure balance for liquid is rapid and the capsule that flows out completely, avoids having the hydrops to exist in the capsule, makes liquid by make full use of.

According to the embodiment of the present invention, the upper end of the puncture needle 192 is provided with four tips 193, the tips 193 are integrally formed with the puncture needle 192, the four tips 193 are symmetrically arranged two by two, a flow guide part is formed between two adjacent tips 193, the flow guide part is communicated with the flow guide channel, and a puncture hole generated when the four tips 193 puncture the capsule is much larger than a puncture hole generated by one tip 193.

According to the embodiment of the utility model, the hollow part is arranged at the bottom of the capsule bin 190, the lower end of the puncture needle 192 is connected with the hollow part, and the hollow part is arranged, so that the liquid flowing out of the capsule can completely flow into the accommodating cavity of the water tank 170, the liquid can not be left in the capsule bin 190, the nozzle 180 can be inserted into the capsule bin 190 for storage under the condition of no use, and the nozzle 180 is prevented from being polluted or damaged.

Fig. 10 illustrates a schematic sectional structure of a capsule cartridge in a main view when the puncturing mechanism provided by the embodiment of the present invention is a puncturing tube, as shown in fig. 10, the puncturing mechanism includes a first puncturing tube 194 and a second puncturing tube 195, the first puncturing tube 194 is connected with the capsule cartridge 190, and the upper end of the first puncturing tube 194 is provided with a tip 193. The second puncture tube 195 is connected with the capsule bin 190, the upper end of the second puncture tube 195 is provided with a tip portion 193, and the height of the second puncture tube 195 is greater than that of the first puncture tube 194. After the tip 193 punctures the capsule, the first puncture tube 194 and the second puncture tube 195 enter the capsule, and the second puncture tube 195 is communicated with the air at the middle upper part of the capsule (only half of liquid in the capsule) due to the higher height of the second puncture tube 195. The liquid in the capsule flows out through the first puncture tube 194, and the external air enters the capsule through the second puncture tube 195, so that the pressure inside the capsule is balanced with the pressure outside. Of course, the liquid outflow path in the capsule is not only the first puncture tube 194 but also flows out through the gap between the puncture and the first puncture tube 194 or the second puncture tube 195.

According to an embodiment of the present invention, the tip 193 is used to puncture the capsule, and the form of the tip 193 may be various, where the tip 193 is formed by providing the upper ends of the first and

second puncture tubes

194 and 195 with a slope, but the tip 193 may be formed by providing the upper ends of the first and

second puncture tubes

194 and 195 with a conical or cold-tapered shape.

According to the embodiment of the present invention, the capsule cover 191 is made of a flexible material, and after the capsule is put into the capsule chamber 190, the capsule can be punctured by pressing the capsule cover 191, so that the liquid flows out of the capsule.

According to the embodiment of the utility model, the inlet of the capsule bin 190 is provided with the sealing ring, and the sealing ring can improve the sealing performance of the capsule bin 190 and ensure that liquid cannot flow out through the inlet of the capsule bin 190 in the process of extruding the capsule.

According to the embodiment of the utility model, the bottom of the capsule bin 190 is provided with a hollow part, the first puncture tube 194 and the second puncture tube 195 are arranged in parallel and vertically, and the lower ends of the first puncture tube 194 and the second puncture tube 195 are respectively connected with the hollow part. The inlet of the capsule bin 190 is not only the placing inlet of the capsule, but also the water adding port for adding water into the containing cavity, and meanwhile, the flow channel 162 between the capsule bin 190 and the inner part of the machine shell 160 can also be used for containing the nozzle 180, so that the design saves space, reduces the volume of oral care equipment, and is convenient to carry.

According to an embodiment of the present invention, the oral care device further comprises a body including a housing 160 and a cover 161, the housing 160 is disposed in the accommodating chamber, a flow passage 162 is formed inside the housing 160, and the flow passage 162 is respectively communicated with the accommodating chamber and the outlet. The cover 161 covers the upper port of the casing 160, a first mounting port is arranged on the cover 161, and the capsule bin 190 is arranged in the first mounting port. In order to prevent water leakage from a gap between the cabinet 160 and the water tank 170, a sealing ring is provided on an outer surface of the cabinet 160.

According to the embodiment of the utility model, in order to facilitate the installation and the disassembly of the cover 161, the cover 161 is detachably connected with the casing 160, the cover 161 is provided with a latch, the edge of the upper port of the casing 160 is provided with a bayonet, and the latch is clipped in the corresponding bayonet.

According to the embodiment of the present invention, the outer surface of the capsule chamber 190 is provided with a sealing ring for sealing the gap between the capsule chamber 190 and the cover 161 and preventing the liquid from flowing out through the gap between the capsule chamber 190 and the cover 161.

According to the embodiment of the utility model, a notch is arranged on one side of the cover 161 close to the capsule bin 190, the position of the notch corresponds to the position of the capsule bin 190, and the notch can be arranged to facilitate the pressing of the bin cover 191. The edges of the notch are curved to increase the comfort when pressing the lid 191.

According to the embodiment of the present invention, a sealed bin is further formed inside the casing 160, a pumping device is disposed in the sealed bin, a sealed cavity is formed inside the sealed bin, and the pumping device is disposed in the sealed bin, so that the pumping device is prevented from being affected by liquid in the accommodating cavity.

Fig. 11 illustrates a front view structural diagram of a pumping device provided in an embodiment of the present invention, and fig. 12 illustrates one of the front view structural diagrams of the pumping device provided in an embodiment of the present invention after a housing 110 is removed, as shown in fig. 11 and 12, the pumping device includes a pump body 100, a housing 110, a transmission assembly 120, and a motor 130, a cavity is formed inside the housing 110, and the transmission assembly 120 is disposed in the cavity. The motor 130 is connected with the housing 110, and the motor 130 is suitable for driving the pump body 100 to work through the transmission assembly 120; the rotation shaft of the motor 130 and the input shaft of the pump body 100 are arranged in parallel, or an included angle is formed between the rotation shaft of the motor 130 and the input shaft of the pump body 100. Through the pivot with motor 130 and the input shaft parallel arrangement of the pump body 100, perhaps be formed with the contained angle between the pivot of motor 130 and the input shaft of the pump body 100, reduced pumping device's total length for oral care equipment's length reduces greatly, conveniently carries.

According to an embodiment of the present invention, the rotation axis of the motor 130 forms an angle with the input axis of the pump body 100, where the angle is greater than 0 ° and less than 180 °.

According to an embodiment of the present invention, the rotation shaft of the motor 130 is disposed parallel to the input shaft of the pump body 100, or the rotation shaft of the motor 130 is perpendicular to the input shaft of the pump body 100. It should be noted that, when the rotating shaft of the motor 130 is parallel to the input shaft of the pump body 100, the input shaft of the pump body 100 and the rotating shaft of the motor 130 are located on the same side, so as to conveniently connect the input shaft of the pump body 100 and the rotating shaft of the motor 130 through the transmission assembly 120. When the rotating shaft of the motor 130 is perpendicular to the input shaft of the pump body 100, the transmission assembly 120 is located between the motor 130 and the pump body 100, so as to conveniently connect the input shaft of the pump body 100 with the rotating shaft of the motor 130 through the transmission assembly 120.

Fig. 6 illustrates a schematic structural view of the oral care device provided by the embodiment of the present invention after the water tank 170, the housing 160 and the cover 161 are removed, as shown in fig. 6, the pumping device further includes a nozzle 180, a liquid outlet of the pump body 100 is provided with a sleeve 103, a liquid inlet end of the nozzle 180 is detachably connected to the sleeve 103, and a liquid outlet end of the nozzle 180 extends to the outside of the cover 161 through a second mounting opening provided on the cover 161. The pipe sleeve 103 is used for connecting the liquid inlet end of the nozzle 180 with the liquid outlet of the pump body 100, the pipe sleeve 103 is detachably connected with the liquid inlet end of the nozzle 180, the nozzle 180 is convenient to mount and dismount, the liquid inlet end of the nozzle 180 is connected with the pipe sleeve 103 in an inserting or threaded mode, and the pipe sleeve 103 is connected with the liquid outlet of the pump body 100 through screws.

According to an embodiment of the present invention, the pipe housing 103 is provided with a locking mechanism for fixing the nozzle 180 to prevent the nozzle 180 from being moved from the hanging position. The locking mechanism comprises a base 104, a spring 105 and a buckle 106, wherein the base 104 is connected with the pipe sleeve 103, and the base 104 and the pipe sleeve 103 are integrally formed in order to reduce production cost. The base 104 is provided with a sliding slot, the latch 106 is latched in the sliding slot, and the latch 106 can slide along the sliding slot.

A first end of the spring 105 abuts the base 104 and is adapted to switch between a first compressed state and a second compressed state. The middle part of buckle 106 is fretwork, and the fretwork is regional to be located between two spouts, and buckle 106 is around the periphery in the feed liquor end of nozzle 180, and the first end of buckle 106 and the second end butt of spring 105, the second end of buckle 106 pass set up the third installing port on cover 161 and extend to the cover 161 outside to make things convenient for the user to press. An annular groove is formed in the outer peripheral surface of the liquid inlet end of the nozzle 180, and in a first compression state, the buckle 106 is clamped into the annular groove; in the second compressed state, the catch 106 is away from the annular groove.

It should be noted here that the first spring 105 is usually in the first compression state, the compression amount of the spring 105 is smaller than that of the second compression state at this time, when the nozzle 180 needs to be installed, the second end of the buckle 106 is pressed by hand, the spring 105 is further compressed to be in the second compression state, the liquid inlet end of the nozzle 180 is inserted into the pipe sleeve 103, the buckle 106 is released, the spring 105 is automatically switched from the second compression state to the first compression state, the buckle 106 is clamped into the annular groove, and the nozzle 180 is fixed. When nozzle 180 needs to be removed, the second end of catch 106 is manually pressed, spring 105 is further compressed and in a second compressed state, at which point catch 106 is moved away from the annular groove, and nozzle 180 can be removed.

According to an embodiment of the present invention, the oral care device further comprises a battery 140 and an electronic control assembly 150, wherein the battery 140 is disposed in the cavity for improving the waterproof performance and the safety of the electric appliance. The electric control assembly 150 is arranged in the sealed bin, the electric control assembly 150 is provided with a control key, the control key is embedded in the through hole of the cover 161, sealing treatment is carried out between the control key and the through hole, and the electric control assembly 150 is respectively electrically connected with the battery 140 and the motor 130.

Fig. 15 illustrates a perspective view of a pumping device provided by an embodiment of the present invention, with a housing 110 removed, as shown in fig. 12 and 15, wherein a transmission assembly 120 includes a first bevel gear 121 and a second bevel gear 122.

The first bevel gear 121 is connected to a rotating shaft of the motor 130, and the first bevel gear 121 engages with the second bevel gear 122. The axis of the second bevel 122 is perpendicular to the axis of the first bevel 121. The second conical teeth 122 are rotatably connected to the housing 110 via a first rotating shaft, the pump body 100 is a piston pump, and a side of the second conical teeth 122 away from the first conical teeth 121 is hinged to a piston rod 101 of the piston pump. Here, the rotating shaft of the motor 130 is arranged in parallel with the input shaft of the pump body 100, the length of the pumping device is reduced by the length of at least one motor 130, the length of the oral care device is greatly reduced, and the oral care device is convenient to carry. When the motor 130 rotates, the motor 130 drives the second taper tooth 122 to rotate through the first taper tooth 121, and since the hinge point of the piston rod 101 and the second taper tooth 122 is not on the axis of the second taper tooth 122, the second taper tooth 122 drives the piston of the piston pump to reciprocate through the piston rod 101, so that the piston pump sucks in liquid and outputs liquid. The piston pump has an advantage in that the pressure of the liquid discharged from the nozzle 180 can be increased as compared with other types of the pump body 100, and the greater the pressure of the water, the better the cleaning effect, thereby effectively removing fine food residues and harmful bacteria adhered to the teeth or gums.

According to the embodiment of the present invention, an eccentric sleeve 123 is disposed on a side of the second conical tooth 122 away from the first conical tooth 121, an axis of the eccentric sleeve 123 is parallel to an axis of the second conical tooth 122, and an end of the piston rod 101 away from the piston pump is sleeved on the eccentric sleeve 123. In order to facilitate the connection between the piston rod 101 and the eccentric sleeve 123, a collar is disposed at an end of the piston rod 101 away from the piston pump, and the collar is rotatably sleeved at an end of the eccentric sleeve 123 away from the second taper teeth 122. When the second cone teeth 122 rotate around the first rotation axis, the eccentric bushing 123 drives the piston rod 101 to reciprocate.

It should be noted here that, in the case where the cylinder size of the piston pump is fixed, the moving distance of the reciprocating motion of the piston rod 101 determines the amount of liquid output by the piston pump at a time, and the moving distance of the reciprocating motion of the piston rod 101 is determined by the distance between the axis of the eccentric sleeve 123 and the axis of the second taper tooth 122. The larger the distance between the axis of the eccentric sleeve 123 and the axis of the second taper tooth 122 is, the larger the liquid amount output by the piston pump each time is, so in the specific implementation process, the distance between the axis of the eccentric sleeve 123 and the axis of the second taper tooth 122 can be determined according to the liquid amount output by the piston pump each time.

According to the embodiment of the present invention, the second conical teeth 122 and the eccentric shaft sleeve 123 are integrally formed, the second conical teeth 122 and the eccentric shaft sleeve 123 are rotatably sleeved on the outer circumference of the first rotating shaft, and both ends of the first rotating shaft are detachably connected to the housing 110, respectively. In order to facilitate the installation of the first rotating shaft, the inner wall of the housing 110 is provided with installation holes, and both ends of the first rotating shaft are inserted into the corresponding installation holes during the installation.

According to the embodiment of the present invention, the first rotating shaft is integrally formed with the eccentric sleeve 123 and the second bevel gear 122, and at this time, the first rotating shaft and the second bevel gear 122 do not rotate relatively, and only the first rotating shaft and the housing 110 rotate relatively, so that the number of components can be reduced by using the integral forming, the production cost can be reduced, and the maintenance can be facilitated.

According to the embodiment of the present invention, the number of the first bevel gear 121 is smaller than that of the second bevel gear 122, and it should be noted that, in the case that the rotation speed of the motor 130 is fixed, the ratio of the first bevel gear 121 to the second bevel gear 122 is changed, so as to change the frequency of the water jet injected by the nozzle 180. Of course, in the case that the gear ratio of the first bevel gear 121 to the second bevel gear 122 is fixed, the frequency of the water jet sprayed from the nozzle 180 can also be adjusted by changing the rotation speed of the motor 130.

Fig. 16 illustrates a second schematic front view of the pumping device provided by the embodiment of the present invention, with the housing 110 removed, according to the embodiment of the present invention, and fig. 17 illustrates an assembly relationship of the pump body 100, the nozzle 180, the transmission assembly 120, the motor 130, and the battery 140 provided by the embodiment of the present invention, and as shown in fig. 16 and 17, the transmission assembly 120 includes a first spur gear 124 and a second spur gear 125.

The first spur gear 124 is connected to a rotating shaft of the motor 130, the second spur gear 125 is engaged with the first spur gear 124, the rotating shaft of the second spur gear 125 is parallel to the rotating shaft of the first spur gear 124, the second spur gear 125 is rotatably connected to the housing 110 through a second rotating shaft, the pump body 100 is a piston pump, and a first side of the second spur gear 125 is hinged to the piston rod 101 of the piston pump. It should be noted that the hinge point of the piston rod 101 and the second spur gear 125 is not on the axis of the second spur gear 125, and when the motor 130 drives the first spur gear 124 to rotate, the first spur gear 124 drives the second spur gear 125 to rotate, and since the hinge point of the piston rod 101 and the second spur gear 125 is not on the axis of the second spur gear 125, the piston rod 101 drives the piston of the piston pump to reciprocate, so that the piston pump sucks in and outputs liquid.

According to the embodiment of the present invention, a first side of the second spur gear 125 is provided with a pin, an axis of the pin is parallel to an axis of the second spur gear 125, and one end of the piston rod 101 away from the piston pump is rotatably sleeved on the pin.

According to the embodiment of the present invention, the number of teeth of the first spur gear 124 is smaller than that of the second spur gear 125. Similarly, when the rotation speed of the motor 130 is fixed, the frequency of the water jet from the nozzle 180 can be changed by changing the gear ratio between the first spur gear 124 and the second spur gear 125. Of course, in the case that the gear ratio of the first spur gear 124 to the second spur gear 125 is fixed, the frequency of the water jet sprayed from the nozzle 180 can also be adjusted by changing the rotation speed of the motor 130.

Fig. 13 illustrates a perspective view of a pumping device provided by an embodiment of the present invention, and fig. 14 illustrates a bottom cross-sectional view of the pumping device provided by an embodiment of the present invention, as shown in fig. 11, 13 and 14, a housing 110 includes a first housing 111 and a second housing 112, which are fastened together to form a cavity, and a sealing gasket is disposed at a joint between the two housings. The transmission assembly 120 is sealed in the cavity through the first shell 111 and the second shell 112, so that the transmission assembly 120 can be prevented from being damaged by water, and the service life of the pumping device is prolonged.

According to the embodiment of the present invention, the first housing 111 is provided with a shaft hole through which the input shaft (the piston rod 101) of the pump body 100 can pass, a sealing sleeve 113 is disposed in the shaft hole, and the sealing sleeve 113 is sleeved on the input shaft of the pump body 100. The seal sleeve 113 is used to seal an annular gap between the input shaft and the shaft hole of the pump body 100, preventing water from entering the interior of the housing 110 through the annular gap. The sealing sleeve 113 is annular, the sealing sleeve 113 is made of rubber, and in the case that the pump body 100 is a piston pump, the sealing sleeve 113 made of flexible material can move along with the input shaft without water leakage.

According to the embodiment of the present invention, an included angle between the rotating shaft of the motor 130 and the input shaft of the pump body 100 is less than or equal to 90 °, where it should be noted that, when the rotating shaft of the motor 130 and the input shaft of the pump body 100 are arranged in parallel, the battery 140 is arranged in the cavity, the battery 140 is located on a side of the transmission assembly 120 away from the motor 130 and the pump body 100, the length direction of the battery 140 is perpendicular to the rotating shaft of the motor 130, and at this time, the first bevel gear 121 and the second bevel gear 122 are used for transmission. When the included angle between the rotating shaft of the motor 130 and the input shaft of the pump body 100 is equal to 90 degrees, the battery 140 is disposed in the cavity, the battery 140 is located on one side of the motor 130 away from the pump body 100, the length direction of the battery 140 is parallel to the rotating shaft of the motor 130, and at this time, the first spur gear 124 and the second spur gear 125 are used for transmission.

According to the embodiment of the present invention, an included angle between the rotating shaft of the motor 130 and the input shaft of the pump body 100 is less than 90 °, the pump body 100 is an impeller pump, and the rotating shaft of the impeller pump is connected with the rotating shaft of the motor 130 through a flexible shaft.

According to an embodiment of the present invention, as shown in fig. 1 to 9, and 11 to 15, the oral care device includes a water tank 170, a capsule chamber 190, a body, a battery 140, and an electric control assembly 150, and the water tank 170 is internally formed with a receiving chamber for providing a space for installation of the body in addition to water.

The machine body comprises a machine shell 160 and a machine cover 161, the machine shell 160 is arranged in the containing cavity, a flow passage 162 is formed inside the machine shell 160, and the flow passage 162 is respectively communicated with the containing cavity and the outlet. The cover 161 covers the upper port of the casing 160, a first mounting port is arranged on the cover 161, and the capsule bin 190 is arranged in the first mounting port. In order to prevent water leakage from a gap between the cabinet 160 and the water tank 170, a sealing ring is provided on an outer surface of the cabinet 160. The cover 161 is provided with a latch, and the edge of the upper port of the housing 160 is provided with a bayonet, and the latch is clipped into the corresponding bayonet. The outer surface of capsule chamber 190 is provided with the sealing washer, and the sealing washer is used for sealing the clearance between capsule chamber 190 and cover 161, prevents that liquid from flowing out through the clearance between capsule chamber 190 and cover 161. One side of the cover 161 close to the capsule bin 190 is provided with a notch, the position of the notch corresponds to the position of the capsule bin 190, and the notch is arranged to facilitate pressing the bin cover 191. The edges of the notch are curved to increase the comfort when pressing the lid 191. The sealed bin is formed inside the casing 160, the pumping device is arranged in the sealed bin, the sealed bin is a sealed cavity, the pumping device is arranged in the sealed bin, and the influence of liquid in the containing cavity on the pumping device can be avoided.

The capsule chamber 190 is provided with an inlet and an outlet, the inlet is covered with a chamber cover 191, the outlet is communicated with the containing cavity, the capsule chamber 190 is internally provided with a puncturing mechanism, and the puncturing mechanism is suitable for puncturing the capsule and guiding the air outside the capsule into the capsule so as to balance the pressure inside the capsule with the pressure outside the capsule. The puncturing mechanism comprises a puncturing needle 192, a hollow-out part is arranged at the bottom of the capsule bin 190, the lower end of the puncturing needle 192 is connected with the hollow-out part, and the hollow-out part is arranged to enable all liquid flowing out of the capsule to flow into the accommodating cavity of the water tank 170, so that liquid is prevented from remaining in the capsule bin 190, the nozzle 180 can be inserted into the capsule bin 190 to be stored under the condition of nonuse, and the nozzle 180 is prevented from being polluted or damaged. The inside of puncture needle 192 is provided with the water conservancy diversion passageway, and the upper end of puncture needle 192 is provided with four cusp portions 193, and cusp portion 193 and puncture needle 192 integrated into one piece, four cusp portions 193 two bisymmetry settings, form the water conservancy diversion portion between two adjacent cusp portions 193, and the water conservancy diversion portion communicates with the water conservancy diversion passageway, and the lower extreme of puncture needle 192 is thinner than the upper end. Because the lower end of the puncture needle 192 is thinner than the upper end, the puncture needle 192 can be guaranteed to puncture the capsule while maximally opening the puncture hole, so that a larger gap is formed between the puncture hole and the puncture needle 192, and the liquid can be guaranteed to flow out quickly and completely. Liquid is when flowing out the capsule, and inside the air got into the capsule through the inside water conservancy diversion passageway of puncture needle 192, made the inside pressure of capsule and outside pressure balance for liquid is rapid and the capsule that flows out completely, avoids having the hydrops to exist in the capsule, makes liquid by make full use of.

The pumping device includes a pump body 100, a housing 110, a transmission assembly 120, and a motor 130, wherein a cavity is formed inside the housing 110, and the housing 110 includes a second housing 112 and a first housing 111.

Wherein, a cavity is enclosed by the buckling between the second shell 112 and the first shell 111. A sealing gasket is arranged at the joint of the first shell 111 and the second shell 112.

The first housing 111 is provided with a shaft hole through which an input shaft of the pump body 100 can pass. A sealing sleeve 113 is arranged in the shaft hole, and the sealing sleeve 113 is sleeved on the input shaft of the pump body 100. The seal sleeve 113 is used to seal an annular gap between the input shaft and the shaft hole of the pump body 100, preventing water from entering the interior of the housing 110 through the annular gap. The sealing sleeve 113 is annular, the sealing sleeve 113 is made of rubber, and in the case that the pump body 100 is a piston pump, the sealing sleeve 113 made of flexible material can move along with the input shaft (piston rod 101) without water leakage.

The motor 130 is connected to the housing 110, the motor 130 is adapted to drive the pump body 100 to operate through the transmission assembly 120, a rotation shaft of the motor 130 is parallel to an input shaft of the pump body 100, and the input shaft of the pump body 100 and the rotation shaft of the motor 130 are located on the same side. The battery 140 is disposed in the cavity, the battery 140 is disposed on a side of the transmission assembly 120 away from the motor 130 and the pump body 100, and a length direction of the battery 140 is perpendicular to a rotation axis of the motor 130.

The transmission assembly 120 includes a first bevel gear 121 and a second bevel gear 122, the first bevel gear 121 is connected to the rotating shaft of the motor 130, the second bevel gear 122 is engaged with the first bevel gear 121, the axis of the second bevel gear 122 is perpendicular to the axis of the first bevel gear 121, the second bevel gear 122 is rotatably connected to the housing 110 through a first rotating shaft, and the pump body 100 is a piston pump.

The second conical tooth 122 is provided with an eccentric shaft sleeve 123, the eccentric shaft sleeve 123 is located on one side of the second conical tooth 122 departing from the first conical tooth 121, the axis of the eccentric shaft sleeve 123 is parallel to the axis of the second conical tooth 122, and one end of the piston rod 101 far away from the piston pump is sleeved on the eccentric shaft sleeve 123.

In order to facilitate the connection between the eccentric shaft sleeve 123 and the piston rod 101, a collar is disposed at an end of the piston rod 101 facing away from the piston pump, and the collar is rotatably sleeved on an end of the eccentric shaft sleeve 123 facing away from the second taper tooth 122. The eccentric shaft sleeve 123 and the second cone teeth 122 are integrally formed, the eccentric shaft sleeve 123 and the second cone teeth 122 are rotatably sleeved on the periphery of the first rotating shaft, and two ends of the first rotating shaft are detachably connected with the shell 110 respectively.

For convenience of installation, the inner wall of the housing 110 is provided with installation holes, and both ends of the first rotating shaft are inserted into the corresponding installation holes during installation. The number of teeth of the first bevel gear 121 is smaller than that of the second bevel gear 122, and it should be noted that, when the rotation speed of the motor 130 is fixed, the ratio of the number of teeth of the first bevel gear 121 to that of the second bevel gear 122 is changed, so as to change the frequency of the water jet of the nozzle 180. Of course, in the case that the number of the first bevel gears 121 is fixed to the number of the second bevel gears 122, the frequency of the water jet sprayed from the nozzle 180 can be adjusted by changing the rotation speed of the motor 130.

Here, the rotating shaft of the motor 130 is arranged in parallel with the input shaft of the pump body 100, and the length of the pumping device is reduced by the rotating shaft of at least one motor 130, so that the length of the oral care device is greatly reduced, and the oral care device is convenient to carry. When the motor 130 rotates, the motor 130 drives the second bevel gear 122 to rotate through the first bevel gear 121, and since the hinge point of the piston rod 101 and the second bevel gear 122 is not on the axis of the second bevel gear 122, the second bevel gear 122 drives the piston of the piston pump to reciprocate through the piston rod 101, so that the piston pump sucks water and outputs water.

The pumping device further comprises a nozzle 180, a pipe sleeve 103 is arranged at the liquid outlet of the pump body 100, the liquid inlet end of the nozzle 180 is detachably connected with the pipe sleeve 103, and the liquid outlet end of the nozzle 180 penetrates through a second mounting port arranged on the cover 161 and extends to the outside of the cover 161. The liquid inlet end of the nozzle 180 and the pipe sleeve 103 can be connected through plug connection or threads, and the pipe sleeve 103 and the liquid outlet of the pump body 100 are connected through screws.

The socket 103 is provided with a locking mechanism comprising a base 104, a spring 105 and a catch 106, the base 104 being connected to the socket 103, the base 104 being formed integrally with the socket 103 for ease of manufacture. The base 104 is provided with a sliding slot, the latch 106 is latched in the sliding slot, and the latch 106 can slide along the sliding slot.

A first end of the spring 105 abuts the base 104, the spring 105 being adapted to switch between a first compressed state and a second compressed state. The middle of the buckle 106 is hollowed out, the hollowed-out area is located between the two sliding grooves, the buckle 106 surrounds the periphery of the liquid inlet end of the nozzle 180, the first end of the buckle 106 is abutted against the second end of the spring 105, and the second end of the buckle 106 penetrates through a third mounting hole formed in the cover 161 and extends to the outside of the cover 161; an annular groove is formed in the outer peripheral surface of the liquid inlet end of the nozzle 180, and in a first compression state, the buckle 106 is clamped into the annular groove; in the second compressed state, the catch 106 is away from the annular groove.

The battery 140 is disposed in the cavity to improve the waterproof performance and the safety of the electric appliance. The electric control assembly 150 is arranged in the sealed bin, the electric control assembly 150 is provided with a control key, the control key is embedded in a through hole of the cover 161, sealing treatment is carried out between the control key and the through hole, and the electric control assembly 150 is respectively electrically connected with the battery 140 and the motor 130. The cover 161 is further embedded with a USB interface 163, the USB interface 163 is electrically connected with the electronic control assembly 150, the USB interface 163 is provided with a rubber plug for sealing, and the USB interface 163 is used for charging the battery 140.

According to an embodiment of the present invention, as shown in fig. 1 to 9, and fig. 16 to 17, the oral care device includes a water tank 170, a capsule chamber 190, a body, a battery 140, and an electric control assembly 150, and the water tank 170 is internally formed with a receiving chamber for providing a space for installation of the body in addition to water.

The machine body comprises a machine shell 160 and a machine cover 161, the machine shell 160 is arranged in the containing cavity, a flow passage 162 is formed inside the machine shell 160, and the flow passage 162 is respectively communicated with the containing cavity and the outlet. The cover 161 covers the upper port of the casing 160, a first mounting port is arranged on the cover 161, and the capsule bin 190 is arranged in the first mounting port. In order to prevent water leakage from a gap between the cabinet 160 and the water tank 170, a sealing ring is provided on an outer surface of the cabinet 160. The cover 161 is provided with a latch, and the edge of the upper port of the housing 160 is provided with a bayonet, and the latch is clipped into the corresponding bayonet. The outer surface of capsule chamber 190 is provided with the sealing washer, and the sealing washer is used for sealing the clearance between capsule chamber 190 and cover 161, prevents that liquid from flowing out through the clearance between capsule chamber 190 and cover 161. One side of the cover 161 close to the capsule bin 190 is provided with a notch, the position of the notch corresponds to the position of the capsule bin 190, and the notch is arranged to facilitate pressing the bin cover 191. The edges of the notch are curved to increase the comfort when pressing the lid 191. A sealed bin is formed inside the casing 160, a pumping device is arranged in the sealed bin, and a sealed cavity is formed inside the sealed bin.

The capsule chamber 190 is provided with an inlet and an outlet, the inlet is covered with a chamber cover 191, the outlet is communicated with the containing cavity, the capsule chamber 190 is internally provided with a puncturing mechanism, and the puncturing mechanism is suitable for puncturing the capsule and guiding the air outside the capsule into the capsule so as to balance the pressure inside the capsule with the pressure outside the capsule. The puncturing mechanism comprises a puncturing needle 192, a hollow-out part is arranged at the bottom of the capsule bin 190, the lower end of the puncturing needle 192 is connected with the hollow-out part, and the hollow-out part is arranged to enable all liquid flowing out of the capsule to flow into the accommodating cavity of the water tank 170, so that liquid is prevented from remaining in the capsule bin 190, the nozzle 180 can be inserted into the capsule bin 190 to be stored under the condition of nonuse, and the nozzle 180 is prevented from being polluted or damaged. The inside of puncture needle 192 is provided with the water conservancy diversion passageway, and the upper end of puncture needle 192 is provided with four cusp portions 193, and cusp portion 193 and puncture needle 192 integrated into one piece, four cusp portions 193 two bisymmetry settings, form the water conservancy diversion portion between two adjacent cusp portions 193, and the water conservancy diversion portion communicates with the water conservancy diversion passageway, and the lower extreme of puncture needle 192 is thinner than the upper end.

The pumping device comprises a pump body 100, a housing 110, a transmission assembly 120 and a motor 130, wherein a cavity is formed inside the housing 110, the housing 110 comprises a first housing 111 and a second housing 112, the first housing 111 and the second housing 112 are buckled to form the cavity, and a sealing gasket is arranged at the joint of the first housing 111 and the second housing 112. The first housing 111 is provided with a shaft hole through which an input shaft (piston rod 101) of the pump body 100 can pass, a sealing sleeve 113 is disposed in the shaft hole, and the sealing sleeve 113 is sleeved on the input shaft of the pump body 100. The sealing sleeve 113 is used to seal the annular gap between the input shaft and the shaft hole of the pump body 100, and prevent liquid from entering the interior of the housing 110 through the annular gap. The sealing sleeve 113 is annular, and the material of the sealing sleeve 113 is rubber.

The motor 130 is disposed in the cavity, the motor 130 is adapted to drive the pump body 100 to operate through the transmission assembly 120, and a rotation shaft of the motor 130 is perpendicular to an input shaft of the pump body 100. The battery 140 is disposed in the cavity, the battery 140 is located on a side of the motor 130 away from the pump body 100, and a length direction of the battery 140 is parallel to a rotation axis of the motor 130.

The transmission assembly 120 includes a first spur gear 124 and a second spur gear 125, the first spur gear 124 is connected to a rotating shaft of the motor 130, the second spur gear 125 is engaged with the first spur gear 124, an axis of the second spur gear 125 is parallel to an axis of the first spur gear 124, the second spur gear 125 is rotatably connected to the housing 110 through a second rotating shaft, the pump body 100 is a piston pump, a first side of the second spur gear 125 is provided with a pin shaft, the axis of the pin shaft is parallel to an axis of the second spur gear 125, and one end of the piston rod 101, which is far away from the piston pump, is rotatably sleeved on the pin shaft. The hinge point of the piston rod 101 and the second spur gear 125 is not on the axis of the second spur gear 125, when the motor 130 drives the first spur gear 124 to rotate, the first spur gear 124 drives the second spur gear 125 to rotate, and since the hinge point of the piston rod 101 and the second spur gear 125 is not on the axis of the second spur gear 125, the piston rod 101 can drive the piston of the piston pump to reciprocate, thereby realizing the suction and output of liquid by the piston pump. The number of teeth of the first spur gear 124 is smaller than that of the second spur gear 125, and the frequency of the water jet from the nozzle 180 can be changed by changing the gear ratio between the first spur gear 124 and the second spur gear 125 when the rotation speed of the motor 130 is fixed. Of course, in the case that the gear ratio of the first spur gear 124 to the second spur gear 125 is fixed, the frequency of the water jet sprayed from the nozzle 180 can also be adjusted by changing the rotation speed of the motor 130.

The pumping device further comprises a nozzle 180, a pipe sleeve 103 is arranged at the liquid outlet of the pump body 100, the liquid inlet end of the nozzle 180 is detachably connected with the pipe sleeve 103, and the liquid outlet end of the nozzle 180 penetrates through a second mounting port arranged on the cover 161 and extends to the outside of the cover 161. The liquid inlet end of the nozzle 180 is connected with the pipe sleeve 103 through a plug connection or a thread connection, and the pipe sleeve 103 is connected with the liquid outlet of the pump body 100 through a screw.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the utility model. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. An oral care device, comprising:

a water tank having an accommodating chamber formed therein;

2. The oral care device of claim 1, wherein the piercing mechanism comprises:

3. The oral care device of claim 1, wherein the piercing mechanism comprises:

4. The oral care device of any one of claims 1 to 3, further comprising a body comprising:

5. The oral care apparatus according to claim 4 wherein the housing interior further forms a sealed cartridge, the sealed cartridge having a pumping device disposed therein, the pumping device comprising:

a housing having a cavity formed therein;

a transmission assembly disposed within the cavity;

6. The oral care apparatus according to claim 5 wherein the pumping device further comprises:

7. The oral care device of claim 6, wherein the tube sleeve is provided with a locking mechanism comprising:

the base is connected with the pipe sleeve;

8. The oral care device of claim 5, further comprising:

a battery disposed within the cavity;

9. The oral care device of claim 5, wherein the transmission assembly comprises:

the first bevel gear is connected with a rotating shaft of the motor;

10. The oral care device of claim 9, wherein the side of the second tapered tooth facing away from the first tapered tooth is provided with an eccentric bushing, an axis of the eccentric bushing is parallel to an axis of the second tapered tooth, and an end of the piston rod away from the piston pump is sleeved on the eccentric bushing.

11. The oral care device of claim 5, wherein the transmission assembly comprises:

the first straight gear is connected with a rotating shaft of the motor;

12. The oral care device of claim 11, wherein a pin is disposed on a first side of the second spur gear, an axis of the pin is parallel to an axis of the second spur gear, and an end of the piston rod away from the piston pump is rotatably sleeved on the pin.

13. The oral care device of claim 5, wherein the housing comprises a first housing and a second housing, the first housing and the second housing being interlocked to enclose the cavity, a seal being disposed at a junction of the first housing and the second housing; the first shell is provided with a shaft hole through which the input shaft of the pump body can pass, and a sealing sleeve is arranged in the shaft hole and sleeved on the input shaft of the pump body.