CN211460634U

CN211460634U - Multifunctional tooth care equipment

Info

Publication number: CN211460634U
Application number: CN201922092254.1U
Authority: CN
Inventors: 王国鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-09-11
Anticipated expiration: 2029-11-28

Abstract

The embodiment of the utility model discloses a multifunctional tooth nursing device, which comprises a main machine body, an electric toothbrush brush head and a stamping water spray head, wherein the electric toothbrush brush head comprises a brush head body and a first connecting component, the stamping water spray head comprises a water spray body and a second connecting component, and the first connecting component and the second connecting component can be detachably connected with the main machine body; the main machine body comprises a shell, a battery arranged in the shell, a water spraying mechanism connected with the second connecting assembly, a main circuit board electrically connected with the battery and the water spraying mechanism, and a first induction coil electrically connected with the main circuit board, wherein the water spraying mechanism is electrically connected with the battery and can suck outside water into the stamping water sprayer, and the first connecting assembly is provided with a second induction coil electrically connected with a motor of the brush head body; the electric toothbrush brush head and the punching water spray head are alternately connected with or detached from the main machine body. It has the technical effects of small occupied space and convenient use.

Description

Multifunctional tooth care equipment

Technical Field

The embodiment of the utility model provides a relate to oral care technical field, concretely relates to multi-functional tooth care apparatus.

Background

Along with the improvement of living standard of people, the requirement on living quality is higher and higher, especially in the field of health care, oral care in the health care also obtains people's attention gradually in recent years, and the tooth care in the oral care is one of them comparatively critical field, electric toothbrush and tooth flusher are two kinds of different equipment in the tooth care respectively, and be the equipment of comparatively commonly used, electric toothbrush can clean the tooth through brush hair high frequency vibrations, the tooth flusher can clean interdental space and food waste through high-pressure water stream pulse, reduce the injury of toothpick dental floss to the gum. The electric toothbrush and the tooth flushing device are required to be respectively stored, only one electric toothbrush and one tooth flushing device can be used at a time when the electric toothbrush and the tooth flushing device are used, inconvenience is caused, the occupied space is large, and the tooth nursing efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a multi-functional tooth care apparatus to solve among the prior art because electric toothbrush and towards the tooth ware deposit respectively and the occupation space that leads to is big, awkward problem.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

a multifunctional tooth care device comprises a main machine body, an electric toothbrush brush head and a stamping water spraying head, wherein the electric toothbrush brush head comprises a brush head body and a first connecting assembly, the stamping water spraying head comprises a water spraying body and a second connecting assembly, and the first connecting assembly and the second connecting assembly can be detachably connected with the main machine body; the main machine body comprises a shell, a battery arranged in the shell, a water spraying mechanism connected with the second connecting assembly, a main circuit board electrically connected with the battery and the water spraying mechanism, and a first induction coil electrically connected with the main circuit board, wherein the water spraying mechanism is electrically connected with the battery and can suck outside water into the stamping water sprayer, and the first connecting assembly is provided with a second induction coil electrically connected with a motor of the brush head body; the electric toothbrush brush head and the stamping water spray head are alternately connected with or detached from the main machine body, when the electric toothbrush brush head is connected with the main machine body, the second induction coil is positioned at the inner side of the first induction coil, the main circuit board controls the first induction coil to be electrified, the second induction coil is electrified through electromagnetic induction, and current is transmitted into the brush head body motor; when the stamping water spray head is connected with the main machine body, the main circuit board controls the water spray mechanism to be electrified.

Furthermore, the head of the main body is provided with a slot, the first connecting assembly comprises a first connecting block fixedly connected with the brush head body and a first connecting rod fixedly connected with the first connecting block, and the first connecting rod is provided with an annular first clamping groove; the second connecting assembly comprises a second connecting block fixedly connected with the sprayer body and a second connecting rod fixedly connected with the second connecting block, and an annular second clamping groove is formed in the second connecting rod; an annular clamping block and a buckle spring connected with the clamping block are fixedly arranged on the inner wall of the slot, and the other end of the buckle spring is fixedly connected with the inner wall of the shell; when the first connecting rod is inserted into the slot, the clamping block is clamped with the first clamping groove; when the second connecting rod is inserted into the slot, the clamping block is clamped with the second clamping groove.

Furthermore, one side of the clamping block, which is far away from the clamping spring, extends outwards to form a clamping button.

Furthermore, the battery is a storage battery, and the bottom of the shell is connected with a wireless induction charging seat electrically connected with the battery.

Further, water spray mechanism locates in the shell, water spray mechanism includes motor, first gear, crown gear, piston rod and piston sleeve, the motor is connected with battery and main circuit board electricity, the pivot fixed connection of first gear and motor, crown gear and first gear intermeshing, the cam has set firmly on the lateral wall of crown gear, piston sleeve internal slipping is connected with the piston head, the piston rod sets up and its pot head is established on the cam along the length direction of shell, and the other end inserts in the piston head and is articulated with the piston head, crown gear rotates and is connected in the shell, the inside of piston sleeve sets firmly the baffle of middle part trompil, the baffle divide into upper chamber and lower chamber with piston sleeve, the piston head slides and connects in lower chamber, the connecting seat has set firmly on piston sleeve's the lateral wall, the connecting seat is positioned at the outer side of the lower cavity; two check valve plates are arranged on the piston sleeve, one check valve plate is arranged in the upper cavity and connected with the partition plate, the other check valve plate is arranged in the connecting seat, and the piston sleeve and the connecting seat are provided with openings to be communicated with each other.

Further, the position department that the piston sleeve corresponds connecting seat one side is equipped with built-in hose, and the position department that the shell corresponds built-in hose both ends has set firmly fuselage water supply connector and sleeve water supply adapter respectively, and fuselage water supply adapter and sleeve water supply adapter link to each other with the both ends of built-in hose respectively, built-in hose sets up and its one end that links to each other with fuselage water supply adapter is located the bottom of shell along the length direction of shell, the opposite side of sleeve water supply adapter links to each other with the connecting seat, and external water enters into in the built-in hose through water supply adapter.

Furthermore, the water inlet adapter is connected with a waterproof connector, the waterproof connector is communicated with the outside, and an external water container is connected with the waterproof connector through an external hose.

The embodiment of the utility model provides a have following advantage:

the electric toothbrush brush head and the punching water spray head can be alternately used, when the electric toothbrush brush head is inserted into a main machine body, the electric toothbrush brush head is used as an electric toothbrush and used for cleaning teeth, the electric toothbrush brush head is taken down and inserted into the punching water spray head, and the electric toothbrush brush head and the punching water spray head are used as a punching device and used for cleaning slits between the teeth and flushing food residues. Therefore, the corresponding plug can be inserted according to the requirement to execute respective functions, the occupied space is small, the use is convenient, and the tooth care efficiency is improved.

When teeth are punched, the first connecting rod is inserted into the main machine body to be installed, the battery supplies power and drives the motor to work, the motor works and drives the first gear to rotate, the first gear drives the crown gear which is meshed with the first gear to rotate, the crown gear rotates around the axis of the crown gear on the shell and drives the cam to rotate, the cam rotates to drive the piston rod to stretch, and then the piston rod drives the piston head which is hinged with the piston rod to stretch in the piston sleeve. When the piston rod contracts downwards, negative pressure is generated in the lower cavity, the check valve plate on the partition plate is closed, the other check valve plate is opened, and water in the water container enters the lower cavity through the built-in hose by virtue of suction force generated by the negative pressure; when the piston rod expands, the lower cavity generates positive pressure, the check valve plate on the partition plate is opened, the other check valve plate is closed, water in the lower cavity penetrates through the partition plate and enters the upper cavity, the piston rod repeatedly stretches and retracts to continuously convey a water source in the water container to the upper cavity, and then the water source penetrates through the upper cavity and enters the stamping water spraying head to spray water.

When carrying out electronic brushing teeth, the installation is realized in the host computer fuselage to the second connecting rod insert, and second induction coil is in first induction coil's inboard, and second induction coil is connected with miniature vibrating motor electricity, and when first induction coil got the electricity, second induction coil got the electricity through electromagnetic induction to give miniature vibrating motor with the current transfer, miniature vibrating motor work and drive brush hair on the head body and produce the amplitude, realize the function of clean tooth.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1-1 is a schematic structural view of a multifunctional tooth care device main body connected with an electric toothbrush head according to an embodiment of the present invention;

fig. 1-2 are schematic structural views of a main body of a multifunctional tooth care device provided by an embodiment of the present invention connected to a stamping water spray head;

fig. 2 is a schematic view of a front cross-sectional view of a main body and a stamping water spraying head of a multifunctional tooth care device provided by an embodiment of the present invention;

fig. 3 is a schematic side sectional view of a main body and a stamping water spraying head of a multifunctional tooth care device provided by an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a main body of a multifunctional tooth care device provided in an embodiment of the present invention;

fig. 5 is a schematic sectional view of a main body of a multifunctional tooth care device and a brush head of an electric toothbrush according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an electric toothbrush head of a multifunctional tooth care device according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a stamping water spraying head of a multifunctional tooth care device according to an embodiment of the present invention.

In the figure: 1. a main body; 11. a housing; 111. an inner cavity; 12. a battery; 121. a wireless induction charging seat; 13. a motor; 14. a first gear; 15. a crown gear; 151. a cam; 16. a piston rod; 161. a spherical portion; 162. a piston head; 163. a hinged lever; 164. a first waterproof ring; 165. turning a joint on the sleeve; 166. a waterproof pad; 17. a piston sleeve; 171. a partition plate; 172. an upper chamber; 173. a lower chamber; 174. a connecting seat; 175. a check valve plate; 176. a hose is arranged inside; 177. a water inlet joint of the machine body; 178. a sleeve water inlet adapter; 179. a waterproof joint; 18. a main circuit board; 181. a host key; 182. a first induction coil; 19. a clamping block; 191. a snap spring; 192. a button is buckled; 2. an electric toothbrush head; 21. a brush head body; 211. a micro vibration motor; 22. a first connection assembly; 221. a first connection block; 222. a first connecting rod; 223. a first card slot; 224. a second induction coil; 3. stamping a sprinkler head; 31. a nozzle body; 32. a second connection assembly; 321. a second connecting block; 322. a second connecting rod; 323. a second card slot; 33. a water outlet channel; 4. a water container; 41. is externally connected with a hose.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A multifunctional tooth care device is shown as 1-1 and 1-2 in figure 1, and comprises a main machine body 1, an electric toothbrush brush head 2 and a stamping water spray head 3, wherein the electric toothbrush brush head 2 and the stamping water spray head 3 are not connected with the main machine body 1 at the same time, and when the electric toothbrush brush head 2 and the stamping water spray head are connected with the main machine body 1, the other one is detached.

As shown in fig. 2, 3 and 4, the main body 1 includes a housing 11, a battery 12, a motor 13, a first gear 14, a crown gear 15, a piston rod 16, a piston sleeve 17, a main circuit board 18 and a first induction coil 182. The shell 11 is cylindrical and hollow inside to form an inner cavity 111, one end of the shell 11 close to the electric toothbrush brush head 2 or the stamping water spray head 3 is a head part, the other end far away from the bottom part is a bottom part, the head part of the shell 11 shrinks towards the axial position to form a circular truncated cone shape, and the head part and the bottom part of the inner cavity 111 are the same as the shell 11. The battery 12 is disposed coaxially with the housing 11 and at the bottom of the inner cavity 111, the motor 13 is disposed in the housing 11 and has one end connected to the battery 12, and the first gear 14 is coaxially fixed on the rotating shaft of the motor 13.

The axis position of crown gear 15 sets firmly the connecting rod, and crown gear 15 passes through the connecting rod rotation and connects in shell 11, and the axis direction of crown gear 15 and the axis direction mutually perpendicular of shell 11 locate the motor 13 and keep away from one side of battery 12, and crown gear 15 is located inner chamber 111 and meshes with first gear 14 each other. The crown gear 15 is fixedly connected with a circular cam 151 in a non-coaxial mode, the piston rod 16 is arranged along the axis direction of the shell 11, one end of the piston rod 16 is circular and provided with a circular connecting hole matched with the cam 151 in the inner portion, the piston rod 16 is sleeved on the cam 151 through the connecting hole, one end, far away from the cam 151, of the piston rod 16 is spherical to form a spherical portion 161, a cylindrical piston head 162 is arranged on the outer side of the spherical portion 161, the piston head 162 is opened towards one end of the piston rod 16 and closed towards one end of the piston rod 16, the piston head 162 is arranged coaxially with the shell 11 and is fixedly provided with a hinge rod 163 in the inner portion, and a hinge hole is formed in the spherical portion 161.

The piston sleeve 17 and the shell 11 are coaxially arranged and arranged in the inner cavity 111, a partition plate 171 is fixedly arranged in the middle of the piston sleeve 17, a through hole for water flow is formed in the side wall of the partition plate 171, the partition plate 171 divides the interior of the piston sleeve 17 into an upper chamber 172 and a lower chamber 173, the lower chamber 173 is arranged close to the piston rod 16, the piston head 162 is connected in the lower chamber 173 in a sliding mode, two first waterproof rings 164 which are coaxially arranged with the piston head 162 are sleeved on the outer side wall of the piston head 162, the outer side wall of each first waterproof ring 164 is attached to the inner side wall of the piston sleeve 17, and the two waterproof rings are arranged along the axial direction of. One side of the piston sleeve 17, which is far away from the piston rod 16, is provided with a sleeve upper joint 165, a waterproof pad 166 is arranged in the sleeve upper joint 165, and the lower end of the sleeve upper joint 165 is inserted into the upper chamber 172.

The outer side wall of the piston sleeve 17 is fixedly provided with a connecting seat 174, and the connecting seat 174 is located at the outer side of the lower chamber 173. Two check valve plates 175 are arranged on the piston sleeve 17, one check valve plate 175 is arranged in the upper cavity 172 and connected with the partition plate 171, the other check valve plate 175 is arranged in the connecting seat 174, and a water inlet hole for communicating the inside and the outside of the piston sleeve 17 is formed in the position, corresponding to the connecting seat 174, of the piston sleeve 17.

It should be noted that the motor 13, the first gear 14, the crown gear 15, the piston rod 16, and the piston sleeve 17 are all related to the prior art, and all components that draw outside water into the piston sleeve 17 and the matching relationship therebetween are related to the prior art.

As shown in fig. 3 and 5, a water inlet channel is formed in a position of the piston sleeve 17 corresponding to one side of the connecting seat 174, a built-in hose 176 is arranged in the water inlet channel, a body water inlet joint 177 and a sleeve water inlet adapter 178 are fixedly arranged at positions of the shell 11 corresponding to two ends of the built-in hose 176 respectively, the body water inlet joint 177 and the sleeve water inlet adapter 178 are connected with two ends of the built-in hose 176 respectively, the other side of the sleeve water inlet adapter 178 is connected with the connecting seat 174, a waterproof ring is connected between the connecting seat 174 and the sleeve water inlet adapter 178, the built-in hose 176 is arranged along the length direction of the shell 11, and one end of the built-in hose 176 connected with the body water inlet. Be connected with water joint 179 on the adapter of intaking, water joint 179 communicates with the external world, and external flourishing water container 4 links to each other with water joint 179 through external hose 41, and water joint 179 can prevent that water from directly flowing into in the shell 11, infects the inside other components and parts of shell 11, through setting up built-in hose 176, can come into external hose 41 through the bottom of shell 11, and it is more convenient to use like this.

When punching teeth, the battery 12 supplies power and drives the motor 13 to work, the motor 13 works and drives the first gear 14 to rotate, the first gear 14 drives the crown gear 15 engaged with the first gear to rotate, the crown gear 15 rotates around the axis of the shell 11 and drives the cam 151 to rotate, the cam 151 rotates to drive the piston rod 16 to extend and retract, and then the piston rod 16 drives the piston head 162 hinged with the piston rod to extend and retract in the piston sleeve 17. When the piston rod 16 contracts downwards, negative pressure is generated in the lower cavity 173, the check valve plate 175 on the partition plate 171 is closed, the other check valve plate 175 is opened, and water in the water container 4 enters the lower cavity 173 through the built-in hose 176 by suction force generated by the negative pressure; when the piston rod 16 expands, the lower chamber 173 generates positive pressure, the check valve plate 175 on the partition plate 171 is opened, the other check valve plate 175 is closed, water in the lower chamber 173 passes through the partition plate 171 and enters the upper chamber 172, the piston rod 16 repeatedly extends and retracts to continuously convey water in the water container 4 to the upper chamber 172, and then the water passes through the upper chamber 172 and enters the water ram 3, so that water spraying is realized. Both check valve plates 175 function to prevent the backflow of water.

The main circuit board 18 is fixedly arranged on one side of the inside of the shell 11, the first induction coil 182 is arranged at the head of the inner cavity 111, the main circuit board 18 is electrically connected with the first induction coil 182, the battery 12 and the motor 13, a main machine key 181 is arranged on the outer wall of the shell 11, the upper part of the main machine key 181 is pressed, the main circuit board 18 controls the first induction coil 182 to be powered on, and the motor 13 is powered off; when the lower part of the main button 181 is pressed, the main circuit board 18 controls the first induction coil 182 to lose power, and the motor 13 is powered on.

The battery 12 is a storage battery 12, a wireless induction charging base 121 is fixedly arranged at the bottom of the shell 11, the wireless induction charging base 121 is electrically connected with the battery 12, and the battery 12 is charged through the wireless induction charging base 121.

As shown in fig. 5 and 6, the electric toothbrush head 2 includes a head body 21 and a first connection assembly 22, a micro vibration motor 211 is disposed in the head body 21, the first connection assembly 22 includes a first connection block 221 and a first connection rod 222, the first connection block 221 is cylindrical and is clamped and fixed with the bottom of the head body 21, the first connection rod 222 is cylindrical and is fixedly connected with the first connection block 221, a slot is disposed at the position of the head axis of the housing 11, and the first connection rod 222 is inserted into the slot. An annular first clamping groove 223 is formed in the outer side wall of the first connecting rod 222, an annular clamping block 19 and a clamping spring 191 connected with the clamping block 19 are fixedly arranged on the inner side wall of the slot, the other end of the clamping spring 191 is fixedly connected with the inner wall of the shell 11, and one side, far away from the clamping spring 191, of the clamping block 19 extends outwards to form a clamping button 192. After the first connecting rod 222 is inserted into the slot, the fixture block 19 is automatically clamped into the first clamping groove 223 under the elastic force of the clamping spring 191 to realize the installation of the electric toothbrush head 2 and the main body 1, the first connecting rod 222 is hollow and the inner side wall of the first connecting rod is provided with the second induction coil 224, and after the first connecting rod 222 is inserted into the slot, the lower end of the first connecting rod is inserted into the waterproof pad 166 and clings to the waterproof pad 166 to realize the waterproof function. The second induction coil 224 is located at the inner side of the first induction coil 182, the second induction coil 224 is electrically connected with the micro vibration motor 211, when the first induction coil 182 is powered on, the second induction coil 224 is powered on through electromagnetic induction, current is transmitted to the micro vibration motor 211, the micro vibration motor 211 works and drives bristles on the brush head body 21 to generate amplitude, and the function of cleaning teeth is achieved. When the snap button 192 is pushed, the first engaging groove 223 is disengaged from the engaging block 19, so that the electric toothbrush head 2 can be taken out.

As shown in fig. 3 and 7, the punching press sprinkler head 3 includes a sprinkler body 31 and a second connecting component 32, a water jet has been opened at the top of the sprinkler body 31, the second connecting component 32 includes a second connecting block 321 and a second connecting rod 322 coaxially disposed with the housing 11, the second connecting block 321 is cylindrical and is fixedly connected with the sprinkler body 31, the second connecting rod 322 is cylindrical and is fixedly connected with the second connecting block 321, an annular second clamping groove 323 has been opened on the outer side wall of the second connecting rod 322, after the second connecting rod 322 is inserted into the slot, the second connecting rod 322 is inserted into the waterproof pad 166 and is tightly attached to the inner wall of the waterproof pad 166, and waterproofing is realized. The fixture block 19 is clamped with the second clamping groove 323 under the elastic force of the clamping spring 191, and the stamping water spraying head 3 is installed in the main machine body. The inside of second connecting block 321, second connecting rod 322 and shower nozzle body 31 all sets up the water outlet channel 33 of mutual intercommunication, and the water in the upper chamber 172 spouts in the mouth from the water spray through sleeve upper swivel 165 and water outlet channel 33, realizes towards the tooth. When the snap button 192 is pressed, the second engaging groove 323 disengages from the engaging block 19, so that the water jet head can be taken out.

Electric toothbrush brush head 2 and punching press sprinkler bead 3 can alternate the use, and when inserting electric toothbrush brush head 2 on host computer fuselage 1, it uses as electric toothbrush for clean tooth, take off electric toothbrush brush head 2, insert punching press sprinkler bead 3, use as the punching press, be used for cleaning tooth seam and wash food waste. Therefore, the corresponding plug can be inserted according to the requirement to execute respective functions, the occupied space is small, the use is convenient, and the tooth care efficiency is improved.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The multifunctional tooth care equipment is characterized by comprising a main machine body, an electric toothbrush brush head and a stamping water spray head, wherein the electric toothbrush brush head comprises a brush head body and a first connecting assembly; the main machine body comprises a shell, a battery arranged in the shell, a water spraying mechanism connected with the second connecting assembly, a main circuit board electrically connected with the battery and the water spraying mechanism, and a first induction coil electrically connected with the main circuit board, wherein the water spraying mechanism is electrically connected with the battery and can suck outside water into the stamping water sprayer, and the first connecting assembly is provided with a second induction coil electrically connected with a motor of the brush head body; the electric toothbrush brush head and the stamping water spray head are alternately connected with or detached from the main machine body, when the electric toothbrush brush head is connected with the main machine body, the second induction coil is positioned at the inner side of the first induction coil, the main circuit board controls the first induction coil to be electrified, the second induction coil is electrified through electromagnetic induction, and current is transmitted into the brush head body motor; when the stamping water spray head is connected with the main machine body, the main circuit board controls the water spray mechanism to be electrified.

2. The multifunctional tooth care device according to claim 1, wherein the head of the main body is provided with a slot, the first connecting assembly comprises a first connecting block fixedly connected with the brush head body and a first connecting rod fixedly connected with the first connecting block, and the first connecting rod is provided with a first clamping groove in an annular shape; the second connecting assembly comprises a second connecting block fixedly connected with the sprayer body and a second connecting rod fixedly connected with the second connecting block, and an annular second clamping groove is formed in the second connecting rod; an annular clamping block and a buckle spring connected with the clamping block are fixedly arranged on the inner wall of the slot, and the other end of the buckle spring is fixedly connected with the inner wall of the shell; when the first connecting rod is inserted into the slot, the clamping block is clamped with the first clamping groove; when the second connecting rod is inserted into the slot, the clamping block is clamped with the second clamping groove.

3. The multi-functional dental care apparatus of claim 2, wherein a side of the latch remote from the latch spring extends outwardly to form a latch button.

4. The multifunctional dental care apparatus of claim 1, wherein the battery is a storage battery, and a wireless induction charging socket electrically connected to the battery is connected to the bottom of the housing.

5. The multifunctional teeth nursing device according to claim 1, wherein said water spraying mechanism is disposed in said housing, said water spraying mechanism comprises a motor, a first gear, a crown gear, a piston rod and a piston sleeve, said motor is electrically connected to said battery and said main circuit board, said first gear is fixedly connected to the rotation shaft of said motor, said crown gear is engaged with said first gear, said crown gear has a cam fixed on the side wall of said crown gear, said piston sleeve is connected with a piston head in a sliding manner, said piston rod is disposed along the length direction of said housing, one end of said piston rod is sleeved on said cam, the other end of said piston rod is inserted into said piston head and hinged to said piston head, said crown gear is rotatably connected to said housing, said piston sleeve has a partition plate with a hole at the middle part fixed inside thereof, said partition plate divides said piston sleeve into an upper chamber and a lower chamber, said piston head is connected in said, the outer side wall of the piston sleeve is fixedly provided with a connecting seat, and the connecting seat is positioned on the outer side of the lower cavity; two check valve plates are arranged on the piston sleeve, one check valve plate is arranged in the upper cavity and connected with the partition plate, the other check valve plate is arranged in the connecting seat, and the piston sleeve and the connecting seat are provided with openings to be communicated with each other.

6. The multifunctional dental care apparatus of claim 5, wherein the piston sleeve is provided with a built-in hose at a position corresponding to one side of the connecting seat, a body water inlet joint and a socket water inlet joint are fixedly provided at positions corresponding to both ends of the built-in hose respectively on the housing, the body water inlet joint and the socket water inlet joint are connected to both ends of the built-in hose respectively, the built-in hose is disposed along a length direction of the housing and has one end connected to the body water inlet joint at a bottom of the housing, the other side of the socket water inlet joint is connected to the connecting seat, and external water is introduced into the built-in hose through the water inlet joint.

7. The multifunctional dental care apparatus of claim 6, wherein a waterproof connector is connected to the water inlet adapter, the waterproof connector is communicated with the outside, and the external water container is connected to the waterproof connector through an external hose.