CN211381892U - Pipeline connection structure and oral cavity cleaning device - Google Patents

Abstract

The utility model discloses a pipeline connection structure and oral cavity cleaning device belongs to clean tooth technical field. The utility model discloses pipeline connection structure includes first interior casing, vibrating motor, inner tube connecting piece and inner tube sealing member, and first interior casing is equipped with vibrating motor holding chamber, and vibrating motor arranges vibrating motor holding intracavity in, and vibrating motor has the vibrating motor inner tube, and the vibrating motor inner tube has inner tube feed liquor end, inner tube connecting piece and first interior casing fixed connection, and inner tube connecting piece is equipped with inner tube holding chamber, and inner tube feed liquor end is arranged in inner tube holding chamber, and inner tube feed liquor pot head is equipped with inner tube sealing member. The oral cavity cleaning device of the utility model comprises a brush head, a liquid storage tank, a pump, a pumping motor and the pipeline connecting structure. The utility model discloses pipeline connection structure can be with vibrating motor inner tube and the firm connection of second connecting line, and the vibration of the outside transmission of vibrating motor inner tube can also be reduced to the inner tube sealing member when providing sealed effect.

Description

Pipeline connection structure and oral cavity cleaning device

Technical Field

The utility model relates to a clean tooth technical field especially relates to a pipeline connection structure and oral cavity cleaning device.

Background

In the prior art, a dental irrigator generally comprises a housing, a pump, a reservoir, a motor, a nozzle and associated fluid lines. The motor and the pump driven by the motor are both arranged in the accommodating cavity enclosed by the shell and directly or indirectly carried by the shell. The water pumped out from the liquid storage tank by the pump is sprayed out from the sharp mouth end of the spray pipe in a pulse water flow mode, and then teeth, slits between teeth, gums or tongues are cleaned.

The electric toothbrush is characterized in that an electrically driven vibrating motor is arranged in a common electric toothbrush, a brush head can generate high-frequency swing perpendicular to the direction of a brush handle, the brush head which swings at high frequency can efficiently finish tooth brushing action during tooth brushing, a mixture of toothpaste and water in an oral cavity can generate a large amount of tiny bubbles through vibration, and pressure generated when the bubbles burst can deeply penetrate into slits of teeth to clean dirt.

The tooth flusher and the electric toothbrush are matched for use to achieve a good effect of cleaning the oral cavity, but in the prior art, the tooth flusher and the electric toothbrush are generally independently configured and used to achieve the functions of flushing teeth and toothbrushes. If the structure with the functions of the tooth flusher and the electric toothbrush is arranged in the same device, the pipeline of the structure of the electric toothbrush and the pipeline of the structure of the tooth flusher need to be connected, and the pipeline needs to have better sealing performance in the vibration process of the electric toothbrush.

Therefore, there is a need for a pipeline connection structure and an oral cleaning device using the same, which can provide a better sealing performance for the pipeline connecting the electric toothbrush structure and the tooth rinsing device structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an oral cavity cleaning device of pipeline connection structure and applied this pipeline connection structure is provided, its pipeline that can make to connect electric toothbrush structure and towards tooth ware structure has the sealing performance of preferred.

In order to solve the technical problem, the utility model provides a pipeline connecting structure, it includes first interior casing, vibrating motor, inner tube connecting piece and inner tube sealing member, first interior casing is equipped with vibrating motor holding chamber, vibrating motor arranges in vibrating motor holding intracavity, vibrating motor has the vibrating motor inner tube, the vibrating motor inner tube has the inner tube feed liquor end, inner tube connecting piece with first interior casing fixed connection, inner tube connecting piece is equipped with inner tube holding chamber, the inner tube feed liquor end is arranged in the inner tube holding chamber, inner tube feed liquor pot head is equipped with inner tube sealing member.

The utility model also provides an oral cavity cleaning device, including brush head, liquid reserve tank, pump sending motor and as above the tube coupling structure, the brush head including brush head body and link firmly in brush head body upper end's brush hair, brush head body upper end be equipped with brush head top end hole of first pipeline fluid intercommunication, the vibrating motor inner tube with pump fluid intercommunication, the inner tube of vibrating motor inner tube goes out the liquid end holding in the first pipeline of brush, the pump is in with the liquid warp of liquid reserve tank under the drive action of pump sending motor inner tube connecting piece the vibrating motor inner tube brush head pipeline flow extremely brush head top end hole.

The utility model has the advantages that:

the utility model discloses pipeline connection structure can be connected vibrating motor inner tube and second connecting tube firmly, and inner tube sealing member can also reduce the vibration of vibrating motor inner tube to the transmission of second connecting tube when providing sealed effect, and the structure is unique and reasonable, and at the in-process of electric toothbrush work, the junction of pipeline still can have the sealing performance of preferred. The utility model discloses oral cavity cleaning device has electric toothbrush concurrently and dashes the function of tooth, adopts above-mentioned pipeline connection structure, can guarantee that vibrating motor and pump simultaneous working device have sealed, the damping performance of preferred.

Drawings

Fig. 1 is a perspective view of an exemplary embodiment of an oral cleaning device.

Fig. 2 is a schematic view showing the construction of the oral cleaning device mainly from the bottom surface and the rear surface.

Figure 3 is a cut-away view of the oral cleaning device in its entirety.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a partially enlarged view at B in fig. 3.

Fig. 6 is a partially enlarged view at C in fig. 3.

Fig. 7 is a partial enlarged view at D in fig. 3.

Fig. 8 is an exploded view of the oral cleaning device.

Figure 9 is a schematic view of an exploded view of the oral cleaning device shown from another angle.

Fig. 10 is a perspective view of the first housing of the oral cleaning device.

Figure 11 is a cross-sectional view of a first housing of an oral cleaning device.

Fig. 12 is a schematic structural view showing the first housing of the oral cleaning device mainly from the bottom surface.

Figure 13 is a schematic perspective view of a reservoir of the oral cleaning device.

Figure 14 is a schematic view showing the configuration of the reservoir of the oral cleaning device, primarily from the top.

Figure 15 is a cross-sectional view of a reservoir of an oral cleaning device.

Figure 16 is a schematic diagram of the outer and inner walls of a tank of an oral cleaning device.

Figure 17 is a schematic view showing the outer and inner walls of the reservoir of the oral cleaning device, primarily from the floor.

Figure 18 is a cross-sectional view showing the configuration of the outer and inner walls of the reservoir of the oral cleaning device.

Figure 19 is a schematic view of the configuration of the reservoir base of the oral cleaning device.

Fig. 20 is a partial enlarged view at E in fig. 19.

Figure 21 is a schematic view of the liquid filling cap of the liquid storage tank of the oral cleaning device.

Fig. 22 is a schematic view of a first bottom housing latch of the oral cleaning device.

Fig. 23 is a schematic view of a second bottom housing latch of the oral cleaning device.

Figure 24 is a schematic view of a line connection configuration of an oral cleaning device.

Figure 25 is an exploded view of the oral cleaning device conduit connection shown in figure 24.

Figure 26 is another exploded perspective view of the oral cleaning device conduit connection shown in figure 24.

Figure 27 is a schematic view of an oral cleaning device pump seal structure.

Fig. 28 is a cross-sectional view of the pump seal structure shown in fig. 27.

Fig. 29 is an exploded schematic view of the pump seal structure shown in fig. 27.

Figure 30 is a schematic structural view of another embodiment of an oral cleaning device pump seal structure.

Fig. 31 is a cross-sectional view of the pump seal structure shown in fig. 30.

Fig. 32 is an exploded schematic view of the pump seal structure shown in fig. 30.

Figure 33 is a schematic view of the second inner housing of the oral cleaning device.

Figure 34 is a schematic view of an alternative angle of the second inner housing of the oral cleaning device.

Fig. 35 is a schematic structural view of a fourth inner housing of the oral cleaning device.

Fig. 36 is a schematic view of another angle of the fourth inner housing of the oral cleaning device.

Figure 37 is a schematic structural view of a pump housing of the oral cleaning device.

Figure 38 is a schematic view of another angle of the pump housing of the oral cleaning device.

Figure 39 is a schematic view of the third inner housing of the oral cleaning device.

Figure 40 is a schematic view of another angle of the third inner housing of the oral cleaning device.

Fig. 41 is a schematic structural view of a fifth inner housing of the oral cleaning device.

Fig. 42 is a schematic view of another angle of the fifth inner housing of the oral cleaning device.

Fig. 43 is a schematic view of the electrode sealing plug of the oral cleaning device.

Figure 44 is a schematic view of a construction of a liquid absorbing member of the oral cleaning device.

Figure 45 is a schematic structural view of a brush head body of the oral cleaning device.

Figure 46 is a schematic view of an alternative angle of the body of the head of the oral cleaning device.

Figure 47 is a cross-sectional view of a body of a head of an oral cleaning device.

Figure 48 is a cross-sectional view of a head of an oral cleaning device.

Figure 49 is a schematic view of the first connector of the head of the oral cleaning device.

Figure 50 is a schematic view of an alternate angle of the first attachment member of the head of the oral cleaning device.

Figure 51 is a schematic view of a second link of the head of the oral cleaning device.

Figure 52 is a cross-sectional view of a second link of the head of the oral cleaning device.

Figure 53 is a schematic view of a brush head seal of an oral cleaning device.

Figure 54 is a schematic view of a head attachment ring of the oral cleaning device.

Figure 55 is a schematic view of the second housing of the oral cleaning device.

Figure 56 is a schematic view of a decorative ring of the oral cleaning device.

Figure 57 is a schematic view of the construction of the oral cleaning device top seal.

Figure 58 is a schematic view of another angle configuration of the top seal of the oral cleaning device.

Figure 59 is a schematic view of the attachment ring of the housing of the oral cleaning device.

Figure 60 is a schematic view of a construction of a faceplate for an oral cleaning device.

Fig. 61 is a schematic view of the structure of the oral cleaning device printed wiring board.

Fig. 62 is a schematic view of the connection structure of the pump motor, the vibration motor, and the pump of the oral cleaning device.

Fig. 63 is a sectional view of an oral cleaning device pump motor, vibration motor, and connection structure of the pump.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to the specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

In the present invention, the expressions of "upper", "lower", and the like are not limited to absolute orientations, but are intended to explain specific structures of respective members and the connection relationship and positional relationship between each other in conjunction with the drawings. In addition, all the "communication" in the present invention means a state that two or more members are essentially communicated with each other, and includes not only the communication formed by direct connection, but also "indirect communication", that is, two or more members are not directly connected, but indirectly connected through one or more members, thereby realizing a physical fluid passage structure.

As shown in fig. 1-9, the oral cleaning device includes a brush head 310, a reservoir 140, a pump, a pumping motor 370, a vibration motor 400, and a housing, tubing, etc. The liquid storage tank 140, the pump, the vibration motor inner tube 401 and the brush head 310 are communicated through a pipeline fluid, the pump motor 370 drives the pump to work, and liquid in the liquid storage tank 140 is pumped to the brush head 310, so that the tooth flushing function is realized; one end of the inner tube 401 of the vibration motor is arranged inside the brush head 310, and the vibration motor 400 can drive the brush head 310 to vibrate, so that the function of the electric toothbrush is realized.

As shown in fig. 1, 2, 5, 6, 8-12, the first housing 100 has a first housing hook groove 101, a first housing top protrusion 102, a first housing side protrusion 103, a first housing inner protrusion 104, a first housing inner ring portion 105, a first housing left limit post 106, a first housing right limit post 107, a first key hole 108, a second key hole 109, a first housing indicator light hole 110, a protruding point 111, a first housing side plate 112, a first housing fixing hole 113, and a panel groove 114.

As shown in fig. 1, 2, 4, 8, 9 and 55, the second housing 120 is disposed above the first housing 100, and has a second housing inner ring portion 121, a second housing latch 122, a second housing hook 123 and a second housing through hole 124. The second casing inner ring portion 121 is sleeved on the top end of the first casing 100, and the first casing top protrusion 102 is disposed in the second casing through hole 124. The second housing latch 122 is engaged with the first housing protrusion 103, and the second housing hook 123 is engaged with the first housing hook slot 101, so as to fixedly connect the first housing 100 and the second housing 120.

As shown in fig. 1, 2, 7-9, and 13-20, a reservoir outer wall 141, a reservoir inner wall 142, and a reservoir bottom shell 143 of a reservoir 140 enclose a reservoir space 145 for holding a tooth-rinsing fluid (typically water).

The reservoir outer wall 141 is provided with a filling hole 149, a filling cap snap groove 150, and a filling cap hinge groove 151.

The inner wall 142 of the liquid storage tank is provided with a liquid storage tank inner hole 144, a left limit groove 146 and a right limit groove 147. The reservoir inner bore 144 extends toward the reservoir bottom shell 143 with an annular wall 158, and the bottom end of the annular wall 158 is provided with the side opening 148. The left limiting groove 146 is matched with the first housing left limiting column 106, and the right limiting groove 147 is matched with the first housing right limiting column 107, so that the first housing 100 is connected with the liquid storage box 140.

The bottom case 143 has a bottom case hole 152, a bottom case groove 153 and a label groove 157, and the bottom case groove 153 has a groove side protrusion 154, a bottom case limiting groove 155 and a bottom case positioning hole 156. The bottom case hole 152 has a shape corresponding to the lower end of the inner wall 142 of the tank so as to hermetically connect the bottom case 143 with the inner wall 142 of the tank. The label slot 157 is used to attach a label displaying product information. The bottom housing recess 153 is used to receive the first bottom housing latch 170 and the second bottom housing latch 180, and this structure will be described in detail below.

An air inlet hole 165 is formed at the upper end of the liquid storage tank 140, and when the liquid in the liquid storage tank 140 is sucked out by the pump, the external air can enter the liquid storage tank 140 through the air inlet hole 165 to keep the air pressure in the liquid storage tank 140 stable.

It should be noted that, in this embodiment, the bottom case 143 is shown as a single component to clearly illustrate the structure of the liquid storage box 140, and the bottom case 143 is actually connected to the outer wall 141 and the inner wall 142 of the liquid storage box by welding (e.g., ultrasonic welding) to form a sealed and leak-proof structure of the liquid storage box 140, but the connection manner of the bottom case 143 is not limited to this embodiment.

As shown in fig. 2, 8, 9, 13-15 and 21, the liquid injection hole 149 is buckled with a liquid injection cover 160, and the liquid injection cover 160 is provided with a liquid injection cover groove 161, a liquid injection cover buckling column 162 and a liquid injection cover hinging column 163. The liquid injection cover groove 161 is used for placing a liquid injection cover sealing ring 164 to seal the buckling position of the liquid injection cover 160 and the liquid storage box outer wall 141. The injection cap latching post 162 cooperates with the injection cap latching groove 150 to achieve a latching connection of the injection cap 160 to the reservoir outer wall 141. The fill cap hinge post 163 cooperates with the fill cap hinge slot 151 described above to effect rotational movement of the fill cap 160 relative to the reservoir outer wall 141.

As shown in fig. 2, 7-9, 20, 22 and 23, the first bottom-shell locking member 170 is provided with a locking member fixing post 171, and the second bottom-shell locking member 180 is provided with a locking member positioning protrusion 182, a locking member limiting hook 183 and a locking member fixing hole 181 which is connected with the locking member fixing post 171 in a matching manner. The locking member positioning protrusions 182 are engaged with the two bottom positioning holes 156 to realize the sliding positioning of the first bottom locking member 170 and the second bottom locking member 180. The lock member limiting hook 183 is engaged with the bottom case limiting groove 155 to realize the sliding limitation of the first bottom case lock member 170 and the second bottom case lock member 180.

As shown in fig. 4, 6, 8, 9, and 24-26, the first inner housing 200 is disposed inside the first housing 100, and has a vibration motor accommodating cavity 201, a battery accommodating cavity 202, a pumping motor accommodating cavity 203, a first inner housing top protrusion 204, a first inner housing side protrusion 205, a first inner housing stopper 206, a first inner housing mounting post 207, a first inner housing fixing hole 208, and a first inner housing connecting hole 209.

As shown in fig. 5, 8, 9, 24-26, the vibration motor housing 210 is fixedly connected to the first inner housing 200 to fix the vibration motor 400 in the vibration motor accommodating chamber 201. The vibration motor housing 210 is provided with a vibration motor housing-side protrusion 211 and a vibration motor housing-mounting hole 213.

As shown in fig. 4, 5, 8, 9, 24-26, the vibration motor 400 includes a vibration motor inner tube 401, the vibration motor inner tube 401 is capable of high frequency vibration and is provided with an inner tube inlet end 402, an inner tube outlet end 403, an inner tube annular groove 404 and an inner tube outer plane 405, and liquid required for tooth washing flows from the inner tube inlet end 402 to the inner tube outlet end 403. The vibration motor 400 is provided with a vibration motor boss 406 at one end of the inner pipe liquid inlet end 402 for positioning and fixing the vibration motor 400.

As shown in fig. 1, 2, 4, 8, 9, 45-48, the brush head 310 includes a brush head body 311 and bristles 312, a brush head pipe 320 is disposed inside the brush head body 311, a brush head top end groove 314, a brush head top end hole 316 and a brush hole 313 are disposed at the upper end of the brush head body, the brush head top end hole 316 is in fluid communication with the brush head pipe 320, the bristles 313 are used for fixing the bristles 312, and an inner hollow top end groove cover 315 is fixed inside the brush head top end groove 314, which is specifically described, although the top end groove cover 315 is shown as a separate component in this embodiment to clearly illustrate the structure of the brush head 310, the actual top end groove cover 315 is fixedly connected with the brush head top end groove 314 by welding and sealing, although the connection manner is not limited to this embodiment. The brush head body 311 is further provided with a brush head ring groove 317, a brush head connecting side hole 318, a brush head inner protrusion 319 and a brush head inner tube wall 321. In addition, the head tip hole 316 in this embodiment is convex and the length of the convex end is shorter than the length of the brush 312, so that the design can not only avoid the damage to the gum or teeth of the user caused by the excessively long convex of the head tip hole, but also collect the liquid flow for washing the teeth to have larger impulsive force; however, the understanding of the head tip hole should not be limited thereto, and in various embodiments, the head tip hole may not be convex or may even be concave, as long as it is sufficient to have a liquid jet hole for rinsing teeth; if the hole at the top end of the brush head is convex, the convex tip can adopt an integral type or a split type of a plurality of components, and can adopt a hard material or a soft material.

As shown in fig. 4, 8, 9, 25, 26, 48-50, a first connection member 330 of the brush head is disposed in the brush head channel 320 and has a first connection hole 331, a first connection outer plane 332, and a first connection inner plane 333. The inner tube outlet 403 of the inner tube 401 of the vibration motor is disposed in the first connection hole 331; the first connecting outer surface 332 is engaged with the inner tube wall 321 to limit the relative rotation between the first connecting member 330 and the main body 311; the first link inner flat surface 333 cooperates with the inner tube outer flat surface 405 to limit the relative rotation of the first brush head link 330 and the vibration motor inner tube 401.

As shown in fig. 4, 8, 9, 25, 26, 48, 51, 52, the head second connector 340 is disposed in the head pipe 320, and is provided with a second connection hole 341, a second connector side protrusion 342, a second connector vertical groove 343, and a second connector inner protrusion 344. The second connection hole 341 penetrates the head second connector 340, and the vibration motor inner tube 401 penetrates the second connection hole 341. The second link side protrusion 342 cooperates with the head link side aperture 318 to effect a positive stop fixation of the head second link 340 with the head body 311. The second vertical connecting groove 343 is engaged with the inner bristle protrusion 319 to achieve a positioning effect when the second bristle connecting member 340 is mounted to the bristle body 311. When the inner tube 401 of the vibration motor penetrates into the second connecting hole 341, the inner protrusion 344 of the second connecting member is matched with the inner tube ring groove 404, so that the inner tube 401 of the vibration motor and the second connecting member 340 of the brush head can be in limited fixed connection in the radial direction.

As shown in fig. 4, 8, 9, 25, 26, 48, 53, a brush head seal 350 is disposed within the brush head conduit 320 between the brush head first connector 330 and the brush head second connector 340, and has a seal outer wall 351 and a seal inner wall 352, which are V-shaped in cross-section.

As shown in fig. 1, 2, 4, 8, 9, 48 and 54, the brush head connection ring 360 is sleeved on the lower end of the brush head body 311, and an inner ring protrusion 361 is provided to cooperate with the brush head ring groove 317, so as to realize the fixed connection between the brush head connection ring 360 and the brush head body 311.

As shown in fig. 5, 8, 9, and 24-26, the inner pipe connector 420 is fixedly connected to the first inner housing 200, and has an inner pipe connector inlet 421, an inner pipe connector outlet 422, an inner pipe receiving cavity 423, an inner pipe connector side ear 424, and an inner pipe connector side hole 425. The inner tube inlet 402 disposed in the inner tube receiving cavity 423 is sleeved with an inner tube sealing member 430, similar to the brush head sealing member 350, and the inner tube sealing member 430 also preferably has a V-shaped cross section. Inner tube connector side holes 425 are provided on inner tube connector side ears 424, inner tube connector side holes 425 are aligned with first inner housing fixing holes 208, and inner tube connector 420 is fixedly connected to first inner housing 200 with screws.

As shown in fig. 5, 8, 9, 25 and 26, in order to reduce the vibration transmitted from the vibration motor 400 to the outside, a support member 440 is provided between the first inner case 200 and the vibration motor case 210, the support member 440 is provided with a motor placement groove 441, an inner tube placement groove 442 and a support member mounting hole 443, and the support member 440 is made of a vibration-damping material, preferably rubber. The motor placement groove 441 accommodates the vibration motor protrusion 406, and the vibration motor inner tube 401 passes through the inner tube placement groove 442, in this embodiment, the motor placement groove 441 and the inner tube placement groove 442 are both U-shaped, and in different embodiments, shapes such as a circle or a racetrack may be adopted. The supporting member mounting hole 443 is sleeved on the first inner housing mounting post 207, and when the vibration motor housing mounting hole 213 and the first inner housing mounting post 207 are fastened by screws, the supporting member 440 is fixed.

As shown in fig. 5, 8, 9, and 24-26, in order to ensure better waterproof sealing performance, the inner tube 401 of the vibration motor is sleeved with an abutting member 450, and the abutting member 450 is preferably in a boss shape, one side of the abutting member 450 is disposed in the inner tube accommodating cavity 423 to prevent the inner tube sealing member 430 from being removed from the inner tube accommodating cavity 423, and the other side of the abutting member abuts against the supporting member 440.

As shown in fig. 6, 8, 9, 27-29, 33, and 34, the second inner housing 220 is fixedly connected to the first inner housing 200, and has a second inner housing receiving cavity 221, a piston rod hole 222, a first seal groove 223, a second seal groove 224, a second inner housing pipe 226, a second inner housing fixing hole 227, a second inner housing connecting hole 228, and two second inner housing connecting lugs 229, wherein the second inner housing connecting hole 228 is formed on the second inner housing connecting lug 229. The second inner housing receiving cavity 221 receives a transmission bracket 380, the transmission bracket 380 is provided with a gear shaft hole 381, a pumping motor shaft hole 382, a transmission bracket limiting groove 383, a transmission bracket fixing hole 384 and a transmission bracket connecting block 385, and the transmission bracket limiting groove 383 is disposed on the transmission bracket connecting block 385. After the transmission bracket fixing hole 384, the second inner housing fixing hole 227 and the first inner housing connecting hole 209 are aligned, the transmission bracket 380, the second inner housing 220 and the first inner housing 200 can be fixedly connected by screw locking. The transmission bracket connecting block 385 is limited between the two second inner shell connecting lugs 229 so as to realize the limiting and fixing of the transmission bracket 380 and the second inner shell 220; the first inner housing limiting block 206 is limited in the transmission bracket limiting groove 383 to realize the limiting and fixing between the transmission bracket 380 and the first inner housing 200. A main seal ring 225 is disposed in the first seal groove 223, and the main seal ring 225 abuts against the inner wall of the first casing 100.

The pumping motor 370 is fixedly connected with the transmission bracket 380, the pumping motor shaft 371 passes through the pumping motor shaft hole 382, the first bevel gear 372 is fixedly connected with the front end of the pumping motor shaft 371, the gear shaft 374 is installed at the gear shaft hole 381, the second bevel gear 373 in gear engagement with the first bevel gear 372 is sleeved on the gear shaft 374, the annular end 278 of the piston rod 276 is placed in the second inner housing accommodating cavity 221 and sleeved on the eccentric ring of the second bevel gear 373, the spherical end 279 of the piston rod 276 extends out of the piston rod hole 222 and is fixedly connected with the piston 275, and the structure can convert the rotary motion of the pumping motor 370 into the linear reciprocating motion of the piston 275.

As shown in fig. 6, 8, 9, 28, and 29, the pump seal 280 has a pump seal first end 281 and a pump seal second end 282, the pump seal first end 281 being disposed in the second seal groove 224, and the pump seal second end 282 being disposed in the pump seal groove 277 of the piston rod 276.

As shown in fig. 7-9, 14, 39 and 40, the third inner housing 230 is disposed in a through space 159 defined by the inner wall 142 of the tank, and has an upper end fixedly connected to the first housing 100. The third inner housing 230 is provided with a third inner housing receiving cavity 231, a third inner housing catch 232, a third inner housing fixing hole 233, and a third inner housing connecting hole 234. The third inner housing fixing hole 233 and the first housing fixing hole 113 are fastened by screws to fixedly couple the third inner housing 230 and the first housing 100.

As shown in fig. 6, 8, 9, 27, 28, 29, 35, and 36, the fourth inner housing 240 is disposed inside the third inner housing accommodating chamber 231, and has an upper end fixedly connected to the second inner housing 220 and a lower end fixedly connected to the third inner housing 230. The fourth inner case 240 is provided with a fourth inner case receiving cavity 241, a pump body receiving space 242, a leakage hole 243, a fourth inner case fixing hole 244, a fourth inner case coupling hole 245, and a fourth inner case mounting hole 246. The fourth inner housing fixing hole 244 and the second inner housing connecting hole 228 are locked by screws, so that the fourth inner housing 240 and the second inner housing 220 are fixedly connected, one end of the second inner housing 220, which is provided with the piston rod hole 222, and the end of the piston cavity 272 are arranged in the fourth inner housing accommodating cavity 241, the first end 281 of the pump sealing element arranged in the second sealing groove 224 is abutted to the inner wall of the fourth inner housing accommodating cavity 241, so that a waterproof sealing structure of the second inner housing 220 and the fourth inner housing 240 is formed, and water leaked from the piston 275 is prevented from entering the second inner housing 220. The fourth inner housing coupling hole 245 and the third inner housing coupling hole 234 are fastened by a screw to fixedly couple the fourth inner housing 240 and the third inner housing 230. The liquid leakage hole 243 is communicated with the fourth inner housing accommodating chamber 241, and the water leaked from the piston 275 can flow out of the fourth inner housing accommodating chamber 241 through the liquid leakage hole 243, but the liquid leakage hole 243 in this embodiment can be a pipeline extending outward and communicating with the fourth inner housing accommodating chamber 241, so that it is the claimed concept of the present invention as long as a hole communicating with the fourth inner housing accommodating chamber 241 is provided, regardless of whether the hole extends outward and is provided with a pipeline.

As shown in fig. 2, 7-9, 14, 15, 25, 26, 41 and 42, the fifth inner housing 250 is disposed in a through space 159 defined by the inner wall 142 of the tank, and the upper end thereof is fixedly connected to the third inner housing 230. The fifth inner housing 250 has a fifth inner housing hook 251, a fifth inner housing through hole 252, an electrode receiving cavity 253, a locking groove 254, and a sealing plug limiting hole 255. The fifth inner housing hook 251 is connected with the third inner housing buckle 232 in a buckling manner, so that the fifth inner housing 250 can be fixedly connected with the third inner housing 230. An electrode post 661 is disposed in the electrode receiving cavity 253, the electrode post 661 is electrically connected to the printed circuit board 640 via an electrical lead 662, and the battery 660 disposed in the battery receiving cavity 202 is electrically connected to the printed circuit board 640. The electrode sealing plug 260 is buckled in the electrode receiving cavity 253, and the sealing plug stopper 261 is inserted into the sealing plug stopper hole 255 to limit the electrode sealing plug 260 from being separated from the fifth inner housing 250. The second bottom cover locking member 180 may be inserted into the locking groove 254 to achieve locking fixation of the reservoir 140 and the fifth inner housing 250.

As shown in fig. 6, 7-9, 28, 29, 37 and 38, the pump housing 271 is disposed inside the third inner housing 230, and is fixedly connected to the fourth inner housing 240, and a part of the pump housing 271 is disposed in the pump body accommodating space 242. The pump housing 271 is provided with a piston chamber 272, an inlet chamber 273, an outlet chamber 274, and a pump housing fixing hole 270. A piston 275 attached to a piston rod 276 is disposed within the piston chamber 272. The liquid inlet cavity 273 is provided with a liquid inlet end cover 295, and the liquid inlet end cover 295 is provided with a liquid inlet port 296. A liquid outlet end cover 290 is arranged at the liquid outlet cavity 274, the liquid outlet end cover 290 is provided with a liquid outlet port 291 and a switching pipeline 292, the liquid outlet port 291 is communicated with the first connecting pipeline 460, one end of the switching pipeline 292 is communicated with the liquid inlet port 296 in a fluid mode, and the other end of the switching pipeline 292 penetrates through the fifth inner shell through hole 252 and the liquid storage box inner hole 144 and is communicated with the liquid absorption component 300 in a fluid mode. The pump housing fixing hole 270 and the fourth housing mounting hole 246 are locked by screws to fixedly connect the pump housing 271 and the fourth housing 240.

As shown in FIGS. 7-9 and 44, liquid absorbing member 300 is disposed within reservoir 140 and defines a liquid absorbing member seal channel 301, a connecting end 304 and a free end 305. A first fluid absorbent member seal 302 is disposed within fluid absorbent member seal channel 301, a connecting end 304 is disposed within annular wall 158, an end of transfer line 292 extending through tank bore 144 is fluidly connected to connecting end 304, and a second fluid absorbent member seal 303 is disposed about transfer line 292 with free end 305 extending from side opening 148 and disposed at the bottom of tank 140. The double-layer sealing structure can prevent liquid in the liquid storage tank 140 from leaking from the liquid storage tank inner hole 144 as much as possible, and can realize the sealing communication between the connecting end 304 and the adapting pipeline 292.

As shown in fig. 5, 6, 8 and 9, two ends of the first connecting pipeline 460 are respectively in fluid communication with the communication liquid outlet port 291 and the lower end of the second inner casing pipeline 226, and two ends of the second connecting pipeline 480 are respectively in fluid communication with the upper end of the second inner casing pipeline 226 and the inner pipe connector liquid inlet 421.

As shown in fig. 8, 9 and 59, a housing connection ring 520 is sleeved on the upper end of the first inner housing 200, which is connected to the vibration motor housing 210 in a snap-fit manner, the housing connection ring 520 is preferably made of rubber with a vibration damping function, and is provided with at least one connection ring outer groove 521 (preferably two in this embodiment) and two connection ring inner grooves 522, the connection outer groove 521 is connected to the first inner housing protrusion 104 in a fitting manner, and the two connection ring inner grooves 522 are respectively connected to the first inner housing protrusion 205 and the vibration motor housing protrusion 211 in a fitting manner.

As shown in fig. 4, 8, 9, 57 and 58, the top sealing member 500 is disposed between the first casing 100 and the first inner casing 200, and has an inner tube receiving through hole 501 and a top protrusion receiving cavity 502, the inner tube 401 of the vibration motor passes through the inner tube receiving through hole 501, and the top protrusion receiving cavity 502 is disposed on the top protrusion 204 of the first inner casing.

As shown in fig. 1, 2, 8, 9 and 56, the decoration ring 540 is fixedly connected to the first casing 100, and has a decoration ring clip groove 541, and the decoration ring clip groove 541 is engaged with the first casing side plate 112.

As shown in fig. 1, 5, 8-10, 60, 61, the panel 580 and the panel decoration ring 600 are fixedly disposed in the panel groove 114, and the panel 580 is provided with a first key hole 581, a second key hole 582, and a panel indicator light hole 583. The printed circuit board 640 is fixedly connected to the first inner housing 200 and the vibration motor housing 210, and includes a first key contact 641, a second key contact 642, and an indicator light 643. The first key 561 is disposed corresponding to the first key contact 641 and is disposed in the first key hole 581, and the second key 562 is disposed corresponding to the second key contact 642 and is disposed in the second key hole 582.

Fig. 30-32 illustrate another embodiment of a pump seal configuration. In this embodiment, the piston 730 is provided with a pump seal groove 731, and the pump seal second end 722 is disposed in the pump seal groove 731, with the other structure being the same as that of the above-described embodiment.

Specifically, as shown in fig. 30 to 32, the second inner housing 710 is provided with a second inner housing accommodating chamber 711, a piston rod hole 712, a first seal groove 713, and a second seal groove 714. The second inner housing receiving cavity 711 receives a transmission bracket 770, and the transmission bracket 770 is provided with a gear shaft hole 771, a pumping motor shaft hole 772, a transmission bracket limiting groove 773, and a transmission bracket connecting block 774.

The pumping motor 700 is fixedly connected with the transmission bracket 770, the pumping motor shaft 701 passes through the pumping motor shaft hole 772, the first bevel gear 702 is fixedly connected with the front end of the pumping motor shaft 701, the gear shaft 704 is installed at the gear shaft hole 771, the second bevel gear 703 meshed with the first bevel gear 702 is sleeved on the gear shaft 704, the annular end 741 of the piston rod 740 is arranged in the second inner housing accommodating cavity 711 and sleeved on the eccentric ring of the second bevel gear 703, and the spherical end 742 of the piston rod 740 extends out of the piston rod hole 712 and is connected with the piston 730.

The pump seal 720 has a pump seal first end 721 and a pump seal second end 722, the pump seal first end 721 is disposed in the second seal groove 714, and the pump seal second end 722 is disposed in the pump seal groove 731 of the piston 730.

The upper end of the fourth inner housing 760 is fixedly connected to the second inner housing 710, and the fourth inner housing 760 has a fourth inner housing accommodating cavity 761, a pump body accommodating space 762, and a leakage hole 763. The end of the second inner housing 710 having the piston rod hole 712 is disposed in the fourth inner housing receiving chamber 761, and the first end 721 of the pump sealing member disposed in the second sealing groove 714 abuts against the inner wall of the fourth inner housing receiving chamber 761, so as to form a waterproof sealing structure between the second inner housing 710 and the fourth inner housing 760, thereby preventing water leaking from the piston 730 from entering the second inner housing 710. The leakage hole 763 is communicated with the fourth inner housing accommodating cavity 761, and water leaked from the piston 730 can flow out of the fourth inner housing accommodating cavity 761 through the leakage hole 763.

The pump housing 750 is fixedly connected to the fourth inner housing 760, and has a piston cavity 751, an inlet cavity 752, and an outlet cavity 753. Piston 730 is disposed at one end within piston cavity 751.

As shown in fig. 62 and 63, in the present embodiment, the oral cleaning device vibration motor 400 and the pumping motor 370 are respectively placed on different sections i and ii along the vertical direction Y, and the axes of the vibration motor inner tube 401 and the pumping motor shaft 371 of the pumping motor 370 are both vertical. Preferably, the pump housing 271 is also placed in a vertical direction on a different section iii from the vibration motor 400 and the pumping motor 370, and the axis of the piston cavity 272 is also the same as the vibration motor inner tube 401 and the pumping motor shaft 371, both in the vertical direction Y. The axes of the vibration motor inner tube 401, the pumping motor shaft 371, and the piston cavity 272 are shown in phantom in fig. 62 and 63. It should be noted that the housing of the oral cleaning device extends in a vertical direction and is substantially cylindrical, and the axes of the vibrating motor inner tube 401, the pumping motor shaft 371, and the piston cavity 272 are all in a vertical direction Y, but are not required to be in an absolutely identical, non-deviating vertical direction, and should be understood as being substantially the same as the direction in which the housing of the oral cleaning device extends, i.e., substantially in a vertical direction.

The vibrating motor 400, the pumping motor 370 and the pump housing 271 are large-volume parts in the oral cleaning device, and the three parts are respectively placed in different sections I, II and III, so that the situation that the oral cleaning device is too wide in the transverse direction X due to the fact that any two parts are placed side by side in the vertical direction Y can be avoided, and the oral cleaning device can be conveniently grasped and attractive in appearance when being used due to the fact that the parts are placed in different sections. In different embodiments, the positions of the pumping motor 370 and the pump housing 271 may be interchanged, i.e. the pumping motor 370 is located in section iii and the pump housing 271 is located in section ii, only ensuring that they are located in different sections. By "different sections" is meant sections divided in the vertical direction Y, different sections meaning that there is no overlap with each other as seen in the transverse plane direction X.

In addition, all place the axis of vibration motor inner tube 401, pumping motor shaft 371 and piston chamber 272 along vertical direction, can further make oral cavity cleaning device less at the width of horizontal direction X, structural configuration is reasonable, and the gripping of being convenient for, the appearance is pleasing to the eye, can give the user good use experience.

As shown in fig. 62 and 63, the vibration motor 400, the pumping motor 370, and the pump housing 271 are respectively disposed in different sections i, ii, and iii, and the components inside the oral cleaning device are in a shape of a slender cylinder, so that the structure and position of the liquid storage tank should satisfy both the requirements of compactness and beauty, and a large capacity, and the liquid storage tank should have an excellent sealing property to prevent liquid from entering into electric components such as the motor.

In this embodiment, the liquid storage structure includes a liquid storage tank 140, the liquid storage tank 140 has a liquid storage tank outer wall 141, a liquid storage tank inner wall 142 and a liquid storage tank bottom shell 143, the liquid storage tank outer wall 141, the liquid storage tank inner wall 142 and the liquid storage tank bottom shell 143 enclose a liquid storage space 145, the liquid storage tank inner wall 142 is provided with a liquid storage tank inner hole 144 in fluid communication with the liquid storage space 145, and the liquid storage tank inner wall 142 encloses a through space 159 penetrating through to the liquid storage tank bottom shell 143. The outer wall 141 of the liquid storage tank can be designed according to the requirement while ensuring larger liquid storage capacity, and the practicability and the attractiveness are both considered; the through space 159 surrounded by the inner wall 142 of the liquid storage tank is provided with an inner shell of the oral cavity cleaning device (such as the third inner shell 230 and the fifth inner shell 250 in the embodiment), and then other components of the oral cavity cleaning device are accommodated, and the through structure can be used for arranging a charging structure (including a plug type and a wireless type) at the bottom of the oral cavity cleaning device.

As shown in fig. 8, 9, 25 and 26, during the operation of the vibration motor 400, the vibration of the brush head 310 is driven by the vibration motor inner tube 401, the vibration motor inner tube 401 is in fluid communication with the pump through a pipeline (in this embodiment, the vibration motor inner tube 401 is in fluid communication with the pump through the second connecting pipeline 480 and the first connecting pipeline 460), and the connection between the vibration motor inner tube 401 and the pipeline needs to ensure the stability of the connection and avoid excessive vibration transmission to the pipeline. In this embodiment, the pipe connection structure at the end of the inner pipe of the vibration motor includes a first inner casing 200, the vibration motor 400, an inner pipe connector 420 and an inner pipe sealing member 430, the vibration motor 400 is arranged in the vibration motor accommodating cavity 201 of the first inner casing 200, the inner pipe 401 of the vibration motor 400 has an inner pipe liquid inlet end 402, the inner pipe connector 420 fixedly connected with the first inner casing 200 is provided with an inner pipe accommodating cavity 423, the inner pipe liquid inlet end 402 is arranged in the inner pipe accommodating cavity 423, and the inner pipe liquid inlet end 402 is sleeved with the inner pipe sealing member 430. The pipe connection structure in this embodiment can stably connect the vibration motor inner pipe 401 and the second connection pipe 480, and the inner pipe sealing member 430 can reduce the vibration transmitted from the vibration motor inner pipe 401 to the second connection pipe 480 while providing a sealing effect.

As shown in fig. 8, 9, 28, and 29, in the present embodiment, the pump sealing structure includes a pump housing 271, a piston 275, a piston rod 276, a second inner housing 220, and a pump seal 280, wherein the pump seal 280 has a pump seal first end 281 and a pump seal second end 282, the pump seal first end 281 is disposed in the second sealing groove 224 of the second inner housing 220, and the pump seal second end 282 is disposed in the pump sealing groove 277 of the piston rod 276. The pump sealing structure can carry out waterproof sealing to the pump, avoids in the liquid that spills from the clearance between piston and the pump casing gets into other electrical components such as pumping motor in the piston is at the motion process.

Fig. 30-32 illustrate another embodiment of a pump seal structure that includes a pump housing 750, a piston 730, a piston rod 740, a second inner housing 710, and a pump seal 720, the pump seal 720 having a pump seal first end 721 and a pump seal second end 722, the pump seal first end 721 being disposed within the second seal groove 714 of the second inner housing 710, the pump seal second end 722 being disposed within the pump seal groove 731 of the piston 730. This embodiment is different from the above embodiments in that the pump sealing groove is disposed above the piston, which also achieves the effect of waterproof sealing of the pump.

In particular, the oral cavity cleaning device in the present embodiment has dual functions of an electric toothbrush and a tooth rinsing device, and the pump sealing structure may be used in the oral cavity cleaning device in the present embodiment, or may be used in the tooth rinsing device alone, without being limited to the present embodiment.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims (28)

1. A pipe connection structure characterized in that: including first interior casing, vibrating motor, inner tube connecting piece and inner tube sealing member, first interior casing is equipped with vibrating motor holding chamber, vibrating motor arranges in vibrating motor holding intracavity, vibrating motor has the vibrating motor inner tube, the vibrating motor inner tube has the inner tube feed liquor end, inner tube connecting piece with first interior casing fixed connection, inner tube connecting piece is equipped with inner tube holding chamber, the inner tube feed liquor end is arranged in the inner tube holding chamber, inner tube feed liquor pot head is equipped with inner tube sealing member.

2. The piping connection structure as claimed in claim 1, wherein: the inner sleeve of the vibration motor is provided with an abutting component.

3. The piping connection structure as claimed in claim 2, wherein: the abutting component is in a boss shape, and one side of the abutting component is arranged in the inner tube accommodating cavity.

4. The piping connection structure as claimed in claim 1, wherein: the vibration motor is characterized by further comprising a vibration motor shell, wherein the first inner shell and the vibration motor shell are fixedly connected in a buckling mode so that the vibration motor is fixed in the vibration motor accommodating cavity.

5. The piping connection structure as claimed in claim 4, wherein: the vibration motor is provided with a vibration motor protruding portion, a supporting piece is arranged between the first inner shell and the vibration motor shell, the supporting piece is provided with a motor placing groove, and the vibration motor protruding portion is contained in the motor placing groove.

6. The piping connection structure as claimed in claim 5, wherein: the support piece is further provided with an inner tube placing groove, and the inner tube of the vibration motor penetrates through the inner tube placing groove.

7. The piping connection structure as claimed in claim 4, wherein: and a shell connecting ring is sleeved at the upper end of the first inner shell, which is buckled and connected with the vibration motor shell.

8. The piping connection structure as claimed in claim 1, wherein: the cross section of the inner pipe sealing element is V-shaped.

9. The piping connection structure as claimed in claim 1, wherein: first interior casing is equipped with first interior casing fixed orifices, the union coupling spare is equipped with union coupling spare side ear, union coupling spare side ear is equipped with union coupling spare side opening, union coupling spare side opening with first interior casing fixed orifices passes through screw fixed connection.

10. The utility model provides an oral cleaning device, includes the brush head, the brush head including brush head body and link firmly in brush hair of brush head body upper end, its characterized in that still includes: a liquid storage tank, a pump, a pumping motor and the pipeline connecting structure according to any one of claims 1 to 9, wherein a brush head top end hole which is communicated with the brush head pipeline in a fluid mode is arranged at the upper end of the brush head body, the inner pipe of the vibration motor is communicated with the pump in a fluid mode, the liquid outlet end of the inner pipe of the vibration motor is contained in the brush head pipeline, and the pump drives the liquid of the liquid storage tank to flow to the brush head top end hole through the inner pipe connecting piece, the inner pipe of the vibration motor and the brush head pipeline under the driving action of the pumping motor.

11. The oral cleaning apparatus of claim 10, wherein: the vibration motor and the pumping motor are placed on different sections along the vertical direction, and the axes of the vibration motor inner pipe and the pumping motor shaft of the pumping motor are both in the vertical direction.

12. The oral cleaning apparatus of claim 11, wherein: the pump comprises a pump housing and a piston, wherein the pump housing is provided with a piston cavity for placing the piston, the pump housing is placed on a section different from the vibration motor and the pumping motor in the vertical direction, and the axis of the piston cavity is also in the vertical direction.

13. The oral cleaning apparatus of claim 10, wherein: the first inner shell is further provided with a pumping motor accommodating cavity, and the pumping motor is placed in the pumping motor accommodating cavity.

14. The oral cleaning apparatus of claim 13, wherein: still include with first interior casing fixed connection's second interior casing, the second is interior casing holding chamber, piston rod hole in the casing is equipped with second, be provided with drive support, first bevel gear, second bevel gear in the second interior casing holding intracavity, drive support with second interior casing fixed connection, the last gear shaft that installs of drive support, the pumping motor has the pumping motor axle, first bevel gear fixed connection in the front end of pumping motor axle, with first bevel gear meshing the second bevel gear cover is located on the gear shaft, the pump includes pump casing, piston and piston rod, the piston rod is followed the one end that the piston rod hole stretches out with the piston links to each other, and other pot head is located on the eccentric ring of second bevel gear.

15. The oral cleaning apparatus of claim 14, wherein: the first inner shell is provided with a first inner shell connecting hole, the second inner shell is provided with a second inner shell fixing hole, the transmission support is provided with a transmission support fixing hole, and the first inner shell connecting hole, the second inner shell fixing hole and the transmission support fixing hole are locked through screws.

16. The oral cleaning apparatus of claim 15, wherein: the second inner shell is provided with two second inner shell connecting lugs, the second inner shell fixing hole is formed in the second inner shell connecting lugs, the transmission support is provided with a transmission support connecting block, and the transmission support connecting block is limited between the two second inner shell connecting lugs.

17. The oral cleaning apparatus of claim 16, wherein: the first inner shell is provided with a first inner shell limiting block, the transmission support connecting block is provided with a transmission support limiting groove, and the first inner shell limiting block is arranged in the transmission support limiting groove.

18. The oral cleaning apparatus of claim 14, wherein: still include first connecting line, second connecting line and with the inner tube connecting piece of vibrating motor inner tube intercommunication, the interior casing of second is equipped with the interior casing pipeline of second, the pump casing is equipped with the feed liquor chamber and goes out the liquid chamber, feed liquor chamber department is equipped with the feed liquor end cover, the feed liquor end cover is equipped with the feed liquor port, it is equipped with out the liquid end cover to go out liquid chamber department, it is equipped with out the liquid port to go out the liquid end cover, first connecting line both ends communicate respectively go out the liquid port with the interior casing pipeline lower extreme of second, second connecting line both ends communicate respectively the second interior casing pipeline upper end with inner tube connecting piece's inner tube connecting piece feed liquor end.

19. The oral cleaning apparatus of claim 14, wherein: the vibration motor is characterized by further comprising a first shell arranged above the liquid storage tank, and the first inner shell and the vibration motor are arranged in the first shell.

20. The oral cleaning apparatus of claim 19, wherein: the second inner shell is provided with a first sealing groove, a main sealing ring is arranged in the first sealing groove, and the main sealing ring is tightly abutted to the inner wall of the first shell.

21. The oral cleaning apparatus of claim 19, wherein: the device also comprises a second shell which is arranged above the first shell and is fixedly connected with the first shell.

22. The oral cleaning apparatus of claim 19, wherein: still including arranging in first casing with the top sealing member between the first interior casing, the top sealing member is equipped with inner tube holding through-hole and top protruding holding chamber, the vibration motor inner tube passes inner tube holding through-hole, top protruding holding chamber cover is located on the first interior casing top of first interior casing is protruding.

23. The oral cleaning apparatus of claim 19, wherein: still include the third interior casing, third interior casing upper end with first casing fixed connection, the third interior casing is equipped with third interior casing holding chamber, the pump is arranged in the third interior casing holding chamber.

24. The oral cleaning apparatus of claim 23, wherein: the electrode assembly is characterized by further comprising a fifth inner shell, the upper end of the fifth inner shell is fixedly connected with the third inner shell, the fifth inner shell is provided with an electrode containing cavity, an electrode column is arranged in the electrode containing cavity, and the electrode column is electrically connected with the printed circuit board.

25. The oral cleaning apparatus of claim 10, wherein: the toothbrush head comprises a toothbrush head body and is characterized by further comprising a toothbrush head first connecting piece arranged in the toothbrush head pipeline, wherein the toothbrush head first connecting piece is provided with a first connecting hole, a first connecting outer plane and a first connecting inner plane, the liquid outlet end of an inner tube of the vibrating motor inner tube is arranged in the first connecting hole, the first connecting outer plane is matched with the inner tube wall of the toothbrush head body, and the first connecting inner plane is matched with the outer plane of the inner tube of the vibrating motor inner tube.

26. The oral cleaning apparatus of claim 10, wherein: still including arranging in brush first second connecting piece in the first pipeline of brush, brush first second connecting piece is equipped with second connecting hole, second connecting piece side arch, second connecting piece and erects the groove and the second connecting piece is interior protruding, the vibrating motor inner tube passes the second connecting hole, second connecting piece side arch with the side opening cooperation is connected to the brush head of brush head body, the second connect erect the groove with the first protruding cooperation of brush head inner tube of brush head body is connected, protruding with the inner tube annular cooperation of vibrating motor inner tube is connected in the second connecting piece.

27. The oral cleaning apparatus of claim 10, wherein: the toothbrush head sealing element is arranged between the first connecting piece of the toothbrush head and the second connecting piece of the toothbrush head.

28. The oral cleaning apparatus of claim 27, wherein: the brush head sealing element is provided with a sealing element outer wall and a sealing element inner wall, and the cross section of the sealing element is V-shaped.

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