CN214017924U - Inner shell structure and oral cavity cleaning device - Google Patents

Abstract

The utility model discloses an inner shell structure, including inner shell body, interior epitheca and interior epitheca, the inner shell body is equipped with the first holding chamber of inner shell body and the inner shell body second holding chamber that communicate each other, and the inner shell body is equipped with the first open end of inner shell body and inner shell body third open end, and interior epitheca is detained and is located the first open end of inner shell body, and interior epitheca is detained and is located inner shell body third open end. The utility model also discloses an oral cavity belt cleaning device, including circuit board, battery, motor, pump, storage water tank, spray tube and as above inner shell structure. The inner shell structure and the oral cavity cleaning device of the utility model have good waterproof sealing function, and can avoid the contact of the battery, the circuit board and the motor with water; meanwhile, the inner shell structure, the circuit board, the battery and the motor adopt an internal integral structure design, so that the motor can adapt to different outer shell structure designs, and the production cost of product appearance updating is greatly reduced.

Description

Inner shell structure and oral cavity cleaning device

Technical Field

The utility model relates to a clean tooth technical field especially relates to an inner shell structure and oral cavity belt cleaning device.

Background

In the prior art, a portable dental irrigator (also called "flossing") includes a housing, a pump, a water storage tank, a control circuit board, a battery, a motor and a nozzle, wherein the battery is used for supplying power to the control circuit board and the motor, the pump is usually a piston pump, and the motor drives a piston in the piston pump to reciprocate through a transmission member, so as to eject water in the water storage tank from a sharp-mouth end of the nozzle in a pulse water flow manner, thereby cleaning teeth, crevices between teeth, gums or tongues.

The pump, the control circuit board, the battery and the motor are all arranged in the accommodating cavity surrounded by the shell, water can leak from the pump during normal operation, and the battery, the control circuit board, the motor and other parts can be damaged when contacting water. In order to solve the problems, the prior art basically carries out waterproof sealing treatment on the pump, but the leakage risk still exists. In addition, the water storage tank of the portable tooth flushing device can be filled with water normally under the non-detached state, when a user injects water into the water storage tank, the shell is basically and inevitably wetted, if the shell is sealed in a waterproof way, water can be contacted with a battery, a control circuit board, a motor and other parts, and then the tooth flushing device is damaged. In order to effectively prevent water from being applied to components such as a battery, a control circuit board, and a motor, it is preferable to seal the components individually.

Therefore, there is a need for an inner shell structure and an oral cavity cleaning device with good waterproof sealing function, which can prevent the battery, the circuit board and the motor from contacting with water.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an inner shell structure and oral cavity belt cleaning device with good waterproof sealing function is provided, battery, circuit board, motor and water contact can be avoided.

In order to solve the technical problem, the utility model provides an inner shell structure, including inner shell body, interior epitheca and interior epitheca, the inner shell body is equipped with the first holding chamber of inner shell body and the inner shell body second holding chamber of mutual intercommunication, and the inner shell body is equipped with the first open end of inner shell body and inner shell body third open end, and interior epitheca is detained and is located the first open end of inner shell body, and interior epitheca is detained and is located inner shell body third open end.

The utility model also provides an oral cavity belt cleaning device, including circuit board, battery, motor, pump, storage water tank, spray tube and as above inner shell structure, the circuit board is connected with the battery electricity, and the battery provides the electric energy for the motor, and the motor drive pump operation, the pump provide drive power make the water in the storage water tank spout from the spray tube, the first holding intracavity of inner shell body is arranged in to the motor, inner shell body second holding intracavity is arranged in to circuit board, battery.

The utility model has the advantages that:

the utility model discloses inner shell structure's inner shell body is equipped with the first holding chamber of inner shell body and inner shell body second holding chamber for place circuit board, battery, motor, the inner shell body is equipped with the first open end of inner shell body and inner shell body third opening end, and the assembly of the circuit board of being convenient for, battery, motor is detained and is located the interior epitheca and the interior epitheca that the first open end of inner shell body and inner shell body third opening end and can make inner shell structure possess good waterproof sealing function.

The battery, the circuit board and the motor of the oral cavity cleaning device are all arranged in the inner shell with the waterproof sealing function, when the pump normally works, even if water leaks, the water is only leaked out of the inner shell body, and the battery, the circuit board and the motor can be effectively prevented from contacting with the water; in addition, when a user injects water into the water storage tank, the waterproof sealing function of the inner shell structure can also prevent the battery, the circuit board and the motor from contacting with water.

In addition, the circuit board, the battery, the motor and the inner shell structure adopt an internal integral structural design, and even if the product appearance is innovatively designed, the structural design for mounting parts such as the internal motor, the battery and the circuit board is not needed again, so that the production cost for updating the product appearance can be greatly reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of an oral cavity cleaning device.

Fig. 2 is an exploded view of the oral cleaning device.

Fig. 3 is a schematic view of another angle exploded structure of the oral cavity cleaning device.

Fig. 4 is a front view of the oral cleaning device.

Figure 5 is a schematic cross-sectional view of the oral cleaning device shown in figure 4 taken along plane a-a.

Fig. 6 is a partial enlarged view of the point i shown in fig. 5.

Fig. 7 is a partial enlarged view of fig. 5 at point ii.

FIG. 8 is an enlarged view of a portion of FIG. 5 at III.

FIG. 9 is a partial enlarged view of the area IV shown in FIG. 5.

Fig. 10 is a right side view of the oral cleaning device.

Figure 11 is a schematic cross-sectional view of the oral cleaning device of figure 10 taken along plane B-B.

Fig. 12 is a partial enlarged view of v in fig. 11.

FIG. 13 is an enlarged view of a portion VI shown in FIG. 11.

FIG. 14 is an enlarged fragmentary view of region VII of FIG. 11.

Fig. 15 is a schematic view of the overall structure of the housing body of the oral cleaning device.

Figure 16 is a schematic view of another angle of the overall configuration of the housing body of the oral cleaning device.

Figure 17 is a cross-sectional view of the housing body of the oral cleaning device.

Figure 18 is a cross-sectional view of another plane of the housing body of the oral cleaning device.

Fig. 19 is a schematic view of the overall construction of the inner housing body of the oral cavity cleaning device.

Fig. 20 is a schematic view of an alternative angle of the overall construction of the inner housing body of the oral cavity cleaning device.

Fig. 21 is a schematic view of an angled overall configuration of the inner housing body of the oral cleaning device.

Figure 22 is a cross-sectional view of the inner housing body of the oral cleaning device.

Fig. 23 is a schematic view of the overall structure of the water storage tank of the oral cavity cleaning device.

Figure 24 is a cross-sectional view of the water storage tank of the oral cleaning device.

Fig. 25 is a schematic view showing the whole structure of the side wall of the water storage tank of the oral cavity cleaning device.

Fig. 26 is a schematic view of the overall structure of the water storage tank bottom shell of the oral cavity cleaning device.

Fig. 27 is a schematic view of the whole structure of the water storage tank cover of the oral cavity cleaning device.

Fig. 28 is a schematic view of the overall structure of the inner bottom shell of the oral cavity cleaning device.

Fig. 29 is a schematic view showing the entire construction of the inner top case of the oral cavity cleaning device.

Fig. 30 is a schematic view of another angle of the overall structure of the inner top shell of the oral cavity cleaning device.

Fig. 31 is a schematic view showing the entire structure of the outer top case of the oral cavity cleaning device.

Fig. 32 is a schematic view of the entire structure of the pump body of the oral cavity cleaning device.

Fig. 33 is a cross-sectional view of the pump body of the oral cleaning device.

Fig. 34 is a schematic view showing the overall structure of the water inlet member of the oral cavity cleaning device.

Figure 35 is a cross-sectional view of the water intake member of the oral cleaning device.

Fig. 36 is a schematic view of the entire structure of a carrier of the oral cavity cleaning device.

Fig. 37 is a schematic view showing the overall structure of a link of the oral cavity cleaning device.

Fig. 38 is a schematic view of the overall structure of the first pump housing of the oral cavity cleaning device.

Fig. 39 is a cross-sectional view of a first pump housing of the oral cleaning device.

Fig. 40 is a schematic view showing a state of use of the oral cavity cleaning device.

Fig. 41 is a schematic view showing the overall structure of another embodiment of the oral cavity cleaning device.

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 explain 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.

The positional expressions in the present invention are not limited to absolute orientations, but are used to explain the positional relationship between the members by describing the connection relationships between the members with reference to 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 passage structure.

As shown in fig. 1-3, 23 and 24, the oral cleaning device includes an outer housing, an inner housing, a water storage tank 280, a pump, a motor 150, a battery 400, a circuit board 402, and a spout 414. The circuit board 402 is electrically connected to the battery 400, the battery 400 provides electric power to the motor 150, the motor 150 drives the pump to operate, the pump provides driving force to make water in the water storage tank 280 be sprayed out from the tip end of the spray pipe 414, the inner housing is disposed in the outer housing, the inner housing has a separate waterproof accommodating space, the circuit board 402, the battery 400 and the motor 150 are disposed in the waterproof accommodating space of the inner housing, and the part of the pump contacting with water during operation is disposed in the space between the inner housing and the outer housing.

In particular, the inner and outer double-layer housing structures of the oral cavity cleaning device are designed to isolate the circuit board 402, the battery 400 and the motor 150, which need to be waterproof, from water, and in different embodiments, the pump structure is different, and for this embodiment, the pump is a piston pump structure, and the piston pump is generally considered to include the pump body 162, the piston 172 and the connecting rod 174, where the "portion in contact with water during the pump operation" refers to the pump body 162 and the piston 172 directly contacting with water during the operation, and the connecting rod 174 not directly contacting with water during the normal operation is disposed inside the inner housing body 122 at one end and extends out from the inner housing body 122 and is connected with the piston 172 at the other end, so that the structure included in the "portion in contact with water during the pump operation" is different depending on the other types of pumps. However, in different embodiments, the specific structure of the "portion in contact with water when the pump is operated" can be specified by confirming whether the "portion is in direct contact with water when the pump is operated".

To the understanding that "inside casing has solitary waterproof accommodation space", alone "means that rely on inside casing self can enclose out independent space, need not to form waterproof space with outside casing lock, and inside casing has independent waterproof leakproofness for outside casing, just so can make oral cavity cleaning device have good waterproof sealing performance and be convenient for the renewal of outside casing.

As shown in fig. 2 to 9, 11 to 18, the outer case includes an outer case body 102 and an outer top case 350.

As shown in fig. 15-18, the housing body 102 has a housing body first open end 104, a housing body second open end 106, and a housing body receiving cavity 108, wherein the inner housing and the pump are disposed in the housing body receiving cavity 108.

The casing body 102 is provided with a casing body convex buckling position 114 at a position close to the casing body first opening end 104, as shown in fig. 31, the outer top casing 350 is provided with an outer top casing concave buckling position 356 at an inner surface thereof, and the casing body convex buckling position 114 and the outer top casing concave buckling position 356 are buckled to fixedly connect the casing body 102 and the outer top casing 350, so as to form a relatively airtight accommodating space.

The outer surface of the housing body 102 is provided with a first housing body limiting portion 110 and a second housing body limiting portion 112 for limiting the extension and retraction displacement of the water storage tank 280. A casing body sealing groove 116 is formed in the outer surface of the part close to the second casing body opening end 106, and a casing body sealing ring 118 is arranged in the casing body sealing groove 116, so that the joint of the casing body 102 and the water storage tank side wall 282 can be sealed in a waterproof manner.

As shown in fig. 1, 2, 3, 5, 6, 11, 12, 31, 40, the outer top shell 350 is disposed at the outer shell body first open end 104 of the outer shell body 102 and is provided with a spout through hole 352 for the spout 414 to pass through, a thumb press member through hole 354 for the thumb press member 398 to pass through, the outer top shell female snap 356 matingly coupled with the outer shell body male snap 114 as described above, and an outer top shell stud 358 for fixedly coupling with the inner shell body 122.

It is specifically noted that the structure of the outer casing including the casing body 102 and the outer top casing 350 is a preferred embodiment, but not limited thereto, and in different embodiments, the specific shape and structure of the outer casing may be modified or replaced. For example, after various components are assembled in the shell body, the shell body and the outer top shell can be welded in an ultrasonic mode to form an integrated structure of the outer shell; for another example, the outer casing may be formed by splicing two or more casing parts along a horizontal direction or a vertical direction, and the casing parts may be connected by fixing means such as screws, bonding, welding, etc. to form a relatively closed outer casing.

As shown in fig. 1-9, 11-13, 23-27, and 40, the water storage tank 280 includes a water storage tank sidewall 282, a water storage tank bottom 300, and a water storage tank flap 310.

The storage water tank side wall 282 is provided with a storage water tank side wall first opening end 284 and a storage water tank side wall second opening end 286, the position of the inner surface of the storage water tank side wall 282 close to the storage water tank side wall first opening end 284 is provided with a storage water tank side wall inner limiting part 290, as shown in fig. 15 to 17, when in normal use, the storage water tank side wall inner limiting part 290 is limited between the housing body first limiting part 110 and the housing body second limiting part 112, and further the position limitation when the storage water tank 280 stretches and retracts is realized.

The position of the inner surface of the water storage tank side wall 282 near the second opening end 286 of the water storage tank side wall is provided with a water storage tank side wall concave buckling position 292, the water storage tank bottom shell 300 is provided with a water storage tank bottom shell convex buckling position 304 corresponding to the water storage tank side wall concave buckling position 292, the water storage tank bottom shell 300 and the water storage tank side wall 282 are fixedly connected through the buckling of the water storage tank side wall concave buckling position 292 and the water storage tank bottom shell convex buckling position 304, and then a water storage tank accommodating cavity 288 is formed. In order to ensure good waterproof sealing effect, the water storage tank bottom shell 300 is provided with a water storage tank bottom shell sealing groove 302, and a water storage tank bottom shell sealing ring 306 is sleeved in the water storage tank bottom shell sealing groove 302.

The position of the water storage tank sidewall 282 close to the second opening end 286 of the water storage tank sidewall is further provided with a water storage tank water filling port 294, the position of the water storage tank water filling port 294 is provided with a water storage tank buckle cover 310 hinged with the water storage tank bottom shell 300, the water storage tank buckle cover 310 is provided with a water storage tank buckle cover sealing groove 312, and a water storage tank buckle cover sealing ring 314 is sleeved in the water storage tank buckle cover sealing groove 312. In normal use, the water storage tank 280 can be filled with water after the water storage tank cover 310 is opened.

As shown in fig. 2 to 7, 11 to 13, and 19 to 22, the inner case includes an inner case body 122, an inner top case 340, and an inner bottom case 320.

Inner shell body 122 defines an inner shell body first open end 124, an inner shell body second open end 126, and an inner shell body third open end 128.

The inner housing body 122 further has a first inner housing body accommodating cavity 130 and a second inner housing body accommodating cavity 132 which are communicated with each other, the motor 150 is disposed in the first inner housing body accommodating cavity 130, the battery 400 and the circuit board 402 are disposed in the second inner housing body accommodating cavity 132, and the circuit board groove 136 for disposing the circuit board 402 is disposed in the second inner housing body accommodating cavity 132. The motor lead 154 passes through a position where the inner housing body first receiving chamber 130 and the inner housing body second receiving chamber 132 communicate with each other, for transmitting an electric current required for the operation of the motor 150.

As shown in fig. 19 and 22, the inner case body 122 is provided with an inner case body key hole 138 and an inner case body display hole 140, and with reference to fig. 2 and 3, soft rubber members 410 are provided at the inner case body key hole 138 and the inner case body display hole 140, and the soft rubber members 410 are preferably Thermoplastic elastomers (TPE materials, english full name Thermoplastic elastomers). The circuit board 402 is provided with a switch 404 and an LED lamp bead 406, and a light guide member 408 is further arranged between the soft rubber member 410 and the LED lamp bead 406 and used for guiding light of the LED lamp bead 406. As shown in fig. 15 to 18, the housing body 102 is provided with a key through hole 117 for placing the key 412, and the key 412 is connected to the soft rubber member 410 in an abutting manner.

As shown in fig. 19 to 21 and 31, the inner shell body 122 is provided with inner shell body screw holes 146 aligned with the outer top shell screw posts 358 at the inner shell body first opening end 124, and the inner shell body 122 and the outer top shell 350 can be fixedly connected by screws.

As shown in fig. 2, 3, 5, 6, 11, 12, 19, 22, 29, and 30, the inner top shell 340 is fastened to the first opening end 124 of the inner shell body, the inner top shell 340 is provided with an inner top shell fastener 346, the inner shell body 122 is provided with an inner shell body concave fastening position 148, and the inner top shell fastener 346 is fastened to the inner shell body concave fastening position 148 to fixedly connect the inner top shell 340 and the inner shell body 122. The inner top shell 340 is further provided with an inner top shell sealing groove 348, and an inner top shell sealing ring 349 is sleeved in the inner top shell sealing groove 348.

The upper surface of the inner top shell 340 is provided with an inner top shell convex column 344, the inner top shell convex column 344 is used for sleeving one end of a locking spring 397, the other end of the locking spring 397 abuts against the convex column of the locking member 396, the locking member 396 can move under the pressure of the finger pressing member 398 and the elastic force of the locking spring 397, then the spray pipe 414 is released or locked, and the pressure of the finger pressing member 398 is provided by a user.

As shown in fig. 19 to 22, the inner bottom case 320 is fastened to the third open end 128 of the inner case body, the inner bottom case 320 is provided with an inner bottom case fastener 324, the outer surface of the lower end of the inner case body 122 is provided with an inner case body bottom fastener position 149, and the inner bottom case fastener 324 is fastened to the inner case body bottom fastener position 149 to connect the inner bottom case 320 and the inner case body 122. In addition, the inner bottom case 320 is further provided with a first screw hole 334 of the inner bottom case, the third opening end 128 of the inner case body is provided with a second screw post 144 of the inner case body, and the first screw hole 334 of the inner bottom case is aligned with the second screw post 144 of the inner case body and fixedly connected with the inner case body by screws, so that the inner bottom case 320 and the inner case body 122 can be fixedly connected. The inner case 320 further has an inner case sealing groove 326, and an inner case sealing ring 338 is sleeved in the inner case sealing groove 326.

It is specifically noted that the structure of the inner housing including the inner housing body 122, the inner top housing 340 and the inner bottom housing 320 is a preferred embodiment, but not limited thereto, and in different embodiments, the specific shape and structure of the inner housing may be modified or replaced. For example, after various components are assembled inside the inner body, the inner body can be ultrasonically welded with the inner top shell and the inner bottom shell to realize an integrated structure of the inner shell; for another example, the inner casing may be formed by splicing two or more casing parts along a horizontal direction or a vertical direction, and the casing parts may be connected by fixing means such as screws, bonding, welding, etc., thereby forming the inner casing having a single waterproof accommodating space.

As shown in fig. 2, 3, 5 to 14, 32, 33 and 37, the pump includes a pump body 162, a piston 172 and a connecting rod 174. The pump body 172 has a piston chamber 164, an inlet chamber 166, and an outlet chamber 168, the piston 172 is disposed in the piston chamber 164, the connecting rod 174 has a connecting rod ball end 176 and a connecting rod ring end 178, the connecting rod ball end 176 is connected to the piston 172, and the connecting rod ring end 178 is connected to the second gear 204. In this embodiment, the pump is preferably a piston pump, and in different embodiments, other types of pumps may be used.

As shown in fig. 2 to 7, 11 to 13, 22 and 36, the motor 150, the first gear 202, the second gear 204 and the gear rack 206 are all disposed in the first receiving cavity 130 of the inner housing body, the first gear 202 is fixed on the motor shaft 152 of the motor 150, the second gear 204 is engaged with the first gear 202, the second gear 204 is provided with an eccentric annular column, and the connecting rod annular end 178 is sleeved on the eccentric annular column of the second gear 204. The carrier 206 is provided with a motor shaft through hole 208, a gear shaft fixing hole 210, a carrier first mounting hole 212, and a carrier second mounting hole 214. The motor shaft 152 passes through the motor shaft through hole 208, the gear shaft fixing hole 210 fixes the gear shaft 205, and the second gear 204 is disposed on the gear shaft 205 and rotatable about the gear shaft 205. Screws passing through carrier first mounting holes 212 fixedly connect motor 150 to carrier 206. Referring to fig. 21, the inner shell body third screw column 145 is disposed in the inner shell body first receiving cavity 130 of the inner shell body 122, the gear rack second mounting hole 214 is aligned with the inner shell body third screw column 145, and the inner shell body 122 and the gear rack 206 are fixedly connected by screws.

As shown in fig. 2, 3, 11, 14, 32-35, a water inlet member 220 is disposed at the water inlet cavity 166 of the pump body 162, and the water inlet member 220 is provided with a water inlet member accommodating cavity 222, a water inlet member sealing groove 224, a water inlet member inner inclined surface 226 and a water inlet tip 228. The water inlet valve body 232, the water inlet spring 234 and the water inlet valve core 236 are placed in the water inlet component accommodating cavity 222, the water inlet spring 234 is sleeved on the water inlet valve core 236, the cylindrical end of the water inlet valve core 236 is inserted into the through hole in the middle of the water inlet valve body 232, the shape of the arrow end of the water inlet valve core 236 is matched with the shape of the inner inclined surface 226 of the water inlet component, and the water inlet component 220 can be switched on and off through the reciprocating motion of the water inlet valve core 236. The first sealing ring 242 of intaking is overlapped at inlet member seal groove 224 department, can play waterproof sealing's effect to the junction of intaking component 220 and pump body 162.

As shown in fig. 2, 3, 11 and 14, a water outlet member 250 is connected to the water outlet chamber 168 of the pump body 162, the water outlet chamber 168 is provided with a pump body inner inclined surface 170, and a water outlet valve body 262, a water outlet spring 264 and a water outlet valve core 266 are placed in the water outlet chamber 168. The water outlet spring 264 is sleeved on the water outlet valve spool 266, the cylindrical end of the water outlet valve spool 266 is inserted into the middle through hole of the water outlet valve body 262, the appearance of the arrow end of the water outlet valve spool 266 is matched with the shape of the inner inclined surface 170 of the pump body, and the reciprocating motion of the water outlet valve spool 266 can realize the on-off of the water flow of the water outlet component 250. A water outlet sealing ring 272 is arranged between the pump body 162 and the water outlet member 250, and can play a role in waterproof sealing at the joint of the water outlet member 250 and the pump body 162.

As shown in fig. 2, 3, 5, 8, 9, 11, 14, 28, 38, and 39, a first pump housing 370 and a pump seal 190 are further disposed within the housing body 102, the first pump housing 370 is provided with a first pump receiving cavity 372, a second pump receiving cavity 374 and a first pump housing screw post 376, and the pump seal 190 has a pump seal first end 192 and a pump seal second end 194.

The first pump receiving chamber 372 is primarily for receiving one end of the piston chamber 164 of the pump body 162. Referring to FIG. 22, the inner housing body 122 is provided with an inner housing body seal groove 134 at the inner housing body second open end 126. Referring again to fig. 37, the link 174 is provided with a link seal groove 180. The first end 192 of the pump seal is disposed in the inner housing body seal groove 134 and the second end 194 of the pump seal is disposed in the rod seal groove 180, such that the pump seal 190 prevents water from entering the inner housing body 122 from the inner housing body second open end 126 during normal operation of the pump. Preferably, the first pump outer casing 370 compresses the pump seal first end 192 within the inner casing body seal groove 134.

As shown in fig. 2, 3, 5, 9, 11, 28, 38, and 39, the inner case 320 is provided with a second pump outer shell 328, an inner case receiving cavity 330, an inner case through hole 332, and an inner case second screw hole 336. The second pump housing 328 is snap-fit to the first pump housing 370, and the inner bottom housing receiving cavity 330 and the second pump receiving cavity 374 are mainly used for receiving the inlet cavity 166 and the outlet cavity 168 of the pump body 162. The inner bottom case second screw holes 336 are aligned with the first pump housing screw posts 376 to fixedly connect the second pump housing 328 to the first pump housing 370, i.e., the inner bottom case 320 is fixedly connected to the first pump housing 370.

The water inlet tip 228 of the water inlet member 220 passes through the inner bottom shell through hole 332, and as shown in fig. 14, a water inlet second sealing ring 244 is provided between the water inlet member 220 and the outer shell body 102, so that the water-proof sealing between the water inlet member 220 and the outer shell body 102 can be realized. Specifically, an inlet pipe extending to the inside of the water storage tank 280 is connected to the inlet tip 228, and the inlet pipe is omitted from the drawings of the present embodiment.

As shown in fig. 2, 3 and 6, the housing body 102 of the oral cleaning device is further provided with a first adapter member 390, a second adapter member 392 and a third adapter member 394. The second adapting member 392 is fixedly connected to the inner housing body 122, specifically, the second adapting member 392 has a second adapting member screw hole 393, as shown in fig. 19 to 21, the inner housing body 122 has an inner housing body first screw column 142 aligned with the second adapting member screw column 393, and the second adapting member 392 is fixedly connected to the inner housing body 122 by screws. The third adapting member 394 is connected to the water inlet end of the second adapting member 392, the first adapting member 390 is connected to the water outlet end of the second adapting member 392, and the locking member 396 is sleeved on the periphery of the first adapting member 390. The third adapter member 394 is in fluid communication with the outlet member 250 via the conduit 380.

As shown in fig. 1, 2, 3, 5, 6, 11, 12 and 40, a ring member 360 is sleeved around the outer housing body 102 between the top housing 350 and the tank sidewall 282.

The water storage tank 280 of the oral cavity cleaning device of this embodiment is a stretching type portable structure, as shown in fig. 1 and fig. 40, respectively, is a structure diagram of the shrinking and stretching states of the oral cavity cleaning device, and the specific shapes and structures of the water storage tank and the external housing in the drawings do not constitute the restrictive expression of the technical solution to be protected in the embodiments of the present invention, for example, what is shown in fig. 41 is another oral cavity rinsing device with different water storage tank structures, which includes an external housing 420, a water storage tank 422 and a nozzle 424, and the water storage tank in this drawing is disposed below the external housing 420, and is not a stretching structure, but it can still adopt the technical solution to be protected by the present invention.

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 (14)

1. Inner shell structure, including the inner shell body, its characterized in that: the inner shell structure comprises an inner top shell and an inner bottom shell, wherein the inner shell body is provided with a first inner shell body accommodating cavity and a second inner shell body accommodating cavity which are communicated with each other, the inner shell structure further comprises the inner top shell and the inner bottom shell, the inner shell body is provided with a first inner shell body opening end and a third inner shell body opening end, the inner top shell is buckled at the first inner shell body opening end, and the inner bottom shell is buckled at the third inner shell body opening end.

2. An inner shell structure, as recited in claim 1, wherein: the inner shell body is provided with an inner shell body key hole and an inner shell body display hole, and a soft rubber component is arranged at the inner shell body key hole and the inner shell body display hole.

3. An inner shell structure, as recited in claim 1, wherein: the inner top shell is provided with an inner top shell buckle, and the inner shell body is provided with an inner shell body concave buckle position which is opposite to the inner top shell buckle.

4. An inner shell structure, as recited in claim 1, wherein: the inner bottom shell is provided with an inner bottom shell buckle, and the outer surface of the lower end of the inner shell body is provided with an inner shell body bottom buckle position which is aligned with the inner bottom shell buckle.

5. Oral cavity belt cleaning device, including circuit board, battery, motor, pump, storage water tank, spray tube, the circuit board with the battery electricity is connected, the battery is for the motor provides the electric energy, motor drive the pump operation, the pump provides drive power and makes water in the storage water tank is followed the spray tube blowout, its characterized in that: the inner shell structure of any one of claims 1 to 4, wherein the motor is disposed in the first receiving cavity of the inner shell body, and the circuit board and the battery are disposed in the second receiving cavity of the inner shell body.

6. The oral cleaning apparatus of claim 5, wherein: the pump comprises a pump body, a piston and a connecting rod, wherein the pump body is provided with a piston cavity, the piston is arranged in the piston cavity, and the connecting rod is connected with the piston.

7. The oral cleaning apparatus of claim 6, wherein: the inner shell body is provided with an inner shell body second opening end, one end of the connecting rod is arranged in the inner shell body, and the other end of the connecting rod extends out of the inner shell body second opening end and is connected with the piston.

8. The oral cleaning apparatus of claim 7, wherein: the oral cavity cleaning device is characterized in that an inner shell body sealing groove is formed in the second opening end of the inner shell body, a connecting rod sealing groove is formed in the connecting rod, the oral cavity cleaning device further comprises an outer shell, a pump sealing element is further arranged in the outer shell and provided with a first pump sealing element end and a second pump sealing element end, the first pump sealing element end is arranged in the inner shell body sealing groove, and the second pump sealing element end is arranged in the connecting rod sealing groove.

9. The oral cleaning apparatus of claim 8, wherein: the inner bottom shell is provided with a second pump outer shell and an inner bottom shell containing cavity, a first pump outer shell is further arranged in the outer shell and provided with a first pump containing cavity and a second pump containing cavity, the second pump outer shell is fixedly connected with the first pump outer shell, and the first pump containing cavity, the second pump containing cavity and the inner bottom shell containing cavity are all used for placing the pump body.

10. The oral cleaning apparatus of claim 6, wherein: the pump body still has the intake antrum, intake antrum department is equipped with into water the component, it is equipped with into water component holding chamber, the component inner slope of intaking to intake the component, intake valve body, intake spring and water inlet valve core have been placed in the component holding intracavity of intaking, the spring housing of intaking is located on the water inlet valve core, the cylinder end of water inlet valve core inserts in the through-hole in the middle of the valve body of intaking, the arrow point end appearance of water inlet valve core with the shape phase-match of component inner slope of intaking.

11. The oral cleaning apparatus of claim 6, wherein: the pump body is further provided with a water outlet cavity, a water outlet component is arranged at the position of the water outlet cavity, the water outlet cavity is provided with an inner inclined plane of the pump body, a water outlet valve body, a water outlet spring and a water outlet valve core are arranged in the water outlet cavity, the water outlet spring is sleeved on the water outlet valve core, a cylindrical end of the water outlet valve core is inserted into a middle through hole of the water outlet valve body, and the shape of an arrow end of the water outlet valve core is matched with the shape of the inner inclined plane of the pump body.

12. The oral cleaning apparatus of claim 6, wherein: the first gear, the second gear and the gear rack are further placed in the first containing cavity of the inner shell body, the motor is fixedly connected with the gear rack, the gear rack is fixedly connected with the inner shell body, the first gear is fixed on a motor shaft of the motor, the gear rack is provided with a motor shaft through hole and a gear shaft fixing hole, the motor shaft penetrates through the motor shaft through hole, a gear shaft is fixed in the gear shaft fixing hole, the second gear is arranged on the gear shaft, the first gear is meshed with the second gear, and the second gear is connected with the connecting rod.

13. The oral cleaning apparatus of any one of claims 5 to 12, wherein: the oral cavity cleaning device further comprises a first switching component, a second switching component and a third switching component, wherein the second switching component is fixedly connected with the inner shell body, the third switching component is connected with the water inlet end of the second switching component, the first switching component is connected with the water outlet end of the second switching component, and the third switching component is communicated with the pump in a fluid mode.

14. The oral cleaning apparatus of claim 13, wherein: the oral cavity cleaning device further comprises a locking component and a locking spring, one end of the locking spring is sleeved on the inner top shell convex column, and the other end of the locking spring is sleeved on the convex column of the locking component.

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