CN111544145A - Tooth flushing device - Google Patents

Abstract

The invention relates to a tooth flushing device which comprises a machine body and a water tank, wherein the water tank is assembled on the machine body and is defined with the machine body to form an accommodating cavity; the pressurizing piece is arranged in the accommodating cavity and is used for providing power for water to flow from the accommodating cavity to the water outlet; wherein the position of the water tank relative to the body is adjustable to vary the volume of the receiving cavity. Above-mentioned towards tooth ware, the water tank is adjustable for the position of fuselage to the volume that holds the chamber is changed, and like this, the user can be according to self to the position of the volumetric needs surge tank that holds the chamber for the fuselage, when the user water is more and less, all can satisfy the demand, has brought very big facility for the user.

Description

Tooth flushing device

Technical Field

The invention relates to the technical field of oral cleaning appliances, in particular to a tooth flushing device.

Background

The tooth flusher is a tool for cleaning teeth and tooth gaps by utilizing a pulse water flow impact mode, and the high-speed water flow of the tooth flusher has unique cleaning and health care functions and simple use, and is widely applied to daily life of people at present.

Towards tooth ware generally includes desktop, portable and tap formula, and wherein, portable towards tooth ware is because considering factors such as convenient to carry and convenient to accomodate, its whole volume is generally less. The small tooth flushing device has small volume, the small volume limits the water adding amount of the tooth flushing device at each time, and when a user needs to use more water, the user needs to add water into the water tank for many times, so that great inconvenience is brought to the user.

Disclosure of Invention

Therefore, there is a need for a tooth irrigator which can solve the above problems, and the problem that the traditional tooth irrigator has small volume and brings inconvenience to users is solved.

A tooth flushing device comprises a machine body and a water tank, wherein the water tank is assembled on the machine body and defines an accommodating cavity with the machine body, and a water outlet communicated with the accommodating cavity is formed in the machine body; and

the pressurizing piece is arranged in the accommodating cavity and is used for providing power for water to flow from the accommodating cavity to the water outlet;

wherein the position of the water tank relative to the body is adjustable to vary the volume of the receiving cavity.

Above-mentioned towards tooth ware, the water tank is adjustable for the position of fuselage to the volume that holds the chamber is changed, and like this, the user can be according to self to the position of the volumetric needs surge tank that holds the chamber for the fuselage, when the user water is more and less, all can satisfy the demand, has brought very big facility for the user.

In one embodiment, the position of the water tank relative to the body is adjustable to enable the tooth flusher to have a storage state and an extension state, the volume of the accommodating cavity in the storage state is smaller than that in the extension state, and the volume of the tooth flusher in the storage state is smaller than that in the extension state.

In one embodiment, the body comprises a main body and a baffle, the water tank is assembled on the main body and defines the accommodating cavity with the main body, the baffle is assembled on the main body and divides the accommodating cavity into an assembling cavity and a water storage cavity, the baffle is provided with a water inlet for communicating the assembling cavity with the water storage cavity, the assembling cavity is communicated with the water outlet, and the pressurizing piece is arranged in the assembling cavity and is used for providing power for water to flow from the water storage cavity to the water outlet;

wherein the position of the water tank relative to the main body is adjustable to vary the volume of the water storage cavity.

In one embodiment, the tooth flushing device further comprises a water suction pipe, one end of the water suction pipe is fixedly connected with the baffle and is communicated with the water inlet, and the other end of the water suction pipe extends into the water storage cavity to suck water.

In one embodiment, one end of the suction pipe extending into the water storage cavity is fixedly connected with a bottom wall of the water storage cavity facing the water inlet, and a first water inlet is formed between the suction pipe and the bottom wall;

wherein the suction pipe is deformed according to a position of the water tank with respect to the main body.

In one embodiment, a first hollow column communicated with the water inlet is convexly arranged on one side of the baffle plate facing the water storage cavity, a second hollow column is convexly arranged on the bottom wall, and two ends of the water suction pipe are respectively connected with the first hollow column and the second hollow column;

wherein, the second hollow column has a second water inlet penetrating through the second hollow column along the radial direction at the end connected with the bottom wall, and the second water inlet is communicated with the first water inlet.

In one embodiment, the tooth flushing device further comprises a spray head which is detachably connected with the machine body and communicated with the water outlet;

wherein, the water tank or the machine body is provided with a placing position for placing the spray head; the tooth flushing device is provided with a storage state and an extension state, the spray head is placed in the placement position and hidden outside in the storage state, and the placement position is exposed outside in the extension state so that the spray head can be taken out of the placement position.

In one embodiment, the placement site opens onto the water tank.

In one embodiment, the body comprises a main body, the main body comprises a first body and a connecting pipe, the connecting pipe is assembled in the first body, an assembling gap is formed between the connecting pipe and the first body, and at least part of the water tank is positioned in the assembling gap;

wherein the nozzle is placed in the placement position and hidden in the first body in the storage state, and the placement position is exposed outside the first body in the extension state so as to take out the nozzle from the placement position.

In one embodiment, the water tank is mounted on the connection pipe, and the position of the water tank relative to the connection pipe is adjustable.

In one embodiment, a first matching part and a second matching part are arranged at the outer side of the connecting pipe at intervals, the first matching part is arranged close to the water outlet relative to the second matching part, and a third matching part is arranged on the inner side of the water tank;

wherein, when in the storage state, the third matching part is matched with the first matching part, and when in the extension state, the third matching part is matched with the second matching part.

In one embodiment, the water tank comprises a tank body and a cover body, the tank body is assembled on the machine body and defines a containing cavity with the machine body, a water filling port communicated between the containing cavity and the outside is formed in the tank body, and the cover body is used for opening and closing the water filling port.

Drawings

FIG. 1 is a sectional view of a dental irrigator according to an embodiment of the present invention in a stored state;

FIG. 2 is a cross-sectional view of the dental irrigator shown in FIG. 1 in an extended state;

FIG. 3 is an isometric view of the dental irrigator shown in FIG. 1 from a perspective in a stowed condition;

FIG. 4 is an isometric view of the dental irrigator shown in FIG. 1 in an extended condition;

FIG. 5 is a sectional view of a portion of the structure of the body of the dental irrigator shown in FIG. 1;

FIG. 6 is a block diagram of a connecting tube of the body of the dental irrigator shown in FIG. 1;

FIG. 7 is an exploded view of the water tank of the dental irrigator shown in FIG. 1;

FIG. 8 is an isometric view of a portion of the structure of the base of the tank shown in FIG. 7;

figure 9 is an isometric view of the dental irrigator shown in figure 1 from another perspective in a stowed condition.

100. A tooth flushing device; 10. a body; 11. a main body; 111. a first body; 112. a connecting pipe; 1121. a first mating portion; 1122. a second mating portion; 1123. a second assembly hole; 12. a baffle plate; 121. a water inlet; 122. a first assembly hole; 123. a first hollow column; 13. a water outlet; 20. a water tank; 21. a box body; 22. a base; 221. a base body; 2211. a first guide surface; 2212. a second guide surface; 2213. a first sub-body; 2214. a second sub-body; 2215. a second cover body; 2216. clamping the boss; 222. a second hollow column; 2221. a second water inlet; 23. a first cover body; 24. a third mating portion; 25. a step portion; 26. placing bits; 27. a water outlet; 28. a hand-held portion; 30. an accommodating chamber; 31. an assembly chamber; 32. a water storage cavity; 40. a suction pipe; 50. and (4) a spray head.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, an embodiment of the present invention provides a tooth rinsing device 100, which includes a body 10, a water tank 20 and a pressurizing member (not shown), wherein the water tank 20 is mounted on the body 10 and defines with the body 10 an accommodating cavity 30, the body 10 is provided with a water outlet 13 (see fig. 2) communicating with the accommodating cavity 30, and the pressurizing member is disposed in the accommodating cavity 30 and used for providing power for water flowing from the accommodating cavity 30 to the water outlet 13. When the water-saving water dispenser is used, a user injects water into the accommodating cavity 30, and the pressurizing piece enables water in the accommodating cavity 30 to flow out from the water outlet 13 for the user to use.

The tooth flushing device 100 further comprises a spray head 50, the spray head 50 is mounted on the body 10 and is communicated with the water outlet 13, water flowing out of the water outlet 13 flows to the spray head 50, and is sprayed out of the spray head 50 for a user to use. Specifically, the nozzle 50 is detachably connected to the body 10, so that the nozzle 50 can be removed from the body 10 to be received when the dental irrigator 100 is not in use, or the nozzle 50 can be replaced.

Referring to fig. 3 and 4, in an embodiment, the position of the water tank 20 relative to the body 10 is adjustable to change the volume of the accommodating chamber 30, so that a user can adjust the position of the water tank 20 relative to the body 10 according to the volume requirement of the accommodating chamber 30, and the user can meet the requirement when the user uses more or less water, thereby bringing great convenience to the user.

Further, the position of the water tank 20 relative to the body 10 is adjustable to allow the dental irrigator 100 to have a storage state (see fig. 3) and an extended state (see fig. 4), the volume of the accommodating chamber 30 in the storage state is smaller than the volume in the extended state, and the volume of the dental irrigator 100 in the storage state is smaller than the volume in the extended state. Thus, when the tooth rinsing device 100 needs to be stored, the tooth rinsing device 100 can be in a storage state so as to be convenient for storage, and when the water needed by the user is more, the tooth rinsing device 100 can be in an extension state, so that the tooth rinsing device 100 is convenient for storage and can meet the requirement of the user for more water.

It should be noted that, when the tooth flushing device 100 is in the storage state, the requirement of the user when the water demand is low can be satisfied. It should be noted that, if the water tank 20 is located at the first position relative to the body 10, the tooth flushing device 100 is in the storage state, and if the water tank 20 is located at the second position relative to the body 10, the tooth flushing device 100 is in the extension state, the second position is not limited to one position, that is, the tooth flushing device 100 can be considered to be in the extension state when the water tank 20 is located at any one of the second positions relative to the body 10.

With reference to fig. 1 and 2, in an embodiment, the body 10 includes a main body 11 and a baffle 12, the water tank 20 is mounted on the main body 11 and defines with the main body 11 to form an accommodating cavity 30, the baffle 12 is mounted on the main body 11 and divides the accommodating cavity 30 into an assembling cavity 31 and a water storage cavity 32, the baffle 12 is provided with a water inlet 121 communicating the assembling cavity 31 with the water storage cavity 32, the assembling cavity 31 is communicated with the water outlet 13, and the pressurizing member is disposed in the assembling cavity 31 for providing power for water flowing from the water storage cavity 32 to the water outlet 13. Wherein the position of the water tank 20 relative to the main body 11 is adjustable to vary the volume of the water storage chamber 32.

In this embodiment, the baffle 12 will hold the chamber 30 and divide into assembly chamber 31 and water storage chamber 32, and the pressure boost is located assembly chamber 31 and is taken out the water in water storage chamber 32 to delivery port 13 and discharge, and the water that is water storage chamber 32 gets into in the pressure boost from water inlet 121 promptly to discharge to delivery port 13 from the pressure boost, water can not flow to assembly chamber 31 other places, and when the distribution circuit board in assembly chamber 31, the circuit board can not receive the erosion of water and damage.

It should be understood that in other embodiments, the baffle 12 may be omitted from the body 10, and when the baffle 12 is omitted from the body 10, an additional structure is required to prevent water from corroding the circuit board, which is not limited herein.

The pressurizing part is a gear plunger pump, and the piston is driven to reciprocate up and down in the cavity of the pressurizing part through the rotation of the gear, so that the water in the water storage cavity 32 is firstly pumped into the cavity of the pressurizing part through the water inlet 121 and then is pushed out from the spray nozzle 50 to generate a high-pressure water column.

Further, a placing position 26 (see fig. 4) for placing the spray head 50 is provided on the water tank 20 or the body 10, the spray head 50 is placed on the placing position 26 and hidden outside when the tooth flushing device 100 is in the storage state, and the placing position 26 is exposed outside when the tooth flushing device 100 is in the extension state so that the spray head 50 can be taken out from the placing position 26. The storage of the spray head 50 is facilitated by providing the storage position 26 on the water tank 20 or the body 10, and the spray head 50 is not easily contaminated by the outside when stored.

Specifically, the placement site 26 is a recess opened on the water tank 20. When the tooth-rinsing device 100 is in the storage state, the nozzle 50 is placed in the groove and hidden outside, and when the tooth-rinsing device 100 is in the extension state, the nozzle 50 can be taken out from the groove for use.

Of course, in other embodiments, the placement site 26 may be opened on the fuselage 10, and the placement site 26 is not limited to a groove.

With reference to fig. 1 and 2, the main body 11 further includes a first body 111 and a connecting pipe 112, the connecting pipe 112 is mounted in the first body 111 and is fixedly connected to the baffle 12, the water storage chamber 32 is defined by the water tank 20 and the connecting pipe 112, a mounting gap is formed between the connecting pipe 112 and the first body 111, and at least a portion of the water tank 20 is mounted in the mounting gap. The shower head 50 is placed in the placement position 26 and hidden in the first body 111 in the storage state, and the placement position 26 is exposed outside the first body 111 in the extended state to take out the shower head 50 from the placement position 26. That is, when the tooth flusher 100 is in the storage state, the water tank 20 is in the first position relative to the first body 111, and at this time, the spray head 50 is placed in the groove and hidden in the first body 111, and when the tooth flusher 100 is in the extension state, the water tank 20 is in one or more of the second positions relative to the first body 111, and the groove is exposed out of the first body 111, and at this time, the spray head 50 can be taken out of the groove for use.

Specifically, the baffle plate 12 is formed with a first assembling hole 122 (see fig. 5), the connecting pipe 112 is formed with a second assembling hole 1123 (see fig. 6), and screws are inserted into the first assembling hole 122 and the second assembling hole 1123 to fix the baffle plate 12 and the connecting pipe 112.

With continued reference to fig. 1 and 2, the water tank 20 is mounted on the connection pipe 112, and the position of the water tank 20 relative to the connection pipe 112 is adjustable. It is understood that in other embodiments, the water tank 20 may be mounted on the first body 111, and is not limited thereto.

The first fitting portion 1121 and the second fitting portion 1122 (see fig. 6) are spaced at an outer side of the connecting pipe 112, the first fitting portion 1121 is disposed close to the water inlet 121 relative to the second fitting portion 1122, and the third fitting portion 24 is disposed at an inner side of the water tank 20 (see fig. 7). The third engagement portion 24 engages with the first engagement portion 1121 in the storage state, and the third engagement portion 24 engages with the second engagement portion 1122 in the extended state.

That is, when the water dispenser 100 is in the storage state, the water tank 20 is fixed to the connecting pipe 112 through the third engaging portion 24 and the first engaging portion 1121, when the water dispenser 100 needs to be switched from the storage state to the extended state, the water tank 20 is pulled down, the third engaging portion 24 of the water tank 20 is separated from the first engaging portion 1121, and when the water tank 20 moves relative to the connecting pipe 112 by a certain distance, the third engaging portion 24 of the water tank 20 is fixed to the second engaging portion 1122, and the water dispenser 100 is in the extended state. When the water flushing device 100 needs to be switched from the extended state to the storage state, the water tank 20 is pushed up, the third matching portion 24 of the water tank 20 is separated from the second matching portion 1122, and after the water tank 20 returns to the same distance relative to the connecting pipe 112, the third matching portion 24 of the water tank 20 is fixed to the first matching portion 1121, and the water flushing device 100 is in the storage state.

Further, the first engaging portion 1121 is provided at the top end of the outer side of the connecting pipe 112, the second engaging portion 1122 is provided at the bottom end of the outer side of the connecting pipe 112, and the third engaging portion 24 is provided at the top end of the inner side of the water tank 20. It should be understood that, in other embodiments, the first mating portion 1121 and the second mating portion 1122 can be disposed at other positions outside the connecting pipe 112, and the third mating portion 24 can be disposed at other positions inside the water tank 20, which is not limited herein.

With reference to fig. 1 and 2, the body 10 further includes a water suction pipe 40, one end of the water suction pipe 40 is inserted into the connection pipe 112 and is fixedly connected to the baffle 12, one end of the water suction pipe 40 fixedly connected to the baffle 12 is communicated with the water inlet 121, and the other end of the water suction pipe 40 extends into the water storage cavity 32 to suck water. When the tooth flusher 100 is used, the pressurizing piece works, water in the water storage cavity 32 is sucked into the cavity of the tooth flusher through the water suction pipe 40, and then the water is pushed out from the spray head 50 to generate a high-pressure water column.

Further, a first hollow column 123 (see fig. 5) communicated with the water inlet 121 is convexly arranged on one side of the baffle 12 facing the water storage cavity 32, and the water suction pipe 40 is connected with the baffle 12 through the first hollow column 123. Specifically, the barrel 40 is sleeved outside the first hollow column 123. Of course, in other embodiments, the barrel 40 may be sleeved in the first hollow column 123, and is not limited herein.

Specifically, one end of the suction pipe 40 extending into the water storage cavity 32 is fixedly connected with the bottom wall of the water storage cavity 32 facing the water inlet 121, and a first water inlet is formed between the suction pipe 40 and the bottom wall. Wherein the suction pipe 40 is deformed depending on the position of the water tank 20 with respect to the main body 11. Thus, when the position of the water tank 20 relative to the main body 11 is different, the volume of the water storage chamber 32 is different, and the suction pipe 40 is deformed to accommodate the water storage chambers 32 with different volumes.

Specifically, the water suction pipe 40 is a silicone hose, and when the tooth flusher 100 is in the storage state, the water suction pipe 40 is bent and accommodated in the water storage cavity 32, and when the tooth flusher 100 is in the extension state, the water suction pipe 40 is straightened. It should be understood that in other embodiments, the barrel 40 may be provided as a telescoping tube, wherein the barrel 40 is retracted when the irrigator 100 is in the stowed position and the barrel 40 is extended when the irrigator 100 is in the extended position.

With continued reference to FIG. 7, in one embodiment, the water tank 20 includes a tank body 21 and a base 22, the tank body 21 is connected to the connecting pipe 112, and the base 22 is connected to the tank body 21 and disposed opposite to the water inlet 121. The base 22 includes a base body 221 and a second hollow column 222, the second hollow column 222 is connected to the inner wall of the base 22, one end of the second hollow column 222 connected to the inner wall of the base 22 is radially provided with a second water inlet 2221 penetrating through the second hollow column, the other end of the water suction pipe 40 is fixedly connected to the second hollow column 222, and the second water inlet 2221 is communicated with the first water inlet. Specifically, the barrel 40 is sleeved outside the second hollow column 222.

With the arrangement, when the tooth flushing device 100 needs to be used, the pressurizing piece works, water in the water storage cavity 32 enters the second water inlet 2221 from the first water inlet, enters the water suction pipe 40 from the second water inlet 2221, flows into the cavity of the pressurizing piece from the water suction pipe 40 through the water inlet 121, and is sprayed out of the spray head 50 for a user to use.

Referring to fig. 8, the second hollow column 222 is further provided with a plurality of second water inlets 2221, and the plurality of second water inlets 2221 are spaced apart from each other along the circumferential direction of the second hollow column 222. As in one specific embodiment, the number of the second water inlets 2221 is two. In another embodiment, there are three secondary inlets 2221.

In one embodiment, the side of the seat 221 connected to the second hollow column 222 has a first guiding surface 2211 recessed inwards (recessed towards the side of the barrel 40) and smoothly transited, and the second hollow column 222 is located at the bottom end of the first guiding surface 2211.

According to the tooth-rinsing device 100 provided by the embodiment of the present invention, when the water in the water storage cavity 32 is low, the first guiding surface 2211 can guide the water in the water storage cavity 32 to the bottom end thereof, and since the second hollow column 222 is located at the bottom end of the first guiding surface 2211, the second water inlet 2221 is closer to the lowest point of the first guiding surface 2211 (i.e. the second water inlet 2221 is closer to the lowest point of the whole water storage cavity 32), so as to facilitate the water in the water storage cavity 32 to be pumped out, and reduce the water residue in the water storage cavity 32.

Here, the smooth transition means that the first guide surface 2211 has no step portion for restricting the flow of water.

Further, the first guide surface 2211 is an inwardly concave arc surface or conical surface, and water in the water storage chamber 32 enters the water suction pipe 40 from the second water inlet 2221 under the guide of the arc surface or conical surface. Specifically, the second hollow pillar 222 is located at the center of the bottom end of the circular arc surface or the conical surface.

In one embodiment, the seat body 221 further has a smoothly transitioning second guide surface 2212, the second guide surface 2212 is located at the bottom end of the first guide surface 2211, the second guide surface 2212 is recessed inward relative to the first guide surface 2211, and the second hollow post 222 is located at the bottom end of the second guide surface 2212. So configured, the second water inlet 2221 will be further close to the lowest point of the whole water storage cavity 32, which is more beneficial to pumping out the water in the water storage cavity 32. Specifically, the second guide surface 2212 has an arc shape or a conical shape.

Further, the second guide surface 2212 is an inwardly concave circular arc surface or conical surface, and the second hollow column 222 is located at the center of the bottom end of the circular arc surface or conical surface.

The bottom of the case 21 has an assembly opening, and the base 22 is detachably provided to the assembly opening of the case 21. By arranging the base 22 to be detachably connected with the box body 21, the connecting pipe 112 can be conveniently inserted into the box body 21 from the assembling port when the tooth flushing device 100 is assembled.

The outside of base 22 is equipped with joint boss 2216, and base 22 passes through joint boss 2216 joint in box 21 to realize base 22 and box 21's the dismantlement of being connected. It should be understood that in other embodiments, the base 22 and the box 21 can be detachably connected in other manners, which are not limited herein.

Referring to fig. 9, in an embodiment, the water tank 20 further includes a first cover 23, the tank body 21 is provided with a water filling port communicated between the water storage cavity 32 and the outside, and the first cover 23 is used for opening and closing the water filling port. When the first cover 23 opens the water injection port, water can be injected into the water storage cavity 32, and when the tooth-rinsing device 100 needs to be used, the first cover 23 closes the water injection port.

Further, a first cover 23 is mounted on the base 22 for opening and closing the water filling port. Of course, in other embodiments, the first cover 23 may also be mounted on the box 21, and is not limited herein.

In one embodiment, the box 21 has a step 25 outside, and when the tooth flusher 100 is in the storage state, the step 25 abuts against the first body 111.

With reference to fig. 7, the base 221 includes a second body and a second cover 2215, the first guide surface 2211 and the second guide surface 2212 are both disposed on the second body, the hollow column is connected to the second body, a water outlet 27 communicating with a bottom end of the second guide surface 2212 is disposed on a side of the second body away from the hollow column, and the second cover 2215 is connected to the second body for opening and closing the water outlet 27. Since the water discharge port 27 is provided in the base 221 and the water discharge port 27 communicates with the bottom end of the second guide surface 2212, when the water suction pipe 40 does not completely suck the water in the water storage chamber 32, the water discharge port 27 is opened to discharge the water remaining in the water storage chamber 32. Specifically, the second cover 2215 is screwed with the second body, and when the drain opening 27 needs to be opened or closed, only the second cover 2215 needs to be screwed, which facilitates opening and closing the drain opening 27. It is understood that in other embodiments, the second cover 2215 can also be engaged with the second body, and is not limited herein.

In one embodiment, a side of the seat 221 facing away from the hollow column forms a placement plane to facilitate placement of the dental irrigator 100 on a table.

The base 221 includes a first sub-body 2213 and a second sub-body 2214 connected to each other and separately installed, the first guide surface 2211 and the second guide surface 2212 are installed on the first sub-body 2213, the second hollow column 222 is connected to the first sub-body 2213, and the placement plane is installed on a side of the second sub-body 2214 departing from the first sub-body 2213. Since the base 221 includes the first sub-body 2213 and the second sub-body 2214 which are separately arranged, the first guide surface 2211 and the second guide surface 2212 are arranged on the first sub-body 2213, and the placing plane is arranged on the second sub-body 2214, so as to facilitate the forming process.

The first sub-body 2213 is externally provided with a first thread, the second sub-body 2214 is internally provided with a second thread, and the first sub-body 2213 and the second sub-body 2214 are in threaded connection with the second thread through the first thread. It should be understood that, in other embodiments, the first sub-body 2213 and the second sub-body 2214 can be connected in other manners, and are not limited herein. And in order to facilitate screwing the first sub-body 2213 into the second sub-body 2214 or unscrewing the first sub-body 2213 from the second sub-body 2214, the second sub-body 2213 is provided with a grip portion 28.

The fastening boss 2216 is disposed on the first sub-body 2213, the second sub-body 2214 includes the second cover 2215, and the first cover 23 and the second sub-body 2214 are rotatably connected to open and close the water injection port.

The principles of the water toothpick 100 provided by the embodiment of the invention are as follows:

the irrigator 100 switches from the stowed state (see fig. 1) to the extended state (see fig. 2):

when the water tank 20 is pulled down by a force, the third engaging portion 24 of the water tank 20 is separated from the first engaging portion 1121 of the connecting pipe 112, and after the water tank 20 moves a certain distance relative to the connecting pipe 112, the third engaging portion 24 of the water tank 20 is engaged with the second engaging portion 1122 of the connecting pipe 112, and at this time, the dental irrigator 100 is switched from the storage state to the extended state. Then the nozzle 50 is taken out of the groove and assembled on the machine body 10, when the tooth flushing device 100 needs to be used, the first cover body 23 is opened to inject water into the water storage cavity 32 through the water injection port, and then the pressurizing piece is started to use.

It should be noted that, after the nozzle 50 is taken out from the recess and assembled to the body 10, the tooth flusher 100 can be switched to the storage state for use, and can also be used in the extension state.

The irrigator 100 is switched from the extended state to the retracted state:

the first cover 23 is opened to pour out the residual water in the water storage cavity 32, the nozzle 50 is placed in the groove, the water tank 20 is pushed upwards by force, the third matching part 24 of the water tank 20 is separated from the second matching part 1122 of the connecting pipe 112, and after moving upwards for a certain distance relative to the connecting pipe 112, the third matching part 24 of the water tank 20 is matched with the first matching part 1121 of the connecting pipe 112, at this time, the step part 25 of the water tank 20 is abutted against the body of the machine body 10, the nozzle 50 is hidden in the body, and the tooth flusher 100 is switched from the extension state to the storage state.

An embodiment of the present invention further provides a base 22 included in the above tooth punching device 100, wherein the base 22 includes a seat body 221 and a hollow column, the seat body 221 has a first guiding surface 2211 which is recessed inwards and transits smoothly, the hollow column is fixedly connected to a side of the seat body 221 having the first guiding surface 2211, and the hollow column is located at a bottom end of the first guiding surface 2211;

wherein, the one end that the hollow column is connected with base 22 is seted up along radial the water inlet that runs through in the hollow column.

When the base 22 of the present invention is applied to the tooth-rinsing device 100, when the water in the water storage cavity 32 is low, the first guiding surface 2211 can guide the water in the water storage cavity 32 to the bottom end thereof, and since the hollow column is located at the bottom end of the first guiding surface 2211, the second water inlet 2221 is closer to the lowest point of the first guiding surface 2211 (i.e. the second water inlet 2221 is closer to the lowest point of the whole water storage cavity 32), so as to facilitate the water in the water storage cavity 32 to be pumped out, and reduce the water residue in the water storage cavity 32.

The base 22 and the tooth rinsing device 100 provided by the embodiment of the invention have the following beneficial effects:

1. the position of the water tank 20 relative to the machine body 10 can be adjusted to change the volume of the water storage cavity 32, so that the requirement of different water consumption of a user is met, and convenience is realized;

2. the tooth flushing device 100 has a storage state and an extension state, the volume of the tooth flushing device 100 in the storage state is smaller than that in the extension state, and the tooth flushing device is convenient to store in the storage state; the volume of the water storage cavity 32 in the extension state is larger than that in the storage state, so that the requirement of a user for more water can be met in the extension state;

3. when the tooth flushing device 100 is in the storage state, the spray head 50 is hidden in the machine body 10, so that the spray head 50 can be conveniently stored, and the spray head 50 is not easily polluted by the outside during storage;

4. the base 22 of the water tank 20 is provided with a first guide surface 2211 and a second guide surface 2212, the second hollow column 222 is arranged at the center of the bottom end of the second guide surface 2212, the second hollow column 222 is provided with a second water inlet 2221, the water suction pipe 40 is connected with the hollow column, and water in the water storage cavity 32 enters the water suction pipe 40 from the second water inlet 2221, so that the water in the water storage cavity 32 is conveniently pumped;

5. the bottom end of the base 22 facing the second guide surface 2212 is provided with a drain port 27 to drain water remaining in the water storage chamber 32.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (12)

1. The tooth flushing device is characterized by comprising a machine body (10) and a water tank (20), wherein the water tank (20) is assembled on the machine body (10) and is defined with the machine body (10) to form an accommodating cavity (30), and a water outlet (13) communicated with the accommodating cavity (30) is formed in the machine body (10); and

the pressurizing piece is arranged in the accommodating cavity (30) and is used for providing power for water to flow from the accommodating cavity (30) to the water outlet (13);

wherein the position of the water tank (20) relative to the body (10) is adjustable to vary the volume of the receiving cavity (30).

2. The dental irrigator of claim 1, wherein the position of the water tank (20) relative to the body (10) is adjustable to provide the dental irrigator with a stowed condition and an extended condition, the volume of the receiving chamber (30) in the stowed condition being less than the volume in the extended condition, and the volume of the dental irrigator in the stowed condition being less than the volume in the extended condition.

3. The tooth flusher according to claim 1, wherein the machine body (10) comprises a main body (11) and a baffle plate (12), the water tank (20) is assembled on the main body (11) and is defined with the main body (11) to form the accommodating cavity (30), the baffle plate (12) is assembled on the main body (11) and divides the accommodating cavity (30) into an assembling cavity (31) and a water storage cavity (32), the baffle plate (12) is provided with a water inlet (121) which is communicated with the assembling cavity (31) and the water storage cavity (32), the assembling cavity (31) is communicated with the water outlet (13), and the pressurizing piece is arranged in the assembling cavity (31) and is used for providing power for water to flow from the water storage cavity (32) to the water outlet (13);

wherein the position of the water tank (20) relative to the main body (11) is adjustable to vary the volume of the water storage chamber (32).

4. The tooth flusher according to claim 3, wherein the machine body (10) further comprises a water suction pipe (40), one end of the water suction pipe (40) is fixedly connected with the baffle plate (12) and is communicated with the water inlet (121), and the other end of the water suction pipe (40) extends into the water storage cavity (32) to suck water.

5. The tooth-rinsing device as claimed in claim 4, characterized in that the end of the tooth-rinsing device extending into the water storage cavity (32) is fixedly connected with the bottom wall of the water storage cavity (32) facing the water inlet (121), and a first water inlet is arranged between the suction pipe (40) and the bottom wall;

wherein the suction pipe (40) is deformed depending on a position of the water tank (20) with respect to the main body (11).

6. The tooth flusher according to claim 5, wherein a first hollow column (123) communicated with the water inlet (121) is convexly arranged on one side of the baffle plate (12) facing the water storage cavity (32), a second hollow column is convexly arranged on the bottom wall, and two ends of the water suction pipe (40) are respectively connected with the first hollow column (123) and the second hollow column;

wherein, the second hollow column is provided with a second water inlet (2221) penetrating through the second hollow column along the radial direction at one end connected with the bottom wall, and the second water inlet (2221) is communicated with the first water inlet.

7. The tooth irrigator according to any one of claims 1 to 6, further comprising a spray head (50), wherein the spray head (50) is detachably connected with the body (10) and is communicated with the water outlet (13);

wherein, a placing position (26) for placing the spray head (50) is arranged on the water tank (20) or the machine body (10); the tooth rinsing device has a storage state and an extension state, wherein the spray head (50) is placed in the placement position (26) and hidden outside, and the placement position (26) is exposed outside to take out the spray head (50) from the placement position (26) in the extension state.

8. The dental rinsing device as claimed in claim 7, characterized in that the placement site (26) opens onto the water tank (20).

9. The dental irrigator according to claim 8, wherein the body (10) comprises a main body (11), the main body (11) comprising a first body (111) and a connecting tube (112), the connecting tube (112) being fitted inside the first body (111) with a fitting gap between the connecting tube (112) and the first body (111), at least part of the water tank (20) being located inside the fitting gap;

wherein the spray head (50) is placed in the placement position (26) and hidden in the first body (111) in the storage state, and the placement position (26) is exposed outside the first body (111) in the extension state so as to take out the spray head (50) from the placement position (26).

10. The dental irrigator of claim 9, wherein the water tank (20) is mounted on the connecting tube (112) and the position of the water tank (20) relative to the connecting tube (112) is adjustable.

11. The tooth flusher according to claim 10, wherein a first matching portion (1121) and a second matching portion (1122) are arranged on the outer side of the connecting pipe (112) at intervals, the first matching portion (1121) is arranged close to the water outlet (13) relative to the second matching portion (1122), and a third matching portion (24) is arranged on the inner side of the water tank (20);

wherein the third engaging portion (24) engages with the first engaging portion (1121) in the stored state, and the third engaging portion (24) engages with the second engaging portion (1122) in the extended state.

12. The tooth-rinsing device as claimed in claim 1, wherein said water tank (20) comprises a tank body (21) and a cover body, said tank body (21) is assembled on said machine body (10) and defines with said machine body (10) a containing cavity (30), said tank body (21) is provided with a water inlet communicated between said containing cavity (30) and the outside, and said cover body is used for opening and closing said water inlet.

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