CN218500836U - Tooth flushing device - Google Patents

Abstract

The utility model discloses a tooth flushing device, tooth flushing device includes: water tank, power device, nozzle and heating device. The water inlet end of the power device is communicated with the water tank, and the water outlet end of the power device is connected with the mounting outlet end suitable for mounting the nozzle; the heating device is configured for heating the liquid in the tank and/or for heating the liquid flowing to the nozzle. The utility model discloses towards tooth ware through being provided with heating device, and makes heating device can heat the liquid of liquid and/or the flow to the nozzle in the water tank to make the liquid that the nozzle erupted can have higher temperature under low temperature environment, avoided liquid temperature low excessively and lead to the user uncomfortable, improved user's comfort level, improved towards tooth ware's practicality.

Description

Tooth flushing device

Technical Field

The utility model belongs to the technical field of domestic appliance and specifically relates to a towards tooth ware is related to.

Background

In the related art, the water tank of the tooth flushing device usually takes water from tap water directly, the temperature of the tap water is lower in winter and the like, the tap water with the lower temperature directly impacts teeth and gum parts, the ice feeling is very strong, the user experience is poor, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a towards tooth ware can heat the liquid of liquid and/or the liquid that flows to the nozzle in the water tank through heating device for the liquid that the nozzle erupted has higher temperature, has avoided liquid temperature to hang down excessively and lead to the user uncomfortable, has improved user's comfort level.

According to the utility model discloses towards tooth ware, include: a water tank; the water inlet end of the power device is communicated with the water tank, and the water outlet end of the power device is connected with the mounting outlet end suitable for mounting the nozzle; a heating device configured to heat liquid within the tank and/or to heat liquid flowing to the mounting outlet end.

According to the utility model discloses towards tooth ware through being provided with heating device, and makes heating device can heat the liquid of liquid in the water tank and/or flow to the nozzle to make the liquid that the nozzle erupted can have higher temperature under low temperature environment, avoided liquid temperature to hang down excessively and lead to the user uncomfortable, improved user's comfort level, improved towards tooth ware's practicality.

According to some embodiments of the tooth rinsing device of the present invention, the water outlet end is connected to the mounting outlet end through a water outlet pipeline; the heating device comprises a first heating component which is used for heating the liquid in the water outlet pipeline.

According to some embodiments of the utility model discloses towards tooth ware, still including being used for detecting the first temperature-detecting device of the temperature in the outlet pipe way, first temperature-detecting device with first heating element respectively with towards tooth ware's the control unit links to each other, the control unit basis the temperature control that first temperature-detecting device detected first heating element's running state.

According to some utility model embodiments of the tooth ware, first heating element includes: the first heating piece is arranged in the water outlet pipeline; the first electromagnetic heating coil is wound on the peripheral wall of the water outlet pipeline and electrically connected with the control unit of the tooth flushing device, and when the first electromagnetic heating coil is electrified, the first heating piece heats liquid.

According to some utility model embodiments of the tooth ware that washes, still include first heat insulating part, first heat insulating part is established in the outlet pipe way and be located first heat generating part with between the inner wall of outlet pipe way.

According to some utility model embodiments, the heating device includes the second heating element, the second heating element is located in the water tank.

According to some utility model embodiment's towards tooth ware, be equipped with water proof space in the water tank, second heating element includes: the second heating piece is arranged on the inner wall of the water tank; the second electromagnetic heating coil is located in the water-resisting space and electrically connected with the control unit of the tooth flushing device, and when the second electromagnetic heating coil is electrified, the second heating piece heats liquid.

According to some embodiments of the utility model discloses towards tooth ware, the inner wall of water tank is equipped with annular support protrusion, towards tooth ware still includes the second heat insulating part, the second heat insulating part support in support protrusion, the second heat insulating part with support protrusion's inner space is injectd water proof space, the second generates heat and is located deviating from of second heat insulating part on the lateral wall in water proof space.

According to some utility model embodiments, the tooth flushing device, the second heating element includes the resistance heating member, the resistance heating member circular telegram is in order to heat liquid.

According to some utility model embodiments of the utility model discloses a tooth ware, the second heating element still includes: the heat conduction casing, at least a part of heat conduction casing is the metalwork, the inside confined space of placing of injecing of heat conduction casing, the resistance heating member is established place in the space.

According to some embodiments of the utility model discloses towards tooth ware, be equipped with annular installation arch on the inner wall of water tank, the installation arch is equipped with the water hole, heat conduction casing place in the installation arch, heat conduction casing is including relative setting metalwork and annular thermal-insulated perisporium, the both ends of thermal-insulated perisporium respectively with the metalwork links to each other, thermal-insulated perisporium with the protruding contact of installation.

According to some utility model embodiments of the utility model discloses a tooth ware towards, still include the nozzle, the nozzle install in install the exit end.

According to the tooth flushing device provided by the embodiments of the utility model, the tooth flushing device also comprises an upper cover, the upper cover is arranged on the upper part of the water tank, the power device is arranged on the water tank, and the lower end of the water inlet pipe connected with the water inlet end of the power device extends to the lower part of the water tank; the mounting outlet end is positioned on the upper cover, and the water outlet end of the power device is connected with the mounting outlet end through a water outlet pipeline positioned in the upper cover.

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

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a dental irrigator according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a schematic view of the installation of a second heating assembly according to another embodiment of the present invention;

fig. 5 is an exploded view of a second heating assembly and a lower cover according to another embodiment of the present invention.

Reference numerals:

the tooth-rinsing device 100 is provided with a tooth-rinsing device,

a water tank 1, a lower cover 11, a supporting bulge 12, a mounting bulge 13, a water through hole 131, a water isolating space 14, a water inlet cavity 15, a power device 2, a water inlet pipe 21, a driving motor 22, an upper cover 3, a nozzle 31 and a water outlet pipeline 32,

the first heating block 4, the first heating element 41, the first electromagnetic heating coil 42,

a second heating unit 5, a second heating member 51, a second electromagnetic heating coil 52, a resistance heating member 53, a heat conductive housing 54, a metal member 541, a heat insulating peripheral wall 542, a placing space 543,

a first temperature detection device 6, a second temperature detection device 7, a first heat insulation piece 8, a second heat insulation piece 9 and a heat insulation bulge 91.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Next, referring to the drawings, a dental irrigator 100 according to an embodiment of the present invention will be described.

As shown in fig. 1 to 5, the tooth irrigator 100 according to the embodiment of the present invention comprises: a water tank 1, a power device 2 and a heating device. The water inlet end of the power device 2 is communicated with the water tank 1, and the water outlet end of the power device 2 is connected with the mounting outlet end suitable for mounting the nozzle 31; the heating means are configured for heating the liquid in the water reservoir 1 and/or for heating the liquid flowing to the nozzle 31.

Therefore, the liquid in the water tank 1 and/or the liquid flowing to the nozzle 31 can be heated by the heating device, so that the liquid sprayed by the nozzle 31 has higher temperature, discomfort of a user caused by too low temperature of the liquid is avoided, and the comfort level of the user is improved.

For example, referring to fig. 1, the dental irrigator 100 is provided with a water tank 1, the water tank 1 is configured in a circular cylinder shape or a rectangular cylinder shape, etc., the water tank 1 is formed with a water storage cavity for storing liquid (i.e., tap water), and the water tank 1 may be selectively communicated with a faucet so that the tap water may flow into the water storage cavity to replenish the liquid in the water storage cavity. Install power device 2 in the water tank 1, power device 2 is provided with driving motor 22, power device 2's the end of intaking and the one end intercommunication of inlet tube 21, the other end of inlet tube 21 be suitable for to extend the bottom in water storage chamber and with water storage chamber intercommunication for power device 2's the end of intaking can be through inlet tube 21 and water storage chamber intercommunication, so that power device 2 can effectively extract the liquid of water storage intracavity. Meanwhile, the upper end of the water tank 1 is provided with a mounting outlet end for mounting the nozzle 31, the nozzle 31 is generally tubular, one end of the nozzle 31, which is away from the mounting outlet end, is formed with a nozzle, and the other end of the nozzle can be communicated with the water outlet end of the power device 2, under the driving of the driving motor 22, the liquid flowing into the power device 2 can flow through the water outlet end and the mounting outlet end to flow into the nozzle 31, and can be sprayed to the oral cavity of the user from the nozzle to wash the teeth of the user.

A heating device may be mounted on the water tank 1 for operating when the liquid in the water tank 1 is too low. Wherein the heating device may be configured to heat the liquid in the water tank 1; alternatively, it may be configured to heat the liquid flowing to the nozzle 31; still alternatively, it may be configured to heat the liquid in the water tank 1 and the liquid flowing to the nozzle 31 at the same time. In this way, the liquid sprayed by the nozzle 31 is made to have a suitable temperature to avoid the tap water temperature being too low to cause discomfort to the user.

Specifically, when the tooth flusher 100 is provided with the scheduled heating time, the heating device heats the liquid in the water storage cavity within the scheduled heating time, so as to heat the liquid in the water tank 1 to a proper temperature after the scheduled heating time is reached, so that the liquid sprayed into the mouth of the user has a proper temperature; in the case that the tooth flusher 100 is not provided with the scheduled heating time, the heating device can heat the liquid flowing to the nozzle 31 when the tooth flusher 100 is started, so that the liquid sprayed into the mouth of the user has a proper temperature; when the water dispenser 100 is not set for a predetermined heating time and the temperature of tap water is too low, the heating device can heat the liquid in the water tank 1 and the liquid flowing to the nozzle 31 at the same time, so that the liquid sprayed into the mouth of the user has a proper temperature.

According to the utility model discloses towards tooth ware 100 through being provided with heating device, and makes heating device can heat the liquid in the boiled water tank 1 and/or the liquid that flows to nozzle 31 to make the liquid that nozzle 31 erupted can have higher temperature under low temperature environment, avoided liquid temperature to cross lowly and lead to the user uncomfortable, improved user's comfort level, improved towards tooth ware 100's practicality.

In some embodiments of the present invention, the water outlet end is connected to the nozzle 31 through the water outlet pipeline 32; the heating device comprises a first heating element 4, and the first heating element 4 is used for heating the liquid in the water outlet pipeline 32.

For example, referring to fig. 1-2, the power device 2 may be installed below the nozzle 31, the upper end of the power device 2 is formed with a water outlet end, one end of the water outlet pipe 32 is used to communicate with the lower end of the nozzle 31, and the other end is used to communicate with the water outlet end of the power device 2, so that the water outlet end of the power device 2 can communicate with the nozzle 31 through the water outlet pipe 32, so that the liquid flowing out of the water spraying device can flow into the nozzle 31 after flowing through the water outlet pipe 32, and can be sprayed to the user from the nozzle opening of the nozzle 31. Wherein the heating device comprises a first heating element 4, the first heating element 4 is used for heating the liquid in the water outlet pipeline 32, so that the liquid can be heated to a proper temperature before flowing into the nozzle 31. Thereby, the comfort of the user is improved.

In some embodiments of the present invention, as shown in fig. 2, the tooth washing device 100 of the present invention further includes a first temperature detecting device 6 for detecting the temperature of the water in the water pipeline 32, the first temperature detecting device 6 and the first heating element 4 are respectively connected to the control unit of the tooth washing device 100, and the control unit controls the operation state of the first heating element 4 according to the temperature detected by the first temperature detecting device 6.

In some examples of the present invention, the tooth rinsing device 100 is provided with a preset temperature T1, a set temperature T2 and a stop temperature T3, the preset temperature T1 and the stop temperature T3 are fixed values, the stop temperature T3 is greater than the preset temperature T1, the preset temperature T1 is the lowest temperature at which the human body feels comfortable, and the stop temperature T3 is the highest temperature at which the human body feels comfortable. Meanwhile, the set temperature T2 is set to an adjustable value, and the set temperature T2 is greater than the preset temperature T1 and less than the stop temperature T3.

For example, referring to fig. 2, a first temperature detecting device 6 may be disposed in the water outlet pipeline 32, the first temperature detecting device 6 may be configured as a sensor, and the control unit of the tooth flusher 100 is connected to the first temperature detecting device 6 and the first heating assembly 4 respectively. When the dental irrigator 100 is activated, the first temperature detecting device 6 is configured to detect a current water temperature T4 of the liquid in the water pipeline 32 and transmit the current water temperature T4 to the control unit, and the control unit can selectively control the first heating element 4 to heat the liquid in the water outlet pipeline 32 according to the current water temperature T4 of the liquid in the water outlet pipeline 32.

Specifically, when the set temperature T2 is not set, if the current water temperature T4 of the liquid in the water outlet pipeline 32 is higher than the preset temperature T1, the first heating element 4 does not need to operate, and if the current water temperature T4 of the liquid in the water outlet pipeline 32 is lower than the preset temperature T1, the control unit may control the first heating element 4 to heat the liquid in the water outlet pipeline 32, and the heating power of the first heating element 4 satisfies P = C (T1-T4) × Q. Wherein Q is the flow rate of the current gear of the dental irrigator 100, and C is the specific heat capacity of the liquid (i.e., tap water). Thereby, the temperature of the liquid flowing out of the nozzle 31 can be brought to the preset temperature T1.

When the set temperature T2 is set, if the current water temperature T4 of the liquid in the water outlet pipeline 32 is higher than the set temperature T2, the first heating element 4 does not need to work, and if the current water temperature T4 of the liquid in the water outlet pipeline 32 is lower than the set temperature T2, the control unit may control the first heating element 4 to heat the liquid in the water outlet pipeline 32, and the heating power of the first heating element 4 satisfies P = C (T2-T4) × Q. Thereby, the temperature of the liquid flowing out of the nozzle 31 can be brought to the set temperature T2.

Through the arrangement, the liquid flowing out of the nozzle 31 has proper temperature, so that the comfort level of a user is improved, and the satisfaction degree of the user on the tooth flushing device 100 is improved.

In some embodiments of the present invention, as shown in fig. 2, the first heating assembly 4 comprises: a first heating element 41 and a first electromagnetic heating coil 42, wherein the first heating element 41 is arranged in the water outlet pipeline 32; the first electromagnetic heating coil 42 is wound around the outer peripheral wall of the water outlet pipeline 32, the first electromagnetic heating coil 42 is electrically connected with the control unit of the tooth flushing device 100, and when the first electromagnetic heating coil 42 is electrified, the first heating piece 41 generates heat to heat the liquid.

For example, referring to fig. 2, the first heating assembly 4 is provided with a first heating element 41 and a first electromagnetic heating coil 42, the first heating assembly 4 is made of a metal material such as copper or iron, the first heating element 41 is adapted to be installed in the water outlet pipeline 32, the first electromagnetic heating coil 42 is adapted to be wound around the outer circumferential wall of the water outlet pipeline 32 to be sleeved on the outer side of the first heating element 41, the first electromagnetic heating coil 42 can generate an alternating magnetic field when alternating current is supplied, and the first heating element 41 can generate heat in the alternating magnetic field to heat the liquid in the water outlet pipeline 32. Meanwhile, the first electromagnetic heating coil 42 may be electrically connected to the control unit of the dental irrigator 100, and when the control unit receives the current temperature T4 of the liquid in the water outlet pipeline 32 and determines that the liquid in the water outlet pipeline 32 needs to be heated, the control unit may apply an alternating current to the first electromagnetic heating coil 42, so that the first heating element 41 may heat the liquid in the water outlet pipeline 32. Therefore, the liquid in the water outlet pipeline 32 is efficiently heated, the heating safety is high, and the overall performance of the tooth flushing device 100 is improved.

In some embodiments of the present invention, as shown in fig. 2, the tooth rinsing device 100 of the present invention further comprises a first heat insulation member 8, wherein the first heat insulation member 8 is disposed in the water outlet pipeline 32 and located between the first heat insulation member 41 and the inner wall of the water outlet pipeline 32. For example, referring to fig. 2, the first thermal insulation member 8 and the first heat-generating member 41 may be configured as a tube, the first heat-generating member 41 extends along the axial direction of the water outlet channel 32 and forms an inner cavity for flowing liquid, the first thermal insulation member 8 is installed in the water outlet channel 32 and is sleeved outside the first heat-generating member 41, the outer peripheral wall of the first thermal insulation member 8 is configured to be attached to the inner wall of the water outlet channel 32, and the inner peripheral wall of the first thermal insulation member 8 is configured to be attached to the outer peripheral wall of the first heat-generating member 41, so as to mount the first heat-generating member 41 on the inner wall of the water outlet channel 32 by spacing the first thermal insulation member 8.

Through the arrangement, the first heat insulation piece 8 can separate the first heat generation piece 41 from the water outlet pipeline 32, so that the heat quantity transferred from the first heat generation piece 41 to the outside is reduced, the heating efficiency of the first heat generation piece 41 is improved, the first heat generation piece 41 can be prevented from scalding the water outlet pipeline 32, and the service life of the tooth flushing device 100 is prolonged.

The utility model discloses an in some embodiments, can extend first temperature-detecting device 6 to the axle center position department of first heating member 41 for first heating member 41 is less to first temperature-detecting device 6's interference, does benefit to the detection precision that improves first temperature-detecting device 6.

In some embodiments of the present invention, the heating device comprises a second heating assembly 5, and the second heating assembly 5 is located in the water tank 1. For example, referring to fig. 1 and 3, the heating device may include a second heating assembly 5 and a second temperature detecting device 7, the second heating assembly 5 and the second temperature detecting device 7 are both installed in the water storage cavity of the water tank 1, the second temperature detecting device 7 is provided as a sensor, and the control unit of the tooth flusher 100 is connected to the second temperature detecting device 7 and the second heating assembly 5 respectively. In the case that the water dispenser 100 is provided with the scheduled heating time, the second temperature detecting means 7 is used for detecting the current water temperature T5 of the liquid in the water tank 1 and transmitting the current water temperature T5 of the liquid in the water tank 1 to the control unit, so that the control unit can selectively control the second heating assembly 5 to heat the liquid in the water tank 1 according to the current water temperature T5 of the liquid in the water tank 1.

Specifically, when the set temperature T2 is not set, if the current water temperature T5 of the liquid in the water tank 1 is higher than the preset temperature T1, the second heating element 5 does not need to work, and if the current water temperature T5 of the liquid in the water tank 1 is lower than the preset temperature T1, the control unit may control the second heating element 5 to heat the liquid in the water tank 1, and the heating power of the second heating element 5 satisfies P = C (T1-T5) × m/T. Wherein m is the water storage weight of the water tank 1, and t is the reserved heating time. Thereby, the temperature of the liquid flowing out of the nozzle 31 can be brought to the preset temperature T1.

When the set temperature T2 is set, if the current water temperature T5 of the liquid in the water tank 1 is higher than the set temperature T2, the second heating element 5 does not need to work, and if the current water temperature T5 of the liquid in the water tank 1 is lower than the set temperature T2, the control unit may control the second heating element 5 to heat the liquid in the water tank 1, and the heating power of the second heating element 5 satisfies P = C (T2-T5) × m/T. Thereby, the temperature of the liquid flowing out of the nozzle 31 can be brought to the set temperature T2.

Through the arrangement, the liquid flowing out of the nozzle 31 has proper temperature, so that the comfort level of a user is improved, and the satisfaction degree of the user on the tooth flushing device 100 is improved.

The utility model discloses an in some embodiments, can install second temperature-detecting device 7 on the lower cover 11 of the lower part of water tank 1 and be located second heating element 5's side, this position is located the most terminal of liquid flow circulation when water tank 1 heats, and second heating element 5's direct influence is less, does benefit to the detection precision that improves second temperature-detecting device 7.

In some embodiments of the present invention, a water-proof space 14 is provided in the water tank 1, and the second heating assembly 5 includes: a second heating member 51 and a second electromagnetic heating coil 52, the second heating member 51 being provided on the inner wall of the water tank 1; the second electromagnetic heating coil 52 is located in the water-isolated space 14, the second electromagnetic heating coil 52 is electrically connected to the control unit of the tooth flushing device 100, and when the second electromagnetic heating coil 52 is energized, the second heating member 51 generates heat to heat the liquid.

For example, referring to fig. 1 and 3, a lower portion of the water tank 1 is provided with a lower cover 11, the first heating assembly 4 may be installed at a bottom wall of the lower cover 11, the first heating assembly 4 includes a second heat generating member 51 and a second electromagnetic heating coil 52, the second heat generating member 51 is made of a metal material such as copper or iron, and the second heat generating member 51 is installed in the water storage chamber and is used to contact with the liquid in the water tank 1. The lower cover is provided with a water-proof space 14, the water-proof space 14 and the water storage cavity are arranged at intervals, a second electromagnetic heating coil 52 is installed in the water-proof space 14, and the second electromagnetic heating coil 52 and the water storage cavity are arranged at intervals to avoid electric leakage. The second electromagnetic heating coil 52 is arranged opposite to the second heating element 51, the second electromagnetic heating coil 52 can generate an alternating magnetic field when alternating current is supplied, and the second heating element 51 can generate heat in the alternating magnetic field to heat the liquid in the water storage cavity. Meanwhile, the second electromagnetic heating coil 52 may be electrically connected to the control unit of the tooth flushing device 100, and when the control unit receives the current water temperature T5 of the liquid in the water tank 1 and determines that the liquid in the water tank 1 needs to be heated, the control unit may supply an alternating current to the second electromagnetic heating coil 52, so that the second heating member 51 may heat the liquid in the water tank 1. Therefore, the efficient heating of the liquid in the water tank 1 is realized, the heating safety is high, and the improvement of the overall performance of the tooth flushing device 100 is facilitated.

In some embodiments of the present invention, the inner wall of the water tank 1 is provided with an annular supporting protrusion 12, the tooth washing device 100 further includes a second heat insulation member 9, the second heat insulation member 9 is supported by the supporting protrusion 12, the water isolation space 14 is defined by the inner spaces of the second heat insulation member 9 and the supporting protrusion 12, and the second heat generation member 51 is located on the side wall of the second heat insulation member 9 deviating from the water isolation space 14.

For example, referring to fig. 3, an upwardly protruding support protrusion 12 may be provided at an inner wall of the upper cover 11, the support protrusion 12 being configured as a ring structure, the support protrusion 12 defining an upwardly open inner space. The dental punch 100 is further provided with a second heat insulator 9, the second heat insulator 9 being configured in a disc shape, an outer circumferential wall of the second heat insulator 9 being adapted to be supported on an inner circumferential wall of the support protrusion 12 to be fitted in an inner space of the support protrusion 12. The bottom wall of the second heat insulating member 9 is disposed spaced apart from the bottom wall of the inner space, the bottom wall of the second heat insulating member 9 may define the water-blocking space 14 together with the inner space of the support protrusion 12, and the second electromagnetic heating coil 52 is installed in the water-blocking space 14.

Meanwhile, an upwardly convex heat insulation protrusion 91 is provided at an edge position of the second heat insulation member 9, the second heat generating member 51 is configured in a plate shape, and an outer peripheral wall of the second heat generating member 51 is adapted to be supported on an inner side of the heat insulation protrusion 91 so as to fit and mount the second heat generating member 51 on a side wall of the second heat insulation member 9 away from the water-blocking space 14. In this way, the second heat generating member 51 may be vertically opposite to the second electromagnetic heating coil 52, so that the second electromagnetic heating coil 52 may heat the second heat generating member 51 after the alternating current is applied.

It can be understood that by providing the second heat insulating member 9 to separate the second heat generating member 51 from the second electromagnetic heating coil 52, the amount of heat transferred to the second electromagnetic heating coil 52 can be reduced to reduce the possibility of the second electromagnetic heating coil 52 being damaged, improving the reliability and practicality of the first heating assembly 4.

In some embodiments of the present invention, the second heating assembly 5 comprises a resistive heating element 53, the resistive heating element 53 being energized to heat the liquid. For example, referring to fig. 4 to 5, the second heating assembly 5 may be provided with a resistive heating member 53, the resistive heating member 53 being disposed spaced apart from the water storage chamber, the resistive heating member 53 being electrically connected to a control unit for energizing the resistive heating member 53 so that the resistive heating member 53 may generate heat to heat the liquid in the water storage chamber. From this, do benefit to the high-efficient heating that realizes water storage intracavity liquid, improved second heating element 5's practicality.

In some embodiments of the present invention, the second heating assembly 5 further comprises: at least one part of the heat-conducting shell 54 is a metal piece 541, a closed placing space 543 is defined inside the heat-conducting shell 54, and the resistance heating member 53 is arranged in the placing space 543.

For example, referring to fig. 4 to 5, the second heating assembly 5 may be provided with a heat conducting casing 54, a closed placing space 543 is defined inside the heat conducting casing 54, a resistance heating member 53 is installed in the placing space 543, meanwhile, at least a part of the heat conducting casing 54 may be provided as a metal member 541, an insulating filler with good thermal conductivity, such as aluminum oxide powder, is filled between the resistance heating member 53 and the metal member 541, so as to insulate the metal member 541 from the resistance heating member 53, thereby avoiding short circuit, and a side of the metal member 541 away from the placing space 543 is in contact with the liquid in the water storage cavity. Thus, when the resistance heating element 53 generates heat, the heat can be transferred to the water storage space through the metal piece 541, so as to heat the liquid in the water storage space. At least a part of the heat conductive casing 54 may be a microcrystalline panel having good heat conductivity.

Through the above arrangement, the heat conduction shell 54 can insulate and separate the resistance heating element 53 from the liquid in the water tank 1, so as to avoid electric leakage of the resistance heating element 53, and the heat conduction shell 54 can conduct heat of the resistance heating element 53 into the liquid in the water storage cavity, so as to efficiently heat the liquid in the water tank 1, and therefore the practicability and the safety of the second heating assembly 5 are improved.

In some embodiments of the utility model, be equipped with annular installation arch 13 on the inner wall of water tank 1, installation arch 13 is equipped with water hole 131, and heat conduction casing 54 is placed in installation arch 13, and heat conduction casing 54 includes relative setting's metalwork 541 and annular thermal-insulated perisporium 542, and the both ends of thermal-insulated perisporium 542 link to each other with metalwork 541 respectively, and thermal-insulated perisporium 542 contacts with installation arch 13.

For example, referring to fig. 4 to 5, an upwardly protruding mounting protrusion 13 may be provided at an inner wall of the lower cover 11, the mounting protrusion 13 is configured as a ring structure, the heat-conducting shell 54 is adapted to be supported at an upper end of the mounting protrusion 13, and a bottom wall of the heat-conducting shell 54 and the inner wall of the mounting protrusion 13 may jointly define an inlet cavity 15, a plurality of water through holes 131 are provided on the inner wall of the mounting protrusion 13, the plurality of water through holes 131 are arranged around a circumferential direction of the mounting protrusion 13 at intervals, and the water through holes 131 are used for communicating the inlet cavity 15 with the water storage cavity.

The heat conducting shell 54 is provided with a metal piece 541 and a heat insulating peripheral wall 542, the heat insulating peripheral wall 542 is tubular, the number of the metal pieces 541 is two, the two metal pieces 541 are both plate-shaped, the two metal pieces 541 are respectively installed at the upper end and the lower end of the heat insulating peripheral wall 542, a closed placing space 543 is defined by the two metal pieces 541 and the heat insulating peripheral wall 542, a resistance heating member 53 is installed in the placing space 543, and the heat of the resistance heating member 53 can be respectively transferred to the two metal pieces 541. Wherein, the metalwork 541 that is located the upper end is used for the liquid contact with the water storage intracavity, make resistance heating member 53's heat can transmit the liquid department to the water storage chamber through metalwork 541 of upper end, in order to heat up the liquid in the water storage intracavity, and the metalwork 541 that is located the lower end is used for contacting with the liquid in the intake antrum 15, make resistance heating member 53's heat can transmit the liquid department to the intake antrum 15 through metalwork 541 of lower extreme, the liquid in the intake antrum 15 can carry out the heat transfer through the liquid in water hole 131 and the water storage intracavity. From this to realize the high-efficient heating to liquid in the water tank 1, do benefit to and reduce resistance heating member 53 and transmit the heat outside the water tank 1, improved resistance heating member 53's heating efficiency.

In some embodiments of the present invention, as shown in fig. 1, the tooth flushing device 100 of the embodiment of the present invention further includes an upper cover 3, the upper cover 3 is installed on the upper portion of the water tank 1, the power device 2 is installed on the water tank 1, and the lower end of the water inlet pipe 21 connected to the water inlet end of the power device 2 extends to the lower portion of the water tank 1; the nozzle 31 is mounted to the upper cover 3 and the water outlet end of the power unit 2 is connected to the nozzle 31 by a water outlet conduit 32 located in the upper cover 3.

For example, referring to fig. 1, the tooth flushing device 100 is provided with an upper cover 3, the upper cover 3 is suitable for being installed on the upper portion of the water tank 1, the upper cover 3 is used for defining a water storage cavity together with the water tank 1, the power device 2 is installed on the water tank 1, the water outlet end of the power device 2 is connected with the water inlet pipe 21, the lower end of the water inlet pipe 21 can extend to the bottom of the water storage cavity, the lower end of the water inlet pipe 21 is provided with an opening communicated with the water storage cavity, the power device 2 can pump water from the bottom of the water storage cavity through the water inlet pipe 21, so that the liquid in the water storage cavity can be effectively pumped, and the tooth flushing device 100 is prevented from having liquid residue. The nozzle 31 is installed on the outer side of the upper cover 3 (i.e. the upper side of the upper cover 3), i.e. the installation outlet end is located on the upper cover 3, the nozzle 31 can penetrate through the upper cover 3 to communicate with the inner side of the upper cover 3, the inner side of the upper cover 3 is installed with the water outlet pipeline 32, the upper end of the water outlet pipeline 32 is communicated with the nozzle 31, and the lower end of the water outlet pipeline 32 is used for being detachably connected with the water outlet end of the power device 2.

It can be understood that, by installing the water outlet pipeline 32 on the upper cover 3 and installing the power device 2 on the water tank 1, when the water tank 1 is detached from the upper cover 3, the water outlet pipeline 32 can be detached from the power device 2 along with the upper cover 3, the detachment and installation process is simple, the maintenance of the tooth flushing device 100 by a user is facilitated, and the satisfaction degree of the user is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A dental irrigator (100) comprising:

a water tank (1);

the water inlet end of the power device (2) is communicated with the water tank (1), and the water outlet end of the power device (2) is connected with the mounting outlet end suitable for mounting the nozzle (31);

a heating device configured for heating liquid within the tank (1) and/or for heating liquid flowing towards the mounting outlet end.

2. The dental irrigator (100) of claim 1, wherein said outlet end is connected to said mounting outlet end by an outlet conduit (32);

the heating device comprises a first heating component (4), and the first heating component (4) is used for heating the liquid in the water outlet pipeline (32).

3. The dental irrigator (100) according to claim 2, further comprising a first temperature detecting device (6) for detecting the temperature of water in the water outlet pipe (32), wherein the first temperature detecting device (6) and the first heating assembly (4) are respectively connected to a control unit of the dental irrigator (100), and the control unit controls the operating state of the first heating assembly (4) according to the temperature of water detected by the first temperature detecting device (6).

4. The dental irrigator (100) according to claim 2, wherein said first heating assembly (4) comprises:

a first heating element (41), said first heating element (41) being arranged within said water outlet conduit (32);

the first electromagnetic heating coil (42) is wound on the peripheral wall of the water outlet pipeline (32), the first electromagnetic heating coil (42) is electrically connected with a control unit of the tooth flushing device (100), and when the first electromagnetic heating coil (42) is electrified, the first heating piece (41) generates heat to heat liquid.

5. The dental irrigator (100) according to claim 4, further comprising a first thermal insulation member (8), said first thermal insulation member (8) being disposed within said water outlet conduit (32) between said first heating element (41) and an inner wall of said water outlet conduit (32).

6. The dental irrigator (100) according to claim 1, wherein the heating means comprise a second heating assembly (5), the second heating assembly (5) being located inside the water tank (1).

7. The dental irrigator (100) according to claim 6, wherein a water-tight space (14) is provided inside the tank (1), the second heating assembly (5) comprising:

the second heating piece (51), the said second heating piece (51) locates the inboard wall of the said water tank (1);

the second electromagnetic heating coil (52) is located in the water-resisting space (14), the second electromagnetic heating coil (52) is electrically connected with a control unit of the tooth flushing device (100), and when the second electromagnetic heating coil (52) is electrified, the second heating piece (51) generates heat to heat liquid.

8. The tooth-rinsing device (100) according to claim 7, characterized in that the inner wall of the water tank (1) is provided with an annular supporting protrusion (12), the tooth-rinsing device (100) further comprises a second heat insulation member (9), the second heat insulation member (9) is supported by the supporting protrusion (12), the inner spaces of the second heat insulation member (9) and the supporting protrusion (12) define the water-proof space (14), and the second heat generating member (51) is located on the side wall of the second heat insulation member (9) facing away from the water-proof space (14).

9. The dental irrigator (100) according to claim 6, wherein the second heating assembly (5) comprises a resistive heating element (53), the resistive heating element (53) being energized to heat the liquid.

10. The dental irrigator (100) according to claim 9, wherein said second heating assembly (5) further comprises:

the heating device comprises a heat conduction shell (54), at least one part of the heat conduction shell (54) is a metal piece (541), a closed placing space (543) is defined inside the heat conduction shell (54), and a resistance heating element (53) is arranged in the placing space (543).

11. The water pick (100) according to claim 10, wherein an annular mounting protrusion (13) is provided on an inner wall of the water tank (1), the mounting protrusion (13) is provided with a water through hole (131), the heat-conducting casing (54) is placed on the mounting protrusion (13), the heat-conducting casing (54) comprises the metal piece (541) and an annular heat-insulating peripheral wall (542) which are oppositely arranged, two ends of the heat-insulating peripheral wall (542) are respectively connected with the metal piece (541), and the heat-insulating peripheral wall (542) is in contact with the mounting protrusion (13).

12. The dental irrigator (100) of claim 1, further comprising a nozzle (31), said nozzle (31) being mounted to said mounting outlet end.

13. The tooth flusher (100) according to any one of claims 1 to 12, further comprising an upper cover (3), wherein the upper cover (3) is mounted to the upper part of the water tank (1), the power device (2) is mounted to the water tank (1), and the lower end of a water inlet pipe (21) connected with the water inlet end of the power device (2) extends to the lower part of the water tank (1);

the mounting outlet end is positioned on the upper cover (3), and the water outlet end of the power device (2) is connected with the mounting outlet end through a water outlet pipeline (32) positioned in the upper cover (3).

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