CN219993907U - Water supply assembly and tooth flushing device - Google Patents

Abstract

The utility model relates to a water supply assembly and a tooth flusher. A water supply assembly comprising: a first housing assembly; a pumping assembly disposed on the first housing assembly; the water inlet pipe fitting is connected with the first shell component; the air inlet assembly is connected with the water inlet pipe fitting, the air outlet is communicated with the opening, and the air inlet is used for being communicated with the external connection. According to the water supply assembly disclosed by the utility model, liquid is input into the pressurizing cavity from the water inlet pipe fitting through the operation of the pumping assembly, the pumping assembly continues to operate to output the liquid from the first liquid outlet after the liquid enters the pressurizing cavity, and the water inlet pipe fitting is communicated with the outside after passing through the air inlet assembly through the operation of the air inlet assembly.

Description

Water supply assembly and tooth flushing device

Technical Field

The utility model relates to the field of oral cavity cleaning equipment, in particular to a water supply assembly and a tooth washing device.

Background

Tooth flushers are increasingly used, cleaning of the inside of an oral cavity is required to be realized through the impact force of water flow in the use process of the tooth flusher, enough impact force is required to be realized for cleaning a cavity, but continuous impact can cause discomfort of partial sensitive people in the oral cavity, the impact force of the water flow is difficult to adjust, and too small impact force cannot realize cleaning effect.

Disclosure of Invention

Accordingly, it is necessary to provide a water supply assembly and a dental irrigator for solving the problem that the impact force of water flow is difficult to adjust.

A water supply assembly comprising: the first shell component is provided with a pressurizing cavity, a first liquid inlet and a first liquid outlet are formed in the first shell component, and the first liquid inlet and the first liquid outlet are respectively communicated with the pressurizing cavity; a pumping assembly disposed on the first housing assembly, the pumping assembly being at least partially within the pressurized cavity, the pumping assembly for pumping liquid within the pressurized cavity; the water inlet pipe fitting is provided with a second liquid inlet, a second liquid outlet and an opening, the opening is positioned between the second liquid inlet and the second liquid outlet, the water inlet pipe fitting is connected with the first shell component, and the second liquid outlet is communicated with the first liquid inlet; the air inlet assembly is provided with an air inlet and an air outlet, the air inlet assembly is connected with the water inlet pipe fitting, the air outlet is communicated with the opening, and the air inlet is used for being communicated with the external connection.

According to the water supply assembly disclosed by the utility model, liquid is input into the pressurizing cavity from the water inlet pipe fitting through the operation of the pumping assembly, the pumping assembly continuously operates to output the liquid from the first liquid outlet after the liquid enters the pressurizing cavity, the operation of the air inlet assembly can be controlled to adjust when the intensity of the liquid output from the first liquid outlet needs to be adjusted, the water inlet pipe fitting is communicated with the outside after passing through the air inlet assembly through the operation of the air inlet assembly, air enters the water inlet pipe fitting through the air inlet assembly when the pumping assembly is started after the air inlet assembly is operated, the liquid in the water inlet pipe fitting and the air entering the water inlet pipe fitting are mixed, and the air is mixed in the water column output when the liquid is output from the first liquid outlet, so that the intensity of the water column can be reduced, the experience of a user is improved, and the water supply assembly is suitable for more different crowds.

In one embodiment, the air inlet assembly comprises a valve body, a first pipe fitting and a second pipe fitting, two ends of the valve body are respectively connected with the first pipe fitting and the second pipe fitting, one end, far away from the valve body, of the first pipe fitting is provided with the air inlet, the second pipe fitting is connected with the water inlet pipe fitting, and one end, far away from the valve body, of the second pipe fitting is provided with the air outlet. The valve body can be opened when air needs to be taken in through the use of the valve body, so that the outside air can enter the first pipe fitting through the air inlet and enter the second pipe fitting through the opened valve body, the liquid mixed with the air along with the work of the pumping assembly is pumped out by the pumping assembly, the air can be controlled to be taken in through the use of the valve body, and the valve body is used according to the needs.

In one embodiment, the valve body is a solenoid valve. The electromagnetic valve can be used for realizing automatic air inlet and closing, is more convenient to operate, and can enable the use process to be more automatic.

In one embodiment, the valve body is a manual valve. The manual valve can be manually adjusted when air is required to be taken in, and the size of the air inlet can be adjusted according to different air intake requirements, so that the use is more convenient.

In one embodiment, the first housing assembly includes a first housing, a second housing, and a liquid intake assembly, the first housing is disposed on the second housing, the liquid intake assembly is disposed on the first housing and/or the second housing, the first housing, the second housing, and the liquid intake assembly enclose to form the pressurized cavity, the pumping assembly is disposed on the first housing and/or the second housing, and at least a portion of the pumping assembly extends into the liquid intake assembly. The pressurizing cavity for the pumping assembly to work can be formed through the cooperation of the first shell, the second shell and the liquid inlet assembly, and when the pumping assembly works, the part of the pumping assembly moves in the pressurizing cavity, so that the assembly is more convenient through the cooperation of the first shell, the second shell and the liquid inlet assembly.

In one embodiment, the liquid inlet assembly comprises a liquid passing shell, a liquid inlet pipe and a valve plate, wherein the liquid inlet pipe is arranged on the liquid passing shell, the valve plate is clamped between the liquid passing shell and the liquid inlet pipe, the valve plate can enable the liquid inlet shell to be communicated with or be closed to the liquid inlet pipe, the liquid inlet pipe is provided with a first liquid inlet, the liquid passing shell is provided with a first liquid outlet, and the liquid inlet pipe is connected with the water inlet pipe. The valve plate is arranged between the liquid passing shell and the liquid inlet pipe, so that a channel between the liquid passing shell and the liquid inlet pipe can be opened when the pumping assembly pumps liquid into the pressurizing cavity, the liquid can smoothly enter the pressurizing cavity, and the valve plate can seal the channel between the liquid passing shell and the liquid inlet pipe when the pumping assembly outputs the liquid from the pressurizing cavity.

In one embodiment, the device further comprises a second sealing ring, wherein the second sealing ring is arranged between the liquid passing shell and the liquid inlet pipe. The clearance between the liquid shell and the feed liquor pipe can be sealed through the setting of second sealing ring, can avoid the weeping, promotes life.

In one embodiment, the water inlet pipe comprises a connecting pipe, a third pipe and a fourth pipe, two ends of the connecting pipe are respectively connected with the third pipe and the fourth pipe, one end, far away from the connecting pipe, of the third pipe is provided with the second liquid inlet, the connecting pipe is connected with the air inlet component, the opening is formed in the connecting pipe, the fourth pipe is connected with the first shell component, and one end, far away from the connecting pipe, of the fourth pipe is provided with the second liquid outlet. The limiting of the pipe fitting can be facilitated through the arrangement of the connecting pipe, and the third pipe fitting, the fourth pipe fitting and the air inlet component are connected, so that the product is more stable and reliable.

In one embodiment, the water inlet pipe further comprises a filter assembly connected with the third pipe, the filter assembly is located at the second liquid inlet, and the filter assembly is used for filtering liquid flowing through. Through setting up filter component and can regard as the balancing weight, the second inlet will fall the bottom and can not take place the swing when using when needs water intaking when using the third pipe fitting, uses more stably.

In one embodiment, the filter assembly comprises a filter shell body, a cover body and a filter screen, wherein the cover body is arranged on the filter shell body, the cover body and the filter shell body enclose to form a filter cavity, the filter screen is positioned in the filter cavity, and the filter screen is used for filtering liquid flowing through. Can realize quick installation and dismantlement through the cooperation of filtering shell body and lid, set up the filter screen in the filter chamber and can filter better, and can demolish the lid and clean when the filter screen is blockked up.

In one embodiment, the sealing device further comprises a first sealing ring, wherein the first sealing ring is clamped between the connecting pipe and the third pipe fitting. The tightness between the connecting pipe and the third pipe fitting can be ensured through the arrangement of the first sealing ring, and the service performance of the product is improved.

In one embodiment, the pumping assembly comprises a driving member, an eccentric member and a piston member, wherein the driving member is arranged on the first housing assembly, the eccentric member is arranged on the first housing assembly, the driving member is in transmission connection with the eccentric member, the piston member is in transmission connection with the eccentric member, and the piston member can move in the pressurizing cavity. The eccentric part is driven to move through the work of the driving part, the piston part is driven to do periodic reciprocating motion when the eccentric part moves, the movable space in the pressurizing cavity is increased or reduced when the piston part does periodic reciprocating motion, the input of liquid and the pressurizing output of the input liquid can be stably carried out through the movement of the piston part, and the product is stable in use.

In a second aspect, the present utility model discloses a dental rinse comprising: the water supply assembly; the water tank assembly is provided with a liquid storage cavity, the water supply assembly is arranged on the water tank assembly, and one end of the water inlet pipe fitting, which is provided with the second liquid inlet, extends into the liquid storage cavity; a second housing assembly disposed on the tank assembly; the water outlet assembly is arranged on the water supply assembly and is positioned at the first liquid outlet; the water outlet nozzle is communicated with the water outlet assembly; and the control assembly is arranged on the second shell assembly.

The second aspect of the utility model discloses a tooth washing device, which is characterized in that liquid is stored in a water tank assembly, when the tooth washing device is used, a control assembly is used for controlling a water supply assembly to convey the stored liquid to a water outlet assembly, the liquid conveyed to the water outlet assembly is output by a water outlet nozzle, and the arrangement of a second shell assembly protects an internal structure and ensures the stability of a product.

Drawings

FIG. 1 is a first perspective view of a water supply assembly;

FIG. 2 is a first exploded view of the water supply assembly;

FIG. 3 is a second exploded view of the water supply assembly;

FIG. 4 is a first perspective view of the housing assembly and pumping assembly;

FIG. 5 is a first exploded view of the housing assembly and pumping assembly;

FIG. 6 is a second perspective view of the housing assembly and pumping assembly;

FIG. 7 is a second exploded view of the housing assembly and pumping assembly;

FIG. 8 is a first perspective view of a liquid inlet assembly;

FIG. 9 is a first exploded view of the feed assembly;

FIG. 10 is a second perspective view of the liquid inlet assembly;

FIG. 11 is a second exploded view of the feed assembly;

FIG. 12 is a cross-sectional view of a liquid inlet assembly;

FIG. 13 is a perspective view of a water inlet fitting and air inlet assembly;

FIG. 14 is an exploded view of the water inlet pipe;

FIG. 15 is a perspective view of an air intake assembly;

fig. 16 is a perspective view of the dental irrigator;

fig. 17 is an exploded view of the dental irrigator.

Wherein, the correspondence between the reference numerals and the component names is:

100 a water supply assembly;

1 a shell component, 11 a first shell, 12 a second shell, 13 a liquid inlet component, 131 a liquid passing shell, 132 a liquid inlet pipe, 133 a valve plate, 134 a second sealing ring, 101 a pressurizing cavity, 102 a first liquid inlet and 103 a first liquid outlet;

2 a pumping assembly, 21 a driving member, 22 an eccentric member, 23 a piston member;

3 water inlet pipe fittings, 31 connecting pipe, 32 third pipe fittings, 33 fourth pipe fittings, 34 filter components, 341 filter shell body, 342 cover body, 343 filter screen, 35 first sealing ring, 301 second liquid inlet, 302 second liquid outlet and 303 openings;

4 air inlet component, 41 valve body, 42 first pipe fitting, 43 second pipe fitting, 401 air inlet, 402 air outlet;

200 a water tank assembly;

300 a housing assembly;

400 water outlet components;

500 water outlet nozzle;

600 control components.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

The water supply assembly and the dental irrigator according to some embodiments of the present utility model will be described below with reference to the accompanying drawings.

As shown in fig. 1 to 15, the present embodiment discloses a water supply assembly including: the first shell component 1, the first shell component 1 is provided with a pressurizing cavity 101, the first shell component 1 is provided with a first liquid inlet 102 and a first liquid outlet 103, and the first liquid inlet 102 and the first liquid outlet 103 are respectively communicated with the pressurizing cavity 101; a pumping assembly 2, the pumping assembly 2 being arranged on the first housing assembly 1, the pumping assembly 2 being at least partially located within the pressurized cavity 101, the pumping assembly 2 being arranged to pump liquid within the pressurized cavity 101; the water inlet pipe fitting 3 is provided with a second liquid inlet 301, a second liquid outlet 302 and an opening 303, the opening 303 is positioned between the second liquid inlet 301 and the second liquid outlet 302, the water inlet pipe fitting 3 is connected with the first shell component 1, and the second liquid outlet 302 is communicated with the first liquid inlet 102; the air inlet assembly 4, the air inlet assembly 4 has been offered and has been had air inlet 401 and gas outlet 402, and air inlet assembly 4 is connected with intake pipe fitting 3, and gas outlet 402 and opening 303 intercommunication, air inlet 401 are used for with external intercommunication.

According to the water supply assembly disclosed by the utility model, liquid is input into the pressurizing cavity from the water inlet pipe fitting 3 through the work of the pumping assembly 2, the pumping assembly 2 continues to work to output the liquid from the first liquid outlet 103 after the liquid enters the pressurizing cavity, the work of the air inlet assembly 4 can be controlled to adjust when the intensity of the liquid output from the first liquid outlet 103 needs to be adjusted, the water inlet pipe fitting 3 is communicated with the outside through the air inlet assembly 4 by controlling the work of the air inlet assembly 4, air enters the water inlet pipe fitting 3 through the air inlet assembly 4 when the pumping assembly 2 works after the air inlet assembly 4 is started, the liquid in the water inlet pipe fitting 3 and the air entering the water inlet pipe fitting are mixed, and the air is mixed in the water column output by the first liquid outlet 103, so that the intensity of a water column can be reduced, the experience of a user is improved, and the water supply assembly is suitable for more different people.

As shown in fig. 13 to 15, this embodiment further defines, in addition to the features of the above-described embodiment: the air inlet assembly 4 comprises a valve body 41, a first pipe fitting 42 and a second pipe fitting 43, two ends of the valve body 41 are respectively connected with the first pipe fitting 42 and the second pipe fitting 43, an air inlet 401 is formed in one end, far away from the valve body 41, of the first pipe fitting 42, the second pipe fitting 43 is connected with the water inlet pipe fitting 3, and an air outlet 402 is formed in one end, far away from the valve body 41, of the second pipe fitting 43. When the valve body 41 is used, the valve body 41 can be opened when air needs to be taken in, so that external air can enter the first pipe fitting 42 through the air inlet 401 and enter the second pipe fitting 43 through the opened valve body 41, liquid mixed with air along with the operation of the pumping assembly 2 is pumped out by the pumping assembly 2, the air can be controlled through the use of the valve body 41, and the air can be taken in according to the needs.

In addition to the features of the above embodiments, the present embodiment further defines: the valve body 41 is a solenoid valve. The electromagnetic valve can be used for realizing automatic air inlet and closing, is more convenient to operate, and can enable the use process to be more automatic.

In addition to the features of the above embodiments, the present embodiment further defines: the valve body 41 is a manual valve. The manual valve can be manually adjusted when air is required to be taken in, and the size of the air inlet can be adjusted according to different air intake requirements, so that the use is more convenient.

As shown in fig. 5 to 12, this embodiment further defines, in addition to the features of the above-described embodiment: the first housing assembly 1 comprises a first housing 11, a second housing 12 and a liquid inlet assembly 13, wherein the first housing 11 is arranged on the second housing 12, the liquid inlet assembly 13 is arranged on the first housing 11 and/or the second housing 12, the first housing 11, the second housing 12 and the liquid inlet assembly 13 are enclosed to form a pressurizing cavity 101, the pumping assembly 2 is arranged on the first housing 11 and/or the second housing 12, and at least part of the pumping assembly 2 extends into the liquid inlet assembly 13. The pressurizing cavity 101 for the pumping assembly 2 to work can be formed through the cooperation of the first shell 11, the second shell 12 and the liquid inlet assembly 13, and when the pumping assembly 2 works, part of the pumping assembly 2 moves in the pressurizing cavity 101, so that the assembly is more convenient through the cooperation of the first shell 11, the second shell 12 and the liquid inlet assembly 13.

As shown in fig. 8 to 12, this embodiment further defines, in addition to the features of the above-described embodiment: the liquid inlet component 13 comprises a liquid passing shell 131, a liquid inlet pipe 132 and a valve plate 133, wherein the liquid inlet pipe 132 is arranged on the liquid passing shell 131, the valve plate 133 is clamped between the liquid passing shell 131 and the liquid inlet pipe 132, the valve plate 133 can enable the liquid inlet shell 131 to be communicated with or closed off the liquid inlet pipe 132, the liquid inlet pipe 132 is provided with a first liquid inlet 102, the liquid passing shell 131 is provided with a first liquid outlet 103, and the liquid inlet pipe 132 is connected with the water inlet pipe fitting 3. By arranging the valve plate 133 between the liquid passing shell 131 and the liquid inlet pipe 132, the passage between the liquid passing shell 131 and the liquid inlet pipe 132 can be opened when the pumping assembly 2 pumps liquid into the pressurizing cavity 101, so that the liquid can smoothly enter the pressurizing cavity 101, and the passage between the liquid passing shell 131 and the liquid inlet pipe 132 can be closed by the valve plate 133 when the pumping assembly 2 outputs the liquid from the pressurizing cavity 101.

As shown in fig. 8 to 12, this embodiment further defines, in addition to the features of the above-described embodiment: and a second sealing ring 134, wherein the second sealing ring 134 is arranged between the liquid passing shell 131 and the liquid inlet pipe 132. The gap between the liquid passing shell 131 and the liquid inlet pipe 132 can be sealed through the arrangement of the second sealing ring 134, liquid leakage can be avoided, and the service life is prolonged.

As shown in fig. 13 and 14, this embodiment further defines, in addition to the features of the above-described embodiment: the water inlet pipe fitting 3 comprises a connecting pipe 31, a third pipe fitting 32 and a fourth pipe fitting 33, two ends of the connecting pipe 31 are respectively connected with the third pipe fitting 32 and the fourth pipe fitting 33, a second liquid inlet 301 is formed in one end, far away from the connecting pipe 31, of the third pipe fitting 32, the connecting pipe 31 is connected with the air inlet assembly 4, an opening 303 is formed in the connecting pipe 31, the fourth pipe fitting 33 is connected with the first shell assembly 1, and a second liquid outlet 302 is formed in one end, far away from the connecting pipe 31, of the fourth pipe fitting 33. The limiting of the pipe fitting can be facilitated through the arrangement of the connecting pipe 31, and the third pipe fitting 32, the fourth pipe fitting 33 and the air inlet assembly 4 are connected, so that the product is more stable and reliable.

As shown in fig. 13 and 14, this embodiment further defines, in addition to the features of the above-described embodiment: the water inlet pipe fitting 3 further comprises a filter assembly 34, the filter assembly 34 is connected with the third pipe fitting 32, the filter assembly 34 is located at the second liquid inlet 301, and the filter assembly 34 is used for filtering liquid flowing through. By providing the filter assembly 34 as a counterweight, the third tube 32 will fall to the bottom of the second inlet 301 when in use and will not swing when in use and require water to enter, thereby being more stable in use.

As shown in fig. 14, in addition to the features of the above embodiment, the present embodiment further defines: the filter assembly 34 includes a filter housing body 341, a cover 342 and a filter screen 343, the cover 342 is disposed on the filter housing body 341, the cover 342 and the filter housing body 341 enclose to form a filter cavity, the filter screen 343 is disposed in the filter cavity, and the filter screen 343 is used for filtering liquid flowing through. Through the cooperation of filtering shell body 341 and lid 342 can realize quick installation and dismantlement, set up filter screen 343 in the filter chamber and can filter better, and can dismantle lid 342 when filter screen 343 is blockked up and clean.

As shown in fig. 14, in addition to the features of the above embodiment, the present embodiment further defines: also included is a first sealing ring 35, the first sealing ring 35 being sandwiched between the connection pipe 31 and the third pipe 32. The tightness between the connecting pipe 31 and the third pipe fitting 32 can be ensured by the arrangement of the first sealing ring 35, and the service performance of the product is improved.

As shown in fig. 5 and 7, this embodiment further defines, in addition to the features of the above-described embodiment: the pumping assembly 2 comprises a driving member 21, an eccentric member 22 and a piston member 23, wherein the driving member 21 is arranged on the first housing assembly 1, the eccentric member 22 is arranged on the first housing assembly 1, the driving member 21 is in transmission connection with the eccentric member 22, the piston member 23 is in transmission connection with the eccentric member 22, and the piston member 23 can move in the pressurizing cavity 101. The eccentric member 22 is driven to move through the operation of the driving member 21, the piston member 23 is driven to perform periodic reciprocating motion when the eccentric member 22 moves, the movable space in the pressurizing cavity 101 is increased or decreased when the piston member 23 performs periodic reciprocating motion, the input of liquid and the pressurizing output of the input liquid can be stably performed through the movement of the piston member 23, and the product use is stable.

As shown in fig. 16 to 17, the present embodiment discloses a dental irrigator, comprising: the water supply assembly 100 described above; the water tank assembly 200, the water tank assembly 200 is provided with a liquid storage cavity, the water supply assembly 100 is arranged on the water tank assembly 200, and one end of the water inlet pipe fitting 3 with the second liquid inlet 301 extends into the liquid storage cavity; a second housing assembly 300, the second housing assembly 300 being disposed on the water tank assembly 200; the water outlet assembly 400 is arranged on the water supply assembly 100, and the water outlet assembly 400 is positioned at the first liquid outlet 103; a spout 500, the spout 500 being in communication with the water outlet assembly 400; and a control assembly 600, the control assembly 600 being disposed on the second housing assembly 300.

The second aspect of the present utility model discloses a tooth-rinsing device, in which the water tank assembly 200 stores liquid, the control assembly 600 controls the water supply assembly 100 to deliver the stored liquid to the water outlet assembly 400, the liquid delivered to the water outlet assembly 400 is delivered from the water outlet nozzle 500, and the second housing assembly 300 is provided to protect the internal structure, thereby ensuring the stability of the product.

As shown in fig. 17, in addition to the features of the above embodiment, the present embodiment further defines: the water tank assembly 200 includes a tank body 201 and a base 202, the base 202 is disposed on the tank assembly 201, and the water supply assembly 100 is disposed on the base 202.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A water supply assembly, comprising:

the device comprises a first shell component (1), wherein the first shell component (1) is provided with a pressurizing cavity (101), the first shell component (1) is provided with a first liquid inlet (102) and a first liquid outlet (103), and the first liquid inlet (102) and the first liquid outlet (103) are respectively communicated with the pressurizing cavity (101);

-a pumping assembly (2), the pumping assembly (2) being arranged on the first housing assembly (1), the pumping assembly (2) being at least partially located within the pressurizing chamber (101), the pumping assembly (2) being for pumping a liquid within the pressurizing chamber (101);

the water inlet pipe fitting (3), a second liquid inlet (301), a second liquid outlet (302) and an opening (303) are formed in the water inlet pipe fitting (3), the opening (303) is located between the second liquid inlet (301) and the second liquid outlet (302), the water inlet pipe fitting (3) is connected with the first shell component (1), and the second liquid outlet (302) is communicated with the first liquid inlet (102);

the air inlet assembly (4), air inlet (401) and gas outlet (402) have been seted up to air inlet assembly (4), air inlet assembly (4) with intake pipe fitting (3) are connected, gas outlet (402) with opening (303) intercommunication, air inlet (401) are used for with external intercommunication.

2. The water supply assembly according to claim 1, wherein the air inlet assembly (4) comprises a valve body (41), a first pipe fitting (42) and a second pipe fitting (43), two ends of the valve body (41) are respectively connected with the first pipe fitting (42) and the second pipe fitting (43), one end, away from the valve body (41), of the first pipe fitting (42) is provided with the air inlet (401), the second pipe fitting (43) is connected with the water inlet pipe fitting (3), and one end, away from the valve body (41), of the second pipe fitting (43) is provided with the air outlet (402).

3. The water supply assembly of claim 2, wherein the water supply assembly,

the valve body (41) is an electromagnetic valve; or (b)

The valve body (41) is a manual valve.

4. The water supply assembly according to claim 1, wherein the first housing assembly (1) comprises a first housing (11), a second housing (12) and a liquid inlet assembly (13), the first housing (11) is arranged on the second housing (12), the liquid inlet assembly (13) is arranged on the first housing (11) and/or the second housing (12), the first housing (11), the second housing (12) and the liquid inlet assembly (13) enclose to form the pressurizing cavity (101), the pumping assembly (2) is arranged on the first housing (11) and/or the second housing (12), and at least part of the pumping assembly (2) extends into the liquid inlet assembly (13).

5. The water supply assembly according to claim 4, wherein the liquid inlet assembly (13) comprises a liquid passing shell (131), a liquid inlet pipe (132) and a valve plate (133), the liquid inlet pipe (132) is arranged on the liquid passing shell (131), the valve plate (133) is clamped between the liquid passing shell (131) and the liquid inlet pipe (132), the valve plate (133) can enable the liquid passing shell (131) to be communicated with or be closed with the liquid inlet pipe (132), the liquid inlet pipe (132) is provided with the first liquid inlet (102), the liquid passing shell (131) is provided with the first liquid outlet (103), and the liquid inlet pipe (132) is connected with the water inlet pipe fitting (3).

6. The water supply assembly according to claim 1, wherein the water inlet pipe (3) comprises a connecting pipe (31), a third pipe (32) and a fourth pipe (33), two ends of the connecting pipe (31) are respectively connected with the third pipe (32) and the fourth pipe (33), one end, far away from the connecting pipe (31), of the third pipe (32) is provided with the second liquid inlet (301), the connecting pipe (31) is connected with the air inlet assembly (4), the connecting pipe (31) is provided with the opening (303), the fourth pipe (33) is connected with the first shell assembly (1), and one end, far away from the connecting pipe (31), of the fourth pipe (33) is provided with the second liquid outlet (302).

7. The water supply assembly according to claim 6, wherein the water inlet pipe (3) further comprises a filter assembly (34), the filter assembly (34) being connected to the third pipe (32), the filter assembly (34) being located at the second liquid inlet (301), the filter assembly (34) being adapted to filter the liquid flowing therethrough.

8. The water supply assembly of claim 7, wherein the water supply assembly,

the filtering assembly (34) comprises a filtering shell body (341), a cover body (342) and a filter screen (343), wherein the cover body (342) is arranged on the filtering shell body (341), the cover body (342) and the filtering shell body (341) are enclosed to form a filtering cavity, the filter screen (343) is positioned in the filtering cavity, and the filter screen (343) is used for filtering liquid flowing through; and/or

The device further comprises a first sealing ring (35), wherein the first sealing ring (35) is clamped between the connecting pipe (31) and the third pipe fitting (32).

9. The water supply assembly according to claim 1, characterized in that the pumping assembly (2) comprises a driving member (21), an eccentric member (22) and a piston member (23), the driving member (21) being arranged on the first housing assembly (1), the eccentric member (22) being arranged on the first housing assembly (1), the driving member (21) being in driving connection with the eccentric member (22), the piston member (23) being movable within the pressurizing chamber (101).

10. A dental irrigator, comprising:

the water supply assembly (100) of any one of claims 1 to 9;

the water tank assembly (200), the water tank assembly (200) is provided with a liquid storage cavity, the water supply assembly (100) is arranged on the water tank assembly (200), and one end of the water inlet pipe fitting (3) with the second liquid inlet (301) extends into the liquid storage cavity;

-a second housing assembly (300), said second housing assembly (300) being arranged on said water tank assembly (200);

a water outlet assembly (400), wherein the water outlet assembly (400) is arranged on the water supply assembly (100), and the water outlet assembly (400) is positioned at the first liquid outlet (103);

a water outlet nozzle (500), the water outlet nozzle (500) being in communication with the water outlet assembly (400);

-a control assembly (600), said control assembly (600) being arranged on said second housing assembly (300).