CN216823729U - Tooth flushing device and tooth flushing device - Google Patents

Abstract

The technical scheme of the utility model provides a tooth flushing device and a tooth flushing device, which comprise: the shell assembly is provided with an installation cavity and a pipe fitting inlet and a nozzle interface, and the pipe fitting inlet can be used for inputting a pipe fitting; the water path assembly is arranged in the installation cavity, the water path assembly is provided with a liquid passing cavity, the water path assembly is provided with a pipeline interface and a water outlet, the pipeline interface and the water outlet are communicated with the liquid passing cavity, the water path assembly is matched with the shell assembly, and the water outlet is communicated with the nozzle interface; the sprayer is arranged on the shell assembly and is arranged at the sprayer interface, and the sprayer is communicated with the liquid passing cavity after passing through the sprayer interface and the water outlet. The water path assembly is arranged in the mounting cavity in the shell assembly, the shell assembly can be communicated with the pipe fitting through the pipe fitting inlet to convey liquid for the water path assembly, and the liquid passing cavity in the water path assembly can be used for flowing through the liquid.

Description

Tooth flushing device and tooth flushing device

Technical Field

The utility model relates to the field of household appliances, in particular to a tooth flushing device and a tooth flushing device.

Background

As an oral cleaning appliance, the electric tooth flusher is increasingly one of essential nursing articles for many families along with the development of the society, and the cleaning principle is mainly to clean food scraps plugged in tooth gaps by using the impact force of high-speed water columns sprayed out by a water pump device and protect the oral health of people. However, the user need adjust to the washing pressure who is fit for oneself when using, and the domestic desk-top tooth ware of washing on the market all sets up control panel, water pump in the host computer body, and the user need stretch out the hand and go the host computer control when using, and the operation is inconvenient and can not in time control, and the intercommunication between water inlet water route and the play water route is inconvenient, simultaneously also inconvenient dismantlement, inconvenient later maintenance change battery and repair.

SUMMERY OF THE UTILITY MODEL

Therefore, the tooth flusher and the tooth flushing device are provided aiming at the problems of installation of a water pump device of the tooth flushing device and the like.

The technical scheme of the utility model discloses a tooth flushing device, which comprises: the shell assembly is provided with an installation cavity, the shell assembly is provided with a pipe fitting inlet and a spray head interface, and the pipe fitting inlet can be used for inputting a pipe fitting; the water path assembly is arranged in the installation cavity, the water path assembly is provided with a liquid passing cavity, the water path assembly is provided with a pipeline interface and a water outlet, the pipeline interface and the water outlet are communicated with the liquid passing cavity, the water path assembly is matched with the shell assembly, and the water outlet is communicated with the nozzle interface; the sprayer is arranged on the shell assembly and is arranged at the sprayer interface, and the sprayer is communicated with the liquid passing cavity after passing through the sprayer interface and the water outlet.

The utility model provides a tooth washing device, in order to simplify the installation structure, a water path component is arranged in an installation cavity in a shell component, the shell component can be communicated with a pipe fitting through an inlet of the pipe fitting to convey liquid for the water path component, a liquid passing cavity in the water path component can be used for flowing through the liquid, the integrated water path component enables the overall structure to be simpler and more convenient to assemble, and when the tooth washing device works, the liquid can reach a water outlet of the water path component through the liquid passing cavity of the water path component and then reach a spray head under the action of the water path component, so that the tooth washing device can be used for washing teeth for a user.

In one of them embodiment, still include the retaining member, the retaining member sets up on the casing subassembly, the retaining member can the last removal of casing subassembly, the retaining member is in the last primary importance and the second place of having at least when removing of casing subassembly, the retaining member is located when the primary importance the retaining member with the shower nozzle offsets, the retaining member is right the shower nozzle carries on spacingly, the retaining member is located when the second place the retaining member with the shower nozzle separation. The retaining member is used for locking fixedly to male towards tooth ware shower nozzle, and when the retaining member was located the primary importance, when retaining member and shower nozzle looks butt, the retaining member can be used to fix the shower nozzle, prevents that the shower nozzle is not hard up, and when the retaining member was located the second place, retaining member and shower nozzle separation had certain clearance apart from the predetermined distance, and the shower nozzle can be dismantled to take off at this moment and change between retaining member and the shower nozzle promptly.

In one embodiment, the locking member includes a limiting plate, a limiting claw and a spring, a guiding channel is formed on the housing assembly, the limiting plate is disposed on the housing assembly, the limiting plate is located at the guiding channel, the limiting plate can slide at the guiding channel, the limiting claw is disposed on the limiting plate, a movable gap is formed between a hook portion of the limiting claw and the limiting plate, a limiting protrusion is formed on the housing assembly, the limiting protrusion is located in the movable gap, one end of the spring abuts against the housing assembly, the other end of the spring abuts against the limiting plate, a limiting hole is formed in the limiting plate, and the limiting hole can allow the spray head to pass through. Limiting plate and the spring combined action direction passageway that is equipped with on housing assembly slide, when the spring is compressed, can provide thrust for the slip in-process of limiting plate, it is fixed to realize locking the male tooth ware shower nozzle of dashing, form the free gap between the hook portion of the spacing claw that sets up and the limiting plate, spacing arch is located the free gap, can be used to spacing to the retaining member, prevent to take off in the use, further be equipped with spacing hole on the limiting plate, can be spacing moving the in-process to the limiting plate.

In one embodiment, the waterway assembly comprises a supporting pipe, a first connecting end and a liquid guide pipe, wherein the supporting pipe is connected with the liquid guide pipe, the supporting pipe is provided with a pipe passage, the liquid guide pipe is provided with the liquid passing cavity, the first connecting end is clamped between the supporting pipe and the liquid guide pipe, one end of the first connecting end extends into the pipe passage, and the other end of the first connecting end is communicated with the liquid passing cavity. By connecting the liquid guiding pipe fitting with the first connecting end and the supporting pipe fitting respectively, liquid can be input into the liquid passing cavity arranged on the liquid guiding pipe fitting through the pipe fitting channel, and the liquid passing cavity is conveniently connected with the pipe fitting channel by arranging the liquid guiding pipe fitting.

In one embodiment, the sealing device further comprises a first sealing element, the first sealing element is clamped between the liquid guide pipe fitting and the first connecting end, and the first sealing element is used for sealing a gap between the liquid guide pipe fitting and the first connecting end.

The first sealing element can better seal a gap between the first connecting end and the liquid guide pipe fitting, so that the air tightness is improved, water leakage is prevented, and the service life is prolonged.

In one embodiment, the first connecting end comprises a limiting part and a plug part, the limiting part is arranged on the plug part, the diameter of the limiting part is larger than that of the plug part, the first sealing element is arranged on the limiting part, the limiting part is connected with the liquid guide pipe fitting, the plug part is connected with the supporting pipe fitting, and through holes communicated with the pipe fitting channel are respectively formed in the limiting part and the plug part. The first connection end is positioned under the interaction of the limiting part and the inserting part, and when the first connection end is under the pressure of water in the using process, the interaction of the limiting part and the inserting part can effectively improve the connection stability of the limiting part and the liquid guide pipe fitting as well as the connection stability of the inserting part and the support pipe fitting.

Furthermore, an annular flange is arranged on the outer wall of the first connecting end.

In one embodiment, the liquid guiding pipe comprises a base and a column body, the column body is arranged on the base, through holes communicated with the pipe passage are respectively formed in the column body and the base, the column body is provided with the liquid passing cavity, and the base is connected with the supporting pipe. The base is connected with the supporting pipe fitting, provides the installation stability of drain pipe fitting, and the column casing is provided with the liquid chamber for can be better carry liquid to shower nozzle department.

In one embodiment, the housing assembly includes a supporting housing and a cover, the cover is disposed on the supporting housing, the cover can rotate relative to the supporting housing, a first opening is disposed on the supporting housing, the cover is provided with the nozzle interface, the first opening is communicated with the nozzle interface, the cover at least partially covers the first opening, and the nozzle can be placed in the installation cavity through the nozzle interface. The lid supports the casing relatively and rotates, and the person of facilitating the use takes towards tooth ware, and the installation cavity of setting on support housing can be used to place the shower nozzle, has improved the also better simplified structure when accomodating the nature, and the lid establishes on support housing, because first opening and shower nozzle interface intercommunication, the shower nozzle of can being convenient for install in housing assembly's installation cavity, also for the maintenance and the clearance in later stage provide the convenience.

Optionally, the support housing includes a housing body and a bottom cover, the housing body is disposed on the bottom cover, an installation cavity is disposed in the housing body, at least a portion of the bottom cover is disposed in the installation cavity, and the waterway assembly is disposed on the bottom cover.

In one embodiment, a second seal is included in a gap between the housing assembly, the waterway assembly, and the sprinkler. The setting of second sealing member has improved the sealing performance between casing subassembly, water route subassembly and the shower nozzle, improves the gas tightness, prevents to leak, increase of service life.

Embodiments of a second aspect of the present application provide a tooth irrigation device comprising: the tooth flushing device comprises a machine body assembly and the tooth flushing device, and further comprises a first control assembly, wherein the first control assembly is arranged on the shell assembly; the water pump device is arranged on the machine body assembly and is communicated with the water path assembly of the tooth flushing device through a pipe fitting; a second control assembly electrically connected with the water pump device and the first control assembly.

The application discloses towards tooth ware, through set up first control assembly in towards tooth ware, water pumping plant, second control assembly and above-mentioned fuselage subassembly, wherein first control assembly has signal controller, but remote control emission instruction is to the second control assembly on, the second control assembly receives the instruction that first control assembly sent, furthermore, be connected with water pumping plant electricity again, when towards tooth ware during operation, under water pumping plant's effect, liquid in the water route subassembly is carried in towards tooth ware via water pumping plant, provide liquid for the user and be used for wasing the tooth, thereby realize towards the function of tooth ware, supply the consumer to use and wash the tooth.

In one embodiment, the first control assembly comprises a control board, a battery and a mounting bracket, wherein a mounting notch is arranged on one side of the mounting bracket, the battery is arranged on the mounting notch, and the control board is arranged on the other side of the mounting bracket. The mounting bracket can simultaneously mount the control panel and the battery, and the control panel and the battery are arranged relatively, so that the use is not influenced, the assembly practicability is improved, the assembly space is reasonably utilized, the structure is simplified, and the cost is reduced.

Optionally, a control key is arranged on the control panel, and the control panel is electrically connected with the control key.

Drawings

FIG. 1 is an exploded view of the housing assembly;

FIG. 2 is a schematic view of the waterway assembly;

FIG. 3 is an exploded view of the first control assembly;

FIG. 4 is an exploded view of the retaining member;

FIG. 5 is a view of a support tube;

FIG. 6 is a partial schematic structural view;

FIG. 7 is a cross-sectional view of the dental irrigator;

fig. 8 is a schematic view of the whole machine.

Wherein, the corresponding relation between the reference signs and the component names is as follows:

1, a shell assembly, 11 support shells, 111 shell bodies, 112 bottom covers, 12 cover bodies, 13 limiting pieces and 14 guide channels;

2, a waterway assembly, 21 a support pipe, 22 a first connecting end, 23 a liquid guide pipe and 24 a first sealing element;

3, a spray head;

4, locking parts, 41 limit plates, 42 limit claws, 43 springs and 44 limit holes;

5 a first control assembly, 51 a control panel, 52 a battery, 53 a mounting bracket;

6 a second seal;

100 a fuselage assembly;

200 water pump device.

Detailed Description

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

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments of the present invention are described below with reference to the accompanying drawings, illustrating a tooth flushing device.

As shown in fig. 1 to 7, an embodiment of the present invention discloses a tooth rinsing device, comprising: the device comprises a shell assembly 1, wherein the shell assembly 1 is provided with an installation cavity, the shell assembly 1 is provided with a pipe fitting inlet and a spray nozzle interface, and the pipe fitting inlet can be used for inputting a pipe fitting; the water path component 2 is arranged in the installation cavity, the water path component 2 is provided with a liquid passing cavity, the water path component 2 is provided with a pipeline interface and a water outlet, the pipeline interface and the water outlet are communicated with the liquid passing cavity, the water path component 2 is matched with the shell component 1, and the water outlet is communicated with the nozzle interface; and the spray head 3 is arranged on the shell component 1, the spray head 3 is arranged at the spray head interface, and the spray head 3 is communicated with the liquid passing cavity after passing through the spray head interface and the water outlet.

The utility model provides a tooth washing device, in order to simplify the installation structure, a water path component 2 is arranged in an installation cavity in a shell component 1, the shell component 1 can be communicated with a pipe fitting through an inlet of the pipe fitting to convey liquid for the water path component 2, a liquid passing cavity in the water path component 2 can be used for flowing through the liquid, the integrated water path component enables the overall structure to be simpler and more convenient to assemble, and when the tooth washing device works, the liquid can reach a water outlet of the water path component 2 through the liquid passing cavity of the water path component 2 under the action of the water path component 2 and then reach a spray head 3, so that the tooth washing device can be used for washing teeth for a user.

As shown in fig. 7, in addition to the features of the above embodiment, the present embodiment further defines: still include retaining member 4, retaining member 4 sets up on casing subassembly 1, and retaining member 4 can move on casing subassembly 1, and retaining member 4 has primary importance and second place at least when moving on casing subassembly 1, and retaining member 4 offsets with shower nozzle 3 when retaining member 4 is located the primary importance, and retaining member 4 is spacing to shower nozzle 3, and retaining member 4 separates with shower nozzle 3 when retaining member 4 is located the second place. Retaining member 4 is used for locking fixedly inserting towards tooth ware shower nozzle 3, and when retaining member 4 was located the primary importance, retaining member 4 can be used to fix shower nozzle 3 when 3 looks butt of shower nozzle, prevents that shower nozzle 3 is not hard up, and when retaining member 4 was located the second place, retaining member 4 and 3 separation of shower nozzle had certain clearance apart from predetermineeing the distance, has promptly between retaining member 4 and the shower nozzle 3, and shower nozzle 3 can be dismantled to take off and change this moment.

As shown in fig. 1 and 4, in addition to the features of the above embodiment, the present embodiment further defines: retaining member 4 includes limiting plate 41, spacing claw 42 and spring 43, be equipped with direction passageway 14 on housing assembly 1, limiting plate 41 sets up on housing assembly 1, limiting plate 41 is located direction passageway 14 department, limiting plate 41 can slide in direction passageway 14 department, spacing claw 42 sets up on limiting plate 41, form the free gap between hook portion and the limiting plate 41 of spacing claw 42, be equipped with spacing arch 13 on housing assembly 1, spacing arch 13 is located the free gap, spring 43 one end offsets with housing assembly 1, the spring 43 other end offsets with limiting plate 41, be equipped with spacing hole 44 on limiting plate 41, spacing hole 44 can supply shower nozzle 3 to pass. Limiting plate 41 slides with the guide way 14 that spring 43 combined action was equipped with on casing subassembly 1, when spring 43 was compressed, can provide thrust for the slip in-process of limiting plate 41, it is fixed to realize locking the tooth ware shower nozzle 3 of dashing of male, form the free gap between the hook portion of the spacing claw 42 that sets up and limiting plate 41, spacing arch 13 is located the free gap, can be used to spacing locking piece 41, prevent to loosen in the use and take off, further be equipped with spacing hole 44 on limiting plate 41, can be spacing limiting plate 41 in the removal in-process.

As shown in fig. 2 and 7, in addition to the features of the above embodiment, the present embodiment further defines: the waterway assembly 2 comprises a supporting pipe member 21, a first connecting end 22 and a liquid guiding pipe member 23, the supporting pipe member 21 is connected with the liquid guiding pipe member 23, the supporting pipe member 21 is provided with a pipe member channel, the liquid guiding pipe member 23 is provided with a liquid passing cavity, the first connecting end 22 is clamped between the supporting pipe member 21 and the liquid guiding pipe member 23, one end of the first connecting end 22 extends into the pipe member channel, and the other end of the first connecting end 22 is communicated with the liquid passing cavity. By connecting the liquid guiding pipe member 23 with the first connection end 22 and the support pipe member 21, respectively, it is possible to input liquid into the liquid passing chamber provided in the liquid guiding pipe member 23 through the pipe member passage, and providing the liquid guiding pipe member 23 facilitates connecting the liquid passing chamber with the pipe member passage.

As shown in fig. 2 and 7, in addition to the features of the above embodiment, the present embodiment further defines: the sealing device further comprises a first sealing element 24, the first sealing element 24 is clamped between the liquid guide pipe piece 23 and the first connecting end 22, and the first sealing element 24 is used for sealing a gap between the liquid guide pipe piece 23 and the first connecting end 22. The arrangement of the first sealing element 24 can better seal the gap between the first connecting end 22 and the liquid guide pipe fitting 23, improve air tightness, prevent water leakage and prolong service life.

As shown in fig. 2, in addition to the features of the above embodiment, the present embodiment further defines: the first connecting end 22 comprises a limiting part and an inserting part, the limiting part is arranged on the inserting part, the diameter of the limiting part is larger than that of the inserting part, the first sealing element 24 is arranged on the limiting part, the limiting part is connected with the liquid guide pipe fitting 23, the inserting part is connected with the supporting pipe fitting 21, and through holes communicated with the pipe fitting channel are respectively formed in the limiting part and the inserting part. The interaction of spacing portion and grafting portion realizes the location of first connection end 22, and when first connection end 22 received the pressure of water in the use, spacing portion and grafting portion's interaction can effectively improve spacing portion and drain pipe fitting 23 and grafting portion and support pipe fitting 21's stability of being connected.

Further, the outer wall of the first connection end 22 is provided with an annular flange.

As shown in fig. 2, in addition to the features of the above embodiment, the present embodiment further defines: the liquid guiding pipe fitting 23 comprises a base 232 and a column barrel 231, the column barrel 231 is arranged on the base 232, through holes communicated with the pipe fitting channel are respectively formed in the column barrel 231 and the base 232, a liquid passing cavity is formed in the column barrel 231, and the base 232 is connected with the supporting pipe fitting 21. The base 232 is connected with the support pipe fitting 21, and provides the installation stability of the liquid guide pipe fitting 23, and the column casing 232 is provided with a liquid passing cavity for better conveying liquid to the spray head 3.

As shown in fig. 1, in addition to the features of the above embodiment, the present embodiment further defines: the casing assembly 1 comprises a supporting casing 11 and a cover body 12, the cover body 12 is arranged on the supporting casing 11, the cover body 12 can rotate relative to the supporting casing 11, a first opening is formed in the supporting casing 11, a nozzle interface is arranged on the cover body 12, the first opening is communicated with the nozzle interface, at least part of the cover body 12 covers the first opening, and the nozzle 3 can be placed in the installation cavity through the nozzle interface. Lid 12 supports casing 11 relatively and rotates, and the person of facilitating the use takes towards tooth ware, and the installation cavity that sets up on supporting casing 11 can be used to place shower nozzle 3, has improved the also better simplification structure when accomodating the nature, and lid 12 lid is established on supporting casing 11, because first opening and shower nozzle interface intercommunication, the installation at housing assembly of shower nozzle 3 of can being convenient for also provides the convenience for the maintenance and the clearance in later stage.

As shown in fig. 1, optionally, the support housing 11 includes a housing body 111 and a bottom cover 112, the housing body 111 is disposed on the bottom cover 112, a mounting cavity is disposed in the housing body 111, the bottom cover 112 is at least partially disposed in the mounting cavity, and the waterway assembly 2 is disposed on the bottom cover 112.

As shown in fig. 6, in addition to the features of the above embodiment, the present embodiment further defines: a second seal 6 is also included, the second seal 6 being located in the gap between the housing assembly 1, waterway assembly 2 and sprinkler head 3.

The setting of second sealing member 6 has improved the sealing performance between casing subassembly 1, water route subassembly 2 and the shower nozzle 3, improves the gas tightness, prevents to leak, increase of service life.

As shown in fig. 1 to 8, an embodiment of the second aspect of the present application discloses a dental irrigator: a fuselage assembly 100; the tooth rinsing device also comprises a first control assembly 5, and the first control assembly 5 is arranged on the shell assembly 1; the water pump device 200 is arranged on the machine body assembly 100, and the water pump device 200 is communicated with the water path assembly 2 of the tooth flushing device through a pipe fitting; and the second control assembly is electrically connected with the water pump device 200, the first control assembly 5 is provided with a signal controller, and signals received by the second control assembly are electrically remotely controlled to the water pump device 200 through the signal controller.

The application discloses towards tooth device is through setting up first control assembly 5 in towards the tooth ware, water pumping plant 200, second control assembly and above-mentioned fuselage subassembly 100, wherein first control assembly 5 has signal controller, but remote control transmission instruction is to the second control assembly on, the second control assembly receives the instruction that first control assembly 5 sent, furthermore, be connected with water pumping plant 200 electricity again, when towards the work of tooth ware, under water pumping plant 200's effect, liquid in the water route subassembly 2 is carried in towards the tooth ware via water pumping plant 200, provide liquid for the user and be used for rinsing the tooth, thereby realize towards the function of tooth ware, supply the consumer to use and wash the tooth.

As shown in fig. 3, in addition to the features of the above embodiment, the present embodiment further defines: the first control assembly 5 includes a control board 51, a battery 52 and a mounting bracket 53, wherein a mounting notch is provided on one side of the mounting bracket 53, the battery 52 is provided on the mounting notch, and the control board 51 is provided on the other side of the mounting bracket 53. The mounting bracket 53 can be used for mounting the control panel 51 and the battery 52 at the same time, and the control panel 51 and the battery 52 are arranged relatively, so that the use is not influenced, the assembly practicability is improved, the assembly space is reasonably utilized, the structure is simplified, and the cost is reduced.

Optionally, a control button is disposed on the control panel 51, and the control panel 51 is electrically connected to the control button.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure 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 specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims (10)

1. A dental irrigator, comprising:

the spray nozzle comprises a shell assembly (1), wherein the shell assembly (1) is provided with an installation cavity, the shell assembly (1) is provided with a pipe fitting inlet and a spray nozzle interface, and the pipe fitting inlet can be used for inputting a pipe fitting;

the water path assembly (2) is arranged in the installation cavity, the water path assembly (2) is provided with a liquid passing cavity, the water path assembly (2) is provided with a pipeline interface and a water outlet, the pipeline interface and the water outlet are communicated with the liquid passing cavity, the water path assembly (2) is matched with the shell assembly (1), and the water outlet is communicated with the spray head interface;

the spray head (3) is arranged on the shell component (1), the spray head (3) is arranged at the spray head interface, and the spray head (3) is communicated with the liquid passing cavity after passing through the spray head interface and the water outlet.

2. The tooth irrigator according to claim 1, further comprising a retaining member (4), wherein the retaining member (4) is arranged on the housing assembly (1), the retaining member (4) can move on the housing assembly (1), the retaining member (4) has at least a first position and a second position when moving on the housing assembly (1), the retaining member (4) abuts against the spray head (3) when the retaining member (4) is located at the first position, the retaining member (4) limits the spray head (3), and the retaining member (4) is separated from the spray head (3) when the retaining member (4) is located at the second position.

3. The tooth punching device according to claim 2, characterized in that the locking member (4) comprises a limiting plate (41), a limiting claw (42) and a spring (43), a guiding channel (14) is arranged on the housing assembly (1), the limiting plate (41) is arranged at the guiding channel (14), the limiting plate (41) can slide at the guiding channel (14), the limiting claw (42) is arranged on the limiting plate (41), a clearance is formed between a hook portion of the limiting claw (42) and the limiting plate (41), a limiting protrusion (13) is arranged on the housing assembly (1), the limiting protrusion (13) is arranged in the clearance, one end of the spring (43) is abutted against the housing assembly (1), and the other end of the spring (43) is abutted against the limiting plate (41), the limiting plate (41) is provided with a limiting hole (44), and the limiting hole (44) can be penetrated by the spray head (3).

4. The tooth flusher according to claim 1, wherein the water path assembly (2) comprises a supporting pipe (21), a first connecting end (22) and a liquid guiding pipe (23), the supporting pipe (21) is connected with the liquid guiding pipe (23), the supporting pipe (21) is provided with a pipe passage, the liquid guiding pipe (23) is provided with the liquid passing cavity, the first connecting end (22) is clamped between the supporting pipe (21) and the liquid guiding pipe (23), one end of the first connecting end (22) extends into the pipe passage, and the other end of the first connecting end (22) is communicated with the liquid passing cavity.

5. The dental irrigator of claim 4, further comprising a first seal (24), the first seal (24) being interposed between the liquid-conducting tube member (23) and the first connection tip (22), the first seal (24) being for sealing a gap between the liquid-conducting tube member (23) and the first connection tip (22).

6. The tooth flusher according to claim 5, wherein the first connecting end (22) comprises a limiting part and an inserting part, the limiting part is arranged on the inserting part, the diameter of the limiting part is larger than that of the inserting part, the first sealing element (24) is arranged on the limiting part, the limiting part is connected with the liquid guide pipe fitting (23), the inserting part is connected with the supporting pipe fitting (21), and through holes communicated with the pipe fitting channel are respectively formed in the limiting part and the inserting part; and/or

The liquid guide pipe fitting (23) comprises a base (232) and a column barrel (231), the column barrel (231) is arranged on the base (232), through holes communicated with the pipe fitting channel are formed in the column barrel (231) and the base (232) respectively, the liquid passing cavity is formed in the column barrel (231), and the base (232) is connected with the supporting pipe fitting (21).

7. The tooth rinsing device as claimed in claim 1, characterized in that the housing assembly (1) comprises a support housing (11) and a cover body (12), the cover body (12) is disposed on the support housing (11), the cover body (12) is rotatable relative to the support housing (11), a first opening is disposed on the support housing (11), the cover body (12) is provided with the nozzle connection, the first opening is communicated with the nozzle connection, the cover body (12) at least partially covers the first opening, and the nozzle (3) can be placed in the installation cavity through the nozzle connection.

8. The dental irrigator of claim 1, further comprising a second seal (6), the second seal (6) being located in a gap between the housing assembly (1), the waterway assembly (2) and the spray head (3).

9. A tooth irrigation device, comprising: the irrigator according to any one of claims 1 to 8, further comprising a first control assembly (5), said first control assembly (5) being provided on said housing assembly (1);

a fuselage assembly (100);

the water pump device (200) is arranged on the machine body assembly (100), and the water pump device (200) is communicated with the water path assembly (2) of the tooth flushing device through a pipe fitting;

The second control assembly is electrically connected with the water pump device (200), the first control assembly (5) is provided with a signal controller, and signals received by the second control assembly are electrically controlled to the water pump device (200) through the signal controller.

10. The device according to claim 9, characterized in that said first control assembly (5) comprises a control board (51), a battery (52) and a mounting bracket (53), said mounting bracket (53) being provided with a mounting notch on one side, said battery (52) being provided on said mounting notch, said control board (51) being provided on the other side of said mounting bracket (53).

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