CN214318190U - Flushing device - Google Patents

Abstract

The utility model relates to a flusher, which comprises a water pumping structure with a water pumping cavity and a pressing component, a water spraying structure with a water spraying channel and a switching component, a water tank structure with a cavity and an elastic structure which is arranged in the cavity and divides the cavity into a water storage cavity, wherein the water pumping cavity is provided with a water pumping port and a water outlet; one end of the water spraying channel is provided with a spraying port, and the switching component is suitable for controlling the on-off of the water spraying channel; the water storage cavity is provided with a water inlet and a water outlet, the water inlet is communicated with the water outlet, the water outlet is communicated with one end of the water spraying channel far away from the spraying port, the water storage cavity has a water pumping state with increased volume and water pumping through the water pumping structure under the action of the pressing component, and the water storage cavity has a water spraying state with decreased volume and water spraying through the water spraying structure under the action of the switching component.

Description

Flushing device

Technical Field

The utility model relates to a wash apparatus technical field, concretely relates to flusher.

Background

In recent years, the problem of dental health has been receiving more and more attention. Along with the improvement of life quality, the tooth flusher is more and more liked by people because the difficult clean places of toothbrush such as slit between the teeth and gingival sulcus can be realized cleaning.

However, the existing tooth irrigator generally utilizes a motor to drive a gear, an eccentric wheel is driven to rotate through the gear transmission, the eccentric wheel drives a connecting rod to form reciprocating motion in a cavity, and the water in a water tank is sucked out by pressure difference formed by the reciprocating motion and then irrigates teeth through a nozzle; due to the gear engagement and the eccentric wheel structure, noise and vibration are generated in the high-speed movement process of the motor, internal parts are easy to loosen, sealing failure is easy to occur, and electrical potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention is to overcome the defects of the prior art that the flusher is easy to generate noise and vibration, thereby providing a flusher with low noise and no vibration.

The utility model provides a flusher, include:

the water pumping structure comprises a water pumping cavity and a pressing component, wherein a water pumping port and a water outlet are formed in the water pumping cavity, the pressing component comprises a first pressing rod, one end of the first pressing rod is provided with an elastic sealing piece, and the elastic sealing piece is in interference fit with the cavity wall of the water pumping cavity and is suitable for reciprocating motion between the water pumping port and the water outlet;

the water spraying structure comprises a water spraying channel and a switching component, wherein one end of the water spraying channel is provided with a spraying port, and the switching component is suitable for controlling the on-off of the water spraying channel;

a water tank structure having a cavity therein;

elastic construction, at least part sets up in the cavity, and will the water storage chamber is separated to the cavity, be equipped with water inlet and delivery port on the water storage chamber, the water inlet with the outlet intercommunication, the delivery port with water spray channel keeps away from the one end intercommunication of blowout mouth, the water storage chamber is in under the effect of pressing the subassembly, have the volume increase, pass through the state of drawing water of the structure of drawing water, the water storage chamber is in under the effect of switching module, have the volume reduce, pass through the water spray state of water spray structure water spray.

Optionally, the elastic structure is an elastic diaphragm connected to a wall of the cavity.

Optionally, a first check valve is arranged at the water inlet.

Optionally, a first partition plate is arranged in the water pumping cavity, the water pumping cavity is divided into a first inner cavity and a first outer cavity by the first partition plate, and a first opening is formed in one end, far away from the first inner cavity, of the first outer cavity; the first partition plate is provided with a first through hole for communicating the first inner cavity with the first outer cavity; the first pressure lever penetrates through the first through hole from the first outer cavity and extends into the first inner cavity, one end of the first pressure lever positioned in the first inner cavity is a first moving end, one end of the first pressure lever positioned in the first outer cavity is a first pressing end, and the elastic sealing element is arranged on the first moving end;

the water pumping structure further comprises a first elastic element, and the first elastic element is abutted between the first pressing end and the first partition plate.

Optionally, the structure of drawing water still includes first sealing, and the cover is established the outside of first depression bar is located first through-hole with draw between the mouth.

Optionally, the elastic sealing element is of a sleeve-shaped structure and is sleeved outside the first pressure lever, a first limiting groove is formed in the inner pipe wall of the elastic sealing element, and a first limiting protrusion matched with the first limiting groove is formed in the outer side wall of the first pressure lever; the outer pipe wall of the elastic sealing element is convexly provided with a flat first sealing flange, and the first sealing flange is in interference fit with the cavity wall of the water pumping cavity.

Optionally, the water spraying structure comprises:

the nozzle is provided with the ejection port and a first channel communicated with the ejection port;

the water passing structure is provided with a second channel, one end of the second channel is communicated with the first channel, and the other end of the second channel is communicated with the water outlet; the second channel and the first channel jointly constitute the water spray channel.

Optionally, the pumping port is in communication with the first passage.

Optionally, a second one-way valve is arranged between the pumping port and the first channel.

Optionally, the water passing structure comprises a water passing cavity arranged on the second channel, the water passing cavity is provided with a fluid outlet and a fluid inlet, the fluid outlet is communicated with the nozzle, and the fluid inlet is communicated with the water outlet;

the switching assembly comprises a second pressure rod, one end of the second pressure rod is provided with a sealing element, the sealing element is in interference fit with the side wall of the water passing cavity and is suitable for reciprocating motion in the water passing cavity, and the sealing element is provided with a blocking state which is positioned between the fluid outlet and the fluid inlet and blocks the communication between the fluid outlet and the fluid inlet, and a communication state which is positioned below the fluid outlet and the fluid inlet and enables the fluid outlet to be communicated with the fluid inlet.

Optionally, a second partition plate is arranged in the water passing cavity, the water passing cavity is divided into a second inner cavity and a second outer cavity by the second partition plate, and a second opening is formed in one end, far away from the second inner cavity, of the second outer cavity; the second partition plate is provided with a second through hole for communicating the second inner cavity with the second outer cavity; the second pressure rod penetrates through the second through hole from the second outer cavity and is arranged in the second inner cavity, one end of the second pressure rod, which is positioned in the second inner cavity, is a second moving end, one end of the second pressure rod, which is positioned in the second outer cavity, is a second pressing end, and the sealing element is arranged on the second moving end;

the water passing structure further comprises a second elastic element, and the second elastic element is abutted between the second pressing end and the second partition plate.

Optionally, the water passing structure further includes a second sealing portion, which is sleeved outside the second pressure rod and located between the second through hole and the fluid outlet.

Optionally, the sealing element is of an elastic sleeve-shaped structure, the sealing element is sleeved outside the second pressure lever, a second limiting groove is formed in the inner pipe wall of the sealing element, and a second limiting protrusion matched with the second limiting groove is formed in the outer side wall of the second pressure lever; and a second sealing flange is convexly arranged on the outer pipe wall of the sealing element and is in interference fit with the cavity wall of the water passing cavity.

Optionally, a housing assembly is further included, the housing assembly comprising:

a first housing, the water tank structure disposed inside the first housing;

one end of the second shell is connected with the first shell, and the water spraying structure and the water passing structure are arranged on the second shell;

the upper cover is connected to one end, far away from the first shell, of the second shell, and the nozzle is connected to the upper cover.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a flusher, through pumping water the structure, through water spray structure and elastic construction water spray, the noise is low, does not have the vibration, can not lead to the internal spare part not hard up and the sealed inefficacy; the whole machine has no electric element, thereby reducing the potential safety hazard, reducing the parts, reducing the weight of the whole machine and saving the energy.

2. The utility model provides a flusher, elastic construction are elastic diaphragm, simple structure, and elasticity is strong.

3. The utility model provides a flusher, water inlet department are equipped with a check valve, prevent that the water in the water storage chamber from passing through the water inlet and flowing against the current.

4. The utility model provides a flusher, first sealing prevent that water from overflowing from first through-hole, influence user experience.

5. The utility model provides a flusher, it is through to allow rivers between elastic sealing element and the chamber wall, does not allow the air current to pass through.

6. The utility model provides a flusher draws water mouth and first passageway intercommunication, and the structure of drawing water realizes drawing water through the nozzle.

7. The utility model provides a flusher, the water that the second check valve prevented in the water pumping chamber overflows from the nozzle through drawing water mouthful.

8. The utility model provides a flusher, second sealing prevent that water from overflowing from the second through-hole, influence user experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a cross-sectional view of the flusher of the present invention;

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

fig. 3 is a first cross-sectional view of the flusher (pumping state) of the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

FIG. 5 is a second sectional view of the flusher (pumping state) of the present invention;

fig. 6 is a first cross-sectional view of the flusher (water spraying state) of the present invention;

FIG. 7 is an enlarged view of section C of FIG. 6;

fig. 8 is a second sectional view of the flusher (water spraying state) of the present invention;

fig. 9 is an exploded view of the installation of the flusher of the present invention;

FIG. 10 is a top view of the flusher of the present invention;

fig. 11 is a schematic view of the pressing assembly of the present invention;

fig. 12 is a schematic diagram of the switching assembly of the present invention.

Description of reference numerals:

1-a water pumping structure; 11-a water pumping cavity; 111-water pumping port; 112-a water outlet; 113-a first lumen; 114-a first outer chamber; 115-a second one-way valve; 12-a pressing assembly; 121-a first compression bar; 1211 — a first moving end; 1212-a first pressing end; 122-a resilient seal; 13-a first elastic element; 14-a first seal;

2-a water spraying structure; 21-a nozzle; 211-an ejection port; 212-a first channel; 22-a water passing structure; 221-water passing cavity; 2211-fluid inlet; 2212-fluid outlet; 2213-a second lumen; 2214-second outer cavity; 23-a switching component; 231-a second compression bar; 2311-a second motion end; 2312-a second pressing end; 232-a sealing element; 24-a second elastic element; 25-a second seal; 26-a third seal;

3-a water tank structure; 31-a water storage cavity; 311-a water inlet; 312-a water outlet; 313-a first one-way valve;

4-elastic structure.

5-a housing component; 51-a first housing; 52-a second housing; 53-upper cover;

61-a first hose; 62-a second hose; 63-third hose.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the present embodiment provides a flusher, which includes a water pumping structure 1, a water spraying structure 2, a water tank structure 3 and an elastic structure 4. The water pumping structure 1 comprises a water pumping cavity 11 and a pressing component 12, wherein a water pumping port 111 and a water draining port 112 are arranged on the water pumping cavity 11, the pressing component 12 comprises a first pressing rod 121, an elastic sealing element 122 is arranged at one end of the first pressing rod 121, and the elastic sealing element 122 is in interference fit with the cavity wall of the water pumping cavity 11 and is suitable for reciprocating between the water pumping port 111 and the water draining port 112; the water spraying structure 2 comprises a water spraying channel and a switching component 23, wherein one end of the water spraying channel is provided with a spraying hole 211, and the switching component 23 is suitable for controlling the on-off of the water spraying channel; the water tank structure 3 is internally provided with a cavity; elastic construction 4 at least part sets up in the cavity, and will water storage chamber 31 is separated to the cavity, be equipped with water inlet 311 and delivery port 312 on the water storage chamber 31, water inlet 311 with outlet 112 intercommunication, delivery port 312 with the water spray channel is kept away from the one end intercommunication of blowout port 211, water storage chamber 31 is in under the effect of pressing subassembly 12, have the volume increase, pass through the state of drawing water that draws water structure 1 draws water, water storage chamber 31 is in under switching component 23's the effect, have the volume reduce, pass through the water spray state of water spray structure 2 water spray.

The flusher can be a tooth flusher or a flusher for flushing other substances. The flusher pumps water through the water pumping structure 1 and sprays water through the water spraying structure 2 and the elastic structure 4, so that the noise is low, no vibration is caused, and the loosening and sealing failure of internal parts cannot be caused; and the whole machine has no electric element, thereby reducing the potential safety hazard, reducing the parts, reducing the weight of the whole machine and saving the energy.

Specifically, when the pressing assembly 12 is pressed, the elastic sealing element 122 moves towards the water outlet 112, the water pumping port 111 pumps water, the water inlet 311 is communicated with the water outlet 112, the water outlet 112 pumps water to the water storage cavity 31, the volume of the water storage cavity 31 is increased, and the water pumping process is realized; after the pressing component 12 stops pressing, the elastic sealing element 122 moves towards the water pumping port 111, the water inlet 311 is disconnected from the water outlet 112, the water inlet 311 is sealed, the water pumping port 111 is sealed, the elastic sealing element 122 deforms under the action of water pressure, water enters the water outlet 112 from the water pumping port 111 side through a gap between the elastic sealing element 122 and the cavity wall, the water replenishing process of the water pumping cavity 11 is achieved, and when the pressing component 12 is pressed again, the water is squeezed into the water storage cavity 31.

Specifically, the switching component 23 connects the water spraying channel, water in the water storage cavity 31 is sprayed out through the water outlet 312, the water spraying channel and the spraying port 211 under the elastic action of the elastic structure 4, and the volume of the water storage cavity 31 is reduced and is in a water spraying state; when the switching component 23 disconnects the water spraying channel, the water in the water storage cavity 31 cannot be sprayed out through the water outlet 312.

In this embodiment, the elastic structure 4 is an elastic diaphragm, and is connected to the cavity wall of the cavity. Simple structure and strong elasticity.

As an alternative embodiment, the spring structure 4 may comprise a partition wall dividing the cavity into a water storage chamber 31 and a spring chamber, and a spring element arranged in the spring chamber and abutting between the partition wall and a chamber wall of the spring chamber opposite the partition wall. Preferably, the elastic element is at least one spring.

In this embodiment, a first check valve 313 is disposed at the water inlet 311. The water in the water storage chamber 31 is prevented from flowing backward through the water inlet 311.

In this embodiment, a first partition plate is disposed in the water pumping cavity 11, the water pumping cavity 11 is divided into a first inner cavity 113 and a first outer cavity 114 by the first partition plate, and a first opening is disposed at one end of the first outer cavity 114, which is far away from the first inner cavity 113; the first partition plate is provided with a first through hole for communicating the first inner cavity 113 with the first outer cavity 114; the first pressing rod 121 extends from the first outer cavity 114 through the first through hole and is disposed in the first inner cavity 113, one end of the first pressing rod located in the first inner cavity 113 is a first moving end 1211, one end of the first pressing rod located in the first outer cavity 114 is a first pressing end 1212, and the elastic sealing element 122 is disposed on the first moving end 1211; the water pumping structure 1 further comprises a first elastic element 13, wherein the first elastic element 13 abuts between the first pressing end 1212 and the first partition plate.

During the water pumping process, the first pressing end 1212 is pressed, the first pressing rod 121 moves, and the first moving end 1211 moves towards the water outlet 112 in the first inner cavity 113; when the pressing of the first pressing end 1212 is stopped, the first pressing end 1212 returns to the original position by the first elastic element 13, and the first moving end 1211 moves toward the pumping port 111.

In this embodiment, the water pumping structure 1 further includes a first sealing portion 14, which is sleeved outside the first pressure rod 121 and located between the first through hole and the water pumping port 111. Prevent that water from overflowing from first through-hole, influence user experience.

In this embodiment, the elastic sealing element 122 is a sleeve-shaped structure, and is sleeved outside the first pressure lever 121, a first limiting groove is disposed on an inner wall of the elastic sealing element 122, and a first limiting protrusion matched with the first limiting groove is disposed on an outer side wall of the first pressure lever 121; the elastic sealing member 122 is prevented from being separated from the first moving end 1211 due to a large friction force during the movement, and the elastic sealing member 122 is more firmly installed. The outer wall of the elastic sealing element 122 is provided with a flat first sealing flange in a protruding manner, the first sealing flange is in interference fit with the cavity wall of the pumping cavity 11, and water flow and air flow are allowed to pass between the elastic sealing element 122 and the cavity wall.

In this embodiment, the water spraying structure 2 includes a nozzle 21 and a water passing structure 22.

The nozzle 21 is provided with the ejection port 211 and a first passage 212 communicating with the ejection port 211; the water passing structure 22 is provided with a second channel, one end of the second channel is communicated with the first channel 212, and the other end of the second channel is communicated with the water outlet 312; the second channel and the first channel 212 together constitute the water spray channel.

In this embodiment, the water pumping port 111 is communicated with the first passage 212, and the water pumping structure 1 pumps water through the nozzle 21, so that the structure is simplified, and parts are saved. In this embodiment, the process of pumping water and the process of draining water can not be carried out simultaneously.

In this embodiment, a second one-way valve 115 is disposed between the pumping port 111 and the first passage 212 to prevent water in the water pumping cavity 11 from overflowing from the nozzle 21 through the pumping port 111.

In this embodiment, the water passing structure 22 includes a water passing cavity 221 disposed on the second channel, a fluid outlet 2212 and a fluid inlet 2211 are disposed on the water passing cavity 221, the fluid outlet 2212 is communicated with the nozzle 21, and the fluid inlet 2211 is communicated with the water outlet 312;

the switching assembly 23 includes a second pressing rod 231, one end of the second pressing rod 231 is provided with a sealing element 232, the sealing element 232 is in interference fit with the sidewall of the water passing cavity 221 and is adapted to reciprocate in the water passing cavity 221, and the sealing element 232 has a blocking state located between the fluid outlet 2212 and the fluid inlet 2211 and blocking the fluid outlet 2212 from communicating with the fluid inlet 2211, and a communicating state located below the fluid outlet 2212 and the fluid inlet 2211 and allowing the fluid outlet 2212 to communicate with the fluid inlet 2211.

Specifically, when the second pressing rod 231 is pressed, the sealing element 232 moves towards the fluid inlet 2211, and moves to the position below the fluid outlet 2212 and the fluid inlet 2211, the fluid outlet 2212 is communicated with the fluid inlet 2211, the first channel 212 is communicated with the second channel, and water in the water storage cavity 31 is ejected through the ejection hole 211 under the action of the elastic force of the elastic structure 4, so that teeth to be cleaned are cleaned. When the pressing of the second pressing rod 231 is stopped, the sealing member 232 moves toward the fluid outlet 2212, and when the sealing member moves between the fluid outlet 2212 and the fluid inlet 2211, the communication between the fluid outlet 2212 and the fluid inlet 2211 is blocked, and the sealing member is in a blocked state.

In this embodiment, a second partition is disposed in the water passing cavity 221, the second partition divides the water passing cavity 221 into a second inner cavity 2213 and a second outer cavity 2214, and a second opening is disposed at an end of the second outer cavity 2214 far away from the second inner cavity 2213; a second through hole for communicating the second inner cavity 2213 with the second outer cavity 2214 is formed in the second partition plate;

the second pressing rod 231 extends from the second outer cavity 2214 through the second through hole and is arranged in the second inner cavity 2213, one end in the second inner cavity 2213 is a second moving end 2311, one end in the second outer cavity 2214 is a second pressing end 2312, and the sealing element 232 is arranged on the second moving end 2311;

the water passing structure 22 further comprises a second elastic element 24, and the second elastic element 24 abuts between the second pressing end 2312 and the second partition plate.

Specifically, when the second pressing end 2312 is pressed, the sealing element 232 is driven by the second moving end 2311 to move towards the fluid inlet 2211, and when the sealing element moves to a position below the fluid outlet 2212 and the fluid inlet 2211, the fluid outlet 2212 is communicated with the fluid inlet 2211, the first channel 212 is communicated with the second channel, and water in the water storage cavity 31 is sprayed out through the spraying port 211 under the elastic force of the elastic structure 4 to clean teeth and wait for cleaning objects. When the pressing of the second pressing end 2312 is stopped, the second pressing end 2312 is restored to the original position under the elastic force of the second elastic element 24, and the sealing element 232 is driven by the second moving end 2311 to move towards the fluid outlet 2212, and when the sealing element moves to a position between the fluid outlet 2212 and the fluid inlet 2211, the communication between the fluid outlet 2212 and the fluid inlet 2211 is blocked, so that the sealing element is in a blocked state.

In this embodiment, the water passing structure 22 further includes a second sealing portion 25, which is sleeved outside the second pressure rod 231 and located between the second through hole and the fluid outlet 2212. Water is prevented from overflowing from the second through hole.

In this embodiment, the sealing element 232 is an elastic sleeve-shaped structure, and is sleeved outside the second pressure lever 231, a second limiting groove is arranged on an inner wall of the sealing element 232, and a second limiting protrusion matched with the second limiting groove is arranged on an outer side wall of the second pressure lever 231; the sealing element 232 is prevented from being separated from the second moving end 2311 due to large friction during movement, and the sealing element 232 is more firmly installed. A second sealing flange is convexly arranged on the outer pipe wall of the sealing element 232, and the second sealing flange is in interference fit with the wall of the water passing cavity 221.

In the present embodiment, a housing assembly 5 is further included, and the housing assembly 5 includes a first housing 51 and a second housing 52. First housing 51 the water tank arrangement 3 is arranged inside the first housing 51; one end of the second shell 52 is connected with the first shell 51, and the water spraying structure 2 and the water passing structure 22 are arranged on the second shell 52; an upper cover 53 is attached to an end of the second housing 52 remote from the first housing 51, and the nozzle 21 is attached to the upper cover 53.

In this embodiment, the first housing 51 is cylindrical, and the water tank structure 3 is disposed inside the first housing 51 through an opening at the top of the first housing 51. Protects the water tank structure 3 and ensures the aesthetic effect of the whole flusher.

In this embodiment, the second housing 52 has a cylindrical shape, and the second housing 52 is detachably connected to the first housing 51. Be equipped with on the diapire of second casing 52 towards the convex first connecting pipe of first casing 51, outlet 112 sets up on the first connecting pipe, water tank structure 3 is including having the inlet tube of water inlet 311, the inlet tube cover is established the outside of first connecting pipe.

A water pumping pipe protruding from the first shell 51 is arranged on the bottom wall of the second shell 52, the cavity of the water pumping pipe is the water pumping cavity 11, and the first connecting pipe is communicated to the bottom of the water pumping pipe; the lateral part of the pumping pipe is provided with a convex pumping branch pipe, the pumping port 111 is arranged on the pumping branch pipe, the pumping port 111 is communicated with the first channel 212 through the first hose 61, and the first hose 61 is sleeved outside the pumping branch pipe. A second one-way valve 115 is disposed between the first hose 61 and the water passing structure 22.

The bottom wall of the second housing 52 is provided with a water spray pipe protruding away from the first housing 51, the lumen of the water spray pipe is the water passing cavity 221, and the fluid outlet 2212 and the fluid inlet 2211 are arranged at the side of the water spray pipe. The fluid outlet 2212 is connected to the nozzle 21 by a second hose 62, and the fluid inlet 2211 is connected to the water outlet 312 by a third hose 63.

A second connecting pipe protruding towards the first shell 51 and a third connecting pipe protruding away from the first shell 51 are arranged on the bottom wall of the second shell 52, the second connecting pipe is communicated with the third connecting pipe, the water tank structure 3 comprises a water outlet pipe with the water outlet 312, and the water outlet pipe is sleeved outside the second connecting pipe; the third hose 63 is sleeved outside the third connecting pipe.

The water pump further comprises an upper cover 53, the upper cover 53 is connected with the second shell 52, and a water pumping cover matched with the water pumping pipe and a water spraying cover matched with the water spraying pipe are arranged on the upper cover 53; the first partition plate is arranged on the water pumping cover, and the second partition plate is arranged on the water spraying cover. The first sealing part 14 is arranged between the water pumping pipe and the water pumping cover; the second sealing portion 25 is disposed between the spout pipe and the spout cover.

The upper cover 53 is further provided with a third installation cavity sinking towards the second shell 52, the nozzle 21 is provided with a third sealing part 26, and the third sealing part 26 is detachably connected to the third installation cavity. Preventing water from overflowing from the joint.

A first communicating pipe and a second communicating pipe which extend towards the bottom of the second shell 52 are arranged at the bottom of the third installation cavity, the first hose 61 is sleeved outside the first communicating pipe, and the second one-way valve 115 is arranged between the first hose 61 and the first communicating pipe; the second hose 62 is sleeved outside the second communicating pipe.

The nozzle 21 is a tubular structure, one end of the nozzle is a connecting end connected to the third mounting cavity, the other end of the nozzle is provided with the ejection port 211, the third sealing portion 26 is sleeved outside the connecting end, and the inner diameter of the ejection port 211 is gradually reduced towards the direction far away from the connecting end. The water pressure of the sprayed water is increased, and the flushing effect is enhanced.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (14)

1. A flusher, comprising:

the water pumping structure (1) comprises a water pumping cavity (11) and a pressing assembly (12), wherein a water pumping port (111) and a water draining port (112) are formed in the water pumping cavity (11), the pressing assembly (12) comprises a first pressing rod (121), an elastic sealing element (122) is arranged at one end of the first pressing rod (121), and the elastic sealing element (122) is in interference fit with the cavity wall of the water pumping cavity (11) and is suitable for reciprocating between the water pumping port (111) and the water draining port (112);

the water spraying structure (2) comprises a water spraying channel and a switching component (23), wherein one end of the water spraying channel is provided with a spraying port (211), and the switching component (23) is suitable for controlling the on-off of the water spraying channel;

a water tank structure (3) having a cavity therein;

elastic structure (4), at least part sets up in the cavity, and will water storage chamber (31) is separated out to the cavity, be equipped with water inlet (311) and delivery port (312) on water storage chamber (31), water inlet (311) with outlet (112) intercommunication, delivery port (312) with the water spray channel is kept away from the one end intercommunication of blowout hole (211), water storage chamber (31) are in under the effect of pressing down subassembly (12), have the volume increase, pass through the state of drawing water that draws water structure (1) draws water, water storage chamber (31) are in under the effect of switching component (23), have the volume reduce, pass through the water spray state of water spray structure (2) water spray.

2. The flusher according to claim 1, characterized in that said elastic structure (4) is an elastic membrane, attached to the wall of said cavity.

3. A flusher according to claim 2, characterized in that a first non-return valve (313) is provided at said inlet (311).

4. The flusher according to claim 1, wherein a first partition is arranged in the water pumping chamber (11), the first partition divides the water pumping chamber (11) into a first inner chamber (113) and a first outer chamber (114), and one end of the first outer chamber (114) far away from the first inner chamber (113) is provided with a first opening; the first clapboard is provided with a first through hole for communicating the first inner cavity (113) with the first outer cavity (114);

the first pressure lever (121) extends from the first outer cavity (114) to the first inner cavity (113) through the first through hole, one end of the first pressure lever located in the first inner cavity (113) is a first moving end (1211), one end of the first pressure lever located in the first outer cavity (114) is a first pressing end (1212), and the elastic sealing element (122) is arranged on the first moving end (1211);

the water pumping structure (1) further comprises a first elastic element (13), wherein the first elastic element (13) is abutted between the first pressing end (1212) and the first partition plate.

5. The flusher according to claim 4, characterized in that said pumping structure (1) further comprises a first sealing portion (14) fitted on the outside of said first pressure rod (121) between said first through hole and said pumping port (111).

6. The flusher according to claim 1, wherein the elastic sealing element (122) is a sleeve-shaped structure and is sleeved outside the first pressing rod (121), a first limiting groove is formed on the inner wall of the elastic sealing element (122), and a first limiting protrusion matched with the first limiting groove is formed on the outer side wall of the first pressing rod (121); the outer pipe wall of the elastic sealing element (122) is convexly provided with a flat first sealing flange, and the first sealing flange is in interference fit with the wall of the water pumping cavity (11).

7. The flusher according to any one of claims 1 to 6, wherein said water spraying structure (2) comprises:

a nozzle (21) provided with the discharge port (211), and a first passage (212) communicating with the discharge port (211);

the water passing structure (22) is provided with a second channel, one end of the second channel is communicated with the first channel (212), and the other end of the second channel is communicated with the water outlet (312); the second channel and the first channel (212) together constitute the water spray channel.

8. A flusher according to claim 7, wherein the suction port (111) communicates with the first channel (212).

9. A flusher according to claim 8, wherein a second one-way valve (115) is provided between the suction port (111) and the first channel (212).

10. The flusher of claim 7,

the water passing structure (22) comprises a water passing cavity (221) arranged on the second channel, a fluid outlet (2212) and a fluid inlet (2211) are arranged on the water passing cavity (221), the fluid outlet (2212) is communicated with the nozzle (21), and the fluid inlet (2211) is communicated with the water outlet (312);

the switching assembly (23) comprises a second pressing rod (231), one end of the second pressing rod (231) is provided with a sealing element (232), the sealing element (232) is in interference fit with the side wall of the water passing cavity (221) and is suitable for reciprocating in the water passing cavity (221), the sealing element (232) is provided with a blocking state which is positioned between the fluid outlet (2212) and the fluid inlet (2211) and blocks the communication between the fluid outlet (2212) and the fluid inlet (2211), and a communication state which is positioned below the fluid outlet (2212) and the fluid inlet (2211) and enables the fluid outlet (2212) and the fluid inlet (2211) to be communicated.

11. The flusher of claim 10,

a second partition plate is arranged in the water passing cavity (221), the second partition plate divides the water passing cavity (221) into a second inner cavity (2213) and a second outer cavity (2214), and a second opening is formed in one end, far away from the second inner cavity (2213), of the second outer cavity (2214); the second partition plate is provided with a second through hole for communicating the second inner cavity (2213) with the second outer cavity (2214);

the second pressure rod (231) extends from the second outer cavity (2214) through the second through hole to be arranged in the second inner cavity (2213), one end in the second inner cavity (2213) is a second moving end (2311), one end in the second outer cavity (2214) is a second pressing end (2312), and the sealing element (232) is arranged on the second moving end (2311);

the water passing structure (22) further comprises a second elastic element (24), and the second elastic element (24) abuts between the second pressing end (2312) and the second partition plate.

12. The flusher of claim 11, wherein said water passing structure (22) further comprises a second sealing portion (25) fitted on the outside of said second pressure rod (231) between said second through hole and said fluid outlet (2212).

13. The flusher according to claim 10, wherein the sealing element (232) is a sleeve-shaped structure with elasticity, and is sleeved outside the second pressure rod (231), a second limiting groove is arranged on the inner pipe wall of the sealing element (232), and a second limiting protrusion matched with the second limiting groove is arranged on the outer side wall of the second pressure rod (231); and a second sealing flange is convexly arranged on the outer pipe wall of the sealing element (232), and the second sealing flange is in interference fit with the wall of the water passing cavity (221).

14. The flusher of claim 7, further comprising a housing assembly (5), the housing assembly (5) comprising:

a first housing (51), the water tank structure (3) being disposed inside the first housing (51);

one end of the second shell (52) is connected with the first shell (51), and the water spraying structure (2) and the water passing structure (22) are arranged on the second shell (52);

and the upper cover (53) is connected to one end, away from the first shell (51), of the second shell (52), and the nozzle (21) is connected to the upper cover (53).

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