CN210250741U - Flushing device, flusher and sanitary equipment - Google Patents

Abstract

The utility model relates to a sanitary equipment technical field, concretely relates to washing unit, flusher and sanitary equipment. The flushing device comprises a valve core rod and a flushing pipe, a single water outlet hole is formed in the side wall of the flushing pipe, a valve core is arranged at the front end of the valve core rod, the valve core rod is connected with the flushing pipe in a sliding mode, and the valve core rod and the flushing pipe slide relative to each other to enable a groove or an inclined surface on the valve core to be aligned with the water outlet hole. When the valve core moves to the position where the inclined plane is opposite to the water outlet, the water flow is reflected by the inclined plane to be in a focusing mode and the pressure is higher, and when the valve core moves to the position where the groove is opposite to the water outlet, the water flow is extruded in the groove and then is sprayed out from the water outlet in a shower head mode, and the pressure is softer. This application adopts a single tube list apopore structure can accomplish focus form and go out water and disperse gondola water faucet form and go out water, has optimized the washing unit's of toilet bowl sanitary equipment structure, simultaneously because the aperture of single apopore is great, when long-term the use, has avoided the problem of being blockked up by the incrustation scale.

Description

Flushing device, flusher and sanitary equipment

Technical Field

The utility model relates to a sanitary equipment technical field, concretely relates to washing unit, flusher and sanitary equipment.

Background

At present, a plurality of toilet body cleaners are available at home and abroad, but most of the used flushing devices adopt a flusher with a step motor driving a spray pipe to stretch forwards and contract backwards, the flusher is generally provided with two or three flushing modes, namely a single-hole flushing mode and a multi-hole flushing mode, namely a water spraying port is divided into a single hole and a multi-hole flushing mode, the single-hole flushing pressure is high, the toilet body cleaners are suitable for flushing excrement dirt, and multi-hole water outlet is soft and suitable for cleaning female parts. The water paths are independent respectively. In the past, independent flushing pipes are mostly adopted, and are mostly divided into a plurality of water flow channels in a thicker pipe, only one pipe is seen from appearance, the pipe diameter is thicker, and the diameter is generally larger than 20 mm.

In addition, by adopting the porous water outlet mode, although the water outlet is soft, the water flow speed of each small hole is relatively reduced, the diameter of each small hole is smaller than 1 mm, if the water quality is poor, scale can be adhered to the small holes, and the small holes are easily blocked after long time, so that the condition is common until the water cannot be discharged, and the function is failed.

In addition, different water flow channels are required for different flushing modes, and when the flushing modes are switched, a manual or electric water diversion and conversion valve is required to be switched, so that the structure is relatively complex and the cost is high.

In view of the above, there is a need for a bidet that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to provide the play water mode of haplopore gathering play water and porous dispersion simultaneously among the prior art and prevent simultaneously that the outlet port from blockking up, this application provides following technical scheme:

a flushing device comprises a valve core rod and a flushing pipe, wherein the valve core rod is arranged in the flushing pipe, one end of the valve core rod penetrates through the side wall of the rear end of the flushing pipe, a water outlet hole is formed in the circumferential side wall of the front end of the flushing pipe, and a valve core is arranged at the front end of the valve core rod;

the valve core comprises a cylindrical surface tangent to the inner surface of the flushing pipe and an inclined surface facing the water flow direction, the inclined surface is opposite to the water outlet hole, and a groove is formed in the cylindrical surface along the water flow direction;

the valve core rod is connected with the flushing pipe in a sliding mode, and the valve core rod and the flushing pipe slide relatively to enable the groove or the inclined plane to be aligned with the water outlet hole.

Furthermore, the flushing valve further comprises a driving mechanism for driving the flushing pipe and/or the valve core rod to relatively slide, so that the groove or the inclined plane is aligned with the water outlet hole.

Furthermore, the valve core rod limiting device further comprises a limiting mechanism, wherein the limiting mechanism is arranged in the moving direction of the valve core rod and used for limiting the valve core rod.

Furthermore, the automatic cleaning device also comprises a self-cleaning mechanism, wherein the self-cleaning mechanism comprises a self-cleaning cover and a flushing nozzle arranged on the self-cleaning cover and used for flushing the outer side wall of the flushing pipe, and a guide inclined plane is arranged at the water outlet of the flushing nozzle.

The rear end of the flushing pipe is hermetically connected with the front end of the flushing pipe seat;

the rear end of the flushing pipe seat is provided with a through hole, a sealing ring is arranged at the through hole, the valve core rod is arranged in the flushing pipe, and the rear end of the valve core rod penetrates through the through hole at the rear end of the flushing pipe seat and is arranged outside the flushing pipe seat;

the rear end of the valve core rod is provided with a limiting structure which is used for limiting the valve core rod in a matching way with the limiting structure.

The driving mechanism comprises a guide rail bracket, a transmission belt, a motor and a driving wheel;

the driving belt is arranged on the guide rail support, an output shaft of the motor is connected with the driving wheel, the driving wheel is connected with the driving belt, and the driving belt is connected with the flushing pipe.

Furthermore, the anti-overflow belt device also comprises an anti-overflow belt baffle plate arranged on the guide rail bracket and used for preventing the transmission belt from overflowing.

The limiting mechanism comprises a front boss and a rear boss which are arranged on the guide rail support, and the front boss and the rear boss are respectively matched with a limiting structure at the rear end of the valve core rod and used for limiting the valve core rod.

A flusher comprising a flushing device as described above.

A bidet comprising a rinsing device as described above or a bidet as described above.

According to the flushing device of the embodiment, the single water outlet hole is formed in the front end of the flushing pipe, when the valve core rod drives the valve core to move in the flushing pipe, when the valve core moves to the position where the inclined surface is opposite to the water outlet hole, water flow is reflected through the inclined surface to be in a focusing mode, the pressure is high, and the flushing device is suitable for flushing after defecating. When the valve core moves to the position that the groove is opposite to the water outlet hole, the valve core blocks the water outlet on the flushing pipe, part of water flow is shunted by the gaps on the two sides of the valve core, bypasses the valve core, is converged in the groove from the front port of the groove and the rear port of the groove at one end of the inclined plane, and is sprayed out from the single water outlet after being mutually flushed and squeezed to emit divergent soft shower water, so that the female cleaning water is suitable for women. So realized focusing and two kinds of play water modes of dispersion through single apopore, and the aperture is great when adopting single apopore difficult the jam when long-term the use.

Drawings

FIG. 1 is a schematic view of the overall structure of a flushing device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a flushing device according to an embodiment of the present application;

FIG. 3 is a schematic view of a valve core structure according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a driving mechanism of an embodiment of the present application in one state;

FIG. 5 is a schematic structural view of a transmission belt according to an embodiment of the present application;

FIG. 6 is a cross-sectional view of the valve cartridge and flush tube of the present application in one state;

FIG. 7 is a cross-sectional view of the valve cartridge and flush tube of the present application in another state;

FIG. 8 is a cross-sectional view of the valve cartridge and flush tube of the present application in an alternative configuration;

fig. 9 is a schematic structural diagram of a driving mechanism in another state according to the embodiment of the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The embodiment of the utility model provides a washing unit adopts single flushing pipe 3 to realize focusing out water and gondola water faucet formula play water simultaneously to satisfy just, wash and the clean two kinds of demands of women after, and only be equipped with a apopore 31 on the circumference lateral wall of 3 front ends of flushing pipe, the aperture of apopore 31 is great, can avoid the problem that the pollutant blockked up when long-term the use like this in the aperture undersize of apopore 31. Specifically, the embodiment of the utility model provides a washing unit includes flushing pipe 3 and sets up case pole 4 in flushing pipe 3, and is equipped with case 42 on case pole 4, and flushing pipe 3 and case pole 4 can relative movement make the different positions of case 42 aim at with apopore 31 on the flushing pipe 3 to change the water outlet mode.

The valve core 42 in this application comprises a cylindrical surface tangential to the inner surface of the flush pipe 3 and a slope 421 facing the water flow direction, the slope 421 is opposite to the outlet hole 31, and a groove 422 is formed on the cylindrical surface along the water flow direction. In the process that the valve core rod 4 and the flushing pipe 3 slide relatively, when the inclined surface 421 of the valve core 42 is opposite to the water outlet hole 31, the end surface of the front end of the valve core 42 is propped against the inner wall of the front end of the flushing pipe 3, and high-pressure water flow entering the flushing pipe 3 is reflected by the inclined surface 421 and is just focused and sprayed out from the water outlet hole 31, so that the flushing valve is suitable for flushing after defecating; when the groove 422 on the valve core 42 is opposite to the water outlet hole 31, water flows through the groove 422 and the gaps between the two sides of the valve core 42 and the flushing pipe 3, and is sprayed out in a shower form from the water outlet hole 31 after being reflected by the inner wall of the front end of the flushing pipe 3 and water coming from the rear end are mutually extruded in the groove 422, the pressure is soft, the water outlet device is suitable for cleaning women, two water outlet modes of focusing and dispersing are realized through the single water outlet hole 31, and the single water outlet hole 31 is large in aperture and is not easy to block in long-term use.

The first embodiment is as follows:

referring to fig. 1 and 2, the embodiment provides a flushing device, the device includes a flushing pipe 3 and a valve core rod 4 disposed in the flushing pipe 3, a front end of the valve core rod 4 is disposed in the flushing pipe 3, a rear end of the valve core rod 4 penetrates through the flushing pipe 3 and is disposed outside the flushing pipe 3, a water outlet hole 31 is disposed on a side wall above the front end of the flushing pipe 3 for water outlet, the rear end of the flushing pipe 3 is connected with a flushing pipe base 2, and the flushing pipe base 2 is connected with a water inlet joint 21 for water inlet.

Wherein, a valve core 42 is installed at the front end of the valve core rod 4, as shown in fig. 3, the valve core 42 is an irregular cylinder, the diameter of the cylinder is the same as the inner diameter of the flushing pipe 3, a cylindrical surface is formed on the valve core 42, the lower end of the cylindrical surface is tangent to the inner surface below the flushing pipe 3, an inclined surface 421 is further formed in the direction facing the water flow, the inclined surface 421 is opposite to the water outlet hole 31, a groove 422 is further formed on the cylindrical surface facing the water outlet hole 31, the other end surface of the valve core 42 is a vertical irregular circular surface, and the irregular circular surface can be attached to the inner wall of the front end of the flushing pipe 3. In the relative sliding process of the flushing pipe 3 and the valve core rod 4, the valve core rod 4 can drive the valve core 42 to slide in the flushing pipe 3, when the inclined surface 421 of the valve core 42 is opposite to the water outlet hole 31, the end surface of the front end of the valve core 42 is propped against the inner wall of the front end of the flushing pipe 3, and high-pressure water flow entering the flushing pipe 3 is reflected by the inclined surface 421 and is just focused and sprayed out from the water outlet hole 31, so that the flushing pipe is suitable for flushing after defecating; when the groove 422 on the valve core 42 is opposite to the water outlet hole 31, the valve core 42 blocks the water outlet 31 on the flushing pipe 3, after a part of water flow is divided by gaps on two sides of the valve core 42, the water flow bypasses the valve core 42 and is converged in the groove 422 from the front end of the groove 422 and the rear end of the groove 422 from one end of the inclined plane 421, and after being mutually flushed, a divergent soft shower head is sprayed from the single water outlet hole 31, so that the water outlet device is suitable for female cleaning, two water outlet modes of focusing and dispersing are realized through the single water outlet hole 31, and the single water outlet hole 31 is large in aperture and is not easy to block. In addition, the valve body 42 is provided with a mounting hole 423 for facilitating mounting to the front end of the valve body rod 4.

In this embodiment, the rear end of the flushing pipe 3 is connected to the flushing pipe seat 2, as shown in fig. 1 and 2, a through hole through which the valve core rod 4 passes is formed in the middle of the flushing pipe seat 2, the front end of the flushing pipe seat 3 is hermetically connected to the rear end of the flushing pipe 3, and a sealing ring 5 is installed at the through hole at the rear end of the flushing pipe seat 2 and used for sealing the contact position of the valve core rod 4 and the flushing pipe seat 2. The water inlet joint 21 is provided at the rear end of the flush socket 2 and communicates with the flush pipe 3 through a passage in the flush socket 2.

Wherein, be equipped with a recess 422 on the case 42 in this embodiment, recess 422 is favorable to the convergence and the mutual extrusion of rivers for water is less from apopore 31 blowout and pressure with the form of gondola water faucet, is fit for women's cleanness.

Further, the flushing device further comprises a driving mechanism and a limiting mechanism, wherein the driving mechanism and the limiting mechanism are matched to enable the flushing pipe 3 and the valve core rod 4 in the flushing pipe to move relatively, so that the groove 422 or the inclined surface 421 of the valve core 42 is aligned with the water outlet hole 31 on the flushing pipe 3. Specifically, the limiting mechanism is matched with the driving mechanism and used for limiting the other one of the flushing pipe 3 and the valve core rod 4 in the moving process of the other one of the flushing pipe 3 and the valve core rod 4 so that the flushing pipe 3 or the valve core rod 4 moves relatively to meet the requirement that the groove 422 or the inclined surface 421 of the valve core 42 is aligned with the water outlet hole in the flushing pipe 3.

Wherein, in this embodiment, the mode of driving the flushing pipe 3 to move is selected to realize, specifically, as shown in fig. 1, fig. 4, fig. 5 and fig. 9, the driving mechanism includes a guide rail bracket 1, a transmission belt 91, a motor 8 and a driving wheel 9, the upper end of the guide rail bracket 1 is provided with a sliding surface 14, the front end and the rear end of the sliding surface 14 are connected with the guide rail bracket 1, a sliding groove 15 is further provided in parallel below the sliding surface 14, the transmission belt 91 is disposed in the sliding groove 15, an output shaft of the motor 8 is connected with the driving wheel 9, the transmission belt 91 is wound on the driving wheel 9, the driving wheel 9 is used for driving the transmission belt 91 to move, the transmission belt 91 is disposed in the sliding groove 15, and in order to prevent the transmission belt 91 from overflowing during the moving process, a plurality of anti-overflow belt baffles 13 are further provided at intervals on two sides of the sliding groove 15, the driving wheel 9 is connected with, this slip draw-in groove can block at glide plane 14, and the slip draw-in groove is connected with drive belt 91, and under the drive of drive belt 91, the slip draw-in groove slides along glide plane 14, so can be through motor 8 drive flushing pipe 3 and do reciprocating motion.

The limiting mechanism of the embodiment comprises a limiting structure arranged at the rear end of the valve core rod 4, the limiting structure can be in various shapes, only one form is provided in the embodiment and is not used for limiting the shape of the limiting structure, the limiting structure of the embodiment is an L-shaped limiting rod, the limiting mechanism of the embodiment comprises a front boss 12 and a rear boss 11 which are arranged on a sliding surface 14, the limiting rod 41 is in an L shape, one of the transversely arranged rods is in contact with the sliding surface 14 of the guide rail bracket 1, and thus the valve core rod 4 can be prevented from rotating radially when moving in the flushing pipe 3. The front boss 12 and the rear boss 11 are respectively arranged at the front end and the rear end of a sliding surface 14 on the guide rail bracket 1 and used for limiting the movement of the valve core rod 4.

Specifically, in order to drive the flushing pipe 3 repeatedly, the motor 8 in this embodiment is a stepping motor. In the initial reset state, as shown in fig. 1 and fig. 2, the stop rod 41 at the rear end of the valve core rod 4 abuts against the rear boss 11, at this time, the front end of the valve core 42 contacts with the front end of the flushing pipe 3, and the water inlet joint 21 is controlled by the controller not to enter the pipeline according to the actual application requirement, so that the water is not sprayed out in the state. When the washing is needed, a user presses a corresponding operation button, for example, the enema helps defecation, the stepping motor 8 drives the driving wheel 9 and the driving belt 91 to drive the flushing pipe 3 to extend forwards, the valve core rod 4 also extends forwards together, when the flushing pipe 3 extends forwards to a distance away from the terminal point, the flushing pipe stops (see fig. 8), the position of the valve core 42 is kept unchanged, the limiting rod 41 at the rear end of the valve core rod 4 props against the front boss 12, the single water outlet hole 31 of the flushing pipe 3 is located on the inclined plane of the valve core 42, when water flow impacts the inclined plane 421, a reflection effect is formed, at the moment, the sprayed water is in a focusing water outlet mode, the washing force is large, and the washing is suitable for washing.

If the user needs to wash the female after the defecation assisting, the user presses the female washing button, the driving mechanism further drives the washing pipe 3 to continuously extend forwards to the final position (see figures 6 and 7), before the flushing pipe 3 extends forwards to the end point, the limiting rod 41 at the rear end of the valve core rod 4 is blocked by the front boss 12 on the sliding surface 14 on the guide rail bracket 1, so that the valve core rod 4 does not extend forwards along with the flushing pipe 3 any more, the valve core 42 blocks the water outlet 31 on the flushing pipe 3, at the moment, the water flow passes through the arc-shaped groove 422 on the valve core 42, after part of the water flow is shunted by the gaps on the two sides of the valve core 42, the water flow bypassing the valve core 42 from the front port of the groove 422 and the water flow from the rear port of the groove 422 at one end of the inclined plane 421 are combined in the groove 422, and after being mutually flushed, the water flow is sprayed out from the single water outlet 31 to form a divergent soft shower water shape, so that the water flow is suitable for cleaning of women, and the switching of the flushing mode is completed.

Further, under the control of the control circuit, when the flushing is stopped and the driving mechanism drives the flushing pipe 3 to retract and reset to the rear end point, the limiting rod 41 at the rear end of the valve core rod 4 is blocked by the rear boss 11 on the guide rail bracket 1, so that the valve core rod 4 is forced to drive the valve core 42 to collide with the inner wall of the foremost end of the inner hole of the flushing pipe 3, and the resetting is realized.

It should be noted that, in practical use, the user can also directly select the female flushing mode, and thus the driving mechanism directly drives the flushing pipe 3 to move to the foremost end, so that the valve core 42 blocks the water outlet 31 on the flushing pipe 3, and the outlet water is in a divergent soft shower water type.

The flushing device of the embodiment does not need to be switched by a shunt valve in the switching process of the flushing mode, and does not change the water flow direction and the pipeline aperture in the flushing pipe 3, so that the water pressure is not lost. Because only a single pipe is used, the structure is greatly optimized and simplified, and the manufacturing cost is reduced. In addition, this kind of single tube haplopore washing unit, because of only the great haplopore of an aperture, and rivers are concentrated, the velocity of flow is higher, the scouring action is strong, can not be because of quality of water calcium content when higher, the phenomenon of the incrustation scale shutoff hole that causes, when having overcome by a plurality of apertures that are less than 1 millimeter when realizing dispersing the play water, under the higher condition of quality of water calcium content, long-term use back, the easy scale deposit of aperture causes the jam, even block up completely when serious, the problem that can not go out water, thereby washing unit's reliability has been improved.

Furthermore, the flushing device of the embodiment further comprises a self-cleaning mechanism, as shown in fig. 1, the self-cleaning mechanism comprises a self-cleaning cover 6, the self-cleaning cover 6 is arranged at the front end of the guide rail bracket 1, a through hole through which the flushing pipe 3 can pass is formed in the upper half part of the self-cleaning cover 6, a flushing nozzle 7 is arranged on the self-cleaning cover 6, and a guide inclined surface 61 is arranged at the water outlet end of the flushing nozzle 7, so that water flow waterfall type flushing is performed on the outer surface of the flushing pipe 3 along the inclined surface, dirt on the surface of the flushing pipe 3 is ensured to be timely removed in the resetting process, the self-cleaning purpose is achieved, and the other end of the flushing nozzle 7 is connected.

When the flushing pipe 3 is generally installed, the front end of the flushing pipe is slightly declined, so that the rear end of the flushing pipe is higher than the front end of the flushing pipe, a self-cleaning program is automatically started in the resetting process of the flushing pipe 3, water flow is controlled to carry out waterfall type flushing on the outer surface of the flushing pipe 3 through the guide inclined surface 61, and therefore the water flow can flow into the toilet along the front end of the flushing pipe 3, and circuit faults caused by the fact that the water flow flows to a circuit part at the rear part in a reverse flow mode in the flushing process.

Example two:

this embodiment provides a flusher, and this flusher includes the washing unit of above-mentioned embodiment 1, and this flusher has adopted single flushing pipe 3 and single apopore 31 to realize focusing and two kinds of water outlet modes of dispersion, and in the mode conversion process that washes, need not to use the shunt valve conversion, and does not change the rivers direction and the pipeline aperture in the flushing pipe 3, so does not lose water pressure. Because only a single pipe is used, the structure is greatly optimized and simplified, and the manufacturing cost is reduced. In addition, this kind of single tube haplopore flusher, because of only the great haplopore of an aperture, and rivers are concentrated, the velocity of flow is higher, the scouring action is strong, can not be because of quality of water calcium content is higher, the phenomenon of the incrustation scale shutoff hole that causes, when having overcome by a plurality of apertures that are less than 1 millimeter when realizing dispersing the play water, under the higher condition of quality of water calcium content, long-term use back, the easy scale deposit of aperture causes the jam, even block up completely when serious, the problem that can not go out water, thereby flushing device's reliability has been improved.

Wherein, this flusher can be used for the sanitary equipment field, can also be applied to other fields that need wash according to the demand, and this is no longer repeated here.

Example 3

The embodiment provides a toilet bowl cleaner, which comprises the flushing device of embodiment 1 or the flushing device of embodiment 2, and the toilet bowl cleaner adopts a single flushing pipe 3 and a single water outlet hole 31 to realize two water outlet modes of focusing and dispersing, and during the switching process of the flushing modes, a water dividing valve is not needed to be used for switching, and the water flow direction and the pipeline aperture in the flushing pipe 3 are not changed, so that the water pressure is not lost. Because only a single pipe is used, the structure is greatly optimized and simplified, and the manufacturing cost is reduced. In addition, this kind of single tube haplopore flusher, because of only the great haplopore of an aperture, and rivers are concentrated, the velocity of flow is higher, the scouring action is strong, can not be because of quality of water calcium content is higher, the phenomenon of the incrustation scale shutoff hole that causes, when having overcome by a plurality of apertures that are less than 1 millimeter when realizing dispersing the play water, under the higher condition of quality of water calcium content, long-term use back, the easy scale deposit of aperture causes the jam, even block up completely when serious, the problem that can not go out water, thereby flushing device's reliability has been improved.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims (10)

1. A flushing device is characterized by comprising a valve core rod and a flushing pipe, wherein the valve core rod is arranged in the flushing pipe, one end of the valve core rod penetrates through the side wall of the rear end of the flushing pipe, a water outlet hole is formed in the circumferential side wall of the front end of the flushing pipe, and a valve core is arranged at the front end of the valve core rod;

the valve core comprises a cylindrical surface tangent to the inner surface of the flushing pipe and an inclined surface facing the water flow direction, the inclined surface is opposite to the water outlet hole, and a groove is formed in the cylindrical surface along the water flow direction;

the valve core rod is connected with the flushing pipe in a sliding mode, and the valve core rod and the flushing pipe slide relatively to enable the groove or the inclined plane to be aligned with the water outlet hole.

2. The flushing device of claim 1 further comprising a drive mechanism for sliding the flush tube and/or the valve core rod relative to each other so that the groove or ramp is aligned with the outlet opening.

3. The flushing device of claim 2, further comprising a limiting mechanism disposed in the direction of movement of the valve core rod for limiting the valve core rod.

4. The flushing device of claim 1, further comprising a self-cleaning mechanism including a self-cleaning cover and a flushing nozzle disposed thereon for flushing the outer sidewall of the flushing pipe, wherein the flushing nozzle is provided with a guide slope at the outlet.

5. The flushing device of claim 3, further comprising a flush tube seat connected to a rear end of the flush tube, the rear end of the flush tube being sealingly connected to a front end of the flush tube seat;

the rear end of the flushing pipe seat is provided with a through hole, a sealing ring is arranged at the through hole, the valve core rod is arranged in the flushing pipe, and the rear end of the valve core rod penetrates through the through hole at the rear end of the flushing pipe seat and is arranged outside the flushing pipe seat;

the rear end of the valve core rod is provided with a limiting structure which is used for limiting the valve core rod in a matching way with the limiting structure.

6. The flushing device of claim 5, wherein the drive mechanism includes a rail bracket, a drive belt, a motor, and a drive wheel;

the driving belt is arranged on the guide rail support, an output shaft of the motor is connected with the driving wheel, the driving wheel is connected with the driving belt, and the driving belt is connected with the flushing pipe.

7. The flushing device of claim 6 further comprising a spill strip stop disposed on the guide rail bracket for preventing the drive belt from spilling.

8. The flushing device of claim 7, wherein the limiting mechanism includes a front boss and a rear boss disposed on the rail bracket, and the front boss and the rear boss are respectively engaged with a limiting structure at the rear end of the valve core rod for limiting the valve core rod.

9. A flusher, characterized in that it comprises a flushing device according to any one of claims 1-8.

10. A bidet comprising the flushing device according to any one of claims 1 to 8 or the bidet according to claim 9.

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