CN214738535U - Hydraulic cleaning mechanism and closestool using same - Google Patents

Abstract

The utility model provides a hydraulic cleaning mechanism and a closestool using the same, wherein the hydraulic cleaning mechanism comprises a columnar valve body, a cleaning rod, a flow guide pipe and a reset spring; a moving cavity is arranged inside the columnar valve body, a pipe orifice is arranged at the front end of the columnar valve body, and a water inlet is arranged at the rear end of the columnar valve body; the cleaning rod is slidably arranged in the motion cavity, the motion cavity is divided into a water inlet cavity and a reset cavity by the cleaning rod, a cleaning channel is arranged in the cleaning rod, and a cleaning nozzle is arranged at the front end of the cleaning rod; the cleaning rod is provided with a pressure relief groove; the guide pipe can be communicated with the water inlet cavity and the reset cavity; under the elastic force of the return spring, the cleaning rod has a tendency to be close to the water inlet; the utility model discloses a hydraulic pressure is realized the reciprocating motion of wasing the pole guarantees clean effect, avoids using the motor to lead to having a power failure the condition emergence of unable use simultaneously.

Description

Hydraulic cleaning mechanism and closestool using same

Technical Field

The utility model relates to a abluent technical field of buttock of closestool, especially a fluid pressure type wiper mechanism and use its closestool.

Background

The buttock cleaning part of current intelligent closestool has two kinds of modes: one is that an electric mechanism is additionally arranged on the shell of the cleaning part, and the electric mechanism is electrified to drive the cleaning rod to do reciprocating linear motion to realize the reciprocating cleaning of the hip, and the electric mode can not be used when the power is off, which brings inconvenience, and the other mechanism is complex and has higher cost, thus influencing the popularization of products; the other type is that the cleaning component is directly fixed on the intelligent closestool base, the cleaning is realized by ejecting the cleaning rod through water pressure, the cleaning rod does not have reciprocating linear motion in a local range, reciprocating local cleaning can not be realized only through single point cleaning, and the using effect and the experience feeling are influenced. The patent product provides one kind and need not the electricity, only needs municipal water can realize reciprocating abluent intelligent closestool and uses reciprocal washing part of fluid pressure type, can effectively solve the problem of above-mentioned emergence.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide a fluid pressure type wiper mechanism and use its closestool realizes reciprocal washing through hydraulic pressure, and is energy-conserving high-efficient, and the cleaning performance is good and solve the problem that the power failure can not be used.

To achieve the purpose, the utility model adopts the following technical proposal:

a hydraulic cleaning mechanism comprises a columnar valve body, a cleaning rod, a flow guide pipe and a return spring; a moving cavity is arranged inside the columnar valve body, a pipe orifice is arranged at the front end of the columnar valve body, and a water inlet is arranged at the rear end of the columnar valve body; the cleaning rod is slidably arranged in the moving cavity, the moving cavity is divided into a water inlet cavity and a reset cavity by the cleaning rod, and the front end of the cleaning rod extends out of the pipe orifice; a cleaning channel is arranged inside the cleaning rod, and a cleaning nozzle is arranged at the front end of the cleaning rod; one end of the cleaning channel is communicated with the water inlet cavity, and the other end of the cleaning channel is communicated with the cleaning nozzle; the cleaning rod is provided with a pressure relief groove which can communicate the reset cavity with the outside atmosphere; the reset spring is sleeved on the cleaning rod and arranged in the reset cavity, and the cleaning rod has a tendency of being close to the water inlet under the elastic force action of the reset spring; the columnar valve body is provided with a first flow guide port communicated with one end of the flow guide pipe, the columnar valve body is provided with a second flow guide port communicated with the other end of the flow guide pipe, and the flow guide pipe can be communicated with the water inlet cavity and the reset cavity.

Preferably, the cleaning rod comprises a piston part and a long rod part; the long rod part is arranged on one side of the piston part; the piston part is slidably arranged in an inner cavity of the columnar valve body, a cavity between the piston part and the water inlet is a water inlet cavity, and a cavity between the piston part and the pipe orifice is a reset cavity; the reset spring is sleeved outside the long rod part, one end of the reset spring is connected with the side surface of the piston part, and the other end of the reset spring is connected with the inner wall of the columnar valve body; the pressure relief groove is arranged on the long rod part.

Preferably, the piston portion is provided with a first sealing ring.

Preferably, the flow guide pipe is provided with a throttle valve.

Preferably, a guide pipe is arranged at the front end of the columnar valve body, a guide channel is arranged in the guide pipe, a water passing groove is formed in the inner wall of the guide channel and communicated with the reset cavity, the water passing groove is communicated with the outside atmosphere, and the pipe orifice is formed in one side of the guide pipe.

Preferably, the cross section of the cleaning rod is non-perfect-circle, and the cross section of the guide channel is set to be in a non-perfect-circle shape matched with the cross section of the cleaning rod.

Preferably, the cross section of the cleaning rod is oval, and the cross section of the guide channel is in an oval shape matched with the cross section of the cleaning rod.

Preferably, the cross section of the cleaning rod is polygonal, and the cross section of the guide channel is in a polygonal shape matched with the cross section of the cleaning rod.

Preferably, the front end of the columnar valve body is provided with a second sealing ring.

A closestool comprises a closestool body and the hydraulic cleaning mechanism, wherein the columnar valve body is arranged inside the closestool body, and the cleaning rod moves in a telescopic manner in an inner cavity of a closestool body of the closestool body.

The utility model has the advantages that:

the utility model provides a fluid pressure type wiper mechanism and use its closestool according to above-mentioned content the water inlet continuously lets in under the condition of steady pressure's cleaning water, can make wash pole reciprocating motion, thereby utilizes wash the buttock of people after using the closestool and carry out reciprocal washing, guarantee clean effect, can avoid using the motor to lead to having a power failure the condition emergence that can't use simultaneously.

Drawings

FIG. 1 is an exploded view of one embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure of a motion state six according to an embodiment of the present invention;

FIG. 3 is a force diagram of a cleaning bar according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an internal structure of a first motion state according to an embodiment of the present invention;

fig. 5 is a schematic view of the internal structure of the second motion state according to an embodiment of the present invention;

fig. 6 is a schematic diagram of an internal structure of a motion state three according to an embodiment of the present invention;

fig. 7 is a schematic diagram of the internal structure of a motion state four according to an embodiment of the present invention;

fig. 8 is a schematic diagram of an internal structure of a motion state five according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a guide tube according to an embodiment of the present invention;

fig. 10 is a cross-sectional view of a guide tube according to an embodiment of the present invention.

Wherein: the water inlet cleaning device comprises a columnar valve body 1, a moving cavity 10, a water inlet cavity 101, a reset cavity 102, a water inlet 11, a pipe orifice 12, a first flow guide port 13, a second flow guide port 14, a guide pipe 15, a guide channel 151, a water flowing groove 152, a second sealing ring 16, a cleaning rod 2, a cleaning channel 201, a cleaning nozzle 202, a pressure relief groove 203, a piston part 21, a first sealing ring 211, a long rod part 22, a flow guide pipe 3, a throttle valve 31 and a reset spring 4.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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

A hydraulic cleaning mechanism and a toilet using the same according to an embodiment of the present invention will be described with reference to fig. 1 to 10, wherein the hydraulic cleaning mechanism includes a cylindrical valve body 1, a cleaning rod 2, a flow guide tube 3 and a return spring 4; a moving cavity 10 is arranged inside the columnar valve body 1, a pipe orifice 12 is arranged at the front end of the columnar valve body 1, and a water inlet 11 is arranged at the rear end of the columnar valve body 1; the cleaning rod 2 is slidably arranged in the moving cavity 10, the moving cavity 10 is divided into a water inlet cavity 101 and a reset cavity 102 by the cleaning rod 2, and the front end of the cleaning rod 2 extends out of the pipe orifice 12; a cleaning channel 201 is arranged inside the cleaning rod 2, and a cleaning nozzle 202 is arranged at the front end of the cleaning rod 2; one end of the cleaning channel 201 is communicated with the water inlet cavity 101, and the other end is communicated with the cleaning nozzle 202; the cleaning rod 2 is provided with a pressure relief groove 203, and the pressure relief groove 203 can communicate the reset cavity 102 with the outside atmosphere; the reset spring 4 is sleeved on the cleaning rod 2 and is arranged in the reset cavity 102, and under the elastic force action of the reset spring 4, the cleaning rod 2 tends to be close to the water inlet 11; the columnar valve body 1 is provided with a first flow guide opening 13 communicated with one end of the flow guide pipe 3, the columnar valve body 1 is provided with a second flow guide opening 14 communicated with the other end of the flow guide pipe 3, and the flow guide pipe 3 can be communicated with the water inlet cavity 101 and the reset cavity 102.

Specifically, in this embodiment, the cylindrical valve body 1 is directly fixed on a base of the intelligent toilet, the water inlet 11 is connected with a cleaning pressure-stabilizing water source, cleaning water enters the water inlet cavity 101 of the motion cavity 10, the right end of the cleaning rod 2 is provided with the cleaning nozzle 202, the cleaning pipeline is arranged inside the cleaning rod 2 and is communicated with the cleaning nozzle 202 and the water inlet cavity 101, and cleaning water entering the water inlet cavity 101 can be sprayed out from the cleaning nozzle 202 through the cleaning pipeline, so that the buttocks of a person can be conveniently cleaned; meanwhile, the cleaning water can push the cleaning rod 2 to linearly move along the movement cavity 10, at the moment, the left end of the cleaning rod 2 bears the cleaning pressure stabilizing water source hydraulic pressure Fm, the cleaning rod 2 can compress the return spring 4 when moving in the movement cavity 10, and meanwhile, the return spring 4 can apply a spring force Ff to act on the cleaning rod 2. The right end of the columnar valve body 1 is provided with the first diversion port 13 and the second diversion port 14 respectively, the first diversion port 13 and the second diversion port 14 are separated by a small distance, and the first diversion port 13 and the second diversion port 14 are communicated with the two diversion ports through the diversion pipe 3.

As shown in fig. 2-8, the cleaning component of the present invention has the following motion states during the process of introducing the cleaning water:

the motion state I is as follows: as shown in fig. 4, a cleaning pressure-stabilizing water source is connected from the water inlet 11, cleaning water enters the water inlet cavity 101, the cleaning rod 2 bears a rightward water pressure Fm and moves rightward, the return spring 4 is compressed in the process, the cleaning rod 2 simultaneously bears a leftward spring force Ff, Fm > Ff, the cleaning rod 2 moves rightward, and cleaning water is sprayed out of the cleaning nozzle 202 through the cleaning pipeline.

And a second motion state: as shown in fig. 5, the sealing surface at the leftmost end of the cleaning rod 2 passes over the first flow guide opening 13, the cleaning water in the water inlet cavity 101 enters the flow guide pipe 3 from the first flow guide opening 13, and flows into the reset cavity 102 from the second flow guide opening 14, the reset cavity 102 starts to be filled with water, at this time, the cleaning water does not fill the reset cavity 102, the cleaning water cannot generate effective water pressure on the cleaning rod 2, at this time, the cleaning rod 2 bears the right water pressure Fm provided by the water inlet cavity 101 and the left spring force Ff provided by the reset spring 4, at this time, the cleaning rod 2 continues to move to the right, and at this time, the right water pressure Fm is greater than the right spring force Ff provided by the reset spring 4, and at this time, the cleaning rod 2 continues to move to the right.

And (3) motion state three: as shown in fig. 6, the sealing surface at the leftmost end of the cleaning rod 2 is close to the second diversion port 14, the reset cavity 102 is filled with water, at this time, water pressure is built in the reset cavity 102, the pressure of the water inside the reset cavity 102 is the same as that of the water inlet cavity 101, at this time, the cleaning rod 2 bears the rightward water pressure Fm provided by the water inlet cavity 101, the leftward water pressure Fn provided by the reset cavity 102 and the leftward spring force Ff provided by the reset spring 4, at this time, Fm is Fn, and Fm < Fn + Ff, and the cleaning rod 2 starts to move reversely to the left.

And (4) the motion state is four: as shown in fig. 7, after the sealing surface at the leftmost end of the cleaning rod 2 passes through the first diversion port 13, the pressure water in the water inlet cavity 101 is separated by the cleaning rod 2 and cannot enter the reset cavity 102 through the first diversion port 13, at this time, the pressure relief groove 203 on the cleaning rod 2 communicates the reset cavity 102 with the atmosphere outside the cylindrical valve body 1, the cleaning water in the reset cavity 102 flows out to the outside of the cylindrical valve body 1 through the pressure relief groove 203 to relieve the pressure in the reset cavity 102, at this time, the cleaning rod 2 bears the rightward water pressure Fm provided by the water inlet cavity 101, the gradually reduced leftward water pressure Fn provided by the reset cavity 102 and the gradually reduced leftward spring force Ff provided by the reset spring 4, at this time, Fm < Fn + Ff, and the cleaning rod 2 continuously moves leftward for a short distance.

And a fifth motion state: as shown in fig. 8, the pressure of the reset cavity 102 is released, at this time, the gradually decreasing left water pressure Fn provided by the reset cavity 102 is equal to 0, at this time, the cleaning rod 2 bears the right water pressure Fm provided by the water inlet cavity 101, the left water pressure Fn provided by the reset cavity 102 and the left spring force Ff provided by the reset spring 4, at this time, Fn is equal to 0, Fm > Fn + Ff, the cleaning rod 2 starts to move rightwards in a reverse direction, and then the cycle of the movement states 1-5 is continued.

And a motion state six: as shown in fig. 2, the water source is turned off, the cleaning water in the water inlet cavity 101 is emptied through the cleaning nozzle 202, and the cleaning rod 2 moves to the left to the leftmost end of the movement cavity 10 under the spring force of the return spring 4, and is returned to the initial state.

The utility model discloses under the water inlet 11 continuously lets in the condition of steady pressure's cleaning water, can make wash pole 2 and go on at motion state 1-5 circulation, thereby realize wash pole 2's reciprocating motion, thereby realize utilizing reciprocating motion wash spout 202 and carry out reciprocal washing to the buttock of the people after using the closestool, guarantee clean effect, can avoid using the motor to lead to having a power failure the condition emergence that can't use simultaneously.

Further, the washing rod 2 includes a piston portion 21 and a long rod portion 22; the long rod part 22 is arranged on one side of the piston part 21; the piston part 21 is slidably arranged in the inner cavity of the columnar valve body 1, the cavity between the piston part 21 and the water inlet 11 is the water inlet cavity 101, and the cavity between the piston part 21 and the pipe orifice 12 is the reset cavity 102; the reset spring 4 is sleeved outside the long rod part 22, one end of the reset spring 4 is connected with the side surface of the piston part 21, and the other end of the reset spring is connected with the inner wall of the columnar valve body 1; the pressure relief groove 203 is provided in the long rod portion 22.

Specifically, in this embodiment, the cleaning rod 2 is provided with the piston portion 21 to divide the movement cavity 10 into the water inlet cavity 101 and the return cavity 102, the water inlet cavity 101 and the return cavity 102 are not communicated and are relatively sealed, the water pressure Fm of the water inlet cavity 101 acts on the left end surface of the piston portion 21, the water pressure Fn of the return cavity 102 acts on the right end surface of the piston portion 21, the spring force Ff of the return spring 4 acts on the right end surface of the piston portion 21, and the piston portion 21 drives the long rod portion 22 to move, so that the reciprocating movement of the cleaning rod 2 is realized to wash the outside.

Further, the piston portion 21 is provided with a first seal ring 211.

Specifically, in this embodiment, the first sealing ring 211 is disposed between the outer wall of the piston portion 21 and the inner wall of the motion cavity 10, so as to effectively divide the motion cavity 10 into the water inlet cavity 101 and the reset cavity 102, thereby ensuring the relative sealing between the water inlet cavity 101 and the reset cavity 102, and preventing the unstable motion of the cleaning rod 2 caused by the leakage of water pressure.

Further, the draft tube 3 is provided with a throttle valve 31.

Specifically, in this embodiment, the flow guiding pipe 3 is provided with the throttle valve 31, which can control the flow rate of the water flow between the first flow guiding port 13 and the second flow guiding port 14, so as to control the forming speed of the water pressure Fn of the cleaning rod 2 by the reset cavity 102, and thus control the reciprocating frequency of the cleaning rod 2, so that the reciprocating frequency of the cleaning rod 2 can be adjusted, and can be adjusted according to different requirements.

Further, a guide pipe 15 is arranged at the front end of the columnar valve body 1, a guide channel 151 is arranged inside the guide pipe 15, a water passing groove 152 is arranged on the inner wall of the guide channel 151, the water passing groove 152 is communicated with the reset cavity 102, the water passing groove 152 is communicated with the outside atmosphere, and the pipe orifice 12 is arranged on one side of the guide pipe 15.

Specifically, in this embodiment, the cleaning rod 2 is installed in the guide channel 151 and penetrates out of the nozzle 12 to perform a reciprocating motion, the guide pipe 15 can guide the reciprocating motion of the cleaning rod 2, so as to improve the stability of the reciprocating motion of the cleaning rod 2, and in order to maintain a water path communication, the water channels 152 are arranged in the guide channel 151 along the circumference of the inner wall in the direction thereof, so as to communicate the reset cavity 102 with the outside atmosphere, so as to release the water pressure of the reset cavity 102.

Further, the cross section of the cleaning rod 2 is non-perfect circular, and the cross section of the guide channel 151 is configured to be non-perfect circular shape matching with the cross section of the cleaning rod 2.

Specifically, in this embodiment, in order to prevent the cleaning rod 2 from rotating relatively with the axis of the cylindrical valve body 1 during the movement process, which results in the wrong water spraying direction of the cleaning nozzle 202, the toilet user cannot be cleaned effectively, and the user's clothes and other objects may be wetted by the cleaning rod, in this embodiment, the cross section of the cleaning rod 2 is set to be non-circular, so that the cleaning rod 2 cannot rotate during the movement process, and the correct water spraying direction of the cleaning nozzle 202 is ensured.

Further, the cross section of the washing rod 2 is elliptical, and the cross section of the guide passage 151 is provided in an elliptical shape that matches the cross section of the washing rod 2.

Specifically, in this embodiment, in order to prevent the cleaning rod 2 from rotating relative to the axis of the cylindrical valve body 1 during the movement process, the cross section of the cleaning rod 2 is set to be elliptical in this embodiment, so that the cleaning rod 2 cannot rotate during the movement process, and the correct water spraying direction of the cleaning nozzle 202 is ensured.

Further, the cross section of the washing rod 2 is polygonal, and the cross section of the guide passage 151 is provided in a polygonal shape to match the cross section of the washing rod 2.

Specifically, in this embodiment, in order to prevent the cleaning rod 2 from rotating relative to the axis of the cylindrical valve body 1 during the movement process, the cross section of the cleaning rod 2 is set to be polygonal in this embodiment, so that the cleaning rod 2 cannot rotate during the movement process, and the correct water spraying direction of the cleaning nozzle 202 is ensured.

Further, a second sealing ring 16 is arranged at the front end of the columnar valve body 1.

Specifically, in this embodiment, the second sealing ring 16 is disposed at a position close to the nozzle 12, and the second sealing ring 16 is disposed between the outer end surface of the cleaning rod 2 and the inner wall of the reset cavity 102, so as to ensure the relative sealing of the reset cavity 102, and prevent the water pressure from being reduced due to the leakage of the water in the reset cavity 102, which may affect the movement of the cleaning rod 2.

The application still provides a closestool, including closestool body and foretell fluid pressure type wiper mechanism, column valve body 1 set up in the inside of closestool body, it is in to wash pole 2 telescopic motion in the staving inner chamber of closestool body.

Specifically, under the condition that the water inlet 11 of the columnar valve body 1 is continuously filled with cleaning water with stable pressure, the cleaning rod 2 can be circularly carried out in a motion state of 1-5, so that the reciprocating motion of the cleaning rod 2 is realized, the cleaning nozzle 202 extends out of the inner part of the closestool body into the inner cavity of the closestool body, the buttocks of people using the closestool are cleaned in a reciprocating mode, the cleaning effect of the buttocks is guaranteed, and meanwhile the condition that a motor is used to cause power failure and cannot be used is avoided.

Other configurations and operations of a hydraulic washing mechanism and a toilet using the same according to an embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

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

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

Claims (10)

1. A hydraulic cleaning mechanism is characterized in that: comprises a columnar valve body, a cleaning rod, a flow guide pipe and a return spring; a moving cavity is arranged inside the columnar valve body, a pipe orifice is arranged at the front end of the columnar valve body, and a water inlet is arranged at the rear end of the columnar valve body; the cleaning rod is slidably arranged in the moving cavity, the moving cavity is divided into a water inlet cavity and a reset cavity by the cleaning rod, and the front end of the cleaning rod extends out of the pipe orifice; a cleaning channel is arranged inside the cleaning rod, and a cleaning nozzle is arranged at the front end of the cleaning rod; one end of the cleaning channel is communicated with the water inlet cavity, and the other end of the cleaning channel is communicated with the cleaning nozzle; the cleaning rod is provided with a pressure relief groove which can communicate the reset cavity with the outside atmosphere; the reset spring is sleeved on the cleaning rod and arranged in the reset cavity, and the cleaning rod has a tendency of being close to the water inlet under the elastic force action of the reset spring; the columnar valve body is provided with a first flow guide port communicated with one end of the flow guide pipe, the columnar valve body is provided with a second flow guide port communicated with the other end of the flow guide pipe, and the flow guide pipe can be communicated with the water inlet cavity and the reset cavity.

2. The hydraulic cleaning mechanism of claim 1, further comprising: the cleaning rod comprises a piston part and a long rod part; the long rod part is arranged on one side of the piston part; the piston part is slidably arranged in an inner cavity of the columnar valve body, a cavity between the piston part and the water inlet is a water inlet cavity, and a cavity between the piston part and the pipe orifice is a reset cavity; the reset spring is sleeved outside the long rod part, one end of the reset spring is connected with the side surface of the piston part, and the other end of the reset spring is connected with the inner wall of the columnar valve body; the pressure relief groove is arranged on the long rod part.

3. A fluid pressure cleaning mechanism as defined in claim 2 wherein: the piston portion is provided with a first sealing ring.

4. The hydraulic cleaning mechanism of claim 1, further comprising: the honeycomb duct is provided with a throttle valve.

5. The hydraulic cleaning mechanism of claim 1, further comprising: the front end of the columnar valve body is provided with a guide pipe, a guide channel is arranged in the guide pipe, a water through groove is formed in the inner wall of the guide channel and communicated with the reset cavity, the water through groove is communicated with the outside atmosphere, and the pipe orifice is formed in one side of the guide pipe.

6. The hydraulic cleaning mechanism of claim 5, further comprising: the cross section of the cleaning rod is in a non-perfect-circle shape, and the cross section of the guide channel is in a non-perfect-circle shape matched with the cross section of the cleaning rod.

7. The hydraulic cleaning mechanism of claim 6, further comprising: the cross section of the cleaning rod is oval, and the cross section of the guide channel is set to be oval matched with the cross section of the cleaning rod.

8. The hydraulic cleaning mechanism of claim 6, further comprising: the cross section of the cleaning rod is polygonal, and the cross section of the guide channel is set to be in a polygonal shape matched with the cross section of the cleaning rod.

9. The hydraulic cleaning mechanism of claim 1, further comprising: and a second sealing ring is arranged at the front end of the columnar valve body.

10. A toilet bowl comprising a toilet body and the hydraulic cleaning mechanism of any one of claims 1 to 9, wherein the cylindrical valve body is disposed inside the toilet body, and the cleaning rod is telescopically moved in the bowl cavity of the toilet body.

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