CN216616116U

CN216616116U - Rotary valve core type pulse valve for intelligent closestool

Info

Publication number: CN216616116U
Application number: CN202123336261.5U
Authority: CN
Inventors: 李文明; 梁顺凯
Original assignee: Shenzhen Hengzhiyun Technology Co Ltd
Current assignee: Shenzhen Hengzhiyun Technology Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-27
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a rotary valve core type pulse valve for an intelligent closestool. In the rotary valve core type pulse valve for the intelligent closestool, when the pulse valve core rotates relative to the pulse shell, the stop block of the pulse valve core is switched between the blocking state and the unblocking state, and the pulse inlet and the pulse outlet are alternately in the semi-opening state and the full-opening state, so that the flow area of the water flow channel is periodically reduced or increased, the pressure of the flushing water flowing out of the rotary valve core type pulse valve is alternately increased or reduced, and a user obtains gradually changed pressure feeling and impact feeling when using the rotary valve core type pulse valve, so that the massage comfort level is achieved, and the use experience of the user is improved.

Description

Rotary valve core type pulse valve for intelligent closestool

Technical Field

The utility model relates to the technical field of sanitary ware, in particular to a rotary valve core type pulse valve for an intelligent closestool.

Background

The intelligent closestool is more and more favored by users due to the characteristics of cleanness, sanitation and convenient operation. The intelligent closestool can spray the water column to clean the buttocks, and is convenient and clean to use.

At present, the intelligent closestool sprays water column and uses pulse pump to direct pressurization to water and form. The water column thus formed can achieve a certain washing function, but has a large impact and pressure on the human body, and thus is not comfortable for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that in the intelligent closestool in the prior art, a water jet is formed by directly pressurizing water by using a pulse pump, the impact feeling and the pressure feeling to a human body are large, and the use feeling of a user is poor.

In order to solve the technical problem, the utility model provides a rotary valve core type pulse valve for an intelligent closestool, which comprises a pulse shell and a pulse valve core, wherein one end of the pulse shell is opened, and an accommodating cavity is arranged in the pulse shell; the pulse shell is provided with a pulse inlet and a pulse outlet, the pulse inlet and the pulse outlet are both communicated with the accommodating cavity, and the pulse inlet and the pulse outlet are both used for being communicated with a pipeline of the intelligent closestool; the pulse valve core is arranged in the accommodating cavity of the pulse shell; the pulse valve core comprises a core main body and a pair of stop blocks annularly arranged on the core main body, the stop blocks protrude out of the surface of the core main body, and a space is arranged between the two stop blocks; the outer walls of the stop blocks are abutted against the inner wall of the pulse shell, the part of the core main body between the two stop blocks is opposite to the pulse inlet and the pulse outlet, and a water flow channel is formed between the core main body and the pulse shell; the pulse valve core can rotate relative to the pulse shell so as to enable the stop block to be switched between a non-blocking state and a blocking state, and therefore the flow area of the water flow channel is periodically increased or decreased; when the stop block is in the stop state, the pulse inlet and the pulse outlet are partially stopped by the stop block, and the pulse inlet and the pulse outlet are in a semi-open state, so that the flow area of the water flow channel is reduced; when the stop block is in the unblocked state, the pulse inlet and the pulse outlet are in a fully open state, so that the flow area of the water flow channel is increased.

Optionally, the stopper includes a fixing portion and a plurality of stopping portions connected to an end edge of the fixing portion, the fixing portion is disposed around the outside of the core body, the plurality of stopping portions are disposed at intervals at an edge of the fixing portion, and an interval between two adjacent stopping portions constitutes a gap portion; the two stop blocks of the pulse valve core are respectively a first stop block and a second stop block, when the pulse valve core rotates relative to the pulse shell, the blocking part and the vacancy part of the first stop block alternately correspond to the pulse inlet, and the blocking part and the vacancy part of the second stop block alternately correspond to the pulse outlet; when the stopping part of the first stopping block stops the pulse inlet, the stopping part of the second stopping block stops the pulse outlet; when the vacancy part of the first stop block corresponds to the pulse inlet, the vacancy part of the second stop block corresponds to the pulse outlet.

Optionally, each of the blocks includes three of the stopping portions, and the three stopping portions are uniformly spaced at the edge of the fixing portion.

Optionally, the two stoppers of the pulse valve core are respectively a first stopper and a second stopper, the two ends of the core main body are respectively an inner end and an outer end, the inner end of the core main body extends into the pulse shell, and the outer end of the core main body protrudes out of the opening end of the pulse shell; the first stop block is arranged at the inner end of the core main body, the second stop block is arranged on one side of the first stop block, which is deviated from the inner end of the core main body, and a gap is formed between the second stop block and the end face of the outer end of the core main body.

Optionally, an end face of the outer end of the core main body is provided with a matching portion, and the matching portion is used for being connected with a driving device, so that the driving device drives the pulse valve core to rotate relative to the pulse housing.

Optionally, the pulse valve core further comprises a mounting portion, and the mounting portion is annularly arranged on the core main body and is arranged close to the outer end of the core main body; the external diameter of installation department is less than the external diameter of dog, the installation department with interval between the second dog terminal surface constitutes first installation position, the installation department with interval between the outer end terminal surface of core main part constitutes second installation position.

Optionally, the rotary valve core type pulse valve further comprises an end cover, and the end cover is sleeved on the core main body and is located at the second installation position; the end cover comprises a cover main body and a connecting part arranged on the peripheral edge of the cover main body, the cover main body is provided with a mounting hole, and the outer end of the core main body is arranged in the mounting hole in a penetrating way; the pulse shell comprises a shell body and an assembling portion arranged at the edge of an opening of the shell body, the assembling portion corresponds to the connecting portion, via holes are correspondingly formed in the assembling portion and the connecting portion, and a connecting piece penetrates through the via holes to enable the end cover to be fixed on the pulse shell.

Optionally, the rotary valve core type pulse valve further comprises a first sealing ring, the first sealing ring is sleeved on the mounting portion, and the periphery of the first sealing ring is abutted to the inner wall of the pulse housing.

Optionally, the rotary valve core type pulse valve further comprises a second sealing ring, the second sealing ring is sleeved on the core main body and is arranged at the first installation position, and the periphery of the second sealing ring is abutted to the inner wall of the pulse housing.

According to the technical scheme, the beneficial effects of the utility model are as follows: in the rotary valve core type pulse valve for the intelligent closestool, when the pulse valve core rotates relative to the pulse shell, the stop block of the pulse valve core is switched between the blocking state and the unblocking state, and the pulse inlet and the pulse outlet are alternately in the half-opening state and the full-opening state, so that the flow area of the water flow channel is periodically reduced or increased, the pressure of the water flow for flushing flowing out of the rotary valve core type pulse valve is alternately increased or reduced, and a user obtains gradually changed pressure feeling and impact feeling when using the rotary valve core type pulse valve, thereby achieving the comfort level of massage and improving the use experience of the user.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a rotary spool type pulse valve for an intelligent toilet according to the present invention.

Fig. 2 is a sectional view of the rotary spool type pulse valve shown in fig. 1.

Fig. 3 is an exploded view of the rotary spool type pulse valve shown in fig. 1.

The reference numerals are explained below: 10. rotating the spool type pulse valve; 11. a pulse housing; 111. an accommodating cavity; 112. a pulse inlet; 1121. an inlet fitting; 113. a pulse outlet; 1131. an outlet fitting; 114. a housing main body; 115. an assembling portion; 12. a pulse valve core; 121. a core body; 1211. an inner end; 1212. an outer end; 1213. a fitting portion; 122. a first stopper; 123. a second stopper; 124. a fixed part; 125. a stopper portion; 126. an empty part; 127. an installation part; 128. a first mounting location; 129. a second mounting location; 13. a water flow channel; 14. an end cap; 141. a cover main body; 1411. mounting holes; 142. a connecting portion; 15. a first seal ring; 16. and a second seal ring.

Detailed Description

Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides a rotary spool type pulse valve 10, and the rotary spool type pulse valve 10 is used for an intelligent toilet, so that the intelligent toilet sprays pulse water, the use requirements of users are met, a better pressure feeling and impact feeling are provided, and the use experience of the users is improved. The rotary spool type pulse valve 10 of the present embodiment includes a pulse housing 11 and a pulse spool 12.

Wherein, one end of the pulse housing 11 is opened and the inside is provided with an accommodating cavity 111. The pulse shell 11 is provided with a pulse inlet 112 and a pulse outlet 113, the pulse inlet 112 and the pulse outlet 113 are both communicated with the accommodating cavity 111, and the pulse inlet 112 and the pulse outlet 113 are both used for being communicated with a pipeline of the intelligent closestool.

The pulse valve core 12 is disposed in the accommodating chamber 111 of the pulse housing 11, and the pulse valve core 12 includes a core main body 121 and a pair of stoppers annularly disposed on the core main body 121. The stoppers protrude from the surface of the core body 121, and a space is provided between the two stoppers. The outer walls of the stoppers abut against the inner wall of the pulse housing 11, and the portion of the core body 121 between the stoppers is opposite to the pulse inlet 112 and the pulse outlet 113, and forms a water flow passage 13 with the pulse housing 11.

In this embodiment, the pulse valve core 12 can rotate relative to the pulse housing 11 to switch the block between the unblocked state and the blocked state, so that the flow area of the water channel 13 can be periodically increased or decreased. When the block is in the blocking state, the block partially blocks the pulse inlet 112 and the pulse outlet 113, and the pulse inlet 112 and the pulse outlet 113 are in a semi-open state, so that the flow area of the water flow channel 13 is reduced. When the stopper is in the unblocked state, the pulse inlet 112 and the pulse outlet 113 are in the fully open state, so that the flow area of the water flow passage 13 is increased.

Further, the pulse housing 11 of the present embodiment includes a housing main body 114 and a fitting portion 115 that sets an edge of the housing main body 114. The housing body 114 is generally cylindrical, and has an opening at one end thereof and an accommodating chamber 111 therein. The pulse inlet 112 and the pulse outlet 113 are both arranged on the outer wall of the shell body 114, and the pulse inlet 112 and the pulse outlet 113 are communicated with the accommodating cavity 111.

In this embodiment, the pulse inlet 112 and the pulse outlet 113 are disposed oppositely, and the cross section of the pulse inlet 112 is parallel to the cross section of the pulse outlet 113, that is, in the cross-sectional direction of the shell body, the pulse inlet 112 and the pulse outlet 113 are disposed in a staggered manner. The pulse housing 11 of this embodiment further includes an inlet joint 1121 and an outlet joint 1131, and both the inlet joint 1121 and the outlet joint 1131 are tubular structures with two open ends and hollow interiors.

The inlet joint 1121 is provided at the pulse inlet 112, and communicates with the pulse inlet 112, thereby communicating with the accommodation chamber 111 inside the housing main body 114. The outlet joint 1131 is provided at the pulse outlet 113, and communicates with the pulse outlet 113, thereby communicating with the accommodation chamber 111 inside the housing main body 114. Inlet fitting 1121 and outlet fitting 1131 are each adapted to communicate with the plumbing of an intelligent toilet.

The fitting parts 115 are provided at the edges of the opening of the housing main body 114, and the fitting parts 115 of the present embodiment are provided with four, but not limited to four. The four assembling portions 115 are arranged at intervals at the edge of the housing main body 114, the outer contour of the assembling portion 115 is semicircular, and each assembling portion 115 is provided with a through hole.

Further, the pulse valve core 12 is inserted into the accommodating cavity 111 of the pulse housing 11. The pulse valve spool 12 of the present embodiment includes a spool body 121 and a pair of stoppers provided on the spool body 121, the two stoppers being a first stopper 122 and a second stopper 123, respectively.

In this embodiment, the core main body 121 has a cylindrical structure, and the two ends of the core main body 121 are respectively an inner end 1211 and an outer end 1212. The inner end 1211 extends into the accommodating cavity 111 of the pulse housing 11 and abuts against the bottom wall of the pulse housing 11.

The outer end 1212 of the core main body 121 protrudes out of the opening of the housing main body 114, and the outer end 1212 of the core main body 121 of this embodiment is provided with a fitting portion 1213, where the fitting portion 1213 is a mounting opening for mounting a driving device to drive the pulse valve core 12 to rotate relative to the pulse housing 11.

The first stopper 122 is disposed at the inner end 1211 of the core main body 121, and the inner end 1211 of the core main body 121 slightly exceeds the outer side surface of the first stopper 122. A second stop 123 is disposed on a side of the first stop 122 facing away from the inner end 1211, the second stop 123 being spaced from an end surface of the outer end 1212 of the core body 121.

The first stopper 122 and the second stopper 123 of the present embodiment each include a fixing portion 124 and three stopping portions 125 disposed at edges of the fixing portion 124. The fixing portion 124 is disposed around the outside of the core main body 121, three stoppers 125 are disposed at an end edge of the fixing portion 124 uniformly and at intervals, and an interval between two adjacent stoppers 125 constitutes a gap portion 126.

It should be understood that, in addition to the arrangement of three stoppers 125 shown in the present embodiment, the number of the stoppers 125 may also be one, two, four, six, etc., and the stoppers may be correspondingly arranged according to the size and the requirement, which is not limited herein.

In the core main body 121 of the present embodiment, an end portion of the fixing portion 124 of the first stopper 122 having the stopper 125 is opposite to an end portion of the fixing portion 124 of the second stopper 123 having the stopper 125. The stopping portion 125 of the first stopper 122 corresponds to the vacant portion 126 of the second stopper 123, and the vacant portion 126 of the first stopper 122 corresponds to the stopping portion 125 of the second stopper 123.

The pulse valve core 12 is inserted into the accommodating cavity 111 of the pulse housing 11, an end surface of an inner end 1211 of the core main body 121 abuts against a bottom wall of the pulse housing 11, and a peripheral side wall of the first stopper 122 and a peripheral side wall of the second stopper 123 both abut against an inner wall of the pulse housing 11.

In the cross-sectional direction of the rotary spool type pulse valve 10, the first stopper 122 corresponds to the pulse inlet 112, and the second stopper 123 corresponds to the pulse outlet 113. A water flow passage 13 is formed between the area of the core main body 121 between the first stopper 122 and the second stopper 123 and the pulse housing 11. The water for flushing enters the water channel 13 from the pulse inlet 112 and then flows out from the water channel 13 through the pulse outlet 113.

When the pulse valve core 12 rotates relative to the pulse housing 11, the blocking portions 125 and the vacant portions 126 of the first stop 122 alternately correspond to the pulse inlet 112, and the blocking portions 125 and the vacant portions 126 of the second stop 123 alternately correspond to the pulse outlet 113.

Specifically, when the stopper 125 of the first stopper 122 partially stops the pulse inlet 112, the stopper 125 of the second stopper 123 partially stops the pulse outlet 113 at the same time, and at this time, the pulse inlet 112 and the pulse outlet 113 are both in a half-open state, and the flow area of the water flow channel 13 is reduced, so that the pressure of the water flow for flushing flowing out of the rotary spool type pulse valve 10 is increased.

When the gap 126 of the first stopper 122 corresponds to the pulse inlet 112, the gap 126 of the second stopper 123 corresponds to the pulse outlet 113 at the same time, and at this time, both the pulse inlet 112 and the pulse outlet 113 are in a fully open state, and the flow area of the water flow channel 13 is increased, so that the pressure of the flushing water flowing out of the rotary valve core type pulse valve 10 is reduced.

In the process that the pulse valve core 12 rotates relative to the pulse housing 11, the pulse inlet 112 and the pulse outlet 113 are both alternately in a half-open state and a full-open state, so that the flow area of the water flow channel 13 is periodically reduced or increased, and the pressure of the water flow for flushing flowing out of the rotary valve core type pulse valve 10 is alternately increased or reduced, so that a user obtains gradually-changed pressure feeling and impact feeling when using the rotary valve core type pulse valve, the comfort level of massage is achieved, and the use experience of the user is improved.

Further, the pulse spool 12 of the present embodiment further includes a mounting portion 127. The mounting portion 127 is annularly disposed on the core body 121 and is disposed proximate an outer end 1212 of the core body 121.

In this embodiment, the outer diameter of the mounting portion 127 is smaller than the outer diameter of the stopper. When the pulse valve body 12 is inserted into the pulse housing 11, a space is provided between the outer peripheral side of the mounting portion 127 and the inner wall of the pulse housing 11. The mounting portion 127 is spaced from an end surface of the second stopper 123, and the spacing therebetween constitutes a first mounting location 128. The mounting portion 127 also has a spacing from the end face of the outer end 1212 of the core body 121, the spacing therebetween constituting a second mounting location 129.

The rotary spool type pulse valve 10 of the present embodiment further includes an end cover 14, and the end cover 14 includes a cover main body 141 and a connecting portion 142 provided at an outer peripheral edge of the cover main body 141. The outer contour of the cover body 141 is circular. The cover body 141 has a mounting hole 1411 in the middle, and the cover body 141 is sleeved on the outer end 1212 of the core body 121 through the mounting hole 1411 and is located on the second mounting position 129 of the core body 121.

The number of the connecting portions 142 on the end cap 14 corresponds to the number of the fitting portions 115 on the pulse housing 11, and the connecting portions 142 correspond to the positions of the fitting portions 115. The connecting portion 142 is in a semicircular shape similar to the assembling portion 115, through holes are correspondingly formed in the connecting portion 142 and the assembling portion 115, and the connecting member penetrates through the through holes so that the end cover 14 is fixed on the pulse housing 11.

The connecting member may be a bolt, a pin, or other structures, and is not limited herein as long as the end cap 14 can be stably connected to the pulse housing 11.

Through setting up end cover 14, can protect the inside pulse case 12 of pulse casing 11, do not interfere the relative rotation of pulse case 12 simultaneously to ensure the stability of rotatory case formula pulse valve 10 overall structure, guarantee that rotatory case formula pulse valve 10 regulates and control rivers pressure steadily.

In addition, the rotary spool type pulse valve 10 of the present embodiment further includes a first seal ring 15 and a second seal ring 16. The first sealing ring 15 is sleeved on the mounting portion 127, and the periphery of the first sealing ring 15 abuts against the inner wall of the pulse housing 11. The second seal ring 16 is fitted over the core main body 121 and disposed at the first mounting position 128. The outer periphery of the second seal ring 16 abuts against the inside of the pulse housing 11.

The first sealing ring 15 and the second sealing ring 16 are arranged to ensure the sealing performance inside the pulse shell 11, prevent water from flowing out from the end cover 14, ensure that the water for flushing only flows through the water flow channel 13, and ensure the regulation and control of the rotary valve core type pulse valve 10 on the water flow pressure.

For the rotary spool type pulse valve for the intelligent toilet of the embodiment, in the process that the pulse spool rotates relative to the pulse shell, the stop block of the pulse spool is switched between the blocking state and the unblocking state, and the pulse inlet and the pulse outlet are alternately in the half-open state and the full-open state, so that the flow area of the water flow channel is periodically reduced or increased, the pressure of the water flow flowing out of the rotary spool type pulse valve for flushing is alternately increased or reduced, and thus a user obtains gradually changed pressure feeling and impact feeling when using the rotary spool type pulse valve, the comfort level of massage is achieved, and the use experience of the user is improved.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A rotary spool type pulse valve for an intelligent toilet, comprising:

the pulse shell is provided with an opening at one end and an accommodating cavity inside; the pulse shell is provided with a pulse inlet and a pulse outlet, the pulse inlet and the pulse outlet are both communicated with the accommodating cavity, and the pulse inlet and the pulse outlet are both used for being communicated with a pipeline of the intelligent closestool;

the pulse valve core is arranged in the accommodating cavity of the pulse shell; the pulse valve core comprises a core main body and a pair of stop blocks annularly arranged on the core main body, the stop blocks protrude out of the surface of the core main body, and a space is arranged between the two stop blocks; the outer walls of the stop blocks are abutted against the inner wall of the pulse shell, the part of the core main body between the two stop blocks is opposite to the pulse inlet and the pulse outlet, and a water flow channel is formed between the core main body and the pulse shell;

the pulse valve core can rotate relative to the pulse shell so as to enable the stop block to be switched between a non-blocking state and a blocking state, and therefore the flow area of the water flow channel is periodically increased or decreased; when the stop block is in the stop state, the pulse inlet and the pulse outlet are partially stopped by the stop block, and the pulse inlet and the pulse outlet are in a semi-open state, so that the flow area of the water flow channel is reduced; when the stop block is in the unblocked state, the pulse inlet and the pulse outlet are in a fully open state, so that the flow area of the water flow channel is increased.

2. The rotary spool type pulse valve for an intelligent toilet according to claim 1, wherein the stopper comprises a fixing portion and a plurality of stoppers connected to an end edge of the fixing portion, the fixing portion is disposed around the outside of the spool body, the plurality of stoppers are disposed at an edge of the fixing portion at intervals, and an interval between two adjacent stoppers constitutes a gap portion;

the two stop blocks of the pulse valve core are respectively a first stop block and a second stop block, when the pulse valve core rotates relative to the pulse shell, the blocking part and the vacancy part of the first stop block alternately correspond to the pulse inlet, and the blocking part and the vacancy part of the second stop block alternately correspond to the pulse outlet; when the stopping part of the first stopping block stops the pulse inlet, the stopping part of the second stopping block stops the pulse outlet; when the vacancy part of the first stop block corresponds to the pulse inlet, the vacancy part of the second stop block corresponds to the pulse outlet.

3. The rotary spool type pulse valve for an intelligent toilet according to claim 2, wherein each of the stoppers comprises three stoppers, and the three stoppers are uniformly spaced at the edge of the fixing portion.

4. The rotary spool type pulse valve for the intelligent closestool according to claim 1, wherein two stoppers of the pulse valve spool are respectively a first stopper and a second stopper, two ends of the spool main body are respectively an inner end and an outer end, the inner end of the spool main body extends into the interior of the pulse shell, and the outer end of the spool main body protrudes out of the opening end of the pulse shell; the first stop block is arranged at the inner end of the core main body, the second stop block is arranged on one side of the first stop block, which is deviated from the inner end of the core main body, and a gap is formed between the second stop block and the end face of the outer end of the core main body.

5. The rotary spool type pulse valve for the intelligent closestool according to claim 4, wherein an engagement portion is arranged on an end surface of the outer end of the spool main body and is used for being connected with a driving device, so that the driving device drives the pulse spool to rotate relative to the pulse shell.

6. The rotary spool type pulse valve for an intelligent toilet according to claim 4, wherein the pulse valve spool further comprises a mounting portion that is annularly disposed on the spool body and disposed near an outer end of the spool body; the external diameter of installation department is less than the external diameter of dog, the installation department with interval between the second dog terminal surface constitutes first installation position, the installation department with interval between the outer end terminal surface of core main part constitutes second installation position.

7. The rotary spool type pulse valve for the intelligent closestool of claim 6, further comprising an end cover, wherein the end cover is sleeved on the core main body and is located at the second installation position; the end cover comprises a cover main body and a connecting part arranged on the peripheral edge of the cover main body, the cover main body is provided with a mounting hole, and the outer end of the core main body is arranged in the mounting hole in a penetrating way;

the pulse shell comprises a shell body and an assembling portion arranged at the edge of an opening of the shell body, the assembling portion corresponds to the connecting portion, via holes are correspondingly formed in the assembling portion and the connecting portion, and a connecting piece penetrates through the via holes to enable the end cover to be fixed on the pulse shell.

8. The rotary valve core type pulse valve for the intelligent closestool according to claim 6, further comprising a first sealing ring, wherein the first sealing ring is sleeved on the mounting portion, and the periphery of the first sealing ring is abutted against the inner wall of the pulse shell.

9. The rotary spool type pulse valve for the intelligent closestool according to claim 6, further comprising a second sealing ring, wherein the second sealing ring is sleeved on the core main body and is arranged at the first installation position, and the periphery of the second sealing ring is abutted against the inner wall of the pulse shell.