CN111997913B

CN111997913B - Mute type reversal back pressure water delivery pump

Info

Publication number: CN111997913B
Application number: CN202010910195.9A
Authority: CN
Inventors: 李焕醒
Original assignee: Suzhou Becky Electronic Technology Co ltd
Current assignee: Suzhou Becky Electronic Technology Co.,Ltd.
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-15
Anticipated expiration: 2040-09-02
Also published as: CN113374701A; CN111997913A

Abstract

The invention discloses a mute type reversal back pressure water delivery pump, which comprises a supporting component, a power component and a cooling component, wherein the supporting component is positioned at the outermost side of the whole set of device, the power component is arranged in the supporting component, and the cooling component is arranged on the supporting component. The mute effect of the water delivery pump is reduced by preventing the mute component from being blocked by dust.

Description

Mute type reversal back pressure water delivery pump

Technical Field

The invention relates to the technical field of water pumps, in particular to a mute type reverse-rotation back-pressure water delivery pump.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and can be used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid matter, and its technical parameters of water pump performance include flow rate, suction lift, shaft power, water power and efficiency, and can be divided into various types of volume water pump and vane pump according to different working principles, the volume pump can utilize the change of working chamber volume to transfer energy, and the vane pump can utilize the interaction of rotary blade and water to transfer energy, and is equipped with centrifugal pump, shaft pump and mixed flow pump, and its existent water pump can produce high-temp. scalding of driving motor under the condition of long-time uninterrupted use, and its high-temp. operation not only can reduce the stability of motor drive, the high-temperature damage phenomenon is easy to generate, the long-term maintenance of the water delivery pump is not facilitated, the noise of the water delivery pump is large, and the service environment is greatly influenced, so that people need a mute type reversal back pressure water delivery pump to solve the problems.

Disclosure of Invention

The invention aims to provide a mute type reverse-rotation back-pressure water delivery pump to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a silence type reversal back pressure water delivery pump, includes supporting component, power component, cooling component, silence component, regulation and control subassembly, the supporting component is located the outside of complete equipment, plays the effect of supporting with other parts in the protection device, the inside power component that is provided with of supporting component, power component is the power source of complete equipment, be provided with cooling component on the supporting component, cooling component plays the cooling effect to the motor, cooling component side is provided with the silence component, the silence component plays the effect that reduces the water delivery pump noise, be provided with the regulation and control subassembly in the silence component, the regulation and control subassembly plays the effect of maintaining silence component long-term operation.

The supporting component comprises a water pump shell, an inlet pipe and an outlet pipe, wherein the water pump shell is located on the outermost side of the whole device, one end of the water pump shell is fixedly provided with the inlet pipe, the outer side wall of the water pump shell is far away from one end of the inlet pipe and is fixedly provided with the outlet pipe, the inlet pipe and the outlet pipe are respectively fixedly connected with an external pipe fitting and a container which needs to pump water, and the pipe fitting which is connected with the outlet pipe is connected with the container which needs to supply water.

The power component comprises a motor fixing box, a motor transmission shaft and a centrifugal impeller, the motor fixing box is fixedly mounted inside the water pump shell, the motor is fixedly mounted in the motor fixing box, the motor is arranged in the motor fixing box, the motor transmission shaft is provided with the motor transmission shaft, the motor transmission shaft is close to one end of the water inlet pipe and is fixedly mounted with the centrifugal impeller, the motor is electrically connected with an external power supply through an electric wire, the motor is started, the motor transmission shaft drives the centrifugal impeller to rotate, the centrifugal impeller is close to one side of the water inlet pipe and is a cambered surface, and the centrifugal impeller can throw out water around the centrifugal impeller to the side wall direction of the water pump shell in the rotating process so.

The cooling component comprises a water guide cambered surface pipe, a water stop plate, an arc-shaped water circulation plate and circulation water hole grooves, wherein the water guide cambered surface pipe is fixedly installed at the upper end of the motor fixing box, one end of the water guide cambered surface pipe is communicated with the inner space of the water pump shell, the water stop plate is fixedly installed at the end, close to the water outlet pipe, of the water guide cambered surface pipe, the arc-shaped water circulation plate is installed on the inner side wall of the water pump shell in a laminating manner, a plurality of circulation water hole grooves are formed in the arc-shaped water circulation plate, the circulation water hole grooves of two adjacent arc-shaped water circulation plates are mutually laminated and communicated, the circulation water hole grooves close to the water guide cambered surface pipe are communicated with the inner side wall of the water guide cambered surface pipe, a centrifugal impeller throws water to the inner side wall of the water pump shell, a water source is pressed to flow towards the inside of the water guide cambered surface pipe and, the inside of the circulating water hole groove is filled with water, flowing water flow is formed, because the water guide arc surface pipe is close to the motor, constantly updated water flow can play a good cooling effect on the motor, the continuous operation of the motor is improved frequently, the damage of high temperature generated by long-time use to the motor can be reduced, the motor and even the long-term use and maintenance of the water delivery pump are facilitated, the circulating water hole groove close to the water outlet pipe is communicated with the water outlet pipe, and water flow is outwards output through the water outlet pipe.

The silent assembly comprises sound absorption holes, a horn guide groove and a sound absorption interconnection groove hole, wherein a plurality of sound absorption holes are formed in one side, close to the motor fixing box, of the arc-shaped water circulation plate, the sound absorption holes are formed in one end, far away from the motor fixing box, of the sound absorption holes, the horn guide groove is communicated with the sound absorption interconnection groove hole, the regulation and control assembly comprises a rubber trigger layer, a trigger groove, a spring, a trigger plate, a reset spring rotating shaft and a baffle strip, the rubber trigger layer is fixedly installed on one side, close to the motor fixing box, of the circulation hole groove, the trigger groove is formed in one side, far away from the circulation hole groove, of the rubber trigger layer, the trigger groove is formed in the arc-shaped water circulation plate, the spring is fixedly installed at one end, far away from the rubber trigger layer, of the trigger groove, the trigger plate is fixedly installed at, the device is characterized in that a reset spring rotating shaft is fixedly arranged at one end, close to the sound absorption hole, of the trigger groove, a blocking strip is elastically and rotatably arranged on the reset spring rotating shaft, one side, close to the circulating water hole, of the blocking strip is in contact with one side, close to the spring, of the trigger plate, water flow can form pressure on the rubber trigger layer in the flowing process of the circulating water hole, the rubber trigger layer is pressed and deformed and generates a driving force on the trigger plate, so that the trigger plate is driven towards the spring direction, the spring has the effect of helping the trigger plate and the rubber trigger layer to reset by utilizing the elastic force under the condition of no water flow pressure, the trigger plate moves towards the spring direction and forms a driving force on the blocking strip, the blocking strip rotates by taking the reset spring rotating shaft as an axis, the unpressurized end of the blocking strip rotates into the trigger groove, no blocking phenomenon exists inside the sound absorption hole, so that the, under the no water flow pressure state of circulating water hole inslot portion promptly, the blend stop can not the atress rotation, and the blend stop tightly laminates with the trigger plate under the spring action of reset spring pivot, will inhale the stifled jam of sound hole passageway, realizes inhaling sound hole and loudspeaker guide way, inhales the dustproof effect under the storage state of sound interconnection slotted hole, avoids the silence subassembly to be blockked up by the dust and reduces water delivery pump's silence effect.

Circulating water hole inslot fixed mounting has the check valve, is convenient for improve circulating water hole inslot hydrologic cycle effect, avoids the phenomenon that circulating water hole inslot portion water velocity is low that the circulating water hole groove both ends received water pressure to cause.

The return spring rotating shaft can restore to the initial state under the action of elastic force after being stressed.

The width of the trigger plate is 5-8 mm smaller than that of the trigger groove, so that the trigger plate can touch the barrier strips, and the barrier strips are convenient to push and trigger.

Inhale the sound interconnection slotted hole and be the sound interconnection slotted hole of inhaling of honeycomb, inhale inside a plurality of sound interconnection slotted hole and inhale the sound hole, inhale sound hole interconnect, be convenient for strengthen and inhale the sound effect.

Compared with the prior art, the invention has the following beneficial effects:

the circulating water hole groove is designed, so that flowing water flow is formed inside the water delivery process of the water delivery pump, constantly updated water flow can have a good cooling effect on the motor, the continuous operation time of the motor is improved, the damage to the motor caused by high temperature in long-time use can be reduced, the long-term use and maintenance of the motor and even the water delivery pump are facilitated, the one-way valve is additionally arranged in the circulating water hole groove, the water circulation effect in the circulating water hole groove can be improved, and the phenomenon that the water flow speed in the circulating water hole groove is low due to the fact that the two ends of the circulating water hole groove are subjected to water pressure is avoided;

the mute component is designed, the honeycomb-shaped sound-absorbing interconnected slotted holes are used for forming an absorbing effect on the noise of the motor, and the horn-shaped horn guide grooves are used as sound wave transmission channels, so that the reverse transmission capacity of sound waves is further reduced, and the sound retaining effect of the sound-absorbing interconnected slotted holes is enhanced;

the invention designs the regulating and controlling component to regulate and control the opening and closing of the mute component, and controls the opening and closing effect of the mute component by utilizing the water flow pressure in the circulating water hole groove, so that the mute component is unblocked only in the starting state of the water delivery pump to reduce noise and sound, and when the water delivery pump is not used, the sound absorbing hole channel is blocked, thereby realizing the dustproof effect of the sound absorbing hole, the loudspeaker guide groove and the sound absorbing interconnected groove hole in the non-use storage state, and avoiding the mute component from being blocked by dust to reduce the mute effect of the water delivery pump.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the right cross-sectional view of the arcuate water circulation plate region of the present invention;

FIG. 3 is a schematic diagram of the structure of the arcuate water circulation plate of the present invention;

FIG. 4 is a detailed view of the internal structure of the arcuate water circulation plate of the present invention;

in the figure: 101. a water pump housing; 102. a water inlet pipe; 103. a water outlet pipe; 201. a motor fixing box; 202. a motor; 203. a motor transmission shaft; 204. a centrifugal impeller; 301. a water guide cambered surface pipe; 302. a water-stop sheet; 303. an arc-shaped water circulation plate; 304. a circulating water hole groove; 401. a sound absorption hole; 402. a horn guide groove; 403. a sound absorbing interconnecting slot; 501. a rubber trigger layer; 502. a trigger slot; 503. a spring; 504. a trigger plate; 505. a return spring shaft; 506. and (6) blocking strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a silence type reversal back pressure water delivery pump, including supporting component, power component, the cooling subassembly, the silence subassembly, regulation and control subassembly, supporting component is located the outside of complete equipment, play the effect of supporting with other parts in the protection device, the inside power component that is provided with of supporting component, power component is the power source of complete equipment, be provided with the cooling subassembly on the supporting component, the cooling subassembly plays the cooling effect to the motor, cooling subassembly side is provided with the silence subassembly, the silence subassembly plays the effect that reduces the water delivery pump noise, be provided with the regulation and control subassembly in the silence subassembly, the regulation and control subassembly plays the effect of maintaining silence subassembly long-term running.

The supporting component comprises a water pump shell 101, an inlet pipe 102 and an outlet pipe 103, wherein the water pump shell 101 is located on the outermost side of the whole set of device, the inlet pipe 102 is fixedly installed at one end of the water pump shell 101, the outlet pipe 103 is fixedly installed at one end, away from the outer side wall of the water pump shell 101, of the inlet pipe 102, the inlet pipe 102 and the outlet pipe 103 are respectively fixedly connected with external pipe fittings, the pipe fittings connected with the inlet pipe 102 are connected with a container needing water pumping, and the pipe fittings connected with the outlet pipe 103 are connected with.

The power component includes motor fixing box 201, motor 202, motor drive shaft 203, centrifugal impeller 204, the inside fixed mounting of water pump shell 101 has motor fixing box 201, fixed mounting has motor 202 in motor fixing box 201, motor 202 central authorities are provided with motor drive shaft 203, motor drive shaft 203 is close to inlet tube 102 one end fixed mounting has centrifugal impeller 204, pass through electric wire and external power electric connection with motor 202, motor 202 starts, motor drive shaft 203 drives centrifugal impeller 204 and is rotary motion, centrifugal impeller 204 is close to inlet tube 102 one side and is the cambered surface, make centrifugal impeller 204 can throw away the water around centrifugal impeller 204 to water pump shell 101 lateral wall direction in rotatory process, in order to reach the effect of centrifugal water delivery.

The cooling component comprises a water guide cambered surface pipe 301, a water stop sheet 302, a cambered water circulation plate 303 and a circulation water hole groove 304, the upper end of the motor fixing box 201 is fixedly provided with the water guide cambered surface pipe 301, one end of the water guide cambered surface pipe 301 is communicated with the inner space of the water pump shell 101, one end of the water guide cambered surface pipe 301 close to the water outlet pipe 103 is fixedly provided with the water stop sheet 302, the inner side wall of the water pump shell 101 is provided with the cambered water circulation plate 303 in an attaching manner, the inner side wall of the cambered water circulation plate 303 is provided with a plurality of circulation water hole grooves 304, the cambered water circulation plate 303 is provided with a plurality of circular water hole grooves 304, the circular water hole grooves 304 of two adjacent cambered water circulation plates 303 are communicated in an attaching manner, the circulation water hole groove 304 close to the water guide cambered surface pipe 301 is communicated with the inner side wall of the water pump shell 301, the centrifugal impeller 204 throws water to the inner side wall of the water pump shell 101, a water, along with the continuous conveying of rivers, the inside of circulation water hole groove 304 is filled with, and form the rivers that flow, because water guide cambered surface pipe 301 is close to motor 202, the rivers that constantly renew can play fine cooling effect to motor 202, improve motor 202 continuous operation often, and can reduce the damage that the high temperature that uses for a long time produced to the motor, be favorable to the long-term use and the maintenance of motor and even water delivery pump, and under the effect of check valve in circulation water hole groove 304, can improve the water circulation effect in circulation water hole groove 304, avoid the phenomenon that the inside velocity of water flow of circulation water hole groove 304 that the both ends of circulation water hole groove 304 receive water pressure to cause is low, circulation water hole groove 304 and the outlet pipe 103 that are close to outlet pipe 103 communicate each other, rivers are exported outwards through outlet pipe 103.

The mute component comprises a sound absorption hole 401, a horn guide groove 402 and a sound absorption interconnection groove hole 403, wherein a plurality of sound absorption holes 401 are formed in one side, close to the motor fixing box 201, of the arc-shaped water circulation plate 303, the horn guide groove 402 is formed in one end, far away from the motor fixing box 201, of the sound absorption hole 401, the sound absorption interconnection groove hole 403 is communicated with one end, far away from the sound absorption hole 401, of the horn guide groove 402, the regulation and control component comprises a rubber trigger layer 501, a trigger groove 502, a spring 503, a trigger plate 504, a reset spring rotating shaft 505 and a blocking strip 506, the rubber trigger layer 501 is fixedly installed on one side, close to the motor fixing box 201, of the circulation water hole groove 304, the trigger groove 502 is arranged on one side, far away from the circulation water hole groove 304, the trigger groove 502 is arranged inside the arc-shaped water circulation plate 303, the spring 503 is, one side of the trigger plate 504, which is far from the spring 503, is fixedly connected with the rubber trigger layer 501, one end of the trigger groove 502, which is close to the sound absorption hole 401, is fixedly provided with a return spring rotating shaft 505, a blocking strip 506 is elastically and rotatably arranged on the return spring rotating shaft 505, one side of the blocking strip 506, which is close to the circulating water hole groove 304, is in contact with one side of the trigger plate 504, which is close to the spring 503, water flow can form pressure on the rubber trigger layer 501 in the flowing process of the circulating water hole groove 304, the rubber trigger layer 501 is deformed under pressure and generates a pushing force on the trigger plate 504, so that the trigger plate 504 is pushed towards the spring 503 direction, the spring 503 plays a role in assisting the reset of the trigger plate 504 and the rubber trigger layer 501 by utilizing the elastic force under the condition of no water flow pressure, the trigger plate 504 moves towards the spring 503 direction and forms a pushing force on the blocking strip 506, the blocking strip 506 rotates around, inhale sound hole 401 inside and present no blocking phenomenon, make and inhale sound hole 401 and can realize normal sound effect of inhaling, and under the water delivery pump user state, namely under the inside no water flow pressure state of circulating water hole groove 304, blend stop 506 can not the atress rotation, blend stop 506 tightly with trigger plate 504 under the spring action of reset spring pivot 505, to inhale sound hole 401 passageway jam, realize inhaling sound hole 401 and loudspeaker guide way 402, inhale the dustproof effect under the save condition of sound interconnection slotted hole 403, avoid the silence subassembly to be blockked up by the dust and reduce the silence effect of water delivery pump.

The check valve is fixedly installed in the circulating water hole groove 304, so that the water circulation effect in the circulating water hole groove 304 is improved conveniently, and the phenomenon that the water flow speed in the circulating water hole groove 304 is low due to the fact that the two ends of the circulating water hole groove 304 are subjected to water pressure is avoided.

The return spring shaft 505 can be restored to an initial state by an elastic force after being stressed.

The width of the trigger plate 504 is 5-8 mm smaller than the width of the trigger slot 502, so that the trigger plate 504 can touch the barrier 506, and a pushing trigger effect on the barrier 506 is facilitated.

The sound absorption interconnection slot 403 is a honeycomb-shaped sound absorption interconnection slot 403, and a plurality of sound absorption holes are formed inside the sound absorption interconnection slot 403 and are interconnected, so that the sound absorption effect is enhanced.

The working principle of the invention is as follows:

the water inlet pipe 102 and the water outlet pipe 103 are respectively fixedly connected with an external pipe fitting, the pipe fitting connected with the water inlet pipe 102 is connected with a container needing pumping water, the pipe fitting connected with the water outlet pipe 103 is connected with the container needing water supply, the motor 202 is electrically connected with an external power supply through an electric wire, the motor 202 is started, the motor transmission shaft 203 drives the centrifugal impeller 204 to rotate, one side of the centrifugal impeller 204 close to the water inlet pipe 102 is an arc surface, so that the centrifugal impeller 204 can throw water around the centrifugal impeller 204 towards the side wall of the water pump shell 101 in the rotating process to achieve the centrifugal water delivery effect of the centrifugal pump, the centrifugal impeller 204 throws the water to the inner side wall of the water pump shell 101, a water source is pressed to flow towards the inside of the water guide arc surface pipe 301, then flows towards the inside of the circulating water hole groove 304 mutually communicated with the water guide arc surface pipe 301, and the inside of, and form the flowing water current, because the water guide cambered surface pipe 301 is close to the electrical machinery 202, the water current that is continuously renewed can play a good cooling effect to the electrical machinery 202, improve the continuous runnable frequently of the electrical machinery 202, and can reduce the damage that the high temperature of long-time use produces to the electrical machinery, help the electrical machinery and even long-term use and maintenance of the water delivery pump, and under the function of the check valve in the hole trough 304 of circulating water, can improve the water circulation effect in the hole trough 304 of circulating water, avoid the phenomenon that the water velocity is low in the hole trough 304 of circulating water caused by water pressure at both ends of the hole trough 304 of circulating water, the hole trough 304 of circulating water close to outlet pipe 103 communicates with outlet pipe 103 each other, the water current export; when water flows in the circulating water hole groove 304, pressure is formed on the rubber trigger layer 501, the rubber trigger layer 501 is deformed under pressure and generates a pushing force on the trigger plate 504, the trigger plate 504 is pushed towards the spring 503, the spring 503 plays a role in helping the trigger plate 504 and the rubber trigger layer 501 to reset by utilizing the elastic force under the condition of no water flow pressure, the trigger plate 504 moves towards the spring 503 and generates a pushing force on the blocking strip 506, the blocking strip 506 rotates by taking the reset spring rotating shaft 505 as a shaft, the end, which is not pressed, of the blocking strip 506 rotates to the inside of the trigger groove 502, the inside of the sound absorption hole 401 has no blocking phenomenon, the sound absorption hole 401 can realize normal sound absorption, and when the water pump is not in use, namely, under the condition that no water flow pressure exists in the circulating water hole groove 304, the blocking strip 506 cannot rotate under the stress, the blocking strip 506 is tightly attached to the trigger plate 504 under the elastic force of the reset spring rotating shaft 505, the channel of the sound absorption hole 401 is blocked, so that the dustproof effect of the sound absorption hole 401, the horn guide groove 402 and the sound absorption interconnection groove hole 403 in the storage state is achieved, and the mute effect of the water delivery pump is reduced due to the fact that the mute component is blocked by dust.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hush air type reversal back pressure water delivery pump which characterized in that: the device comprises a supporting component, a power component, a cooling component, a silencing component and a regulating component, wherein the supporting component is positioned on the outermost side of the whole device and plays a role in supporting and protecting other components in the device;

the supporting assembly comprises a water pump shell (101), a water inlet pipe (102) and a water outlet pipe (103), the water pump shell (101) is located on the outermost side of the whole device, the water inlet pipe (102) is fixedly installed at one end of the water pump shell (101), and the water outlet pipe (103) is fixedly installed at one end, far away from the water inlet pipe (102), of the outer side wall of the water pump shell (101);

the power assembly comprises a motor fixing box (201), a motor (202), a motor transmission shaft (203) and a centrifugal impeller (204), the motor fixing box (201) is fixedly installed inside the water pump shell (101), the motor (202) is fixedly installed inside the motor fixing box (201), the motor transmission shaft (203) is arranged in the center of the motor (202), and the centrifugal impeller (204) is fixedly installed at one end, close to the water inlet pipe (102), of the motor transmission shaft (203);

the cooling component comprises a water guide cambered pipe (301), a water stop sheet (302), a cambered water circulation sheet (303) and a circulation water hole groove (304), a water guide cambered surface pipe (301) is fixedly arranged at the upper end of the motor fixing box (201), one end of the water guide cambered surface pipe (301) is communicated with the inner space of the water pump shell (101), one end of the water guide cambered pipe (301) close to the water outlet pipe (103) is fixedly provided with a water stop sheet (302), an arc-shaped water circulation plate (303) is attached to the inner side wall of the water pump shell (101), a plurality of circulating water hole grooves (304) are arranged inside the arc-shaped water circulating plate (303), the arc-shaped water circulation plates (303) are provided with a plurality of circulation water hole grooves (304) of two adjacent arc-shaped water circulation plates (303) which are mutually attached and communicated, and the circulation water hole grooves (304) close to the water guide arc surface pipes (301) are communicated with the inside of the water guide arc surface pipes (301);

the mute component comprises sound absorption holes (401), a horn guide groove (402) and sound absorption interconnected slotted holes (403), wherein a plurality of sound absorption holes (401) are formed in one side, close to the motor fixing box (201), of the arc-shaped water circulation plate (303), the horn guide groove (402) is formed in one end, away from the motor fixing box (201), of the sound absorption holes (401), and the sound absorption interconnected slotted holes (403) are formed in one end, away from the sound absorption holes (401), of the horn guide groove (402);

the regulation and control assembly comprises a rubber trigger layer (501), a trigger groove (502), a spring (503), a trigger plate (504), a reset spring rotating shaft (505) and a blocking strip (506), wherein the rubber trigger layer (501) is fixedly installed on one side, close to the motor fixing box (201), of the circulating water hole groove (304), the trigger groove (502) is arranged on one side, far away from the circulating water hole groove (304), of the rubber trigger layer (501), the trigger groove (502) is arranged inside the arc-shaped water circulating plate (303), the spring (503) is fixedly installed at one end, far away from the rubber trigger layer (501), of the trigger groove (502), the trigger plate (504) is fixedly installed at one end, close to the rubber trigger layer (501), of the spring (503), the trigger plate (504) is fixedly connected with the rubber trigger layer (501), the reset spring rotating shaft (505) is fixedly installed at one end, close to the sound absorption hole (401), of the trigger groove, the return spring rotating shaft (505) is elastically and rotatably provided with a blocking strip (506), and one side of the blocking strip (506) close to the circulating water hole groove (304) is in contact with one side of the trigger plate (504) close to the spring (503).

2. The silent type reverse-rotation back-pressure water delivery pump according to claim 1, characterized in that: fixed mounting has a check valve in circulating water hole groove (304), is convenient for improve circulating water hole groove (304) inner water circulation effect, avoids circulating water hole groove (304) both ends to receive the phenomenon that the inside water velocity of flow of water hole groove (304) that water pressure caused is low.

3. The silent type reverse-rotation back-pressure water delivery pump according to claim 1, characterized in that: the width of the trigger plate (504) is 5-8 mm smaller than that of the trigger groove (502), so that the trigger plate (504) can touch the barrier strip (506), and a pushing trigger effect on the barrier strip (506) is facilitated.

4. The silent type reverse-rotation back-pressure water delivery pump according to claim 1, characterized in that: inhale sound interconnection slotted hole (403) and be honeycomb sound absorption interconnection slotted hole (403), inhale sound interconnection slotted hole (403) inside and seted up a plurality of and inhale the sound hole, inhale sound hole interconnect, be convenient for the reinforcing and inhale the sound effect.