CN114562449B

CN114562449B - Automatic controller for water pump

Info

Publication number: CN114562449B
Application number: CN202210275075.5A
Authority: CN
Inventors: 林曦
Original assignee: Zhejiang Monro Machinery & Electronic Co ltd
Current assignee: Zhejiang Monro Machinery & Electronic Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2024-02-06
Anticipated expiration: 2042-03-21
Also published as: CN114562449A

Abstract

The application relates to an automatic controller of a water pump, which comprises a shell, a diaphragm, a pressure rod assembly and a first sensor corresponding to the pressure rod assembly; the shell is provided with a water inlet and a water outlet, and further comprises a float valve and a second sensor; a control box is connected below the shell and is electrically connected with the first sensor and the second sensor, and the control box is used for connecting a water pump and controlling the start and stop of the water pump; the device also comprises a quick stopping mechanism, wherein the quick stopping mechanism comprises a tooth condition and an abutting piece driving structure; the driving structure comprises a connecting piece and a gear assembly, the connecting piece is arranged on the compression bar assembly, a tooth part is arranged on the connecting piece, and the tooth part and the rack piece are meshed with the gear assembly; after the shell is filled with water, the pressing rod assembly slides, and the gear assembly drives the abutting piece to abut against the float valve to slide towards a position close to the second sensor. The quick stopping mechanism enables the float valve to quickly fall back to the position close to the second sensor, and the water pump is quickly closed, so that the diaphragm is not easy to deform too much to be damaged, and the service life of the automatic controller of the water pump is prolonged.

Description

Automatic controller for water pump

Technical Field

The application relates to the field of water pumps, in particular to an automatic water pump controller.

Background

The automatic start and stop of the water supply system of the water pump is controlled by an automatic controller of the water pump, the water pump is started or closed by opening or closing a water tap, the starting pressure is set by a spring, and magnetic steel and a magnetic control element are electromagnetically induced to provide signals for the controller.

The invention patent application with the application publication number of CN102767509A discloses an improved electronic pressure controller, which comprises a middle body with a water inlet and a water outlet, a pressure membrane component arranged in a content cavity of the middle body, a pressure regulating rod component tightly pressed on the pressure membrane component, a check valve component arranged in the water inlet and a flow float valve component arranged at the water outlet; the magnet arranged in the pressure membrane assembly and the flow float valve assembly is provided with a control circuit board assembly of a magnetic control element reed switch at the corresponding position; the upper part of the middle body is fixedly connected with a pressure regulating head body; the pressure regulating head body wraps the pressure regulating rod assembly; the manual pressure regulating cap is rotatably arranged above the pressure regulating head body and at the same time arranged at the top of the pressure regulating rod assembly; and a controller containing a control circuit board assembly is connected below the middle body.

In view of the above related art, the inventor considers that when the faucet is closed, the flow at the water outlet stops, the flow float valve assembly returns to close the water pump by self gravity, but the return of the flow float valve assembly requires a certain time, and in this time, the water pump is still opened, so that the water is continuously filled in the pressure membrane assembly, and the water pressure at the pressure membrane assembly is easily excessive to damage, so that the service life of the electronic pressure controller is reduced.

Disclosure of Invention

In order to prolong the service life of the electronic pressure controller, the application provides an automatic controller of the water pump.

The application provides a water pump automatic control ware adopts following technical scheme:

an automatic controller of a water pump comprises a shell, a diaphragm, a pressure rod assembly and a first sensor corresponding to the pressure rod assembly; the shell is provided with a water inlet and a water outlet, and further comprises a float valve positioned in the water outlet and a second sensor corresponding to the float valve; a control box is connected below the shell, is electrically connected with the first sensor and the second sensor, and is used for connecting a water pump and controlling the start and stop of the water pump; the quick stopping mechanism comprises a tooth condition, an abutting piece arranged at the end part of the rack piece and a driving structure for driving the tooth condition to slide along the direction parallel to the axis of the water outlet;

the float valve is provided with a limit groove, the abutting part is arranged in the limit groove in a sliding mode, the sliding direction of the abutting part is the same as that of the float valve, the driving structure comprises a connecting part and a gear assembly which is rotatably arranged in the shell, the connecting part is arranged on the compression bar assembly, the connecting part is provided with a tooth part, and the tooth part and the rack part are meshed with the gear assembly;

after the shell is filled with water, the pressing rod assembly slides, and the gear assembly drives the abutting piece to abut against the float valve to slide towards a position close to the second sensor.

Through adopting above-mentioned technical scheme, when the automatic water pump controller was used, the automatic water pump controller was established ties on the pipeline that is connected with the water pump, and the water inlet of automatic water pump controller was down this moment, and the delivery port is up, and the water pump is connected in one side of water inlet, and delivery port one side is used for connecting tap. When water is introduced into the pipeline, the water pressure makes the pressure bar component slide in the shell in a direction away from the first sensor, and the water flow impacts the float valve to make the float valve away from the second sensor, at the moment, the control box controls the water pump to be kept on, and because the abutting piece is positioned in the limiting groove, the abutting piece limits the float valve to prevent the float valve from being separated from the water outlet;

when the water tap is closed, the water pump still works, so that the water pressure in the shell is increased, and the pressure lever assembly further slides in a direction away from the first sensor; the gear assembly is driven by the tooth part to operate, so that the rack part is driven to slide, the abutting part slides towards the direction close to the water filling cavity after the rack part slides, the abutting part abuts against the float valve to rapidly slide towards the direction close to the second sensor, and when the float valve is close to the second sensor, the controller controls the water pump to be closed;

when the water source connected with the water inlet is fast and water is not enough to support the membrane, the pressure bar component is still close to the first sensor, and the control box controls the water pump to be turned off.

In order to provide a float valve with a good sensitivity, the float valve is usually of a lighter mass. The abutting piece drives the float valve rapid groove to slide in the direction close to the second sensor, so that the float valve rapidly returns, the motor is rapidly closed, and the pressure bar assembly is prevented from being pushed too much by large water pressure, so that the service life of the diaphragm is prolonged.

Optionally, a sliding groove for the abutting piece to slide is formed in the inner wall of the water outlet.

By adopting the technical scheme, the abutting piece slides in the chute, so that the sliding stability of the abutting piece is improved.

Optionally, the gear assembly includes a coaxially fixed large gear and a small gear, the outer diameter of the large gear is larger than that of the small gear, the large gear and the small gear are rotatably connected in the housing, the large gear is meshed with the rack member, and the tooth portion is used for being meshed with the small gear.

Through adopting above-mentioned technical scheme, through setting up gear wheel and pinion for when the connecting piece drove the pinion slip a little distance, the gear wheel can slide great distance, thereby makes rack spare slip great distance, can further accelerate the whereabouts of float valve, thereby the shut down of acceleration water pump.

Optionally, a through hole for sliding the rack member is formed in the inner wall of the water outlet, and the through hole is communicated with the chute.

Through adopting above-mentioned technical scheme, through setting up the opening, the opening has certain guide effect to the rack spare for the slip of tooth condition is more stable.

Optionally, a sealing ring is circumferentially arranged on the inner wall of the through hole.

Through adopting above-mentioned technical scheme, through setting up the sealing ring for the through-hole department is difficult for leaking, thereby makes water difficult from the through-hole department submergence delivery port, prevents that the rivers reposition of redundant personnel from showing, makes rivers keep better impact force to the float valve.

Optionally, the pressure bar assembly includes a control rod and a spring, the diaphragm is disposed at an end of the control rod, the spring is located at a side of the control rod away from the diaphragm, the diaphragm divides the housing into a water-filling cavity and a mounting cavity, the control rod is located in the water-filling cavity, and the spring is located in the mounting cavity; the spring drives the control rod to be close to the second magnetic sensor; the connecting piece is a control rod, and the tooth part is arranged on the control rod.

By adopting the technical scheme, the connecting piece is the control rod, so that the production materials of the automatic controller of the water pump can be reduced, and the space in the shell is saved; the control rod is located the middle part position of diaphragm, and the diaphragm middle part is sensitive to the water pressure response for the control rod can be better response water pressure, and when the water pressure increases in the casing, the control rod removes the range greatly, makes the float valve return near the second inductor more soon.

Optionally, be provided with the pressure regulating mouth on the installation cavity, be provided with pressure regulating device on the pressure regulating mouth, pressure regulating device includes pressure regulating cap, pressure regulating post and pressure regulating piece, the pressure regulating cap rotates to be connected in the pressure regulating mouth outside, the pressure regulating post slides and sets up in the pressure regulating mouth, the tip that the installation cavity was kept away from to the pressure regulating post is provided with the screw thread, screw thread and pressure regulating cap's inner wall threaded connection, the pressure regulating piece butt spring is kept away from the tip of diaphragm, the pressure regulating post is kept away from the tip butt pressure regulating piece of pressure regulating cap and is kept away from one side of spring.

Through adopting above-mentioned technical scheme, through setting up pressure regulating device, adjust the position of pressure regulating post and pressure regulating piece through twisting the pressure regulating cap to the tight position of support of adjusting spring and diaphragm, the deformation degree of spacing diaphragm makes the diaphragm be difficult for too much deformation, improves the life of diaphragm.

Optionally, the spring is through setting up clamp plate butt diaphragm, the clamp plate is provided with the projection towards spring one side, the spring housing is established on the projection, projection and control lever coaxial setting.

Through adopting above-mentioned technical scheme, through setting up the projection, and projection and control lever coaxial setting for the spring is comparatively accurate to the elasticity direction of control lever, thereby conveniently promotes the control lever and keep away from or be close to first inductor.

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

By adopting the technical scheme, when the water pump automatic controller is connected with the water pump without the check valve due to the arrangement of the check valve, the water pump automatic controller can be normally used, and the check valve ensures that water in the shell is not easy to leave the inner cavity of the shell from the water inlet; when the water tap is closed, the inner cavity of the shell keeps higher water pressure, and after the water tap is opened, the water pressure impacts the float valve to be away from the second sensor, so that the water pump is started, and the water tap can continuously discharge water.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the quick stopping mechanism, the float valve can quickly fall back to the position close to the second sensor, and the water pump is quickly closed, so that the diaphragm is not easy to be damaged due to excessive deformation, and the service life of the automatic controller of the water pump is prolonged;

2. by arranging the large gear and the small gear, the falling-back of the float valve can be further accelerated, so that the shutdown of the water pump is accelerated;

3. through setting up tooth portion on the control rod for the deformation of response diaphragm that quick stop mechanism can be better makes the float valve return near the second inductor sooner.

Drawings

Fig. 1 is an overall schematic diagram of an automatic water pump controller according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment.

Fig. 3 is a schematic view of the structure inside the housing of the embodiment, mainly highlighting the structure of the quick stop mechanism.

Fig. 4 is an enlarged view at a of fig. 3.

Fig. 5 is a state display diagram of the automatic water pump controller when the faucet is turned off.

Reference numerals illustrate: 1. a housing; 11. a mounting cavity; 12. a water-filling cavity; 13. a water inlet; 131. a check valve; 14. a water outlet; 141. a limiting plate; 142. a water hole; 143. a chute; 144. a through port; 1441. a seal ring; 15. a pressure regulating port; 2. a membrane; 3. a compression bar assembly; 31. a spring; 32. a control lever; 321. a first magnet; 322. a gear groove; 323. a tooth portion; 33. a pressing plate; 331. a convex column; 4. a first inductor; 41. a first magnetic sensor; 5. a pressure regulating device; 51. a pressure regulating cap; 52. a pressure regulating column; 53. a pressure regulating block; 6. a float valve; 61. a second magnet; 62. a limit groove; 7. a second inductor; 71. a second magnetic sensor; 8. a control box; 9. a quick stopping mechanism; 91. tooth conditions; 911. a rack body; 912. a slide bar; 92. an abutment; 921. a butt joint rod; 93. a driving structure; 931. a connecting piece; 932. a gear assembly; 9321. a large gear; 9322. a pinion gear.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses an automatic controller of a water pump. Referring to fig. 1 and 2, the automatic water pump controller includes a housing 1, a diaphragm 2, a plunger assembly 3, and a first sensor 4 corresponding to the plunger assembly 3. The diaphragm 2 is fixed in the inner body in a sealing way along the peripheral outer wall, and the diaphragm 2 divides the shell 1 into a mounting cavity 11 and a water filling cavity 12. The water inlet 13 and the water outlet 14 are arranged on two sides of the water charging cavity 12, and the water inlet 13 and the water outlet 14 are coaxially arranged. The diaphragm 2 is made of rubber, has certain deformation capacity, and after the water filling cavity 12 is filled with water, the diaphragm 2 is concavely deformed towards the direction of the installation cavity 11.

Referring to fig. 2, the pressure lever assembly 3 includes a spring 31 and a lever 32, an end of the lever 32 is fixed to the diaphragm 2 toward the center of the water charging chamber 12, and a length direction of the lever 32 is perpendicular to a sidewall of the diaphragm 2 toward the water charging chamber 12. When the diaphragm 2 deforms, the control rod 32 slides in the water-filled chamber 12.

Referring to fig. 2, a first magnet 321 is fixed to the end of the control rod 32 remote from the diaphragm 2, and the first inductor 4 is a first magnetic inductor 41, and the first magnetic inductor 41 is mounted on the inner wall of the water filling chamber 12 facing the first magnet 321. When the diaphragm 2 is not deformed, the first magnet 321 is attached to the first magnetic sensor 41, and after the diaphragm 2 is deformed, the first magnet 321 is far away from the first magnetic sensor 41.

Referring to fig. 2, a spring 31 is mounted in the mounting chamber 11, a pressing plate 33 is abutted against an end of the spring 31 facing the diaphragm 2, a boss 331 is fixed to a side of the pressing plate 33 facing the spring 31, an end of the spring 31 close to the diaphragm 2 is sleeved on the boss 331, and a side of the pressing plate 33 away from the spring 31 abuts against the diaphragm 2. The pressing plate 33 increases the contact area and the stress point of the diaphragm 2, so that the diaphragm 2 is not easily damaged due to overlarge local stress.

Referring to fig. 2, a pressure regulating port 15 is formed in the inner wall of the mounting cavity 11 in a penetrating manner, and the pressure regulating port 15 is opposite to the end of the spring 31 away from the diaphragm 2. The pressure regulating mouth 15 department is provided with pressure regulating device 5, pressure regulating device 5 includes pressure regulating cap 51, pressure regulating post 52 and pressure regulating piece 53, pressure regulating cap 51 rotates to be connected at pressure regulating mouth 15 outer end, pressure regulating post 52 sliding connection is in the installation mouth, pressure regulating post 52 is provided with the screw thread away from the tip of installation cavity 11, screw thread and pressure regulating cap 51 threaded connection, pressure regulating piece 53 one side butt pressure regulating post 52 is kept away from the tip of pressure regulating cap 51, pressure regulating piece 53 opposite side butt spring 31.

Referring to fig. 2, the automatic water pump controller further includes a float valve 6 located in the water outlet 14 and a second sensor 7 corresponding to the float valve 6. The float valve 6 is slidably disposed in the water outlet 14, and a second magnet 61 is fixed to an end of the float valve 6 facing the inner wall of the water outlet 14. The second inductor 7 is a second magnetic inductor 71, and the second magnetic inductor 71 is fixed on the side wall of the water outlet 14 opposite to the second magnet 61. The end of the water outlet 14, which is close to the water filling cavity 12, is fixed with a limiting plate 141, and the limiting plate 141 is provided with a water hole 142 for water to pass through. The limiting plate 141 limits the float valve 6 in the water outlet 14, preventing the float valve 6 from entering the water filling cavity 12.

Referring to fig. 2, when the sliding direction of the float valve 6 is along the axial direction of the water outlet 14 and the float valve 6 approaches the limiting plate 141, the second magnet 61 is attached to the second sensor, and when water enters the water outlet 14 from the water hole 142, the water impacts the float valve 6, so that the float valve 6 is far from the second magnetic sensor 71.

Referring to fig. 2, a check valve 131 is installed in the water inlet 13.

Referring to fig. 2, a control box 8 is fixed to an outer wall of the housing 1 remote from the mounting opening, and a circuit board is disposed in the control cavity and electrically connected to the first magnetic sensor 41 and the second magnetic sensor 71. The circuit board is also electrically connected with the water pump, and the control box 8 is used for controlling the start and stop of the water pump after receiving the electric signals of the first magnetic sensor 41 and the second magnetic sensor 71.

Referring to fig. 2, a chute 143 is formed on the inner wall of the water outlet 14 near the diaphragm 2, and a through hole 144 communicated with the water filling cavity 12 is formed on the wall of the chute 143 near the control rod 32.

Referring to fig. 2 and 3, the automatic water pump controller further includes a quick stop mechanism 9 for controlling the float valve 6 to quickly approach the second magnetic sensor 71.

Referring to fig. 2 and 4, the quick-stop mechanism 9 includes a tooth condition 91, an abutment 92, and a drive structure 93. The tooth member 91 is slidably disposed in the through-hole 144, and the tooth member 91 includes a rack body 911 and a slide lever 912 fixed to the rack body 911, the slide lever 912 being slidably disposed in the through-hole 144. The rack body 911 is located in the water-filled chamber 12.

Referring to fig. 2 and 4, the abutment member 92 is an abutment rod 921, the float valve 6 is provided with a limit groove 62, the limit groove 62 is provided for the abutment rod 921 to slide, and an end of the abutment rod 921 away from the slide rod 912 extends from the slide groove 143 into the water outlet 14 and is located in the limit groove 62, and the abutment rod 921 slides in the limit groove 62 along the axial direction of the water outlet 14. The abutment rod 921 is used for limiting the float valve 6, so that the float valve 6 is not easy to separate from the water outlet 14.

Referring to fig. 2, a sealing ring 1441 is fixed in the through hole 144, and the sealing ring 1441 is in sliding contact with the outer wall of the sliding rod 912, so that water in the water filling cavity 12 is not easy to enter the water outlet 14 from the through hole 144.

Referring to fig. 2 and 4, the driving structure 93 includes a coupling 931 and a gear assembly 932 rotatably provided at an inner wall of the housing 1. The gear assembly 932 includes a large gear 9321 and a small gear 9322, the large gear 9321 having an outer diameter larger than that of the small gear 9322, the large gear 9321 and the small gear 9322 being coaxially fixed, the large gear 9321 and the small gear 9322 being rotatably coupled to an inner wall of the housing 1. The connecting piece 931 is a control rod 32, a gear groove 322 is formed in the side wall, close to the water outlet 14, of the control rod 32, a pinion 9322 is located in the gear groove 322, a tooth 323 is formed in one side, far away from the membrane 2, of the groove bottom of the gear groove 322, and the tooth 323 is used for being meshed with the pinion 9322. The axis of the pinion 9322 is perpendicular to the sliding direction of the lever 32. The large gear 9321 is engaged with the rack body 911.

The implementation principle of the automatic controller of the water pump is as follows: when the automatic water pump controller is used, the water outlet 14 of the automatic water pump controller is connected with a faucet, one side of the water inlet 13 is connected with a water pump, and the water pump is connected with a water source. When the automatic water pump controller is installed, the water outlet 14 faces upwards, and the water inlet 13 faces upwards.

Referring to fig. 2 and 4, when both the water pump and the faucet are turned on, water is driven by the water pump to enter the water-filling chamber 12 from the water inlet 13, the water pressure in the water-filling chamber 12 increases, so that the diaphragm 2 is recessed toward the direction of the installation chamber 11, the control rod 32 is kept away from the first magnetic sensor 41, and the water in the water-filling chamber 12 enters the water outlet 14 through the water hole 142, the water flow flushes the float valve 6 to keep the float valve 6 away from the second magnetic sensor 71, the float valve 6 is limited in the water outlet 14 by the abutting rod 921 located in the limiting groove 62, the pinion 9322 is located on one side of the gear groove 322 close to the diaphragm 2, and the pinion 9322 is separated from the tooth 323.

Referring to fig. 4 and 5, after the faucet is turned off, since the water pump still continues to deliver water into the water filling cavity 12, the diaphragm 2 is further deformed, the control rod 32 slides to enable the pinion 9322 to mesh with the tooth 323, the pinion 9322 rotates to drive the large gear 9321 to rotate, and the large gear 9321 drives the tooth condition 91 to slide in the through hole 144, so that the abutting rod 921 slides towards the direction close to the limiting plate 141, and the float valve 6 is rapidly abutted against the limiting plate 141, so that the float valve 6 is rapidly attached to the second magnetic sensor 71, the second magnetic sensor 71 senses the second magnet 61 on the float valve 6, and the control box 8 turns off the water pump.

When the water source is low or used up, the water pump conveys little or no water into the water filling cavity 12, so that the diaphragm 2 is not easy to sink towards the direction of the installation cavity 11, the first magnet 321 on the control rod 32 is still positioned close to the first magnetic inductor 41, and the control box 8 controls the water pump to be turned off at the moment, and dry pumping of the water pump is prevented when the water pump is anhydrous again.

In sum, through setting up quick stop mechanism 9, compare with float valve 6 through self gravity fall back to being close to second magnetic sensor department, quick stop mechanism 9 can be quicker make float valve 6 be close to second magnetic inductor 71, make the water pump stop fast, reduce the water pumping volume of water pump after the tap closes, make diaphragm 2 be difficult for excessively deforming, reduce the damage rate of diaphragm 2 to the life of extension water pump automatic control ware.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An automatic controller of a water pump comprises a shell (1), a membrane (2), a compression bar assembly (3) and a first sensor (4) corresponding to the compression bar assembly (3); the membrane (2) separates the shell (1) to form a mounting cavity (11) and a water filling cavity (12); the shell (1) is provided with a water inlet (13) and a water outlet (14), and further comprises a float valve (6) positioned in the water outlet (14) and a second inductor (7) corresponding to the float valve (6), wherein the second inductor (7) is a second magnetic inductor (71); a control box (8) is connected below the shell (1), the control box (8) is electrically connected with the first inductor (4) and the second inductor (7), and the control box (8) is used for connecting a water pump and controlling the start and stop of the water pump; the method is characterized in that: the quick-stopping mechanism (9) comprises a tooth condition (91), an abutting piece (92) arranged at the end part of the rack piece (91) and a driving structure (93) for driving the tooth condition (91) to slide along the direction parallel to the axis of the water outlet (14), wherein the abutting piece (92) is an abutting rod (921);

a chute (143) for sliding the abutting piece (92) is arranged on the inner wall of the water outlet (14);

a through hole (144) for the rack member (91) to slide is formed in the inner wall of the water outlet (14), and the through hole (144) is communicated with the chute (143);

a limiting plate (141) is fixed at the end part of the water outlet (14) close to the water filling cavity (12);

the float valve (6) is provided with a limit groove (62), the abutting piece (92) is arranged in the limit groove (62) in a sliding mode, the sliding direction of the abutting piece (92) is the same as that of the float valve (6), the driving structure (93) comprises a connecting piece (931) and a gear assembly (932) rotatably arranged in the shell (1), the connecting piece (931) is arranged on the pressure rod assembly (3), the connecting piece (931) is provided with a tooth part (323), and the tooth part (323) and the rack part (91) are meshed with the gear assembly (932);

after the shell (1) is filled with water, the pressing rod assembly (3) slides, and then the gear assembly (932) drives the abutting piece (92) to abut against the float valve (6) to slide towards a position close to the second sensor (7);

the gear assembly (932) comprises a large gear (9321) and a small gear (9322) which are coaxially fixed, the outer diameter of the large gear (9321) is larger than that of the small gear (9322), the large gear (9321) and the small gear (9322) are rotationally connected in the shell (1), the large gear (9321) is meshed with the rack member (91), and the tooth part (323) is used for being meshed with the small gear (9322);

the pressure bar assembly (3) comprises a control rod (32) and a spring (31), the diaphragm (2) is arranged at the end part of the control rod (32), the spring (31) is positioned at one side of the control rod (32) away from the diaphragm (2), the diaphragm (2) divides the shell (1) into a water charging cavity (12) and a mounting cavity (11), the control rod (32) is positioned in the water charging cavity (12), and the spring (31) is positioned in the mounting cavity (11); the spring (31) drives the control rod (32) to be close to the second magnetic sensor (71); the connecting piece (931) is a control rod (32), and the tooth part (323) is arranged on the control rod (32);

when the faucet is closed, the water pump still can continue to convey water into the water filling cavity (12), the diaphragm (2) is further deformed, the control rod (32) slides to enable the pinion (9322) to be meshed with the tooth part (323), the pinion (9322) rotates to drive the large gear (9321) to rotate, the large gear (9321) drives the tooth condition (91) to slide in the through hole (144), the abutting rod (921) slides towards the direction close to the limiting plate (141), the float valve (6) is rapidly abutted to the position of the second magnetic inductor (71), the second magnetic inductor (71) senses the second magnet (61) on the float valve (6), and the control box (8) closes the water pump.

2. An automatic water pump controller according to claim 1, wherein: a sealing ring (1441) is circumferentially arranged on the inner wall of the through hole (144).

3. An automatic water pump controller according to claim 1, wherein: be provided with pressure regulating mouth (15) on installation cavity (11), be provided with pressure regulating device (5) on pressure regulating mouth (15), pressure regulating device (5) are including pressure regulating cap (51), pressure regulating post (52) and pressure regulating piece (53), pressure regulating cap (51) rotate and connect in pressure regulating mouth (15) outside, pressure regulating post (52) slip sets up in pressure regulating mouth (15), the tip that installation cavity (11) was kept away from to pressure regulating post (52) is provided with the screw thread, screw thread and the inner wall threaded connection of pressure regulating cap (51), pressure regulating piece (53) butt spring (31) are kept away from the tip of diaphragm (2), pressure regulating post (52) are kept away from the tip butt pressure regulating piece (53) of pressure regulating cap (51) and are kept away from one side of spring (31).

4. An automatic water pump controller according to claim 1, wherein: the spring (31) is abutted to the diaphragm (2) through the arrangement of the pressing plate (33), a convex column (331) is arranged on one side, facing the spring (31), of the pressing plate (33), the spring (31) is sleeved on the convex column (331), and the convex column (331) and the control rod (32) are coaxially arranged.

5. An automatic water pump controller according to claim 1, characterized in that: a check valve (131) is arranged at the water inlet (13).