Fluoroplastic magnetic pump with anticorrosion function

Abstract

The application discloses a fluoroplastic magnetic force pump with corrosion resistance, and relates to the technical field of fluoroplastic magnetic force pumps.The magnetic force pump comprises a pump body, a backflush mechanism and a temperature detection mechanism, the pump body is connected with the backflush mechanism, and the pump body is connected with the temperature detection mechanism.The pump body comprises a base and a first driving motor, the fixed end of the first driving motor is tightly connected with the base, and the output end of the first driving motor is tightly connected with a shaft coupling.The pump body further comprises a main device, the main device is connected with the base, and the main device is tightly connected with the first driving motor through the shaft coupling.The main device comprises a pump shell, an impeller, a pump cover, an inner magnetic rotor, a pump shaft and an isolation sleeve.The pump shell is tightly connected with the pump cover, the pump shaft is rotationally connected with the pump cover, the impeller is tightly connected with the pump shaft, and the inner magnetic rotor is tightly connected with the pump shaft.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fluoroplastic magnetic force pumps, in particular to a fluoroplastic magnetic force pump with corrosion resistance. BACKGROUND

[0002] The magnetic force pump is used for conveying liquid, and the working principle is that the liquid is conveyed through magnetic field attraction and stone discharge; the fluoroplastic magnetic force pump is made of metal inlaying and fluoroplastic outer packaging, and has good corrosion resistance when conveying corrosive solution.

[0003] When the conventional magnetic force pump conveys solution, solution is left below the pump body during the conveying process and after the conveying is completed, and the solution needs to be cleaned in time to prevent damage to the magnetic force pump caused by long-time residue, and the driving motor is mostly provided with a heat dissipation mechanism during the working process of the magnetic force pump, and the isolation sleeve in the magnetic force pump also generates heat during the transmission of magnetic torque and friction, and if the isolation sleeve is not operated for a long time, deformation of the isolation sleeve may occur, affecting the working of the magnetic force pump. SUMMARY

[0004] The application aims to provide a fluoroplastic magnetic force pump with corrosion resistance to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme.

[0006] The magnetic force pump comprises a pump body, a backflush mechanism and a temperature detection mechanism, the pump body and the backflush mechanism are connected, the pump body and the temperature detection mechanism are connected, the pump body comprises a base and a first driving motor, the first driving motor fixed end is tightly connected with the base, and the first driving motor output end is tightly connected with a shaft coupling.

[0007] In the fluoroplastic magnetic force pump, the magnetic force pump is used for conveying liquid, and the liquid is conveyed through magnetic field attraction and stone discharge, the fluoroplastic contained therein can well resist corrosion, and the fluoroplastic will not be damaged due to conveying corrosive solution, the backflush mechanism is arranged in the interior of the pump body, and the solution at the lower part may be left in the corner of the pump body during the solution conveying process, the backflush mechanism makes the solution flow in the opposite direction during the conveying process, so that the solution can better follow the overall trend of the solution and flow out of the outlet, the temperature detection mechanism detects the easily heated parts in the pump body, and the motor and the input solution amount are adjusted in real time through detection, so that the temperature will not be too high.

[0008] The pump body further comprises a main body device connected with the base, the main body device and the first driving motor are fixedly connected through a shaft coupling, the main body device comprises a pump shell, an impeller, a pump cover, an inner magnetic rotor, a pump shaft and an isolation sleeve, the pump shell and the pump cover are fixedly connected, the pump shaft is rotatably connected with the pump cover, the impeller is fixedly connected with the pump shaft, the inner magnetic rotor is fixedly connected with the pump shaft, the outer sleeve of the inner magnetic rotor is provided with the isolation sleeve, the isolation sleeve is fixedly connected with the pump cover, the pump shell is fixedly connected with the base, the pump shell is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is fixedly connected with the base through a support frame, the pump shell is provided with a pump cavity, the main body device is connected with the backflushing mechanism, the pump shell is connected with the backflushing mechanism, the main body device is connected with the temperature detecting mechanism, the main body device further comprises an outer magnetic rotor, a main shaft and a connecting body, the outer magnetic rotor is rotatably connected with the main shaft, the main shaft is fixedly connected with the isolation sleeve through the connecting body, the main body device is fixedly connected with the shaft coupling, one end of the main shaft away from the pump shaft is fixedly connected with the shaft coupling, the pump body further comprises a protective cover, the protective cover is in an arc shape, the bottom of the protective cover is fixedly connected with the base, the protective cover is sleeved outside the first driving motor output end, the shaft coupling and the main shaft.

[0009] In the pump body, all mechanisms are arranged on the base, the first driving motor is started, the outer magnetic rotor starts to rotate, a rotating magnetic field is generated, and the rotating magnetic field interacts with the inner magnetic rotor to generate a magnetic coupling driving force. Due to the interaction of the magnetic force, the magnetic coupling is formed between the outer magnetic rotor and the inner magnetic rotor, and the inner magnetic rotor and the impeller are connected with the pump shaft, so that the impeller can be driven to rotate through the magnetic field, and the solution is transported from the water inlet to the water outlet through the centrifugal force, so as to complete the solution transportation.

[0010] The backflushing mechanism comprises a driving device connected with the pump shell, the driving device is arranged in the pump cavity, the driving device comprises a driving chamber, a servo motor and a driving disc, the driving chamber is arranged in the pump cavity, the driving chamber is provided with a driving cavity, the servo motor is connected with the driving chamber, the servo motor is arranged in the driving cavity, the fixed end of the servo motor is fixedly connected with the wall surface of the driving cavity, the driving disc is provided with a first through hole and a second through hole, the first through hole is arranged in the middle of the driving disc, the second through hole is arranged on one side of the first through hole, the distance from the first through hole to the second through hole is less than the radius of the driving disc, the driving disc is connected with the driving chamber, the driving disc is arranged in the driving cavity, the driving disc is connected with the servo motor, the output end of the servo motor is fixedly connected with the first through hole, the backflushing mechanism further comprises a backflushing device, the backflushing device comprises a backflushing chamber, a backflushing baffle and a connecting rod, the backflushing device is connected with the driving device, the backflushing device is connected with the driving chamber, the backflushing device is arranged in the driving cavity, the connecting rod is connected with the driving disc, one end of the connecting rod is rotatably connected with the second through hole, the backflushing chamber is fixedly connected with the wall surface of the driving cavity, the backflushing chamber is provided with the backflushing baffle, the top of the backflushing chamber is provided with a circular opening, the connecting rod is slidably connected with the circular opening of the backflushing chamber, one end of the connecting rod away from the second through hole is fixedly connected with the backflushing baffle, the end of the backflushing chamber away from the connecting rod is provided with an opening, and the opening of the backflushing chamber faces the solution inflow direction.

[0011] In the backflush mechanism, the backflush mechanism gives the solution at the bottom of the pump shell a force opposite to the flow direction of the solution, so that the solution at the bottom has a reverse force, which can better flow out of the pump body together with most of the solution under the action of the magnetic pump, reduce the residual solution in the pump body, reduce the damage of the corrosive solution to the pump body, by setting the driving device, the driving device drives the backflushing of the solution, the servo motor is arranged in the driving cavity, the output end and the driving disc are fastened and connected, after the servo motor is started, the driving disc can rotate with the driving disc, the driving disc has a second through hole, the driving disc is rotationally connected with the connecting rod through the second through hole, and the straight line where the output end of the servo motor is located is perpendicular to the straight line where the connecting rod is located, one end of the connecting rod is fastened and connected with the backflush baffle, and the backflush baffle is slidably connected with the inner wall of the backflush chamber, so that when the servo motor drives the driving disc to rotate, the driving disc will move together with the connecting rod, and the connecting rod is fastened and connected with the backflush baffle, so that the backflush baffle will slide back and forth along the wall surface in the backflush chamber, when the backflush baffle slides backward, the solution will enter the opening end, and when the backflush baffle slides forward, the solution will be pushed out. Through such backflushing, the solution can flow out better, and the residual in the pump body can be reduced.

[0012] The temperature detection mechanism comprises a detection device, the detection device is connected with the main body device, the detection device is connected with the isolation sleeve, the detection device comprises a thermocouple and a ceramic ring, the isolation sleeve is provided with an annular groove, the ceramic ring is fastened and connected with the annular groove of the isolation sleeve, and the thermocouple is fastened and connected with the ceramic ring. The temperature detection mechanism further comprises a feedback device, the feedback device is fastened and connected with the base, the feedback device is connected with the pump shell, and the feedback device is connected with the water inlet pipe. The feedback device comprises a second driving motor, a driving ring, an arc-shaped baffle, a rotating rod and a baffle plate. The baffle plate is fastened and connected with the water inlet pipe, the driving ring is rotationally connected with the water inlet pipe, the baffle plate is provided with a plurality of fixed blocks, the outer ring of the driving ring is provided with a gear, the water inlet pipe is provided with a gear groove, the gear of the driving ring passes through the gear groove of the water inlet pipe, the output end of the second driving motor is engaged with the gear of the driving ring, the fixed end of the second driving motor is fastened and connected with the base, the driving ring is provided with a plurality of rotating grooves, the number of the rotating rod, the arc-shaped baffle, the fixed block and the rotating groove is consistent, the fixed block of the baffle plate is slidably connected with the rotating groove of the driving ring, one end of the rotating rod is rotationally connected with the driving ring, the other end of the rotating rod is rotationally connected with the arc-shaped baffle, and the arc-shaped baffle is rotationally connected with the baffle plate through a rotating shaft.

[0013] In the temperature detection mechanism, the mechanism is used for detecting the surface temperature of the isolation sleeve, during the operation of the magnetic force pump, the isolation sleeve is a key component in the magnetic force pump, located between the inner magnetic rotor and the outer magnetic rotor, and plays a role of transmitting magnetic torque, during the transmission of the magnetic torque, the isolation sleeve will generate a certain heat, and will also bear the pressure and temperature of the medium, and the friction between the isolation sleeve and the inner magnetic rotor, the outer magnetic rotor and some other components will also generate heat, causing the temperature of the isolation sleeve to rise, which may cause the deformation of the isolation sleeve material and other conditions over a long period of time, which will affect the use of the magnetic force pump, by setting the detection device, a part of the isolation sleeve is wound by the ceramic ring, preventing the thermocouple from affecting the transmission of the magnetic torque during work, and the ceramic ring has good heat conduction performance, which can well transmit the temperature of the isolation sleeve, if the detected temperature is higher, the first driving motor reduces the driving, the torque transmission is reduced, the second driving motor is started, the driving ring rotates, and the arc-shaped baffle is gathered to the middle of the driving ring, the flow into the pump body is reduced by reducing the aperture of the water inlet pipe, so that the isolation sleeve can be naturally cooled.

[0014] Compared with the prior art, the beneficial effects of the present application are: after starting, the magnetic force pump is used for conveying fluid, the magnetic force pump is made of fluoroplastic material, which has good corrosion resistance, and can support the conveying of corrosive solution, in the present application, a backflushing mechanism is arranged in the pump shell, after the solution enters the pump body, the servo motor is started to drive the driving disc to rotate, and the connecting rod and the backflushing baffle are tightly connected, so that the backflushing baffle will slide back and forth along the wall surface in the inner wall of the backflushing chamber, when the backflushing baffle slides backward from the opening end of the backflushing chamber, the solution will enter the opening end, and when the backflushing baffle slides forward, the solution is pushed out, through such backflushing, the solution can flow out better, reducing the residue in the pump body, and through the arrangement of the temperature detection mechanism, the surface temperature of the isolation sleeve is detected, the ceramic ring is wound on the isolation sleeve, preventing the thermocouple from affecting the transmission of the magnetic torque during work, and the ceramic ring has good heat conduction performance, which can well transmit the temperature of the isolation sleeve, if the detected temperature is higher, the first driving motor reduces the driving, the torque transmission is reduced, the second driving motor is started, the driving ring rotates, and the arc-shaped baffle is gathered to the middle of the driving ring, the flow into the pump body is reduced by reducing the aperture of the water inlet pipe, so that the isolation sleeve can be naturally cooled, ensuring that the magnetic force pump can operate for a long time, prolonging its service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the present application;

[0016] Figure 2 It is a side view of the present application;

[0017] Figure 3 It is a transverse sectional view of the present application;

[0018] Figure 4 For Figure 3 Local A enlarged view;

[0019] Figure 5 For the recoil mechanism of the present application is a schematic diagram;

[0020] Figure 6 For the recoil mechanism of the present application is a sectional view;

[0021] Figure 7 For the drive device is not started schematic diagram;

[0022] Figure 8 For the drive device is started schematic diagram.

[0023] In the figure: 1, pump body; 11, base; 12, first drive motor; 13, coupling; 14, main device; 141, pump shell; 1411, water inlet pipe; 1412, water outlet pipe; 1413, pump cavity; 142, impeller; 143, pump cover; 144, inner magnetic rotor; 145, pump shaft; 146, isolation sleeve; 147, outer magnetic rotor; 148, main shaft; 15, protective cover; 2, recoil mechanism; 21, drive device; 211, drive chamber; 2111, drive cavity; 212, servo motor; 213, drive disc; 2131, first through hole; 2132, second through hole; 22, recoil device; 221, recoil chamber; 222, recoil baffle; 223, connecting rod; 3, temperature detection mechanism; 31, detection device; 311, thermocouple; 312, ceramic ring; 32, feedback device; 321, second drive motor; 322, drive ring; 323, arc baffle; 324, rotating rod; 325, baffle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0025] Embodiment: as Figures 1-8 shown, the present application provides a kind of fluoroplastic magnetic pump technical scheme with anticorrosion function, magnetic pump includes pump body 1, recoil mechanism 2 and temperature detection mechanism 3, pump body 1 and recoil mechanism 2 are connected, pump body 1 and temperature detection mechanism 3 are connected, pump body 1 includes base 11, first drive motor 12, first drive motor 12 fixed end and base 11 fastening connection, first drive motor 12 output end is fastened and connected with coupling 13.

[0026] In the fluoroplastic magnetic pump, the magnetic pump is used to transport liquids, and the liquid transportation is achieved by the attraction and stone removal of the magnetic field. The fluoroplastic contained in it can resist corrosion very well, and the magnetic pump will not be damaged due to the transportation of corrosive solutions. The recoil mechanism 2 is arranged inside the pump body 1. During the solution transportation process, the solution at a lower position may remain in the internal corners of the pump body 1. Through the recoil mechanism 2, the solution is flushed in the opposite direction during the transportation process, so that the solution can better follow the overall trend of the solution and flow out from the outlet. The temperature detection mechanism 3 is used to detect the heat-prone parts inside the pump body 1. Through the detection, the motor and the input solution amount are adjusted in real time to prevent the temperature from being too high.

[0027] The pump body 1 also includes a main body device 14, which is connected to the base 11. The main body device 14 and the first drive motor 12 are fastened together by a coupling 13. The main body device 14 includes a pump casing 141, an impeller 142, a pump cover 143, an inner magnetic rotor 144, a pump shaft 145 and an isolation sleeve 146. The pump casing 141 and the pump cover 143 are fastened together, the pump shaft 145 and the pump cover 143 are rotatably connected, the impeller 142 and the pump shaft 145 are fastened together, the inner magnetic rotor 144 and the pump shaft 145 are fastened together, an isolation sleeve 146 is provided on the outer shell of the inner magnetic rotor 144, the isolation sleeve 146 is fastened to the pump cover 143, the pump casing 141 is fastened to the base 11, and a water inlet pipe 1411 and a water outlet pipe 1412 are provided on the pump casing 141. The water inlet pipe 1411 is connected to the support frame It is tightly connected to the base 11, a pump chamber 1413 is provided in the pump casing 141, the main device 14 is connected to the recoil mechanism 2, the pump casing 141 is connected to the recoil mechanism 2, the main device 14 is connected to the temperature detection mechanism 3, the main device 14 also includes an external magnetic rotor 147, a main shaft 148 and a connector, the external magnetic rotor 147 and the main shaft 148 are rotatably connected, the main shaft 148 and the isolation sleeve 146 are tightly connected through the connector, the main device 14 and the coupling 13 are tightly connected, and the end of the main shaft 148 away from the pump shaft 145 is tightly connected to the coupling 13, the pump body 1 also includes a protective cover 15, the protective cover 15 is arched, the bottom of the protective cover 15 is tightly connected to the base 11, and the protective cover 15 is sleeved on the output end of the first drive motor 12, the coupling 13 and the outside of the main shaft 148.

[0028] In the pump body 1, all mechanisms are placed on the base 11. The first drive motor 12 is started, and the outer magnetic rotor 147 begins to rotate, generating a rotating magnetic field, which interacts with the inner magnetic rotor 144 to generate a magnetic coupling driving force. Due to the interaction of magnetic forces, magnetic coupling is formed between the outer magnetic rotor 147 and the inner magnetic rotor 144, and the inner magnetic rotor 144 and the impeller 142 are both connected to the pump shaft 145. Therefore, the impeller 142 can be driven to rotate by the action of the magnetic field, and the solution is transported from the water inlet to the water outlet by centrifugal force, thereby completing the transportation of the solution.

[0029] The recoil mechanism 2 includes a drive device 21, which is connected to the pump housing 141 and is placed in the pump chamber 1413. The drive device 21 includes a drive chamber 211, a servo motor 212 and a drive disk 213. The drive chamber 211 is placed in the pump chamber 1413. The drive chamber 211 is provided with a drive chamber 2111. The servo motor 212 is connected to the drive chamber 211 and is placed in the drive chamber 2111. The fixed end of the servo motor 212 and The wall of the driving cavity 2111 is fastened, and a first through hole 2131 and a second through hole 2132 are provided on the driving disk 213. The first through hole 2131 is placed in the middle of the driving disk 213, and the second through hole 2132 is placed on one side of the first through hole 2131. The distance from the first through hole 2131 to the second through hole 2132 is less than the radius of the driving disk 213. The driving disk 213 is connected to the driving chamber 211, and the driving disk 213 is placed in the driving cavity 2111. The driving disk 213 and the servo motor The recoil mechanism 2 further comprises a recoil device 22, which comprises a recoil chamber 221, a recoil baffle 222 and a connecting rod 223. The recoil device 22 is connected to the driving device 21, the recoil device 22 is connected to the driving chamber 211, the recoil device 22 is placed in the driving cavity 2111, the connecting rod 223 is connected to the driving disk 213, one end of the connecting rod 223 is connected to the second through hole 2132 is rotatably connected, the recoil chamber 221 and the wall of the driving chamber 2111 are tightly connected, a recoil baffle 222 is provided in the recoil chamber 221, a circular opening is provided at the top of the recoil chamber 221, a connecting rod 223 is slidably connected to the circular opening of the recoil chamber 221, one end of the connecting rod 223 away from the second through hole 2132 is tightly connected to the recoil baffle 222, and one end of the recoil chamber 221 away from the connecting rod 223 is opened, and the opening of the recoil chamber 221 faces the direction of solution inflow.

[0030] In the backwash mechanism 2, by backwash mechanism 2, give the solution in the pump shell 141 bottom a and solution flow direction opposite force, so that the bottom of the solution has a reverse force, can better with the majority of the solution together under the action of magnetic pump together out of the pump body 1, reduce the pump body 1 solution residue, reduce the corrosive solution to the pump body 1 damage, by setting the drive device 21, drive backflush device 22 with solution backflush, servo motor 212 is placed in the drive cavity 2111, the output end and drive disc 213 fastening connection, after the start of servo motor 212, can with drive disc 213 rotation, drive disc 213 has the second through hole 2132, drive disc 213 through the second through hole 2132 and connecting rod 223 rotation connection, and servo motor 212 output end on the straight line and connecting rod 223 on the straight line vertical, connecting rod 223 the other end and backflush baffle 222 fastening connection, backflush baffle 222 and backflush chamber 221 inner wall sliding connection, therefore in servo motor 212 drive disc 213 rotation, drive disc 213 will with connecting rod 223 together with the movement, and connecting rod 223 and backflush baffle 222 fastening connection, therefore will with backflush baffle 222 constantly in backflush chamber 221 inner wall along the wall surface back and forth sliding, backflush chamber 221 opening end in backflush baffle 222 after sliding, solution will enter to the opening end, in backflush baffle 222 before sliding, solution is pushed out, through such backflush, can make the solution better flow out, reduce the residual in the pump body 1.

[0031] The temperature detection mechanism 3 comprises a detection device 31 connected with the main body device 14, the detection device 31 is connected with the isolation sleeve 146, the detection device 31 comprises a thermocouple 311 and a ceramic ring 312, the isolation sleeve 146 is provided with an annular groove, the ceramic ring 312 is tightly connected with the annular groove of the isolation sleeve 146, the thermocouple 311 is tightly connected with the ceramic ring 312, the temperature detection mechanism 3 further comprises a feedback device 32, the feedback device 32 is tightly connected with the base 11, the feedback device 32 is connected with the pump shell 141, the feedback device 32 is connected with the water inlet pipe 1411, the feedback device 32 comprises a second driving motor 321, a driving ring 322, an arc-shaped baffle 323, a rotating rod 324 and a baffle plate 325, the baffle plate 325 is tightly connected with the water inlet pipe 1411, the driving ring 322 is rotatably connected with the water inlet pipe 1411, the baffle plate 325 is provided with a plurality of fixed blocks, the driving ring 322 is provided with a gear outside the ring, the water inlet pipe 1411 is provided with a gear groove, the gear of the driving ring 322 passes through the gear groove of the water inlet pipe 1411, the output end of the second driving motor 321 is engaged with the gear of the driving ring 322, the fixed end of the second driving motor 321 is tightly connected with the base 11, the driving ring 322 is provided with a plurality of rotating grooves, the rotating rod 324, the arc-shaped baffle 323, the fixed blocks and the rotating grooves are consistent in number, the fixed blocks of the baffle plate 325 are slidably connected with the rotating grooves of the driving ring 322, one end of the rotating rod 324 is rotatably connected with the driving ring 322, the other end of the rotating rod 324 is rotatably connected with the arc-shaped baffle 323, and the arc-shaped baffle 323 is rotatably connected with the baffle plate 325 through a rotating shaft.

[0032] In the temperature detection mechanism 3, the mechanism is used for detecting the surface temperature of the isolation sleeve 146, during the operation of the magnetic drive pump, the isolation sleeve 146 is a key component in the magnetic drive pump, located between the inner magnetic rotor 144 and the outer magnetic rotor 147, and plays a role in transmitting magnetic torque, during the transmission of the magnetic torque, the isolation sleeve 146 will generate a certain amount of heat, and will also bear the pressure and temperature of the medium, and the isolation sleeve 146 and the inner magnetic rotor 144, the outer magnetic rotor 147 and some other components will generate friction, which will also generate heat, causing the temperature of the isolation sleeve 146 to rise, which may cause the material of the isolation sleeve 146 to deform over a long period of time, affecting the use of the magnetic drive pump, by setting the detection device 31, a part of the isolation sleeve 146 is wrapped around the ceramic ring 312, preventing the thermocouple 311 from affecting the transmission of the magnetic torque during operation, and the ceramic ring 312 has good heat conduction performance, which can well transmit the temperature of the isolation sleeve 146, if the detected temperature is high, the first driving motor 12 reduces the driving, the torque transmission is reduced, and the second driving motor 321 is started to make the driving ring 326 rotate, and the arc-shaped baffle 323 gathers towards the middle of the driving ring 326, thereby reducing the flow into the pump body 1 by reducing the aperture of the water inlet pipe 1411, so as to make the isolation sleeve 146 naturally cool down.

[0033] The working principle of the present application is as follows: after starting, the magnetic pump is used to transport fluid, the magnetic pump is made of fluoroplastic material and has good corrosion resistance, so it can support the transportation of corrosive solution; in the present application, a backflush mechanism 2 is arranged in the pump shell 141; after the solution enters the pump body 1, the servo motor 212 is started to drive the driving disc 213 to rotate, and the connecting rod 223 and the backflush baffle 222 are tightly connected, so that the backflush baffle 222 slides back and forth along the inner wall of the backflush chamber 221, when the backflush baffle 222 slides backward from the opening end of the backflush chamber 221, the solution enters the opening end, and when the backflush baffle 222 slides forward, the solution is pushed out; through such backflush, the solution can flow out better, and the residual in the pump body 1 is reduced; then the temperature detection mechanism 3 is arranged to detect the surface temperature of the isolation sleeve 146; the ceramic ring 312 is wound on the isolation sleeve 146 to prevent the thermocouple 311 from affecting the magnetic torque transmission during work; at the same time, the ceramic ring 312 has good heat conduction performance and can well transmit the temperature of the isolation sleeve 146; if the detected temperature is high, the first driving motor 12 reduces the driving, the torque transmission is reduced, the second driving motor 321 is started to make the driving ring 326 rotate, and the arc-shaped baffle 323 gathers towards the middle of the driving ring 326, so that the flow into the pump body 1 is reduced by reducing the aperture of the water inlet pipe 1411, so as to make the isolation sleeve 146 cool down naturally and ensure that the magnetic pump can run for a long time and prolong its service life.

[0034] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than by the foregoing description, and it is intended that all changes that come within the meaning and range of equivalency of the claims are embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A fluoroplastic magnetic pump with corrosion resistance, characterized by: The magnetic pump comprises a pump body (1), a recoil mechanism (2) and a temperature detection mechanism (3); the pump body (1) and the recoil mechanism (2) are connected, the pump body (1) and the temperature detection mechanism (3) are connected, the pump body (1) comprises a base (11) and a first drive motor (12); a fixed end of the first drive motor (12) is fastened to the base (11), and an output end of the first drive motor (12) is fastened to a coupling (13); The pump body (1) further comprises a main body device (14), the main body device (14) is connected to the base (11), the main body device (14) and the first drive motor (12) are fastened together via a coupling (13), the main body device (14) comprises a pump casing (141), an impeller (142), a pump cover (143), an inner magnetic rotor (144), a pump shaft (145) and an isolation sleeve (146), the pump casing (141) and the pump cover (143) are fastened together, the pump shaft (145) and the pump cover (143) are rotatably connected, the impeller (142) and the pump shaft (145) are fastened together, the inner magnetic rotor (144) and the pump shaft (146) are 5) fastening connection, the outer cover of the inner magnetic rotor (144) is provided with an isolation sleeve (146), the isolation sleeve (146) and the pump cover (143) are fastened together, the pump housing (141) and the base (11) are fastened together, the pump housing (141) is provided with a water inlet pipe (1411) and a water outlet pipe (1412), the water inlet pipe (1411) is fastened together with the base (11) through a support frame, a pump chamber (1413) is provided in the pump housing (141), the main unit (14) and the recoil mechanism (2) are connected, the pump housing (141) and the recoil mechanism (2) are connected, and the main unit (14) and the temperature detection mechanism (3) are connected; The recoil mechanism (2) comprises a drive device (21), the drive device (21) being connected to a pump housing (141), the drive device (21) being disposed in a pump cavity (1413), the drive device (21) comprising a drive chamber (211), a servo motor (212), and a drive disk (213), the drive chamber (211) being disposed in the pump cavity (1413), a drive cavity (2111) being provided in the drive chamber (211), the servo motor (212) being connected to the drive chamber (211), the servo motor (212) being disposed in the drive cavity (2111), and the fixed end of the servo motor (212) being fastened to a wall surface of the drive cavity (2111). The driving disk (213) is provided with a first through hole (2131) and a second through hole (2132), the first through hole (2131) is located in the middle of the driving disk (213), the second through hole (2132) is located on one side of the first through hole (2131), the distance between the first through hole (2131) and the second through hole (2132) is smaller than the radius of the driving disk (213), the driving disk (213) is connected to the driving chamber (211), the driving disk (213) is located in the driving cavity (2111), the driving disk (213) is connected to the servo motor (212), and the output end of the servo motor (212) is fastened to the first through hole (2131); The recoil mechanism (2) further comprises a recoil device (22), the recoil device (22) comprising a recoil chamber (221), a recoil baffle (222) and a connecting rod (223), the recoil device (22) being connected to the drive device (21), the recoil device (22) being connected to the drive chamber (211), the recoil device (22) being placed in the drive chamber (2111), the connecting rod (223) being connected to the drive disc (213), one end of the connecting rod (223) being rotatably connected to the second through hole (2132), the recoil device (22) being connected to the drive chamber (2111), the recoil device (22) being placed in the drive chamber (2111), the connecting rod (223) being connected to the drive disc (213), the recoil device (22) being connected to the drive chamber (21 ... The chamber (221) is tightly connected to the wall of the driving chamber (2111), a recoil baffle (222) is provided in the recoil chamber (221), a circular opening is provided at the top of the recoil chamber (221), the connecting rod (223) is slidably connected to the circular opening of the recoil chamber (221), one end of the connecting rod (223) away from the second through hole (2132) is tightly connected to the recoil baffle (222), the recoil chamber (221) is opened at one end away from the connecting rod (223), and the opening of the recoil chamber (221) faces the direction of solution inflow.

2. A fluoroplastic magnetic pump with corrosion resistance according to claim 1, characterized in that: The main device (14) further includes an external magnetic rotor (147), a main shaft (148) and a connector. The external magnetic rotor (147) and the main shaft (148) are rotatably connected. The main shaft (148) and the isolation sleeve (146) are fastened together via the connector. The main device (14) and the coupling (13) are fastened together. The end of the main shaft (148) away from the pump shaft (145) is fastened together with the coupling (13).

3. The fluoroplastic magnetic pump with corrosion resistance according to claim 2, characterized in that: The pump body (1) further includes a protective cover (15), the protective cover (15) is arched, the bottom of the protective cover (15) is tightly connected to the base (11), and the protective cover (15) is sleeved on the output end of the first drive motor (12), the coupling (13) and the outside of the main shaft (148).

4. The fluoroplastic magnetic pump with corrosion resistance according to claim 1, characterized in that: The temperature detection mechanism (3) comprises a detection device (31), the detection device (31) is connected to the main device (14), the detection device (31) is connected to the isolation sleeve (146), the detection device (31) comprises a thermocouple (311) and a ceramic ring (312), an annular groove is provided on the isolation sleeve (146), the ceramic ring (312) and the annular groove of the isolation sleeve (146) are fastened together, and the thermocouple (311) and the ceramic ring (312) are fastened together.

5. The fluoroplastic magnetic pump with corrosion resistance according to claim 4, characterized in that: The temperature detection mechanism (3) further comprises a feedback device (32), wherein the feedback device (32) is fixedly connected to the base (11), the feedback device (32) is connected to the pump housing (141), and the feedback device (32) is connected to the water inlet pipe (1411). The feedback device (32) comprises a second drive motor (321), a drive ring (322), an arc-shaped baffle (323), a rotating rod (324), and a baffle (325). The baffle (325) is fixedly connected to the water inlet pipe (1411), the drive ring (322) is rotatably connected to the water inlet pipe (1411), a plurality of fixing blocks are provided on the baffle (325), a gear is provided on the outer ring of the drive ring (322), and a gear groove is provided on the water inlet pipe (1411). The gear of the driving ring (322) passes through the gear groove of the water inlet pipe (1411), the output end of the second driving motor (321) is meshed with the gear of the driving ring (322), the fixed end of the second driving motor (321) is fastened to the base (11), a plurality of rotating grooves are provided on the driving ring (322), the number of the rotating rod (324), the arc-shaped baffle (323), the fixed block and the rotating grooves are the same, the fixed block of the baffle (325) is slidably connected to the rotating groove of the driving ring (322), one end of the rotating rod (324) is rotatably connected to the driving ring (322), the other end of the rotating rod (324) is rotatably connected to the arc-shaped baffle (323), and the arc-shaped baffle (323) and the baffle (325) are rotatably connected via a rotating shaft.

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