Vortex magnetic drive pump

Abstract

The utility model discloses a vortex magnetic drive pump which comprises a pump body and a motor used for providing power for the pump body. The pump body comprises a pump shell, an outer magnetic rotor and an inner magnetic rotor, the outer magnetic rotor is in butt joint with an output shaft of the motor, the opening end face of the pump shell is fixedly connected with the output end face of the motor, an isolation sleeve is arranged in the pump shell and divides the interior of the pump shell into an outer magnetic chamber and an inner magnetic chamber, and the outer magnetic rotor is located in the outer magnetic chamber after the pump body and the motor are assembled. The inner magnetic rotor is located in the inner magnetic chamber, a vortex impeller is further assembled on the inner magnetic rotor, a water inlet and a water outlet are further formed in the pump shell, and the water inlet and the water outlet are both communicated with the inner magnetic chamber. Compared with the prior art, the non-contact magnetic transmission device has the advantages that original mechanical transmission is changed into magnetic transmission, due to the fact that the magnetic transmission is in a non-contact mode, contact friction does not exist, the non-contact magnetic transmission device has more reliable performance, maintenance cost is reduced, and noise and vibration are greatly reduced due to the non-contact mode.

Description

Technical Field

[0001] The utility model relates to the technical field of vortex pumps, in particular to a vortex magnetic pump. Background Art

[0002] The existing vortex pump is provided with a pump cover on the pump body, a pump shaft is provided in the pump body, an impeller is provided at the front end of the pump shaft, and a shaft nut is provided on the pump shaft to fasten the impeller to the pump shaft. This vortex pump has a pump cover on the pump body, a pump shaft is provided in the pump body, an impeller is provided at the front end of the pump shaft, and a shaft nut is provided on the pump shaft to fasten the impeller to the pump shaft. The axial clearance between the impeller and the pump body and the pump cover and the requirements for machining and installation require high precision, high production costs, and easy friction between the impeller and the pump body and pump cover, resulting in a short service life. Therefore, it is necessary to develop a vortex magnetic pump. After searching, no technical solution similar to the present utility model was found. Utility Model Content

[0003] The main technical problem solved by the present invention is to provide a vortex magnetic pump to solve one or more of the above-mentioned problems in the prior art.

[0004] In order to solve the above technical problems, the present invention adopts a technical solution: a vortex magnetic pump, the innovation of which is that it includes a pump body and a motor for providing power to the pump body;

[0005] The pump body includes a pump casing, an outer magnetic rotor and an inner magnetic rotor. The outer magnetic rotor is connected to the output shaft of the motor, and the open end face of the pump casing is fixedly connected to the output end face of the motor. An isolation sleeve is provided inside the pump casing, which divides the interior of the pump casing into an outer magnetic chamber and an inner magnetic chamber. When the pump body and the motor are assembled, the outer magnetic rotor is located in the outer magnetic chamber, and the inner magnetic rotor is located in the inner magnetic chamber. A vortex impeller is also installed on the inner magnetic rotor. A water inlet and a water outlet are also provided on the pump casing, and both the water inlet and the water outlet are connected to the inner magnetic chamber.

[0006] In some embodiments, the outer magnetic rotor includes an outer magnetic ring and an outer connecting ring, and the outer connecting ring is fixedly connected to the output shaft of the motor.

[0007] In some embodiments, the pump casing includes a casing barrel and a casing cover, the end face of one end of the casing barrel is fixedly connected to the output end face of the motor, and the isolation sleeve is arranged on the end face of the other end of the casing barrel. The isolation sleeve is provided with an isolation cavity that is recessed into the inner cavity of the casing barrel and inserted into the inner cavity of the outer magnetic ring.

[0008] In some embodiments, the internal magnetic rotor includes a rotating shaft arranged in the internal magnetic chamber, one end of the rotating shaft is assembled on the shell cover, and the other end is assembled on the bottom of the isolation chamber, the rotating shaft is equipped with an inner connecting ring, the inner connecting ring is equipped with an inner magnetic ring, the vortex impeller is assembled on the inner magnetic ring, and the inner magnetic ring is located in the isolation chamber.

[0009] In some embodiments, a thread groove is provided on the inner wall of the inner connecting ring, and the thread groove is communicated with the inner magnetic chamber.

[0010] In some embodiments, the inner magnetic ring and the vortex impeller are provided with a connecting structure for assembling and connecting the two, the connecting structure includes an assembly inner ring arranged on the inner magnetic ring and an assembly outer ring arranged on the end face of the vortex impeller, the assembly inner ring and the assembly outer ring can be plugged into each other, a guide groove is provided on the inner wall of the assembly outer ring, a positioning pin is provided on the inner side of the guide groove on the end face of the vortex impeller, the positioning pin is consistent with the extension direction of the guide groove, a guide strip that cooperates with the guide groove for guidance is provided on the outer wall of the assembly inner ring, and a positioning slot that cooperates with the positioning pin for plugging is provided on the end face of the assembly inner ring.

[0011] The beneficial effects of the utility model are as follows: the technical solution changes the original mechanical transmission to magnetic transmission. Since the magnetic transmission is non-contact, there is no contact friction, it has more reliable performance and reduces maintenance costs. At the same time, the non-contact type greatly reduces noise and vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0013] Figure 1 This is an axial view of a vortex magnetic pump of the present utility model.

[0014] Figure 2 This is a front view of a vortex magnetic pump of the present utility model.

[0015] Figure 3 yes Figure 2 Cross-sectional view in the AA direction.

[0016] Figure 4 It is a structural schematic diagram of an inner magnetic rotor of a vortex magnetic pump of the present invention.

[0017] Figure 5 This is a front view of the inner magnetic rotor of a vortex magnetic pump of the present invention.

[0018] Figure 6 yes Figure 5 Cross-sectional view in the AA direction.

[0019] Figure 7 It is a structural schematic diagram of a vortex impeller of a vortex magnetic pump of the present invention.

[0020] Figure 8It is a structural schematic diagram of an inner magnetic ring of a vortex magnetic pump of the present invention. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1 to 6 As shown, the embodiment of the utility model includes: a vortex magnetic pump, including a pump body 200 and a motor 100 for providing power to the pump body 200, the pump body 200 is connected to the output shaft of the motor 100, the pump body 200 and the motor 100 are both installed on the base, the pump body 200 includes an outer magnetic rotor, the outer magnetic rotor includes an outer magnetic ring 221 and an outer connecting ring 222, the outer magnetic ring 221 and the outer connecting ring 222 are coaxially arranged, the outer connecting ring 222 is sleeved on the output shaft of the motor 100, and the output of the motor 100 The shaft is connected to the outer connecting ring 222 by a key. The pump body 200 also includes a pump casing. The pump casing includes a shell barrel 211 that covers the outer magnetic rotor. One end of the shell barrel 211 is connected and fixed to the end face of the motor 100. A gasket is provided between the shell barrel 211 and the end face of the motor 100. The gasket and the shell barrel 211 are coaxially arranged with the outer magnetic rotor. The other end face of the shell barrel 211 is provided with a shell cover 212. The shell cover 212 is fixedly connected to the shell barrel 211 by bolts. A first shaft seat is provided on the shell cover 212, and a rotor is provided on the first shaft seat. The shaft 231 is aligned with the output shaft of the motor 100. The shaft 231 is provided with an inner magnetic rotor. An isolating sleeve 220 is provided between the inner magnetic rotor and the outer magnetic rotor to isolate the two. The edge of the isolating sleeve 220 is fixedly connected to the end face of the shell barrel 211. The isolating sleeve 220 is provided with an isolating cavity recessed toward the inner cavity of the outer magnetic ring 221. A second shaft seat is provided at the bottom of the isolating cavity. The other end of the shaft 231 is mounted on the first shaft seat. The inner magnetic rotor includes an inner connecting sleeve mounted on the shaft 231. Ring 232 and the inner magnetic ring mounted on the inner connecting ring 232, the inner magnetic ring is also fixed with a vortex impeller 240, the vortex impeller 240 is coaxially arranged with the inner magnetic rotor, the working principle of the above structure is to turn on the motor 100, the motor 100 drives the outer magnetic rotor to rotate, the inner magnetic rotor also rotates under the magnetic force of the outer magnetic rotor, and the vortex impeller 240 also rotates accordingly, and finally the liquid to be extracted enters the inner magnetic chamber from the inlet and then exits from the outlet. The outlet is connected to a pipeline, so that the liquid can be transported to where it is needed.

[0023] like Figure 6As shown, a thread groove 2321 is provided on the inner wall of the inner connecting ring 232, and the thread groove 2321 is connected to the inner magnetic chamber. In the above structure, when the extracted liquid enters the inner magnetic chamber, due to the pressure difference between the inside and the outside, the liquid will be squeezed into the thread groove 2321, and the liquid will cool the rotating shaft 231 and the inner connecting ring 232 to offset the heat generated by the friction between the inner connecting ring 232 and the rotating shaft 231. At the same time, the liquid in the gap between the rotating shaft 231 and the inner connecting ring 232 will also lubricate the two, thereby increasing the service life of the rotating shaft 231 and the inner connecting ring.

[0024] like Figure 7 and Figure 8 As shown, the inner magnetic ring and the vortex impeller 240 are provided with a connecting structure for assembling and connecting the two, the connecting structure includes an assembly inner ring 2331 arranged on the inner magnetic ring and an assembly outer ring 241 arranged on the end face of the vortex impeller 240, the assembly inner ring 2331 and the assembly outer ring 241 can be plugged into each other, and a guide groove 242 is provided on the inner wall of the assembly outer ring 241, and a positioning pin 243 is provided on the inner side of the guide groove 242 on the end face of the vortex impeller 240, and the positioning pin 243 extends in the same direction as the guide groove 242, and a guide strip 2332 is provided on the outer wall of the assembly inner ring 2331 for guiding the guide groove 242, and a positioning slot 2333 is provided on the end face of the assembly inner ring 2331 for plugging in with the positioning pin 243. In the above structure, the assembly difficulty between the vortex impeller 240 and the inner magnetic ring is facilitated, and the power loss caused by sliding between the vortex impeller 240 and the inner magnetic ring is also prevented.

[0025] In all the above structures, the assemblies between all parts and components are designed with sealing structures or sealing structures to ensure the sealing performance of the pump body 200.

[0026] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A vortex magnetic pump, characterized in that: It comprises a pump body (200) and a motor (100) for providing power to the pump body (200); The pump body (200) comprises a pump casing, an outer magnetic rotor and an inner magnetic rotor, the outer magnetic rotor is docked with the output shaft of the motor (100), the open end face of the pump casing is fixedly connected to the output end face of the motor (100), an isolation sleeve (220) is provided in the pump casing, and the isolation sleeve (220) divides the interior of the pump casing into an outer magnetic chamber and an inner magnetic chamber. When the pump body (200) and the motor (100) are assembled, the outer magnetic rotor is located in the outer magnetic chamber, and the inner magnetic rotor is located in the inner magnetic chamber. A vortex impeller (240) is also installed on the inner magnetic rotor. A water inlet and a water outlet are also provided on the pump casing, and both the water inlet and the water outlet are connected to the inner magnetic chamber.

2. A vortex magnetic pump according to claim 1, characterized in that: The outer magnetic rotor comprises an outer magnetic ring (221) and an outer connecting ring (222), and the outer connecting ring (222) is fixedly connected to the output shaft of the motor (100).

3. A vortex magnetic pump according to claim 2, characterized in that: The pump casing comprises a casing barrel (211) and a casing cover (212); an end surface of one end of the casing barrel (211) is fixedly connected to an output end surface of the motor (100); the isolation sleeve (220) is arranged on an end surface of the other end of the casing barrel (211); and an isolation cavity is provided on the isolation sleeve (220), which is recessed into the inner cavity of the casing barrel (211) and is inserted into the inner cavity of the outer magnetic ring (221).

4. A vortex magnetic pump according to claim 3, characterized in that: The inner magnetic rotor comprises a rotating shaft (231) arranged in the inner magnetic chamber, one end of the rotating shaft (231) is assembled on the shell cover (212), and the other end is assembled on the bottom of the isolation chamber, an inner connecting ring (232) is mounted on the rotating shaft (231), an inner magnetic ring is mounted on the inner connecting ring (232), the vortex impeller (240) is assembled on the inner magnetic ring, and the inner magnetic ring is located in the isolation chamber.

5. A vortex magnetic pump according to claim 4, characterized in that: A thread groove (2321) is provided on the inner wall of the inner connecting ring (232), and the thread groove (2321) is communicated with the inner magnetic chamber.

6. A vortex magnetic pump according to claim 4, characterized in that: The inner magnetic ring and the vortex impeller (240) are provided with a connection structure for assembling and connecting the two. The connection structure includes an assembly inner ring (2331) arranged on the inner magnetic ring and an assembly outer ring (241) arranged on the end face of the vortex impeller (240). The assembly inner ring (2331) and the assembly outer ring (241) can be plugged into each other. A guide groove (242) is provided on the inner wall of the assembly outer ring (241). A positioning pin (243) is provided on the inner side of the guide groove (242) on the end face of the vortex impeller (240). The positioning pin (243) extends in the same direction as the guide groove (242). A guide bar (2332) that cooperates with the guide groove (242) for guiding is provided on the outer wall of the assembly inner ring (2331). A positioning slot (2333) that cooperates with the positioning pin (243) for plugging is provided on the end face of the assembly inner ring (2331).

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