Stainless steel magnetic drive pump with corrosion-resistant mechanism

By coating the drive motor and pump body of the stainless steel magnetic pump with polytetrafluoroethylene and installing a protective cover and interception net, the problems of sealing corrosion and impurity blockage are solved, improving corrosion resistance and service life, and reducing maintenance costs and safety risks.

CN223608808UActive Publication Date: 2025-11-28JINGXIAN JINGYE MASCH CO LTD
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Patent Information

Application Number
CN202423109460.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-28
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

When transporting corrosive liquids, stainless steel magnetic pumps are prone to corrosion at the sealing joints, leading to leaks, increased maintenance costs, and liquids containing large particles can easily cause internal blockages, affecting service life and potentially burning out the motor.

Method used

The drive motor and pump body are coated with polytetrafluoroethylene, and protective covers and guide ports are installed to intercept leaked liquid. Large particulate impurities are treated with interception nets and sedimentation tanks to prevent blockage.

Benefits of technology

It improves the corrosion resistance of magnetic pumps, reduces maintenance costs, enables timely detection and handling of leaks, avoids external surface corrosion and internal blockage, extends service life, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stainless steel magnetic drive pump with a corrosion-resistant mechanism, which comprises a driving motor, one end of the driving motor is connected with a fixed support, one side of the fixed support is connected with a pump body, and the outer surfaces of the driving motor, the fixed support and the pump body are polytetrafluoroethylene coatings. According to the scheme, an operator directly observes internal liquid through the fixing pipe and then carries out maintenance in time, leakage at the joint is intercepted through the protective cover, and the situation that the outer surface of the magnetic drive pump is corroded by leaked liquid, so that the service life of the magnetic drive pump is affected is avoided; when liquid flows through the water inlet, large-particle impurities in the water inlet are intercepted through the intercepting net, the large-particle impurities sink into the precipitation tank under the action of gravity and are stored in the flow guide pipe through the sliding chute, and after liquid transmission is finished, the impurities are discharged through the flow guide pipe by rotating the fixing cover. And therefore, blockage in the magnetic drive pump is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fluoroplastic magnetic force pump technical field more specifically, the utility model relates to a stainless steel magnetic force pump with corrosion -resistant mechanism. BACKGROUND

[0002] Stainless steel magnetic force pump is a kind of pump using magnetic transmission without mechanical seal, it is usually by motor, drive yoke, dynamic seal cover, static seal cover and pump body etc. Component is formed, magnetic force pump drives yoke and generates magnetic force by motor, rotates the impeller on dynamic seal cover, to realize the suction and discharge work of pump, since magnetic force pump does not need mechanical seal, therefore has no leakage, no pollution, no noise and no vibration etc. Advantage, it is applicable to the delivery flammable, explosive, toxic, easy to corrode and high-temperature liquid, magnetic force pump is widely used in chemical industry, medicine, food etc. Industry.

[0003] Since stainless steel magnetic force pump often transports easy-to-corrode liquid, therefore, under long-time use, the sealing connection of stainless steel pump requires higher, and often needs to be replaced and maintained, once the corrosion of the sealing of the connection causes leakage, it is easy to corrode to the surface of the shell of stainless steel magnetic force pump, to cause the increase of repair cost, and due to the need of part of process, the liquid containing large particle impurities, sometimes there are particles in the impeller and pump cavity, cause internal blockage, affect the work of stainless steel magnetic force pump, more serious possibility burn motor, to cause direct safety hazard and economic loss. UTILITARIAN CONTENT

[0004] In order to overcome the above-mentioned defects of prior art, the embodiment of the utility model provides a stainless steel magnetic force pump with corrosion -resistant mechanism, to solve the problem that once the sealing of the connection causes corrosion and leakage, it is easy to corrode to the surface of the shell of stainless steel magnetic force pump, to cause the increase of repair cost, and due to the need of part of process, the liquid containing large particle impurities, sometimes there are particles in the impeller and pump cavity, cause internal blockage, affect the work of stainless steel magnetic force pump, more serious possibility burn motor, to cause direct safety hazard and economic loss.

[0005] To solve the above technical problems, the utility model provides technical scheme as follows: A stainless steel magnetic force pump with corrosion -resistant mechanism, including drive motor, one end of drive motor is connected with fixed support, one side of fixed support is connected with pump body, the outer surface of drive motor, fixed support and pump body is polytetrafluoroethylene coating, the pump body includes pump shell, one side of pump shell is fixedly connected with water inlet, the top of pump shell is fixedly connected with drain, the side away from water inlet of pump shell is fixedly connected with protective cover, one side of pump shell is fixedly connected with first connecting flange, first connecting flange is located in the inside of protective cover, the side away from pump shell of protective cover is fixedly connected with embedded ring, the bottom of protective cover is equipped with flow guide opening, the bottom of pump shell and protective cover is fixedly connected with fixed base, one side of fixed base is fixedly connected with fixed pipe.

[0006] Wherein, the fixed support includes support cover, the support cover is fixedly connected with the drive motor, the side away from the drive motor of the support cover is fixedly connected with the second connecting flange, the outer surface of the second connecting flange is fixedly sleeved with the connecting cover, the side away from the drive motor of the connecting cover is equipped with the embedded slot, the second connecting flange is fixedly connected with the first connecting flange through bolt.

[0007] Wherein, one end of the fixed pipe is communicated with the flow guide opening, the inside of the fixed pipe is movably sleeved with the buoyancy ball, the fixed pipe is transparent material.

[0008] Wherein, the inside of the pump shell is provided with an impeller, the inside of the side close to the water inlet of the pump shell is fixedly connected with a screen, the bottom of the pump shell is below the screen and is equipped with a sediment tank.

[0009] Wherein, the fixed base includes base body, one end away from the flow guide opening of the inside of the base body is equipped with sliding chute, the top of the sliding chute is fixedly communicated with the sediment tank, one side of the sliding chute is fixedly connected with the flow guide pipe, one side of the flow guide pipe is equipped with external thread, the outer surface of the external thread is threadedly connected with the fixed cover.

[0010] The technical effect and advantage of the utility model are as follows:

[0011] In the above scheme, the outer surface of the drive motor, the fixed support and the pump body is polytetrafluoroethylene coating, which improves the corrosion resistance of the outer surface of the magnetic force pump, thereby prolonging the service life of the magnetic force pump and reducing the maintenance cost.

[0012] The first connecting flange and the second connecting flange are located in the interior of the protective cover, when leakage occurs at the connecting position of the second connecting flange and the first connecting flange, liquid will enter the interior of the protective cover first, and then enter the interior of the fixed pipe through the flow guide opening at the bottom of the protective cover, at this time, the operator directly observes the liquid in the interior through the fixed pipe, and then timely maintenance is carried out, the protective cover is used for intercepting the leakage at the connecting position, and the liquid leakage is prevented from corroding the outer surface of the magnetic drive pump, so that the service life of the magnetic drive pump is affected.

[0013] When liquid enters the water inlet, the large-particle impurities in the interior of the water inlet are intercepted through the intercepting net, the large-particle impurities sink to the interior of the sediment tank through gravity, and are stored in the interior of the flow guide pipe through the sliding chute, after liquid transmission is completed, the impurities are discharged through the flow guide pipe by rotating the fixed cover, and then the interior of the magnetic drive pump is prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a pump body structure schematic view of the utility model;

[0016] Figure 3 It is a fixed support structure schematic view of the utility model;

[0017] Figure 4 It is a pump body interior structure schematic view of the utility model;

[0018] Figure 5 It is a structure schematic view at A of the utility model.

[0019] The figure mark is: 1, drive motor;2, fixed support;3, pump body;21, support cover;22, second connecting flange;23, embedded groove;24, connecting cover;31, pump shell;32, water inlet;33, drain port;34, protective cover;35, first connecting flange;36, embedded ring;37, flow guide opening;38, fixed base;39, fixed pipe;310, buoyancy ball;311, intercepting net;312, impeller;313, sediment tank;381, base body;382, sliding chute;383, flow guide pipe;384, external thread;385, fixed cover. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical schemes and advantages to be solved in the utility model more clear, specific embodiments will be described in detail below with reference to the drawings.

[0021] As shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 3The utility model discloses an embodiment provides a kind of stainless steel magnetic force pump with corrosion-resistant mechanism, including drive motor 1, one end of drive motor 1 is connected with fixed support 2, one side of fixed support 2 is connected with pump body 3, the outer surface of drive motor 1, fixed support 2 and pump body 3 is polytetrafluoroethylene coating;Pump body 3 includes pump shell 31, one side of pump shell 31 is fixedly connected with water inlet 32, the top of pump shell 31 is fixedly connected with drain 33, the side of pump shell 31 away from water inlet 32 is fixedly connected with protective cover 34, one side of pump shell 31 is fixedly connected with first connecting flange 35, first connecting flange 35 is located inside protective cover 34, the side of protective cover 34 away from pump shell 31 is fixedly connected with embedded joint ring 36, the bottom of protective cover 34 is provided with flow guide 37, the bottom of pump shell 31 and protective cover 34 is fixedly connected with fixed base 38, one side of fixed base 38 is fixedly connected with fixed pipe 39, utilize drive motor 1, the outer surface of fixed support 2 and pump body 3 is polytetrafluoroethylene coating, make the corrosion resistance of the outer surface of magnetic force pump improve.

[0022] As shown in the accompanying Figure 3 Figure, fixed support 2 includes support cover 21, support cover 21 is fixedly connected with drive motor 1, one side of support cover 21 away from drive motor 1 is fixedly connected with second connecting flange 22, the outer surface of second connecting flange 22 is fixedly sleeved with connecting cover 24, one side of connecting cover 24 away from drive motor 1 is provided with embedded slot 23, second connecting flange 22 is fixedly connected with first connecting flange 35 by bolt.

[0023] Wherein, one end of fixed pipe 39 is communicated with flow guide 37, buoyancy ball 310 is movably sleeved in the inside of fixed pipe 39, and fixed pipe 39 is of transparent material.Utilize the transparent material of fixed pipe 39, when liquid is generated in the inside of fixed pipe 39, it indicates that the connecting place of second connecting flange 22 and first connecting flange 35 leaks, and the operator can quickly maintain, to avoid the situation of more serious leakage in later period, in addition, utilize buoyancy ball 310, when liquid rises in the inside of fixed pipe 39, buoyancy ball 310 rises along with the rising of liquid level, to further block the orifice of fixed pipe 39, to avoid liquid from being discharged from fixed pipe 39.

[0024] As shown in the accompanying Figures 4-5 Figure, the inside of pump shell 31 is provided with impeller 312, the inside of one side of pump shell 31 close to water inlet 32 is fixedly connected with intercepting net 311, and the bottom of pump shell 31 is provided with sediment tank 313 below intercepting net 311.Utilize intercepting net 311, the impurities of large particles in the inside of water inlet 32 are intercepted, so that the impurities of large particles sink to the inside of sediment tank 313 by gravity, and are stored in the inside of flow guide pipe 383 by sliding chute 382.

[0025] The fixed base 38 comprises a base body 381, a sliding chute 382 is arranged at the inner side of the base body 381 and away from the one end of the flow guide hole 37, the top of the sliding chute 382 is fixedly communicated with the sediment tank 313, the flow guide pipe 383 is fixedly connected to the side of the sliding chute 382, the outer thread 384 is arranged at the side of the flow guide pipe 383, and the fixed cover 385 is threadedly connected to the outer surface of the outer thread 384; after use, the bottom of the flow guide pipe 383 is communicated through the fixed cover 385, and then the impurities are discharged through the flow guide pipe 383.

[0026] The working process of the utility model is as follows:

[0027] When in use, the first connecting flange 35 and the second connecting flange 22 are fixedly connected through bolts, so that the first connecting flange 35 and the second connecting flange 22 are located in the inside of the protective cover 34; when leakage occurs at the connecting position of the second connecting flange 22 and the first connecting flange 35, the liquid will enter the inside of the protective cover 34 first, and then enter the inside of the fixed pipe 39 through the flow guide hole 37 at the bottom of the protective cover 34; at this time, the operator can directly observe the liquid in the inside through the fixed pipe 39, and then timely maintenance is carried out; the protective cover 34 is used for intercepting the leakage at the connecting position, so that the liquid leakage does not corrode the outer surface of the magnetic force pump, thereby affecting the service life of the magnetic force pump;

[0028] In addition, when the water inlet 32 is used for liquid, the large-particle impurities in the inside of the water inlet 32 are intercepted through the intercepting net 311, so that the large-particle impurities sink to the inside of the sediment tank 313 through gravity, and are stored in the inside of the flow guide pipe 383 through the sliding chute 382; after the liquid transmission is completed, the fixed cover 385 is rotated, so that the impurities are discharged through the flow guide pipe 383, thereby avoiding the blockage in the inside of the magnetic force pump.

[0029] Finally, the following points should be explained: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0030] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the present disclosure, and other structures can refer to the usual design, and under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0031] Finally: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A stainless steel magnetic drive pump with corrosion resistant mechanism, comprising a driving motor (1), one end of the driving motor (1) is connected with a fixed support (2), characterized in that, The fixed support (2) is connected with a pump body (3) on one side, the outer surface of the driving motor (1), the fixed support (2) and the pump body (3) is a polytetrafluoroethylene coating; The pump body (3) comprises a pump shell (31), one side of the pump shell (31) is fixedly connected with a water inlet (32), the top of the pump shell (31) is fixedly connected with a water outlet (33), the side of the pump shell (31) away from the water inlet (32) is fixedly connected with a protective cover (34), one side of the pump shell (31) is fixedly connected with a first connecting flange (35), the first connecting flange (35) is located in the interior of the protective cover (34), the side of the protective cover (34) away from the pump shell (31) is fixedly connected with an embedded ring (36), the bottom of the protective cover (34) is provided with a flow guide opening (37), the bottom of the pump shell (31) and the protective cover (34) is fixedly connected with a fixed base (38), one side of the fixed base (38) is fixedly connected with a fixed pipe (39).

2. The stainless steel magnetic drive pump with corrosion resistant mechanism according to claim 1, characterized in that, The fixed support (2) comprises a support cover (21), the support cover (21) is fixedly connected with the driving motor (1), the side of the support cover (21) away from the driving motor (1) is fixedly connected with a second connecting flange (22), the outer surface of the second connecting flange (22) is fixedly sleeved with a connecting cover (24), the side of the connecting cover (24) away from the driving motor (1) is provided with an embedded groove (23), the second connecting flange (22) is fixedly connected with the first connecting flange (35) through bolts.

3. The stainless steel magnetic drive pump with corrosion resistant mechanism according to claim 1, characterized in that, One end of the fixed pipe (39) is communicated with the flow guide opening (37), the inside of the fixed pipe (39) movably sleeved with a buoyancy ball (310), the fixed pipe (39) is transparent material.

4. The stainless steel magnetic drive pump with corrosion resistant mechanism of claim 1, wherein, The inside of the pump shell (31) is provided with an impeller (312), the inside of the pump shell (31) near the water inlet (32) is fixedly connected with a blocking net (311), the bottom of the pump shell (31) is provided with a sediment groove (313) below the blocking net (311).

5. The stainless steel magnetic drive pump with corrosion resistant mechanism according to claim 1, wherein, The fixed base (38) comprises a base body (381), one end of the inside of the base body (381) away from the flow guide opening (37) is provided with a sliding inclined chute (382), the top of the sliding inclined chute (382) is fixedly communicated with the sediment groove (313), one side of the sliding inclined chute (382) is fixedly connected with a flow guide pipe (383), one side of the flow guide pipe (383) is provided with an external thread (384), the outer surface of the external thread (384) is threadedly connected with a fixed cover (385).