Stainless steel explosion-proof magnetic drive pump
By incorporating a built-in filter and utilizing the principle of magnetic pole repulsion, the problem of unstable axial force and impurity blockage in stainless steel magnetic pumps when conveying high-density materials has been solved, resulting in reduced noise, extended service life, and easier installation and maintenance.
Patent Information
- Application Number
- CN202423109462.5
- 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
When conveying high-density materials, existing stainless steel magnetic pumps are prone to axial force imbalance, resulting in high noise levels and easy clogging by ferromagnetic impurities. Existing external filters are inconvenient to install and come in inconsistent models, making them inconvenient to use.
It adopts a built-in filter assembly, including a fixed cover, a fixed block, a filter screen and a magnetic block. It uses the principle of magnetic repulsion to maintain the stability of the impeller, and the magnetic block attracts ferromagnetic impurities, while the built-in filter screen intercepts other impurities.
It reduces operating noise, extends the service life of the magnetic pump, avoids clogging, and improves the ease of installation and maintenance.
Smart Images

Figure CN223608816U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of magnetic force pump, more specifically, the utility model relates to a stainless steel explosion -proof magnetic force pump. BACKGROUND
[0002] Stainless steel magnetic force pump has full sealing, no leakage, high efficiency, energy saving, clean, environmental protection, low noise, low vibration and many advantages, is the best choice for conveying flammable, explosive, corrosion and valuable liquid, magnetic force pump can also adopt heavy load type structure design, can transport high specific gravity, high viscosity, high temperature, low temperature and other special working condition materials, its main body structure is composed of pump body spare, magnetic coupling and motor three parts, the main principle is that the motor drives the outer magnetic coupling, the magnetic field passes through the "isolating sleeve" to indirectly drive the inner rotor, thereby driving the impeller to rotate, realizing the purpose of no leakage conveying.
[0003] The stainless steel magnetic force pump of prior art is in operation, the pressure inside the pump cavity changes with the change of pump parameters, the impeller is always in a floating state, the ordinary magnetic force pump only uses the way of "thrust disc" to hinder friction to block the axial force roughly, but when conveying high specific gravity and other special working condition materials, the balance of internal axial force is easily broken due to the influence of materials, resulting in large noise, in addition, due to the requirement of part of the process, the liquid inside may contain impurities, resulting in the blockage of the magnetic force pump, especially the ferromagnetic impurities, which are easily adsorbed to the inside of the magnetic force pump, affecting the service life of the magnetic force pump, the existing way is often through external filter screen, but this way is not only not convenient to install, and the type of filter screen used by different magnetic force pumps is different, resulting in inconvenient use. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a stainless steel explosion -proof magnetic force pump, to solve the problem that the balance of internal axial force is easily broken due to the influence of materials, resulting in large noise, in addition, due to the requirement of part of the process, the liquid inside may contain impurities, resulting in the blockage of the magnetic force pump, especially the ferromagnetic impurities, which are easily adsorbed to the inside of the magnetic force pump, affecting the service life of the magnetic force pump, the existing way is often through external filter screen, but this way is not only not convenient to install, and the type of filter screen used by different magnetic force pumps is different, resulting in inconvenient use.
[0005] To solve the above technical problems, the utility model provides technical schemes as follows: A stainless steel explosion -proof magnetic drive pump, including drive motor, the side of drive motor is connected with support frame through bolt, one side of support frame is fixedly connected with pump body through bolt, the side of pump body is fixedly connected with flow guide device through bolt, the inside of flow guide device is fixedly connected with filter assembly through bolt, the flow guide device includes fixed box, one end of fixed box top is fixedly connected with support sleeve frame, both ends of fixed box bottom are all fixedly connected with flow guide pipe, one side of flow guide pipe is fixedly connected with mounting flange, the side of pump body is detachably installed with mounting flange through bolt, the inside bottom of fixed box is fixedly connected with partition, the partition is located between both sides flow guide pipe.
[0006] Wherein, the filter assembly includes a fixed cover, the top of the fixed cover is fixedly connected with a fixed handle, the bottom of the fixed cover is fixedly connected with a fixed block, the fixed cover is detachably installed on the top of the support sleeve frame through a bolt, a flow groove is formed on one side of the fixed block, the fixed block is embeddedly installed in the inside of the support sleeve frame and the fixed box, a filter screen is fixedly connected to the side and the bottom of the fixed block, a magnet block is fixedly connected to one side of the inside of the fixed block, the inclined surface on one side of the filter screen corresponds to the partition.
[0007] Wherein, the pump body includes a base block, the top of the base block is fixedly connected with a pump shell, one side of the pump shell is fixedly connected with a water inlet pipe, the top of the pump shell is fixedly connected with a water outlet pipe, one side of the pump shell away from the water inlet pipe is fixedly connected with an isolation cover, the isolation cover is sleevedly installed in the inside of the support frame, an impeller is rotatably installed in the inside of the pump shell.
[0008] Wherein, an active groove is formed on one side of the inside of the pump shell close to the water inlet pipe, a second magnet ring is fixedly sleeved to the upper and lower ends of the inside of the active groove, a static ring is embeddedly installed to the lower end of the pump shell.
[0009] Wherein, a first magnet ring is fixedly connected to one side of the impeller, a dynamic ring is fixedly connected to one side of the impeller, the first magnet ring is rotatably installed in the inside of the active groove, the positions of the static ring and the dynamic ring correspond to each other, the magnetic pole on one side of the second magnet ring close to the first magnet ring is same as that of the first magnet ring.
[0010] The technical effects and advantages of the utility model are as follows:
[0011] In the above scheme, the impeller rotates, the magnetic pole on one side of the second magnet ring close to the first magnet ring is same as that of the first magnet ring, and the principle that the magnetic poles of the same level repel each other is used, and the smaller the distance between the magnetic poles is, the greater the repulsion force is, so that the stability of the impeller during operation is maintained, the noise generated during operation is reduced, and the service life of the magnetic drive pump is improved.
[0012] When the liquid contains the microparticles, the liquid flows from the flow guide pipe at one end of the fixed box, passes through the inside of the fixed box, the ferromagnetic microparticles in the liquid are adsorbed by the magnet block and stay on the surface of the magnet block, the rest microparticles in the liquid pass through the filter screen and are intercepted by the filter screen and stay in the inside of the filter screen, the liquid flows from the flow guide pipe at the other end of the fixed box into the inside of the pump shell, the liquid entering the inside of the magnetic drive pump is filtered, so that the inside of the magnetic drive pump is prevented from being blocked, and meanwhile, the ferromagnetic microparticles are prevented from being adsorbed to the inside of the magnetic drive pump and affecting the operation of the magnetic drive pump. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is an overall structure schematic view of the utility model;
[0014] Figure 2 It is a flow guide device structure schematic view of the utility model;
[0015] Figure 3 It is a filter assembly structure schematic view of the utility model;
[0016] Figure 4 It is a pump body structure schematic view of the utility model;
[0017] Figure 5 It is a structure schematic view of A of the utility model.
[0018] The figure signs are: 1, driving motor; 2, support frame; 3, pump body; 4, flow guide device; 5, filter assembly; 31, base block; 32, water inlet pipe; 33, pump shell; 34, water outlet pipe; 35, isolation cover; 37, impeller; 38, first magnet ring; 39, moving ring; 310, static ring; 311, movable groove; 312, second magnet ring; 41, fixed box; 42, support sleeve frame; 43, partition plate; 44, flow guide pipe; 45, mounting flange; 51, fixed cover; 52, fixed handle; 53, fixed block; 54, flow groove; 55, filter screen; 56, magnet block. DETAILED DESCRIPTION
[0019] In order to make the technical problems, technical schemes and advantages to be solved by the utility model more clear, the following will be described in detail in combination with the drawings and specific embodiments.
[0020] As the drawings Figure 1 to the drawings Figure 3The utility model discloses an embodiment provides a kind of stainless steel explosion-proof magnetic force pump, including drive motor 1, the side of drive motor 1 is connected with support frame 2 by bolt, one side of support frame 2 is fixedly connected with pump body 3 by bolt, the side of pump body 3 is fixedly connected with flow guide device 4 by bolt, the inside of flow guide device 4 is fixedly connected with filter assembly 5 by bolt;Flow guide device 4 includes fixed box 41, one end of the top of fixed box 41 is fixedly connected with support sleeve frame 42, the both ends of the bottom of fixed box 41 are all fixedly connected with flow guide pipe 44, one side of flow guide pipe 44 is fixedly connected with mounting flange 45, and mounting flange 45 is detachably installed with the side of pump body 3 by bolt, the inside bottom end of fixed box 41 is fixedly connected with partition plate 43, and partition plate 43 is located between the flow guide pipe 44 of both sides.
[0021] Through mounting flange 45, flow guide device 4 is detachably installed in the side of pump body 3, to facilitate the maintenance of later period.
[0022] As shown in the accompanying Figure 3 , filter assembly 5 includes fixed cover 51, the top of fixed cover 51 is fixedly connected with fixed handle 52, the bottom of fixed cover 51 is fixedly connected with fixed block 53, and fixed cover 51 is detachably installed at the top of support sleeve frame 42 by bolt, flow groove 54 is formed in one side of fixed block 53, and fixed block 53 is embeddedly installed in the inside of support sleeve frame 42 and fixed box 41, filter screen 55 is fixedly connected with the side and bottom of fixed block 53, magnet block 56 is fixedly connected with one side in the inside of fixed block 53, and the inclined surface of one side of filter screen 55 corresponds with partition plate 43.
[0023] The inclined surface of the side of filter screen 55 is attached to one side of partition plate 43, so that impurities pass through the inclined surface of filter screen 55 and slide into the inside of filter screen 55.
[0024] Magnet block 56 is used to adsorb ferromagnetic particles in liquid, so that the ferromagnetic particles are adsorbed on the surface of magnet block 56, avoiding the ferromagnetic particles to stay at the bottom of filter screen 55 and affect the delivery of liquid.
[0025] As shown in the accompanying Figures 4-5 , pump body 3 includes base block 31, the top of base block 31 is fixedly connected with pump shell 33, one side of pump shell 33 is fixedly connected with water inlet pipe 32, the top of pump shell 33 is fixedly connected with water outlet pipe 34, one side of pump shell 33 away from water inlet pipe 32 is fixedly connected with isolation cover 35, isolation cover 35 is sleevedly installed in the inside of support frame 2, impeller 37 is rotatably installed in the inside of isolation cover 35.
[0026] The pump shell 33 is internally provided with a movable groove 311 near one side of the water inlet pipe 32, and the upper and lower ends of the movable groove 311 are fixedly sleeved with second magnet rings 312; and the lower end of the pump shell 33 is embeddedly connected with a static ring 310.
[0027] The impeller 37 is fixedly connected with a first magnet ring 38 on one side, and a dynamic ring 39 on the other side, the first magnet ring 38 is rotatably installed in the movable groove 311, the static ring 310 corresponds to the dynamic ring 39, and the second magnet ring 312 on the side close to the first magnet ring 38 has the same magnetic pole as the first magnet ring 38.
[0028] The first magnet ring 38 is located in the middle of the upper and lower ends, and the same magnetic pole repels each other, and the smaller the distance between the magnetic poles, the greater the repulsive force, so that the impeller 37 is balanced during rotation, and the impeller 37 operates stably.
[0029] The working process of the utility model is as follows:
[0030] The liquid enters the inside of the fixed box 41 through the flow guide pipe 44, and then enters the inside of the pump shell 33 through the flow guide pipe 44 at the other end, and the isolation cover 35 is operated by the driving motor 1, the impeller 37 rotates, the side close to the first magnet ring 38 of the second magnet ring 312 has the same magnetic pole as the first magnet ring 38, and the same magnetic pole repels each other, and the smaller the distance between the magnetic poles, the greater the repulsive force, so that the stability of the impeller 37 during operation is maintained, the noise generated during operation is reduced, and the service life of the magnetic pump is improved.
[0031] When the liquid contains particles, the liquid enters the inside of the fixed box 41 through the flow guide pipe 44 at one end of the fixed box 41, the ferromagnetic particles in the liquid are adsorbed by the magnet block 56 and stay on the surface of the magnet block 56, the remaining particles in the liquid pass through the filter screen 55 and are intercepted by the filter screen 55 and stay in the inside of the filter screen 55, and the liquid enters the inside of the pump shell 33 through the flow guide pipe 44 at the other end of the fixed box 41.
[0032] After use, the bolts in the fixed cover 51 are disassembled, the fixed block 53 is taken out from the inside of the support sleeve frame 42, and the filter screen 55 and the magnet block 56 are cleaned.
[0033] Finally should be explained a few points is: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;
[0034] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;
[0035] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A stainless steel explosion-proof magnetic drive pump, comprising a driving motor (1), the side of the driving motor (1) is connected with a support frame (2) through bolts, one side of the support frame (2) is fixedly connected with a pump body (3), characterized in that, The side of the pump body (3) is fixedly connected with a flow guide device (4) through bolts, and the inside of the flow guide device (4) is fixedly connected with a filter assembly (5) through bolts; The flow guide device (4) comprises a fixed box (41), one end of the top of the fixed box (41) is fixedly connected with a support sleeve frame (42), both ends of the bottom of the fixed box (41) are fixedly connected with flow guide pipes (44), one side of the flow guide pipe (44) is fixedly connected with a mounting flange (45), the mounting flange (45) is detachably mounted on one side of the pump body (3) through bolts, and the inside of the bottom of the fixed box (41) is fixedly connected with a partition plate (43), the partition plate (43) is located between the two flow guide pipes (44).
2. The stainless steel explosion-proof magnetic drive pump of claim 1, wherein, The filter assembly (5) comprises a fixed cover (51), the top of the fixed cover (51) is fixedly connected with a fixed handle (52), the bottom of the fixed cover (51) is fixedly connected with a fixed block (53), the fixed cover (51) is detachably mounted on the top of the support sleeve frame (42) through bolts, one side of the fixed block (53) is provided with a flow groove (54), the fixed block (53) is embeddedly installed in the inside of the support sleeve frame (42) and the fixed box (41), the side and the bottom of the fixed block (53) are fixedly connected with a filter screen (55), one side of the inside of the fixed block (53) is fixedly connected with a magnet block (56), and the inclined surface of one side of the filter screen (55) corresponds to the partition plate (43).
3. The stainless steel explosion-proof magnetic drive pump of claim 1, wherein, The pump body (3) comprises a base block (31), the top of the base block (31) is fixedly connected with a pump shell (33), one side of the pump shell (33) is fixedly connected with a water inlet pipe (32), the top of the pump shell (33) is fixedly connected with a water outlet pipe (34), one side of the pump shell (33) away from the water inlet pipe (32) is fixedly connected with an isolation cover (35), the isolation cover (35) is sleevedly installed in the inside of the support frame (2), and the inside of the isolation cover (35) is rotatably installed with an impeller (37).
4. The stainless steel explosion-proof magnetic drive pump of claim 3, wherein, One side of the inside of the pump shell (33) close to the water inlet pipe (32) is provided with a movable groove (311), and the upper end and the lower end of the inside of the movable groove (311) are fixedly sleeved with second magnet rings (312).
5. The stainless steel explosion-proof magnetic drive pump of claim 4, wherein, One side of the impeller (37) is fixedly connected with a first magnet ring (38), one side of the impeller (37) is fixedly connected with a movable ring (39), the first magnet ring (38) is rotatably installed in the inside of the movable groove (311), the position of the static ring (310) corresponds to the position of the movable ring (39), and the side of the second magnet ring (312) close to the first magnet ring (38) has the same magnetic pole as the first magnet ring (38).