High-strength wear-resistant corrosion-resistant magnetic drive pump
By introducing a quick-release structure for the clamping unit and drive unit into the magnetic pump, the problem of excessive maintenance time after impeller wear is solved, enabling rapid disassembly and installation, reducing operational errors, and improving the maintenance efficiency and sealing performance of the magnetic pump.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-03-24
AI Technical Summary
Existing high-strength, wear-resistant, and corrosion-resistant magnetic pumps require the disassembly of multiple components such as flanges, bolts, and seals after impeller wear, resulting in excessively long maintenance time and increased downtime for the magnetic pump.
A disassembly and assembly structure including a mounting unit and a drive unit was designed. Through the quick engagement mechanism of the locking rod and the locking slot, combined with the automatic reset of the spring and the precise docking of the positioning column, the quick disassembly and installation between the bracket housing and the impeller housing can be achieved.
It significantly shortens maintenance time, reduces downtime losses, improves the stability and efficiency of the disassembly and assembly process, and ensures the high sealing performance and structural reliability of the magnetic pump.
Smart Images

Figure CN224032782U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to magnetic force pump technical field, concretely is a kind of high-strength wear-resistant corrosion-resistant magnetic force pump. BACKGROUND
[0002] Magnetic drive pump (referred to as magnetic force pump) is the working principle of permanent magnet coupling applied to the new product of centrifugal pump, design is reasonable, advanced technology, with full seal, no leakage and other characteristics.
[0003] According to the patent name: a magnetic force pump (patent publication number: CN215805229U, patent publication date: 2022-02-11), including drive motor, pump shell, impeller, pump shaft, inner magnetic rotor and outer magnetic rotor, the impeller, pump shaft and inner magnetic rotor are all installed in the pump shell body, the impeller and inner magnetic rotor are all with the pump shaft transmission connection, the outer magnetic rotor the drive motor transmission connection, the pump shell with the motor fixed connection;The pump shell includes pump cover and cover, the pump cover includes cover body and a plurality of first reinforcing ribs, the cover body is also respectively provided with liquid inlet and liquid outlet, the first reinforcing rib is radially arranged on the cover body with the liquid inlet as base point, and the first reinforcing rib is fixedly connected with the cover body, at least one second reinforcing rib is arranged on the end face of the cover body, the second reinforcing rib is annular, the second reinforcing rib and the first reinforcing rib are all intersected, and the second reinforcing rib is fixedly connected with the cover body;The magnetic force pump has the advantages of reasonable structure and high reliability.
[0004] And based on the above prior art, the existing high-strength wear-resistant corrosion-resistant magnetic force pump still has the following problems: the impeller of the existing high-strength wear-resistant corrosion-resistant magnetic force pump needs to be disassembled flange, bolt, sealing element and other components after wear, the maintenance time is too long, and the downtime of the magnetic force pump is increased, therefore, the utility model provides a kind of high-strength wear-resistant corrosion-resistant magnetic force pump. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a kind of high-strength wear-resistant corrosion-resistant magnetic force pump, solves the following problems of the existing high-strength wear-resistant corrosion-resistant magnetic force pump: the impeller of the existing high-strength wear-resistant corrosion-resistant magnetic force pump needs to be disassembled flange, bolt, sealing element and other components after wear, the maintenance time is too long, and the downtime of the magnetic force pump is increased.
[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of high-strength wear-resistant corrosion-resistant magnetic force pump, including motor, the one end of the motor is fixedly installed with bracket shell, the one end of the bracket shell is fixedly installed with impeller shell, the surface of the bracket shell is provided with dismounting unit for realizing the quick dismounting between bracket shell and impeller shell, and the dismounting unit includes:
[0007] The clamping unit is arranged outside the support shell and comprises three groups of connecting seats fixedly arranged in a circumferential array on the surface of the support shell, the connecting seats are rotatably arranged with clamping rods, and the outer ring of the impeller shell is circumferentially arranged with three groups of clamping grooves, and one end of the clamping rod is clamped in the clamping groove, so that the support shell and the impeller shell can be quickly disassembled.
[0008] The driving unit is arranged outside the support shell and is used for driving the clamping unit to operate.
[0009] Preferably, the impeller shell comprises three groups of fixing seats fixedly arranged in a circumferential array, and the outer side of the fixing seat is fixedly arranged with a limiting column, the surface of the limiting column is arranged with a spring, the inner part of the clamping rod is arranged with a waist groove, and the limiting column is slidably arranged in the waist groove.
[0010] Preferably, one end of the support shell is circumferentially arranged with a plurality of positioning columns, and the positioning column is inserted into the through groove of the outer ring protruding block of the impeller shell, so as to realize the precise butt joint between the support shell and the impeller shell.
[0011] Preferably, the driving unit comprises a moving sleeve slidably arranged on the surface of the support shell, and the surface of the moving sleeve is circumferentially arranged with three groups of extrusion blocks, the extrusion blocks are in contact with one end of the clamping rod, the surface of the support shell is rotatably arranged with a threaded rotating sleeve, and the threaded rotating sleeve is threadedly arranged on the surface of the moving sleeve, so that the threaded rotating sleeve is rotated to realize the linear sliding of the moving sleeve.
[0012] Preferably, the inner part of the moving sleeve is arranged with a rectangular groove, the surface of the support shell is fixedly arranged with two limiting blocks symmetrically arranged in front and back, and the limiting blocks are slidably arranged in the rectangular groove, so as to limit the movement of the moving sleeve.
[0013] Preferably, the upper part of the threaded rotating sleeve is threadedly arranged with a threaded knob, the threaded knob is rotated to extrude the surface of the support shell at the lower end of the threaded knob, so that the position of the threaded knob is fixed.
[0014] The utility model provides a kind of high-strength wear-resistant corrosion-resistant magnetic drive pump.Compared with prior art, it has the following beneficial effects:
[0015] 1, the high-strength wear-resistant corrosion-resistant magnetic drive pump, linearly moves by rotating threaded rotating sleeve to drive moving sleeve, moving sleeve drives three extrusion blocks to move synchronously, extrusion block is contacted with clamping rod to drive clamping rod to rotate, one end of clamping rod is clamped into the inner part of clamping groove, to realize the quick installation and disassembly between support shell and impeller shell, to shorten maintenance time, reduce the downtime of magnetic drive pump.
[0016] 2. The high-strength wear-resistant and corrosion-resistant magnetic pump, through the cooperation of the positioning column and the convex block through groove of the impeller shell outer ring, realizes the precise butt joint between the support shell and the impeller shell, and the elastic driving clamping rod is automatically reset in combination with the spring, further improves the stability and efficiency of the disassembly process, reduces the steps of manual adjustment, reduces the operation error, and thus ensures that the magnetic pump maintains high sealing performance and structural reliability in long-term use. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a right view perspective structure diagram of the utility model;
[0018] Figure 2 is a partial right view perspective structure diagram of the utility model;
[0019] Figure 3 is a drive unit perspective structure diagram of the utility model;
[0020] Figure 4 is a drive unit sectional perspective structure diagram of the utility model.
[0021] In the figure: 1-motor, 2-disassembly unit, 21-clamping unit, 211-connection seat, 212-clamping rod, 213-waist groove, 214-fixing seat, 215-limiting column, 216-clamping groove, 217-positioning column, 218-spring, 22-driving unit, 221-moving sleeve, 222-threaded sleeve, 223-rectangular groove, 224-limiting block, 225-extrusion block, 226-threaded knob, 3-support shell, 4-impeller shell. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:
[0024] A high-strength wear-resistant and corrosion-resistant magnetic pump, comprising a motor 1, one end of the motor 1 is fixedly installed with a support shell 3, one end of the support shell 3 is fixedly installed with an impeller shell 4, the surface of the support shell 3 is provided with a disassembly unit 2 for realizing the quick disassembly between the support shell 3 and the impeller shell 4, the disassembly unit 2 comprises:
[0025] The clamping unit 21 is arranged outside the support shell 3 and includes three groups of connecting seats 211 fixedly arranged in a circumferential array on the surface of the support shell 3. The connecting seat 211 is rotatably arranged with a clamping rod 212. The outer ring of the impeller shell 4 is circumferentially arranged with three groups of clamping grooves 216. One end of the clamping rod 212 is clamped with the clamping groove 216, so as to realize the quick disassembly between the support shell 3 and the impeller shell 4.
[0026] The driving unit 22 is arranged outside the support shell 3 and is used to drive the clamping unit 21 to operate.
[0027] Through the cooperation of the clamping unit 21 and the driving unit 22, the quick clamping mechanism of the clamping rod 212 and the clamping groove 216 is utilized to realize the quick disassembly of the support shell 3 and the impeller shell 4. The complicated steps required by the traditional magnetic pump due to the disassembly of the flange, bolt and other components are significantly reduced, the maintenance time is greatly shortened, and the downtime loss is reduced.
[0028] In the embodiment, the impeller shell 4 includes three groups of fixing seats 214 fixedly arranged in a circumferential array. The outer side of the fixing seat 214 is fixedly arranged with a limiting column 215. The surface of the limiting column 215 is arranged with a spring 218. The inner part of the clamping rod 212 is arranged with a waist groove 213. The limiting column 215 is slidably arranged in the inner part of the waist groove 213. The clamping rod 212 is pushed by the elastic force of the spring 218 to realize the reset of the clamping rod 212.
[0029] The waist groove 213 is arranged in the inner part of the clamping rod 212. The elastic force of the limiting column 215 and the spring 218 drives the clamping rod 212 to automatically reset after disassembly, improves the continuity and stability of the operation, reduces the manual intervention, and reduces the risk of sealing failure caused by reset deviation.
[0030] In the embodiment, one end of the support shell 3 is circumferentially arranged with a plurality of positioning columns 217. The positioning column 217 is inserted into the through groove of the outer ring protruding block of the impeller shell 4 to realize the precise butt joint between the support shell 3 and the impeller shell 4.
[0031] Through the precise cooperation of the positioning column 217 and the through groove of the outer ring protruding block of the impeller shell 4, the installation and alignment accuracy of the support shell 3 and the impeller shell 4 is ensured.
[0032] In the embodiment, the driving unit 22 includes a moving sleeve 221 slidably arranged on the surface of the support shell 3. The surface of the moving sleeve 221 is circumferentially arranged with three groups of extrusion blocks 225. One end of the extrusion block 225 is in contact with the clamping rod 212. The surface of the support shell 3 is rotatably arranged with a threaded rotating sleeve 222. The threaded rotating sleeve 222 is threadedly arranged on the surface of the moving sleeve 221. The linear sliding of the moving sleeve 221 is realized by the rotation of the threaded rotating sleeve 222.
[0033] The driving unit 22 is designed in threaded cooperation of the threaded rotating sleeve 222 and the moving sleeve 221, the linear movement of the extruding block 225 can be controlled by rotating the threaded rotating sleeve 222, the synchronous driving of the clamping rod 212 is realized, the operation process is simplified, the disassembly and assembly efficiency is improved, and the uniformity of stress is ensured.
[0034] In the embodiment, the rectangular groove 223 is arranged in the moving sleeve 221, the two limiting blocks 224 are symmetrically and fixedly installed on the surface of the bracket shell 3, and the limiting blocks 224 slide in the rectangular groove 223, so that the movement of the moving sleeve 221 is limited.
[0035] The sliding cooperation of the rectangular groove 223 in the moving sleeve 221 and the limiting block 224 strictly limits the movement track of the moving sleeve 221, prevents the deflection or jamming of the moving sleeve 221, ensures the linear stability of the driving process, and avoids the component wear or operation failure caused by mechanical interference.
[0036] In the embodiment, the threaded rotating knob 226 is installed on the upper side of the threaded rotating sleeve 222 in a threaded mode, the position of the threaded rotating knob 226 is fixed by rotating the threaded rotating knob 226 to extrude the surface of the bracket shell 3.
[0037] The threaded rotating knob 226 is designed to fix the position of the threaded rotating sleeve 222 in a threaded fastening mode, effectively prevents the loosening of the threaded rotating sleeve 222 caused by vibration during the operation of the magnetic drive pump, enhances the locking reliability of the driving unit 22, and guarantees the long-term stability of the clamping structure.
[0038] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.
[0039] In work, first, the bracket shell 3 is connected with the impeller shell 4 by inserting the positioning column 217 into the convex block through groove in the impeller shell 4, the user rotates the threaded rotating sleeve 222 to drive the linear movement of the moving sleeve 221, the moving sleeve 221 drives the synchronous movement of the three extruding blocks 225, the extruding blocks 225 contact with the clamping rod 212 to drive the rotation of the clamping rod 212, one end of the clamping rod 212 is clamped into the inside of the clamping groove 216, the threaded rotating knob 226 is extruded on the surface of the bracket shell 3 by rotating the threaded rotating knob 226, the position of the threaded rotating sleeve 222 is fixed, and the installation between the bracket shell 3 and the impeller shell 4 is realized.
[0040] Then, the position of the threaded rotating sleeve 222 is fixed by reversing the threaded rotating knob 226, the moving sleeve 221 is reversely linearly moved by reversing the threaded rotating sleeve 222, and the clamping rod 212 is moved by the elastic force of the spring 218, so that the clamping between the clamping rod 212 and the clamping groove 216 is released, and the disassembly between the bracket shell 3 and the impeller shell 4 is completed.
[0041] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0042] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A high-strength, wear-resistant, and corrosion-resistant magnetic pump, comprising a motor (1), wherein a bracket housing (3) is fixedly mounted on one end of the motor (1), and an impeller housing (4) is fixedly mounted on one end of the bracket housing (3), characterized in that: The surface of the support housing (3) is provided with a disassembly unit (2) for quick disassembly between the support housing (3) and the impeller housing (4). The disassembly unit (2) includes: The mounting unit (21) is located outside the support shell (3) and includes three sets of connecting seats (211) fixedly mounted on the surface of the support shell (3) in a circumferential array. A locking rod (212) is rotatably mounted inside the connecting seat (211), and three sets of locking slots (216) are opened in the outer circumferential array of the impeller shell (4). One end of the locking rod (212) is locked with the locking slot (216) to realize quick disassembly between the support shell (3) and the impeller shell (4). The drive unit (22) is located outside the bracket housing (3) and is used to drive the mounting unit (21) to operate.
2. The high-strength, wear-resistant, and corrosion-resistant magnetic pump according to claim 1, characterized in that: The impeller housing (4) includes three sets of fixed seats (214) fixedly installed in a circumferential array. A limit post (215) is fixedly installed on the outside of the fixed seat (214). A spring (218) is installed on the surface of the limit post (215). A waist groove (213) is opened inside the locking rod (212). The limit post (215) slides inside the waist groove (213). The locking rod (212) is pushed by the elastic force of the spring (218) to realize the reset of the locking rod (212).
3. The high-strength, wear-resistant, and corrosion-resistant magnetic pump according to claim 1, characterized in that: A number of positioning posts (217) are fixedly installed in a circular array at one end of the support shell (3), and the positioning posts (217) are inserted into the through groove of the outer ring protrusion of the impeller shell (4) to achieve precise docking between the support shell (3) and the impeller shell (4).
4. A high-strength, wear-resistant, and corrosion-resistant magnetic pump according to claim 1, characterized in that: The drive unit (22) includes a movable sleeve (221) that is slidably mounted on the surface of the bracket housing (3), and three sets of extrusion blocks (225) are arranged in a circumferential array on the surface of the movable sleeve (221). The extrusion blocks (225) are in contact with one end of the clamping rod (212), and a threaded rotating sleeve (222) is rotatably mounted on the surface of the bracket housing (3). The threaded rotating sleeve (222) is threaded onto the surface of the movable sleeve (221), and the linear sliding of the movable sleeve (221) is achieved by rotating the threaded rotating sleeve (222).
5. A high-strength, wear-resistant, and corrosion-resistant magnetic pump according to claim 4, characterized in that: The movable sleeve (221) has a rectangular groove (223) inside. Two limiting blocks (224) are symmetrically fixed on the surface of the support shell (3), and the limiting blocks (224) slide inside the rectangular groove (223) to limit the movement of the movable sleeve (221).
6. A high-strength, wear-resistant, and corrosion-resistant magnetic pump according to claim 4, characterized in that: The threaded rotating sleeve (222) has a threaded knob (226) installed on its upper thread. By rotating the threaded knob (226), the lower end of the threaded knob (226) presses against the surface of the bracket shell (3) to fix the position of the threaded knob (226).
Citation Information
Patent Citations
Magnetic drive pump
CN215805229U