Multidirectional controllable magnetic drive pump impeller rotor
By using the insertion design of the drive shaft sleeve, isolation sleeve, and isolation cover, the problem of unstable connection of the magnetic pump impeller rotor is solved, achieving stable transmission and auxiliary material feeding, and improving the sealing performance and strength of the impeller.
Patent Information
- Application Number
- CN202422721211.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The existing magnetic pump impeller rotor is connected by a main shaft drive, which requires high sealing and strength, and is not convenient for stable connection and auxiliary material feeding.
The design employs a drive shaft sleeve, isolation sleeve, and isolation cover. The drive shaft and magnetic drive are stably connected through drive flat gear insertion and screw fixing. An auxiliary actuating frame is set inside the impeller body to facilitate material feeding operation.
This achieves a stable connection between the drive shaft and the magnetic drive, reduces the liquid pressure in the middle of the impeller, and improves the stability and material feeding efficiency of the impeller.
Smart Images

Figure CN223498231U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of magnetic pump technology, specifically to a multi-directional controllable magnetic pump impeller rotor. Background Technology
[0002] Plastic acid and alkali resistant magnetic pumps (magnetically driven pumps) are mainly composed of several parts, including the pump head, magnetic drive (magnetic cylinder), motor, and connecting base plate. The magnetic drive of the magnetic pump consists of an outer magnetic rotor, an inner magnetic rotor, and a non-magnetic isolation sleeve. When the motor drives the outer magnetic rotor to rotate, the magnetic field can penetrate the air gap and non-magnetic materials, driving the inner magnetic rotor connected to the impeller to rotate synchronously, realizing contactless synchronous power transmission and transforming the easily leaking dynamic sealing structure into a zero-leakage static sealing structure.
[0003] Existing magnetic pump impeller rotors are driven by a main shaft, which requires high sealing and strength from the main shaft and is not convenient for stable connection of the impeller and auxiliary material feeding. Therefore, it does not meet the current requirements. To address this, we propose a multi-directional controllable magnetic pump impeller rotor. Utility Model Content
[0004] The purpose of this invention is to provide a multi-directional controllable magnetic pump impeller rotor to solve the problems mentioned in the background art, where the existing magnetic pump impeller rotor is connected by a main shaft drive, which requires high sealing and strength of the main shaft and is not convenient for stable connection of the impeller and auxiliary material feeding.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-directional controllable magnetic pump impeller rotor, comprising a drive shaft, a drive shaft sleeve installed on the outer side of the middle part of the drive shaft, a magnetic drive unit installed on the outer side of the drive shaft sleeve, the magnetic drive unit comprising an isolation sleeve, an isolation cover installed at one end of the isolation sleeve, a magnet mounting seat installed between the isolation sleeve and the isolation cover, a magnet limiting plate installed at one end of the magnet mounting seat, a plurality of first outer ring magnets and second outer ring magnets installed between the magnet mounting seat and the magnet limiting plate, and a plurality of first inner ring magnets and second inner ring magnets installed on the inner side of the plurality of first outer ring magnets and second outer ring magnets;
[0006] An impeller body is mounted on one end of the drive shaft, and a connecting assembly is installed between the drive shaft and the impeller body. The connecting assembly includes a positioning sleeve, a transmission block is mounted on one end of the positioning sleeve, and an arc-shaped cover is mounted on one end of the transmission block.
[0007] Preferably, both ends of the transmission shaft sleeve are provided with multiple transmission flat teeth. The transmission shaft sleeve is installed by inserting multiple transmission flat teeth into the isolation sleeve and the isolation cover. The transmission shaft sleeve is fixedly connected to the transmission shaft. The transmission shaft is connected to the isolation sleeve and the isolation cover by transmission through the transmission shaft sleeve. The isolation sleeve and the isolation cover are fixedly connected by screws.
[0008] Preferably, an auxiliary actuating frame is fixedly installed on the inner side of the impeller body, and the outer surface of the auxiliary actuating frame is provided with multiple actuating inclined plates. The auxiliary actuating frame and the multiple actuating inclined plates are integrally cast.
[0009] Preferably, the plurality of first outer ring magnets, second outer ring magnets, first inner ring magnets and second inner ring magnets are all arranged in a circular arrangement relative to the axis of the drive shaft, the plurality of first outer ring magnets and second outer ring magnets are arranged alternately, and the plurality of first inner ring magnets and second inner ring magnets are arranged alternately.
[0010] Preferably, both ends of the positioning sleeve are connected to the drive shaft and the drive block by flat keys, the middle part of the arc-shaped cover passes through the drive block and is inserted into the inner side of the drive shaft, the arc-shaped cover is connected to the drive shaft by threads, and the arc-shaped cover is fixed to the auxiliary actuation frame by screws.
[0011] Preferably, the middle part of the impeller body is inserted between the transmission block and the arc-shaped cover and welded to the transmission block, and the impeller body and the magnet mounting base have the same rotation direction.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This utility model covers the outer side of the magnet mounting base and the magnet limiting plate with an isolation sleeve and an isolation cover, and installs them with the two ends of the transmission shaft sleeve through multiple transmission flat teeth. This keeps the connection between the transmission shaft and the isolation sleeve and the isolation cover stable. The isolation sleeve and isolation cover can isolate the first outer ring magnet, the second outer ring magnet, the first inner ring magnet, and the second inner ring magnet. By fixing the arc-shaped cover to the transmission block, it is easy to keep the arc-shaped cover stably locked to the middle of the impeller body.
[0014] 2. This utility model enables the transmission shaft to drive the magnetic drive and the impeller body to rotate synchronously through the transmission shaft sleeve and connecting assembly. In turn, the impeller body can pressurize and transport the liquid. An auxiliary actuating frame is fixed between the impeller body and the arc-shaped cover. The outer surface of the auxiliary actuating frame is provided with multiple actuating inclined plates. When the impeller body drives the multiple actuating inclined plates to rotate through the auxiliary actuating frame, the actuating inclined plates can reduce the liquid pressure in the middle of the impeller body, thereby realizing the auxiliary feeding operation. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a side view of the entire utility model;
[0017] Figure 3This is a cross-sectional structural diagram of the isolation sleeve of this utility model;
[0018] Figure 4 This is a cross-sectional structural diagram of the entire utility model;
[0019] Figure 5 This is an exploded structural diagram of the magnet mounting base of this utility model.
[0020] In the diagram: 1. Drive shaft; 2. Isolation sleeve; 3. Isolation cover; 4. Impeller body; 5. Auxiliary actuation frame; 6. Arc-shaped cover; 7. Magnet mounting base; 8. First outer ring magnet; 9. Second outer ring magnet; 10. First inner ring magnet; 11. Second inner ring magnet; 12. Drive shaft sleeve; 13. Magnet limiting plate; 14. Positioning sleeve; 15. Drive block; 16. Drive flat gear. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Please see Figures 1 to 5 The present invention provides an embodiment of a multi-directional controllable magnetic pump impeller rotor, comprising a drive shaft 1, a drive shaft sleeve 12 mounted on the outer side of the middle of the drive shaft 1, a magnetic actuator mounted on the outer side of the drive shaft sleeve 12, the magnetic actuator comprising an isolation sleeve 2, an isolation cover 3 mounted on one end of the isolation sleeve 2, and multiple drive flat teeth 16 provided at both ends of the drive shaft sleeve 12. The drive shaft sleeve 12 is connected to the isolation sleeve 2 and the isolation cover 3 by inserting the multiple drive flat teeth 16. The drive shaft sleeve 12 is fixedly connected to the drive shaft 1, the drive shaft 1 is connected to the isolation sleeve 2 and the isolation cover 3 by drive shaft sleeve 12, and the isolation sleeve 2 and the isolation cover 3 are fixedly connected by screws. The isolation sleeve 2 and the isolation cover 3 can isolate the first outer ring magnet 8, the second outer ring magnet 9, the first inner ring magnet 10 and the second inner ring magnet 11.
[0023] A magnet mounting base 7 is installed between the isolation sleeve 2 and the isolation cover 3. A magnet limiting plate 13 is installed at one end of the magnet mounting base 7. Multiple first outer ring magnets 8 and second outer ring magnets 9 are installed between the magnet mounting base 7 and the magnet limiting plate 13. Multiple first inner ring magnets 10 and second inner ring magnets 11 are installed inside the multiple first outer ring magnets 8 and second outer ring magnets 9. The multiple first outer ring magnets 8, second outer ring magnets 9, first inner ring magnets 10 and second inner ring magnets 11 are all arranged in a circle relative to the axis of the transmission shaft 1. The multiple first outer ring magnets 8 and second outer ring magnets 9 are arranged alternately, and the multiple first inner ring magnets 10 and second inner ring magnets 11 are arranged alternately. The magnet mounting base 7 and the magnet limiting plate 13 facilitate the covering and fixing of the multiple first outer ring magnets 8, second outer ring magnets 9, first inner ring magnets 10 and second inner ring magnets 11.
[0024] Please see Figures 1 to 4 One end of the drive shaft 1 is equipped with an impeller body 4. A connecting assembly is installed between the drive shaft 1 and the impeller body 4. An auxiliary actuating frame 5 is fixedly installed on the inner side of the impeller body 4. The outer surface of the auxiliary actuating frame 5 is provided with multiple actuating inclined plates. The auxiliary actuating frame 5 and the multiple actuating inclined plates are integrally cast. The middle part of the impeller body 4 is inserted between the drive block 15 and the arc-shaped cover 6 and welded to the drive block 15. The impeller body 4 and the magnet mounting base 7 rotate in the same direction. The drive shaft 1 can drive the impeller body 4 and the magnet mounting base 7 to rotate synchronously through the connecting assembly.
[0025] The connecting assembly includes a positioning sleeve 14, a transmission block 15 is installed at one end of the positioning sleeve 14, and an arc-shaped cover 6 is installed at one end of the transmission block 15. Both ends of the positioning sleeve 14 are connected to the transmission shaft 1 and the transmission block 15 by flat keys. The middle part of the arc-shaped cover 6 passes through the transmission block 15 and is inserted into the inner side of the transmission shaft 1. The arc-shaped cover 6 is connected to the transmission shaft 1 by threads. The arc-shaped cover 6 is fixed to the auxiliary actuating frame 5 by screws. When the auxiliary actuating frame 5 drives multiple actuating inclined plates to rotate, the actuating inclined plates can reduce the liquid pressure in the middle of the impeller body 4, thereby realizing the auxiliary material feeding operation.
[0026] In use, the magnet mounting base 7 and the magnet limiting plate 13 cover and install multiple first outer ring magnets 8, second outer ring magnets 9, first inner ring magnets 10 and second inner ring magnets 11, so that the multiple first outer ring magnets 8 and second outer ring magnets 9, as well as the first inner ring magnets 10 and second inner ring magnets 11, are arranged alternately. The isolation sleeve 2 and the isolation cover 3 are covered on the outside of the magnet mounting base 7 and the magnet limiting plate 13 and are installed by inserting multiple transmission flat teeth 16 into both ends of the transmission shaft sleeve 12, thereby maintaining the stable connection between the transmission shaft 1 and the isolation sleeve 2 and the isolation cover 3 through the transmission shaft sleeve 12, and isolating the first outer ring magnets 8, second outer ring magnets 9, first inner ring magnets 10 and second inner ring magnets 11 through the isolation sleeve 2 and the isolation cover 3.
[0027] A connecting assembly is installed at one end of the drive shaft 1, wherein one end of the arc-shaped cover 6 passes through the drive block 15 and is connected to the drive shaft 1 by a thread. Both ends of the positioning sleeve 14 are connected to the drive shaft 1 and the drive block 15 by a flat key. Thus, by fixing the arc-shaped cover 6 to the drive block 15, it is easy to keep the arc-shaped cover 6 stably locked to the middle of the impeller body 4.
[0028] When external power is input, the drive shaft 1 can drive the magnetic drive and the impeller body 4 to rotate synchronously through the drive shaft sleeve 12 and the connecting assembly. In turn, the impeller body 4 can pressurize and transport the liquid. An auxiliary actuating frame 5 is fixed between the impeller body 4 and the arc-shaped cover 6. The outer surface of the auxiliary actuating frame 5 is provided with multiple actuating inclined plates. When the impeller body 4 drives the multiple actuating inclined plates to rotate through the auxiliary actuating frame 5, the actuating inclined plates can reduce the liquid pressure in the middle of the impeller body 4, thereby realizing the auxiliary material feeding operation.
[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A multi-directional controllable magnetic pump impeller rotor, comprising a drive shaft (1), characterized in that: A transmission shaft sleeve (12) is installed on the outer side of the middle part of the transmission shaft (1). A magnetic drive is installed on the outer side of the transmission shaft sleeve (12). The magnetic drive includes an isolation sleeve (2). An isolation cover (3) is installed at one end of the isolation sleeve (2). A magnet mounting seat (7) is installed between the isolation sleeve (2) and the isolation cover (3). A magnet limiting plate (13) is installed at one end of the magnet mounting seat (7). A plurality of first outer ring magnets (8) and second outer ring magnets (9) are installed between the magnet mounting seat (7) and the magnet limiting plate (13). A plurality of first inner ring magnets (10) and second inner ring magnets (11) are installed on the inner side of the plurality of first outer ring magnets (8) and second outer ring magnets (9). An impeller body (4) is installed at one end of the drive shaft (1), and a connecting component is installed between the drive shaft (1) and the impeller body (4). The connecting component includes a positioning sleeve (14), a transmission block (15) is installed at one end of the positioning sleeve (14), and an arc-shaped cover (6) is installed at one end of the transmission block (15).
2. The multi-directional controllable magnetic pump impeller rotor according to claim 1, characterized in that: The transmission shaft sleeve (12) has multiple transmission flat teeth (16) at both ends. The transmission shaft sleeve (12) is installed by inserting multiple transmission flat teeth (16) into the isolation sleeve (2) and the isolation cover (3). The transmission shaft sleeve (12) is fixedly connected to the transmission shaft (1). The transmission shaft (1) is connected to the isolation sleeve (2) and the isolation cover (3) by transmission through the transmission shaft sleeve (12). The isolation sleeve (2) and the isolation cover (3) are fixedly connected by screws.
3. The multi-directional controllable magnetic pump impeller rotor according to claim 1, characterized in that: An auxiliary actuating frame (5) is fixedly installed on the inner side of the impeller body (4). The outer surface of the auxiliary actuating frame (5) is provided with multiple actuating inclined plates. The auxiliary actuating frame (5) and the multiple actuating inclined plates are integrally cast.
4. The multi-directional controllable magnetic pump impeller rotor according to claim 1, characterized in that: Multiple first outer ring magnets (8), second outer ring magnets (9), first inner ring magnets (10) and second inner ring magnets (11) are arranged in a circle relative to the axis of the drive shaft (1). Multiple first outer ring magnets (8) and second outer ring magnets (9) are arranged alternately, and multiple first inner ring magnets (10) and second inner ring magnets (11) are arranged alternately.
5. The multi-directional controllable magnetic pump impeller rotor according to claim 1, characterized in that: The two ends of the positioning sleeve (14) are connected to the drive shaft (1) and the drive block (15) by flat keys. The middle part of the arc-shaped cover (6) passes through the drive block (15) and is inserted into the inner side of the drive shaft (1). The arc-shaped cover (6) is connected to the drive shaft (1) by threads. The arc-shaped cover (6) is fixed to the auxiliary actuating frame (5) by screws.
6. The multi-directional controllable magnetic pump impeller rotor according to claim 1, characterized in that: The middle part of the impeller body (4) is inserted between the transmission block (15) and the arc-shaped cover (6) and welded to the transmission block (15). The impeller body (4) and the magnet mounting base (7) have the same rotation direction.