Rotor tooling for high-voltage internal-rotor motor
By designing the rotor frame and sleeve structure of the rotor tooling, the problem of cumbersome assembly of the internal rotating motor was solved, and rapid oil filling and high pressure resistance were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANCHANG SANRUI INTELLIGENT TECH CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-14
AI Technical Summary
The sealing design of the rotor oil chamber of the internal rotary motor requires that oil be filled into the rotor and the propeller body separately during assembly, which makes the assembly process complicated.
Design a rotor tooling for a high-pressure internal rotary motor, including a rotating shaft, a sleeve, and a detachably connected rotor frame. The rotor frame is provided with a transmission through hole for connecting the propeller body and the oil chamber, simplifying the assembly process.
Rapid oil filling is achieved through the transmission through-hole, avoiding empty cavities in the oil chamber, improving pressure resistance, and simplifying the assembly process.
Smart Images

Figure CN224503010U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor rotor technology, specifically to a rotor tooling for a high-voltage internal rotating motor. Background Technology
[0002] Electric motors are classified into internal rotation motors and external rotation motors. In an internal rotation motor, the rotating parts are designed on the inside, and the stationary parts are designed on the outside.
[0003] The underwater thruster includes the thruster body and an internal rotating motor with a rotor. During the assembly of the underwater thruster, oil needs to be filled into the oil chamber of the rotor and the inside of the thruster body. The use of oil can improve the overall pressure resistance of the underwater thruster and give it better heat dissipation.
[0004] However, since the oil chamber of the rotor is usually sealed, oil needs to be filled into the oil chamber of the rotor and the inside of the propeller body separately during assembly, making the entire assembly process quite complicated. Utility Model Content
[0005] Based on this, the purpose of this utility model is to provide a rotor tooling for a high-pressure internal rotary motor, so as to solve the technical problem in the background art that since the oil chamber of the rotor is usually sealed, oil needs to be filled into the oil chamber of the rotor and the inside of the propeller body respectively during assembly, resulting in a complicated assembly process.
[0006] The present invention provides a rotor fixture for a high-pressure internal rotary motor. The rotor fixture is used to assemble on the body of a propeller. The rotor fixture includes a rotating shaft, a sleeve for sleeved on the rotating shaft, and two rotor frames detachably connected to the rotating shaft.
[0007] The two rotor frames are respectively disposed at opposite ends of the sleeve, and a portion of each rotor frame is used to be embedded in the sleeve so as to fix the sleeve to the rotating shaft by means of the two rotor frames. When the sleeve is sleeved on the rotating shaft, an oil cavity is formed between the rotating shaft and the sleeve.
[0008] Each rotor frame is provided with multiple transmission through holes for communicating with the oil chamber, and the transmission through holes are used to transfer the oil in the propeller body to the oil chamber.
[0009] Furthermore, the plurality of transmission through holes are circumferentially spaced with the center of the rotor frame as the origin.
[0010] Furthermore, the rotor frame is provided with a plurality of mounting through holes, and each of the mounting through holes is opposite to another mounting through hole;
[0011] The rotor fixture further includes multiple fixing components, each of which is used to pass through each of the assembly through holes for detachably connecting the rotor frame to the rotating shaft.
[0012] Furthermore, the rotating shaft is provided with an annular cut edge, which is used to be arranged opposite to the fixing member.
[0013] Furthermore, the rotor frame is provided with an axial through hole for assembling the rotating shaft.
[0014] Furthermore, the rotor tooling also includes a plurality of magnets, which are spaced apart circumferentially along the outer side of the sleeve.
[0015] Furthermore, the rotor tooling also includes at least one magnet holder, which is mounted on the sleeve and is used to separate the plurality of magnets.
[0016] Furthermore, the magnet holder includes an abutting portion and a plurality of protrusions spaced apart along the abutting portion;
[0017] The contact portion abuts against the edge of the sleeve, and a separation gap is formed between each of the protrusions and the adjacent protrusion for being disposed opposite to each of the magnets.
[0018] Furthermore, the rotor frame includes a mating end, which is used to be embedded in the sleeve and to fit tightly against a portion of the inner wall of the sleeve.
[0019] Furthermore, the magnet holder is provided with a receiving groove for receiving a balancing medium.
[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0021] In the rotor fixture of the high-pressure resistant internal rotary motor of this utility model, the rotor fixture includes a rotating shaft, a sleeve, and two rotor frames detachably connected to the rotating shaft. When the sleeve is fixed by the two rotor frames, an oil cavity is formed between the sleeve and the rotor frames. Each rotor frame is provided with multiple transmission through holes for communicating with the oil cavity. The transmission through holes are used to transfer the oil in the propeller body to the oil cavity. This allows the rotor to be used in actual working applications, i.e., in a propeller body with pressure compensation. Because the rotor frame has transmission through holes, the oil inside the propeller body can fill the oil cavity, eliminating any empty cavities and achieving high pressure resistance. This design simplifies the assembly process and solves the technical problem of the cumbersome assembly process in the prior art. Attached Figure Description
[0022] Figure 1This is a schematic diagram of the rotor tooling of a high-voltage internal rotary motor in one embodiment of the present invention;
[0023] Figure 2 This is a perspective view of the rotor frame of the high-voltage internal rotary motor rotor fixture in one embodiment of the present invention.
[0024] Figure 3 This is a perspective view of the magnet frame of the rotor tooling of a high-pressure internal rotary motor in one embodiment of the present invention.
[0025] In the diagram: 100, rotating shaft; 110, annular tang; 200, sleeve; 300, rotor frame; 310, assembly through hole; 320, axial through hole; 330, mating end; 340, transmission through hole; 400, oil cavity; 500, fixing part; 600, magnet; 700, magnet frame; 710, contact part; 720, protrusion; 800, receiving groove. Detailed Implementation
[0026] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.
[0027] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0029] Please see Figures 1-3 The image shows a rotor fixture for a high-pressure internal rotary motor in one embodiment of the present invention. The rotor fixture is used to assemble on the propeller body. The rotor fixture includes a rotating shaft 100, a sleeve 200 for sleeved on the rotating shaft 100, and two rotor frames 300 detachably connected to the rotating shaft 100.
[0030] Two rotor frames 300 are respectively disposed at opposite ends of the sleeve 200, and a portion of each rotor frame 300 is used to be embedded in the sleeve 200 so that the sleeve 200 is fixed on the rotating shaft 100 by the two rotor frames 300. When the sleeve 200 is sleeved on the rotating shaft 100, an oil cavity 400 is formed between the rotating shaft 100 and the sleeve 200.
[0031] Each rotor frame 300 is provided with multiple transmission through holes 340 for communicating with the oil chamber 400. The transmission through holes 340 are used to transfer the oil in the propeller body to the oil chamber 400.
[0032] In practical implementation, the rotor fixture shown in this example is assembled onto the propeller body. The rotor fixture includes a rotating shaft 100, a sleeve 200, and two rotor frames 300 detachably connected to the rotating shaft 100. When the sleeve 200 is fixed by the two rotor frames 300, an oil cavity 400 is formed between the sleeve 200 and the rotor frames 300. Each rotor frame 300 is provided with multiple transmission through holes 340 for communicating with the oil cavity 400. The transmission through holes 340 are used to transfer the oil in the propeller body to the oil cavity 400. This allows the rotor to be used in actual working situations, i.e., in a propeller body with pressure compensation. Because the rotor frame 300 has transmission through holes 340, the oil inside the propeller body can fill the oil cavity 400, eliminating any cavities in the oil cavity 400, thereby achieving high pressure resistance. This arrangement simplifies the assembly process and solves the technical problem of the cumbersome assembly process in the prior art.
[0033] In some preferred embodiments, in order to ensure that the oil can be transferred to the oil chamber 400 from multiple positions, multiple transfer through holes 340 are circumferentially spaced with the center of the rotor frame 300 as the origin. Through the arrangement of multiple transfer through holes 340, the oil can enter the oil chamber 400 from multiple positions of multiple rotor frames 300, ensuring the timeliness of oil entry.
[0034] Specifically, to facilitate the fixing of the rotor frame 300 to the rotating shaft 100, in this example, the rotor frame 300 is provided with a plurality of mounting through holes 310, and each mounting through hole 310 is oppositely arranged with another mounting through hole 310. The rotor tooling also includes a plurality of fasteners 500, each fastener 500 being used to pass through each mounting through hole 310 for detachably connecting the rotor frame 300 to the rotating shaft 100. It should be noted that the fasteners 500 can be screws as used in the prior art.
[0035] To further enhance the stability of the fastener 500, in this example, the rotating shaft 100 is provided with an annular cut edge 110. The annular cut edge 110 is used to be arranged opposite to the fastener 500. That is, when the fastener 500 passes through the assembly through hole 310, the end of the fastener 500 is directly embedded in the annular cut edge 110. The annular cut edge 110 can be used to restrict the radial movement of the fastener 500, further improving the reliability of the connection, so as to ensure that the rotor tooling as a whole has the characteristics of high coaxiality, smooth operation, and the ability to transmit large torque.
[0036] In addition, to ensure proper assembly of the rotating shaft 100, in this embodiment, the rotor frame 300 is provided with an axial through hole 320 for assembling the rotating shaft 100.
[0037] Furthermore, the rotor fixture also includes a plurality of magnets 600, which are spaced apart circumferentially along the outer side of the sleeve 200. The plurality of magnets 600 are attached to the outer surface of the sleeve 200. In order to prevent adjacent magnets 600 from attracting each other, in this example, the rotor fixture also includes at least one magnet holder 700, which is disposed on the sleeve 200 and is used to separate the plurality of magnets 600.
[0038] Specifically, the magnet holder 700 includes an abutment portion 710 and a plurality of protrusions 720 spaced apart along the abutment portion 710, wherein the abutment portion 710 abuts against the edge of the sleeve 200, and a separation gap is formed between each protrusion 720 and an adjacent protrusion 720 for opposing each magnet 600.
[0039] The contact portion 710 abuts against the end face of the sleeve 200. In practice, it can be fixed with glue, and the protrusion 720 can separate two adjacent magnets 600.
[0040] It should be noted that the rotor frame 300 also includes a mating end 330. The mating end 330 is used to be embedded in the sleeve 200 and is in close contact with part of the inner wall of the sleeve 200.
[0041] The magnet holder 700 is provided with a receiving groove 800, which is used to receive the balancing medium. It should be noted that the balancing medium can be the balancing mud in the prior art, so as to ensure the balance of the rotor tooling.
[0042] In summary, the rotor tooling for the high-voltage internal rotating motor in one embodiment of this utility model has at least the following beneficial effects:
[0043] In the rotor fixture of the high-pressure resistant internal rotary motor provided by this utility model, the rotor fixture includes a rotating shaft 100, a sleeve 200, and two rotor frames 300 detachably connected to the rotating shaft 100. When the sleeve 200 is fixed by the two rotor frames 300, an oil cavity 400 is formed between the sleeve 200 and the rotor frames 300. Each rotor frame 300 is provided with multiple transmission through holes 340 for communicating with the oil cavity 400. The transmission through holes 340 are used to transmit the oil in the propeller body to the oil cavity 400. This allows the rotor to be used in actual working situations, i.e., in a propeller body with pressure compensation. Since the rotor frame 300 has transmission through holes 340, the oil inside the propeller body can fill the oil cavity 400, so that the oil cavity 400 has no empty cavity, thereby achieving the purpose of high pressure resistance. Through this setting, the assembly process can be simplified, solving the technical problem of the relatively cumbersome assembly process in the prior art.
[0044] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0045] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A rotor tooling for a high-voltage internal rotary motor, characterized in that, The rotor fixture is used to assemble on the propeller body. The rotor fixture includes a rotating shaft, a sleeve for sleeved on the rotating shaft, and two rotor frames detachably connected to the rotating shaft. The two rotor frames are respectively disposed at opposite ends of the sleeve, and a portion of each rotor frame is used to be embedded in the sleeve so as to fix the sleeve to the rotating shaft by means of the two rotor frames. When the sleeve is sleeved on the rotating shaft, an oil cavity is formed between the rotating shaft and the sleeve. Each rotor frame is provided with multiple transmission through holes for communicating with the oil chamber, and the transmission through holes are used to transfer the oil in the propeller body to the oil chamber.
2. The rotor tooling for the high-voltage internal rotary motor according to claim 1, characterized in that: The plurality of transmission through holes are circumferentially spaced with the center of the rotor frame as the origin.
3. The rotor tooling for the high-voltage internal rotary motor according to claim 1, characterized in that: The rotor frame is provided with a plurality of assembly through holes, and each of the assembly through holes is provided with another assembly through hole opposite to it. The rotor fixture further includes multiple fixing components, each of which is used to pass through each of the assembly through holes for detachably connecting the rotor frame to the rotating shaft.
4. The rotor tooling for the high-voltage internal rotary motor according to claim 3, characterized in that: The rotating shaft is provided with an annular cut edge, which is used to be positioned opposite to the fixing member.
5. The rotor tooling for the high-voltage internal rotary motor according to claim 1, characterized in that: The rotor frame is provided with an axial through hole for assembling the rotating shaft.
6. The rotor tooling for the high-voltage internal rotary motor according to claim 1, characterized in that: The rotor tooling also includes a plurality of magnets, which are spaced apart circumferentially along the outer side of the sleeve.
7. The rotor tooling for the high-voltage internal rotary motor according to claim 6, characterized in that: The rotor fixture also includes at least one magnet holder, which is mounted on the sleeve and is used to separate the plurality of magnets.
8. The rotor tooling for the high-voltage internal rotary motor according to claim 7, characterized in that: The magnet holder includes an abutting portion and a plurality of protrusions spaced apart along the abutting portion; The contact portion abuts against the edge of the sleeve, and a separation gap is formed between each of the protrusions and the adjacent protrusion for being disposed opposite to each of the magnets.
9. The rotor tooling for the high-voltage internal rotary motor according to claim 1, characterized in that: The rotor frame includes a mating end, which is used to be embedded in the sleeve and to fit tightly against a portion of the inner wall of the sleeve.
10. The rotor tooling for the high-voltage internal rotary motor according to claim 7, characterized in that: The magnet holder is provided with a receiving groove for receiving a balancing medium.