CN217282474U - Direct-drive torque inner rotor motor - Google Patents
Direct-drive torque inner rotor motor Download PDFInfo
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- CN217282474U CN217282474U CN202220897385.6U CN202220897385U CN217282474U CN 217282474 U CN217282474 U CN 217282474U CN 202220897385 U CN202220897385 U CN 202220897385U CN 217282474 U CN217282474 U CN 217282474U
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- baffle
- rotating shaft
- encoder
- inner rotor
- rotor motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a direct-drive torque inner rotor motor, which comprises a rotating shaft, a rotating disc, a machine base, a first baffle, a second baffle, a bearing and an encoder; the rotary table is arranged at the top of the rotary shaft to rotate along with the rotary shaft, and the base is sleeved on the rotary shaft and the rotary table and forms an annular cavity with the rotary shaft and the rotary table; the first baffle is connected with the rotating shaft, the second baffle is connected with the base, and the first baffle and the second baffle are arranged in the annular cavity and are divided into a bearing installation cavity and an encoder installation cavity; the bearing is arranged in the bearing installation cavity and sleeved on the rotating shaft; the encoder is arranged in the encoder mounting cavity; the second baffle is opposite to the first baffle in the axial direction of the rotating shaft, a fit clearance is formed between the first baffle and the second baffle, and the fit clearance is constructed to prevent grease inside the bearing from entering the encoder mounting cavity. The utility model discloses technical scheme can prevent that the inside grease of bearing from getting into encoder installation intracavity and producing the encoder code wheel and polluting to improve the positioning accuracy who directly drives moment inner rotor motor.
Description
Technical Field
The utility model relates to a power equipment technical field, in particular to directly drive moment inner rotor motor.
Background
The direct-drive torque inner rotor motor is a rotating motor which directly drives a load and has no intermediate transmission structure, and has the advantages of high response speed, high positioning accuracy, compact structure, large and medium idle shaft and the like.
In the prior art, an inner rotor type direct-drive torque inner rotor motor generally has an integrated rotating shaft structure, a bearing installation cavity and an encoder installation cavity are arranged between the outer side of the rotating shaft and the base, a shaft shoulder is arranged on the rotating shaft, the bearing is arranged in the bearing installation cavity, and is sleeved on the rotating shaft, one end surface of the bearing inner ring is positioned by the shaft shoulder, the other end surface is fastened on the rotating shaft by the locking nut, so that a gap is formed between the lock nut and the base along the axial direction of the rotating shaft, which leads the bearing installation cavity and the encoder installation cavity to be directly communicated through the gap, when the motor runs for a long time, grease in the bearing can volatilize or leak and enter the encoder installation cavity to pollute the encoder code disc, so that the positioning accuracy of the direct-drive torque inner rotor motor is reduced, and in severe cases, the positioning accuracy can be lost or the direct-drive torque inner rotor motor can fly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a directly drive moment inner rotor motor aims at preventing that the inside grease of bearing from getting into the encoder installation intracavity and producing the pollution to the encoder code wheel to improve the positioning accuracy who directly drives moment inner rotor motor.
In order to achieve the above object, the utility model provides a directly drive moment inner rotor motor, include:
a rotating shaft;
the rotary disc is arranged at the top of the rotating shaft and rotates along with the rotating shaft;
the base is sleeved on the rotating shaft and the rotating disc and forms an annular cavity with the rotating shaft and the rotating disc;
the first baffle is connected to the rotating shaft, the second baffle is connected to the base, and the first baffle and the second baffle are arranged in the annular cavity and divide the annular cavity into a bearing installation cavity and an encoder installation cavity;
the bearing is arranged in the bearing installation cavity, sleeved on the rotating shaft and abutted against the first baffle plate by the inner ring of the bearing;
the encoder is arranged in the encoder mounting cavity;
the second baffle plate and the first baffle plate are oppositely arranged in the axial direction of the rotating shaft, a fit clearance is formed between the first baffle plate and the second baffle plate, and the fit clearance is configured to prevent grease in the bearing from entering the encoder mounting cavity.
In an embodiment of the present invention, the first baffle has a protruding portion on a surface facing the second baffle, the second baffle has a groove on a surface facing the first baffle, and the protruding portion extends into the groove to form the fit gap.
In an embodiment of the present invention, the groove is located on one side of the second baffle close to the frame.
The utility model discloses an in one embodiment, directly drive moment inner rotor motor and still include lower shield, lower shield is located the bottom of frame, and the cover is located the pivot, just the pivot the frame and enclose between the lower shield and close and form the encoder installation cavity.
In an embodiment of the present invention, the outer side wall of the rotating shaft has a first groove, and one side of the lower dust-proof cover facing the outer side wall of the rotating shaft has a first protrusion, and the first protrusion extends into the first groove;
and/or one side of the lower dustproof cover facing the outer side wall of the rotating shaft is also provided with a second bulge, and the second bulge is positioned at the bottom of the rotating shaft;
and/or, the bottom of frame has the second cell body, lower shield is located at least partially in the second cell body.
The utility model discloses an in one embodiment, directly drive moment inner rotor motor still includes the communication cable, be formed with the wiring chamber in the frame, the wiring chamber through walk the line hole communicate in the encoder installation cavity, the one end of communication cable is used for the electricity to connect in external power source, the other end of communication cable passes in proper order the wiring chamber with walk the line hole and insert and locate in the encoder installation cavity, with the encoder electricity is connected.
The utility model discloses an in one embodiment, it still includes the switching dish to directly drive moment inner rotor motor, the switching dish is located the top of carousel, in order to follow the carousel rotates.
The utility model discloses an in the embodiment, the adapter plate lid is located the top of frame, and with enclose between the frame and close to be formed with the stator installation cavity, it still includes stator core to directly drive moment inner rotor motor, stator core locates in the stator installation cavity.
The utility model discloses an in one embodiment, directly drive moment inner rotor motor still includes stator core and last shield, go up the shield lid and locate the top of frame, and with enclose between the frame and close and be formed with the stator installation cavity, stator core locates in the stator installation cavity.
The utility model discloses a directly drive moment inner rotor motor, inner circle butt through direct with the bearing is on first baffle, the mode of lock nut fastening bearing has been replaced, and, set up relatively on the axial direction of pivot through making first baffle and the second baffle that is located the annular cavity, even it is formed with the fit clearance to get between first baffle and the second baffle, and fit clearance structure is for preventing that the inside grease of bearing from getting into the encoder installation intracavity, so, alright avoid directly communicating between bearing installation cavity and the encoder installation cavity, thereby can prevent that the inside grease of bearing from getting into the encoder installation intracavity and producing the pollution to the encoder code wheel, in order to improve the positioning accuracy who directly drives moment inner rotor motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a direct-drive torque inner rotor motor according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a schematic structural view of another embodiment of the direct-drive torque inner rotor motor of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a directly drive moment inner rotor motor 100 aims at preventing that the inside grease of bearing 50 from getting into in encoder installation cavity 21b and producing the pollution to encoder 60 code wheel to improve the positioning accuracy who directly drives moment inner rotor motor 100.
The following will be with the utility model discloses the concrete structure of directly driving moment inner rotor motor 100 explains, specifically explains with the vertical placement of directly driving moment inner rotor motor 100 as the example:
referring to fig. 1 to 4, in an embodiment of the direct-drive torque inner rotor motor 100 of the present invention, the direct-drive torque inner rotor motor 100 includes: the rotary shaft 10, the rotary table 90, the base 20, the first baffle 30, the second baffle 40, the bearing 50 and the encoder 60; the base 20 is sleeved on the rotating shaft 10 and the rotating disc 90, and forms an annular cavity 21 with the rotating shaft 10 and the rotating disc 90; the first baffle 30 is connected with the rotating shaft 10, the second baffle 40 is connected with the base 20, the first baffle 30 and the second baffle 40 are arranged in the annular cavity 21, and the annular cavity 21 is divided into a bearing installation cavity 21a and an encoder installation cavity 21 b; the bearing 50 is arranged in the bearing installation cavity 21a and sleeved on the rotating shaft 10, and the inner ring of the bearing 50 abuts against the first baffle 30; the encoder 60 is arranged in the encoder mounting cavity 21 b; wherein the second baffle 40 is disposed opposite to the first baffle 30 in the axial direction of the rotating shaft 10, and a fitting clearance 41 is formed between the first baffle 30 and the second baffle 40, the fitting clearance 41 being configured to prevent grease inside the bearing 10 from entering the encoder mounting cavity 21 b.
It can be understood, the utility model discloses a directly drive moment inner rotor motor 100, through direct inner circle butt with bearing 50 on first baffle 30, the mode of lock nut fastening bearing 50 has been replaced, and, through making first baffle 30 and the relative setting of second baffle 40 in the axial direction of pivot 10 that are located annular cavity 21, even make and be formed with fit clearance 41 between first baffle 30 and the second baffle 40, and fit clearance 41 constructs to can prevent that the inside grease of bearing from getting into the encoder installation cavity, therefore, alright avoid directly communicating between bearing installation cavity 21a and the encoder installation cavity 21b, thereby can prevent that the inside grease of bearing 50 from getting into encoder installation cavity 21b and producing the pollution to encoder 60 code wheel, with the positioning accuracy who improves directly drive moment inner rotor motor 100.
In addition, because the stator core in the outer rotor motor is integral, and the inner diameter of the stator core is in interference fit with the periphery of the machine base 20, compared with the inner rotor split core, the integral stator core of the outer rotor has poor winding manufacturability, and the diameter of the rotating part of the outer rotor motor is larger, so that the integral rotational inertia is large, and the system rigidity is poor; therefore, compare in the drive mode of outer rotor, establish outside pivot 10 through establishing frame 20 cover, that is, the utility model discloses a directly drive the drive mode of moment inner rotor motor 100 adoption inner rotor, can reduce rotating part's diameter to reduce holistic inertia, thus can make the system have better rigidity.
It should be noted that the fitting gap 41 is configured to prevent grease inside the bearing 10 from entering the encoder mounting cavity 21b, specifically, at least one plane of the plane where the fitting gap 41 is located and the axial direction of the rotating shaft 10 form an included angle, meanwhile, a first gap 32 is formed between the first baffle 30 and the base 20, and a second gap 43 is formed between the second baffle 40 and the rotating shaft 10, so that the fitting gap 41, the first gap 32, and the second gap 43 form a zigzag gap, and thus, the bearing mounting cavity 21a and the encoder mounting cavity 21b can be indirectly communicated through the zigzag gap, so as to fully avoid direct communication between the bearing mounting cavity 21a and the encoder mounting cavity 21 b.
In some embodiments, a shoulder is disposed on the inner side of the housing 20, and a bearing outer ring gland 150 is further connected to the housing 20; during the assembly process, the bearing 50 is first installed in the bearing installation cavity 21a, and one end of the outer ring of the bearing 50 abuts against the stop shoulder, and then the bearing outer ring gland 150 is installed, so that the bearing outer ring gland 150 is pressed on the other end of the outer ring of the bearing 50, thereby positioning the outer ring of the bearing 50 on the base 20 under the action of the stop shoulder and the bearing outer ring gland 150.
In some embodiments, a plane of the first gap 32 between the first baffle 30 and the housing 20 may be consistent with the axial direction of the rotating shaft 10, and a plane of the second gap 43 between the second baffle 40 and the rotating shaft 10 may also be consistent with the axial direction of the rotating shaft 10, so that when the motor runs for a long time and grease inside the bearing 50 volatilizes or leaks, the grease may flow to the matching gap 41 through the first gap 32, and since at least one of the planes of the matching gap 41 may be disposed at an included angle with the axial direction of the rotating shaft 10, all or most of the grease may be stored in the matching gap 41.
In practical application, at least one of the planes of the first gap 32 and the plane of the matching gap 41 may be arranged at an acute angle, so that an acute-angle buffer space is formed at a connection between the first gap 32 and the matching gap 41 for buffering grease, thereby preventing the grease from flowing into the encoder mounting cavity 21 b; alternatively, a groove 42 for buffering grease may be formed in the surface of the second blocking plate 40 facing the first blocking plate 30, so as to prevent grease from flowing into the encoder mounting cavity 21 b.
Further, referring to fig. 2, in an embodiment, a surface of the first baffle 30 facing the second baffle 40 has a protrusion 31, a surface of the second baffle 40 facing the first baffle 30 has a groove 42, and the protrusion 31 extends into the groove 42 to form a fitting gap 41.
With such arrangement, when the motor runs for a long time and grease inside the bearing 50 volatilizes or leaks, the grease can be stored in the groove 42; in addition, by extending the protrusion 31 of the first baffle 30 into the groove 42, a zigzag gap can be formed between the outer side wall of the protrusion 31 and the groove wall of the groove 42, so that the fitting gap 41 between the first baffle 30 and the second baffle 40 forms a labyrinth seal to sufficiently prevent grease from flowing into the encoder installation cavity 21 b.
Further, referring to fig. 2, in one embodiment, the groove 42 is located on a side of the second baffle 40 close to the base 20; with this arrangement, even when the groove 42 is filled with grease, the grease overflowing from the groove 42 is first stored in the fitting gap 41 between the first shutter 30 and the second shutter 40, and does not directly flow to the encoder mounting cavity 21b through the second gap 43 between the second shutter 40 and the rotary shaft 10.
Further, referring to fig. 1 or fig. 4, in an embodiment, the direct-drive torque inner rotor motor 100 further includes a lower dust cap 70, the lower dust cap 70 is disposed at the bottom of the base 20 and sleeved on the rotating shaft 10, and an encoder installation cavity 21b is defined by the rotating shaft 10, the base 20, and the lower dust cap 70.
With such an arrangement, the lower dust cap 70 covers the bottom of the base 20, so that external dust can be prevented from entering the encoder mounting cavity 21b through the lower dust cap 70, and the coded disc of the encoder 60 can be prevented from being polluted by the external dust entering the encoder mounting cavity 21 b.
Further, referring to fig. 3, in an embodiment, the outer side wall of the rotating shaft 10 has a first groove 11, one side of the lower dust-proof cover 70 facing the outer side wall of the rotating shaft 10 has a first protrusion 71, and the first protrusion 71 extends into the first groove 11; with such an arrangement, a zigzag gap is formed between the lower dust cap 70 and the rotating shaft 10 by the cooperation of the first protrusion 71 and the first groove 11, so as to prevent external dust from entering the encoder installation cavity 21b through the gap between the lower dust cap 70 and the rotating shaft 10.
Further, referring to fig. 3, in an embodiment, a side of the lower dust cap 70 facing the outer side wall of the rotating shaft 10 further has a second protrusion 72, and the second protrusion 72 is located at the bottom of the rotating shaft 10; with such an arrangement, a multi-section zigzag gap is formed between the lower dust-proof cover 70 and the rotating shaft 10 under the cooperation of the second protrusion 72 and the bottom of the rotating shaft 10 and the cooperation of the first protrusion 71 and the first groove 11, so as to form a labyrinth seal, thereby further preventing external dust from entering the encoder installation cavity 21b through the gap between the lower dust-proof cover 70 and the rotating shaft 10.
Further, referring to fig. 1 or fig. 4, in an embodiment, the bottom of the base 20 has a second groove 22, and the lower dust cover 70 is at least partially disposed in the second groove 22; with this arrangement, the sealing property between the lower dust cap 70 and the housing 20 can be ensured to prevent external dust from entering the encoder installation cavity 21b through the gap between the lower dust cap 70 and the housing 20.
Further, referring to fig. 1 or fig. 4 in combination, in an embodiment, the direct-drive torque inner rotor motor 100 further includes a communication cable 80, a wiring cavity 23 is formed in the base 20, the wiring cavity 23 is communicated with the encoder installation cavity 21b through the wiring hole 24, one end of the communication cable 80 is used for being electrically connected to an external power supply, and the other end of the communication cable 80 sequentially passes through the wiring cavity 23 and the wiring hole 24 and is inserted into the encoder installation cavity 21b to be electrically connected to the encoder 60.
So set up, because need use communication cable 80 to connect the electricity for encoder 60 in the use, in order to prevent that impurity in the wiring chamber 23 from passing through wiring hole 24 and getting into encoder installation cavity 21b, can make communication cable 80 pass wiring chamber 23 and wiring hole 24 in proper order and insert and locate encoder installation cavity 21b after, make the lateral wall of communication cable 80 and the pore wall looks butt of wiring hole 24, even make communication cable 80 occupy the line space of wiring hole 24 completely, alright prevent that impurity in the wiring chamber 23 from passing through the clearance between communication cable 80 and the wiring hole 24 and getting into in encoder installation cavity 21 b.
In some embodiments, the communication cable 80 may be electrically connected to an external power source through a watertight fitting 160.
Referring to fig. 4, in an embodiment, the direct-drive torque inner rotor motor 100 further includes an adapter plate 110, and the adapter plate 110 is disposed on the top of the turntable 90 to rotate with the turntable 90; with such an arrangement, the direct-drive torque inner rotor motor 100 can have a universal outer rotor motor load interface by installing the adapter plate 110 to install a load.
Specifically, the adapter plate 110 may also be connected to the rotary plate 90 by screws, so that the adapter plate 110, the rotary plate 90 and the rotary shaft 10 rotate synchronously.
Further, referring to fig. 4, in an embodiment, the adapter plate 110 is disposed on the top of the base 20, and encloses with the base 20 to form a stator mounting cavity 25, the direct-drive torque inner rotor motor 100 further includes a stator core 120, and the stator core 120 is disposed in the stator mounting cavity 25; so set up, alright direct with stator core 120 install between adapter plate 110 and frame 20 enclose close the stator installation cavity 25 that forms in to make adapter plate 110 play the effect of shield simultaneously, thereby prevent that outside dust from getting into in the stator installation cavity 25, in order to guarantee stator installation cavity 25's cleanliness.
In some embodiments, a winding wiring control board 121 may be further installed in the stator installation cavity 25, and a power cable 140 may be installed in the wiring cavity 23, one end of the power cable 140 is electrically connected to an external power source through a waterproof connector 160, and the other end of the power cable 140 is electrically connected to the winding wiring control board 121, so as to energize the coil on the stator core 120 through the winding wiring control board 121; in addition, a magnetic steel 91 is sleeved on the periphery of the rotary disc 90, current flows through the coil, a magnetic field is generated around the coil, and the magnetic steel 91 can rotate under the action of the magnetic field, so that the rotary disc 90 and the rotary shaft 10 are driven to rotate.
Referring to fig. 1, in another embodiment, the direct-drive torque inner rotor motor 100 further includes a stator core 120 and an upper dust cap 130, the upper dust cap 130 is disposed on the top of the base 20 and forms a stator mounting cavity 25 with the base 20, and the stator core 120 is disposed in the stator mounting cavity 25; the arrangement is that the turntable 90 is not provided with the adapter disc 110, and the load is directly arranged on the turntable 90, so that the direct-drive torque inner rotor motor 100 can have a universal inner rotor motor load interface; in addition, the turntable 90 is not provided with the adapter 110, and an upper dust cover 130 needs to be provided on the top of the base 20 to prevent external dust from entering the stator mounting cavity 25 and polluting the stator core 120.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A direct drive torque inner rotor motor, comprising:
a rotating shaft;
the rotary disc is arranged at the top of the rotating shaft and rotates along with the rotating shaft;
the base is sleeved on the rotating shaft and the rotating disc and forms an annular cavity with the rotating shaft and the rotating disc;
the first baffle is connected to the rotating shaft, the second baffle is connected to the base, and the first baffle and the second baffle are arranged in the annular cavity and divide the annular cavity into a bearing installation cavity and an encoder installation cavity;
the bearing is arranged in the bearing installation cavity, sleeved on the rotating shaft and abutted against the first baffle plate by the inner ring of the bearing;
the encoder is arranged in the encoder mounting cavity;
the second baffle plate and the first baffle plate are oppositely arranged in the axial direction of the rotating shaft, a fit clearance is formed between the first baffle plate and the second baffle plate, and the fit clearance is configured to prevent grease in the bearing from entering the encoder mounting cavity.
2. The direct drive torque inner rotor motor according to claim 1, wherein a surface of the first baffle facing the second baffle has a protrusion, a surface of the second baffle facing the first baffle has a groove, and the protrusion extends into the groove to form the fit gap.
3. The direct drive torque inner rotor motor of claim 2 wherein said groove is located on a side of said second stop adjacent said housing.
4. The direct-drive torque inner rotor motor according to claim 1, further comprising a lower dust cap, wherein the lower dust cap is disposed at the bottom of the base and sleeved on the rotating shaft, and the rotating shaft, the base and the lower dust cap enclose the encoder mounting cavity.
5. The direct-drive torque inner rotor motor as claimed in claim 4, wherein the outer side wall of the rotating shaft is provided with a first groove, and one side of the lower dust cover facing the outer side wall of the rotating shaft is provided with a first protrusion extending into the first groove;
and/or one side of the lower dustproof cover facing the outer side wall of the rotating shaft is also provided with a second bulge, and the second bulge is positioned at the bottom of the rotating shaft;
and/or, the bottom of frame has the second cell body, lower shield is located at least partially in the second cell body.
6. The direct-drive torque inner rotor motor according to claim 1, further comprising a communication cable, wherein a wiring cavity is formed in the base, the wiring cavity is connected to the encoder mounting cavity through a wiring hole, one end of the communication cable is used for being electrically connected to an external power supply, and the other end of the communication cable sequentially passes through the wiring cavity and the wiring hole and is inserted into the encoder mounting cavity so as to be electrically connected to the encoder.
7. The direct drive torque inner rotor motor according to claim 1, further comprising an adapter plate disposed on top of the turntable for rotation therewith.
8. The direct-drive torque inner rotor motor according to claim 7, wherein the adapter plate is covered on the top of the base and forms a stator mounting cavity with the base, and the direct-drive torque inner rotor motor further comprises a stator core, and the stator core is arranged in the stator mounting cavity.
9. The direct-drive torque inner rotor motor according to claim 1, further comprising a stator core and an upper dust cap, wherein the upper dust cap is disposed on the top of the base and forms a stator mounting cavity with the base, and the stator core is disposed in the stator mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220897385.6U CN217282474U (en) | 2022-04-18 | 2022-04-18 | Direct-drive torque inner rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220897385.6U CN217282474U (en) | 2022-04-18 | 2022-04-18 | Direct-drive torque inner rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217282474U true CN217282474U (en) | 2022-08-23 |
Family
ID=82877121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220897385.6U Active CN217282474U (en) | 2022-04-18 | 2022-04-18 | Direct-drive torque inner rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217282474U (en) |
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2022
- 2022-04-18 CN CN202220897385.6U patent/CN217282474U/en active Active
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