CN218570015U - Brushless direct-drive machine core and tooth flushing device - Google Patents
Brushless direct-drive machine core and tooth flushing device Download PDFInfo
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- CN218570015U CN218570015U CN202222569934.XU CN202222569934U CN218570015U CN 218570015 U CN218570015 U CN 218570015U CN 202222569934 U CN202222569934 U CN 202222569934U CN 218570015 U CN218570015 U CN 218570015U
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- brushless direct
- eccentric
- direct drive
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Abstract
The utility model discloses a brushless direct drive machine core and tooth flushing device, the brushless direct drive machine core comprises an outer rotor brushless motor, a first bearing, a second bearing and an eccentric component, the outer rotor brushless motor is arranged in a holding cavity of a frame, a rotor part of the outer rotor brushless motor comprises a first end and a second end, the first end is rotationally connected with one side of the frame, a stator part of the outer rotor brushless motor is annularly arranged at the periphery of the first end, and the second end is rotationally connected with the opposite side of the frame; the inner ring of the first bearing is sleeved on the peripheral surface of the first end, and the outer ring of the first bearing is fixed relative to the rack; the inner ring of the second bearing is sleeved on the outer peripheral surface of the second end, and the outer ring of the second bearing is fixed relative to the rack; the eccentric assembly is installed between second bearing and rotor portion, and eccentric assembly includes eccentric wheel and driving medium, and rotor portion is located to the eccentric wheel cover, and the one end drive of driving medium is connected in the eccentric wheel. The utility model discloses technical scheme can reduce the brushless vibration that directly drives the core in the course of the work.
Description
Technical Field
The utility model relates to a towards tooth ware technical field, in particular to brushless core and towards tooth ware directly drives.
Background
In chinese patent No. 216672785, which has the theme of "a brushless outer rotor direct drive type movement and tooth-washing device", a structure of a brushless outer rotor direct drive type movement is proposed, comprising an outer rotor brushless motor, wherein the outer rotor brushless motor comprises a rotor part and a stator part, the rotor part comprises a rotor housing, a connecting piece and a magnetic ring, the connecting piece is connected with the other end of the connecting rod, and the magnetic ring is connected with the inner wall of the rotor housing; the stator part comprises a base, a stator iron core and a coil winding, the connecting piece is connected with the base through a first rolling bearing, a second rolling bearing and the base respectively, and the stator iron core is sleeved on the base. In foretell structure, the connecting piece is connected gradually second antifriction bearing by supreme down, and first antifriction bearing is connected with the connecting rod through third antifriction bearing, because two support bearings of connecting piece all are at the inferior valve, and the rotor does not support in epitheca one end, can take place the swing when the rotor rotates for the core vibration is obvious, influences user experience.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a brushless core and towards tooth ware of directly driving aims at reducing the brushless core and towards the vibration of tooth ware in the course of the work of directly driving.
In order to achieve the above object, the utility model provides a brushless core that directly drives includes: the device comprises a rack, a positioning mechanism and a control mechanism, wherein an accommodating cavity is formed inside the rack;
the water pump is arranged in the accommodating cavity;
the outer rotor brushless motor is arranged in the accommodating cavity and comprises a stator part and a rotor part, the rotor part comprises a first end and a second end, the first end is rotatably connected with one side of the rack, the stator part is annularly arranged on the periphery of the first end at intervals, and the second end is rotatably connected with the other opposite side of the rack;
the inner ring of the first bearing is sleeved on the peripheral surface of the first end, and the outer ring of the first bearing is fixed relative to the rack;
the inner ring of the second bearing is sleeved on the outer peripheral surface of the second end, and the outer ring of the second bearing is fixed relative to the rack; and
the eccentric assembly is installed between the second bearing and the rotor part and comprises an eccentric wheel and a transmission part, the eccentric wheel is sleeved on the rotor part, one end of the transmission part is in driving connection with the eccentric wheel, and the other end of the transmission part is in driving connection with the water pump.
Further, rotor portion includes casing and pivot, the casing has the installation cavity to the installation stator portion, the pivot is located on the axis of casing, rotor portion includes fixed connection's rotor casing and pivot, the second end with the second bearing cooperation is connected.
Further, the rotating shaft is connected with the eccentric wheel in a matched mode.
Furthermore, the transmission part comprises a first transmission end and a linear connecting rod which are connected with each other, the first transmission end is provided with a transmission groove to accommodate the eccentric wheel, and the linear connecting rod is in driving connection with the water pump.
Further, the transmission groove is provided with a first cavity wall and a second cavity wall which are arranged oppositely, and at least one of the first cavity wall and the second cavity wall is abutted against the eccentric wheel.
Further, the first cavity wall and the second cavity wall are simultaneously abutted to two sides of the eccentric wheel.
Furthermore, the first cavity wall and the second cavity wall are arranged in parallel, and the extending directions of the first cavity wall and the second cavity wall are both perpendicular to the moving direction of the connecting rod.
Furthermore, a mounting groove is formed in the frame, and an outer ring of the first bearing is fixed on the mounting groove.
Further, the inner ring of the first bearing is fixedly connected with the outer peripheral surface of the first end, and the outer ring of the first bearing is connected with the stator. The utility model also provides a tooth flushing device, including the above-mentioned arbitrary brushless core that directly drives.
The utility model discloses technical scheme is through having set up first bearing and second bearing at rotor portion both ends for rotor portion both ends are all supported by the bearing, have increased the stability of rotor portion motion like this, reduce brushless directly to drive the core and dash the vibration of tooth ware in the course of the work.
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 the brushless direct drive movement of the present invention;
fig. 2 is a schematic structural diagram of an outer rotor brushless motor of the brushless direct drive core in fig. 1;
fig. 3 is a schematic structural view of an eccentric assembly of the brushless direct drive movement of fig. 1;
FIG. 4 is a schematic view of an eccentric wheel of the eccentric assembly of FIG. 3;
FIG. 5 is a schematic view of the transmission member of the eccentric assembly of FIG. 3;
fig. 6 is a schematic structural view of another embodiment of the brushless direct drive movement of the present invention;
fig. 7 is a schematic structural diagram of another embodiment of the brushless direct drive movement of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 1 | Brushless direct- |
10 | |
| 11 | |
20 | |
| 30 | Outer rotor |
31 | |
| 33 | |
331 | Casing (CN) |
| 335 | |
35 | Fixed |
| 333 | |
3331 | |
| 3333 | |
40 | First bearing |
| 50 | Second bearing | 60 | |
| 61 | |
63 | Transmission member |
| 631 | A |
6311 | |
| 63111 | |
63113 | |
| 633 | Straight |
36 | Shaft sleeve |
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 all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
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 meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. 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.
As shown in fig. 1 and fig. 2, the utility model provides a brushless direct drive core 1, include:
the device comprises a machine frame 10, wherein an accommodating cavity is formed inside the machine frame 10;
the water pump 20 is arranged in the accommodating cavity;
the outer rotor brushless motor 30 is installed in the accommodating cavity, the outer rotor brushless motor 30 comprises a stator part 31 and a rotor part 33, the rotor part 33 comprises a first end 3331 and a second end 3333, the first end 3331 is rotatably connected with one side of the frame 10, the stator part 31 is arranged on the periphery of the first end 3331 in an interval mode, and the second end 3333 is rotatably connected with the other opposite side of the frame 10;
a first bearing 40, an inner ring of the first bearing 40 is sleeved on the outer circumferential surface of the first end 3331, and an outer ring of the first bearing 40 is fixed relative to the frame 10;
a second bearing 50, an inner ring of the second bearing 50 is sleeved on the outer peripheral surface of the second end 3333, and an outer ring of the second bearing 50 is fixed relative to the frame 10; and
the eccentric assembly 60 is installed between the second bearing 50 and the rotor part 33, the eccentric assembly 60 comprises an eccentric wheel 61 and a transmission part 63, the eccentric wheel 61 is sleeved on the rotor part 33, one end of the transmission part 63 is in driving connection with the eccentric wheel 61, and the other end of the transmission part is in driving connection with the water pump 20.
In this embodiment, a receiving cavity is formed inside the housing 10, the water pump 20 is disposed in the receiving cavity, and the outer rotor brushless motor 30 is installed in the receiving cavity. The outer rotor brushless motor 30 comprises a stator part 31 and a rotor part 33, wherein the rotor part 33 comprises a first end 3331 and a second end 3333, the first end 3331 can be rotatably connected with one side of the frame 10, the stator part 31 is arranged on the periphery of the first end 3331 in a spaced mode, and the second end 3333 is rotatably connected with the other opposite side of the frame 10; in this embodiment, the driving method used is the non-inductive driving, but in other embodiments, the driving method of the inductive driving may also be used. An inner ring of the first bearing 40 is sleeved on the outer peripheral surface of the first end 3331, and an outer ring of the first bearing 40 is fixed relative to the frame 10; the first end 3331 of the rotor portion 33 is thus able to rotate relative to the frame 10. The inner ring of the second bearing 50 is sleeved on the outer peripheral surface of the second end 3333, and the outer ring of the second bearing 50 is fixed relative to the frame 10; the second end 3333 of the rotor portion 33 is thus rotatably coupled to the frame 10 via the second bearing 50, and the second end 3333 is capable of rotating relative to the frame 10. Thus, the two ends of the rotor part 33 are supported by the first bearing 40 and the second bearing 50, the rotor part 33 can rotate relative to the frame 10, and the rotor part 33 is not easy to vibrate when rotating, so that the brushless direct drive movement 1 is more stable when working.
As shown in fig. 1 and fig. 3 to 5, an eccentric assembly 60 is installed between the second bearing 50 and the rotor part 33, the eccentric assembly 60 includes an eccentric wheel 61 and a transmission member 63, the eccentric wheel 61 is sleeved on the rotor part 33, one end of the transmission member 63 is drivingly connected to the eccentric wheel 61, and the other end is drivingly connected to the water pump 20.
Specifically, as shown in fig. 2, the rotor portion 33 includes a casing 331 and a rotating shaft 333, the casing 331 has an installation cavity therein, the stator portion 31 is installed in the installation cavity, the rotating shaft 333 is fixedly connected to the casing 331, the rotating shaft 333 is located on an axis of the casing 331, a first end 3331 of the rotating shaft 333 is located in the installation cavity, and a second end 3333 of the rotating shaft 333 is located at a position away from the stator portion 31 and outside the installation cavity. Further, the rotor portion 33 further includes a magnetic ring connected to the inner wall of the casing 331. Specifically, the magnetic ring is adhered to the inner wall of the case 331 by glue.
As shown in fig. 1 and 2, the first end of the rotating shaft 333 is defined as the first end 3331 of the rotor portion 33, the second end of the rotating shaft 333 is defined as the second end 3333 of the rotor portion 33, the first bearing 40 is fitted on the outer circumferential surface of the first end 3331, and the outer ring of the first bearing 40 should be fixed to the housing 10, specifically, the outer ring of the first bearing 40 may be fixed to the housing 10, or the outer ring of the first bearing 40 may be fixed to the stator portion 31. Further, an inner ring of the second bearing 50 is sleeved on an outer circumferential surface of the second end 3333, an outer ring of the second bearing 50 is fixed relative to the frame 10, specifically, the frame 10 may be provided with a mounting groove 11, and the outer ring of the second bearing 50 is fixed on the frame 10. Thus, the rotor portion 33 and the rotating shaft 333 can rotate around the stator portion 31. And the first end 3331 is connected to the first bearing 40, and the second end 3333 is connected to the second bearing 50, so that the rotor portion 33 can rotate more smoothly due to the existence of the first bearing 40 and the second bearing 50 when rotating. Further, first end 3331 can be in interference fit with first bearing 40, second end 3333 can with second bearing 50 interference fit, just so couple together first end 3331 and first bearing 40 steadily, second end 3333 is coupled together with second bearing 50 steadily, because first end 3331 and the second end 3333 of pivot 333 all support through the bearing, make the motion of pivot 333 more steady like this, be difficult for taking place the vibration, the stability of rotor portion 33 motion has been increased, the vibration of core has been reduced, the life-span of core has been improved, user experience has been improved.
In one embodiment, as shown in fig. 2, the shaft 333 is an interference fit with the eccentric 61. The eccentric wheel 61 is sleeved on the periphery of the rotating shaft 333, and the rotating shaft 333 is in interference fit with the eccentric wheel 61, so that the rotating shaft 333 can stably drive the eccentric wheel 61 to move.
Further, as shown in fig. 2, the eccentric wheel 61 is notched at a side thereof such that the eccentric wheel 61 has a center of mass as close as possible to the axis of the rotating shaft 333, so that the eccentric wheel 61 can be stably rotated.
In one embodiment, as shown in fig. 1 and 3-5, the transmission member 63 includes a first transmission end 631 and a linear connecting rod 633 connected to each other, the first transmission end 631 is provided with a transmission groove 6311 to receive the eccentric 61, and the linear connecting rod 633 is drivingly connected to the water pump 20.
In this embodiment, the transmission member 63 includes a first transmission end 631 and a linear connecting rod 633 connected to each other, the first transmission end 631 is provided with a transmission groove 6311 for receiving the eccentric wheel 61, and the linear connecting rod 633 is drivingly connected to the water pump 20. The eccentric wheel 61 is in interference fit with the rotating shaft 333, the eccentric wheel 61 is located in the transmission groove 6311 of the first transmission end 631, one end of the linear connecting rod 633 is fixedly connected with the first transmission end 631, the other end of the linear connecting rod 633 is drivingly connected to the water pump 20, specifically, the other end of the linear connecting rod 633 is drivingly connected to the piston of the water pump 20, and the moving direction of the piston of the water pump 20 is on the same straight line with the extending direction of the linear connecting rod 633. Thus, the eccentric wheel 61, the linear connecting rod 633 and the piston of the water pump 20 are in the same plane, so that the movement is smoother and the vibration is lower. And the transmission part 63 has high strength, is not easy to bend and damage, and prolongs the service life of the brushless direct drive machine core.
Further, as shown in fig. 5, the transmission groove 6311 has a first cavity wall 63111 and a second cavity wall 63113 disposed opposite to each other, and at least one of the first cavity wall 63111 and the second cavity wall 63113 abuts against the eccentric wheel 61.
In this embodiment, the eccentric wheel 61 abuts against at least one of the first cavity wall 63111 and the second cavity wall 63113, the rotating shaft 333 of the rotor portion 33 drives the eccentric wheel 61 to rotate, and the eccentric wheel 61 has a driving force for at least one of the first cavity wall 63111 and the second cavity wall 63113 to drive the first transmission end 631 to drive the linear connecting rod 633 to move along the direction of the axis of the linear connecting rod 633. It will be appreciated that the distance between the first cavity wall 63111 and the second cavity wall 63113 may be equal to or slightly less than the maximum diameter of the eccentric 61.
Furthermore, the transmission groove 6311 is provided with a limiting hole, the limiting hole extends from the first cavity wall 63111 to the second cavity wall 63113, and the extending direction of the limiting hole is the same as the moving direction of the linear link 633. The rotating shaft 333 is located in the limiting hole so that the transmission direction of the transmission member 63 is consistent with the extending direction of the limiting hole.
Further, in one embodiment, the first cavity wall 63111 and the second cavity wall 63113 abut both sides of the eccentric 61. In this embodiment, there is no gap between the eccentric wheel 61 and the first cavity wall 63111 and the second cavity wall 63113, the eccentric wheel 61 does not collide with the first cavity wall 63111 or the second cavity wall 63113 during the rotation process, and the eccentric wheel 61 is not prone to vibrate during the rotation process, so that the eccentric wheel is more stable, the loss of the eccentric wheel 61 and the first cavity wall 63111 and the second cavity wall 63113 is reduced, and the service life is prolonged.
Further, the first cavity wall 63111 and the second cavity wall 63113 are disposed in parallel, and the extending directions of the first cavity wall 63111 and the second cavity wall 63113 are both perpendicular to the moving direction of the link.
In this embodiment, two sides of the eccentric wheel 61 are abutted against the first cavity wall 63111 and the second cavity wall 63113, and the extending directions of the first cavity wall 63111 and the second cavity wall 63113 are both perpendicular to the moving direction of the connecting rod, so that the movement of the transmission member 63 does not generate deviation, and the vibration is reduced. At this moment, the eccentric wheel 61 can have the maximum stroke, so that the eccentric wheel 61 with the mass and the small volume can be utilized, the volume and the weight of the eccentric wheel 61 are reduced, the loss of the rotating shaft 333 is reduced, and the vibration of the rotating shaft 333 during rotation is reduced, so that the movement of the brushless direct-driven machine core 1 is smoother, the vibration of the brushless direct-driven machine core 1 is reduced, and the vibration of the tooth flushing device is smaller. The user experience is improved.
In the above embodiment, as shown in fig. 1, the rotor portion 33 has the rotating shaft 333, when the outer rotor brushless motor 30 operates, the rotor portion 33 rotates relative to the stator portion 31, and the rotation of the rotating shaft 333 of the rotor portion 33 drives the eccentric wheel 61 to rotate, thereby realizing the linear reciprocating motion of the transmission member 63.
In another embodiment, as shown in fig. 6 and 7, the rotor portion 33 includes a rotor housing 335, a mounting hole is formed at the center of the rotor housing 335 for fixedly mounting the eccentric wheel 61, a shaft hole is formed in the eccentric wheel 61, the outer rotor brushless motor 30 further includes a fixed shaft 35, the fixed shaft 35 passes through the shaft hole, and two ends of the fixed shaft 35 are respectively fixed to two opposite sides of the frame 10. It should be noted that, unlike the above-mentioned embodiment, in this embodiment, the rotor portion 33 does not have the rotating shaft 333, the rotor portion 33 has the rotor housing 335, and the outer rotor brushless motor 30 further includes the fixed shaft 35, the rotor housing 335 is fixedly connected to the eccentric 61, so that when the outer rotor brushless motor 30 operates, the rotor portion 33 rotates relative to the stator portion 31, at this time, the rotor housing 335 of the rotor portion 33 drives the eccentric 61 to rotate around the fixed shaft 35, the transmission member 63 includes the first transmission end 631 and the linear connecting rod 633 which are connected to each other, the first transmission end 631 is provided with the transmission groove 6311, the eccentric 61 is accommodated in the transmission groove, and the linear connecting rod 633 is drivingly connected to the water pump 20, thereby achieving the reciprocating linear motion of the transmission member 63. Specifically, the structure and connection manner of the transmission member 63 and the eccentric wheel can refer to the above embodiments, and are not described herein again.
Furthermore, both ends of the fixing shaft 35 can be sleeved with shaft sleeves 36, both ends of the fixing shaft 35 sleeved with the shaft sleeves 36 are fixed on both opposite sides of the frame 10, and the shaft sleeves 36 can enable both ends of the fixing shaft 35 to be matched with the frame 10 more tightly, so that when the eccentric wheel 61 rotates around the fixing shaft 35, the fixing shaft 35 is not easy to shake, the vibration of the brushless direct-drive machine core 1 is reduced, and the vibration of the tooth flushing device is also smaller. The user experience is improved. Wherein, the two ends of the fixed shaft 35 and the shaft sleeve 36 can be in interference fit.
The utility model also provides a tooth flushing device, including the brushless direct drive core 1 of any above-mentioned embodiment. The specific structure of the brushless direct drive movement 1 refers to the above embodiments, and since the tooth irrigator adopts all technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not repeated herein.
The above is only the optional embodiment of the present invention, and not limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A brushless direct drive movement, comprising:
the device comprises a rack, a first fixing device and a second fixing device, wherein an accommodating cavity is formed inside the rack;
the water pump is arranged in the accommodating cavity;
the outer rotor brushless motor is arranged in the accommodating cavity and comprises a stator part and a rotor part, the rotor part comprises a first end and a second end, the first end is rotatably connected with one side of the rack, the stator part is annularly arranged on the periphery of the first end at intervals, and the second end is rotatably connected with the other opposite side of the rack;
the inner ring of the first bearing is sleeved on the peripheral surface of the first end, and the outer ring of the first bearing is fixed relative to the rack;
the inner ring of the second bearing is sleeved on the outer peripheral surface of the second end, and the outer ring of the second bearing is fixed relative to the rack; and
the eccentric assembly is installed between the second bearing and the rotor part and comprises an eccentric wheel and a transmission part, the eccentric wheel is sleeved on the rotor part, one end of the transmission part is in driving connection with the eccentric wheel, and the other end of the transmission part is in driving connection with the water pump.
2. The brushless direct drive motor core as claimed in claim 1 wherein said rotor portion comprises a housing having a mounting cavity for mounting said stator portion and a shaft located on an axis of said housing, said rotor portion comprising a rotor housing and a shaft fixedly attached, said second end being cooperatively attached to said second bearing.
3. The brushless direct drive movement of claim 2, wherein the shaft is cooperatively connected to the eccentric.
4. The brushless direct drive cartridge as recited in claim 1 wherein said drive member comprises a first drive end and a linear link interconnected, said first drive end having a drive slot for receiving said eccentric, said linear link drivingly connected to said water pump.
5. The brushless direct drive cartridge as recited in claim 4 wherein the drive well has first and second oppositely disposed chamber walls, at least one of the first and second chamber walls abutting the eccentric.
6. The brushless direct drive cartridge as recited in claim 5 wherein said first chamber wall and said second chamber wall abut both sides of the eccentric.
7. The brushless direct drive movement of claim 6, wherein the first chamber wall and the second chamber wall are arranged in parallel, and the extending directions of the first chamber wall and the second chamber wall are both perpendicular to the movement direction of the connecting rod.
8. The brushless direct drive movement of claim 1, wherein the frame defines an installation slot, and an outer race of the first bearing is secured to the installation slot.
9. The brushless direct drive movement of claim 1, wherein an inner race of the first bearing is fixedly coupled to the outer peripheral surface of the first end, and an outer race of the first bearing is coupled to the stator.
10. A dental irrigator comprising a brushless direct drive cartridge according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222569934.XU CN218570015U (en) | 2022-09-27 | 2022-09-27 | Brushless direct-drive machine core and tooth flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222569934.XU CN218570015U (en) | 2022-09-27 | 2022-09-27 | Brushless direct-drive machine core and tooth flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218570015U true CN218570015U (en) | 2023-03-03 |
Family
ID=85313056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222569934.XU Active CN218570015U (en) | 2022-09-27 | 2022-09-27 | Brushless direct-drive machine core and tooth flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218570015U (en) |
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2022
- 2022-09-27 CN CN202222569934.XU patent/CN218570015U/en active Active
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