CN216794715U - Improved closed slot stator for wire embedding of permanent magnet brushless direct current motor - Google Patents
Improved closed slot stator for wire embedding of permanent magnet brushless direct current motor Download PDFInfo
- Publication number
- CN216794715U CN216794715U CN202220178154.XU CN202220178154U CN216794715U CN 216794715 U CN216794715 U CN 216794715U CN 202220178154 U CN202220178154 U CN 202220178154U CN 216794715 U CN216794715 U CN 216794715U
- Authority
- CN
- China
- Prior art keywords
- stator
- closed slot
- slot stator
- slots
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses an improved closed slot stator for wire embedding of a permanent magnet brushless direct current motor, which comprises a closed slot stator inner ring and a closed slot stator outer ring, wherein the periphery of the outer side wall of the closed slot stator inner ring is provided with a stator slot, the periphery of the inner side wall of the closed slot stator outer ring is uniformly provided with convex strips, the left side and the right side of each convex strip and the closed slot stator outer ring are provided with matched first connecting slots, the left side and the right side of the opening end of each stator slot and the closed slot stator inner ring are provided with inserting slots, the inner parts of the inserting slots are sleeved with matched sliding seats in a sliding way, the top ends of the sliding seats are welded with connecting seats, the top ends of the connecting seats are provided with second connecting slots, the middle parts of the bottom ends of the sliding seats are uniformly welded with a plurality of groups of telescopic rods, the outer walls of the telescopic rods are movably sleeved with adjusting springs, and the bottom ends of the adjusting springs are welded with the top ends of the abutting strips. The installation is convenient, the time is saved, and the installation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of permanent magnet brushless direct current motors, in particular to an improved closed slot stator for wire embedding of a permanent magnet brushless direct current motor.
Background
Compared with the traditional electric excitation motor, the permanent magnet motor, particularly the rare earth permanent magnet motor, has the obvious advantages of simple structure, reliable operation, small volume, small mass, less loss, high efficiency, flexible and various shapes and sizes of the motor and the like, and almost extends to various fields of aerospace, national defense, industrial and agricultural production and daily life because of extremely wide application range. The permanent magnet brushless motor can be regarded as a direct current motor which replaces mechanical commutation with an electronic commutation device, and mainly comprises a permanent magnet motor body, a rotor position sensor and an electronic commutation circuit. The permanent magnet dc brushless motor has many similarities with the conventional dc motor, no matter the structure or control mode: the rotor with permanent magnet is used to replace the stator magnetic pole of the brush DC motor; replacing the armature with a stator having a multi-phase winding; the mechanical commutator and brushes are replaced by an electronic commutator consisting of a solid state inverter and a shaft position detector.
The line embedding needs to be carried out in the assembly process of the traditional permanent magnet brushless direct current motor, the notch of the stator slot on the inner ring of the closed slot stator of the traditional direct current motor is small, the working personnel is required to continuously adjust the slot by using the winding blade, the stator winding is prevented from being exposed to the outside of the stator slot, inconvenience is brought to the working personnel in the process, time is wasted, and the line embedding efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an improved closed slot stator for wire embedding of a permanent magnet brushless direct current motor, which can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
an improved closed slot stator for wire embedding of a permanent magnet brushless direct current motor comprises a closed slot stator inner ring and a closed slot stator outer ring, wherein the closed slot stator inner ring is movably clamped with the closed slot stator outer ring, stator slots are formed in the peripheral edges of the outer side wall of the closed slot stator inner ring, raised lines are uniformly arranged on the periphery of the inner side wall of the closed slot stator outer ring, matched first connecting slots are formed in the left side and the right side of the raised lines and positioned on the closed slot stator outer ring, inserting slots are formed in the left side and the right side of the opening end of each stator slot and positioned on the closed slot stator inner ring, matched sliding seats are sleeved in the inserting slots in a sliding mode, a connecting seat is welded at the top end of each sliding seat, a second connecting slot is formed in the top end of the connecting seat, a plurality of telescopic rods are uniformly welded in the middle of the bottom end of each sliding seat, and the bottom ends of the telescopic rods are connected with the top ends of the telescopic rods in a welding mode, the outer wall activity of telescopic link has cup jointed adjusting spring, adjusting spring's top and the bottom welded connection of sliding seat, adjusting spring's bottom and the top welded connection of butt strip.
Preferably, the stator slots are provided with a plurality of groups, stator windings are installed inside the stator slots, and the stator windings are abutted to the bottom ends of the abutting strips; the width of the abutting strip is slightly smaller than that of the stator slot; and two adjacent groups of stator slots and insertion slots form winding teeth.
Preferably, the edges of the periphery of the inner ring of the closed slot stator are provided with channels matched with the connecting seat.
Preferably, the raised strip is in sliding sleeve connection with the second connecting groove, and the first connecting groove is matched with the connecting seat.
Preferably, the outer side wall of the inner ring of the closed slot stator is matched with the inner side wall of the outer ring of the closed slot stator.
Preferably, the height of inserting groove, the height of sliding seat, the height of connecting seat, the height of sand grip and the height of first connecting groove all are unanimous.
Compared with the prior art, the utility model has the following beneficial effects: the utility model is a closed slot stator for the wire embedding of an improved permanent magnet brushless direct current motor, when in use, a stator winding is uniformly and neatly wound on a winding tooth according to the wire embedding standard, because the slot opening of the stator slot is larger than the traditional slot opening, the stator winding can more easily enter the inside of the stator slot, thereby providing convenience for the installation of the stator winding, when each group of stator winding is installed, a sliding seat is held by hands and presses a butting strip towards the direction of the sliding seat, so that an adjusting spring and a telescopic rod are compressed, the butting strip is aligned to the stator slot, the sliding seat is aligned to a splicing slot to be inserted in a sliding way, when the sliding seat, the butting strip, the stator slot and the splicing slot are completely overlapped, each group of corresponding telescopic rods are driven to recover towards the initial position under the elastic force recovery action of each group of adjusting spring, and then the butting strip is driven to move towards the direction of the stator winding until the butting strip is driven to butt the stator winding tightly, the locking mechanism has the advantages that looseness is avoided in the follow-up using process, the raised strips on the closed slot stator outer ring are aligned to the second connecting grooves, the first connecting grooves are aligned to the connecting seats and are inserted in a sliding mode, then the closed slot stator outer ring and the closed slot stator inner ring are connected in a clamped mode, relative rotation between the closed slot stator inner ring and the closed slot stator outer ring is avoided, the wire embedding of the permanent magnet brushless direct current motor can be completed at the moment, the structure is simple, the installation is convenient, the time is saved, and the installation efficiency is improved.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a schematic view of the closed slot stator inner ring structure of the present invention;
FIG. 3 is a schematic view of the outer ring structure of the closed slot stator of the present invention;
FIG. 4 is an enlarged view of part A of the present invention.
In the figure: 1. a closed slot stator inner ring; 2. a closed slot stator outer ring; 3. a stator slot; 4. inserting grooves; 5. a channel; 6. a winding tooth; 7. a first connecting groove; 8. a convex strip; 9. a stator winding; 10. a sliding seat; 11. a connecting seat; 12. a second connecting groove; 13. adjusting the spring; 14. an abutment bar; 15. a telescopic rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-4, an improved closed slot stator for wire embedding of a permanent magnet brushless dc motor comprises a closed slot stator inner ring 1 and a closed slot stator outer ring 2, the closed slot stator inner ring 1 is movably clamped with the closed slot stator outer ring 2, a stator slot 3 is disposed at the peripheral edge of the outer side wall of the closed slot stator inner ring 1, raised strips 8 are uniformly disposed at the periphery of the inner side wall of the closed slot stator outer ring 2, matched first connecting slots 7 are disposed on the left and right sides of the raised strips 8 and on the closed slot stator outer ring 2, inserting slots 4 are disposed on the left and right sides of the open end of the stator slot 3 and on the closed slot stator inner ring 1, matched sliding seats 10 are slidably sleeved inside the inserting slots 4, connecting seats 11 are welded at the top ends of the sliding seats 10, second connecting slots 12 are disposed at the top ends of the connecting seats 11, multiple groups of telescopic rods 15 are uniformly welded at the middle parts of the bottom ends of the sliding seats 10, the bottom of telescopic link 15 and the top welded connection of butt strip 14, adjusting spring 13 has been cup jointed in the outer wall activity of telescopic link 15, adjusting spring 13's top and the bottom welded connection of sliding seat 10, adjusting spring 13's bottom and the top welded connection of butt strip 14.
Referring to fig. 1, 2 and 4, the stator slots 3 are provided with a plurality of groups, the stator windings 9 are installed inside the stator slots 3, and the stator windings 9 are abutted against the bottom ends of the abutting strips 14; the width of the abutting strips 14 is slightly smaller than that of the stator slots 3, and the abutting strips 14 are arranged to facilitate abutting of the stator windings 9, so that looseness is avoided; the adjacent two groups of stator slots 3 and the insertion slots 4 form winding teeth 6, and the winding teeth 6 are convenient for wire embedding.
Referring to fig. 1 and 4, a channel 5 matching with the connecting seat 11 is formed at the peripheral edge of the inner ring 1 of the closed slot stator.
Referring to fig. 1, 3 and 4, the protruding strip 8 is slidably sleeved with the second connecting groove 12, and the first connecting groove 7 is matched with the connecting seat 11, so as to prevent the closed slot stator inner ring 1 and the closed slot stator outer ring 2 from rotating relatively in the use process of the device.
Referring to fig. 1, 2 and 3, the outer side wall of the inner ring 1 of the closed slot stator matches with the inner side wall of the outer ring 2 of the closed slot stator, so as to prevent the inner ring 1 of the closed slot stator and the outer ring 2 of the closed slot stator from rotating relatively during the use of the device.
Referring to fig. 1, 2 and 3, the height of the inserting slot 4, the height of the sliding seat 10, the height of the connecting seat 11, the height of the protruding strip 8 and the height of the first connecting slot 7 are all the same.
It should be noted that, the utility model is an improved closed slot stator for wire embedding of permanent magnet brushless dc motor, when in use, the stator winding 9 is uniformly and neatly wound on the winding teeth 6 according to the wire embedding standard, because the slot opening of the stator slot 3 is larger than the traditional slot opening, the stator winding 9 can more easily enter the inside of the stator slot 3, thereby providing convenience for the installation of the stator winding 9, when each set of stator winding 9 is completely installed, the sliding seat 10 is held by hand and the abutting strip 14 is pressed towards the direction of the sliding seat 10, so that the adjusting spring 13 and the telescopic rod 15 are compressed, the abutting strip 14 is aligned with the stator slot 3, the sliding seat 10 is aligned with the insertion slot 4 for sliding insertion, when the sliding seat 10, the abutting strip 14, the stator slot 3 and the insertion slot 4 are completely overlapped, each set of the telescopic rod 15 is driven to return to the initial position under the elastic force recovery action of each set of the adjusting spring 13, and then drive butt strip 14 and move towards stator winding 9 direction, until driving butt strip 14 and support stator winding 9 tightly, it is not hard up to take place in the follow-up use to avoid, with the sand grip 8 alignment second spread groove 12 on the closed slot stator outer lane 2, first spread groove 7 is aimed at connecting seat 11 and is slided and inserted, and then closed slot stator outer lane 2 and closed slot stator inner circle 1 looks joint, avoid closed slot stator inner circle 1 and closed slot stator outer lane 2 to take place relative rotation, can accomplish permanent magnetism brushless DC motor's rule this moment, moreover, the steam generator is simple in structure, and is convenient to install, and the time is saved, and the installation efficiency is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an improved generation permanent magnetism brushless DC motor is closed slot stator for rule, includes closed slot stator inner circle (1) and closed slot stator outer lane (2), its characterized in that: the closed slot stator inner ring (1) is movably clamped with the closed slot stator outer ring (2), stator slots (3) are formed in the edges of the periphery of the outer side wall of the closed slot stator inner ring (1), raised lines (8) are uniformly arranged on the periphery of the inner side wall of the closed slot stator outer ring (2), matched first connecting slots (7) are formed in the left side and the right side of each raised line (8) and located on the closed slot stator outer ring (2), inserting slots (4) are formed in the left side and the right side of the opening end of each stator slot (3) and located on the closed slot stator inner ring (1), matched sliding seats (10) are sleeved in the inserting slots (4) in a sliding mode, connecting seats (11) are welded at the top ends of the sliding seats (10), second connecting slots (12) are formed in the top ends of the connecting seats (11), and a plurality of groups of telescopic rods (15) are uniformly welded in the middle of the bottom ends of the sliding seats (10), the bottom of telescopic link (15) and the top welded connection of butt strip (14), adjusting spring (13) has been cup jointed in the outer wall activity of telescopic link (15), the bottom welded connection of the top of adjusting spring (13) and sliding seat (10), the bottom of adjusting spring (13) and the top welded connection of butt strip (14).
2. The improved closed slot stator for wire insertion of permanent magnet brushless DC motor according to claim 1, wherein: the stator slot (3) is provided with a plurality of groups, a stator winding (9) is arranged in the stator slot (3), and the stator winding (9) is abutted against the bottom end of the abutting strip (14); the width of the abutting strip (14) is slightly smaller than that of the stator slot (3); and the adjacent two groups of stator slots (3) and the insertion slots (4) form winding teeth (6).
3. The improved closed slot stator for wire insertion of permanent magnet brushless DC motor according to claim 1, wherein: and the periphery edge of the closed slot stator inner ring (1) is provided with a channel (5) matched with the connecting seat (11).
4. The improved closed slot stator for wire insertion of permanent magnet brushless DC motor according to claim 1, wherein: the convex strip (8) is in sliding sleeve connection with the second connecting groove (12), and the first connecting groove (7) is matched with the connecting seat (11).
5. The improved closed slot stator for wire insertion of permanent magnet brushless DC motor according to claim 1, wherein: the outer side wall of the closed slot stator inner ring (1) is matched with the inner side wall of the closed slot stator outer ring (2).
6. The improved closed slot stator for wire insertion of permanent magnet brushless DC motor according to claim 1, wherein: the height of the insertion groove (4), the height of the sliding seat (10), the height of the connecting seat (11), the height of the convex strip (8) and the height of the first connecting groove (7) are all consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178154.XU CN216794715U (en) | 2022-01-24 | 2022-01-24 | Improved closed slot stator for wire embedding of permanent magnet brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178154.XU CN216794715U (en) | 2022-01-24 | 2022-01-24 | Improved closed slot stator for wire embedding of permanent magnet brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216794715U true CN216794715U (en) | 2022-06-21 |
Family
ID=82015865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220178154.XU Active CN216794715U (en) | 2022-01-24 | 2022-01-24 | Improved closed slot stator for wire embedding of permanent magnet brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216794715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979759A (en) * | 2023-09-14 | 2023-10-31 | 常州大牛汽车技术有限公司 | Stator rotor assembly low-loss motor with adjustable air gap |
-
2022
- 2022-01-24 CN CN202220178154.XU patent/CN216794715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979759A (en) * | 2023-09-14 | 2023-10-31 | 常州大牛汽车技术有限公司 | Stator rotor assembly low-loss motor with adjustable air gap |
| CN116979759B (en) * | 2023-09-14 | 2024-04-23 | 常州大牛汽车技术有限公司 | Stator rotor assembly low-loss motor with adjustable air gap |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8125117B2 (en) | Electric motor and rotor therefor | |
| EP2675041A2 (en) | Stator assembly for a brushless motor in a power tool | |
| EP2031743A3 (en) | Electric motor | |
| KR101558349B1 (en) | Rotor structure of drive motor | |
| CN216794715U (en) | Improved closed slot stator for wire embedding of permanent magnet brushless direct current motor | |
| EP1971014A3 (en) | Armature laminations | |
| CN215580796U (en) | Direct current motor and dust catcher | |
| CN206894407U (en) | A kind of low-voltage direct micro machine | |
| CN101447725A (en) | Side sensing permanent magnet DC motor | |
| KR100703176B1 (en) | Switched reluctance motor | |
| CN206237236U (en) | A kind of micro machine end cap | |
| CN204967501U (en) | Cable protection sleeve | |
| CN117318340B (en) | Novel brushless motor | |
| CN2753018Y (en) | Electromagnetic brush | |
| CN211579815U (en) | Connecting structure of motor rotor commutator | |
| CN217935231U (en) | Stably-assembled motor rotor set | |
| CN220822840U (en) | Brush DC motor | |
| CN210839089U (en) | Micro-motor | |
| CN212367093U (en) | Brushless DC motor with polygonal rotor | |
| CN216699731U (en) | Internal magnetic power driving device of hub motor | |
| CN203503947U (en) | Commutator segment connecting structure of commutator | |
| CN211351836U (en) | Motor with double-magnetic structure | |
| CN220822714U (en) | External rotor brushless motor | |
| CN218071202U (en) | Permanent magnet motor convenient to location installation | |
| CN218415938U (en) | DC motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |