CN220457224U - Novel external rotor brushless motor - Google Patents
Novel external rotor brushless motor Download PDFInfo
- Publication number
- CN220457224U CN220457224U CN202321715091.8U CN202321715091U CN220457224U CN 220457224 U CN220457224 U CN 220457224U CN 202321715091 U CN202321715091 U CN 202321715091U CN 220457224 U CN220457224 U CN 220457224U
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- CN
- China
- Prior art keywords
- motor
- brushless motor
- crankshaft
- outer rotor
- external rotor
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- 238000013016 damping Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 19
- 230000001105 regulatory effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to the technical field of brushless motors, in particular to a novel outer rotor brushless motor which comprises a motor main body, wherein the motor main body consists of an outer rotor shell and a crankshaft fixing seat, a rotating shaft is arranged at the left end of the outer rotor shell, a key slot is formed in the rotating shaft, a crankshaft is arranged at the right end of the outer rotor shell, an adjusting groove is formed in the crankshaft, the crankshaft fixing seat consists of a mounting plate and a sliding guide inserted rod, a positioning clamping groove is formed in the sliding guide inserted rod, a screw hole is formed in the crankshaft, and a positioning stud is connected in the screw hole in a threaded manner. Can realize according to the actual installation interval needs that the horizontal length size of motor fixing base and motor main part is whole to guarantee that the pivot on the motor main part is enough to key connection installation thing and effectively install, improved the adjustable mountability of motor fixing base on the external rotor brushless motor, improved the structural stability of motor fixing base itself on the external rotor brushless motor.
Description
Technical Field
The utility model relates to the technical field of brushless motors, in particular to a novel external rotor brushless motor.
Background
An external rotor brushless motor generally consists of a motor main body and a driver, and is a typical electromechanical integrated product.
The outer rotor brushless motor generally comprises an outer rotor shell, a rotating shaft, a crankshaft and a crankshaft fixing seat, and is suitable for being installed in an impeller.
At present, current external rotor brushless motor installs in the position of needs through the spindle fixing base when general, and its spindle mostly can not carry out horizontal length adjustment according to actual installation interval, causes to increase metal gasket and just can make the pivot reach the key connection installation thing, greatly reduced the adjustable mountability of spindle fixing base on the external rotor brushless motor, in addition, current external rotor brushless motor, the structural stability of its spindle fixing base itself is lower.
The above problems are widespread and improvements are urgently needed.
Disclosure of Invention
The utility model aims to provide a novel outer rotor brushless motor, which solves the problems that in the prior art, the adjustable installability of a shaft fixing seat on the outer rotor brushless motor is low and the structural stability of the shaft fixing seat on the outer rotor brushless motor is low.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel external rotor brushless motor, includes the motor main part, the motor main part comprises external rotor casing and spindle fixing base, the left end of external rotor casing is equipped with the pivot, the keyway has been seted up in the pivot, the right-hand member of external rotor casing is equipped with the spindle.
Preferably, the adjusting groove is formed in the crankshaft, the crankshaft fixing seat is composed of a mounting plate and a sliding guide inserting rod, a positioning clamping groove is formed in the sliding guide inserting rod, a screw hole is formed in the crankshaft, a positioning stud is connected with the screw hole in a threaded mode, an inner hexagonal groove and a cross groove are formed in the positioning stud, and the application range of the positioning stud is improved.
Preferably, the side cross section of leading smooth inserted bar and adjustment tank is square shape structure, the inner wall of adjustment tank is provided with the damping layer, and the damping layer is damping silica gel material, has damping friction nature.
Preferably, the positioning clamping grooves are two groups which are symmetrical front and back, each group is fourteen in transverse arrangement, and transverse size adjustment of the crankshaft fixing seat and the motor main body can be achieved.
Preferably, the mounting plate is provided with six mounting holes which are circumferentially arranged, and the crankshaft fixing seat can be stably mounted through bolts and the mounting holes.
Preferably, a reinforcing rib is arranged between the mounting plate and the sliding guide inserted rod, the section of the reinforcing rib is of a triangular structure, and the reinforcing rib is made of hard alloy tungsten steel.
Preferably, the reinforcing ribs are four groups which are circumferentially arranged, and each group is symmetrically two in number, so that the structural stability of the shaft fixing seat on the outer rotor brushless motor is improved.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the stable guiding sliding structure is arranged between the crankshaft and the crankshaft fixing seat, and the symmetrical thread clamping and positioning structure is arranged, so that the transverse length dimension adjustment of the crankshaft fixing seat and the motor main body as a whole can be realized according to the actual installation interval requirement, the effective installation of the key connection installation object of the rotating shaft on the motor main body is ensured, and the adjustable installation property of the crankshaft fixing seat on the outer rotor brushless motor is improved.
2. According to the utility model, the reinforcing rib structures are symmetrically arranged between the mounting plate of the shaft fixing seat and the sliding guide inserted rod circumferentially, so that the structural stability of the shaft fixing seat on the outer rotor brushless motor is improved.
Drawings
FIG. 1 is an exploded perspective view of the overall structure of the present utility model;
FIG. 2 is a front perspective view of the guide slide insert of the present utility model positioned for insertion into a crankshaft;
FIG. 3 is a perspective view of the crankshaft mounting of FIG. 1 according to the present utility model;
FIG. 4 is an enlarged view of the utility model at Y in FIG. 2;
fig. 5 is a perspective view of the positioning stud of fig. 1 according to the present utility model.
In the figure: the motor comprises a motor main body, an outer rotor shell, a rotating shaft, a key groove, a shaft, a screw hole, a regulating groove, a damping layer, a mounting disc, a mounting hole, a shaft fixing seat, a sliding guide inserting rod, a positioning clamping groove, a reinforcing rib, a positioning stud, a hexagonal groove and a cross groove, wherein the regulating groove is formed in the motor main body, the outer rotor shell, the rotating shaft, the key groove is formed in the rotating shaft, the regulating groove is formed in the rotating shaft, the damping layer is formed in the motor main body, the regulating groove is formed in the regulating groove, the damping layer is formed in the regulating groove, the mounting disc is arranged in the regulating groove, the damping layer is arranged in the regulating groove, the regulating groove is formed.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 5, a novel outer rotor brushless motor in the drawings includes a motor main body 1, the motor main body 1 is composed of an outer rotor housing 11 and a shaft fixing seat 6, a rotating shaft 2 is arranged at the left end of the outer rotor housing 11, a key slot 21 is arranged on the rotating shaft 2, a shaft 3 is arranged at the right end of the outer rotor housing 11, and the related structure in the novel claims is a component structure of the outer rotor brushless motor, so that the prior art is provided with some existing structures without drawing marks and repeated description.
The adjusting groove 4 is formed in the crankshaft 3, the crankshaft fixing seat 6 is composed of the mounting plate 5 and the sliding guide inserting rod 60, the positioning clamping groove 61 is formed in the sliding guide inserting rod 60, the screw hole 31 is formed in the crankshaft 3, the positioning stud 8 is connected with the screw hole 31 in a threaded mode, when the positioning stud 8 is clamped into the positioning clamping groove 61, the screw groove 31 is not exposed, attractiveness is achieved, and normal use of the motor main body 1 is not affected.
The positioning stud 8 is provided with the inner hexagonal groove 81 and the cross groove 82, and the inner hexagonal wrench, the cross screwdriver and the straight screwdriver can rotate the positioning stud 8 through the two inner grooves, so that the application range of the positioning stud 8 is improved.
The side sections of the guide sliding inserted rod 60 and the adjusting groove 4 are square structures, so that the guide sliding inserted rod 60 is guided and inserted into the adjusting groove 4, and further, the positioning studs 8 on the front side and the rear side can be clamped into the positioning clamping groove 61 in a threaded transmission manner.
The inner wall of the adjusting groove 4 is provided with a damping layer 41, the damping layer 41 is made of damping silica gel, damping friction is achieved, and stable sliding of the sliding guide inserting rod 60 in the adjusting groove 4 is achieved.
The positioning clamping grooves 61 are two groups which are symmetrical from front to back, and each group is fourteen in transverse arrangement, so that the transverse size adjustment of the crankshaft fixing seat 6 and the motor main body 1 can be realized.
The mounting plate 5 is provided with six mounting holes 51, the number of the mounting holes 51 is six in circumferential arrangement, and the crankshaft fixing seat 6 can be stably mounted through bolts and the mounting holes 51.
The reinforcing rib 7 is arranged between the mounting plate 5 and the sliding guide inserted rod 60, the section of the reinforcing rib 7 is of a triangular structure, the reinforcing rib 7 is made of hard alloy tungsten steel, the strength is high, the deformation is avoided, and the triangular structure has excellent stability.
The reinforcing ribs 7 are four groups which are circumferentially arranged, and each group is symmetrically two in number, so that the structural stability of the shaft fixing seat 6 of the outer rotor brushless motor is improved.
When used in this embodiment: during installation, firstly, the installation disc 5 is installed on a preset motor installation plate through the bolts and the installation holes 51, then the crankshaft 3 of the motor main body 1 is spliced with the sliding guide inserted rod 60 through the adjusting groove 4, at the moment, the motor main body 1 can be transversely adjusted to ensure that the key slot 21 on the rotating shaft 2 is suitable for the size of a key connection installation object which needs to be installed at present, the key connection installation is carried out on the key connection installation object and the key connection installation object through a flat key, then, the positioning stud 8 is rotated clockwise by using an inner hexagonal wrench or a cross screwdriver, the positioning stud 8 can be clamped into the currently aligned positioning clamping groove 61 through the thread transmission of the screw hole 31, the positioning clamping connection between the crankshaft fixing seat 6 and the crankshaft 3 can be realized, the transverse length size adjustment of the crankshaft fixing seat 6 and the whole motor main body 1 can be realized according to the actual installation interval requirement, so that the rotating shaft 2 on the motor main body 1 can be effectively installed on the key connection installation object, and the adjustable installation property of the crankshaft fixing seat 6 on the outer rotor is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A novel external rotor brushless motor, characterized by comprising:
the motor main body (1), motor main body (1) comprises outer rotor casing (11) and spindle fixing base (6), the left end of outer rotor casing (11) is equipped with pivot (2), keyway (21) have been seted up on pivot (2), the right-hand member of outer rotor casing (11) is equipped with spindle (3), adjustment tank (4) have been seted up on spindle (3), spindle fixing base (6) comprise mounting disc (5) and guide slip inserted bar (60), guide slip inserted bar (60) are last to have seted up positioning slot (61), screw (31) have been seted up on spindle (3), screw (31) internal thread connection has positioning stud (8), hexagonal groove (81) and cross recess (82) have been seted up on positioning stud (8), be equipped with between mounting disc (5) and guide slip inserted bar (60) and consolidate rib (7), the cross-section of consolidating rib (7) is triangle-shaped structure.
2. The novel external rotor brushless motor of claim 1, wherein: the side sections of the sliding guide inserting rod (60) and the adjusting groove (4) are square structures, and a damping layer (41) is arranged on the inner wall of the adjusting groove (4).
3. The novel external rotor brushless motor of claim 1, wherein: the positioning clamping grooves (61) are two groups which are symmetrical in front-back direction, and each group is fourteen in transverse arrangement.
4. The novel external rotor brushless motor of claim 1, wherein: the mounting plate (5) is provided with mounting holes (51), and the number of the mounting holes (51) is six in circumferential arrangement.
5. The novel external rotor brushless motor of claim 1, wherein: the reinforcing ribs (7) are four groups which are circumferentially arranged, and the number of each group is two symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715091.8U CN220457224U (en) | 2023-06-30 | 2023-06-30 | Novel external rotor brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715091.8U CN220457224U (en) | 2023-06-30 | 2023-06-30 | Novel external rotor brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220457224U true CN220457224U (en) | 2024-02-06 |
Family
ID=89736134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321715091.8U Active CN220457224U (en) | 2023-06-30 | 2023-06-30 | Novel external rotor brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220457224U (en) |
-
2023
- 2023-06-30 CN CN202321715091.8U patent/CN220457224U/en active Active
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