CN217115807U - Shaftless motor for circulating fan - Google Patents
Shaftless motor for circulating fan Download PDFInfo
- Publication number
- CN217115807U CN217115807U CN202123199771.2U CN202123199771U CN217115807U CN 217115807 U CN217115807 U CN 217115807U CN 202123199771 U CN202123199771 U CN 202123199771U CN 217115807 U CN217115807 U CN 217115807U
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- bearing
- bearing seat
- circulation fan
- shaftless motor
- fan according
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Abstract
The utility model discloses a shaftless motor is used to circulation fan, include: the bearing seat is provided with bearings at two ends; the rotor assembly comprises a rotor shell and a magnetic conduction ring fixed in the rotor shell, and the rotor shell is rotatably arranged on the periphery of the bearing seat through a bearing; the stator assembly comprises a stator core, and the stator core and the control board are both fixed in the middle of the bearing seat; the wire pressing clamp is axially inserted in the outer side of the bearing seat, the inner side of the wire pressing clamp and the outer side of the bearing seat form an axial channel for a lead to pass through in a closed mode, the lead is connected with the control panel through the axial channel, and the stability of lead installation is guaranteed on the premise that a motor structure is not damaged.
Description
Technical Field
The utility model relates to a shaftless motor technical field, concretely relates to shaftless motor is used to circulation fan.
Background
At present, circulation fan motor on the market, including stator and rotor, the axial grafting of rotor is in the stator, and the rotor is located the outside, for convenient wiring, sets the rotor to cavity, supplies other components and parts to pass through simultaneously, but the rotor structural strength of this kind of mode is not high, is unfavorable for the long-term use of circulation fan.
In addition, the power supply of the motor in the prior art still adopts a lead wire connection mode, a through hole needs to be formed in the end cover of the motor for the lead wire to pass through, the motor structure is damaged by the mode, and the lead wire forms a vertical bevel at the through hole, so that the motor is easy to damage and aggravate aging after long-term use.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a circulating fan is with shaftless motor, under the prerequisite of not destroying motor structure, guarantees the stability of lead wire installation.
The above technical purpose of the present invention can be achieved by the following technical solutions: a shaftless motor for a circulation fan, comprising: the bearing seat is provided with bearings at two ends; the rotor assembly comprises a rotor shell and a magnetic conduction ring fixed in the rotor shell, and the rotor shell is rotatably arranged on the periphery of the bearing seat through a bearing; the stator assembly comprises a stator core, and the stator core and the control board are both fixed in the middle of the bearing seat; the pressing clamp is axially inserted in the outer side of the bearing seat, the inner side of the pressing clamp and the outer side of the bearing seat are closed to form an axial channel for a lead to pass through, and the lead is connected with the control panel through the axial channel.
Furthermore, the bearing seat is positioned at the bottom of the axial channel to form a supporting part, the lead forms an arc-shaped bend at the bottom of the wire pressing clamp, the supporting part is supported at the bottom of the arc-shaped bend, and the tail end of the arc-shaped bend is horizontally connected with the control panel.
Further, the wire clip is radially sandwiched between the bearing and the bearing seat.
Furthermore, a first channel is formed in the inner side of the wire pressing clamp, a second channel is formed in the outer side of the bearing seat, and the first channel and the second channel are closed to form an axial channel.
Further, the bearing seat is arranged in a hollow mode and forms a hole groove for the circulating fan cable to pass through.
Furthermore, the end parts of the two sides of the wire pressing clamp are arranged in an outward expansion shape, and the wire pressing clamp and the outer wall of the bearing seat are coplanar to form a whole circle.
Furthermore, the bearing seat is provided with a ring protrusion for supporting the bearing, a step is formed on the outer side of the wire clamp, the step and the ring protrusion are coplanar, and the bearing is supported on the ring protrusion and the end face of the step.
Further, the two ends of the rotor shell are inwards provided with end seats, the bearing outer ring is abutted against the end seats, and the bearing inner ring is abutted against the bearing seat and the wire pressing clamp.
Further, a bearing sleeve is arranged outside the bearing, the bearing sleeve is tightly matched with the end seat, and a wave spring is further arranged between the bearing and the rotor shell.
Furthermore, the outside of the rotor shell is provided with a fixing ring used for being connected with the fan blade of the circulating fan.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect: the motor comprises a stator assembly, a rotor shell and a motor, wherein the stator assembly is fixed in the middle of the motor through a bearing seat, bearings are arranged at two ends of the bearing seat, the rotor assembly is rotationally arranged on the periphery of the stator assembly through the bearing seat and the bearings, and a fan blade of a circulating fan is arranged on the rotor shell to realize rotation of the fan blade;
the bearing seat is fixed and arranged in a hollow mode, and a clearance position is formed in the center of the motor, so that an internal lead of the circulating fan can conveniently penetrate through the motor;
through setting up the fastener on the bearing frame, constitute the axial passageway between bearing frame and the fastener for inside the lead wire of motor can penetrate the motor from the axial, through the bearing, the bearing frame, fastener and rotor housing provide radial compressing tightly to the lead wire, the lead wire forms the arc and buckles in axial passageway bottom, bearing position arc on the bearing frame is buckled and is provided the support, enlarge the radian of buckling simultaneously, avoid the perpendicular dog-ear of lead wire corner, reduce the atress of lead wire, effectively increase the life of lead wire.
Drawings
FIG. 1 is a schematic view of the steam cleaner and base of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a schematic structural diagram of a control panel and a bearing seat of the present invention;
fig. 5 is an exploded view of the clip and bearing seat of the present invention;
in the figure: 1. a bearing seat; 1.1, a support part; 1.2, a second channel; 1.3, annular convex; 2. a bearing; 3. a rotor housing; 3.1, end seats; 3.2, fixing a ring; 4. a magnetic conductive ring; 5. a stator core; 6. a control panel; 7. wire pressing clamps; 7.1, a first channel; 7.2, steps; 8. an axial channel; 9. a lead wire; 9.1, bending in an arc shape; 10. a bearing housing; 11. a wave spring; 12. an upper insulating framework; 13. a lower insulating skeleton; 14. an enameled coil; 15. a rubber magnetic strip;
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.
As shown in fig. 1 to 5, a shaftless motor for a circulation fan includes:
the bearing comprises a bearing seat 1, wherein bearings 2 are arranged at two ends of the bearing seat 1;
the rotor assembly comprises a rotor shell 3 and a magnetic conductive ring 4 fixed in the rotor shell 3, wherein the rotor shell 3 is rotatably arranged on the periphery of the bearing seat 1 through a bearing 2;
the stator assembly comprises a stator core 5, and the stator core 5 and the control board 6 are both fixed in the middle of the bearing block 1;
the pressing wire clamp 7 is axially inserted outside the bearing seat 1, the pressing wire clamp 7 is radially clamped between the bearing 2 and the bearing seat 1, the inner side of the pressing wire clamp 7 and the outer side of the bearing seat 1 are closed to form an axial channel 8 for a lead 9 to pass through, and the lead 9 is connected with the control board 6 through the axial channel 8.
Stator module passes through bearing frame 1 and is fixed in the middle part of motor, sets up bearing 2 at the both ends of bearing frame 1, and the rotor subassembly passes through bearing frame 1 and the setting of bearing 2 pivoted in stator module's periphery, and the fan blade of circulation fan is installed on rotor housing 3, realizes the rotation of fan blade, adopts the external rotor structure, and motor efficiency is higher, and the moment of torsion is bigger.
Through set up wire clip 7 on bearing frame 1, constitute axial passage 8 between bearing frame 1 and the wire clip 7 for inside the lead wire 9 of motor can penetrate the motor from the axial, through bearing 2, bearing frame 1, wire clip 7 and rotor housing 3 provide radial compressing tightly to lead wire 9, lead wire 9 forms the arc 9.1 of buckling in axial passage 8 bottom.
In this embodiment, stator module is including fixing stator core 5, upper insulation skeleton 12, lower insulation skeleton 13 and the enameled wire coil 14 on bearing frame 1, upper insulation skeleton 12 constitutes the upper portion at stator core 5, lower insulation skeleton 13 constitutes the lower part at stator core 5, enameled wire coil 14 encloses and closes on upper and lower insulation skeleton 13.
The rotor subassembly includes rotor housing 3, inlays magnetic ring 4 of establishing on rotor housing 3 inner wall to and cover rubber magnetic stripe 15 on magnetic ring 4, rubber magnetic stripe 15 is located stator core 5's peripheral part.
In this embodiment, in order to increase the service life of the lead 9, the bearing seat 1 is located at the bottom of the axial channel 8 to form a supporting portion 1.1, the lead 9 is pressed in the axial channel 8 in a flat state, the lead 9 forms an arc-shaped bend 9.1 at the bottom of the wire clip 7, the supporting portion 1.1 is supported at the bottom of the arc-shaped bend 9.1, the supporting portion 1.1 on the bearing seat 1 is provided with a support, and meanwhile, the bending radian is enlarged, so that a vertical bending angle at the corner of the lead 9 is avoided, the stress on the lead 9 is reduced, and the service life of the lead 9 is effectively increased.
Wherein, the arc is buckled 9.1 end and is connected with control panel 6 level for the hookup location of lead wire 9 and control panel 6 does not receive the force, is favorable to connecting stability and increase life.
As an embodiment of the axial passage 8, a first channel 7.1 is formed on the inner side of the wire clamp 7, a second channel 1.2 is concavely formed on the outer side of the bearing seat 1, and the first channel 7.1 and the second channel 1.2 are closed to form the axial passage 8.
Specifically, bearing frame 1 is fixed and the cavity sets up, forms the position of keeping away the sky at the motor center, and the inside wire of the circulation fan of being convenient for passes from the motor is inside, forms the hole groove that supplies the circulation fan cable to pass through.
Specifically, the both sides tip of pressing clamp 7 is the form setting that expands outward, second channel 1.2 has the trend of drawing in to prevent pressing clamp 7 radially to deviate from, and when the installation, pressing clamp 7 needs axial to insert to second channel 1.2 in, just pressing clamp 7 and the outer wall coplane of bearing frame 1 constitution whole circle.
Specifically, the bearing seat 1 is provided with a ring bulge 1.3 for supporting the bearing 2, in order to increase the tightness of the wire clamp 7 on the bearing seat 1, a step 7.2 is formed on the outer side of the wire clamp 7, the step 7.2 and the ring bulge 1.3 are coplanar, and the bearing 2 is supported on the end faces of the ring bulge 1.3 and the step 7.2.
Specifically, the two ends of the rotor shell 3 are inwardly provided with end seats 3.1, the outer ring of the bearing 2 is abutted against the end seats 3.1, and the inner ring of the bearing 2 is abutted against the bearing seat 1 and the wire pressing clamp 7.
Specifically, the bearing 2 is externally provided with a bearing sleeve 10, the bearing sleeve 10 is tightly matched with the end seat 3.1, and a wave spring 11 is further arranged between the bearing 2 and the rotor housing 3.
Specifically, rotor housing 3 outside is equipped with the solid fixed ring 3.2 that is used for being connected with the fan blade of circulation fan, through being connected the fan blade with solid fixed ring 3.2 to drive the fan blade through rotor housing 3 and rotate.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. A shaftless motor for a circulation fan, comprising:
the bearing comprises a bearing seat (1), wherein bearings (2) are arranged at two ends of the bearing seat (1);
the rotor assembly comprises a rotor shell (3) and a magnetic conduction ring (4) fixed in the rotor shell (3), wherein the rotor shell (3) is rotatably arranged on the periphery of the bearing seat (1) through a bearing (2);
the stator assembly comprises a stator core (5), and the stator core (5) and the control board (6) are both fixed in the middle of the bearing block (1);
the pressing wire clamp (7) is inserted in the outer side of the bearing seat (1), the inner side of the pressing wire clamp (7) and the outer side of the bearing seat (1) are closed to form an axial channel (8) for a lead (9) to pass through, and the lead (9) is connected with the control panel (6) through the axial channel (8).
2. The shaftless motor for the circulation fan according to claim 1, wherein: the bearing seat (1) is located at the bottom of the axial channel (8) to form a supporting portion (1.1), the lead (9) forms an arc-shaped bend (9.1) at the bottom of the line pressing clamp (7), the supporting portion (1.1) is supported at the bottom of the arc-shaped bend (9.1), and the tail end of the arc-shaped bend (9.1) is horizontally connected with the control board (6).
3. The shaftless motor for the circulation fan according to claim 1, wherein: the wire clamp (7) is clamped between the bearing (2) and the bearing seat (1) along the radial direction.
4. The shaftless motor for a circulation fan according to claim 1, wherein: first channel (7.1) have been seted up to press fastener (7) inboard, second channel (1.2) have been seted up in bearing frame (1) outside, first channel (7.1) and second channel (1.2) are closed and are constituted axial passageway (8).
5. The shaftless motor for a circulation fan according to claim 1, wherein: the bearing seat (1) is arranged in a hollow mode and forms a hole groove for the circulating fan cable to pass through.
6. The shaftless motor for a circulation fan according to claim 1, wherein: the end parts of two sides of the wire pressing clamp (7) are arranged in an outward expanding shape, and the wire pressing clamp (7) and the outer wall of the bearing seat (1) are coplanar to form a whole circle.
7. The shaftless motor for a circulation fan according to claim 1, wherein: the bearing seat (1) is provided with a ring protrusion (1.3) for supporting the bearing (2), the outer side of the wire clamp (7) is provided with a step (7.2), the step (7.2) and the ring protrusion (1.3) are coplanar, and the bearing (2) is supported on the end faces of the ring protrusion (1.3) and the step (7.2).
8. The shaftless motor for a circulation fan according to claim 1, wherein: the two ends of the rotor shell (3) are inwards provided with end seats (3.1), the outer ring of the bearing (2) is abutted against the end seats (3.1), and the inner ring of the bearing (2) is abutted against the bearing seat (1) and the wire pressing clamp (7).
9. The shaftless motor for a circulation fan according to claim 8, wherein: bearing housing (10) is equipped with in bearing (2) outside, bearing housing (10) and end seat (3.1) closely cooperate, just still be equipped with wave spring (11) between bearing (2) and rotor housing (3).
10. The shaftless motor for a circulation fan according to claim 1, wherein: and a fixing ring (3.2) used for being connected with a fan blade of the circulating fan is arranged outside the rotor shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199771.2U CN217115807U (en) | 2021-12-17 | 2021-12-17 | Shaftless motor for circulating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199771.2U CN217115807U (en) | 2021-12-17 | 2021-12-17 | Shaftless motor for circulating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217115807U true CN217115807U (en) | 2022-08-02 |
Family
ID=82590080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123199771.2U Active CN217115807U (en) | 2021-12-17 | 2021-12-17 | Shaftless motor for circulating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217115807U (en) |
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2021
- 2021-12-17 CN CN202123199771.2U patent/CN217115807U/en active Active
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