CN204928412U - Shaftless disc type electric machine - Google Patents
Shaftless disc type electric machine Download PDFInfo
- Publication number
- CN204928412U CN204928412U CN201520497067.0U CN201520497067U CN204928412U CN 204928412 U CN204928412 U CN 204928412U CN 201520497067 U CN201520497067 U CN 201520497067U CN 204928412 U CN204928412 U CN 204928412U
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- rotor
- bearing
- boss
- stator
- motor
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Abstract
The utility model provides a shaftless disc type electric machine, it is main including the stator seat, the rotor, the sleeve pipe, a stator, thrust bearing, the rotor bearing, the stator is equipped with on the stator installation face on the stator seat, the interior circle of sheathed tube installation end and the boss interference fit on the stator seat, lay thrust bearing on the boss, thrust bearing supports the rotor boss and keeps the air gap between stator and rotor, the sleeve pipe passes through the rotor bearing and supports the rotor, this disc type electric machine can be directly and the cooperation of the input axle key of equipment, iron core material utilization rate is high, simple structure is quick detachable, the motor precision is guaranteed easily, the rotor supports rationally, the rigidity is good, high precision, axial dimensions is short, motor cover and casing can share with corollary equipment, easy maintenance with low costs.
Description
Technical field
The utility model belongs to disc type electric machine.
Background technology
Rotor is wrapped in motor internal by motor conventional at present all stator, and this rotor radiating condition is bad, and core material utilance is low, and on the other hand, motor axial dimension is long, makes application of special occasions limited.
Small-sized interchange disc type motor material utilance is high, energy-efficient, but distance between bearings on its power shaft is comparatively near, stressed bad, power shaft two ends overhang, one end support rotor, the other end reaches outside motor through the ring flange installing stator, and rotor and power shaft are slidably matched, from rotor to power shaft, to bearing and ring flange, its fit tolerance and structural elasticity are all the size of gaps that the data relationship that amplifies affects between rotor stator, so it is large to exchange disc type motor manufacturing difficulty.
Utility model content
The purpose of this utility model is to propose a kind of shaftless disc type electric machine, and its structure is simple, perfect heat-dissipating, and core material utilance is high, and axial dimension is short, rationally distributed, is easy to processing, is convenient to installation and maintenance.
In order to realize above object, the utility model adopts following technical scheme:
The utility model mainly comprises stator seat, rotor, sleeve pipe, stator, thrust bearing, rotor bearing.Described stator seat comprises stator installed surface, stator installed surface there is boss, boss is right cylindrical, there is boss bearing chamber at the boss center of stator seat, boss bearing is installed in boss bearing chamber, conveniently boss bearing removal, screw sheet is had under the boss bearing of stator seat, screw sheet is a disc nut, the external diameter of screw sheet is less than the external diameter of boss bearing, be greater than the internal diameter of boss bearing, stator installed surface also has a seam and fairlead, and the motor down-lead of stator can be drawn from fairlead.
Described rotor comprises rotor magnetic surface, the rotor back side, rotor bearing room, rotor boss, delivery outlet, blind hole, its rotor magnetic surface is parallel with the rotor back side, rotor magnetic surface centre bit is equipped with blind hole, blind hole is perpendicular to rotor magnetic surface, blind hole there is rotor bearing room, rotor bearing is equipped with in rotor bearing indoor, there is rotor boss at blind via bottom center, there is delivery outlet at rotor boss center, keyway is had (as preferably in delivery outlet, end face and the rotor magnetic surface of rotor boss are same planes), rotor back side Central places is with projection, protruding external diameter is greater than the internal diameter of rotor bearing room, be used for reinforcing the connection at rotor boss and the rotor back side.
Described sleeve pipe comprises bearing end, installation end, bearing installation step, and its middle sleeve is tubulose, the cylindrical of bearing end has bearing installation step, and the hole of installation end is concentric with bearing installation step.
When this utility model is as braking motor, the rotor back side of rotor also has the brake strip of annular, rotor bearing is needle bearing, thrust bearing in sleeve pipe also has a tripping spring, the internal diameter of tripping spring is greater than rotor boss external diameter, height after tripping spring extends is greater than the height of rotor boss, and motor cover has braking surface.
The utility model also has an electrical appliance kit, and electrical appliance kit is arranged on the stator seat back side of stator seat, and electrical appliance kit is bowl-type, and side is porose, and water joint is equipped with in hole.
The utility model also has a motor cover, motor cover has motor cover seam and motor cap bore, and motor cover seam and motor cap bore are concentric, and motor cap bore is built with oil sealing.
The utility model also has a casing, casing coordinates with the seam on stator seat, a motor cover is provided with in the cavity of casing, the cavity interference fit of motor cover cylindrical and device body, have casing jump-ring slot in casing, the in-built porose back-up ring of casing jump-ring slot, motor cover also have locked groove in the side of casing jump-ring slot, the external diameter of locked groove is slightly less than the internal diameter of the hole back-up ring on casing jump-ring slot, and locked groove is buckled on the back-up ring of hole.
The utility model is combination assembling like this, stator installed surface on described stator seat is equipped with stator, the inner circle of the installation end of sleeve pipe and boss interference fit (tight fit), now boss is positioned at inside pipe casing simultaneously, thrust bearing laid by boss, thrust bearing support rotor boss keeps the air gap between stators and rotators, the bearing end of sleeve pipe is by rotor bearing support rotor, also rotor pads is installed between rotor boss and thrust bearing, the size of gaps between stators and rotators can be regulated by the rotor pads that replacing thickness is different.
The power shaft of corollary equipment of the present utility model directly can penetrate motor, coordinate with the rotor key of motor, compared with common electric machine, it is advantageous that common electric machine needs shaft coupling to connect power shaft, the utility model is connected with the power shaft of corollary equipment and does not need shaft coupling, size is short, saves cost.
The utility model can run without the need to motor shaft support rotor, therefore is named as " shaftless disc type electric machine ".The utility model can directly coordinate with the input axle key of equipment, and core material utilance is high, and structure is simple and easy to dismounting, and motor precision easily ensures, rotor supports is reasonable, good rigidly, and precision is high, axial dimension is short, and motor cover and casing can share with corollary equipment, the low easy-maintaining of cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is stator seat structural representation of the present utility model.
Fig. 3 is rotor structure schematic diagram of the present utility model.
Fig. 4 is sleeve structure schematic diagram of the present utility model.
Fig. 5 is brake structure schematic diagram of the present utility model.
Fig. 6 is that motor cover of the present utility model is at chassis end schematic diagram.
Fig. 7 is motor cover of the present utility model schematic diagram in casing.
Fig. 8 is the structural representation one of the utility model as individual motor.
Fig. 9 is the structural representation two of the utility model as individual motor.
Figure 10 is that the utility model loads schematic diagram in corollary equipment cavity.
In figure: 1-stator seat, 1.1-boss, 1.2-stator installed surface, 1.3-stator installing hole, 1.4-boss bearing chamber, 1.5-boss bearing, 1.6-fairlead, the 1.7-stator seat back side, 1.8-seam, 2-rotor, 2.1-rotor magnetic surface, the 2.2-rotor back side, 2.3-rotor bearing room, 2.4-rotor boss, 2.5-delivery outlet, 2.6-circular hole inside groove, 2.7-brake strip, 2.8-blind hole, 3-stator, 4-sleeve pipe, 4.1-bearing end, 4.2-installation end, 4.3-bearing installation step, 5-thrust bearing, 6-rotor pads, 7-motor cover, 7.1-braking surface, 7.2-locked groove, 7.3-motor cap bore, 7.4-motor cover bearing, 7.5 motor cover seams, 8-rotor bearing, 10-electrical appliance kit, 11-water joint, 12-screw sheet, 13-power shaft, 15-oil sealing, 16-casing, 19-casing jump-ring slot, 21-tripping spring, 23-motor down-lead.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model mainly comprises stator seat (1), rotor (2), sleeve pipe (4), stator (3), thrust bearing (5), rotor bearing (8).
As Fig. 1, Fig. 2, shown in Fig. 9, described stator seat (1) comprises stator installed surface (1.2), fairlead (1.6), seam (1.8) and the stator seat back side (1.7), stator installed surface (1.2) there is boss (1.1), boss (1.1) is right cylindrical, there is boss bearing chamber (1.4) at boss (1.1) center, boss bearing (1.5) is installed in boss bearing chamber (1.4), conveniently boss bearing (1.5) dismounting, screw sheet (12) is had under the boss bearing (1.5) of stator seat (1), screw sheet (12) is a disc nut, the external diameter of screw sheet (12) is less than the external diameter of boss bearing (1.5), be greater than the internal diameter of boss bearing (1.5), stator installed surface (1.2) is upper also has equally distributed stator installing hole (1.3), seam (1.8) is in stator installed surface (1.2) outer end, the motor down-lead (23) of stator (3) can be drawn from fairlead (1.6).
As Fig. 1, shown in Fig. 3, described rotor (2) comprises rotor magnetic surface (2.1), the rotor back side (2.2), rotor bearing room (2.3), rotor boss (2.4), circular hole inside groove (2.6), blind hole (2.8) and delivery outlet (2.5), its rotor magnetic surface (2.1) is parallel with the rotor back side (2.2), rotor magnetic surface (2.1) centre bit is equipped with blind hole (2.8), blind hole (2.8) is perpendicular to rotor magnetic surface (2.1), blind hole (2.8) there is rotor bearing room (2.3), rotor bearing room (2.3) is built with rotor bearing (8), circular hole inside groove (2.6) is had outside bearing, circular hole inside groove (2.6) above can installing hole back-up ring, there is rotor boss (2.4) in blind hole (2.8) bottom centre, there is delivery outlet (2.5) at rotor boss (2.4) center, delivery outlet has keyway in (2.5), as preferably, end face and the rotor magnetic surface (2.1) of rotor boss (2.4) are same planes, the rotor back side (2.2) Central places is with projection, protruding external diameter is greater than the internal diameter of rotor bearing room (2.3), be used for reinforce rotor boss (2.4) and the rotor back side (2.2) connection.
As Figure 1 and Figure 4, described sleeve pipe (4) comprises bearing end (4.1), installation end (4.2), bearing installation step (4.3), its middle sleeve (4) is tubular, the cylindrical of bearing end (4.1) has bearing installation step (4.3), the hole of installation end (4.2) is concentric with bearing installation step (4.3).
As shown in Fig. 1 to Fig. 4, the utility model is combination assembling like this, stator installed surface (1.2) on described stator seat (1) is equipped with stator (3), boss (1.1) interference fit (tight fit) on the inner circle of the installation end (4.2) of sleeve pipe (4) and stator seat (1), now boss (1.1) is positioned at sleeve pipe (4) inside simultaneously, boss (1.1) is laid thrust bearing (5), thrust bearing (5) support rotor boss (2.4) is to keep the air gap between stator (3) and rotor (2), sleeve pipe (4) is by rotor bearing (8) support rotor (2), rotor pads (6) is also installed between rotor boss (2.4) and thrust bearing (5), the size of gaps between stator (3) and rotor (2) can be regulated by the rotor pads (6) that replacing thickness is different.The utility model also has an electrical appliance kit (10), electrical appliance kit (10) is arranged on the stator seat back side (1.7) of stator seat (1), electrical appliance kit (10) is bowl-type, side is porose, (water joint is market general part hole to be equipped with water joint (11), its planform does not hereby repeat), the utility model also has a casing (16), and casing (16) coordinates with the seam (1.8) on stator seat (1).
As shown in Fig. 5 to Figure 10, of the present utility modelly also comprise motor cover (7), motor cover (7) there are motor cover seam (7.5) and motor cap bore (7.3), motor cover seam (7.5) and motor cap bore (7.3) are all circular and with one heart, motor cap bore (7.3) is built with oil sealing (15), as preferably, motor cover bearing (7.4) is also housed in motor cap bore (7.3), motor cover (7) supports power shaft (13) by motor cover bearing (7.4).
As Fig. 2, shown in Fig. 5, the utility model can be braking motor, when the utility model is braking motor, the rotor back side (2.2) of rotor (2) also has the brake strip (2.7) of annular, rotor bearing (8) is needle bearing, thrust bearing (5) in sleeve pipe (4) is upper also has a tripping spring (21), the internal diameter of tripping spring (21) is greater than rotor boss (2.4) external diameter, height after tripping spring (21) extends is greater than the height of rotor boss (2.4), motor cover (7) there is braking surface (7.1), during motor power-off of the present utility model, rotor (2) acts on by tripping spring (21), brake strip (2.7) is adjacent to braking surface (7.1), motor braking, when energising runs, by magneticaction, rotor (2) compression brake spring (21), rotor (2) moves to stator (3) direction, brake strip (2.7) and braking surface (7.1) depart from, motor runs.
The utility model is widely used, and embodiment has multiple, is limited to length limited, shows and temporarily for three kinds of embodiments, describes its feature by reference to the accompanying drawings with these three kinds of embodiments.
When the utility model is as independently motor, described motor cover (7) can be the ring flange of motor, and this is embodiment 1; When the utility model is applied to reducing motor (gear motor), motor cover (7) is circular and there is the space disc of motor cap bore (7.3) centre, and this is embodiment 2; The utility model is directly installed on corollary equipment body, installed surface above corollary equipment has motor cap bore (7.3) and motor cover seam (7.5) (motor cap bore (7.3) is concentric with motor cover seam (7.5)), this installed surface is connected with casing (16) or stator seat (1), and this is embodiment 3.
As Fig. 1, Fig. 8, embodiment 1 shown in Fig. 9, when the utility model is as independently motor, one end of casing (16) is connected with stator seat (1), the other end is connected with motor cover (7), motor cover (7) is used for being fixedly connected with corollary equipment as the mounting flange of motor, power shaft (13) and the mounting means of the present utility model of corollary equipment mainly contain two kinds, a kind of is that the power shaft (13) of corollary equipment as shown in Figure 9 directly can penetrate the utility model, coordinate with rotor (2) key, compared with common electric machine, it is advantageous that, the motor shaft of common electric machine needs shaft coupling connect power shaft or coordinate with gear key, rotor of the present utility model can directly be connected with the power shaft (13) of corollary equipment or gear shaft, size is short, save cost, the second is that the power shaft (13) of corollary equipment is as shown in Figure 8 arranged in motor cover (7) by motor cover bearing (7.4), with the ratio of common electric machine, it is advantageous that the motor shaft of common electric machine is interference fit or is die cast as one, motor shaft damages not easy-maintaining, power shaft (13) and rotor of the present utility model (2) are matched in clearance, and maintenance easily.
Embodiment 2 as shown in Figure 7, when the utility model is applied to reducing motor (gear motor), casing (16) is built with motor and deceleration part, the inside of casing (16) is provided with a motor cover (7), motor cover (7) cylindrical and casing (16) interference fit, motor cap bore (7.3) is had in the middle of motor cover (7), casing jump-ring slot (19) is had in casing (16), the in-built porose back-up ring of casing jump-ring slot (19), in order to limiting motor lid (7) axial endplay, motor cover (7) is upper also has locked groove (7.2), the external diameter of locked groove (7.2) is slightly less than the internal diameter of the hole back-up ring be assemblied on casing jump-ring slot (19), locked groove (7.2) is buckled on the back-up ring of hole, casing of the present utility model is equipped with deceleration part in (16) simultaneously, good looking appearance, axial dimension is short, the winding of motor is fixed on stator seat (1) side, demounting procedure is few, easy-maintaining.
Embodiment 3 as shown in Fig. 5, Fig. 6, Figure 10, the utility model can be directly installed on corollary equipment body, wherein motor cover (7) is that on corollary equipment one is processed with the region that there are motor cap bore (7.3) centre, casing (16) one end coordinates with the seam (1.8) of stator seat (1), the other end coordinates with the motor cover seam (7.5) in motor cover (7), with existing motor ratio, axial dimension is short, cost is low, the winding of motor is fixed on stator seat (1), demounting procedure is few, easy-maintaining; Casing (16) can also be a part for corollary equipment, stator seat (1) is arranged on corollary equipment, coordinate with the seam (1.8) of corollary equipment, with existing disc type electric machine ratio, stator (3) and rotor (2) load in corollary equipment, not easily collide, the winding of motor is fixed on stator seat (1) side, demounting procedure is few, easy-maintaining, more attractive in appearance.
Corollary equipment mentioned in the present embodiment can be transmission corollary equipment, lifting transport corollary equipment, lathe corollary equipment, automation corollary equipment and other corollary equipment.
Claims (6)
1. a shaftless disc type electric machine, comprises stator (3), thrust bearing (5), rotor bearing (8), it is characterized in that: also comprise stator seat (1), rotor (2), sleeve pipe (4),
Described stator seat (1) comprises stator installed surface (1.2), and stator installed surface (1.2) has boss (1.1), and boss (1.1) is right cylindrical;
Described rotor (2) comprises rotor magnetic surface (2.1), the rotor back side (2.2), rotor bearing room (2.3), rotor boss (2.4), delivery outlet (2.5), blind hole (2.8), rotor magnetic surface (2.1) centre bit is equipped with blind hole (2.8), blind hole (2.8) there is rotor bearing room (2.3), rotor bearing room (2.3) is built with rotor bearing (8), there is rotor boss (2.4) in blind hole (2.8) bottom centre, there is delivery outlet (2.5) at rotor boss (2.4) center, and delivery outlet has keyway in (2.5);
Described sleeve pipe (4) comprises bearing end (4.1), installation end (4.2), bearing installation step (4.3), and the cylindrical of wherein bearing end (4.1) has bearing installation step (4.3);
Stator installed surface (1.2) on described stator seat (1) is equipped with stator (3), the inner circle of the installation end (4.2) of sleeve pipe (4) and boss (1.1) interference fit, boss (1.1) is laid thrust bearing (5), the bearing end (4.1) of sleeve pipe (4) is by rotor bearing (8) support rotor (2).
2. a kind of shaftless disc type electric machine as claimed in claim 1, is characterized in that: there is boss bearing chamber (1.4) at boss (1.1) center of described stator seat (1), is provided with boss bearing (1.5) in boss bearing chamber (1.4).
3. a kind of shaftless disc type electric machine as claimed in claim 2, it is characterized in that: under the boss bearing (1.5) on described stator seat (1), also have screw sheet (12), screw sheet (12) is a disc nut, and the external diameter of screw sheet (12) is greater than the internal diameter of boss bearing (1.5).
4. a kind of shaftless disc type electric machine as claimed in claim 1, it is characterized in that: also comprise motor cover (7), motor cover (7) there are motor cover seam (7.5) and motor cap bore (7.3), motor cover seam (7.5) and motor cap bore (7.3) are concentric, and motor cap bore (7.3) is built with oil sealing (15).
5. a kind of shaftless disc type electric machine as claimed in claim 1, it is characterized in that: also comprise casing (16), a motor cover (7) is provided with in the cavity of described casing (16), the cavity interference fit of motor cover (7) cylindrical and device body, casing jump-ring slot (19) is had in casing (16), the in-built porose back-up ring of casing jump-ring slot (19), motor cover (7) also have locked groove (7.2) in the side of casing jump-ring slot (19), the external diameter of locked groove (7.2) is slightly less than the internal diameter of the hole back-up ring on casing jump-ring slot (19), locked groove (7.2) is buckled on the back-up ring of hole.
6. a kind of shaftless disc type electric machine as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described rotor bearing (8) is needle bearing, the rotor back side (2.2) of rotor (2) is connected with the brake strip (2.7) of annular, thrust bearing (5) in sleeve pipe (4) is upper also has a tripping spring (21), and the internal diameter of tripping spring (21) is greater than rotor boss (2.4) external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520497067.0U CN204928412U (en) | 2015-07-11 | 2015-07-11 | Shaftless disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520497067.0U CN204928412U (en) | 2015-07-11 | 2015-07-11 | Shaftless disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928412U true CN204928412U (en) | 2015-12-30 |
Family
ID=54977510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520497067.0U Expired - Fee Related CN204928412U (en) | 2015-07-11 | 2015-07-11 | Shaftless disc type electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667210A (en) * | 2018-06-29 | 2018-10-16 | 无锡新宏泰电器科技股份有限公司 | A kind of brake type motor |
-
2015
- 2015-07-11 CN CN201520497067.0U patent/CN204928412U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667210A (en) * | 2018-06-29 | 2018-10-16 | 无锡新宏泰电器科技股份有限公司 | A kind of brake type motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |