CN216774471U - Electric machine - Google Patents
Electric machine Download PDFInfo
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- CN216774471U CN216774471U CN202220097533.6U CN202220097533U CN216774471U CN 216774471 U CN216774471 U CN 216774471U CN 202220097533 U CN202220097533 U CN 202220097533U CN 216774471 U CN216774471 U CN 216774471U
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- bearing
- sleeve
- pin shaft
- shaft
- end cover
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Abstract
The utility model discloses a motor, which comprises a rotating shaft, a stator assembly, a rotor assembly, a front end cover and a rear end cover, wherein a pin shaft is arranged on the front end cover, a belt pulley is arranged on the pin shaft, the belt pulley comprises a hub and a third bearing, the third bearing is arranged in a through hole in the middle of the hub, and the third bearing is sleeved on the outer surface of the pin shaft, and the motor is characterized in that: still include the adapter sleeve, the adapter sleeve suit is on the surface of round pin axle and to the third bearing location install on round pin axle, adopts an integration adapter sleeve to replace axle sleeve and jump ring, reduces the equipment part number, and the installation procedure is simple, can effectively shorten installation time, improves the packaging efficiency.
Description
The technical field is as follows:
the present invention relates to an electric machine.
Background art:
the existing washing machine motor with the belt pulley structurally comprises a rotating shaft, a stator assembly, a rotor assembly, a front end cover and a rear end cover, wherein a pin shaft is installed on the front end cover, the belt pulley is installed on the pin shaft and comprises a hub and a bearing, the bearing is installed in a through hole in the middle of the hub, the bearing is sleeved on the outer surface of the pin shaft, a shaft sleeve and a snap spring are further installed on the pin shaft, the shaft sleeve and the snap spring are structurally used for fixing the bearing on the pin shaft, the fastening installation structure is complex, structural parts are multiple, installation steps are complex, and installation efficiency is low.
The utility model content is as follows:
the utility model aims to provide a motor, which can solve the technical problems of complex fastening and mounting structure of a belt pulley, more structural parts, complex mounting steps and low mounting efficiency in the prior art.
The purpose of the utility model is realized by the following technical scheme.
The utility model aims to provide a motor, which comprises a rotating shaft, a stator assembly, a rotor assembly, a front end cover and a rear end cover, wherein the front end cover is provided with a pin shaft, the pin shaft is provided with a belt pulley, the belt pulley comprises a hub and a third bearing, the third bearing is arranged in a through hole in the middle of the hub, and the third bearing is sleeved on the outer surface of the pin shaft, and the motor is characterized in that: the fastening sleeve is sleeved on the outer surface of the pin shaft and is used for positioning and installing the third bearing on the pin shaft.
The fastening sleeve comprises a sleeve part, a plurality of inner buckles which are circumferentially distributed at intervals are arranged on the top of the sleeve part, and annular clamping grooves are formed in the outer surface of the top of the pin shaft;
when the fastening sleeve is sleeved on the pin shaft, the inner buckle of the fastening sleeve is buckled in the annular clamping groove of the pin shaft, so that the fastening sleeve is fixed on the pin shaft, and the bottom of the sleeve part abuts against the third bearing.
The third bearing is a ball bearing, the third bearing comprises a bearing inner ring, a bearing outer ring and a plurality of balls, the balls are arranged between the bearing inner ring and the bearing outer ring, and the bottom of the sleeve part is abutted against the bearing inner ring.
The front end cover is provided with a shaft sleeve, the outer surface of the pin shaft is provided with an annular boss, the bottom of the pin shaft is embedded into the shaft sleeve, the bottom surface of the annular boss abuts against the top of the shaft sleeve, and the bearing inner ring of the third bearing is supported on the top surface of the annular boss.
The fan assembly further comprises a front fan and a rear fan, wherein the front fan and the rear fan are arranged on the rotating shaft and are positioned at two ends of the rotor assembly.
The front end cover is provided with a front mounting boss, and a front damping ring is sleeved on the front mounting boss; the rear end cover is provided with a rear mounting boss, and a rear damping ring is sleeved on the rear mounting boss.
The rotating shaft is provided with a belt groove.
Compared with the prior art, the utility model has the following effects:
1) the utility model provides a motor, includes pivot, stator module, rotor subassembly, front end housing and rear end cap, installs the round pin axle on the front end housing, sells epaxial belt pulley of installing, and the belt pulley includes wheel hub and third bearing, and the through-hole the inside in the middle of wheel hub is installed to the third bearing, and the third bearing suit is on the surface of round pin axle, its characterized in that: still include the adapter sleeve, the adapter sleeve suit is on the surface of round pin axle and to the installation of third bearing location on round pin axle, adopts an integration adapter sleeve to replace axle sleeve and jump ring, reduces the equipment part number, and the installation procedure is simple, can effectively shorten installation time, improves the packaging efficiency, and the structure is simpler.
2) Other advantages of the present invention are described in detail in the examples section.
Description of the drawings:
FIG. 1 is a perspective view provided by the present invention;
FIG. 2 is a partial exploded view provided by the present invention;
FIG. 3 is another partially exploded view provided by the present invention;
FIG. 4 is a front view provided by the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
fig. 6 is a partially enlarged view of a portion B in fig. 5.
The specific implementation mode is as follows:
the present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 6, the embodiment provides a motor, including pivot 1, stator assembly 2, rotor assembly 3, front end housing 4 and rear end housing 5, rotor assembly 3, stator assembly 2 suit is outside rotor assembly 3, be equipped with first bearing chamber 41 and second bearing chamber 51 on front end housing 4 and the rear end housing 5 respectively, install first bearing 42 and second bearing 52 in first bearing chamber 41 and the second bearing chamber 51 respectively, the pivot supports on first bearing 42 and second bearing 52, install round pin axle 43 on the front end housing 4, install belt pulley 6 on the round pin axle 43, belt pulley 6 includes wheel hub 61 and third bearing 62, third bearing 62 is installed in the through-hole 611 in the middle of wheel hub 61, third bearing 62 suit is on the outer surface of round pin axle 43, its characterized in that: still include adapter sleeve 7, adapter sleeve 7 suit is on the surface of round pin axle 43 and to third bearing 62 location installation on round pin axle 43, adopts a kind of integration adapter sleeve to replace axle sleeve and jump ring, reduces the equipment part number, and the installation procedure is simple, can effectively shorten installation time, improves the packaging efficiency, and the structure is simpler.
The fastening sleeve 7 comprises a sleeve part 71, a plurality of inner buckles 72 distributed at intervals in the circumferential direction are arranged on the top of the sleeve part 71, and an annular clamping groove 431 is arranged on the outer surface of the top of the pin shaft 43; when the fastening sleeve 7 is sleeved on the pin shaft 43, the inner fastener 72 of the fastening sleeve 7 is fastened in the annular clamping groove 431 of the pin shaft 43, so that the fastening sleeve 7 is fixed on the pin shaft 43, and the bottom of the sleeve part 71 abuts against the third bearing 62.
The third bearing 62 is a ball bearing, the third bearing 62 includes an inner bearing ring 621, an outer bearing ring 622, and a plurality of balls 623, the plurality of balls 623 are installed between the inner bearing ring 621 and the outer bearing ring 622, and the bottom of the sleeve portion 71 abuts against the inner bearing ring 621, so that the structural arrangement is reasonable.
The front end cover 4 is provided with the shaft sleeve 44, the outer surface of the pin shaft 43 is provided with the annular boss 432, the bottom of the pin shaft 43 is embedded into the shaft sleeve 44, the bottom surface of the annular boss 432 abuts against the top of the shaft sleeve 44, and the bearing inner ring 621 of the third bearing 62 is supported on the top surface of the annular boss 432, so that the positioning effect is good, and the installation is convenient.
The motor further comprises a front fan 8 and a rear fan 9, wherein the front fan 8 and the rear fan 9 are installed on the rotating shaft 1 and located at two ends of the rotor assembly 3, and the heat dissipation effect of the motor is improved.
The front end cover 4 is provided with a front mounting boss 45, and a front damping ring 46 is sleeved on the front mounting boss 45; the rear end cover 5 is provided with a rear mounting boss 53, and the rear mounting boss 53 is sleeved with a rear damping ring 56, so that the damping effect is good.
The rotating shaft 1 is provided with a belt groove 11.
The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, simplifications, which are made without departing from the spirit and principle of the present invention, are all equivalent replacements within the protection scope of the present invention.
Claims (7)
1. The utility model provides a motor, including pivot (1), stator module (2), rotor module (3), front end housing (4) and rear end cap (5), install round pin axle (43) on front end housing (4), install belt pulley (6) on round pin axle (43), belt pulley (6) are including wheel hub (61) and third bearing (62), through-hole (611) the inside in the middle of wheel hub (61) is installed in third bearing (62), third bearing (62) suit is on the surface of round pin axle (43), its characterized in that: the fastening sleeve (7) is sleeved on the outer surface of the pin shaft (43) and is used for positioning and installing the third bearing (62) on the pin shaft (43).
2. An electric machine as claimed in claim 1, characterized in that: the fastening sleeve (7) comprises a sleeve part (71), a plurality of inner buckles (72) which are distributed at intervals in the circumferential direction are arranged on the top of the sleeve part (71), and an annular clamping groove (431) is formed in the outer surface of the top of the pin shaft (43);
when the fastening sleeve (7) is sleeved on the pin shaft (43), the inner buckle (72) of the fastening sleeve (7) is buckled in the annular clamping groove (431) of the pin shaft (43), so that the fastening sleeve (7) is fixed on the pin shaft (43), and the bottom of the sleeve part (71) abuts against the third bearing (62).
3. A machine as claimed in claim 1 or 2, characterized in that: the third bearing (62) is a ball bearing, the third bearing (62) comprises a bearing inner ring (621), a bearing outer ring (622) and a plurality of balls (623), the balls (623) are arranged between the bearing inner ring (621) and the bearing outer ring (622), and the bottom of the sleeve part (71) abuts against the bearing inner ring (621).
4. A machine as claimed in claim 3, characterized in that: the front end cover (4) is provided with a shaft sleeve (44), the outer surface of the pin shaft (43) is provided with an annular boss (432), the bottom of the pin shaft (43) is embedded into the shaft sleeve (44), the bottom surface of the annular boss (432) is abutted against the top of the shaft sleeve (44), and a bearing inner ring (621) of the third bearing (62) is supported on the top surface of the annular boss (432).
5. An electrical machine according to claim 4, wherein: the wind power generator further comprises a front fan (8) and a rear fan (9), wherein the front fan (8) and the rear fan (9) are installed on the rotating shaft (1) and are located at two ends of the rotor assembly (3).
6. An electric machine as claimed in claim 5, characterized in that: a front mounting boss (45) is arranged on the front end cover (4), and a front damping ring (46) is sleeved on the front mounting boss (45); the rear end cover (5) is provided with a rear mounting boss (53), and a rear damping ring (56) is sleeved on the rear mounting boss (53).
7. An electrical machine according to claim 6, wherein: a belt groove (11) is arranged on the rotating shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220097533.6U CN216774471U (en) | 2022-01-14 | 2022-01-14 | Electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220097533.6U CN216774471U (en) | 2022-01-14 | 2022-01-14 | Electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774471U true CN216774471U (en) | 2022-06-17 |
Family
ID=81976398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220097533.6U Active CN216774471U (en) | 2022-01-14 | 2022-01-14 | Electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774471U (en) |
-
2022
- 2022-01-14 CN CN202220097533.6U patent/CN216774471U/en active Active
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