CN218449634U - Rotor for DC motor - Google Patents
Rotor for DC motor Download PDFInfo
- Publication number
- CN218449634U CN218449634U CN202222110847.8U CN202222110847U CN218449634U CN 218449634 U CN218449634 U CN 218449634U CN 202222110847 U CN202222110847 U CN 202222110847U CN 218449634 U CN218449634 U CN 218449634U
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- Prior art keywords
- rotor
- external member
- bull stick
- shock attenuation
- air current
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Abstract
The utility model relates to the technical field of mechanical structure, and a rotor for direct current motor is last is disclosed, including rotor, air current shock attenuation external member and bull stick, the air current shock attenuation external member has been cup jointed on the surface of rotor, the one end of rotor is equipped with the rotor core, the one end of rotor core is equipped with the thread groove, the one end of thread groove is equipped with the bull stick, the surface of bull stick has cup jointed and has removed the shake ring, the one end of bull stick has the turn through screw thread connection, the one end of turning round is equipped with the fixture block. This a rotor for direct current motor is last, at first, dilutes through water conservancy diversion hole and guiding gutter through the very big rotatory air current of messenger's rotor that increases air current shock attenuation external member and reaches effectual shock attenuation effect to, can prevent through increasing anti-skidding dull and stereotyped layer that the air current shock attenuation external member from droing, better fixes on the surface of rotor, and secondly, removes to shake the effectual fixing of ring and prevent that the bull stick surface from appearing resonance phenomenon too fast and arouse mechanical damage through the increase.
Description
Technical Field
The utility model relates to a mechanical structure technical field specifically is a rotor for direct current motor is last.
Background
The main rotor rotates at a high speed, the rotating shaft generates deflection deformation when the speed of the main rotor is close to a critical rotating speed, even mechanical damage is caused by resonance, the natural frequency of the transverse vibration of the rotor is multistage, so the corresponding critical rotating speed is also multistage, the working rotating speed of the rotor is lower than the first-order critical rotating speed and is called as a rigid rotor, the working rotating speed of the rotor is higher than the first-order critical rotating speed and is called as a flexible rotor, the working rotating speed of any type of rotor cannot be close to the critical rotating speed, but the protection measures such as damping of the existing rotor are imperfect, so the utility model provides a rotor for a direct current motor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a rotor for direct current motor is last has solved the incomplete problem of protective measures such as current rotor shock attenuation.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a rotor for direct current motor is last, includes rotor, air current shock attenuation external member and bull stick, the surface of rotor has cup jointed the air current shock attenuation external member, the one end of rotor is equipped with the rotor core, the one end of rotor core is equipped with the thread groove, the one end of thread groove is equipped with the bull stick, the surface of bull stick has cup jointed except that shakes the ring, the one end of bull stick has the turn round through screw thread connection, the one end of turning round is equipped with the fixture block.
Optionally, the air current shock attenuation external member includes guiding gutter, water conservancy diversion hole and anti-skidding dull and stereotyped layer, the guiding gutter has been seted up at the both ends of air current shock attenuation external member, the guiding gutter has been seted up to a week of air current shock attenuation external member, the inside wall of air current shock attenuation external member is equipped with anti-skidding dull and stereotyped layer, the rotatory air current of rotor reaches effectual shock attenuation effect through water conservancy diversion hole and guiding gutter dilution.
Optionally, the rotor core is connected with a rotating rod through a thread groove and a thread, the rotating rod is matched with the thread groove, and the rotor core and the rotating rod rotate together.
Optionally, the vibration eliminating ring comprises a vibration eliminating ring, a connecting rod and a rotating wheel, the connecting rod is welded at one end of the vibration eliminating ring, the rotating wheel is welded at one end of the connecting rod, and the vibration eliminating ring can be fixed on the surface of the rotating rod to effectively prevent the rotating rod from generating resonance at an excessively high rotating speed.
Optionally, one end of the rotor core is welded to the rotor, the rotor core and the rotor are adapted, and the rotor core and the rotor rotate together.
Optionally, one end of the fixture block is welded to the swivel, the fixture block is adapted to the swivel, and the swivel can be detached and replaced according to different used objects.
The operation process comprises the following steps:
in the use, the air current shock attenuation external member overlaps on the rotor surface, and bull stick threaded connection is on the rotor core, and the knock ring is cup jointed on the bull stick surface, and the rotor is connected on changeing the machine.
The utility model provides a rotor for direct current motor is last possesses following beneficial effect:
this a rotor for direct current motor is last, at first, dilutes through water conservancy diversion hole and guiding gutter through the very big rotatory air current of messenger's rotor that increases air current shock attenuation external member and reaches effectual shock attenuation effect to, can prevent through increasing anti-skidding dull and stereotyped layer that the air current shock attenuation external member from droing, better fixes on the surface of rotor, and secondly, removes to shake the effectual fixing of ring and prevent that the bull stick surface from appearing resonance phenomenon too fast and arouse mechanical damage through the increase.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is a schematic view of the shock absorbing ring structure of the present invention;
fig. 4 is the schematic structural view of the air flow damping external member of the present invention.
In the figure: 1. a rotor; 2. an airflow damping sleeve; 201. a diversion trench; 202. a flow guide hole; 203. an anti-skid abrasive grain layer; 3. a rotor core; 4. a thread groove; 5. a rotating rod; 6. a vibration eliminating ring; 601. a vibration eliminating ring; 602. a connecting rod; 603. a rotating wheel; 7. a screw; 8. turning the head; 9. and (7) clamping blocks.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a rotor used on a direct current motor comprises a rotor 1, an airflow damping sleeve 2 and a rotating rod 5, wherein the airflow damping sleeve 2 is sleeved on the surface of the rotor 1;
the airflow damping external member 2 comprises a flow guide groove 201, a flow guide hole 202 and an anti-skid abrasive grain layer 203, the flow guide hole 202 is formed in two ends of the airflow damping external member 2, the flow guide groove 201 is formed in one circle of the airflow damping external member 2, the anti-skid abrasive grain layer 203 is arranged on the inner side wall of the airflow damping external member 2, and airflow rotating by the rotor 1 is diluted through the flow guide hole 202 and the flow guide groove 201 to achieve an effective damping effect;
one end of the rotor 1 is provided with a rotor core 3;
the rotor core 3 is in threaded connection with a rotating rod 5 through a thread groove 4, the rotating rod 5 is matched with the thread groove 4, and the rotor core 3 and the rotating rod 5 rotate together;
one end of the rotor core 3 is welded on the rotor 1, the rotor core 3 is matched with the rotor 1, and the rotor core 3 and the rotor 1 rotate together;
one end of the rotor core 3 is provided with a thread groove 4, one end of the thread groove 4 is provided with a rotating rod 5, and the surface of the rotating rod 5 is sleeved with a vibration eliminating ring 6;
the vibration eliminating ring 6 comprises a vibration eliminating ring 601, a connecting rod 602 and a rotating wheel 603, the connecting rod 602 is welded at one end of the vibration eliminating ring 601, the rotating wheel 603 is welded at one end of the connecting rod 602, and the vibration eliminating ring 6 can be fixed on the surface of the rotating rod 5 to effectively prevent the rotating rod 5 from generating resonance when the rotating speed is too high;
one end of the rotating rod 5 is connected with a rotating head 8 through a screw 7 in a threaded manner, and one end of the rotating head 8 is provided with a clamping block 9;
one end of the fixture block 9 is welded on the rotary head 8, the fixture block 9 is matched with the rotary head 8, and the rotary head 8 can be detached and replaced according to different used objects.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description of the present application, the terms "connect", "install", "fix", "set", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.
The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.
Claims (6)
1. A rotor for direct current motor, includes rotor (1), air current shock attenuation external member (2) and bull stick (5), its characterized in that: the surface of rotor (1) has cup jointed air current shock attenuation external member (2), the one end of rotor (1) is equipped with rotor core (3), the one end of rotor core (3) is equipped with thread groove (4), the one end of thread groove (4) is equipped with bull stick (5), the surface of bull stick (5) has cup jointed except that shakes ring (6), there is turn round (8) one end of bull stick (5) through screw (7) threaded connection, the one end of turning round (8) is equipped with fixture block (9).
2. A rotor for use in a dc motor according to claim 1, wherein: airflow damping external member (2) include guiding gutter (201), water conservancy diversion hole (202) and anti-skidding dull and stereotyped layer (203), water conservancy diversion hole (202) have been seted up at the both ends of airflow damping external member (2), guiding gutter (201) have been seted up to a week of airflow damping external member (2), the inside wall of airflow damping external member (2) is equipped with anti-skidding dull and stereotyped layer (203).
3. A rotor for use in a dc motor according to claim 1, wherein: the rotor core (3) is in threaded connection with a rotating rod (5) through a thread groove (4), and the rotating rod (5) is matched with the thread groove (4).
4. A rotor for use in a dc motor according to claim 1, wherein: the shock absorption ring (6) comprises a shock absorption ring (601), a connecting rod (602) and a rotating wheel (603), the connecting rod (602) is welded at one end of the shock absorption ring (601), and the rotating wheel (603) is welded at one end of the connecting rod (602).
5. A rotor for use in a dc motor according to claim 1, wherein: one end of the rotor core (3) is welded on the rotor (1), and the rotor core (3) is matched with the rotor (1).
6. A rotor for use in a dc motor according to claim 1, wherein: one end of the clamping block (9) is welded on the rotary head (8), and the clamping block (9) is matched with the rotary head (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222110847.8U CN218449634U (en) | 2022-08-11 | 2022-08-11 | Rotor for DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222110847.8U CN218449634U (en) | 2022-08-11 | 2022-08-11 | Rotor for DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218449634U true CN218449634U (en) | 2023-02-03 |
Family
ID=85093768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222110847.8U Active CN218449634U (en) | 2022-08-11 | 2022-08-11 | Rotor for DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218449634U (en) |
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2022
- 2022-08-11 CN CN202222110847.8U patent/CN218449634U/en active Active
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