CN205160274U - Motor shaft's anti -disengaging structure - Google Patents
Motor shaft's anti -disengaging structure Download PDFInfo
- Publication number
- CN205160274U CN205160274U CN201520843343.4U CN201520843343U CN205160274U CN 205160274 U CN205160274 U CN 205160274U CN 201520843343 U CN201520843343 U CN 201520843343U CN 205160274 U CN205160274 U CN 205160274U
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- Prior art keywords
- stator
- bearing
- rotating shaft
- pivot
- prevention structure
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Abstract
The utility model provides a motor shaft's anti -disengaging structure, include with the casing fixed connection's of motor stator and cross -under in the stator and with stator complex rotor, this rotor includes the pivot and is used for the bearing of pivot pin joint in the stator, the surface of pivot is provided with the external screw thread and is used for preventing that pivot and stator break away from only takes off the piece, terminal surface under the inner circle of bearing is replaced to an up end that should only take off, only takes off to be provided with the internal thread that matees with the external screw thread in the piece. The utility model discloses a motor shaft's anti -disengaging structure, it is provided with only take off with pivot screw -thread fit for it can effectively get rid of the friction of only taking off between piece and the bearing along with pivot and bearing run -in synchronism only to take off the piece, and be more durable, difficult emergence deformation, and it can to improve the stable of motor, simultaneously, the dismouting process is simpler, damage problem that reducible dismouting in -process appears.
Description
Technical field
The utility model relates to technical field of motors, is specifically related to a kind of disconnecting prevention structure of machine shaft.
Background technology
Motor refers to a kind of calutron realizing electric energy conversion according to the law of electromagnetic induction or transmit, motor generally comprises electric machine casing 10 ＇ and rotor 30 ＇ installed within it and stator 20 ＇, and part fixing in motor is called stator, install the static main pole of paired DC excitation in the above; And rotating part is rotor (armature core), to armature winding be installed above, can induced electromotive force be produced after energising, serve as rotating magnetic field.
And normally snap ring or hasp ring 40 ＇ are installed with anticreep at the spindle nose of rotating shaft for the disconnecting prevention structure of rotating shaft 31 ＇ in existing motor (see Fig. 1), said structure is adopted to there is following shortcoming: 1, can not be fixedly connected with between its with rotating shaft, namely during axis of rotation, anti-avulsion part and rotating shaft and bearing can not synchronous axial system, anti-avulsion part is caused not stop production raw sliding friction with bearing, make anti-avulsion part easily produce metal fatigue, distortion, rupture or come off, running noise is larger, and use dangerous, decrease the useful life of motor.2, when assembling, because its volume is little, causing installation and removal difficulty, often needing by special instrument or tool, and easily causing its distortion cannot be multiplexing during dismounting.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is the disconnecting prevention structure providing a kind of machine shaft, the anti-avulsion part that it is provided with can with rotating shaft run-in synchronism, durability is comparatively strong, and easy accessibility.
For achieving the above object, the utility model adopts following technical scheme:
A kind of disconnecting prevention structure of machine shaft, comprise the stator that is fixedly connected with the housing of motor and be connected to the rotor coordinated in stator and with stator, this rotor comprises rotating shaft and for rotating shaft being articulated in the bearing in stator, the outer surface of rotating shaft is provided with external screw thread and the anti-avulsion part for preventing rotating shaft and stator from departing from, the upper surface of this anti-avulsion part is resisted against the inner ring lower surface of bearing, is provided with the internal thread mated with external screw thread in anti-avulsion part.
Preferably, the direction of rotation of externally threaded rotation direction and rotating shaft.
Preferably, the disconnecting prevention structure of this machine shaft also comprises an elastomeric element, and one end of this elastomeric element is resisted against rotor, and the other end of this elastomeric element is resisted against the inner ring upper end of bearing.
Preferably, elastomeric element is tower spring.
Preferably, anti-avulsion part is nut.
The beneficial effects of the utility model are:
Compared to prior art, the disconnecting prevention structure of machine shaft of the present utility model, the anti-avulsion part that it is provided with coordinates with shaft thread, make anti-avulsion part can along with rotating shaft and bearing run-in synchronism, effectively can remove the friction between anti-avulsion part and bearing, more durable, not easily deform, improve the stability of motor; Meanwhile, disassembly process is more simple, can reduce the damage problem occurred in disassembly process.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art;
Fig. 2 is structural representation of the present utility model.
Wherein, 10, the housing of motor; 20, stator; 30, rotor; 31, rotating shaft; 311, external screw thread; 32, bearing; 40, anti-avulsion part; 50, elastomeric element; The housing of 10 ＇, motor; 20 ＇, stator; 30 ＇, rotor; 31 ＇, rotating shaft; 40 ＇, hasp ring.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
The disconnecting prevention structure of a kind of machine shaft as shown in Figure 2, comprises stator 20 and rotor 30, and said stator 20 is fixedly connected with the housing 10 of motor, rotor 30 cross-under in stator 20, for cooperatively interacting to enable motor run well with stator 20.This rotor 30 comprises rotating shaft 31 and bearing 32, this bearing 32 for rotating shaft 31 is articulated in stator 20, to make rotating shaft 31 can steady running.Specifically the outer surface of rotating shaft 31 is provided with external screw thread 311 and anti-avulsion part 40, and the upper surface of this anti-avulsion part 40 being resisted against the inner ring lower surface of bearing 32, upwards departing from stator 20 in rotation process for preventing rotating shaft 31.And in anti-avulsion part 40, be provided with the internal thread mated with external screw thread 311, make anti-avulsion part 40 can be screwed onto in rotating shaft 31, so in rotating shaft 31 rotation process, anti-avulsion part 40 just can rotate along with rotating shaft 31 and bearing 32 together, the wearing and tearing of effective reduction anti-avulsion part 40, and adopt the mode that is spirally connected that anti-avulsion part 40 is installed effectively can to improve installation effectiveness, dismounting is quick.Concrete in the present embodiment, being fixedly connected with, for driving the rotation of flabellum to reach the effect of heat radiation of the housing of above-mentioned rotating shaft 31 and flabellum.
Preferably, in the present embodiment, the rotation direction of above-mentioned external screw thread 311 specifically can with the direction of rotation of rotating shaft 31, so effectively can avoid the phenomenon that gets loose that in rotating shaft 31 rotation process, anti-avulsion part 40 may occur, run more stable.
Preferably, the disconnecting prevention structure of this machine shaft also can comprise an elastomeric element 50, one end of this elastomeric element 50 is made to support on rotor 30, the other end of this elastomeric element 50 is then resisted against the inner ring upper end of bearing 32, effectively can slow down rotating shaft 31 in the collision of rotation process rotor 30 with electric machine casing, avoid damaging, improve the useful life of motor; Certainly, this elastomeric element 50 can preferably adopt tower spring, and one end that tower spring end face is less can be connected on bearing 32 inner ring upper surface, and one end that tower spring end face is larger can be connected on rotor 30, so can make elastomeric element 50 better and electric machine casing and bearing 32 action of inner, effect is better.Certainly, above-mentioned elastomeric element 50 also can be replaced from the parts of master reset to reach above-mentioned effect with elasticity blob of viscose or common spring etc.
Preferably, in the present embodiment, above-mentioned anti-avulsion part 40 can adopt nut.
The disconnecting prevention structure of machine shaft of the present utility model, anti-avulsion part 40 and rotating shaft 31 threaded engagement that it is provided with, make anti-avulsion part 40 can along with rotating shaft 31 and bearing 32 run-in synchronism, effectively can remove the friction between anti-avulsion part 40 and bearing 32, more durable, not easily deform, improve the stability of motor; Meanwhile, disassembly process is more simple, can reduce the damage problem occurred in disassembly process.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection range of the utility model claim.
Claims (5)
1. the disconnecting prevention structure of a machine shaft, comprise the stator that is fixedly connected with the housing of motor and be connected to the rotor coordinated in stator and with stator, it is characterized in that, this rotor comprises rotating shaft and for rotating shaft being articulated in the bearing in stator, the outer surface of rotating shaft is provided with external screw thread and the anti-avulsion part for preventing rotating shaft and stator from departing from, the upper surface of this anti-avulsion part is resisted against the inner ring lower surface of bearing, is provided with the internal thread mated with external screw thread in anti-avulsion part.
2. the disconnecting prevention structure of machine shaft as claimed in claim 1, is characterized in that, the direction of rotation of externally threaded rotation direction and rotating shaft.
3. the disconnecting prevention structure of machine shaft as claimed in claim 1, it is characterized in that, the disconnecting prevention structure of this machine shaft also comprises an elastomeric element, and one end of this elastomeric element is resisted against rotor, and the other end of this elastomeric element is resisted against the inner ring upper end of bearing.
4. the disconnecting prevention structure of machine shaft as claimed in claim 3, it is characterized in that, elastomeric element is tower spring.
5. the disconnecting prevention structure of machine shaft as claimed in claim 1, it is characterized in that, anti-avulsion part is nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843343.4U CN205160274U (en) | 2015-10-27 | 2015-10-27 | Motor shaft's anti -disengaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843343.4U CN205160274U (en) | 2015-10-27 | 2015-10-27 | Motor shaft's anti -disengaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205160274U true CN205160274U (en) | 2016-04-13 |
Family
ID=55695918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520843343.4U Active CN205160274U (en) | 2015-10-27 | 2015-10-27 | Motor shaft's anti -disengaging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205160274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914945A (en) * | 2016-06-23 | 2016-08-31 | 曾子斌 | Device for preventing axial endplay of motor |
| CN110313116A (en) * | 2018-08-20 | 2019-10-08 | 深圳市大疆创新科技有限公司 | Rotary components and its installation method, motor, holder and unmanned vehicle |
-
2015
- 2015-10-27 CN CN201520843343.4U patent/CN205160274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914945A (en) * | 2016-06-23 | 2016-08-31 | 曾子斌 | Device for preventing axial endplay of motor |
| CN110313116A (en) * | 2018-08-20 | 2019-10-08 | 深圳市大疆创新科技有限公司 | Rotary components and its installation method, motor, holder and unmanned vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Dongguan City Hengli Town, Guangdong province 523000 Ge Keng Cun Ge Keng Industrial Zone, wisdom Valley Science and Technology Park A5 Building 2 floor Patentee after: DONGGUAN YINHAI PLASTIC ELECTRONICS Co.,Ltd. Address before: 523000 District, Guangdong, Dongguan, stone town, Chikan Industrial Zone, South Road, the first floor of the workshop on the two workshop B Patentee before: DONGGUAN YINHAI PLASTIC ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221128 Address after: 523000 Room 601, Building 3, No. 3, Hongchang Road, Nankeng, Qishi Town, Dongguan, Guangdong Patentee after: Dongguan leiteng Electric Co.,Ltd. Address before: 523000 2nd floor, building A5, Zhigu Science Park, Gekeng Industrial Zone, Gekeng village, Hengli Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN YINHAI PLASTIC ELECTRONICS Co.,Ltd. |