CN2399881Y - Motor driving gear - Google Patents
Motor driving gear Download PDFInfo
- Publication number
- CN2399881Y CN2399881Y CN 99205043 CN99205043U CN2399881Y CN 2399881 Y CN2399881 Y CN 2399881Y CN 99205043 CN99205043 CN 99205043 CN 99205043 U CN99205043 U CN 99205043U CN 2399881 Y CN2399881 Y CN 2399881Y
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- CN
- China
- Prior art keywords
- output shaft
- motor
- shaft
- power transmission
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a transmission device of a motor, which comprises the motor which is provided with an output shaft, a transmission mechanism which is provided with a transmission shaft. The transmission shaft is connected with the output shaft, and is driven by the output shaft to rotate. The utility model is characterized in that a bearing is arranged at the position of the extreme end of one end of the transmission shaft of the transmission mechanism in order to ensure the extreme end of the transmission shaft to be positioned on the central axis; the end is connected with the output shaft of the motor is connected with the transmission shaft. Therefore, the output shaft and the transmission shaft can be directly connected without the need of arranging a shaft coupling. The utility model can reduce the noise and the shock amplitude of transmission.
Description
The utility model relates to a kind of motor actuator, is meant especially a kind ofly can effectively reduce the motor output shaft amplitude of vibration, and the motor reduction box transmission device of simplified construction.
The power that general motor is exported mostly is high rotating speed, low torsion, therefore must be through the conversion of a transmission mechanism, and the rotating speed of motor output shaft is reduced to available degree, and improves its torsion.
As shown in Figure 3, motor 1 and transmission mechanism (or reduction box) the 2nd commonly used are the structure that separates, and motor 1 has an output shaft 3, and transmission mechanism 2 also has a power transmission shaft 4 that can be subjected to these output shaft 3 driven rotary.Because this motor 1 is the causes of separating with transmission mechanism 2, therefore output shaft 3 can't can cause output shaft 3 and power transmission shaft 4 nonconcentric(al) errors very accurately in alignment with on the same central axis with power transmission shaft 4.And because output shaft 3 all has suitable length with power transmission shaft 4, so this output shaft 3 can't keep being parallel to each other with power transmission shaft 4, and its end rocks easily.
Some design is directly loaded onto gear drive power with the output shaft of lengthening motor; This kind situation because its output shaft lengthening, and is rocked its end to increase and is easy to cause the gear injury.
Because more than, if make the output shaft 3 of motor commonly used and the power transmission shaft 4 of transport sector directly link together, will produce great amplitude of vibration and noise, and make motor output shaft, power transmission shaft and bearing suffer fatigue rupture.For eliminating the influence that is caused because of motor output shaft and reduction box power transmission shaft error, must utilize a flexible shaft joint 5 to be connected, to absorb the vibrations that error was caused and the noise of aforementioned output shaft 3 and power transmission shaft 4 the two position.
Though have the flexible shaft joint 5 of many kind structures available on the market, its structure is suitable complexity mostly, precision requirement is high, and costs an arm and a leg, and has therefore caused the rising of cost.And between output shaft 3 and power transmission shaft 4, add shaft joint 5, and can make the motor 1 and the spacing of transmission mechanism 2 strengthen, therefore caused the increase of single unit system volume, and be unfavorable for that small-sized equipment uses.
In view of this this creator is to think hard funiculus, and active research is engaged in the experience that Related product is researched and developed for many years, and the utility model through constantly testing and improve, developing finally.
Main purpose of the present utility model is to be to provide a kind of concentricity and angle equal error that can reduce motor output shaft and transmission mechanism power transmission shaft, and needn't uses the motor actuator of flexible shaft joint.
Another purpose of the present utility model, be to provide a kind of can simplified construction, and the motor actuator that reduces cost.
Another purpose of the present utility model is to be to provide a kind of can reduce motor and transmission mechanism spacing, and the motor actuator of reduced volume.
The purpose of this utility model is achieved in that a kind of motor actuator, comprising:
One motor has an output shaft;
One transmission mechanism has a power transmission shaft, is to be connected with this output shaft and to be subjected to this output shaft to drive rotation; This transmission mechanism has a bearing in addition, and this motor is to be connected with thereon;
It is characterized in that: the power transmission shaft of this transmission mechanism and this output shaft junction are provided with a bearing, and this bearing is to be fixedly arranged on this bearing, are positioned on the same central axis to guarantee this power transmission shaft and this output shaft end.
The utility model can also following proposal further be implemented: this motor has a connecting seat, is to be installed on the bearing of this transmission mechanism; Be provided with an align member that can be connected mutually and an interface components between this Connection Block and this bearing, in order to locate the relative position of this motor and transmission mechanism.
From above technical scheme, can obviously find out, a set bearing of least significant end position of the end that utilization is connected with motor output shaft at the power transmission shaft of transmission mechanism, can guarantee that this power transmission shaft end is positioned on the central axis, therefore this output shaft can directly be connected with power transmission shaft and shaft joint needn't be set, and can reduce transmission noise and amplitude of vibration.
Lifting a preferred embodiment below cooperates relevant drawings to describe technological means of the present utility model and effect thereof in detail.
Description of drawings:
The profile that Fig. 1 separates with transmission mechanism for the utility model motor;
Fig. 2 is the profile of the utility model motor and transmission mechanism combination;
Fig. 2 A is the profile of the utility model output shaft and power transmission shaft joint construction;
Fig. 2 B is the profile of the utility model output shaft and the another kind of joint construction of power transmission shaft;
Fig. 2 C is the profile of the utility model output shaft and another joint construction of power transmission shaft;
Fig. 3 is the organigram of common motor and drive mechanism.
As shown in Figure 1, motor actuator of the present utility model comprises: a motor 10, front end has a connecting seat 11, and an output shaft 12 is set in Connection Block 11 centers, and transmission mechanism 20, it has one can reach the power transmission shaft 22 that can be connected with output shaft 12 for the bearing 21 of these Connection Block 11 linkings.
As shown in Figure 2, these bearing 21 central authorities are provided with an axis hole 211, partly 121 are penetrated by this axis hole 211 for the terminal of the output shaft 12 of this motor 10, and link together with this power transmission shaft 22.The Connection Block 11 of this motor 10 is that relative applying contacts with the bearing 21 of this transmission mechanism 20.As shown in Figures 1 and 2, this Connection Block 11 is provided with the align member 13 of a circular flange-like, and this bearing 21 and these align member 13 opposite positions are provided with the interface components 24 of an annular groove shape that can be connected with this protruding align member 13, can aim at automatically when therefore making this motor 10, and must not proofread and correct in addition with these transmission mechanism 20 combinations.
Shown in Fig. 2 A, the terminal of output shaft 12 partly 121 minimumly is provided with a planar portions 122, and the center of the end that this power transmission shaft 22 is connected with this output shaft 12 also is provided with partly 121 approximate jacks 221 of a cross sectional shape and this end at least, therefore make that this end partly 121 can be inserted among this jack 221, and make this output shaft 12 can interconnect transmission with power transmission shaft 2.
Certainly also can be designed to the alternate design shown in Fig. 2 C, for example on output shaft 12A, establish jack 121A, and on power transmission shaft 22A, establish the terminal partly 221A that can cooperate with this jack 121A.
One of principal character of the present utility model is the contraction in length that is the power transmission shaft 22 of this transmission mechanism 20, and its terminal part is hidden among this bearing 21.This bearing 20 is provided with a bearing pedestal 25 in axis hole 211 simultaneously, uses for a bearing 23 to be installed on wherein.This bearing 23 is the least significant end positions that closely are sleeved on power transmission shaft 22, therefore makes the end of this power transmission shaft 22 can be subjected to firm support, and guarantees that the end that this power transmission shaft 22 is connected with output shaft 12 remains on the same central axis position.
By the support positioning action of this bearing 23, can effectively eliminate the error of the center and the angle position of this power transmission shaft 22, and eliminate the shaking phenomenon in its when running, amplitude of vibration and noise in the time of therefore can lowering running effectively.
Simultaneously, the Connection Block 11 of this motor 10 is that relative applying contacts with the bearing 21 of this transmission mechanism 20, therefore make this motor 10 and the spacing of transmission mechanism 20 be reduced to minimum, and make the contraction in length of this output shaft 12 to having only terminal partly 121 degree that protrude in this Connection Block 11, therefore make the position and the angular error of central axis of this output shaft 12, and the situation of rocking during running also eases down to minimum.
In addition, if will further reduce the noise and the vibrations of this output shaft 12 and power transmission shaft 22 transmissions, can be shown in Fig. 2 B, in jack 221 madial walls of this power transmission shaft 22 and the terminal partly gap between 121 of this output shaft 12 the flexible padded coaming 26 of one deck tool is set, to absorb the vibrations that this output shaft 12 and this power transmission shaft 22 the two material impacts produce.
The utility model is by above-mentioned structure, be to make the two length of output shaft 12 and power transmission shaft 22 narrow down to the minimal path degree effectively, and utilize bearing 23 with the connecting portion strong fix of this output shaft 12 with power transmission shaft 22, and make this output shaft 12 and power transmission shaft 22 be automatically positioned on the same central axis, therefore can effectively eliminate this output shaft 12 and this power transmission shaft 22 between the two the center and the error of angle, vibrations and noise when therefore making the drive mechanism running of motor of the present utility model and transmission mechanism ease down to minimum degree, and lower the chance of the situation generation of fatigue rupture.
Simultaneously, this output shaft 12 needn't be by shaft joint with power transmission shaft 22, and therefore just transmission mutually stably can make the structure of drive mechanism of the present utility model simplify, and reduces cost.And make the motor 10 and the spacing of transmission mechanism 20 be reduced to minimum, thereby make overall volume of the present utility model dwindle, and can save the space.
In sum, motor actuator of the present utility model can solve the variety of problems of common motor transmission device really, and its technology contents can reach the purpose of its creation really, and has and can supply industry applications.Its technology contents never sees in the identical technical field simultaneously, and the fact of promoting effect is arranged.Only above institute gives an actual example only for the utility model preferred embodiment, when not limiting its practical range with this.
Claims (2)
1, a kind of motor actuator, comprising:
One motor has an output shaft;
One transmission mechanism has a power transmission shaft, is to be connected with this output shaft and to be subjected to this output shaft to drive rotation; This transmission mechanism has a bearing in addition, and this motor is to be connected with thereon;
It is characterized in that: the power transmission shaft of this transmission mechanism and this output shaft junction are provided with a bearing, and this bearing is to be fixedly arranged on this bearing.
2, motor actuator as claimed in claim 1 is characterized in that: this motor has a connecting seat, is to be installed on the bearing of this transmission mechanism; Be provided with an align member that can be connected mutually and an interface components between this Connection Block and this bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205043 CN2399881Y (en) | 1999-03-05 | 1999-03-05 | Motor driving gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205043 CN2399881Y (en) | 1999-03-05 | 1999-03-05 | Motor driving gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2399881Y true CN2399881Y (en) | 2000-10-04 |
Family
ID=33999679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99205043 Expired - Fee Related CN2399881Y (en) | 1999-03-05 | 1999-03-05 | Motor driving gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2399881Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823367A (en) * | 2013-02-28 | 2015-08-05 | 日本电产三协株式会社 | Motor device |
-
1999
- 1999-03-05 CN CN 99205043 patent/CN2399881Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823367A (en) * | 2013-02-28 | 2015-08-05 | 日本电产三协株式会社 | Motor device |
| CN104823367B (en) * | 2013-02-28 | 2017-07-04 | 日本电产三协株式会社 | Motor apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |