CN205304495U - Reducer with motor - Google Patents
Reducer with motor Download PDFInfo
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- CN205304495U CN205304495U CN201521140624.XU CN201521140624U CN205304495U CN 205304495 U CN205304495 U CN 205304495U CN 201521140624 U CN201521140624 U CN 201521140624U CN 205304495 U CN205304495 U CN 205304495U
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- motor
- reductor
- oil sealing
- flange
- output shaft
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Abstract
The utility model provides a reducer with motor. Its problem that will solve does, provides one kind and makes the miniaturized and good reducer with motor of sealing performance of speed reducer - motor mechanism. This reducer with motor includes motor, flange and speed reducer, the flange between the motor with between the speed reducer, utilize the flange will the motor with the speed reducer couples together, the motor the output shaft runs through the flange with the one -level speed reduction gear meshing of speed reducer the motor be equipped with first oil blanket and second oil blanket on the output shaft. Adopt the technical scheme of the utility model, can make speed reducer - motor mechanism miniaturization and sealing performance good.
Description
Technical field
This utility model relates to a kind of reductor with motor.
Background technology
It is known to the reductor of a kind of effect playing coupling rotating speed and transmission torque between prime mover and working machine or actuator, specifically, it utilizes the gear ratio of gear that speed is changed, by motor, internal combustion engine or other dynamic retarding run up to required rotating speed, and obtain bigger torque. As an example, existed in the past and utilize shaft coupling to be connected with the input gear of reductor by the output shaft of motor, thus the mode that the power of motor is transmitted to reductor.
Along with the application of reductor is more and more extensive, occurs in and the situation that the space of reductor-motor mechanism is restricted is installed in some cases, then expect that the requirement of reductor-motor mechanism miniaturization is also more and more urgent.
Additionally, due to reductor generally utilizes the transmission of gear to realize slowing down, therefore in reductor, lubricating oil is essential. Thus, when reductor and motor being matched use, it is necessary to avoid the lubricating oil in reductor, along the output shaft entrance motor inside of motor, motor is caused damage.
Utility model content
The problem that utility model to solve
This utility model is based on above-mentioned background and puts forward, and its object is to provide a kind of reductor with motor making reductor-motor mechanism miniaturization and favorable sealing property.
For solving the scheme of problem
First technical scheme of the present utility model is for providing the reductor with motor as described below, it is characterized in that, it includes motor, flange and reductor, described flange is between described motor and described reductor, described flange is utilized described motor and described reductor to be coupled together, the output shaft of described motor runs through described flange and engages with the primary speed-down gear of described reductor, is provided with the first oil sealing and the second oil sealing on the described output shaft of described motor.
Adopt technique scheme, it is possible to utilize dual-seal reliably to avoid entering in motor from the lubricating oil within reductor along output shaft.
Second technical scheme of the present utility model is, the reductor with motor according to the first technical scheme, it is characterized in that, described first oil sealing is positioned at the described motor-side of described output shaft, described second oil sealing is positioned at the described deceleration pusher side of described output shaft, the internal diameter of described second oil sealing is less than the internal diameter of described first oil sealing, or the external diameter of described second oil sealing is less than the external diameter of described first oil sealing, or the internal diameter of described second oil sealing is less than the internal diameter of described first oil sealing, and the external diameter of described second oil sealing is less than the external diameter of described first oil sealing.
Adopt technique scheme, it is possible to make the further small compact of structure and the frictional force that when output shaft that can reduce motor rotates, oil sealing brings.
3rd technical scheme of the present utility model is, the reductor with motor according to the second technical scheme, it is characterized in that, described first oil sealing and described second oil sealing are positioned at the both sides of the end face of the described motor-side of described flange with clipping the end face of the described motor-side of described flange.
Adopt technique scheme, it is possible to make structure small-sized and densification.
4th technical scheme of the present utility model is, according to any one reductor with motor in the first��the 3rd technical scheme, it is characterized in that, large-diameter portion that described output shaft includes being positioned at described motor-side and be positioned at described deceleration pusher side and the external diameter minor diameter part less than described large-diameter portion with this large-diameter portion continuous print, described minor diameter part has the input gear portion for being meshed with described primary speed-down gear.
Adopt technique scheme, it is possible to the significantly overall length diametrically of the reductor of shortened belt motor, it is achieved miniaturization, to cope with the operating mode of limited working space.
5th technical scheme of the present utility model is, according to appointing reductor with motor in the 4th technical scheme, it is characterised in that described first oil sealing and described second oil sealing are positioned at described large-diameter portion.
Adopt technique scheme, it is possible to oil sealing is easily installed and makes structure small-sized and densification.
6th technical scheme of the present utility model is, according to any one reductor with motor in the first��the 3rd technical scheme, it is characterized in that, from the described motor-side end face of described flange distance to the described reductor side end face of described output shaft and the described motor-side end face from described flange, the ratio of distances constant to the described reductor side end face of the described primary speed-down gear of described reductor is less than 1.2.
Adopt technique scheme, it can be ensured that the input gear portion of minor diameter part is short as far as possible and is relatively large in diameter, and then the intensity of minor diameter part can be guaranteed while realizing the miniaturization that output shaft is overall.
The effect of utility model
Adopt the technical solution of the utility model, using the teaching of the invention it is possible to provide a kind of reductor with motor making reductor-motor mechanism miniaturization and favorable sealing property.
Accompanying drawing explanation
Fig. 1 represents the axonometric chart of the reductor with motor of the present utility model.
Fig. 2 represents the sectional view of the major part of the reductor with motor of the present utility model.
Description of reference numerals
1, the reductor with motor; 2, motor; 3, flange; 4, reductor; 21, shell; 22, output shaft; 23, large-diameter portion; 24, minor diameter part; 25, the 1st oil sealing; 26, the 2nd oil sealing; 41, primary speed-down gear.
Detailed description of the invention
Hereinafter, with reference to accompanying drawing, the reductor with motor of the application is illustrated. Fig. 1 represents the axonometric chart of the reductor with motor of the present utility model. Fig. 2 represents the sectional view of the major part of the reductor with motor of the present utility model.
As it is shown in figure 1, the reductor 1 with motor mainly includes motor 2, flange 3 and reductor 3.
Motor 1 can adopt normally used motor, as long as the mechanical energy of output shaft can be converted electrical energy into, then its kind, structure is not limited in any way. In this application, illustrate for servo motor, but those skilled in the art will be understood that it is only illustration, be not intended to limit. Additionally, the example that motor is the application prime mover, as long as the power of high speed rotating can be provided to reductor, then its concrete structure and kind are not also limited in any way.
As typical structure, motor 2 includes shell 21, stator, rotor, front shroud and back cover.Wherein, the structure of stator, rotor, front shroud and back cover is the structure that those skilled in the art are generally known, omits diagram at this. Stator is made up of stator core and winding, is used for producing cover before and after magnetic flux, magnetic conduction and supporting. Rotor is made up of rotor core, axle, armature winding and diverter, is used for ensureing and produce continuous print electromagnetic torque, by output shaft 22 output mechanical energy shown in Fig. 2. Front shroud and the back cover assembly relation for supporting rotor rotation and fixed stator.
Flange 3 is connected for being mated with reductor 4 by motor 2, as long as being capable of this effect, then the concrete structure of flange 3 is not limited in any way. The concrete structure of the flange 3 in the present embodiment illustrated below, but those skilled in the art will be understood that it is only illustration, is not intended to limit.
Flange 3 in the present embodiment is in substantially discoid, it is separated with compartment of terrain in its periphery and is provided with bolt hole, central part at flange 3 is provided with the boss portion 27 of the prominent front shroud mating shapes with motor 2 to side, is provided with mean for the central through hole portion that the output shaft 22 of motor 2 passes through at the center of boss portion. motor 2 is mated with reductor 4 be connected time, the front shroud of the boss portion 27 of flange 3 with motor 2 is abutted against, through-hole section by the output shaft 22 of motor 2 traverse flange 3, the screw rod of bolt 29 is passed through motor 2 front shroud flange portion 28 on through hole 31 be screwed in the boss portion of flange 3 arrange screw 30 in, and will couple together between motor 2 and flange 3, the flange portion 5 of the side of the side contrary with side, motor 2 place of flange 3 Yu the shell of reductor 4 is abutted against, by bolt 32 screw rod pass through the bolt hole 34 being screwed on the shell being located at reductor 4 of flange 3 and will couple together between flange 3 and reductor 4. thus, by flange 3, motor 2 and reductor 3 are coupled together.
Reductor 4 utilizes the gear ratio of gear that speed is changed, and the high speed rotating of output in motor 2 is decelerated to required rotating speed, and obtains bigger torque. Reductor 4 can adopt normally used reductor, as long as can reducing rotating speed and exporting bigger torque, then its kind, structure is not limited in any way. As typical structure, it is possible to citing planet-gear speed reducer, worm-gear speed reducer, cycloidal planetary gear speed reducer etc., but those skilled in the art will be understood that it is only illustration, is not intended to limit.
In the present embodiment, reductor 4 adopts typical cycloidal planetary gear speed reducer, owing to its structure is well known to those skilled in the art, does not elaborate at this. As in figure 2 it is shown, reductor 4 includes the primary speed-down gear 41 as primary speed-down mechanism. When being connected utilizing flange 3 to be mated with reductor 4 by motor 2, the output shaft 22 of motor 2 is meshed through the through-hole section of flange 3 with the primary speed-down gear 41 of reductor 4, thus inputting the high speed rotating of motor 2 to reductor 4.
Hereinafter, the output shaft 22 of motor 2 is described in detail. Additionally, for the ease of illustrating, side, reductor place when utilizing flange 3 motor 2 and reductor 4 to be assembled into one in Fig. 2 is called front side, side, motor 2 place is called rear side.
As in figure 2 it is shown, the output shaft 22 of motor 2 large-diameter portion 23 that includes being positioned at side, motor 2 place and continuously and be positioned at the minor diameter part 24 of side, reductor 4 place with large-diameter portion 21 phase.
When utilizing flange 3 motor 2 and reductor 4 to be assembled into one, the front side end of large-diameter portion 23 is positioned at the position of side more forward than the rear side end face of flange 3.It is separately installed with the 1st oil sealing the 25 and the 2nd oil sealing 26 in the front and rear part with the equitant position of flange 3 of large-diameter portion 23. Thereby, it is possible to utilize dual-seal reliably to avoid entering in motor 2 from the lubricating oil within reductor 4 along output shaft 22. 1st oil sealing the 25 and the 2nd oil sealing 26 preferably front and back are arranged with clipping the rear side end face of flange 3, so, it is possible to make structure small-sized and densification. In addition, further preferably, the internal diameter of the 1st oil sealing 25 on front side of being positioned at is less than the internal diameter of the 2nd oil sealing 26 being positioned at rear side, or the external diameter of the 1st oil sealing 25 on front side of being positioned at is less than the external diameter of the 2nd oil sealing 26 being positioned at rear side, or be positioned at the internal diameter of the 1st oil sealing 25 of front side less than the internal diameter of the 2nd oil sealing 26 being positioned at rear side, and it is positioned at the external diameter of the 1st oil sealing 25 of front side less than the external diameter of the 2nd oil sealing 26 being positioned at rear side. Thereby, it is possible to make the further small compact of structure, and the frictional force that when output shaft 22 that can reduce motor 2 rotates, oil sealing brings.
It should be noted that oil sealing shown in the present embodiment includes but not limited to outside framework oil seal commonly used in the art, as long as the effect of sealing lubricating oil can be played, then its structure is not limited in any way.
Minor diameter part 24 extends from large-diameter portion 23 forward side and its diameter is less than large-diameter portion 23. Thus, when motor 2 and flange 3 and reductor 4 are assembled, when the central through hole portion by the output shaft 22 traverse flange 3 of motor 2, the 2nd oil sealing 26 that can avoid the minor diameter part 24 of output shaft 22 of the motor 2 central through hole portion to being arranged on flange 3 causes interference, and can install dual oil sealing on large-diameter portion 23. The leading section of minor diameter part 24 is provided with input gear portion, thus utilizing input gear portion to be meshed with the primary speed-down gear 41 in reductor 4. This input gear portion can be independently arranged with the axle portion of minor diameter part 24, namely input gear portion is formed at minor diameter part 24 by the input gear individually processed part being installed on the axle portion of minor diameter part 24, it is also possible to directly in the axle portion of minor diameter part 24, process input gear portion. Thereby, it is possible to the significantly overall length diametrically of the reductor of shortened belt motor, it is achieved miniaturization, to cope with the operating mode of limited working space. Additionally, when directly processing input gear in the axle portion of minor diameter part 24, additionally it is possible to reduce parts and manufacturing procedure and save cost.
In addition, when utilizing flange 3 motor 2 and reductor 4 to be assembled into one, it is preferable that be less than 1.2 by the ratio B/A of the distance B from the rear side end face of flange 3 distance B to the anterior end surface of output shaft 22 with the anterior end surface of the primary speed-down gear 4 of the rear side end face from flange 3 to reductor 4. Thereby, it is possible to guarantee that the input gear portion of minor diameter part 24 is short as far as possible and is relatively large in diameter, and then the intensity of minor diameter part 24 can be guaranteed while realizing the miniaturization of output shaft 22 entirety.
Additionally, when directly processing input gear in the axle portion of minor diameter part 24, the axle portion of minor diameter part 24 is carried out Gear Processing by available usual adopted hobboing cutter. Now, the external diameter in input gear portion is less than the diameter of large-diameter portion 23. In such a situation it is preferred that the radius of addendum R of hobboing cutter is below 42mm. Thereby, it is possible to guarantee output shaft 22 integral miniaturization while the transition portion of large-diameter portion 23 with minor diameter part 24 guarantees the withdrawing space of hobboing cutter.
Of the present utility model concrete example is had been described in detail above, but these only illustrate, be not that claims are defined. In the technology described in claims, comprise the technical scheme after concrete example illustrated above is carried out various deformation, change. Technical characteristic illustrated by this specification or accompanying drawing individually or plays technological applicability by various combinations, is not limited to the combination described in claim when applying for. It addition, the technology illustrated in this specification or accompanying drawing realizes multiple technical purpose simultaneously, and realize one of them technical purpose and inherently there is technological applicability.
Claims (6)
1. the reductor with motor, it is characterised in that
It includes motor, flange and reductor, described flange is between described motor and described reductor, utilizing described flange described motor and described reductor to be coupled together, the output shaft of described motor runs through described flange and engages with the primary speed-down gear of described reductor
The described output shaft of described motor is provided with the first oil sealing and the second oil sealing.
2. the reductor with motor according to claim 1, it is characterised in that
Described first oil sealing is positioned at the described motor-side of described output shaft, and described second oil sealing is positioned at the described deceleration pusher side of described output shaft,
The internal diameter of described second oil sealing less than the internal diameter of described first oil sealing,
Or the external diameter of described second oil sealing is less than the external diameter of described first oil sealing,
Or the internal diameter of described second oil sealing is less than the internal diameter of described first oil sealing, and the external diameter of described second oil sealing is less than the external diameter of described first oil sealing.
3. the reductor with motor according to claim 2, it is characterised in that
Described first oil sealing and described second oil sealing are positioned at the both sides of the end face of the described motor-side of described flange with clipping the end face of the described motor-side of described flange.
4. the reductor with motor according to any one of claim 1 to 3, it is characterised in that
Large-diameter portion that described output shaft includes being positioned at described motor-side and be positioned at described deceleration pusher side and the external diameter minor diameter part less than described large-diameter portion with this large-diameter portion continuous print, described minor diameter part has the input gear portion for being meshed with described primary speed-down gear.
5. the reductor with motor according to claim 4, it is characterised in that
Described first oil sealing and described second oil sealing are positioned at described large-diameter portion.
6. the reductor with motor according to any one of claim 1 to 3, it is characterised in that
From the described motor-side end face of described flange distance to the described reductor side end face of described output shaft and the described motor-side end face from described flange, the ratio of distances constant to the described reductor side end face of the described primary speed-down gear of described reductor is less than 1.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140624.XU CN205304495U (en) | 2015-12-31 | 2015-12-31 | Reducer with motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521140624.XU CN205304495U (en) | 2015-12-31 | 2015-12-31 | Reducer with motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304495U true CN205304495U (en) | 2016-06-08 |
Family
ID=56469488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521140624.XU Active CN205304495U (en) | 2015-12-31 | 2015-12-31 | Reducer with motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205304495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936263A (en) * | 2015-12-31 | 2017-07-07 | 纳博特斯克有限公司 | Reductor with motor |
-
2015
- 2015-12-31 CN CN201521140624.XU patent/CN205304495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936263A (en) * | 2015-12-31 | 2017-07-07 | 纳博特斯克有限公司 | Reductor with motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |