CN206845855U - It is a kind of to be driven output mechanism and the gear-box with the transmission output mechanism - Google Patents
It is a kind of to be driven output mechanism and the gear-box with the transmission output mechanism Download PDFInfo
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- CN206845855U CN206845855U CN201720579604.5U CN201720579604U CN206845855U CN 206845855 U CN206845855 U CN 206845855U CN 201720579604 U CN201720579604 U CN 201720579604U CN 206845855 U CN206845855 U CN 206845855U
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- axis body
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- output mechanism
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- hole
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Abstract
The utility model provides a kind of transmission output mechanism, including axis body and the output shelf being fixed on the axis body, the axis body includes deferent segment, interlude and input section, and the output shelf is provided with through hole, and the input section of the through hole of the output shelf and the axis body is interference fit.The utility model additionally provides a kind of with transmission output mechanism gear-box.The beneficial effects of the utility model are：Avoid the structure in conventional spline hole, processing technology and precise machining equipment that need not be complicated, the manufacture difficulty of miniature gears case output shaft is significantly reduced, especially suitable for the output of Miniature planetary gear speed reducer, there is the advantages of simple in construction, connection is reliable, easy to process.
Description
Technical field
Machine driving is the utility model is related to, more particularly to one kind is driven output mechanism and has the transmission output mechanism
Gear-box.
Background technology
Planetary reducer has the advantages that speed reducing ratio big, stable drive, noise be small and small volume, in zero, automobile
The fields such as part, smart home, precision instrument have extensive use.
The small torque motion of the high speed of motor is converted into by planetary reducer by one or more levels planetary gears
The rotation of low-speed big.The output end of planetary reducer is connected with load, and driving load transmission, it is born on decelerator
Maximum moment of torsion, it is desirable to which there is higher intensity and rigidity.
The output end of the planetary reducer of prior art is divided into axle output and hole exports two kinds of forms.Hole output adopts
With the mode of splined hole, powered load is inserted in splined hole in the form of splined shaft, and this connected mode has easy for installation
The advantages of, but there is no axial limiting between splined shaft and hole, when axle is by axial force, axle is easily deviate from from hole.The side of axle output
Formula is more using structures such as D-shaped axle, key connections, to prevent axle from using from gear-box abjection axle with output shelf to be integrally formed.Due to axle
The part part windrow being connected with output shelf, the Density inhomogeneity when method of forming is processed, intensity is poor, particularly powder metallurgy forming
During technique, the intensity of output shaft root is to influence the most important factor of intensity.
Chinese patent 201620128426.X《Miniature gears case and its output shaft》A kind of knockdown output shaft has been separated,
But for the following Miniature planetary gear speed reducers of Φ 10mm, due to small volume, thickness of thin and can not be set Step Shaft processing difficulties
Stepped hole.
The content of the invention
In order to solve the problems of the prior art, the utility model provides a kind of transmission output mechanism and has the biography
The gear-box of dynamic output mechanism.
The utility model provides a kind of transmission output mechanism, including axis body and the output shelf that is fixed on the axis body,
The axis body includes deferent segment, interlude and input section, and the output shelf is provided with through hole, the through hole of the output shelf with it is described
The input section of axis body is interference fit.
As further improvement of the utility model, the side of the through hole is provided with the double wedge of circular arc, the double wedge
Path is less than the diameter of the input section.
As further improvement of the utility model, the input section is provided with first close to the side of the deferent segment and is oriented to
Inclined-plane, the second guiding surface being engaged with first guiding surface is provided with the aperture of the through hole of the output shelf.
As further improvement of the utility model, the axis body is in step-like, the deferent segment and the interlude
Diameter is identical, and the diameter of the deferent segment is less than the diameter of the input section, and the deferent segment is D types section, the interlude
Provided with annular groove, the interlude, input section are cylinder.
As further improvement of the utility model, the case hardness of the output shelf is hard more than the surface of the axis body
Degree.
As further improvement of the utility model, the output shelf is disc, the axis of the through hole with it is described defeated
The center of circle for going out frame coincides, and the output shelf is provided with positioning side, and the positioning side is locating notch, and the output shelf is provided with
Planet axis.
The utility model additionally provide it is a kind of have transmission output mechanism gear-box, including as described above any one of
Transmission output mechanism.
As further improvement of the utility model, including inner tooth shell and end cap, the inner tooth shell is provided with bearing, described
Axis body is arranged on the bearing, and the output shelf is arranged in the inner tooth shell, and the end cap is connected with motor, the motor
Motor gear is connected with, the motor gear is connected with planetary gear, and the planetary gear is connected with the output shelf.
The beneficial effects of the utility model are：By such scheme, the structure in conventional spline hole is avoided, it is not necessary to complicated
Processing technology and precise machining equipment, the manufacture difficulty of miniature gears case output shaft is significantly reduced, especially suitable for miniature row
The output of star gear reduction unit, there is the advantages of simple in construction, connection is reliable, easy to process.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram for the axis body for being driven output mechanism of the utility model.
Fig. 2 is a kind of schematic diagram for the output shelf for being driven output mechanism of the utility model.
Fig. 3 is a kind of front view for being driven output mechanism of the utility model.
Fig. 4 is Fig. 3 profile G-G.
Fig. 5 is Fig. 4 partial enlarged drawing A.
Fig. 6 is a kind of schematic diagram for the assemble method for being driven output mechanism of the utility model.
Fig. 7 is that a kind of assemble method for being driven output mechanism of the utility model is completed schematic diagram.
Fig. 8 is a kind of diagrammatic cross-section of gear-box of the utility model.
Embodiment
The utility model is described in further detail for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, a kind of transmission output mechanism, including axis body 9 and the output shelf that is fixed on the axis body 9
10, the axis body 9 includes deferent segment 901, interlude 902 and input section 903, and the output shelf 10 is provided with through hole 5, described defeated
It is interference fit to go out the through hole 5 of frame 10 with the input section 903 of the axis body 9.
As shown in Figures 1 to 5, the entirety of axis body 9 is in Step Shaft, and the side of deferent segment 901 is provided with connection position, section D
Tee section 1, diameter is smaller；Interlude 902 is identical with deferent segment 901 in cylinder, diameter；Input section 903 is in cylinder, diameter
Slightly larger than deferent segment 901.Interlude 902 sets annular groove 2.Input section 903 is provided with the first guiding close to the side of deferent segment 901
Inclined-plane 11.
Output shelf 10 is in disk form, and there is through hole 5 at the middle part of output shelf 10, and through hole 5 has the double wedge 7 of a large amount of circular arcs.Double wedge 7
Path be slightly less than axis body 9 input section 903 diameter, the diameter of the big footpath of double wedge 7 slightly larger than the input section 903 of axis body 9.It is logical
The side of hole 5 is provided with the second guiding surface 12.
The material of axis body 9 and output shelf 10 has different, wherein, the case hardness of the material of axis body 9 is softer, output shelf
The case hardness of 10 materials is harder.
As shown in figure 8, a kind of gear-box, including as described above any one of transmission output mechanism and inner tooth shell 15,
End cap 17, the inner tooth shell 15 are provided with bearing 20, and the axis body 9 is arranged on the bearing 20, and the output shelf 10 is set
In the inner tooth shell 15, the end cap 17 is connected with motor 18, and the motor 18 is connected with motor gear 19, the motor gear
Wheel 19 is connected with planetary gear 16, and the planetary gear 16 is connected with the output shelf 10.
As shown in Figure 6 to 7, a kind of assemble method for being driven output mechanism, during assembling, by the deferent segment 901 of axis body 9 from
Pass in the through hole 5 of output shelf 10, when the first guiding surface 11 of axis body 9 contacts with the second guiding surface 12 of through hole 5, lead to
Cross to axis body 9 and apply axial compressive force, axis body 9 is forced to be pressed into through hole 5.Because the case hardness of through hole 5 is harder, axis body 9 is led to
The double wedge 7 in hole 5 extrudes groove 3, while the material of groove 3 is extruded to axis body 9 close to the side of input section 903, forms projection 4.
As shown in fig. 7, when axis body end face 13 is concordant with output shelf end face 14, press-in is completed.
After axis body 9 and output shelf 10 are by force combination, axis body 9 is passed from the delivery outlet of inner tooth shell 15 of gear-box,
Then, snap ring 21 is installed in the annular groove 2 of axis body 9, the other parts in the inner tooth shell 15 of gear-box are finally installed.
A kind of gear-box for being driven output mechanism and having the transmission output mechanism provided by the utility model, passes through axle
The magnitude of interference of body 9 and through hole 5, the soft or hard cooperation of material, it is integrally formed in axial compressive force effect the following group, part is few, simple in construction；It is logical
Axial compressive force press-in is crossed, compression distance is limited with axis body end face 13, assembling equipment is simple, easy to operate；Axis body 9 and output shelf 10
After combination, connected by a large amount of double wedges 7, groove, can reliably transmit rotation, axially connected by a large amount of projections 4, be provided with simultaneously
Snap ring 21, axis body 9 can be effectively prevented from and sink into gear-box and deviate to outside gear-box.First guiding surface 11, second
The handling ease of guiding surface 12, meanwhile, projection 4 of the axis body 9 after press-in self-assembling formation in process of press in, it is not necessary to complicated
Processing technology and precise machining equipment, significantly reduce the manufacture difficulty of miniature gears case output shaft.
By taking Φ 4mm miniature gears casees as an example, axis body 9 uses 3Cr13 materials, case hardness HRV300, and output shelf 10 uses
NiFeO4 Fe-Ni Alloy Powder injection moldings, the magnitude of interference about 0.04mm of axis body 9 and the double wedge 7 of through hole 5, output shaft can transmit
170gcm rotation torques.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (8)
1. one kind transmission output mechanism, it is characterised in that：Including axis body and the output shelf being fixed on the axis body, the axis body
Including deferent segment, interlude and input section, the output shelf is provided with through hole, and the through hole of the output shelf is defeated with the axis body
Enter section for interference fit.
2. transmission output mechanism according to claim 1, it is characterised in that：The side of the through hole is provided with the convex of circular arc
Tooth, the path of the double wedge are less than the diameter of the input section.
3. transmission output mechanism according to claim 1, it is characterised in that：The input section close to the deferent segment one
Side is provided with the first guiding surface, and second be engaged with first guiding surface is provided with the aperture of the through hole of the output shelf
Guiding surface.
4. transmission output mechanism according to claim 1, it is characterised in that：The axis body is in step-like, the deferent segment
Identical with the diameter of the interlude, the diameter of the deferent segment is less than the diameter of the input section, and the deferent segment is that D types are cut
Face, the interlude are provided with annular groove, and the interlude, input section are cylinder.
5. transmission output mechanism according to claim 1, it is characterised in that：The case hardness of the output shelf is more than described
The case hardness of axis body.
6. according to the transmission output mechanism described in claim 1, it is characterised in that：The output shelf is disc, the through hole
Axis and the center of circle of the output shelf coincide, and the output shelf is provided with positioning side, and the positioning side is locating notch, described
Output shelf is provided with planet axis.
A kind of 7. gear-box with transmission output mechanism, it is characterised in that：Including as any one of claim 1 to 6
Transmission output mechanism.
8. according to the gear-box with transmission output mechanism described in claim 7, it is characterised in that：Including inner tooth shell and end cap,
The inner tooth shell is provided with bearing, and the axis body is arranged on the bearing, and the output shelf is arranged in the inner tooth shell, institute
State end cap and be connected with motor, the motor is connected with motor gear, and the motor gear is connected with planetary gear, the planet tooth
Wheel is connected with the output shelf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720579604.5U CN206845855U (en) | 2017-05-23 | 2017-05-23 | It is a kind of to be driven output mechanism and the gear-box with the transmission output mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720579604.5U CN206845855U (en) | 2017-05-23 | 2017-05-23 | It is a kind of to be driven output mechanism and the gear-box with the transmission output mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845855U true CN206845855U (en) | 2018-01-05 |
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ID=60795471
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720579604.5U Active CN206845855U (en) | 2017-05-23 | 2017-05-23 | It is a kind of to be driven output mechanism and the gear-box with the transmission output mechanism |
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| CN (1) | CN206845855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191578A (en) * | 2017-05-23 | 2017-09-22 | 深圳市兆威机电有限公司 | It is a kind of to be driven output mechanism, gear-box and the assemble method for being driven output mechanism |
-
2017
- 2017-05-23 CN CN201720579604.5U patent/CN206845855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191578A (en) * | 2017-05-23 | 2017-09-22 | 深圳市兆威机电有限公司 | It is a kind of to be driven output mechanism, gear-box and the assemble method for being driven output mechanism |
| WO2018214983A1 (en) * | 2017-05-23 | 2018-11-29 | 深圳市兆威机电股份有限公司 | Transmission output mechanism, gear box and assembly method of transmission output mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong Patentee after: Shenzhen mechatronics, mechatronics and Limited by Share Ltd Address before: 518000 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong Patentee before: Shenzhen Zhaowei Machinery & Electronics Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |