CN208397232U - A kind of planet-gear speed reducer structure that compact-sized torque is big - Google Patents
A kind of planet-gear speed reducer structure that compact-sized torque is big Download PDFInfo
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- CN208397232U CN208397232U CN201821259742.6U CN201821259742U CN208397232U CN 208397232 U CN208397232 U CN 208397232U CN 201821259742 U CN201821259742 U CN 201821259742U CN 208397232 U CN208397232 U CN 208397232U
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- shell
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- speed reducer
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Abstract
The utility model relates to a kind of planet-gear speed reducer structures that compact-sized torque is big, comprising: shell, ring gear, planetary gear；The inside of shell is arranged in the ring gear, and ring gear is connected with shell by embedded mode；The outside of fixing axle is arranged in the planetary gear, and planetary gear is connected with fixing axle by bearing；The inside of fixing sleeve is arranged in the output shaft, and output shaft is connected with fixing sleeve by engagement system；The fixing sleeve is located at the middle position on the right side of planet carrier, and fixing sleeve is an integral structure with planet carrier.By the improvement in structure, have connection structure more compact, improve transmission fastness, and deceleration torque is big and structure is simple, the advantages that convenient for assembling, thus the problem of effective solution the utility model proposes in background technique one and deficiency.
Description
Technical field
The utility model relates to reducer technology fields, more specifically, more particularly to a kind of compact-sized torque it is big
Planet-gear speed reducer structure.
Background technique
Many advantages, such as planet-gear speed reducer is small in size with its, and transmission efficiency is high, and reduction range is wide, and precision is high, and it is wide
General to be applied in the transmission systems such as servo motor, stepper motor, direct current generator, effect is exactly in the premise for guaranteeing precision drive
Under, being mainly used to, which reduces revolving speed, increases torque and reduces load/motor rotary inertia ratio.
But there is also connection structures to design excessively complexity for present planet-gear speed reducer, causes the transmission of junction secured
The poor and torque of property is smaller, and it is relatively complicated etc. to also result in device assembling process.
In view of this, studied improvement for existing problem, a kind of planetary gear that compact-sized torque is big is provided and is subtracted
Fast machine structure, it is intended to by the technology, achieve the purpose that solve the problems, such as and improve practical value.
Utility model content
The purpose of this utility model is to provide a kind of planet-gear speed reducer structures that compact-sized torque is big, on solving
The present planet-gear speed reducer proposed in background technique is stated there is also connection structure design excessively complexity, leads to the biography of junction
Dynamic fastness is poor and torque is smaller, also results in the problems such as device assembling process is relatively complicated and deficiency.
To achieve the above object, the utility model provides a kind of planet-gear speed reducer structure that compact-sized torque is big,
Reached by technological means in detail below:
A kind of planet-gear speed reducer structure that compact-sized torque is big, comprising: shell, input shaft, ring gear, side shell, row
Carrier, fixing axle, planetary gear, output shaft, fixing sleeve；The interior location on the left of shell is arranged in the input shaft, and inputs
Axis is connected with shell by bearing；The inside of shell is arranged in the ring gear, and ring gear and shell pass through embedded mode
It is connected；The right side of shell is arranged in the side shell, and side shell is bolted mode with shell and is connected；The planet carrier
The inside of side shell is set, and planet carrier is connected with side shell by fixing sleeve；The inside of planet carrier is arranged in the fixing axle,
And fixing axle is connected with planet carrier by embedded mode；The outside of fixing axle, and planetary gear is arranged in the planetary gear
It is connected with fixing axle by bearing；The output shaft is arranged in the inside of fixing sleeve, and output shaft passes through with fixing sleeve and engages
Mode is connected；The fixing sleeve is located at the middle position on the right side of planet carrier, and fixing sleeve is an integral structure with planet carrier.
As advanced optimizing for the technical program, a kind of planet-gear speed reducer that compact-sized torque is big of the utility model
Shell described in structure is the oblong-shaped of the arc-shaped transition setting in top, and the inside of shell offers and matches with ring gear in interference
The round embedded groove of setting is closed, the middle position inside shell left side is equipped with for wearing the fixing bearing for connecing input shaft.
As advanced optimizing for the technical program, a kind of planet-gear speed reducer that compact-sized torque is big of the utility model
Input shaft one end described in structure is offer flat key slot cylindric, and the other end is sun gear, and the sun of input shaft one end
Gear engages connection with planetary gear.
As advanced optimizing for the technical program, a kind of planet-gear speed reducer that compact-sized torque is big of the utility model
Side shell described in structure is that inside offers the discoid of round cavity, and the middle position inside side shell right side is equipped with for wearing
Connect the fixing bearing of fixing sleeve.
As advanced optimizing for the technical program, a kind of planet-gear speed reducer that compact-sized torque is big of the utility model
Planet carrier described in structure is arranged in triangular shape, and the mode of being triangularly arranged is equipped with columned fixation at three on planet carrier
Axis.
As advanced optimizing for the technical program, a kind of planet-gear speed reducer that compact-sized torque is big of the utility model
Planetary gear described in structure is round spur gear, and planetary gear is connected with ring gear by engagement system.
As advanced optimizing for the technical program, a kind of planet-gear speed reducer that compact-sized torque is big of the utility model
Output shaft one end described in structure is offer flat key slot cylindric, and the other end is spline shaft structure.
As advanced optimizing for the technical program, a kind of planet-gear speed reducer that compact-sized torque is big of the utility model
Fixing sleeve described in structure is the cylindric of internal setting internal spline, and fixing sleeve is connected with side shell by bearing.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
A kind of planet-gear speed reducer structure that compact-sized torque is big of the utility model, by by the sun tooth on input shaft
It takes turns planetary gear and the ring gear being meshed with planetary gear at three on engagement planet carrier and concentrates encapsulation in the housing, make this
The connection structure of device is more compact, so that the transmission fastness of the device be made to be improved.
A kind of planet-gear speed reducer structure that compact-sized torque is big of the utility model, is nibbled by the sun gear on input shaft
It closes planetary gear at three to be rotated in ring gear, so that planet carrier be driven to rotate, and reduces its revolving speed, then make planet carrier
On output shaft obtain large torque deceleration purpose.
A kind of the utility model planet-gear speed reducer structure that compact-sized torque is big, by referring to accompanying drawing 1 device
Assembly structure diagram is installed into shell using by input shaft, ring gear, and planetary gear, planet carrier are then assembled into side
Output shaft is installed into fixing sleeve after in shell, the design structure of back shell and shell encapsulation makes the whole design of the device
Structure is relatively simple, is convenient for Fast Installation.
The utility model has connection structure more compact by the improvement to above-mentioned apparatus in structure, improves transmission
Fastness, and deceleration torque is big and structure is simple, the advantages that convenient for assembling, so that effective solution the utility model is being carried on the back
The problem of being proposed in scape technology one and deficiency.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the assembly structure diagram of the utility model；
Fig. 2 is the surface structure schematic diagram of the utility model；
Fig. 3 is the planetary gear engaging structure schematic diagram of the utility model；
Fig. 4 is the planetary gear package assembly schematic diagram of the utility model；
Fig. 5 is the side shell structure schematic diagram of the utility model.·
In figure: shell 1, ring gear 3, side shell 4, planet carrier 5, fixing axle 6, planetary gear 7, output shaft 8, is consolidated input shaft 2
Surely 501 are covered.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a；The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 5, the utility model provides a kind of tool of planet-gear speed reducer structure that compact-sized torque is big
Body technique embodiment:
A kind of planet-gear speed reducer structure that compact-sized torque is big, comprising: shell 1, input shaft 2, ring gear 3, side shell
4, planet carrier 5, fixing axle 6, planetary gear 7, output shaft 8, fixing sleeve 501；The interior position in 1 left side of shell is arranged in input shaft 2
It sets, and input shaft 2 is connected with shell 1 by bearing；The inside of shell 1 is arranged in ring gear 3, and ring gear 3 and shell 1 are logical
Embedded mode is crossed to be connected；The right side of shell 1 is arranged in side shell 4, and side shell 4 is bolted mode with shell 1 and is connected；
The inside of side shell 4 is arranged in planet carrier 5, and planet carrier 5 is connected with side shell 4 by fixing sleeve 501；The setting of fixing axle 6 is expert at
The inside of carrier 5, and fixing axle 6 is connected with planet carrier 5 by embedded mode；The outer of fixing axle 6 is arranged in planetary gear 7
Portion, and planetary gear 7 is connected with fixing axle 6 by bearing；The inside of fixing sleeve 501, and output shaft 8 is arranged in output shaft 8
It is connected with fixing sleeve 501 by engagement system；Fixing sleeve 501 is located at the middle position on 5 right side of planet carrier, and fixing sleeve 501
It is an integral structure with planet carrier 5.
Specifically, shell 1 is the oblong-shaped of the arc-shaped transition setting in top, and the inside of shell 1 offers and internal tooth
For circle 3 in the round embedded groove being arranged is interference fitted, the middle position inside 1 left side of shell, which is equipped with, connects input shaft 2 for wearing
Fixing bearing is provided with the internal rectangular-shaped mounting base for offering bolt through hole in combination with the two sides of shell 1 shown in Fig. 2.
Specifically, 2 one end of input shaft is offer flat key slot cylindric, the other end is sun gear, and input shaft 2 one
The sun gear at end engages connection with planetary gear 7.
Specifically, side shell 4 is that inside offers the discoid of round cavity, and the middle position peace inside 4 right side of side shell
Equipped with for wearing the fixing bearing for connecing fixing sleeve 501.
Specifically, planet carrier 5 is arranged in triangular shape, and the mode of being triangularly arranged is equipped with cylinder at three on planet carrier 5
The fixing axle 6 of shape.
Specifically, planetary gear 7 is round spur gear, and planetary gear 7 is connected with ring gear 3 by engagement system.
Specifically, 8 one end of output shaft is offer flat key slot cylindric, the other end is spline shaft structure.
Specifically, fixing sleeve 501 is the cylindric of internal setting internal spline, and fixing sleeve 501 passes through bearing phase with side shell 4
Connection.
Specific implementation step:
Input shaft 2 is connected by flat key with power motor first, then by output shaft 8 by flat key or shaft coupling with
Driving device is connected, and is then rotated in ring gear 3 by the sun gear meshing planetary gear 7 on input shaft 2, to drive
Planet carrier 5 is also driven in side shell 4, and reduces the transmission speed of planet carrier 5, then makes to be mounted on planet carrier 5
Output shaft 8 in fixing sleeve 501 realizes the purpose slowed down.
In summary: a kind of planet-gear speed reducer structure that compact-sized torque is big, by by the sun on input shaft
Gear engage on planet carrier three at planetary gear and the ring gear being meshed with planetary gear concentrate encapsulation in the housing, make
The connection structure of the device is more compact, to solve the problems, such as that fastness is poor at existing apparatus connection structure；By by defeated
Enter planetary gear at the sun gear engagement three on axis to be rotated in ring gear, so that planet carrier be driven to rotate, and reduce
Its revolving speed, to solve the problems, such as that existing apparatus deceleration torque is lesser；The package assembly signal of 1 device by referring to accompanying drawing
Figure, is installed into shell using by input shaft, ring gear, will output after then planetary gear, planet carrier are assembled into the shell of side
Axis is installed into fixing sleeve, and the design structure of back shell and shell encapsulation, to solve existing apparatus, structure is complicated, causes group
The relatively complicated problem of dress process.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of planet-gear speed reducer structure that compact-sized torque is big, comprising: shell (1), input shaft (2), ring gear (3),
Side shell (4), planet carrier (5), fixing axle (6), planetary gear (7), output shaft (8), fixing sleeve (501)；It is characterized by: described
The interior location that input shaft (2) is arranged on the left of shell (1), and input shaft (2) is connected with shell (1) by bearing；It is described
Ring gear (3) is arranged in the inside of shell (1), and ring gear (3) is connected with shell (1) by embedded mode；The side shell
(4) it is arranged on the right side of shell (1), and side shell (4) is connected with shell (1) mode of being bolted；The planet carrier (5)
Inside in side shell (4) is set, and planet carrier (5) is connected with side shell (4) by fixing sleeve (501)；The fixing axle (6) sets
The inside in planet carrier (5) is set, and fixing axle (6) is connected with planet carrier (5) by embedded mode；The planetary gear (7)
Outside in fixing axle (6) is set, and planetary gear (7) is connected with fixing axle (6) by bearing；The output shaft (8) sets
The inside in fixing sleeve (501) is set, and output shaft (8) is connected with fixing sleeve (501) by engagement system；The fixing sleeve
(501) it is located at the middle position on the right side of planet carrier (5), and fixing sleeve (501) is an integral structure with planet carrier (5).
2. a kind of big planet-gear speed reducer structure of compact-sized torque according to claim 1, it is characterised in that: described
Shell (1) is the oblong-shaped of the arc-shaped transition setting in top, and the inside of shell (1) is offered with ring gear (3) in interference
The round embedded groove being equipped with, on the left of shell (1) inside middle position be equipped with for wearing the fixing axle for connecing input shaft (2)
It holds.
3. a kind of big planet-gear speed reducer structure of compact-sized torque according to claim 1, it is characterised in that: described
Input shaft (2) one end is offer flat key slot cylindric, and the other end is sun gear, and the sun tooth of input shaft (2) one end
Wheel engages connection with planetary gear (7).
4. a kind of big planet-gear speed reducer structure of compact-sized torque according to claim 1, it is characterised in that: described
Side shell (4) is that inside offers the discoid of round cavity, and the middle position inside side shell (4) right side is equipped with and connects for wearing
The fixing bearing of fixing sleeve (501).
5. a kind of big planet-gear speed reducer structure of compact-sized torque according to claim 1, it is characterised in that: described
Planet carrier (5) is arranged in triangular shape, and the mode of being triangularly arranged is equipped with columned fixing axle at three on planet carrier (5)
(6).
6. a kind of big planet-gear speed reducer structure of compact-sized torque according to claim 1, it is characterised in that: described
Planetary gear (7) is round spur gear, and planetary gear (7) is connected with ring gear (3) by engagement system.
7. a kind of big planet-gear speed reducer structure of compact-sized torque according to claim 1, it is characterised in that: described
Output shaft (8) one end is offer flat key slot cylindric, and the other end is spline shaft structure.
8. a kind of big planet-gear speed reducer structure of compact-sized torque according to claim 1, it is characterised in that: described
Fixing sleeve (501) is the cylindric of internal setting internal spline, and fixing sleeve (501) is connected with side shell (4) by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821259742.6U CN208397232U (en) | 2018-08-07 | 2018-08-07 | A kind of planet-gear speed reducer structure that compact-sized torque is big |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821259742.6U CN208397232U (en) | 2018-08-07 | 2018-08-07 | A kind of planet-gear speed reducer structure that compact-sized torque is big |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397232U true CN208397232U (en) | 2019-01-18 |
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ID=65129418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821259742.6U Expired - Fee Related CN208397232U (en) | 2018-08-07 | 2018-08-07 | A kind of planet-gear speed reducer structure that compact-sized torque is big |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630622A (en) * | 2019-02-14 | 2019-04-16 | 江苏嘉瑞丰机电设备有限公司 | Large torque slow-speed of revolution energy-saving electric machine |
| CN113915296A (en) * | 2021-10-25 | 2022-01-11 | 常州市光卓传动设备有限公司 | Planet wheel transmission mechanism |
-
2018
- 2018-08-07 CN CN201821259742.6U patent/CN208397232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630622A (en) * | 2019-02-14 | 2019-04-16 | 江苏嘉瑞丰机电设备有限公司 | Large torque slow-speed of revolution energy-saving electric machine |
| CN113915296A (en) * | 2021-10-25 | 2022-01-11 | 常州市光卓传动设备有限公司 | Planet wheel transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20200807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |