CN209228958U - A kind of planetary reducer structure - Google Patents
A kind of planetary reducer structure Download PDFInfo
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- CN209228958U CN209228958U CN201821684684.1U CN201821684684U CN209228958U CN 209228958 U CN209228958 U CN 209228958U CN 201821684684 U CN201821684684 U CN 201821684684U CN 209228958 U CN209228958 U CN 209228958U
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- bearing
- disc type
- output shaft
- type output
- locking nut
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Abstract
The utility model provides a kind of planetary reducer structure, comprising: disc type output shaft, first bearing, second bearing, procapsid, locking nut, back casing, oil sealing, planetary gear set, input shaft, input shaft bearing, ring flange；Disc type output shaft front end is connected with procapsid by first bearing, the rear end of disc type output shaft is connect by second bearing with procapsid and back casing, locking nut is connected with the outer wall of disc type output shaft by screw thread, and fitted closely with second bearing rear side, locking nut is set in the cavity between back casing and disc type output shaft.The utility model passes through the improvement to planetary reducer structure, the especially improvement of locking mode, axial locking can be carried out to bearing on output shaft, and it is sufficiently used spare space, the volume of speed reducer can be further reduced, when avoiding locking nut simultaneously set on disc type output shaft front end, screw thread is too long and structure is complicated, and nut is thin, does not allow the problem of easy processing.
Description
Technical field
The utility model relates to mechanical equipment technical fields, more specifically, more particularly to a kind of planetary reducer structure.
Background technique
The principle of planetary reduction gear is a kind of power transmission mechanism, using the velocity transducer of gear, by the revolution of motor
Number decelerates to desired winding number, and obtains the mechanism of larger torque.The few gear of the number of teeth on planetary reduction gear transmission shaft is nibbled
The gear wheel on output shaft is closed to achieve the purpose that deceleration.
Planetary reducer mainly includes input shaft, several planetary gears and the output shaft that one end is equipped with sun gear,
In order to guarantee the stable drive of speed reducer, need to be commonly installed bearing, existing some planetary reduction gears on the output shaft of speed reducer
Its output shaft of machine is tray type structure, is not easy on output shaft to carry out axial locking to bearing, affects the transmission of planetary reducer
Stable and precision, and due to the development of artificial intelligence, it is smaller and smaller to the volume requirement of the retarder for robot, how
Limited space realizes that stable Large-torsion transmisson becomes more insoluble problem, my company is in Shen on June 19th, 2018
(application number: 201820941339.5) disclosing a kind of planetary reducer structure to utility patent please, is exported by disc type
Axis front end be arranged locking nut, solve the problems, such as to be not easy to bearing axial locking on output shaft, but the screw thread it is too long and
Structure is complicated, and nut is thiner, it is not easy to process, and the other end of disc type output shaft then needs that bearing is arranged beside bearing
Retaining structure improves the difficulty of processing.
Utility model content
The purpose of this utility model is to provide a kind of planetary reducer structures, are not easy with solve to propose in background technique
The problem of axial locking is carried out to bearing on output shaft, and does not allow easy processing.
To achieve the above object, the utility model provides a kind of planetary reducer structure, by technological means in detail below
Reached:
A kind of planetary reducer structure, comprising: disc type output shaft, first bearing, second bearing, procapsid, locking nut,
Back casing, oil sealing, planetary gear set, input shaft, input shaft bearing, ring flange；The front housing and the rear housing forms shell, and preceding
Shell is connected with back casing by bolt, and the both ends of shell are provided with oil sealing；The side of the back casing is provided with ring flange,
And ring flange is connected with back casing by bolt；The inside of shell is arranged in the input shaft, and input shaft and disc type export
Axis is connected by input shaft bearing；One end of the input shaft is provided with sun gear；Disc type output shaft is arranged in shell
Portion is surrounded with planetary gear set on disc type output shaft, and planetary gear set is connected with disc type output shaft by wheel shaft, and
It is meshed with the sun gear；The gear ring being meshed with planetary gear set, and gear ring and front housing are provided on the inside of procapsid
Body is an integral structure setting；Disc type output shaft front end is connected with procapsid by first bearing, the rear end of disc type output shaft
It being connect by second bearing with procapsid and back casing, locking nut is connected with the outer wall of disc type output shaft by screw thread, and
It is fitted closely with second bearing rear side, locking nut is set in the cavity between back casing and disc type output shaft.
Further, the threaded connection place of the locking nut and disc type output shaft is provided with screw thread glue.
Further, the other end of the input shaft is provided with shackle, and shackle is one with input shaft is stated
Body formula structure setting.
Further, first bearing, second bearing are angular contact ball bearing or tapered roller bearing.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the utility model is fitted closely by the improvement of locking mode by locking nut and second bearing rear side,
Axial locking can be carried out to second bearing by screwing locking nut, solved and be not easy on output shaft to ask bearing axial locking
Topic.
2, the utility model locking nut is set in the cavity between back casing and disc type output shaft, is sufficiently used sky
Complementary space, can be further reduced the volume of speed reducer, while when avoiding locking nut set on disc type output shaft front end, screw thread is too
It grows and structure is complicated, nut is thin, does not allow the problem of easy processing.
3, the utility model is provided with the setting of screw thread glue by the threaded connection place of locking nut and disc type output shaft, mentions
The high bonding strength of locking nut and disc type output shaft, is secured firmly to locking nut on disc type output shaft.
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 schematic diagram of internal structure that the first and second bearing of the utility model uses angular contact ball bearing.
Fig. 2 is the schematic diagram of internal structure that the first and second bearing of the utility model uses tapered roller bearing.
In figure: disc type output shaft 1, first bearing 2-1, second bearing 2-2, procapsid 3, locking nut 4, back casing 5, oil
Seal 6, planetary gear set 7, input shaft 8, input shaft bearing 9, ring flange 10, sun gear 801.
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. 2, the utility model provides a kind of particular technique embodiment of planetary reducer structure:
A kind of planetary reducer structure, comprising: disc type output shaft 1, first bearing 2-1, second bearing 2-2, procapsid 3,
Locking nut 4, back casing 5, oil sealing 6, planetary gear set 7, input shaft 8, input shaft bearing 9, ring flange 10；Procapsid 3 and rear shell
Body 5 forms shell, and procapsid 3 is connected with back casing 5 by bolt；The side of back casing 5 is provided with ring flange 10, and method
Blue disk 10 is connected with back casing 5 by bolt；The inside of shell, and input shaft 8 and disc type output shaft 1 is arranged in input shaft 8
It is connected by input shaft bearing 9；One end of input shaft 8 is provided with sun gear 801；Disc type output shaft 1 is arranged in shell
Portion is surrounded with planetary gear set 7 on disc type output shaft 1, and planetary gear set 7 is connected with disc type output shaft 1 by wheel shaft
It connects, and is meshed with sun gear 801；The inside of procapsid 3 is provided with the gear ring being meshed with planetary gear set 7, and gear ring
Setting is an integral structure with procapsid 3；1 front end of disc type output shaft is connected with procapsid 3 by first bearing 2-1, disc type
The rear end of output shaft 1 is connect by second bearing 2-2 with procapsid 3 and back casing 5, and locking nut 4 is outer with disc type output shaft 1
Wall is connected by screw thread, and is fitted closely with second bearing 2-2 rear side, and locking nut 4 is set to back casing 5 and disc type output shaft
In cavity between 1, it is sufficiently used spare space, the volume of speed reducer can be further reduced；The both ends of shell are provided with
Oil sealing 6.
Preferably, the threaded connection place of locking nut 4 and disc type output shaft 1 is provided with screw thread glue, improves locking nut 4
With the bonding strength of disc type output shaft 1, it is secured firmly to locking nut 41 on disc type output shaft.
Preferably, the other end of input shaft 8 is provided with shackle, and shackle and the input shaft 8 are integral type
Structure setting is docked motor shaft with input shaft 8 by shackle.
Preferably, first bearing 2-1, second bearing 2-2 are angular contact ball bearing or tapered roller bearing, first bearing
2-1 and second bearing 2-2 is set to 7 two sides of planetary gear set, keeps output shaft output steady, it is ensured that higher torsional rigid and essence
Degree.
Specific implementation step:
Motor shaft is docked with input shaft 8 using shackle, motor shaft is rotated by shackle band driven input shaft 8,
Then the rotation of sun gear 801 drives planetary gear set 7 along ring gear against rotation, and band moving plate type is defeated while planetary gear set 7 rotates
Shaft 1 rotates, and during disc type output shaft 1 rotates, locking nut 4 can carry out axial locking to second bearing 2-2,
It ensure that stable drive, and then improve torsional rigid and precision solve and be not easy on output shaft to bearing axial locking
Problem, in addition locking nut 4 is reinforced with disc type output shaft 1 by screw thread glue, and locking nut 4 can be made to be secured firmly to disc type output
1 on axis, avoiding influences the axial locking of second bearing 2-2 because locking nut 4 loosens.
In summary: being fitted closely on rear side of a kind of planetary reducer structure, locking nut and second bearing, screw locking
Nut can carry out axial locking to second bearing, solve the problems, such as to be not easy on output shaft to bearing axial locking；Pass through lock
The threaded connection place of tight nut and disc type output shaft is provided with the setting of screw thread glue, improves locking nut and disc type output shaft
Bonding strength is secured firmly to locking nut on disc type output shaft；Locking nut is set between back casing and disc type output shaft
Cavity in, be sufficiently used spare space, the volume of speed reducer can be further reduced, while avoiding locking nut and being set to
When disc type output shaft front end, screw thread is too long and structure is complicated, and nut is thin, does not allow the problem of easy processing, thus effective solution
The problem of the utility model proposes in background technique one and deficiency.
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 (4)
1. a kind of planetary reducer structure, comprising: disc type output shaft, first bearing, second bearing, procapsid, locking nut, after
Shell, oil sealing, planetary gear set, input shaft, input shaft bearing, ring flange；The front housing and the rear housing forms shell, and front housing
Body is connected with back casing by bolt, and the both ends of shell are provided with oil sealing；The side of the back casing is provided with ring flange, and
Ring flange is connected with back casing by bolt；The inside of shell, and input shaft and disc type output shaft is arranged in the input shaft
It is connected by input shaft bearing；One end of the input shaft is provided with sun gear, and the inside of shell is arranged in disc type output shaft,
Planetary gear set is surrounded on disc type output shaft, and planetary gear set is connected with disc type output shaft by wheel shaft, and with
The sun gear is meshed；The gear ring being meshed with planetary gear set, and gear ring and procapsid are provided on the inside of procapsid
It is an integral structure setting；Disc type output shaft front end is connected with procapsid by first bearing, it is characterised in that: disc type output
The rear end of axis is connect by second bearing with procapsid and back casing, and the outer wall of locking nut and disc type output shaft passes through screw thread phase
Connection, and fitted closely with second bearing rear side, locking nut is set in the cavity between back casing and disc type output shaft.
2. a kind of planetary reducer structure according to claim 1, it is characterised in that: the locking nut and disc type export
The threaded connection place of axis is provided with screw thread glue.
3. a kind of planetary reducer structure according to claim 1, it is characterised in that: the other end of the input shaft is arranged
There is a shackle, and shackle and states input shaft and be an integral structure setting.
4. a kind of planetary reducer structure according to claim 1, it is characterised in that: first bearing, second bearing are
Angular contact ball bearing or tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684684.1U CN209228958U (en) | 2018-10-17 | 2018-10-17 | A kind of planetary reducer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684684.1U CN209228958U (en) | 2018-10-17 | 2018-10-17 | A kind of planetary reducer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228958U true CN209228958U (en) | 2019-08-09 |
Family
ID=67500210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821684684.1U Active CN209228958U (en) | 2018-10-17 | 2018-10-17 | A kind of planetary reducer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228958U (en) |
-
2018
- 2018-10-17 CN CN201821684684.1U patent/CN209228958U/en active Active
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