CN107091320B - Micro gear box and output shaft thereof - Google Patents
Micro gear box and output shaft thereof Download PDFInfo
- Publication number
- CN107091320B CN107091320B CN201610091115.5A CN201610091115A CN107091320B CN 107091320 B CN107091320 B CN 107091320B CN 201610091115 A CN201610091115 A CN 201610091115A CN 107091320 B CN107091320 B CN 107091320B
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- China
- Prior art keywords
- planet carrier
- shaft
- shaft body
- output
- output shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of gearboxes, and discloses a micro gearbox and an output shaft thereof. The miniature gearbox comprises a shell, a planet carrier arranged in the shell and attached to the inner end face of the output end of the planet carrier, and an output shaft penetrating through the output end of the shell and rotationally positioned with the planet carrier, wherein the output shaft comprises a shaft body and a positioning part coaxially arranged at the tail end of the shaft body, the positioning part is in limit fit with the planet carrier along the central shaft of the output shaft and towards the direction of the outer end of the shaft body, and the outer end of the shaft body is in limit fit with the outer end face of the output end along the central shaft and towards the direction of the tail end of the shaft body. The miniature gear box and the output shaft thereof provided by the invention effectively prevent the axial movement of the output shaft, improve the overall running stability of the miniature gear box and prolong the service life.
Description
Technical Field
The invention relates to the technical field of gearboxes, in particular to a micro gearbox and an output shaft thereof.
Background
At present, miniature gearboxes with small volumes and high reduction ratios are increasingly widely used, such as electronic door locks, communication equipment, precision instruments, medical instruments, smart home and the like. The output shaft serves as the final power take-off element of the gearbox, which is the part of the gearbox where torque and forces are greatest. The output shaft of the existing micro gear box adopts a cylindrical structure design or a cylindrical structure design with positioning trimming edges, and when the output shaft is installed, the output shaft is pressed into the last stage of planet carrier of the gear box through axial pressure, and the output shaft is prevented from moving along the axial direction through interference fit. However, when the gear box is operated for a long time, the interference between the output shaft and the planet carrier is gradually reduced due to the alternating load, and thus, when the output shaft is subjected to axial force, axial movement is very easy to occur to influence the performance of the gear box, and even failures such as output shaft falling-out or gear box axial clamping occur.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the micro gear box and the output shaft thereof, so that the axial movement of the output shaft is avoided, the overall running stability of the micro gear box is improved, and the service life of the micro gear box is prolonged.
The embodiment of the invention provides a miniature gearbox, which comprises a shell, a planet carrier arranged in the shell and attached to the inner end face of an output end of the planet carrier, and an output shaft penetrating through the output end of the shell and rotationally positioned with the planet carrier, wherein the output shaft comprises a shaft body and a positioning part coaxially arranged at the tail end of the shaft body, the positioning part is in limit fit with the planet carrier along the central axis of the output shaft and in the direction of the outer end of the shaft body, and the outer end of the shaft body is in limit fit with the outer end face of the output end along the central axis and in the direction of the tail end of the shaft body.
Further, the shaft body and the positioning part are both cylindrical, and the shaft diameter of the positioning part is larger than that of the shaft body.
Further, the planet carrier center department has the mounting hole, sink the bench groove has been seted up to the inner edge of mounting hole, the periphery of location portion protruding be equipped with the adaptation in sink the bench groove step, location portion wears to locate in the mounting hole, just the step holding in sink the bench inslot and form towards the axial displacement of shaft body outer end is spacing.
Further, the outer peripheral wall of the positioning part is provided with a mounting trimming, the inner wall of the mounting hole is provided with a positioning trimming, and the mounting trimming is parallel and is abutted to the positioning trimming to form rotary positioning.
Further, the method comprises the steps of, a bearing is arranged in the opening of the output end, the shaft body can be rotatably arranged in the bearing in a penetrating mode.
Further, a clamping ring groove is formed in the periphery of the outer end of the shaft body in a surrounding mode, a clamping ring is arranged on the clamping ring groove in a clamping mode, and the clamping ring resists the outer end face of the output end of the shell and forms an axial movement limit towards the tail end of the shaft body.
Further, a gasket is sleeved at the outer end of the shaft body, and the gasket is clamped between the clamping ring and the outer end face of the output end of the shell.
Further, an output trimming edge for transmission connection is arranged on the peripheral wall of the outer end of the shaft body.
Further, the micro gear box also comprises a planetary gear connected with the planetary carrier, a motor gear meshed with the planetary gear, and an end cover covered at the tail end of the shell.
The embodiment of the invention provides an output shaft, which is used in a micro gear box, wherein the micro gear box comprises a shell and a planet carrier arranged in the shell and abutted against the inner end face of an output end of the micro gear box, the output shaft penetrates through the output end of the shell and is positioned in a rotating way with the planet carrier, the output shaft comprises a shaft body and a positioning part coaxially arranged at the tail end of the shaft body, the positioning part is in limit fit with the planet carrier along the central shaft of the output shaft and towards the direction of the outer end of the shaft body, and the outer end of the shaft body is in limit fit with the outer end face of the output end along the central shaft and towards the direction of the tail end of the shaft body.
Based on the technical scheme, compared with the prior art, the miniature gear box and the output shaft thereof provided by the embodiment of the invention, wherein the output shaft comprises the shaft body and the positioning part coaxially arranged at the tail end of the shaft body, the output shaft is in limit fit with the planet carrier through the positioning part of the output shaft, so that the problem of falling off caused by the external movement of the output shaft to the gear box is avoided, and meanwhile, the output shaft is in limit fit with the external end face of the output end of the shell through the external end of the shaft body, so that the problem of axial blocking of the gear box caused by the internal movement of the output shaft to the gear box is avoided.
Drawings
FIG. 1 is a schematic perspective view of a micro-gearbox according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a micro-gearbox according to an embodiment of the present invention;
FIG. 3 is a schematic view of a sectional view of a micro-gearbox according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of an output shaft according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only, and are not intended to limit the invention.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, the terms of left, right, upper, lower, etc. in the embodiments of the present invention are merely relative concepts or references to the normal use state of the product, and should not be construed as limiting. The implementation of the present invention will be described in detail below with reference to specific embodiments.
As shown in fig. 1 to 4, an embodiment of the present invention provides a micro gear box, which may include a housing 1, a planet carrier 2 and an output shaft 3, wherein the housing 1 is a hollow shell with a front end open and a rear end open, where the front end of the housing 1 is an output end 11, the planet carrier 2 is disposed in the housing 1 and abuts against an inner end surface of the output end 11, the output shaft 3 is disposed in the output end 11 of the housing 1 in a penetrating manner, and the rear end of the output shaft 3 extends into the housing 1 and is rotationally positioned with the planet carrier 2, so that the planet carrier 2 axially rotates to drive the output shaft 3 axially. Specifically, the output shaft 3 may include a shaft body 31 and a positioning portion 32, and the positioning portion 32 is coaxially disposed at the trailing end of the shaft body 31. Inside the housing 1 of the micro gear box, the positioning part 32 of the output shaft 3 is in limit fit with the planet carrier 2, specifically in a direction along the central axis of the output shaft 3 and towards the outer end of the shaft body 31, and meanwhile, outside the housing 1 of the micro gear box, the outer end of the shaft body 31 of the output shaft 3 is in limit fit with the outer end face of the output end 11 of the housing 1, specifically in a direction along the central axis of the output shaft 3 and towards the tail end of the shaft body 31.
As described above, the micro gear box according to the embodiment of the present invention has the output shaft 3 including the shaft body 31 and the positioning portion 32 coaxially disposed at the tail end of the shaft body 31, where the output shaft 3 is in limit fit with the planet carrier 2 through the positioning portion 32 thereof, so as to form a movement limit along the direction of the outer end of the shaft body, thereby avoiding the problem that the output shaft 3 is separated out due to the movement toward the outer end face of the output end 11 of the housing 1 through the limit fit of the outer end of the shaft body 31 thereof, and forming a movement limit along the direction of the central shaft toward the tail end thereof, so as to avoid the problem that the output shaft 3 moves toward the inside of the gear box to cause axial jamming of the gear box, thereby effectively improving the overall operation stability of the micro gear box and prolonging the service life thereof.
Further, in the embodiment of the present invention, both the shaft body 31 and the positioning portion 32 are preferably cylindrical, and the shaft diameter of the positioning portion 32 is greater than the shaft diameter of the shaft body 31. Thus, the shaft body 31 and the positioning part 32 are designed to be cylindrical, and the shaft diameter of the positioning part 32 is larger than that of the shaft body 31, so that the assembly and positioning of the output shaft 3 and the planet carrier 2 are more convenient. Of course, according to the actual situation and specific requirements, in other embodiments of the present invention, the shaft body 31 and the positioning portion 32 may have other shapes, which are not limited herein.
Further, in the embodiment of the present invention, the center of the planet carrier 2 has a mounting hole 20, and the mounting hole 20 is adapted to the positioning portion 32 at the tail end of the output shaft 3, where the positioning portion 32 is accommodated in the mounting hole 20 and forms a rotational positioning, so that when the planet carrier 2 rotates axially, the output shaft 3 is driven to rotate axially. Of course, according to the actual situation and the specific requirements, in other embodiments of the present invention, the above-mentioned planet carrier 2 may also be engaged with the output shaft 3 by other manners, which are not limited only herein.
Further, in the embodiment of the present invention, the inner end edge of the mounting hole 20 is provided with a sink groove 200, and the outer periphery of the positioning portion 32 is convexly provided with a step 321 adapted to the sink groove 200, the step 321 is accommodated in the sink groove 200, and at the same time, the groove bottom of the sink groove 200 resists the step 321 moving toward the outer end of the mounting hole 20, so that an axial movement limit toward the outer end of the shaft body 31 is formed, that is, the step 321 cooperates with the sink groove 200 to prevent the output shaft 3 from moving toward the outside of the gearbox. In addition, a clearance gap is formed between the inner wall of the sinking platform groove 200 and the outer peripheral wall of the step 321, and the end face of the positioning portion 32 does not exceed the inner side face of the planet carrier 2, that is, the end face of the tail end of the output shaft 3 does not exceed the inner side face of the planet carrier 2, so that the assembly of the positioning portion 32 and the planet carrier 2 is compact, and the installation is simple and convenient. Of course, according to the actual situation and specific requirements, in other embodiments of the present invention, the positioning portion 32 of the output shaft 3 and the planet carrier 2 may be engaged with each other in a limited manner, which is not limited only herein.
In the embodiment of the present invention, the outer peripheral wall of the positioning portion 32 has a mounting edge 322, where the mounting edge 322 is a plane. Correspondingly, the inner wall of the mounting hole 20 of the planet carrier 2 has positioning cut-outs (not shown in the drawings) adapted to the mounting cut-outs 322. After assembly, the positioning portion 32 is accommodated in the mounting hole 20, and the mounting cut edges 322 on the outer peripheral wall of the positioning portion 32 are abutted in parallel against the positioning cut edges of the inner wall of the mounting hole 20, so that the positioning portion 32 and the planet carrier 2 form rotational positioning. Of course, according to practical situations and specific requirements, in other embodiments of the present invention, the positioning portion 32 of the output shaft 3 may also be engaged with the planet carrier 2 in a rotationally positioning manner by other manners, such as a key connection, etc., which is not limited herein.
In the embodiment of the present invention, the bearing 4 is disposed in the opening of the output end 11, and the shaft body 31 of the output shaft 3 is rotatably disposed through the bearing 4. Through being provided with bearing 4 in the trompil of output 11 to with the rotatable wearing of axle body 31 of output shaft 3 locate in bearing 4, reduced the rotation friction of output shaft 3 effectively, promoted the wholeness ability of this micro-gearbox.
In the embodiment of the present invention, the outer circumference of the outer end of the shaft body 31 is provided with a snap ring groove 310, the snap ring groove 310 is provided with a snap ring 5, and the snap ring 5 abuts against the outer end surface of the output end 11 of the housing 1, so as to block the axial movement of the shaft body 31 toward the tail end thereof, thereby forming an axial movement limit toward the tail end of the shaft body 31. That is, the retaining ring 5 and the outer end face of the output end 11 are in stop and limit fit, so that the output shaft 3 is prevented from moving towards the inside of the gearbox, and the micro-gearbox is prevented from being blocked axially. Of course, according to the actual situation and specific requirements, in other embodiments of the present invention, the snap ring 5 may directly abut against the outer end surface of the output end 11, or may indirectly abut against the outer end surface of the output end 11, and in addition, the shaft body 31 of the output shaft 3 and the output end 11 may be in a limiting fit by other manners, which is not limited herein.
Further, in the embodiment of the present invention, a gasket 6 is sleeved on the outer end of the shaft body 31, and the gasket 6 is sandwiched between the snap ring 5 and the outer end surface of the output end 11 of the housing 1. That is, the snap ring 5 is installed in the snap ring groove 310, the snap ring 5 is located outside the outer end face of the output end 11 of the housing 1, and the gasket 6 is installed between the snap ring 5 and the outer end face of the output end 11 in order to reduce friction, so that the snap ring 5 cooperates with the gasket 6 and the outer end face of the output end 11 to prevent the output shaft 3 from moving toward the inside of the gear case. Of course, according to the actual situation and the specific requirements, in other embodiments of the present invention, the friction between the gasket 6 and the outer end surface of the output end 11 may be reduced by other means, which is not limited only herein.
In the embodiment of the present invention, the outer peripheral wall of the outer end of the shaft body 31 has an output trimming 311, and the output trimming 311 is used for being in transmission connection with other external devices to realize power transmission. Here, the output trim 311 and the above-described mounting trim 322 are both used to transmit torque when the output shaft 3 rotates. Of course, according to the actual situation and specific requirements, in other embodiments of the present invention, the driving connection between the outer end of the shaft body 31 and other external devices may be implemented by other manners, such as a key connection, etc., which is not limited herein.
Further, in the embodiment of the present invention, the micro gear box further includes a planetary gear 7, a motor gear 8, and an end cover 9, wherein the end cover 9 covers the opening at the tail end of the housing 1, the end cover 9 covers the housing 1 to form an inner cavity, the planetary carrier 2, the planetary gear 7, and the motor gear 8 are all disposed in the inner cavity, the planetary gear 7 is movably connected to the planetary carrier 2, and the motor gear 8 is meshed with the planetary gear 7. In this way, the motor gear 8 rotates to drive the planetary gear 7 meshed with the motor gear to rotate, the planetary gear 7 drives the planet carrier 2 to rotate, and the planet carrier 2 drives the output shaft 3 to rotate. Of course, in other embodiments of the invention, the micro-gearbox may also include other components, not limited herein, depending on the actual situation and the particular needs.
In the embodiment of the present invention, when the micro gear box is installed, the positioning portion 32 at the tail end of the output shaft 3 is first installed in the installation hole 20 of the planet carrier 2, then the bearing 4 is disposed in the output hole (i.e. the opening hole) of the output end 11 of the housing 1, then the outer end of the shaft body 31 of the output shaft 3 is inserted through the bearing 4, then other parts of the micro gear box are installed, and finally the gasket 6 and the snap ring 5 are installed at the outer end of the shaft body 31 of the output shaft 3, thereby completing the installation of the output shaft 3.
As shown in fig. 1 to 4, the embodiment of the present invention further provides an output shaft 3, which is used in the micro gear box, the micro gear box may include a housing 1, a planet carrier 2 and the output shaft 3, wherein the housing 1 is a hollow housing with a front end open and a rear end open, here, the front end of the housing 1 is an output end 11, the planet carrier 2 is disposed in the housing 1 and abuts against an inner end surface of the output end 11, the output shaft 3 is disposed in the output end 11 of the housing 1 in a penetrating manner, and a rear end of the output shaft 3 extends into the housing 1 and is rotationally positioned with the planet carrier 2, so that the planet carrier 2 axially rotates to drive the output shaft 3 to axially rotate. Specifically, the output shaft 3 may include a shaft body 31 and a positioning portion 32, where the positioning portion 32 is coaxially disposed at the tail end of the shaft body 31, and the positioning portion 32 of the output shaft 3 is in spacing fit with the planet carrier 2, specifically, along the central axis of the output shaft 3 and toward the outer end of the shaft body 31, and meanwhile, the outer end of the shaft body 31 of the output shaft 3 is in spacing fit with the outer end face of the output end 11 of the housing 1, specifically, along the central axis of the output shaft 3 and toward the tail end of the shaft body 31.
Based on the technical proposal, the output shaft provided by the embodiment of the invention forms the movement limit along the direction of the outer end of the center shaft towards the outer end by the limit fit of the positioning part 32 and the planet carrier 2, avoids the problem that the output shaft 3 moves towards the outside of the gear box to be separated, and is in limit fit with the outer end face of the output end 11 of the shell 1 by the outer end of the shaft body 31, the movable limiting device has the advantages that the movable limiting device is arranged along the direction of the tail end of the movable limiting device, the problem that the output shaft 3 moves towards the inside of the gearbox to cause axial clamping of the gearbox is avoided, the overall running stability of the miniature gearbox is effectively improved, the service life of the miniature gearbox is prolonged, and the output shaft 3 is good in universality, and is suitable for both common-diameter gearboxes and gearboxes with small diameters.
The above examples are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, any person skilled in the art will be within the scope of the present disclosure, various equivalent modifications, substitutions and improvements are readily contemplated, and are intended to be within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (8)
1. The miniature gearbox comprises a shell, a planet carrier and an output shaft, wherein the planet carrier is arranged in the shell and is abutted against the inner end face of the output end of the shell, and the output shaft penetrates through the output end of the shell and is positioned in a rotating mode with the planet carrier; the shaft body and the positioning part are cylindrical, and the shaft diameter of the positioning part is larger than that of the shaft body; the center of the planet carrier is provided with a mounting hole, the edge of the inner end of the mounting hole is provided with a sinking platform groove, the periphery of the positioning part is convexly provided with a step which is adapted to the sinking platform groove, the positioning part is arranged in the mounting hole in a penetrating way, the step is accommodated in the sinking platform groove, and axial movement limiting towards the outer end of the shaft body is formed; an empty clearance is formed between the inner wall of the sinking platform groove and the outer peripheral wall of the step, and the end face of the positioning part does not exceed the inner side face of the planet carrier.
2. A gearbox according to claim 1 in which the peripheral wall of the locating portion has mounting tabs and the inner wall of the mounting bore has locating tabs, the mounting tabs being positioned parallel against the locating tabs to provide rotational positioning.
3. A micro-gearbox as set forth in claim 2, wherein, the bearing is arranged in the opening of the output end, and the shaft body can be rotatably arranged in the bearing in a penetrating mode.
4. The micro gear box according to claim 1, wherein a snap ring groove is formed on the periphery of the outer end of the shaft body in a surrounding manner, a snap ring is clamped on the snap ring groove, and the snap ring is abutted against the outer end face of the output end of the housing and forms an axial movement limit towards the tail end of the shaft body.
5. The micro-gearbox as set forth in claim 4, wherein the outer end of the shaft body is sleeved with a spacer, and the spacer is sandwiched between the snap ring and the outer end face of the output end of the housing.
6. A gearbox according to any one of claims 1 to 5 in which the peripheral wall of the outer end of the shaft has output trim for a drive connection.
7. A gearbox according to any one of claims 1 to 5 further comprising a planet gear connected to the planet carrier, a motor gear meshed with the planet gear, and an end cap capped at the rear end of the housing.
8. The output shaft is used in a micro gear box, the micro gear box comprises a shell and a planet carrier arranged in the shell and abutted against the inner end face of the output end of the planet carrier, and the output shaft penetrates through the output end of the shell and is positioned in a rotating way with the planet carrier; the shaft body and the positioning part are cylindrical, and the shaft diameter of the positioning part is larger than that of the shaft body; the planet carrier is provided with a mounting hole in the center, a sinking platform groove is formed in the edge of the inner end of the mounting hole, a step which is adapted to the sinking platform groove is convexly arranged on the periphery of the positioning part, the positioning part is arranged in the mounting hole in a penetrating manner, and the step is accommodated in the sinking platform groove and forms an axial movement limit towards the outer end of the shaft body; an empty clearance is formed between the inner wall of the sinking platform groove and the outer peripheral wall of the step, and the end face of the positioning part does not exceed the inner side face of the planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610091115.5A CN107091320B (en) | 2016-02-18 | 2016-02-18 | Micro gear box and output shaft thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610091115.5A CN107091320B (en) | 2016-02-18 | 2016-02-18 | Micro gear box and output shaft thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107091320A CN107091320A (en) | 2017-08-25 |
| CN107091320B true CN107091320B (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610091115.5A Active CN107091320B (en) | 2016-02-18 | 2016-02-18 | Micro gear box and output shaft thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091320B (en) |
Citations (10)
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|---|---|---|---|---|
| JP2001173733A (en) * | 1999-12-17 | 2001-06-26 | Namiki Precision Jewel Co Ltd | Planetary gear reduction mechanism for small motor |
| CN201265627Y (en) * | 2008-08-05 | 2009-07-01 | 何兴强 | Miniature planetary gear speed reducer |
| CN201386762Y (en) * | 2009-04-16 | 2010-01-20 | 许晓华 | Planet gear reduction gearbox |
| CN202185281U (en) * | 2011-07-01 | 2012-04-11 | 丁开仙 | Submersible agitating planetary reducer |
| CN102777585A (en) * | 2012-07-13 | 2012-11-14 | 无锡市聚英机械制造有限公司 | Planet carrier for output end of reducer |
| CN203067760U (en) * | 2013-02-01 | 2013-07-17 | 深圳市兆威机电有限公司 | Combined planet carrier |
| CN103486204A (en) * | 2013-08-28 | 2014-01-01 | 浙江天鸿传动机械有限公司 | Miniature planetary gear reducer |
| CN204628529U (en) * | 2015-05-14 | 2015-09-09 | 宁波四宇传动设备有限公司 | A kind of planet carrier of planet-gear speed reducer |
| CN204921941U (en) * | 2015-08-24 | 2015-12-30 | 江苏泰宇减速机有限公司 | Components of a whole that can function independently high strength planet carrier |
| CN205503951U (en) * | 2016-02-18 | 2016-08-24 | 深圳市兆威机电有限公司 | Micro -gear case and output shaft thereof |
-
2016
- 2016-02-18 CN CN201610091115.5A patent/CN107091320B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001173733A (en) * | 1999-12-17 | 2001-06-26 | Namiki Precision Jewel Co Ltd | Planetary gear reduction mechanism for small motor |
| CN201265627Y (en) * | 2008-08-05 | 2009-07-01 | 何兴强 | Miniature planetary gear speed reducer |
| CN201386762Y (en) * | 2009-04-16 | 2010-01-20 | 许晓华 | Planet gear reduction gearbox |
| CN202185281U (en) * | 2011-07-01 | 2012-04-11 | 丁开仙 | Submersible agitating planetary reducer |
| CN102777585A (en) * | 2012-07-13 | 2012-11-14 | 无锡市聚英机械制造有限公司 | Planet carrier for output end of reducer |
| CN203067760U (en) * | 2013-02-01 | 2013-07-17 | 深圳市兆威机电有限公司 | Combined planet carrier |
| CN103486204A (en) * | 2013-08-28 | 2014-01-01 | 浙江天鸿传动机械有限公司 | Miniature planetary gear reducer |
| CN204628529U (en) * | 2015-05-14 | 2015-09-09 | 宁波四宇传动设备有限公司 | A kind of planet carrier of planet-gear speed reducer |
| CN204921941U (en) * | 2015-08-24 | 2015-12-30 | 江苏泰宇减速机有限公司 | Components of a whole that can function independently high strength planet carrier |
| CN205503951U (en) * | 2016-02-18 | 2016-08-24 | 深圳市兆威机电有限公司 | Micro -gear case and output shaft thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107091320A (en) | 2017-08-25 |
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Address after: 518000 Guangdong Shenzhen Baoan District Fuyong Street Dragon King Temple Industrial Park 18 Applicant after: SHENZHEN ZHAOWEI MACHINERY&ELECTRONICS Co.,Ltd. Address before: 518000 Guangdong Shenzhen Baoan District Fuyong Street Dragon King Temple Industrial Park 18 Applicant before: Shenzhen Zhaowei Machinery&electronics Co.,Ltd. |
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