CN107882944B - Double-elliptic gear pair gearbox structure - Google Patents
Double-elliptic gear pair gearbox structure Download PDFInfo
- Publication number
- CN107882944B CN107882944B CN201711036744.9A CN201711036744A CN107882944B CN 107882944 B CN107882944 B CN 107882944B CN 201711036744 A CN201711036744 A CN 201711036744A CN 107882944 B CN107882944 B CN 107882944B
- Authority
- CN
- China
- Prior art keywords
- gear
- diameter
- chain wheel
- transmission disc
- diameter adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
-
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
The invention discloses a double-oval gear pair gearbox structure, which comprises a main chain wheel pair, a secondary chain wheel pair and a chain, wherein at least one of the main chain wheel pair and the secondary chain wheel pair is a double-oval diameter adjusting structure, the double-oval diameter adjusting structure comprises a transmission disc, the transmission disc is provided with a diameter-changing chain wheel pair, the diameter-changing chain wheel pair comprises a gear clutch shaft, a positioning gear, a shifting gear, a diameter-changing shaft and a diameter-changing chain wheel, the gear clutch shaft is eccentrically connected with the positioning gear, the positioning gear is meshed with the shifting gear, and the rotation of the positioning gear can enable teeth of the shifting gear positioned at the outermost side and chain wheel teeth of the diameter-changing chain wheel positioned at the outermost side to approach the axis of the transmission disc, so that the effective outer diameter of the main chain wheel pair or the secondary chain wheel pair is reduced, and the functions of gear shifting and speed. The invention adopts the structure of connecting the chain wheel and the chain, so the invention can bear large load and can not generate the phenomenon of slipping. The invention is used for shifting and regulating the speed of the automobile.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a double-elliptic gear pair gearbox structure.
Background
The manual gearbox mainly comprises gears and shafts, and the speed change and torque change are generated by combining different gears; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear, a hydraulic pitch-changing system and a hydraulic control system. The speed and torque changing is achieved by combining hydraulic transmission and gears.
The existing transmission is a CVT (continuously variable transmission) which shifts smoothly, but the CVT technology also has the weaknesses such as easy damage of a transmission belt, incapability of bearing large load and the like, and the technical difficulties make the CVT technology applied to small-displacement and low-power automobiles all the time.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the gear box structure of the eccentric gear pair is smooth in gear shifting and capable of bearing large load.
The solution of the invention for solving the technical problem is as follows:
a double-ellipse gear pair gearbox structure comprises a main chain wheel pair, a driven chain wheel pair, a chain connected with the main chain wheel pair and the driven chain wheel pair and used for realizing transmission, wherein at least one of the main chain wheel pair and the driven chain wheel pair is a double-ellipse diameter adjusting structure, the double-ellipse diameter adjusting structure comprises a transmission disc fixedly connected with a main shaft, at least three diameter-changing chain wheel pairs which are annularly and uniformly distributed by taking the axis of the transmission disc as a base point are arranged on the transmission disc, each diameter-changing chain wheel pair comprises a gear clutch shaft connected with the transmission disc, an elliptical position-adjusting gear, an elliptical shifting gear, a diameter-changing shaft and an elliptical diameter-changing chain wheel fixedly connected with the shifting gear, the gear clutch shaft is connected with the position-adjusting gear at the center of the position-adjusting gear, the position-adjusting gear is connected with the gear clutch shaft through a first clutch structure, the position-adjusting gear can rotate on the gear clutch shaft, the position-adjusting gear is meshed with the shifting, the diameter-changing shaft is connected with the center of the shifting gear, the positioning gear is close to the axis of the transmission disc, the shifting gear is far away from the axis of the transmission disc, the transmission disc is provided with a diameter-adjusting assembly, the diameter-adjusting assembly comprises a diameter-adjusting wheel coaxial with the transmission disc, the diameter-adjusting wheel is provided with diameter-adjusting teeth, the diameter-adjusting teeth can be meshed with the positioning gear, the diameter-adjusting wheel is connected with the transmission disc through a second clutch structure, the diameter-adjusting wheel can rotate relative to the transmission disc, the positioning gear is driven to rotate, the teeth of the shifting gear located on the outermost side and the axis of the transmission disc are changed, the teeth of the diameter-changing sprocket located on the outermost side and the axis of the transmission disc are changed, the adjustment of the effective outer diameter of the main sprocket pair or the auxiliary sprocket pair is finally realized; only one diameter adjusting tooth is arranged on the diameter adjusting wheel; the diameter adjusting wheel is provided with a diameter adjusting groove, the diameter adjusting groove is internally provided with diameter adjusting teeth, and the diameter adjusting teeth can slide in the diameter adjusting groove, so that the rotating path of the diameter adjusting teeth is intersected with the positioning gear or the rotating path of the positioning gear is separated from the positioning gear; the shape and size of the positioning gear and the shifting gear are the same.
As a further improvement of the scheme, the reference circles of the reducing chain wheel and the shifting gear are axially overlapped.
As a further improvement of the above scheme, the first clutch structure comprises a sliding key and a clutch driver connected with the sliding key, and the sliding key can slide on the gear clutch shaft, so that the clutch between the gear clutch shaft and the positioning gear is realized.
The invention has the beneficial effects that: a double-ellipse gear pair gearbox structure comprises a main chain wheel pair, a driven chain wheel pair, a chain connected with the main chain wheel pair and the driven chain wheel pair and used for realizing transmission, wherein at least one of the main chain wheel pair and the driven chain wheel pair is a double-ellipse diameter adjusting structure, the double-ellipse diameter adjusting structure comprises a transmission disc fixedly connected with a main shaft, at least three diameter-changing chain wheel pairs which are annularly and uniformly distributed by taking the axis of the transmission disc as a base point are arranged on the transmission disc, each diameter-changing chain wheel pair comprises a gear clutch shaft connected with the transmission disc, an elliptical position-adjusting gear, an elliptical shifting gear, a diameter-changing shaft and an elliptical diameter-changing chain wheel fixedly connected with the shifting gear, the gear clutch shaft is connected with the position-adjusting gear at the center of the position-adjusting gear, the position-adjusting gear is connected with the gear clutch shaft through a first clutch structure, the position-adjusting gear can rotate on the gear clutch shaft, the position-adjusting gear is meshed with the shifting, the diameter-changing shaft is connected with the center of the shifting gear, the positioning gear is close to the axis of the transmission disc, the shifting gear is far away from the axis of the transmission disc, the transmission disc is provided with a diameter-adjusting assembly, the diameter-adjusting assembly comprises a diameter-adjusting wheel coaxial with the transmission disc, the diameter-adjusting wheel is provided with diameter-adjusting teeth, the diameter-adjusting teeth can be meshed with the positioning gear, the diameter-adjusting wheel is connected with the transmission disc through a second clutch structure, the diameter-adjusting wheel can rotate relative to the transmission disc, the positioning gear is driven to rotate, the teeth of the shifting gear located on the outermost side and the axis of the transmission disc are changed, the teeth of the diameter-changing sprocket located on the outermost side and the axis of the transmission disc are changed, the adjustment of the effective outer diameter of the main sprocket pair or the auxiliary sprocket pair is finally realized; only one diameter adjusting tooth is arranged on the diameter adjusting wheel; the diameter adjusting wheel is provided with a diameter adjusting groove, the diameter adjusting groove is internally provided with diameter adjusting teeth, and the diameter adjusting teeth can slide in the diameter adjusting groove, so that the rotating path of the diameter adjusting teeth is intersected with the positioning gear or the rotating path of the positioning gear is separated from the positioning gear; the shape and size of the positioning gear and the shifting gear are the same. Because the positioning gear is meshed with the shifting gear, when the positioning gear rotates, the teeth of the shifting gear positioned on the outermost side approach the axle center of the transmission disc, and similarly, the sprocket teeth of the reducing sprocket positioned on the outermost side approach the axle center of the transmission disc, so that the effective outer diameter of the main sprocket pair or the auxiliary sprocket pair is reduced, thereby realizing the functions of shifting and regulating speed. The diameter adjusting wheel can be connected with an external driver to realize the action of diameter adjustment, and can also be fixed on the case shell of the gearbox, and when the main chain wheel pair or the auxiliary chain wheel pair rotates, the diameter adjusting wheel can also rotate relative to the transmission disc. The diameter-adjusting teeth can well adapt to the position change of the teeth on the oval positioning gear. The invention adopts the structure of connecting the chain wheel and the chain, so the invention can bear large load and can not generate the phenomenon of slipping. The invention is used for shifting and regulating the speed of the automobile.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a schematic view of a hidden reducing sprocket according to an embodiment of the present invention;
FIG. 2 is a schematic view of the enlarged partial structure of FIG. 1;
FIG. 3 is a schematic structural diagram of a reducing sprocket pair according to an embodiment of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The technical characteristics of the invention can be combined interactively on the premise of not conflicting with each other.
Referring to fig. 1 to 3, this is an embodiment of the invention, specifically:
a double-ellipse gear pair gearbox structure comprises a main chain wheel pair, a driven chain wheel pair, a chain 1 connected with the main chain wheel pair and the driven chain wheel pair and used for realizing transmission, wherein at least one of the main chain wheel pair and the driven chain wheel pair is a double-ellipse diameter adjusting structure, the double-ellipse diameter adjusting structure comprises a transmission disc 21 fixedly connected with a main shaft, at least three diameter-changing chain wheel pairs which are annularly and uniformly distributed by taking the axis of the transmission disc 21 as a base point are arranged on the transmission disc 21, each diameter-changing chain wheel pair comprises a gear clutch shaft 22 connected with the transmission disc 21, an elliptical position-adjusting gear 23, an elliptical shifting gear 24, a diameter-changing shaft 25 and an elliptical diameter-changing chain wheel 28 fixedly connected with the shifting gear 24, the gear clutch shaft 22 is connected with the position-adjusting gear 23 at the center of the position-adjusting gear 23, the position-adjusting gear 23 is connected with the gear clutch shaft 22 by a first clutch structure, the position-adjusting gear 23 can, the positioning gear 23 is meshed with the shifting gear 24, the shifting gear 24 can rotate on the reducing shaft 25, the reducing shaft 25 is connected with the center of the shifting gear 24, the positioning gear 23 is close to the axis of the transmission disc 21, the shifting gear 24 is far away from the axis of the transmission disc 21, the transmission disc 21 is provided with a diameter adjusting assembly, the diameter adjusting assembly comprises a diameter adjusting wheel coaxial with the transmission disc 21, the diameter adjusting wheel is provided with diameter adjusting teeth 31, the diameter adjusting teeth 31 can be meshed with the positioning gear 23, the diameter adjusting wheel is connected with the transmission disc 21 through a second clutch structure, the diameter adjusting wheel can rotate relative to the transmission disc 21, so that the positioning gear 23 is driven to rotate, the teeth of the shifting gear 24 located on the outermost side and the axis of the transmission disc 21 are changed, the teeth of the reducing chain wheel 28 located on the outermost side and the axis of the transmission disc 21 are changed, and finally the adjustment of the effective outer diameter of the main chain wheel pair or the auxiliary chain wheel pair is, the reducing chain wheel 28 is connected with the chain 1; only one diameter adjusting tooth 31 is arranged on the diameter adjusting wheel; the diameter adjusting wheel is provided with a diameter adjusting groove, the diameter adjusting tooth 31 is arranged in the diameter adjusting groove, and the diameter adjusting tooth 31 can slide in the diameter adjusting groove, so that the rotating path of the diameter adjusting tooth 31 is intersected with the positioning gear 23 or the rotating path of the positioning gear 23 is separated from the positioning gear 23; the positioning gear 23 and the shift gear 24 have the same shape and size. Because the positioning gear is meshed with the shifting gear, when the positioning gear rotates, the teeth of the shifting gear positioned on the outermost side approach the axle center of the transmission disc, and similarly, the sprocket teeth of the reducing sprocket positioned on the outermost side approach the axle center of the transmission disc, so that the effective outer diameter of the main sprocket pair or the auxiliary sprocket pair is reduced, thereby realizing the functions of shifting and regulating speed. The diameter adjusting wheel can be connected with an external driver to realize the action of diameter adjustment, and can also be fixed on the case shell of the gearbox, and when the main chain wheel pair or the auxiliary chain wheel pair rotates, the diameter adjusting wheel can also rotate relative to the transmission disc. The diameter-adjusting teeth can well adapt to the position change of the teeth on the oval positioning gear. The invention adopts the structure of connecting the chain wheel and the chain, so the invention can bear large load and can not generate the phenomenon of slipping.
The reference circles of the reducing sprocket 28 and the shifting gear 24 are axially coincident, which facilitates calculation and conversion by the speed change control electronics.
The first clutch structure described in this embodiment includes a sliding key 29 and a clutch driver connected to the sliding key 29, and the sliding key 29 can slide on the gear clutch shaft 22, so as to realize the clutch between the gear clutch shaft 22 and the positioning gear 23. The structure is simple and effective, and the reduction of the volume of the gearbox is facilitated.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (3)
1. The utility model provides a two oval gear pair gearbox structure which characterized in that: the chain (1) is connected with the main chain wheel pair and the driven chain wheel pair, at least one of the main chain wheel pair and the driven chain wheel pair is a double-ellipse diameter adjusting structure, the double-ellipse diameter adjusting structure comprises a transmission disc (21) fixedly connected with a main shaft, at least three diameter-changing chain wheel pairs annularly and uniformly distributed by taking the axis of the transmission disc (21) as a base point are arranged on the transmission disc (21), each diameter-changing chain wheel pair comprises a gear clutch shaft (22) connected with the transmission disc (21), an elliptical position adjusting gear (23), an elliptical shifting gear (24), a diameter changing shaft (25) and an elliptical diameter-changing chain wheel (28) fixedly connected with the shifting gear (24), the gear clutch shaft (22) is connected with the position adjusting gear (23) at the center of the position adjusting gear (23), and the position adjusting gear (23) is connected with the gear clutch shaft (22) by a first clutch structure, the positioning gear (23) can rotate on the gear clutch shaft (22), the positioning gear (23) is meshed with the shifting gear (24), the shifting gear (24) can rotate on the reducing shaft (25), the reducing shaft (25) is connected with the center of the shifting gear (24), the positioning gear (23) is close to the axis of the transmission disc (21), the shifting gear (24) is far away from the axis of the transmission disc (21), the transmission disc (21) is provided with a diameter adjusting assembly, the diameter adjusting assembly comprises a diameter adjusting wheel coaxial with the transmission disc (21), the diameter adjusting wheel is provided with diameter adjusting teeth (31), the diameter adjusting teeth (31) can be meshed with the positioning gear (23), the diameter adjusting wheel is connected with the transmission disc (21) through a second clutch structure, the diameter adjusting wheel can rotate relative to the transmission disc (21), so that the positioning gear (23) is driven to rotate, and the teeth of the shifting gear (24) located on the outermost side are enabled to change with the axis of the transmission disc (21), the teeth of the reducing chain wheel (28) positioned on the outermost side and the axle center of the transmission disc (21) are changed, the adjustment of the effective outer diameter of the main chain wheel pair or the auxiliary chain wheel pair is finally realized, and the reducing chain wheel (28) is connected with the chain (1); only one diameter adjusting tooth (31) is arranged on the diameter adjusting wheel; the diameter adjusting wheel is provided with a diameter adjusting groove, the diameter adjusting groove is internally provided with diameter adjusting teeth (31), and the diameter adjusting teeth (31) can slide in the diameter adjusting groove, so that the rotating path of the diameter adjusting teeth (31) is crossed with the positioning gear (23) or the rotating path of the positioning gear (23) is separated from the positioning gear (23); the positioning gear (23) and the shifting gear (24) have the same shape and size.
2. A double elliptic gear pair gearbox assembly according to claim 1 wherein: the reference circles of the reducing chain wheel (28) and the shifting gear (24) are axially overlapped.
3. A double elliptic gear pair gearbox assembly according to claim 2 wherein: the first clutch structure comprises a sliding key (29) and a clutch driver connected with the sliding key (29), wherein the sliding key (29) can slide on the gear clutch shaft (22), so that the gear clutch shaft (22) and the positioning gear (23) are clutched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036744.9A CN107882944B (en) | 2017-10-30 | 2017-10-30 | Double-elliptic gear pair gearbox structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036744.9A CN107882944B (en) | 2017-10-30 | 2017-10-30 | Double-elliptic gear pair gearbox structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107882944A CN107882944A (en) | 2018-04-06 |
| CN107882944B true CN107882944B (en) | 2020-05-08 |
Family
ID=61782963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711036744.9A Active CN107882944B (en) | 2017-10-30 | 2017-10-30 | Double-elliptic gear pair gearbox structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882944B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443470A (en) * | 2018-05-09 | 2018-08-24 | 安徽工程大学 | A kind of achievable constant velocity motion mechanism and Inverse seeking design method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487179A (en) * | 2002-10-03 | 2004-04-07 | 贡晓群 | Novel transmission wheel for reciprocating crank and link rod motion |
| DE102005062892B3 (en) * | 2005-12-29 | 2007-06-14 | Greve, Günther | Rotary piston engine for use as e.g. internal combustion engine, has two symmetrically arranged elliptical control teeth gears and elliptical main tooth wheels that are encased by tooth belt, toothed chain and chains |
| DE102007034063A1 (en) * | 2007-07-20 | 2009-01-22 | Schaeffler Kg | Drive with planetary gears including power inlet and outlet elements which can be rotated relative to the housing useful for infinitely variable transmissions provides increased transmission variability |
| CN102792814A (en) * | 2012-09-05 | 2012-11-28 | 浙江理工大学 | High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system |
| RU133501U1 (en) * | 2010-03-24 | 2013-10-20 | Валерий Михайлович Сюткин | VELOMULTIPLICATOR WITH VARIABLE TORQUE |
| US9533707B1 (en) * | 2015-02-25 | 2017-01-03 | Thomas Longtin | Steering system and methods for determining gear dimensions |
-
2017
- 2017-10-30 CN CN201711036744.9A patent/CN107882944B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487179A (en) * | 2002-10-03 | 2004-04-07 | 贡晓群 | Novel transmission wheel for reciprocating crank and link rod motion |
| DE102005062892B3 (en) * | 2005-12-29 | 2007-06-14 | Greve, Günther | Rotary piston engine for use as e.g. internal combustion engine, has two symmetrically arranged elliptical control teeth gears and elliptical main tooth wheels that are encased by tooth belt, toothed chain and chains |
| DE102007034063A1 (en) * | 2007-07-20 | 2009-01-22 | Schaeffler Kg | Drive with planetary gears including power inlet and outlet elements which can be rotated relative to the housing useful for infinitely variable transmissions provides increased transmission variability |
| RU133501U1 (en) * | 2010-03-24 | 2013-10-20 | Валерий Михайлович Сюткин | VELOMULTIPLICATOR WITH VARIABLE TORQUE |
| CN102792814A (en) * | 2012-09-05 | 2012-11-28 | 浙江理工大学 | High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system |
| US9533707B1 (en) * | 2015-02-25 | 2017-01-03 | Thomas Longtin | Steering system and methods for determining gear dimensions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107882944A (en) | 2018-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205859091U (en) | Mechanical hydraulic compound drive gearbox | |
| CN106763565A (en) | It is suitable to the three gear planet speed change mechanisms that electric vehicle is used | |
| US10677337B2 (en) | Continuously variable transmission | |
| US20190383376A1 (en) | Continuously variable transmission | |
| CN107882944B (en) | Double-elliptic gear pair gearbox structure | |
| CN103939538A (en) | Tractor gearbox | |
| CN202641358U (en) | Parallel hybrid power transmission system utilizing synchronous belt coupling power | |
| CN111038244A (en) | Hybrid power system and vehicle | |
| CN202674221U (en) | Six-gear planetary type hydrodynamic drive device | |
| CN108662096A (en) | Infinitely variable speed device | |
| WO2022257188A1 (en) | Tractor transmission | |
| CN203847640U (en) | Gearbox of tractor | |
| CN203809637U (en) | Speed reduction device with torsion induction differential planetary gear trains | |
| CN205136505U (en) | Three keep off stepcchange gearbox | |
| CN208605572U (en) | Infinitely variable speed device | |
| CN102691759A (en) | Tractor differential planetary speed-regulating mechanism allowing for infinitely variable speeds | |
| CN210126429U (en) | Series-parallel hybrid power system based on two gearboxes | |
| CN205806342U (en) | A kind of automatic transmission for electric automobile and automobile | |
| CN105221692A (en) | A kind of without clutch stepless speed changer | |
| CN111439117A (en) | Coaxial two-gear planetary row electric drive axle for automobile | |
| CN206439352U (en) | The double dynamical pure electric gear shift(ing) of input | |
| CN207740403U (en) | Vehicular multifunctional gearbox | |
| CN201419646Y (en) | Confluence differential infinitely variable driving gear | |
| CN104728381A (en) | Transmission and vehicle with same | |
| CN204533387U (en) | A kind of speed changer having reverse gear function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200407 Address after: 325000 Room 606, building 6, qianwangxin village, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Ping Qinglu Address before: 528247 Guangdong Province, Foshan City Nanhai District Dali Town Yanbu red sand North No. 113 Applicant before: Huang Lixian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |