CN205499189U - Electric unicycle - Google Patents
Electric unicycle Download PDFInfo
- Publication number
- CN205499189U CN205499189U CN201620092690.2U CN201620092690U CN205499189U CN 205499189 U CN205499189 U CN 205499189U CN 201620092690 U CN201620092690 U CN 201620092690U CN 205499189 U CN205499189 U CN 205499189U
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- waterproof cover
- protuberance
- bearing inner
- circular hole
- ring
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Abstract
The utility model provides an electric unicycle which seal installation has respectively goes up waterproof cover and waterproof cover down at wheel frame upside and downside, installs the motor in the airtight space of wheel frame waterproof cover and lower waterproof cover formation on, has saved installation space, on waterproof cover and last waterproof cover are installed under respectively to first bearing and second bearing, go up the waterproof cover and play the effect that the countershaft supported with waterproof cover down, lightened the weight that the wheel bore, first connection piece and first sealing washer have played effect sealed between a bearing inner race and the bearing inner race, and second connection piece and second sealing washer have played effect sealed between the 2nd bearing inner race and the 2nd bearing inner race, have avoided water to follow between a bearing inner race and the bearing inner race and have entered into the phenomenon in the motor between the 2nd bearing inner race and the 2nd bearing inner race, installing the lower extreme of wheel frame in first recess, installing the upper end of wheel frame in the second recess, the wheel frame plays respectively waterproof cover and the spacing effect of last waterproof cover down.
Description
Technical field
This utility model relates to a kind of electric unicycle.
Background technology
Electric unicycle mainly includes the motor that roller and driving rolls rotate, but, existing electric unicycle is all to be provided separately with wheel by motor, is taken up space relatively big, and motor is easily intake, poor sealing performance, installs insecure, and service life is low.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of electric unicycle, its good sealing effect, firmly installs and service life is long.
This utility model is realized in, a kind of electric unicycle, it is built in the motor in described wheel including a wheel and one, described motor includes stator and is rotatably mounted to the rotor of described stator periphery, described stator includes a rotating shaft, cylindrical stator iron core and a winding, described stator core is outward extended with some teeth, each described tooth is arranged ringwise, described winding is wound into the periphery of described tooth, described stator core axially offers an installing hole running through described stator core, and described rotor turning set is located at the surrounding of each described tooth；
Described wheel includes the cylinder vehicle wheel frame of a hollow, described vehicle wheel frame is sheathed on described rotor outer periphery, described vehicle wheel frame is fixing with described rotor to be connected, described vehicle wheel frame periphery wall is installed with a ring-type boss, a tire it is coated with on described boss, described vehicle wheel frame lower side seals connects waterproof cover, described lower waterproof cover axially offers a first step hole, described first step hole includes the first circular hole and the second circular hole arranged from top to bottom, and the internal diameter of described first circular hole is more than the internal diameter of described second circular hole；
It is provided with a clutch shaft bearing in described first circular hole, described clutch shaft bearing includes clutch shaft bearing outer ring, clutch shaft bearing inner ring and is arranged on bearing outer ring described in described first and the first ball between described clutch shaft bearing inner ring, clutch shaft bearing outer ring and described first circular hole tight fit, the a connecting piece laying respectively at described first ball the upper side and lower side it is provided with, a connecting piece described in two and be respectively equipped with one first sealing ring between described clutch shaft bearing inner ring between described clutch shaft bearing outer ring and described clutch shaft bearing inner ring；
Described lower waterproof cover top surface edge position has upwardly extended ring-type first protuberance and ring-type second protuberance respectively with the axle center of described lower waterproof cover for the center of circle, the internal diameter of described first protuberance is more than the internal diameter of described second protuberance, one first groove is formed between described first protuberance and described second protuberance, described first protuberance abuts with described tire downside, and described vehicle wheel frame lower end is slidedly arranged in described first groove；
Being bolted with waterproof cover on the upside of described vehicle wheel frame, described upper waterproof cover axially offers a second step hole, and described second step hole includes the 3rd circular hole and the 4th circular hole arranged from top to bottom, and the internal diameter of described 3rd circular hole is less than the internal diameter of described 4th circular hole；
It is provided with one second bearing in described 4th circular hole, described second bearing includes the second bearing outer ring, the second bearing inner race and is arranged on bearing outer ring described in described second and the second ball between described second bearing inner race, second bearing outer ring and described 4th circular hole tight fit, being provided with one between described second bearing outer ring with described second bearing inner race to lay respectively at the second of described second ball the upper side and lower side and be connected sheet, described in two, second connects and is respectively equipped with one second sealing ring between sheet and described second bearing inner race；
Described upper waterproof cover lower surface edge position is extended with ring-type 3rd protuberance and ring-type 4th protuberance separately down with the axle center of described upper waterproof cover for the center of circle, the internal diameter of described 3rd protuberance is more than the internal diameter of described 4th protuberance, one second groove is formed between described 3rd protuberance and described 4th protuberance, described 3rd protuberance abuts with described tire upper side, and described vehicle wheel frame upper end is slidedly arranged in described second groove；
Described rotating shaft sequentially passes through described 3rd circular hole, described second bearing inner race, described installing hole, described clutch shaft bearing inner ring and the second circular hole, the external diameter of described rotating shaft is respectively smaller than described 3rd circular hole and the internal diameter of described second circular hole, described rotating shaft respectively with described clutch shaft bearing inner ring and described second bearing inner race matched in clearance, described rotating shaft and described installing hole tight fit, described rotating shaft two ends protrude from described upper waterproof cover and the outside of lower waterproof cover respectively and are provided with a pedal；
Described wheel is arranged above a supporter, described supporter is built-in with power supply and the control system electrically connected with power supply, described winding is electrically connected with described power supply by a power line, the both sides of described supporter are extended with the support arm being installed on described rotating shaft two ends separately down, wherein offer on support arm described in and are available for the through wires hole that described power line passes.
Further, described rotating shaft centre position axially offers first wire guide not run through, described rotating shaft radially offers the second wire guide laying respectively at the first wire guide two ends and a privates hole, described second wire guide connects with the first wire guide respectively with described privates hole, described second wire guide is positioned at the outside of described upper waterproof cover, and described privates hole is positioned at inside described stator core.
Specifically, described second wire guide connects with described through wires hole.
Further, the downside of described tire offers a ring-type first step, described first protuberance is located at described first step and abuts with described tire downside, the upper side of described tire offers a ring-type second step, and described 3rd protuberance is located at described second step and abuts with described tire upper side.
The electric unicycle that this utility model provides, it is waterproof cover and lower waterproof cover on vehicle wheel frame the upper side and lower side is sealed and installed with respectively, motor is arranged in the confined space that vehicle wheel frame, upper waterproof cover and lower waterproof cover are formed, save installing space, it is also prevented from dust simultaneously and water enters motor, extend the service life of motor；A rotating shaft it is provided with in the installing hole of stator, one end of rotating shaft rotates in the clutch shaft bearing inner ring being located at clutch shaft bearing, the other end of rotating shaft rotates in the second bearing inner race being located at the second bearing, owing to clutch shaft bearing and the second bearing are separately mounted on lower waterproof cover and upper waterproof cover, therefore, upper waterproof cover and lower waterproof cover play the effect that countershaft supports, and alleviate the weight that wheel bears；The a connecting piece laying respectively at first ball the upper side and lower side it is provided with between clutch shaft bearing outer ring and clutch shaft bearing inner ring, it is respectively equipped with the first sealing ring between two a connecting piece and clutch shaft bearing inner ring, a connecting piece and the first sealing ring serve the effect sealed between clutch shaft bearing outer ring and clutch shaft bearing inner ring, the the second connection sheet laying respectively at second ball the upper side and lower side it is provided with between the second bearing outer ring and the second bearing inner race, it is respectively equipped with the second sealing ring between two second connection sheets and the second bearing inner race, second connection sheet and the second sealing ring serve the effect sealed between the second bearing outer ring and the second bearing inner race, avoid water from the phenomenon entering in motor between clutch shaft bearing outer ring and clutch shaft bearing inner ring and between the second bearing outer ring and the second bearing inner race, extend the service life of motor further；The lower end of vehicle wheel frame is installed in the first groove, the upper end of vehicle wheel frame is installed in the second groove, vehicle wheel frame can be made to each serve as the effect spacing to lower waterproof cover and upper waterproof cover, avoid waterproof cover and phenomenon that lower waterproof cover moves horizontally on vehicle wheel frame, it is simple to lower waterproof cover and upper waterproof cover are installed on vehicle wheel frame rapidly.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical solution of the utility model, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of the electric unicycle that this utility model provides.
Fig. 2 is wheel and the decomposing schematic representation of motor in the electric unicycle that this utility model provides.
Fig. 3 is the schematic diagram of stator in the electric unicycle that this utility model provides.
Fig. 4 is the schematic diagram of clutch shaft bearing in the electric unicycle that this utility model provides.
Fig. 5 is the side schematic view of clutch shaft bearing in the electric unicycle that this utility model provides.
Fig. 6 is the schematic internal view of clutch shaft bearing in the electric unicycle that this utility model provides.
Fig. 7 is the schematic diagram of the second bearing in the electric unicycle that this utility model provides.
Fig. 8 is the side schematic view of the second bearing in the electric unicycle that this utility model provides.
Fig. 9 is the schematic internal view of the second bearing in the electric unicycle that this utility model provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described.
As shown in Fig. 1 ~ Fig. 3, a kind of electric unicycle that this utility model embodiment provides, including wheel 1 and the motor 2 being built in wheel 1, motor 2 includes stator 21 and is rotatably mounted to the rotor 22 of stator 21 periphery, stator 21 includes a rotating shaft 211, one cylindrical stator iron core 212 and winding 213, stator core 212 is outward extended with some teeth 214, each tooth 214 is arranged ringwise, winding 213 is wound into the periphery of tooth 214, stator core 212 axially offers an installing hole 215 running through stator core 212, rotor 22 turning set is located at the surrounding of each tooth 214；
Described wheel 1 includes the cylinder vehicle wheel frame 11 of a hollow, vehicle wheel frame 11 is sheathed on rotor 22 periphery, vehicle wheel frame 11 is fixing with rotor 22 to be connected, vehicle wheel frame 11 periphery wall is installed with a ring-type boss 12, a tire 13 it is coated with on boss 12, vehicle wheel frame 11 lower side seals connects waterproof cover 14, lower waterproof cover 14 axially offers a first step hole, first step hole includes the first circular hole 141 and the second circular hole 142 arranged from top to bottom, and the internal diameter of the first circular hole 141 is more than the internal diameter of the second circular hole 142；
Shown in Fig. 4 ~ Fig. 6, it is provided with a clutch shaft bearing 15 in described first circular hole 141, clutch shaft bearing 15 includes clutch shaft bearing outer ring 151, clutch shaft bearing inner ring 152 and the first ball 153 being arranged between clutch shaft bearing outer ring 151 and clutch shaft bearing inner ring 152, clutch shaft bearing outer ring 151 and the first circular hole 141 tight fit, it is provided with a connecting piece 154 laying respectively at first ball 153 the upper side and lower side between clutch shaft bearing outer ring 151 and clutch shaft bearing inner ring 152, between two a connecting piece 154 and clutch shaft bearing inner ring 152, is respectively equipped with one first sealing ring 155；
The axle center of the following waterproof cover in described lower waterproof cover 14 top surface edge position 14 is that the center of circle has upwardly extended ring-type first protuberance 143 and ring-type second protuberance 144 respectively, the internal diameter of the first protuberance 143 is more than the internal diameter of the second protuberance 144, one first groove 145 is formed between first protuberance 143 and the second protuberance 144, first protuberance 143 abuts with tire 13 downside, and vehicle wheel frame 11 lower end is slidedly arranged in the first groove 145；
As shown in Figure 2, it is bolted with waterproof cover 16 on the upside of described vehicle wheel frame 11, upper waterproof cover 16 axially offers a second step hole, and second step hole includes the 3rd circular hole 161 and the 4th circular hole 162 arranged from top to bottom, and the internal diameter of the 3rd circular hole 161 is less than the internal diameter of the 4th circular hole 162；
As shown in Fig. 7 ~ Fig. 9, it is provided with one second bearing 17 in described 4th circular hole 162, second bearing 17 includes second bearing outer ring the 171, second bearing inner race 172 and is arranged on the second ball 173 between the second bearing outer ring 171 and the second bearing inner race 172, second bearing outer ring 171 and the 4th circular hole 162 tight fit, being provided with one between second bearing outer ring 171 with the second bearing inner race 172 to lay respectively at the second of second ball 173 the upper side and lower side and be connected sheet 174, two second connect and are respectively equipped with one second sealing ring 175 between sheets 174 and the second bearing inner race 172；
The axle center of the above waterproof cover in described upper waterproof cover 16 lower surface edge position 16 is that the center of circle is extended with ring-type 3rd protuberance 163 and ring-type 4th protuberance 164 separately down, the internal diameter of the 3rd protuberance 163 is more than the internal diameter of the 4th protuberance 164, one second groove 165 is formed between 3rd protuberance 163 and the 4th protuberance 164,3rd protuberance 163 abuts with tire 13 upper side, and vehicle wheel frame 11 upper end is slidedly arranged in the second groove 165；
As depicted in figs. 1 and 2, described rotating shaft 211 sequentially passes through the 3rd circular hole the 161, second bearing inner race 172, installing hole 215, clutch shaft bearing inner ring 152 and the second circular hole 142, the external diameter of rotating shaft 211 is respectively smaller than the 3rd circular hole 161 and the internal diameter of the second circular hole 142, rotating shaft 211 respectively with clutch shaft bearing inner ring 152 and the second bearing inner race 172 matched in clearance, rotating shaft 211 and installing hole 215 tight fit, rotating shaft 211 two ends protrude from waterproof cover 16 and the outside of lower waterproof cover 14 respectively and are provided with a pedal 3；
Described wheel 1 is arranged above a supporter 4, supporter 4 is built-in with power supply 5 and the control system (not shown) electrically connected with power supply 5, winding 213 is electrically connected with power supply 5 by a power line (not shown), the both sides of supporter 4 are extended with the support arm 6 being installed on rotating shaft 211 two ends separately down, wherein offer on a support arm 6 and are available for the through wires hole (not shown) that power line passes.
In the present embodiment, respectively lower waterproof cover 14 and upper waterproof cover 16 are arranged on vehicle wheel frame 11 by multiple screw (not shown).
As shown in Figure 2, further, described rotating shaft 211 centre position axially offers first wire guide 2111 not run through, rotating shaft 211 radially offers the second wire guide 2112 laying respectively at the first wire guide 2111 two ends and a privates hole 2113, second wire guide 2112 connects with the first wire guide 2111 respectively with privates hole 2113, second wire guide 2112 is positioned at the outside of waterproof cover 16, it is internal that privates hole 2113 is positioned at stator core 212, power line can be located in the space of sealing by this kind of design, water and dust is avoided to enter in motor 2 at the gap of power line and motor 2, extend the service life of motor 2.
Specifically, described second wire guide 2112 connects with through wires hole, can make to seal between the second wire guide 2112 and through wires hole, it is to avoid water and dust enter in motor 2 between the second wire guide 2112 and through wires hole.
Specifically, the downside of described tire 13 offers a ring-type first step 131, first protuberance 143 is located at first step 131 and abuts with tire 13 downside, the upper side of tire 13 offers a ring-type second step 132,3rd protuberance 163 is located at second step 132 and abuts with tire 13 upper side, by the first protuberance 143 and the 3rd protuberance 163, tire 13 both sides are abutted, tire 13 can be made firmly to be coated on boss 12, it is to avoid the phenomenon that tire 13 comes off from boss 12.
The electric unicycle that this utility model provides, it is separately installed with waterproof cover 16 and lower waterproof cover 14 in vehicle wheel frame 11 the upper side and lower side, motor 2 is arranged in the confined space that vehicle wheel frame 11, upper waterproof cover 16 and lower waterproof cover 14 are formed, save installing space, it is also prevented from dust simultaneously and water enters motor 2, extend the service life of motor 2；A rotating shaft 211 it is provided with in the installing hole 215 of stator 21, one end of rotating shaft 211 rotates in the clutch shaft bearing inner ring 152 being located at clutch shaft bearing 15, the other end of rotating shaft 211 rotates in the second bearing inner race 172 being located at the second bearing 17, owing to clutch shaft bearing 15 and the second bearing 17 are separately mounted on lower waterproof cover 14 and upper waterproof cover 16, therefore, upper waterproof cover 16 and lower waterproof cover 14 play the effect that countershaft 211 supports, and alleviate the weight that wheel 1 bears；nullThe a connecting piece 154 laying respectively at first ball 153 the upper side and lower side it is provided with between clutch shaft bearing outer ring 151 and clutch shaft bearing inner ring 152，The first sealing ring 155 it is respectively equipped with between two a connecting piece 154 and clutch shaft bearing inner ring 152，A connecting piece 154 and the first sealing ring 155 serve the effect sealed between clutch shaft bearing outer ring 151 and clutch shaft bearing inner ring 152，The the second connection sheet 174 laying respectively at second ball 173 the upper side and lower side it is provided with between the second bearing outer ring 171 and the second bearing inner race 172，It is respectively equipped with the second sealing ring 175 between two second connection sheets 174 and the second bearing inner race 172，Second connection sheet 174 and the second sealing ring 175 serve the effect sealed between the second bearing outer ring 171 and the second bearing inner race 172，Avoid water and enter into the phenomenon in motor 2 between clutch shaft bearing outer ring 151 and clutch shaft bearing inner ring 152 and between the second bearing outer ring 171 and the second bearing inner race 172，Extend the service life of motor 2 further；The lower end of vehicle wheel frame 11 is installed in the first groove 145, the upper end of vehicle wheel frame 11 is installed in the second groove 165, vehicle wheel frame 11 can be made to each serve as the effect spacing to lower waterproof cover 14 and upper waterproof cover 16, avoid waterproof cover 16 and phenomenon that lower waterproof cover 14 moves horizontally on vehicle wheel frame 11, it is simple to lower waterproof cover 14 and upper waterproof cover 16 are installed on vehicle wheel frame 11 rapidly.
The above is preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (4)
1. an electric unicycle, it is characterized in that, it is built in the motor in described wheel including a wheel and one, described motor includes stator and is rotatably mounted to the rotor of described stator periphery, described stator includes a rotating shaft, cylindrical stator iron core and a winding, described stator core is outward extended with some teeth, each described tooth is arranged ringwise, described winding is wound into the periphery of described tooth, described stator core axially offers an installing hole running through described stator core, and described rotor turning set is located at the surrounding of each described tooth；
Described wheel includes the cylinder vehicle wheel frame of a hollow, described vehicle wheel frame is sheathed on described rotor outer periphery, described vehicle wheel frame is fixing with described rotor to be connected, described vehicle wheel frame periphery wall is installed with a ring-type boss, a tire it is coated with on described boss, described vehicle wheel frame lower side seals connects waterproof cover, described lower waterproof cover axially offers a first step hole, described first step hole includes the first circular hole and the second circular hole arranged from top to bottom, and the internal diameter of described first circular hole is more than the internal diameter of described second circular hole；
It is provided with a clutch shaft bearing in described first circular hole, described clutch shaft bearing includes clutch shaft bearing outer ring, clutch shaft bearing inner ring and is arranged on bearing outer ring described in described first and the first ball between described clutch shaft bearing inner ring, clutch shaft bearing outer ring and described first circular hole tight fit, the a connecting piece laying respectively at described first ball the upper side and lower side it is provided with, a connecting piece described in two and be respectively equipped with one first sealing ring between described clutch shaft bearing inner ring between described clutch shaft bearing outer ring and described clutch shaft bearing inner ring；
Described lower waterproof cover top surface edge position has upwardly extended ring-type first protuberance and ring-type second protuberance respectively with the axle center of described lower waterproof cover for the center of circle, the internal diameter of described first protuberance is more than the internal diameter of described second protuberance, one first groove is formed between described first protuberance and described second protuberance, described first protuberance abuts with described tire downside, and described vehicle wheel frame lower end is slidedly arranged in described first groove；
Being bolted with waterproof cover on the upside of described vehicle wheel frame, described upper waterproof cover axially offers a second step hole, and described second step hole includes the 3rd circular hole and the 4th circular hole arranged from top to bottom, and the internal diameter of described 3rd circular hole is less than the internal diameter of described 4th circular hole；
It is provided with one second bearing in described 4th circular hole, described second bearing includes the second bearing outer ring, the second bearing inner race and is arranged on bearing outer ring described in described second and the second ball between described second bearing inner race, second bearing outer ring and described 4th circular hole tight fit, being provided with one between described second bearing outer ring with described second bearing inner race to lay respectively at the second of described second ball the upper side and lower side and be connected sheet, described in two, second connects and is respectively equipped with one second sealing ring between sheet and described second bearing inner race；
Described upper waterproof cover lower surface edge position is extended with ring-type 3rd protuberance and ring-type 4th protuberance separately down with the axle center of described upper waterproof cover for the center of circle, the internal diameter of described 3rd protuberance is more than the internal diameter of described 4th protuberance, one second groove is formed between described 3rd protuberance and described 4th protuberance, described 3rd protuberance abuts with described tire upper side, and described vehicle wheel frame upper end is slidedly arranged in described second groove；
Described rotating shaft sequentially passes through described 3rd circular hole, described second bearing inner race, described installing hole, described clutch shaft bearing inner ring and the second circular hole, the external diameter of described rotating shaft is respectively smaller than described 3rd circular hole and the internal diameter of described second circular hole, described rotating shaft respectively with described clutch shaft bearing inner ring and described second bearing inner race matched in clearance, described rotating shaft and described installing hole tight fit, described rotating shaft two ends protrude from described upper waterproof cover and the outside of lower waterproof cover respectively and are provided with a pedal；
Described wheel is arranged above a supporter, described supporter is built-in with power supply and the control system electrically connected with power supply, described winding is electrically connected with described power supply by a power line, the both sides of described supporter are extended with the support arm being installed on described rotating shaft two ends separately down, wherein offer on support arm described in and are available for the through wires hole that described power line passes.
Electric unicycle the most according to claim 1, it is characterized in that, described rotating shaft centre position axially offers first wire guide not run through, described rotating shaft radially offers the second wire guide laying respectively at the first wire guide two ends and a privates hole, described second wire guide connects with the first wire guide respectively with described privates hole, described second wire guide is positioned at the outside of described upper waterproof cover, and described privates hole is positioned at inside described stator core.
Electric unicycle the most according to claim 2, it is characterised in that described second wire guide connects with described through wires hole.
Electric unicycle the most according to claim 1, it is characterized in that, the downside of described tire offers a ring-type first step, described first protuberance is located at described first step and abuts with described tire downside, the upper side of described tire offers a ring-type second step, and described 3rd protuberance is located at described second step and abuts with described tire upper side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092690.2U CN205499189U (en) | 2016-01-31 | 2016-01-31 | Electric unicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092690.2U CN205499189U (en) | 2016-01-31 | 2016-01-31 | Electric unicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205499189U true CN205499189U (en) | 2016-08-24 |
Family
ID=56723746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620092690.2U Active CN205499189U (en) | 2016-01-31 | 2016-01-31 | Electric unicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205499189U (en) |
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2016
- 2016-01-31 CN CN201620092690.2U patent/CN205499189U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |