CN215122296U - Forage reducing mechanism - Google Patents
Forage reducing mechanism Download PDFInfo
- Publication number
- CN215122296U CN215122296U CN202121052583.4U CN202121052583U CN215122296U CN 215122296 U CN215122296 U CN 215122296U CN 202121052583 U CN202121052583 U CN 202121052583U CN 215122296 U CN215122296 U CN 215122296U
- Authority
- CN
- China
- Prior art keywords
- bin body
- arc
- cutting
- shaped
- plates
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Threshing Machine Elements (AREA)
Abstract
The utility model discloses a forage reducing mechanism relates to feed processing equipment technical field, and the main objective provides a device of forage is smashed to high efficiency. The utility model discloses a main technical scheme does: forage reducing mechanism includes: the lower end of the first bin body is provided with an arc-shaped groove, a plurality of first partition plates are sequentially and axially arranged in the arc-shaped groove, the second bin body is cylindrical, the second bin body is axially communicated with the arc-shaped groove, and a plurality of second partition plates are circumferentially arranged on the inner side surface of the second bin body in the axial direction; the driving shaft is sequentially superposed on the central axis of the arc-shaped groove and the central axis of the second bin body, the plurality of cutting knife bodies are sequentially and spirally arranged on the shaft side of the driving shaft, the thread-shaped rods are sequentially connected to the plurality of cutting knife bodies, each cutting knife body corresponds to a space between two adjacent first partition plates, and the plurality of pushing plates and the plurality of cutting plate groups are alternately and circumferentially arranged on the shaft side of the driving shaft.
Description
Technical Field
The utility model relates to a feed processing equipment technical field especially relates to a forage reducing mechanism.
Background
Chicken, the duck, the goose, generally all need add high fibre plants such as forage grass vegetables in the animal feed such as pig, so that the nutrition of fodder is more balanced, guarantee that the intestines and stomach of animal are healthy, current forage cutting machine generally uses simple cross blade to cut, when the thinner forage of needs, can only improve the blade rotational speed simply and increase when cutting, the thick forage of fibre can make the loss of blade accelerate, and to simple cross blade, cutting efficiency is also low, and be difficult to guarantee the degree of consistency of forage, bring the influence to the granulation of the fodder in later stage.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a forage reducing mechanism, the main objective provides a device of forage is smashed to high efficiency.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the utility model provides a forage reducing mechanism, the device includes: a bin body part and a cutting part;
the bin body part comprises a first bin body and a second bin body, a feed inlet is formed in the upper end of the first bin body, an arc-shaped groove is formed in the lower end of the first bin body, a plurality of first partition plates are sequentially and axially arranged in the arc-shaped groove, the second bin body is cylindrical, the second bin body is axially communicated with the arc-shaped groove, a tangential outlet is formed in the lower portion of the second bin body, and a plurality of second partition plates are circumferentially arranged on the inner side face of the second bin body in the axial direction;
the cutting part comprises a driving shaft, a first cutting mechanism and a second cutting mechanism, the driving shaft is sequentially superposed on the central axis of the arc-shaped groove and the central axis of the second bin body, the first cutting mechanism comprises a thread-shaped rod and a plurality of cutting knife bodies, the plurality of cutting knife bodies are sequentially and spirally arranged on the axial side of the driving shaft, the thread-shaped rod is sequentially connected with the plurality of cutting knife bodies, each cutting knife body corresponds to a space between two adjacent first partition plates, the second cutting mechanism comprises a plurality of pushing plates and a plurality of cutting plate groups, the pushing plates and the cutting plate groups are alternately and circumferentially arranged on the axial side of the driving shaft, and the pushing plates, the cutting plate groups and the tangential outlet are coplanar.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Optionally, the bin further comprises an arc-shaped mesh body, the arc-shaped mesh body is mounted on the inner side surface of the second bin body, and the arc-shaped mesh body corresponds to the tangential outlet.
Optionally, the extending direction of each first partition plate is inclined relative to the axial direction of the arc-shaped groove.
Optionally, each cutting plate group comprises a plurality of cutting plates, and the arrangement direction of the plurality of cutting plates is parallel to the extending direction of the second separator.
Optionally, each cutting plate group further comprises a bracket, the bracket is fixedly connected to the shaft side of the driving shaft, and the plurality of cutting plates are respectively and rotatably connected to the bracket.
Optionally, the bin further comprises an arc-shaped cover body, an opening is formed in the upper end of the second bin body, and the arc-shaped cover body covers the opening.
Optionally, the axially opposite end surfaces of the second bin body are respectively provided with an arc-shaped slide rail, and the arc-shaped mesh body is slidably connected to the arc-shaped slide rails.
Optionally, the second cabin body further comprises a driving motor, one end of the driving shaft penetrating through the second cabin body is a first end, the first end is fixedly connected to a driven wheel, an output shaft of the driving motor is fixedly connected to a driving wheel, and the driving wheel is in transmission connection with the driven wheel.
Borrow by above-mentioned technical scheme, the utility model discloses at least, have following advantage:
when forage straws need to be crushed, the driving shaft is started to rotate, a worker puts the forage straws into the first bin body from the feeding hole, and after the forage straws fall to the arc-shaped groove area, the driving shaft drives the plurality of cutting cutter bodies and the thread-shaped rod to rotate so as to drive the forage straws to be wound to the shaft side of the driving shaft; simultaneously, screw thread shape pole is rotatory along with the drive shaft, plays the effect that stirs cage mechanism and carry to the forage straw that blocks at first step to make the forage straw that blocks at first step along the axial motion of arc wall, the internal transfer of forage straw to the second storehouse that will block at first step.
In the second storehouse, the drive shaft drives a plurality of pushing plates and a plurality of cutting plate groups to rotate. After the forage straws which are initially cut off enter the second bin body, the forage straws are held between the two adjacent pushing plates, and the plurality of pushing plates drive the forage straws to do circular motion. In the process of circular motion of the forage straws, each cutting plate group sequentially skims over the second partition plate to further shear the forage straws so as to further crush the forage straws.
Finally, the forage straws with the grinding fineness meeting the requirement are thrown out of the second bin body through the tangential outlet under the action of centrifugal force, so that the forage straws are convenient for livestock to eat.
Drawings
Fig. 1 is a top view of a grass smashing device according to an embodiment of the present invention;
fig. 2 is a side sectional view of a grass smashing device according to an embodiment of the present invention;
fig. 3 is a first perspective view of a grass smashing device according to an embodiment of the present invention;
fig. 4 is a second perspective view of the grass smashing device according to the embodiment of the present invention;
fig. 5 is an axial sectional view of a grass smashing device according to an embodiment of the present invention (an opened state of the arc cover);
fig. 6 is an axial sectional view of a grass smashing device according to an embodiment of the present invention (an arc-shaped cover body is closed);
FIG. 7 is a perspective view of an arc-shaped mesh body;
fig. 8 is a perspective view of a cutting portion according to an embodiment of the present invention.
Reference numerals in the drawings of the specification include: the first bin body 1, the second bin body 2, the feed inlet 3, the arc-shaped groove 4, the first partition plate 5, the second partition plate 6, the drive shaft 7, the thread-shaped rod 8, the cutting knife body 9, the pushing plate 10, the tangential outlet 11, the arc-shaped through hole 12, the arc-shaped netted body 13, the cutting plate 14, the support 15, the fixed shaft 16, the arc-shaped cover body 17, the handle 18, the arc-shaped slide rail 19, the driving motor 20, the driven wheel 21, the driving wheel 22 and the square through hole 23.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 8, an embodiment of the present invention provides a forage reducing mechanism, which includes: a bin body part and a cutting part;
the bin body part comprises a first bin body 1 and a second bin body 2, a feed inlet 3 is formed in the upper end of the first bin body 1, an arc-shaped groove 4 is formed in the lower end of the first bin body 1, a plurality of first partition plates 5 are sequentially and axially arranged in the arc-shaped groove 4, the second bin body 2 is cylindrical, the second bin body 2 is axially communicated with the arc-shaped groove 4, a tangential outlet 11 is formed in the lower part of the second bin body 2, and a plurality of second partition plates 6 are circumferentially distributed on the axial inner side surface of the second bin body 2;
the cutting part comprises a driving shaft 7, a first cutting mechanism and a second cutting mechanism, the driving shaft 7 is sequentially overlapped on the central axis of the arc-shaped groove 4 and the central axis of the second bin body 2, the first cutting mechanism comprises a thread-shaped rod 8 and a plurality of cutting knife bodies 9, the plurality of cutting knife bodies 9 are sequentially and spirally arranged on the axial side of the driving shaft 7, the thread-shaped rod 8 is sequentially connected with the plurality of cutting knife bodies 9, each cutting knife body 9 corresponds to a space between two adjacent first partition plates 5, the second cutting mechanism comprises a plurality of pushing plates 10 and a plurality of cutting plates 14, the pushing plates 10 and the cutting plates 14 are alternately and circumferentially arranged on the axial side of the driving shaft 7, and the pushing plates 10, the cutting plates 14 and the tangential outlet 11 are coplanar.
The working process of the forage smashing device is as follows:
when forage straws need to be crushed, the driving shaft 7 is started to rotate, a worker puts the forage straws into the first bin body 1 from the feeding hole 3, and after the forage straws fall to the arc-shaped groove 4 area, the forage straws are driven to wind to the shaft side of the driving shaft 7 due to the fact that the driving shaft 7 drives the plurality of cutting knife bodies 9 and the thread-shaped rod 8 to rotate, and when each cutting knife body 9 drives the forage straws to sweep through the space between two adjacent first partition plates 5, the forage straws are primarily cut off by the shearing force of the cutting knife bodies 9 and the two adjacent partition plates; simultaneously, screw thread shape pole 8 is rotatory along with drive shaft 7, plays the effect that stirs cage mechanism and carry to the forage straw that preliminary blocks to make the forage straw that preliminary blocks along the axial motion of arc wall 4, the forage straw that will preliminary block shifts to the second storehouse body 2 insides.
In the second cabin body 2, the driving shaft 7 drives the plurality of pushing plates 10 and the plurality of cutting plates 14 to rotate. After the primarily cut forage straws enter the second bin body 2, the forage straws are held between the two adjacent pushing plates 10, and the pushing plates 10 drive the forage straws to do circular motion. During the circular motion of the forage straws, each cutting board 14 group sequentially skims over the second partition board 6 to further shear the forage straws, so that the forage straws are further crushed.
Finally, the forage straws with the grinding fineness meeting the requirement are thrown out of the second bin body 2 through the tangential outlet 11 under the action of centrifugal force, so that the forage straws are convenient for livestock to eat.
The technical scheme of the utility model in, the forage straw that gets into this device is smashed through the second grade, reaches the high-efficient purpose of smashing the forage.
Specifically, the axis of drive shaft 7 coincides with the radial cross-section curvature center line of arc wall 4, and simultaneously, the axis of drive shaft 7 coincides with the axis of the cylinder of the second storehouse body 2 to the interval that makes the 4 inside walls of pivoted cutting knife body 9 and arc wall remains unchanged, thereby makes the interval of pivoted slurcam 10 and second baffle 6 remain unchanged, thereby makes the interval of cutting board 14 group and second baffle 6 remain unchanged. Through the structure, the forage straws can be subjected to balanced shearing force in the first bin body 1 and the second bin body 2, so that the crushed uniformity of the forage straws is ensured.
Specifically, the axial end face of the second bin body 2 is provided with an arc-shaped through hole 12, and the profile of the arc-shaped through hole 12 is the same as the profile of the radial section of the arc-shaped groove 4, so that the forage straws which are primarily cut off enter the second bin body 2 through the arc-shaped through hole 12.
Specifically, the tangential outlet 11 is oriented horizontally for throwing out the forage straw after the secondary crushing.
Specifically, one end of each of the plurality of cutting blades 9 is fixedly connected to the axial side of the driving shaft 7, each of the plurality of cutting blades 9 extends in the radial direction of the driving shaft 7, and the screw-shaped rod 8 is sequentially connected to the middle of each of the plurality of cutting blades 9.
Specifically, the center line of the spiral line of the screw-shaped rod 8 coincides with the central axis of the drive shaft 7.
As shown in fig. 5, 6 and 7, in a specific embodiment, the device further comprises an arc-shaped mesh body 13, wherein the arc-shaped mesh body 13 is installed on the inner side surface of the second cartridge body 2, and the arc-shaped mesh body 13 corresponds to the tangential outlet 11.
In this embodiment, specifically, the driving shaft 7 drives the pushing plate 10 and the cutting plate 14 to rotate, and the fineness of the thrown straw is controlled by the arc-shaped mesh body 13 in the process of further shearing the straw by matching with the plurality of second partition plates 6. If the grain diameter of the forage straws is thicker, the forage straws can not pass through the arc-shaped reticular body 13 due to centrifugal force, so that the forage straws which do not meet the grain diameter requirement continue to move circularly and continue to bear shearing force.
Specifically, a plurality of grid through holes 23 are uniformly distributed on the surface of the arc-shaped mesh body 13.
As shown in fig. 1, in the specific embodiment, the extending direction of each of the first partition plates 5 is arranged obliquely with respect to the axial direction of the arc-shaped groove 4.
In this embodiment, it is concrete, the space between two adjacent first baffles 5 is first space, because first baffle 5 inclines setting in proper order, first space also is for the axial slope of arc wall 4, by the preliminary forage straw of cuting subsides in each first space, under the stirring effect of cutting knife body 9, forage straw in the first space jumps to next first space along the incline direction in first space, finally gets into second storehouse body 2, avoids the forage straw to store up in each first space.
As shown in fig. 1, 2 and 8, in a specific embodiment, each of the cutting plate 14 sets includes a plurality of cutting plates 14, and an arrangement direction of the plurality of cutting plates 14 is parallel to an extending direction of the second partition board 6.
In the present embodiment, in particular, a plurality of said pushing plates 10, a plurality of said cutting plates 14 and said tangential outlets 11 are located on the same radial plane of the second cartridge body 2, and a plurality of second partition plates 6 are circumferentially arranged on the axially inner side of the second cartridge body 2, and the arrangement direction of a plurality of said cutting plates 14 is parallel to the extension direction of said second partition plates 6. Through the arrangement, when the plurality of cutting plates 14 rotate by taking the driving shaft 7 as the center, the rotating direction of the cutting plates is perpendicular to the extending direction of the second partition plate 6, so that stronger vertical shearing acting force is formed on forage straws, and a better secondary crushing effect is achieved.
As shown in fig. 1, 2 and 8, in a specific embodiment, each of the cutting plate 14 sets further includes a bracket 15, the bracket 15 is fixedly connected to the shaft side of the driving shaft 7, and the plurality of cutting plates 14 are respectively rotatably connected to the bracket 15.
In this embodiment, specifically, the plurality of cutting plates 14 can rotate by themselves while revolving around the driving shaft 7, the cutting plates 14 can strike the second partition plate 6 and pass over the second partition plate 6 by rotating by themselves, and the direct striking process of the cutting plates 14 and the second partition plate 6 can better play a role in shearing forage straws.
In particular, the end of the support 15 remote from the drive shaft 7 is fixedly connected to a fixed shaft 16, the cutting plate 14 being rotatably connected to said fixed shaft 16.
In the concrete implementation mode, the device further comprises an arc-shaped cover body 17, wherein the upper end of the second bin body 2 is provided with an opening, and the arc-shaped cover body 17 covers the opening.
In this embodiment, specifically, the plurality of second partition plates 6 are uniformly distributed on the inner side surface of the arc-shaped cover 17. When the arc-shaped cover body 17 covers the opening, the plurality of second partition plates 6 and the cutting plate 14 are matched with each other to carry out secondary crushing on the forage straws; when the arc lid 17 was opened, the staff of being convenient for looked over the inside condition in second storehouse body 2.
Specifically, one side edge of the arc cover body 17 is rotatably connected to one side edge of the opening, the other side edge of the arc cover body 17 is detachably connected to the other side edge of the opening through a buckle, the outer side of the arc cover body 17 is fixedly connected to the handle 18, and a worker can hold the handle 18 to pull up the arc cover body 17.
As shown in fig. 5 and 6, in a specific embodiment, the axially opposite end surfaces of the second bin body 2 are respectively provided with an arc-shaped slide rail 19, and the arc-shaped mesh body 13 is slidably connected to the arc-shaped slide rails 19.
In this embodiment, the curvature central angle of the arc-shaped mesh body 13 is equal to the curvature central angle of the arc-shaped slide rail 19, so that after the arc-shaped cover 17 is opened by a worker, the arc-shaped mesh body 13 is taken out of or put into the arc-shaped slide rail 19 to inspect and maintain the arc-shaped mesh body 13.
Specifically, the radial position of the arc-shaped slide rail 19 on the second bin body 2 corresponds to the position of the tangential outlet 11, so that after the arc-shaped mesh body 13 is placed in the arc-shaped slide rail 19, the arc-shaped mesh body 13 corresponds to the tangential outlet 11.
As shown in fig. 1, in a specific embodiment, the device further comprises a driving motor 20, one end of the driving shaft 7 penetrating through the second cabin body 2 is a first end, the first end is fixedly connected to a driven wheel 21, an output shaft of the driving motor 20 is fixedly connected to a driving wheel 22, and the driving wheel 22 is in transmission connection with the driven wheel 21.
In the present embodiment, specifically, the driving motor 20 drives the driving wheel 22 to rotate, and the driving wheel 22 drives the driven wheel 21 to rotate, so as to drive the driving shaft 7 to rotate; if foreign matters exist in the first bin body 1 or the second bin body 2, the driving shaft 7 is blocked, the driven wheel 21 cannot rotate smoothly, but the driving wheel 22 and the driven wheel 21 are in transmission connection, the driven wheel 21 cannot transmit resistance to the driving wheel 22, and the driving motor 20 is prevented from being overloaded.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A grass crushing apparatus, comprising:
the bin body part comprises a first bin body and a second bin body, a feed inlet is formed in the upper end of the first bin body, an arc-shaped groove is formed in the lower end of the first bin body, a plurality of first partition plates are sequentially and axially arranged in the arc-shaped groove, the second bin body is cylindrical, the second bin body is axially communicated with the arc-shaped groove, a tangential outlet is formed in the lower portion of the second bin body, and a plurality of second partition plates are circumferentially distributed on the inner side surface of the second bin body in the axial direction;
the cutting part comprises a driving shaft, a first cutting mechanism and a second cutting mechanism, the driving shaft is sequentially superposed on the central axis of the arc-shaped groove and the central axis of the second bin body, the first cutting mechanism comprises a thread-shaped rod and a plurality of cutting knife bodies, the plurality of cutting knife bodies are sequentially and spirally arranged on the axial side of the driving shaft, the thread-shaped rod is sequentially connected with the plurality of cutting knife bodies, each cutting knife body corresponds to a space between two adjacent first partition plates, the second cutting mechanism comprises a plurality of pushing plates and a plurality of cutting plate groups, the pushing plates and the cutting plate groups are alternately and circumferentially arranged on the axial side of the driving shaft, and the pushing plates, the cutting plate groups and the tangential outlets are coplanar.
2. A fodder crushing device according to claim 1,
the second bin body is provided with a tangential outlet, and the second bin body is provided with a first bin body and a second bin body which are communicated with each other.
3. A fodder crushing device according to claim 1,
the extending direction of each first baffle plate is obliquely arranged relative to the axial direction of the arc-shaped groove.
4. A fodder crushing device according to any one of claims 1 to 3,
each cutting plate group comprises a plurality of cutting plates, and the arrangement direction of the plurality of cutting plates is parallel to the extending direction of the second partition plate.
5. A fodder crushing device according to claim 4, wherein,
each cutting plate group further comprises a support, the support is fixedly connected to the shaft side of the driving shaft, and the plurality of cutting plates are respectively and rotatably connected to the support.
6. A fodder crushing device according to any one of claims 1 to 3,
the bin body is characterized by further comprising an arc-shaped cover body, wherein the upper end of the second bin body is provided with an opening, and the arc-shaped cover body covers the opening.
7. A fodder crushing device according to claim 6, wherein,
the axial opposite end surfaces of the second cabin body are respectively provided with an arc-shaped slide rail, and the arc-shaped reticular body is connected with the arc-shaped slide rails in a sliding manner.
8. A fodder crushing device according to any one of claims 1 to 3,
the second bin body is characterized by further comprising a driving motor, wherein one end, penetrating through the second bin body, of the driving shaft is a first end, the first end is fixedly connected to a driven wheel, an output shaft of the driving motor is fixedly connected to a driving wheel, and the driving wheel is in transmission connection with the driven wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052583.4U CN215122296U (en) | 2021-05-17 | 2021-05-17 | Forage reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052583.4U CN215122296U (en) | 2021-05-17 | 2021-05-17 | Forage reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215122296U true CN215122296U (en) | 2021-12-14 |
Family
ID=79370972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121052583.4U Expired - Fee Related CN215122296U (en) | 2021-05-17 | 2021-05-17 | Forage reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215122296U (en) |
-
2021
- 2021-05-17 CN CN202121052583.4U patent/CN215122296U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8220237B1 (en) | Stalk roll | |
| CN209732310U (en) | Freshwater fish is bred with feeding device that can evenly spray | |
| EP1559474A2 (en) | Mixing apparatus with non-concentric auger | |
| CN215122296U (en) | Forage reducing mechanism | |
| CN208891476U (en) | A kind of aquaculture feed delivery device | |
| CN108184458A (en) | A kind of agricultural herding herbage shredding machine | |
| CN101971749A (en) | Mechanical thresher for corncobs with husks | |
| CN205611288U (en) | Vertical straw hay cutter | |
| CN102090228A (en) | Stem cutting device for full-feeding combined harvester | |
| CN109874516A (en) | Straw field pickup disintegrating screening machine | |
| CN212937400U (en) | Aquaculture is with device of throwing something and feeding of ice fish fodder | |
| CN113039946B (en) | Chopping and rubbing combined cleaning type square bale bundling machine | |
| CN212993153U (en) | Fine cutting device is used in processing of chenopodium quinoa forage grass | |
| CN211142266U (en) | Multi-bin cotton mixing machine for processing yarns | |
| CN109174348B (en) | Mulberry branch and leaf micro-storage feed production system | |
| US5762273A (en) | Mulcher apparatus | |
| CN210746157U (en) | Special rubbing crusher of forage grass | |
| CN109847879A (en) | A kind of crusher for fodder | |
| CN201905060U (en) | Stalk chopping device for harvester | |
| CN207099756U (en) | A kind of herbage guillotine cutting rubs silk and throws device | |
| CN219644606U (en) | Mixer of forage grass foodstuff | |
| CN218869280U (en) | Automatic device of smashing of raw and other materials for production of cod intestines | |
| CN210275178U (en) | High-efficient reducing mechanism of animal husbandry grass fodder | |
| CN212487307U (en) | Self-propelled peanut pickup harvester cylinder structure | |
| JP2001269590A (en) | Crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |