CN218381851U - Quantitative filling device for environmental monitoring sampling - Google Patents
Quantitative filling device for environmental monitoring sampling Download PDFInfo
- Publication number
- CN218381851U CN218381851U CN202222581388.1U CN202222581388U CN218381851U CN 218381851 U CN218381851 U CN 218381851U CN 202222581388 U CN202222581388 U CN 202222581388U CN 218381851 U CN218381851 U CN 218381851U
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- rod
- quantitative
- ring
- liquid
- side wall
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 230000007613 environmental effect Effects 0.000 title claims abstract description 26
- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 149
- 238000002347 injection Methods 0.000 claims description 67
- 239000007924 injection Substances 0.000 claims description 67
- 238000005086 pumping Methods 0.000 claims description 24
- 238000000605 extraction Methods 0.000 claims description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 7
- 230000000087 stabilizing effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to an environmental monitoring sampling filler technical field, and an environmental monitoring sampling is with quantitative filler is disclosed, including the filler body, the filler body is including annotating the liquid cylinder body, push-and-pull rod and piston head, be provided with quantitative adjusting bracket on annotating the lateral wall of liquid cylinder body, quantitative adjusting bracket is including last lantern ring and lower lantern ring, the left end of going up the lantern ring is provided with quantitative notes liquid mechanism, quantitative notes liquid mechanism is including first slide bar, the bottom of first slide bar is provided with the activity and embolias the scale ring of annotating on annotating liquid cylinder body lateral wall, the top of first slide bar is provided with the activity and embolias the notes liquid spacing ring on the push-and-pull rod lateral wall, the right-hand member of going up the lantern ring is provided with quantitative drawing liquid mechanism, quantitative drawing liquid mechanism is including the second slide bar, the fixed ration ring of emboliaing on the upper end outer wall of push-and annotating, the device simple structure, quantitative regulation convenient and fast, the quantitative standard and the operating efficiency height of drawing liquid and annotating.
Description
Technical Field
The utility model relates to an environmental monitoring sampling filler technical field especially relates to an environmental monitoring sampling is with quantitative filler.
Background
The environmental monitoring sampling is a component of environmental monitoring, and in the environmental monitoring sampling process, a filling device is required to be used for liquid suction and injection.
Through retrieval application number CN202220572137.4 discloses a quantitative charging ware is used in environmental monitoring sampling, belong to environmental monitoring technical field, add the one end of annotating the section of thick bamboo and seted up the reservoir, the fixed cover in bottom of reservoir has connect pipette and drain pipe, the inner wall contact of reservoir is connected with the piston, the fixed block of fixed cover in inside of piston, the surface of fixed block rotates through sealed bearing and is connected with and adds the notes pole, the fixed disk of fixed cover of adding the notes pole has been connect, the surface of fixed disk can be dismantled and is connected with the brush cotton, the surface of adding the notes pole has the thread bush through threaded connection.
The device of this comparison file is in environmental monitoring sampling use, no matter be the drawing of liquid or annotate the liquid, all need cover sealed and realize through the rotatory filling rod of screw thread, and it is in order to realize the operation mode of drawing of liquid and notes liquid to drive the piston through the rotatory filling rod of screw thread in the filling section of thick bamboo and do the piston motion, though can realize the effect of accurate ration notes liquid and drawing of liquid to a certain extent, however, it is too low to drive the operating efficiency that the piston removed with the mode of screw thread rotation feed, lead to the time of single drawing of liquid or notes liquid to be lengthy, and then influenced the work efficiency of environmental monitoring sampling, simultaneously, the device is at the sealed lid that the top of filling section of thick bamboo set up, there is the principle defect obviously, lead to the piston in-process of upwards moving the drawing of liquid, filling section of thick bamboo upper end inner chamber is under the sealed environment, the ascending of piston obviously can receive the atmospheric pressure effect restriction under the sealed environment, further influenced going on smoothly of environmental sampling work, to sum up, the device has the structure unreasonable, the defect that the operating efficiency is low.
Therefore, the quantitative filling device for the environmental monitoring sampling is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a quantitative filler for environmental monitoring sampling.
In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a quantitative filler is used in environmental monitoring sampling, including the filler body, the filler body is including annotating the liquid barrel body, push-and-pull rod and piston head, be provided with quantitative adjusting bracket on annotating the lateral wall of liquid barrel body, quantitative adjusting bracket is including last lantern ring and lower lantern ring, go up lantern ring and lower lantern ring and fix respectively and embolia on the upper and lower both ends lateral wall of annotating the liquid barrel body, the left end of going up the lantern ring is provided with quantitative notes liquid mechanism, quantitative notes liquid mechanism is including first slide bar, first slide bar is the sliding connection relation with the left end of last lantern ring, the bottom of first slide bar is provided with the activity and embolias the notes liquid scale ring on annotating liquid barrel body lateral wall, the top of first slide bar is provided with the activity and embolias the notes liquid spacing ring on the push-and-pull rod lateral wall, the right-hand member of going up the lantern ring is provided with quantitative drawing liquid mechanism, quantitative drawing liquid mechanism is including the second slide bar, the second slide bar is the right-hand member of last lantern ring is the sliding connection relation, the bottom of second slide bar is provided with the activity and annotates the drawing liquid scale ring on the liquid spacing ring on the lateral wall of annotating liquid spacing ring, the activity and embolia the fixed spacing ring, the outer wall, the top of drawing liquid level spacing ring, the liquid level spacing ring is embolia between the quantitative push-and the liquid spacing ring.
Furthermore, two fixing rods are arranged between the upper lantern ring and the lower lantern ring, and the upper end and the lower end of each fixing rod are fixedly connected to the surfaces, close to each other, of the left end and the right end of the upper lantern ring and the lower lantern ring respectively.
Furthermore, the top end of the first slide bar is fixedly connected with a first upper connecting rod, the right end of the first upper connecting rod is fixedly connected with the outer side wall of the liquid injection limiting ring, the bottom end of the first slide bar is fixedly connected with a first lower connecting rod, and the right end of the first lower connecting rod is fixedly connected with the outer side wall of the liquid injection scale ring.
Furthermore, the left end of the first lower connecting rod is fixedly connected with a first sliding sleeve, the first sliding sleeve is movably sleeved on the outer side wall of the left end fixing rod, and a first locking bolt is connected to the outer side wall of the first sliding sleeve through threads.
Furthermore, the top end of the second sliding rod is fixedly connected with a second upper connecting rod, the right end of the second upper connecting rod is fixedly connected with the outer side wall of the liquid pumping limiting ring, the bottom end of the second sliding rod is fixedly connected with a second lower connecting rod, and the right end of the second lower connecting rod is fixedly connected with the outer side wall of the liquid pumping scale ring.
Furthermore, the left end of the second lower connecting rod is fixedly connected with a second sliding sleeve, the second sliding sleeve is movably sleeved on the outer side wall of the right end fixing rod, and a second locking bolt is connected to the outer side wall of the second sliding sleeve through threads.
Furthermore, the inner side wall of the top end of the liquid injection cylinder body is connected with a stabilizing rod cover through threads, and the push-pull rod and the stabilizing rod cover are in a movable sleeved relationship.
Furthermore, the top surface of the stabilizer bar cover is uniformly provided with vent holes which penetrate through the stabilizer bar cover up and down along the axial direction.
Advantageous effects
The utility model provides an environmental monitoring sampling is with quantitative filler. The method has the following beneficial effects:
1. when quantitative liquid pumping is carried out through the device in the environment monitoring and sampling work, the second slide bar is upwards pulled on the upper sleeve ring, the second slide bar drives the liquid pumping scale ring and the second sliding sleeve to upwards slide on the outer side wall of the liquid injection cylinder body and the outer side wall of the right end fixing rod through the second lower connecting rod, the second slide bar simultaneously drives the liquid pumping limiting ring to upwards slide on the outer side wall of the push-pull rod through the second upper connecting rod, the position of the scale mark line of the liquid pumping limiting ring on the outer side wall of the liquid injection cylinder body is determined according to the quantitative requirement of liquid pumping, the position of the second sliding sleeve is fixed by rotating the second locking bolt on the second sliding sleeve through threads, so that the positions of the liquid pumping scale ring and the liquid pumping limiting ring are fixed, at the moment, the push-pull rod is pulled to drive the piston head to upwards move in the liquid injection cylinder body to pump liquid into the liquid injection cylinder body, the push-pull rod is upwards pulled to the position where the quantitative ring abuts against the lower side of the liquid pumping limiting ring, so that quantitative liquid pumping operation is realized, and similarly, when quantitative liquid injection is carried out, the first slide rod slides along the vertical direction at the left end of the upper sleeve ring, the first slide rod drives the liquid injection scale ring and the first sliding sleeve to slide on the outer side wall of the liquid injection cylinder body and the outer side wall of the left end fixing rod through the first lower connecting rod, the first slide rod simultaneously drives the liquid injection limiting ring to slide on the outer side wall of the push-pull rod through the first upper connecting rod, the position of the scale mark line of the liquid injection limiting ring on the outer side wall of the liquid injection cylinder body is determined according to the quantitative requirement of the liquid injection, the first locking bolt on the first sliding sleeve is rotated through threads to fix the position of the first sliding sleeve, so that the positions of the liquid injection scale ring and the liquid injection limiting ring are fixed, at the moment, the liquid in the liquid injection cylinder body is pushed out through downwards pushing of the push-pull rod, the push-and-pull rod pushes the quantitative ring downwards to be propped above the liquid injection limiting ring, so that quantitative liquid injection operation is realized, the device is simple in structure, convenient and fast to quantitatively adjust, and the quantitative standard and the operation efficiency of liquid pumping and liquid injection are high.
2. This quantitative filling device is used in environmental monitoring sampling, at the in-process of pull with promote the push-and-pull rod, the push-and-pull rod is covered at the stabilizer bar and is slided, and the stabilizer bar lid can also effectively improve the stability of push-and-pull rod at pull and promotion in-process when playing the guard action to the inner chamber of annotating the liquid section of thick bamboo body, simultaneously, through the setting of air vent on the stabilizer bar lid, the inside and outside atmospheric pressure of the liquid section of thick bamboo body of being convenient for is balanced to guarantee that the push-and-pull rod can drive the piston head and annotate the piston motion in the liquid section of thick bamboo body.
Drawings
The structures, proportions, sizes, and other elements shown in the specification are for the understanding of the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the claims, but rather by the claims.
FIG. 1 is a schematic front cross-sectional view of a unitary structure;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is an enlarged view of fig. 1 at B.
Illustration of the drawings:
11. an injection cylinder body; 12. a push-pull rod; 13. a piston head; 21. an upper collar; 22. fixing the rod; 23. a lower collar; 31. a first slide bar; 32. a first lower link; 33. liquid injection scale ring; 34. a first upper link; 35. injecting a liquid limiting ring; 36. a first sliding sleeve; 37. a first locking bolt; 41. a second slide bar; 42. a second lower link; 43. a liquid-pumping scale ring; 44. a second upper link; 45. a liquid pumping limiting ring; 46. a second sliding sleeve; 47. a second lock bolt; 5. a dosing ring; 6. and a stabilizer bar cover.
Detailed Description
A quantitative filling device for environmental monitoring sampling is disclosed, as shown in figures 1-3, and comprises a filling device body, the filling device body comprises a liquid injection cylinder body 11, a push-pull rod 12 and a piston head 13, a quantitative adjusting frame is arranged on the outer side wall of the liquid injection cylinder body 11, the quantitative adjusting frame comprises an upper sleeve ring 21 and a lower sleeve ring 23, the upper sleeve ring 21 and the lower sleeve ring 23 are respectively fixedly sleeved on the outer side walls of the upper end and the lower end of the liquid injection cylinder body 11, a quantitative liquid injection mechanism is arranged at the left end of the upper sleeve ring 21, the quantitative liquid injection mechanism comprises a first slide rod 31, the first slide rod 31 is in sliding connection with the left end of the upper sleeve ring 21, a liquid injection scale ring 33 movably sleeved on the outer side wall of the liquid injection cylinder body 11 is arranged at the bottom end of the first slide rod 31, a liquid injection limit ring 35 movably sleeved on the outer side wall of the push-pull rod 12 is arranged at the top end of the first slide rod 31, a quantitative liquid extraction mechanism is arranged at the right end of the upper sleeve ring 21, the quantitative liquid pumping mechanism comprises a second slide bar 41, the second slide bar 41 is in sliding connection with the right end of the upper sleeve ring 21, the bottom end of the second slide bar 41 is provided with a liquid pumping scale ring 43 movably sleeved on the outer side wall of the liquid injection cylinder body 11, the top end of the second slide bar 41 is provided with a liquid pumping limiting ring 45 movably sleeved on the outer side wall of the push-pull rod 12, the outer wall of the upper end of the push-pull rod 12 is fixedly sleeved with a quantitative ring 5, the quantitative ring 5 is positioned between the liquid injection limiting ring 35 and the liquid pumping limiting ring 45, two fixing rods 22 are arranged between the upper sleeve ring 21 and the lower sleeve ring 23, the upper end and the lower end of each fixing rod 22 are respectively and fixedly connected with one surface of the left end and the right end of the upper sleeve ring 21 and the left end and the right end of the lower sleeve ring 23 which are close to each other, the top end of the first slide bar 31 is fixedly connected with a first upper connecting rod 34, and the right end of the first upper connecting rod 34 is fixedly connected with the outer side wall of the liquid injection limiting ring 35, the bottom end of the first sliding rod 31 is fixedly connected with a first lower connecting rod 32, the right end of the first lower connecting rod 32 is fixedly connected with the outer side wall of the liquid injection scale ring 33, the left end of the first lower connecting rod 32 is fixedly connected with a first sliding sleeve 36, the first sliding sleeve 36 is movably sleeved on the outer side wall of the left end fixed rod 22, the outer side wall of the first sliding sleeve 36 is connected with a first locking bolt 37 through a thread, the top end of the second sliding rod 41 is fixedly connected with a second upper connecting rod 44, the right end of the second upper connecting rod 44 is fixedly connected with the outer side wall of a liquid pumping limiting ring 45, the bottom end of the second sliding rod 41 is fixedly connected with a second lower connecting rod 42, the right end of the second lower connecting rod 42 is fixedly connected with the outer side wall of a liquid pumping scale ring 43, the left end of the second lower connecting rod 42 is fixedly connected with a second sliding sleeve 46, the second sliding sleeve 46 is movably sleeved on the outer side wall of the right end fixed rod 22, and the outer side wall of the second sliding sleeve 46 is connected with a second locking bolt 47 through a thread. When quantitative liquid extraction is performed through the device in the environment monitoring and sampling work, the second slide rod 41 is pulled upwards on the upper sleeve ring 21, the second slide rod 41 drives the liquid extraction scale ring 43 and the second slide sleeve 46 to slide upwards on the outer side wall of the liquid injection cylinder body 11 and the outer side wall of the right-end fixing rod 22 through the second lower connecting rod 42, the second slide rod 41 simultaneously drives the liquid extraction limiting ring 45 to slide upwards on the outer side wall of the push-pull rod 12 through the second upper connecting rod 44, the position of the scale mark line of the liquid extraction limiting ring 45 on the outer side wall of the liquid injection cylinder body 11 is determined according to the quantitative requirement of liquid extraction, the position of the second slide sleeve 46 is fixed by rotating the second locking bolt 47 on the second slide sleeve 46 through threads, so that the positions of the liquid extraction scale ring 43 and the liquid extraction limiting ring 45 are fixed, at this time, the piston head 13 is driven by the pull-pull rod 12 to perform piston movement upwards in the liquid injection cylinder body 11 to extract liquid into the liquid injection cylinder body 11, the push-pull rod 12 is pulled upwards until the quantitative ring 5 is pressed against the lower part of the liquid pumping limiting ring 45, thereby realizing quantitative liquid pumping operation, and similarly, during quantitative liquid injection, the first slide rod 31 slides along the vertical direction at the left end of the upper sleeve ring 21, the first slide rod 31 drives the liquid injection scale ring 33 and the first slide sleeve 36 to slide on the outer side wall of the liquid injection cylinder body 11 and the outer side wall of the left end fixing rod 22 through the first lower connecting rod 32, the first slide rod 31 simultaneously drives the liquid injection limiting ring 35 to slide on the outer side wall of the push-pull rod 12 through the first upper connecting rod 34, the position of the liquid injection limiting ring 35 on the scale mark line on the outer side wall of the liquid injection cylinder body 11 is determined according to the quantitative requirement of liquid injection, and the first locking bolt 37 on the first slide sleeve 36 is rotated through threads to fix the position of the first slide sleeve 36, thereby realizing the fixation of the positions of the liquid injection scale ring 33 and the liquid injection limiting ring 35, at the moment, the liquid in the liquid injection cylinder body 11 is pushed out by pushing the push-pull rod 12 downwards, the push-pull rod 12 pushes the quantitative ring 5 downwards to be above the liquid injection limiting ring 35, and therefore quantitative liquid injection operation is achieved.
The top inside wall of notes liquid section of thick bamboo body 11 has steady rod lid 6 through threaded connection, and push-and-pull rod 12 is the activity with steady rod lid 6 and embolias the relation, and the top surface of steady rod lid 6 is followed the axial evenly distributed and is seted up the air vent that runs through from top to bottom. In the process of drawing and pushing the push-pull rod 12, the push-pull rod 12 slides on the stabilizing rod cover 6, the stabilizing rod cover 6 can play a role in protecting the inner cavity of the liquid injection cylinder body 11 and can also effectively improve the stability of the push-pull rod 12 in the drawing and pushing processes, and meanwhile, through the arrangement of the vent hole in the stabilizing rod cover 6, the balance of the internal and external air pressures of the liquid injection cylinder body 11 is facilitated, so that the push-pull rod 12 can drive the piston head 13 to do piston movement in the liquid injection cylinder body 11.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides an environmental monitoring sampling is with ration ware of adding, includes the ware of adding body, and the ware of adding body is including annotating liquid a section of thick bamboo body (11), push-and-pull rod (12) and piston head (13), its characterized in that: the quantitative liquid injection device is characterized in that a quantitative adjusting frame is arranged on the outer side wall of the liquid injection cylinder body (11), the quantitative adjusting frame comprises an upper sleeve ring (21) and a lower sleeve ring (23), the upper sleeve ring (21) and the lower sleeve ring (23) are fixedly sleeved on the outer side walls of the upper end and the lower end of the liquid injection cylinder body (11) respectively, a quantitative liquid injection mechanism is arranged at the left end of the upper sleeve ring (21), the quantitative liquid injection mechanism comprises a first sliding rod (31), the first sliding rod (31) is in sliding connection with the left end of the upper sleeve ring (21), a liquid injection scale ring (33) movably sleeved on the outer side wall of the liquid injection cylinder body (11) is arranged at the bottom end of the first sliding rod (31), a liquid injection limit ring (35) movably sleeved on the outer side wall of the liquid injection cylinder body (12) is arranged at the top end of the first sliding push-pull rod (31), a quantitative liquid extraction mechanism is arranged at the right end of the upper sleeve ring (21), the quantitative liquid extraction mechanism comprises a second sliding rod (41), the second sliding rod (41) is in sliding connection with the right end of the upper sleeve ring (41), a second sliding rod (45) is arranged at the position between the movable push-pull rod (43) sleeved on the outer side wall of the liquid extraction cylinder body (11), a second sliding rod (45) and a liquid extraction limit ring (5), and a liquid extraction rod (5) fixed on the outer side wall of the quantitative liquid extraction rod (12), and a liquid extraction limit ring (12), and a liquid extraction rod (5) is arranged at the outer side wall of the upper end of the fixed sliding rod (12).
2. The quantitative filling device for environmental monitoring sampling according to claim 1, characterized in that: two fixing rods (22) are arranged between the upper lantern ring (21) and the lower lantern ring (23), and the upper end and the lower end of each fixing rod (22) are fixedly connected to the surfaces, close to each other, of the left end and the right end of the upper lantern ring (21) and the left end and the right end of the lower lantern ring (23) respectively.
3. The quantitative filling device for environmental monitoring sampling according to claim 2, characterized in that: the liquid injection device is characterized in that a first upper connecting rod (34) is fixedly connected to the top end of the first sliding rod (31), the right end of the first upper connecting rod (34) is fixedly connected with the outer side wall of a liquid injection limiting ring (35), a first lower connecting rod (32) is fixedly connected to the bottom end of the first sliding rod (31), the right end of the first lower connecting rod (32) is fixedly connected with the outer side wall of a liquid injection scale ring (33), a first sliding sleeve (36) is fixedly connected to the left end of the first lower connecting rod (32), the first sliding sleeve (36) is movably sleeved on the outer side wall of the left end fixing rod (22), and a first locking bolt (37) is connected to the outer side wall of the first sliding sleeve (36) through threads.
4. The quantitative filling device for environmental monitoring sampling according to claim 2, characterized in that: the top end of the second sliding rod (41) is fixedly connected with a second upper connecting rod (44), the right end of the second upper connecting rod (44) is fixedly connected with the outer side wall of the liquid pumping limiting ring (45), the bottom end of the second sliding rod (41) is fixedly connected with a second lower connecting rod (42), the right end of the second lower connecting rod (42) is fixedly connected with the outer side wall of the liquid pumping scale ring (43), the left end of the second lower connecting rod (42) is fixedly connected with a second sliding sleeve (46), the second sliding sleeve (46) is movably sleeved on the outer side wall of the right end fixing rod (22), and the outer side wall of the second sliding sleeve (46) is connected with a second locking bolt (47) through threads.
5. The quantitative filling device for environmental monitoring sampling according to claim 1, characterized in that: the inner side wall of the top end of the liquid injection cylinder body (11) is connected with a stable rod cover (6) through threads, and the push-pull rod (12) and the stable rod cover (6) are movably sleeved in relation.
6. The quantitative filling device for environmental monitoring sampling according to claim 5, characterized in that: the top surface of the stabilizer bar cover (6) is uniformly provided with vent holes which penetrate through up and down along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581388.1U CN218381851U (en) | 2022-09-28 | 2022-09-28 | Quantitative filling device for environmental monitoring sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581388.1U CN218381851U (en) | 2022-09-28 | 2022-09-28 | Quantitative filling device for environmental monitoring sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218381851U true CN218381851U (en) | 2023-01-24 |
Family
ID=84954186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222581388.1U Expired - Fee Related CN218381851U (en) | 2022-09-28 | 2022-09-28 | Quantitative filling device for environmental monitoring sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218381851U (en) |
-
2022
- 2022-09-28 CN CN202222581388.1U patent/CN218381851U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230124 |