CN215656839U - Cable plugging device dust collector with clamping function - Google Patents
Cable plugging device dust collector with clamping function Download PDFInfo
- Publication number
- CN215656839U CN215656839U CN202122304901.8U CN202122304901U CN215656839U CN 215656839 U CN215656839 U CN 215656839U CN 202122304901 U CN202122304901 U CN 202122304901U CN 215656839 U CN215656839 U CN 215656839U
- Authority
- CN
- China
- Prior art keywords
- fixed
- dust
- dust collection
- collection box
- ring
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 148
- 238000010521 absorption reaction Methods 0.000 claims description 40
- 239000007787 solid Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005267 amalgamation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a dust removing device with a clamping function for a cable plugging device, which comprises a dust suction box body, an opening and closing door plate and a movable wheel base, wherein the dust suction box body is fixedly arranged at the upper end position of the movable wheel base, the opening and closing door plate is arranged at the inner side of the lower end of the dust suction box body, heat dissipation panels are arranged at the inner sides of two ends of the dust suction box body, a dust suction extension pipeline is arranged at a through hole of the dust suction pipeline at the upper end of the dust suction box body, a fixed support column is arranged at the outer side of the dust suction extension pipeline on the dust suction box body, a telescopic extension plate is arranged at the peripheral side of the upper end of the fixed support column, a clamping and fixing sleeve is arranged at the outer end of the telescopic extension plate, the dust suction box body is electrically connected with an external power supply, and is effectively clamped and fixedly pulled for use due to the arrangement of a clamping and fixing sleeve structure, the clamping fixing sleeve is more stable and convenient in clamping fixing.
Description
Technical Field
The utility model relates to the technical field of production and processing of cable stoppers, in particular to a dust removal device with a clamping function for a cable stopper.
Background
Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. Installation requires special care since the cable is live. When the sensor is connected with the outside for use, a cable plugging device is needed. During production and processing of the cable plugging device, certain dust can be generated, so that a dust removal device for the cable plugging device is required to remove dust.
At present, when the dust removal device for the existing cable plugging device is used, an external dust collection pipeline cannot be effectively clamped and fixed, so that the dust collection pipeline cannot collect dust stably when the dust collection pipeline is pulled to collect dust.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dust removal device with a clamping function for a cable plugging device, which aims to solve the problem that the existing dust removal device for the cable plugging device in the background art cannot effectively clamp and fix an external dust collection pipeline when in use, so that the dust collection pipeline cannot stably collect dust when the dust collection pipeline is pulled to collect dust.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dust collector for cable plugging device with clamping function, includes the dust absorption box, opens and shuts the door plant and removes the wheel base, the installation of dust absorption box is fixed on the upper end position of removing the wheel base, the lower extreme inboard of dust absorption box is provided with the door plant that opens and shuts, the both ends inboard of dust absorption box is provided with the heat dissipation panel, the upper end dust absorption pipeline through-hole department of dust absorption box is provided with dust absorption extension pipeline, the outside that dust absorption extension pipeline was located the dust absorption box is provided with the fixed stay post, the upper end week side of fixed stay post is provided with flexible extension plate, the outer end of flexible extension plate is provided with the fixed cover of centre gripping, dust absorption box and external power source electric connection.
The telescopic extension plate comprises a fixed sleeve plate, a telescopic adjusting plate, a positioning bolt and a positioning sleeve ring, the left end of the fixed sleeve plate is provided with the positioning sleeve ring, the inner side of the positioning sleeve ring is provided with a locking bolt, the telescopic adjusting plate is arranged inside the fixed sleeve plate, the positioning bolt is arranged at the joint of the fixed sleeve plate and the telescopic adjusting plate, and the positioning sleeve ring is fixedly connected to the fixed support column through the locking bolt.
The fixed support column comprises a movable sleeve, an upper end stand column, a fixed stand column and a support supporting plate, the upper end of the fixed stand column is provided with the upper end stand column, the periphery of the upper end stand column is provided with the movable sleeve, the outer wall of the movable sleeve is provided with the support supporting plate, and the support supporting plate is fixedly connected to the telescopic extension plate.
Wherein, the fixed cover of centre gripping includes the fixed bolt post, drags the pole, the fixed lantern ring, inlays solid fixed ring and connecting bolt, the lower extreme of fixed bolt post is provided with drags the pole, the lower extreme that drags the pole is provided with the fixed lantern ring, the lower extreme inboard of the fixed lantern ring is provided with inlays solid fixed ring, the fixed lantern ring is provided with connecting bolt with the junction of inlaying solid fixed ring, fixed bolt post fixed connection is on flexible extension plate, the fixed lantern ring with inlay solid fixed ring and pass through connecting bolt fixed connection on the dust absorption extension pipeline.
The maximum telescopic stroke of the telescopic extension plate is the same as the maximum pulling extension length of the dust collection extension pipeline.
The dust collection box body is fixedly connected with the movable wheel base in a welding mode, and the outer sides of the connecting part of the dust collection box body and the movable wheel base are positioned on the same straight line.
The dust collection box body is fixedly connected with the dust collection extension pipeline through a screw, and a sealing rubber ring is arranged at the joint of the dust collection box body and the dust collection extension pipeline.
In summary, due to the adoption of the technology, the utility model has the beneficial effects that:
1. according to the dust collection extension pipe, the clamping fixing sleeve structure is arranged, so that the dust collection extension pipe can be effectively clamped, fixed and pulled for use, the fixing sleeve ring and the embedding fixing ring of the clamping fixing sleeve are fixedly connected to the dust collection extension pipe through the connecting bolt, the dust collection extension pipe is convenient to fix on the inner side of the splicing of the fixing sleeve ring and the embedding fixing ring, the dust collection extension pipe is effectively clamped and fixed, the fixing sleeve ring effectively clamps and fixes the dust collection extension pipe due to the pulling rod at the upper end, the fixing sleeve ring effectively pulls and suspends, the pulling rod is fixedly connected to the telescopic extension plate due to the fixing bolt column, the dust collection extension pipe is convenient to suspend and pull for use according to the telescopic distance of the telescopic extension plate, and the dust collection extension pipe is more stable and convenient to dust collection.
2. According to the dust collection extension pipe, the telescopic extension plate structure is arranged, so that the adjustment and the extension are convenient, the positioning sleeve ring of the telescopic extension plate is fixedly connected to the fixed support column through the locking bolt, when the dust collection extension pipe is used, a person loosens the locking bolt, so that the positioning sleeve ring is convenient to move up and down on the periphery of the fixed support column to adjust the height of the position, after the adjustment, the positioning sleeve ring is effectively fixed through the locking bolt, when the extended position of the dust collection extension pipe collects dust, the person loosens the positioning bolt, the fixed sleeve plate and the telescopic adjusting plate are convenient to movably adjust, the adjustment and the change can be performed according to the extended length of the dust collection extension pipe, after the change, the positioning bolt is fixed again, and therefore the adjustment and the use are convenient according to the extended position of the dust collection extension pipe.
Drawings
Fig. 1 is a schematic perspective view of a dust removing device for a cable plugging device with a clamping function according to the present invention;
fig. 2 is a schematic structural view of a telescopic extension plate of the dust removing device for the cable plugging device with a clamping function according to the utility model;
fig. 3 is a schematic structural view of a fixed support column of the dust removing device for a cable plugging device with a clamping function according to the present invention;
fig. 4 is a schematic structural view of a clamping fixing sleeve of the dust removing device for the cable plugging device with the clamping function.
In the figure: 1. fixing the support columns; 11. an active cannula; 12. an upper end upright post; 13. fixing the upright post; 14. a support pallet; 2. a dust collection box body; 3. a door panel is opened and closed; 4. a movable wheel base; 5. a heat dissipation panel; 6. a telescopic extension plate; 61. fixing the sleeve plate; 62. a telescopic adjusting plate; 63. positioning the bolt; 64. a positioning collar; 65. locking the bolt; 7. clamping the fixing sleeve; 71. fixing a bolt column; 72. pulling the rod; 73. a fixed collar; 74. embedding a fixed ring; 75. a connecting bolt; 8. dust absorption extension pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example one
Referring to fig. 1 and 2, a dust removing device for a cable plugging device with a clamping function comprises a dust collection box body 2, an opening and closing door plate 3 and a movable wheel base 4, wherein the dust collection box body 2 is fixedly installed at the upper end of the movable wheel base 4, the opening and closing door plate 3 is arranged at the inner side of the lower end of the dust collection box body 2, heat dissipation panels 5 are arranged at the inner sides of the two ends of the dust collection box body 2, a dust collection extension pipeline 8 is arranged at a through hole of the dust collection pipeline at the upper end of the dust collection box body 2, a fixed support column 1 is arranged at the outer side of the dust collection extension pipeline 8 on the dust collection box body 2, a telescopic extension plate 6 is arranged at the peripheral side of the upper end of the fixed support column 1, a clamping and fixing sleeve 7 is arranged at the outer end of the telescopic extension plate 6, the dust collection box body 2 is electrically connected with an external power supply, when in use, the dust collection box body 2 is pushed by the movable wheel base 4 at the lower end, and the heat dissipation panels 5 at the two ends of the internal equipment of the dust collection box body 2 dissipates heat, dust absorption box 2 carries out the dust absorption because of dust absorption extension pipe 8 to fix because of the fixed cover 7 of centre gripping of flexible extension plate 6 lower extreme and suspend the dust absorption in midair, dust absorption extension pipe 8 has certain length, thereby can change the dust absorption position, and flexible extension plate 6 also can be adjusted, is convenient for like this adjust the use as required, and flexible extension plate 6 is convenient for install because of fixed stay post 1 and places the use.
In the utility model, the telescopic extension plate 6 comprises a fixed sleeve plate 61, a telescopic adjusting plate 62, a positioning bolt 63 and a positioning sleeve ring 64, the left end of the fixed sleeve plate 61 is provided with the positioning sleeve ring 64, the inner side of the positioning sleeve ring 64 is provided with a locking bolt 65, the telescopic adjusting plate 62 is arranged inside the fixed sleeve plate 61, the positioning bolt 63 is arranged at the joint of the fixed sleeve plate 61 and the telescopic adjusting plate 62, the positioning sleeve ring 64 is fixedly connected on the fixed support column 1 through the locking bolt 65, the positioning sleeve ring 64 of the telescopic extension plate 6 is fixedly connected on the fixed support column 1 through the locking bolt 65, when in use, a person loosens the locking bolt 65, so that the positioning sleeve ring 64 can conveniently move up and down on the peripheral side of the fixed support column 1 to adjust the position height, after adjustment, because the locking bolt 65 is effectively fixed, when dust is sucked at the extended position of the dust suction extension pipeline 8, the person loosens the positioning bolt 63, make fixed lagging 61 and flexible regulating plate 62 be convenient for the activity adjustment to can adjust the change according to the length of dust absorption extension pipe 8 extension, after the change, fix once more through positioning bolt 63, be convenient for like this adjust the use according to the extended position of dust absorption extension pipe 8.
In the utility model, the maximum telescopic stroke of the telescopic extension plate 6 is the same as the maximum pulling extension length of the dust collection extension pipe 8, so that the telescopic extension plate 6 is convenient to adjust and use according to the extension position of the dust collection extension pipe 8.
In the utility model, the dust collection box body 2 and the movable wheel base 4 are fixedly connected in a welding mode, and the outer sides of the connecting part of the dust collection box body 2 and the movable wheel base 4 are positioned on the same straight line, so that the dust collection box body 2 and the movable wheel base 4 are fixedly connected in a welding mode, and are not easy to fall off when in use, and the outer sides are positioned on the same straight line, thereby not causing obstruction when in use.
In the utility model, the dust collection box body 2 and the dust collection extension pipeline 8 are fixedly connected through screws, and the sealing rubber ring is arranged at the joint of the dust collection box body 2 and the dust collection extension pipeline 8, so that the connection and fixation are more compact and firm because the sealing rubber ring is arranged at the joint of the dust collection box body 2 and the dust collection extension pipeline 8.
The working principle is as follows: when using, dust absorption box 2 promotes because of the removal wheel base 4 of lower extreme, 2 internal plant of dust absorption box dispels the heat because of the heat dissipation panel 5 at both ends, dust absorption box 2 carries out the dust absorption because of dust absorption extension pipe 8, and fix the dust absorption of hanging in midair because of the fixed cover 7 of the centre gripping of 6 lower extremes of flexible extension plate, dust absorption extension pipe 8 has certain length, thereby can change the dust absorption position, and flexible extension plate 6 also can be adjusted, be convenient for like this adjust the use as required, flexible extension plate 6 is convenient for the installation because of fixed stay post 1 and places the use.
Example two
Referring to fig. 1 and 3, in a dust removing device for a cable plugging device with a clamping function, in this embodiment, compared with the first embodiment, a fixed support column 1 includes a movable sleeve 11, an upper end upright 12, a fixed upright 13 and a support plate 14, the upper end of the fixed upright 13 is provided with the upper end upright 12, the periphery of the upper end upright 12 is provided with the movable sleeve 11, the outer wall of the movable sleeve 11 is provided with the support plate 14, and the support plate 14 is fixedly connected to a telescopic extension plate 6.
The working principle is as follows: fixed stay post 13 welded fastening of fixed stay post 1 is on dust absorption box 2, fixed stay post 13 is convenient for the erection bracing to use like this, fixed stay post 13 is because of upper end stand 12 of upper end, make movable sleeve 11 be convenient for spacing removal, movable sleeve 11's outer wall passes through supporting pallet 14 fixed connection on flexible extension plate 6, be convenient for adjust the change because of the position of flexible extension plate 6 like this, and flexible extension plate 6 effectively supports because of supporting pallet 14, make flexible extension plate 6 pull more stably.
EXAMPLE III
Referring to fig. 1 and 4, a dust collector for cable plugging device with clamping function, this embodiment compares in embodiment two, the fixed cover 7 of centre gripping includes fixed bolt post 71, pull the pole 72, the fixed lantern ring 73, inlay solid fixed ring 74 and connecting bolt 75, the lower extreme of fixed bolt post 71 is provided with pulls the pole 72, the lower extreme of pulling the pole 72 is provided with the fixed lantern ring 73, the lower extreme inboard of fixed lantern ring 73 is provided with inlays solid fixed ring 74, the junction of fixed lantern ring 73 and the solid fixed ring 74 of inlaying is provided with connecting bolt 75, fixed bolt post 71 fixed connection is on flexible extension plate 6, fixed lantern ring 73 and the solid fixed ring 74 of inlaying pass through connecting bolt 75 fixed connection on dust absorption extension pipe 8.
The working principle is as follows: the fixed lantern ring 73 of the fixed cover 7 of centre gripping passes through connecting bolt 75 fixed connection with inlay solid fixed ring 74 on the extension pipe 8 of dust absorption, make the extension pipe 8 of dust absorption be convenient for fix at the amalgamation inboard of fixed lantern ring 73 with inlay solid fixed ring 74, make the effective centre gripping of extension pipe 8 of dust absorption fix, and fixed lantern ring 73 drags pole 72 because of the upper end, thereby effectively drag and hang in midair, and drag pole 72 because of fixed bolt post 71 fixed connection on flexible extension plate 6, thereby be convenient for hang in midair according to the flexible distance of flexible extension plate 6 and drag the use, thereby the dust absorption extension pipe 8 is more stable convenient when the dust absorption.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
1. The utility model provides a dust collector for cable plugging device with clamping function, includes dust absorption box (2), door plant (3) and the removal wheel base (4) that opens and shuts, its characterized in that: the utility model discloses a dust collection box, including dust collection box base (4), dust collection box (2), lower extreme inboard of dust collection box (2) is provided with door plant (3) that opens and shuts, the both ends inboard of dust collection box (2) is provided with radiator panel (5), the upper end dust absorption pipeline through-hole department of dust collection box (2) is provided with dust absorption extension pipeline (8), the outside of dust absorption extension pipeline (8) is located and is provided with fixed stay post (1) on dust collection box (2), the upper end week of fixed stay post (1) is provided with flexible extension plate (6), the outer end of flexible extension plate (6) is provided with the fixed cover of centre gripping (7), dust collection box (2) and external power source electric connection.
2. The dust removing device with clamping function for cable plugging device according to claim 1, characterized in that: flexible extension plate (6) are including fixed lagging (61), flexible regulating plate (62), positioning bolt (63) and position sleeve ring (64), the left end of fixed lagging (61) is provided with position sleeve ring (64), the inboard of position sleeve ring (64) is provided with locking bolt (65), the inside of fixed lagging (61) is provided with flexible regulating plate (62), the junction of fixed lagging (61) and flexible regulating plate (62) is provided with positioning bolt (63), position sleeve ring (64) is through locking bolt (65) fixed connection on fixed stay post (1).
3. The dust removing device with clamping function for cable plugging device according to claim 1, characterized in that: fixed stay post (1) is including movable sleeve (11), upper end stand (12), fixed stand (13) and supporting plate (14), the upper end of fixed stand (13) is provided with upper end stand (12), the week side of upper end stand (12) is provided with movable sleeve (11), the outer wall of movable sleeve (11) is provided with supporting plate (14), supporting plate (14) fixed connection is on flexible extension plate (6).
4. The dust removing device with clamping function for cable plugging device according to claim 1, characterized in that: the fixed cover of centre gripping (7) is including fixed bolt post (71), pull pole (72), the fixed lantern ring (73), inlay solid fixed ring (74) and connecting bolt (75), the lower extreme of fixed bolt post (71) is provided with pulls pole (72), the lower extreme that pulls pole (72) is provided with the fixed lantern ring (73), the lower extreme inboard of fixed lantern ring (73) is provided with inlays solid fixed ring (74), the junction of fixed lantern ring (73) and the solid fixed ring of inlaying (74) is provided with connecting bolt (75), fixed bolt post (71) fixed connection is on flexible extension plate (6), the fixed lantern ring (73) with inlay solid fixed ring (74) through connecting bolt (75) fixed connection on dust absorption extension pipeline (8).
5. The dust removing device with clamping function for cable plugging device according to claim 1, characterized in that: the maximum telescopic stroke of the telescopic extension plate (6) is the same as the maximum pulling extension length of the dust collection extension pipeline (8).
6. The dust removing device with clamping function for cable plugging device according to claim 1, characterized in that: the dust collection box body (2) is fixedly connected with the movable wheel base (4) in a welding mode, and the outer sides of the connection part of the dust collection box body (2) and the movable wheel base (4) are positioned on the same straight line.
7. The dust removing device with clamping function for cable plugging device according to claim 1, characterized in that: the dust collection box body (2) is fixedly connected with the dust collection extension pipeline (8) through a screw, and a sealing rubber ring is arranged at the joint of the dust collection box body (2) and the dust collection extension pipeline (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304901.8U CN215656839U (en) | 2021-09-23 | 2021-09-23 | Cable plugging device dust collector with clamping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304901.8U CN215656839U (en) | 2021-09-23 | 2021-09-23 | Cable plugging device dust collector with clamping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215656839U true CN215656839U (en) | 2022-01-28 |
Family
ID=79965555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122304901.8U Expired - Fee Related CN215656839U (en) | 2021-09-23 | 2021-09-23 | Cable plugging device dust collector with clamping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215656839U (en) |
-
2021
- 2021-09-23 CN CN202122304901.8U patent/CN215656839U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215656839U (en) | Cable plugging device dust collector with clamping function | |
| CN213213385U (en) | Solar panel with mobile monitoring system | |
| CN2591814Y (en) | Adjustable supporting device | |
| CN212900146U (en) | Comprehensive support and hanger frame for comprehensive arrangement technology of large public building installation engineering pipelines | |
| CN212226614U (en) | Exempt from to punch installation camera | |
| CN206246825U (en) | A kind of communication cable ditch inner cable support | |
| CN219245441U (en) | Bridge health monitoring device based on solar power generation | |
| CN210628943U (en) | Saddle-shaped pulley special for cable laying in well | |
| CN112186623B (en) | Working method of hot-line connection branch wiring combination tool | |
| CN204864318U (en) | Multifunctional transfusion rack | |
| CN217713920U (en) | Pipeline fixing device for municipal gas engineering | |
| CN218514050U (en) | Portable cable unwrapping wire support | |
| CN212368214U (en) | Trap lamp convenient to installation | |
| CN212460144U (en) | Optical fiber pipe penetrating device for installing wireless communication private network equipment | |
| CN219203940U (en) | Auxiliary wiring device for electric power communication | |
| CN218217226U (en) | Solar photovoltaic equipment mounting rack | |
| CN214848044U (en) | Power grid transformer rack | |
| CN220933035U (en) | Wire detection fixing clamp | |
| CN213865082U (en) | Uncovering device for inspection well difficult to open | |
| CN220354672U (en) | Hot water pipeline installation device for household heating | |
| CN216215669U (en) | Convenient type heater waterproof terminal box | |
| CN213257578U (en) | High-safety automatic lead-free tin melting furnace | |
| CN209472362U (en) | It is a kind of for installing the fixation device of thunder resisting equipment | |
| CN214887485U (en) | Anchor plate for mounting wind turbine generator | |
| CN210898342U (en) | Multifunctional temporary cable hanging device |
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: 20220128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |