CN213770930U - Communication cable winding and unwinding devices for communication engineering - Google Patents

Communication cable winding and unwinding devices for communication engineering Download PDF

Info

Publication number
CN213770930U
CN213770930U CN202022746336.6U CN202022746336U CN213770930U CN 213770930 U CN213770930 U CN 213770930U CN 202022746336 U CN202022746336 U CN 202022746336U CN 213770930 U CN213770930 U CN 213770930U
Authority
CN
China
Prior art keywords
unwinding
winding
cable
adjusting
gear
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
Application number
CN202022746336.6U
Other languages
Chinese (zh)
Inventor
刘发挥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202022746336.6U priority Critical patent/CN213770930U/en
Application granted granted Critical
Publication of CN213770930U publication Critical patent/CN213770930U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

The utility model discloses a communication cable winding and unwinding devices for communication engineering, receive and unwind drive arrangement, cable winding and unwinding adjusting device, cable winding and unwinding strutting arrangement and device base including the cable. The utility model belongs to the technical field of the cable winding and unwinding devices, specifically a communication cable winding and unwinding devices for communication engineering, through setting up cable winding and unwinding drive arrangement, cable winding and unwinding adjusting device, cable winding and unwinding strutting arrangement and device base have improved communication cable winding and unwinding devices's for communication engineering work efficiency, the carousel diameter that centers on when receiving and unwinding for adjustable cable, practice thrift the cable and occupy the volume, the high automation level's that can receive and unwind cables communication cable winding and unwinding devices for communication engineering provides probably automatically, communication cable winding and unwinding devices for communication engineering's use experience has been improved, the cost of communication cable winding and unwinding devices for communication engineering maintenance has been reduced, effectively solved communication cable winding and unwinding devices for communication engineering inefficiency and maintain comparatively inconvenient problem on the existing market.

Description

Communication cable winding and unwinding devices for communication engineering
Technical Field
The utility model belongs to the technical field of the cable winding and unwinding devices, specifically indicate a communication cable winding and unwinding devices for communication engineering.
Background
The communication cable is a cable for transmitting telephone, telegraph, facsimile document, television and radio program, data and other electric signals, and is formed by twisting more than one pair of mutually insulated conducting wires. In addition, a series of existing coiling and uncoiling devices for assisting in coiling and uncoiling cables are presented for the convenience of using the cables, however, in the using process of the existing communication cable coiling and uncoiling devices, the diameter of a turntable around which the cables are coiled and uncoiled cannot be adjusted, so that the occupied volume of the collected cables is too large when large-diameter cables are uncoiled, and the coiling and uncoiling effect is not good when small-diameter cables and short-length cables are uncoiled, so that the working efficiency and the use experience are reduced to a certain extent; and the existing communication cable winding and unwinding device needs to manually operate the crank for winding and unwinding, so that the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a communication cable winding and unwinding devices for communication engineering has improved communication cable winding and unwinding devices for communication engineering's work efficiency, and the carousel diameter that centers on when receiving and releasing for adjustable cable, saving cable occupy the volume, can receive and release the high automation level communication cable winding and unwinding devices for communication engineering of cable automatically provides probably, has improved communication cable winding and unwinding devices for communication engineering's use and has experienced, has reduced the cost that communication cable winding and unwinding devices for communication engineering maintained. The service life of the communication cable winding and unwinding device for the communication engineering is prolonged, and the problems that the communication cable winding and unwinding device for the communication engineering in the current market is low in efficiency, complex in structure and inconvenient to maintain are effectively solved.
The utility model adopts the following technical scheme: the utility model relates to a communication cable winding and unwinding device for communication engineering, which comprises a cable winding and unwinding driving device, a cable winding and unwinding adjusting device, a cable winding and unwinding supporting device and a device base, wherein the cable winding and unwinding driving device is arranged on the upper bottom wall of the cable winding and unwinding driving device, the cable winding and unwinding adjusting device is arranged on the cable winding and unwinding adjusting device, the cable winding and unwinding driving device comprises a rear side supporting vertical plate, a winding and unwinding driving turntable, a guiding convex tooth, a winding and unwinding driving gear, a winding and unwinding gear driving shaft, a winding and unwinding gear supporting plate, a winding and unwinding gear driving motor, a rear side main rotating shaft, a winding and unwinding adjusting driving gear, a winding and unwinding adjusting motor, the rear side supporting vertical plate is fixedly connected on the upper bottom wall of the device base, the rear side main rotating shaft is rotatably arranged on the rear side supporting vertical, receive and release the drive carousel rigid coupling in the main axis of rotation of rear side, the direction dogtooth encircles and locates on the lateral wall of receiving and releasing the drive carousel, receive and release the gear backup pad rigid coupling on the last diapire of device base, receive and release the gear drive shaft and run through to rotate and locate between the receive and release gear backup pad, receive and release the gear drive motor and locate on receiving and releasing the gear drive shaft, receive and release drive gear and run through the rigid coupling in receiving and releasing the gear drive shaft, receive and release the adjusting device drive shaft and rotate and locate on receiving and releasing the drive carousel, receive and release the adjusting drive gear and run through the rigid coupling in receiving and releasing the adjusting device drive shaft, receive and release the adjusting motor and locate in receiving and releasing the adjusting device drive shaft.
Further, the cable winding and unwinding adjusting device comprises a winding and unwinding adjusting device driven shaft, a winding and unwinding adjusting driven gear, a first swing rod, a second swing rod, a winding and unwinding adjusting sliding block, a winding and unwinding adjusting sliding guide plate and a sliding guide groove, wherein the winding and unwinding adjusting device driven shaft is rotatably arranged on the winding and unwinding driving turntable, the winding and unwinding adjusting driven gear penetrates and is fixedly connected to the winding and unwinding adjusting device driven shaft, the winding and unwinding adjusting sliding guide plate is fixedly connected to the winding and unwinding driving turntable, the sliding guide groove is arranged on the winding and unwinding adjusting sliding guide plate, the winding and unwinding adjusting sliding block is slidably embedded in the sliding guide groove, the first swing rod penetrates and is fixedly connected to the winding and unwinding adjusting device driven shaft, one end of the second swing rod is hinged to the first swing rod, and the other end of the second swing rod is hinged to the winding and unwinding adjusting sliding block.
Further, cable receive and releases strutting arrangement includes waist type groove, front side support riser, front side main axis of rotation, cable receive and release limit baffle and diameter adjustment connecting rod, front side support riser rigid coupling is on the upper wall of device base, front side main axis of rotation rotates and locates on the front side support riser, cable receive and release limit baffle rigid coupling is on front side main axis of rotation, waist type groove runs through and locates on cable receive and release limit baffle, the waist type inslot is located to the slip gomphosis of one end of diameter adjustment connecting rod, the other end rigid coupling of diameter adjustment connecting rod is on receiving and releasing the lateral wall of adjusting the sliding block.
Furthermore, the guide convex teeth are in clamping transmission connection with the retractable driving gear.
Furthermore, the retraction adjusting driven gear is in meshed connection with the retraction adjusting driving gear.
Furthermore, two groups of retractable gear supporting plates are arranged.
Furthermore, the cable winding and unwinding adjusting device is provided with five groups.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the communication cable winding and unwinding device for the communication engineering improves the working efficiency of the communication cable winding and unwinding device for the communication engineering by arranging the cable winding and unwinding driving device, the cable winding and unwinding adjusting device, the cable winding and unwinding supporting device and the device base, and provides possibility for adjusting the diameter of a turntable around when a cable is wound and unwound, saving the occupied volume of the cable, and automatically winding and unwinding the communication cable winding and unwinding device for the communication engineering with high automation level, so that the use experience of the communication cable winding and unwinding device for the communication engineering is improved, and the maintenance cost of the communication cable winding and unwinding device for the communication engineering is reduced. The service life of the communication cable winding and unwinding device for the communication engineering is prolonged, and the problems that the communication cable winding and unwinding device for the communication engineering in the current market is low in efficiency, complex in structure and inconvenient to maintain are effectively solved.
Drawings
Fig. 1 is a front view of the communication cable winding and unwinding device for communication engineering of the present invention;
fig. 2 is a front sectional view of the communication cable winding and unwinding device for communication engineering of the present invention;
fig. 3 is a left side view of the cable winding and unwinding driving device of the communication cable winding and unwinding device for communication engineering of the present invention;
fig. 4 is a partially enlarged view of a portion a of fig. 2.
Wherein, 1, a cable winding and unwinding driving device, 2, a cable winding and unwinding adjusting device, 3, a cable winding and unwinding supporting device, 4, a device base, 5, a rear side supporting vertical plate, 6, a winding and unwinding driving turntable, 7, a guiding convex tooth, 8, a winding and unwinding driving gear, 9, a winding and unwinding gear driving shaft, 10, a winding and unwinding gear supporting plate, 11, a winding and unwinding gear driving motor, 12, a rear side main rotating shaft, 13, a winding and unwinding adjusting device driving shaft, 14, the device comprises a retraction adjusting driving gear 15, a retraction adjusting motor 16, a retraction adjusting device driven shaft 17, a retraction adjusting driven gear 18, a first swing rod 19, a second swing rod 20, a retraction adjusting sliding block 21, a retraction adjusting sliding guide plate 22, a sliding guide groove 23, a waist-shaped groove 24, a front side supporting vertical plate 25, a front side main rotating shaft 26, a cable retraction limiting baffle 27 and a diameter adjusting connecting rod.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the communication cable reeling and unreeling device for communication engineering of the utility model comprises a cable reeling and unreeling driving device 1, a cable reeling and unreeling adjusting device 2, a cable reeling and unreeling supporting device 3 and a device base 4, wherein the cable reeling and unreeling driving device 1 is arranged on the upper bottom wall of the cable reeling and unreeling driving device 1, the cable reeling and unreeling adjusting device 2 is arranged on the cable reeling and unreeling driving device 1, the cable reeling and unreeling supporting device 3 is arranged on the cable reeling and unreeling adjusting device 2, the cable reeling and unreeling driving device 1 comprises a rear side supporting vertical plate 5, a reeling and unreeling driving turntable 6, a guiding convex tooth 7, a reeling and unreeling driving gear 8, a reeling and unreeling gear driving shaft 9, a reeling and unreeling gear supporting plate 10, a reeling and unreeling gear driving motor 11, a rear side main rotating shaft 12, a reeling and unreeling adjusting device driving shaft 13, a reeling and adjusting driving gear 14 and unreeling and adjusting motor 15, the rear side supporting vertical plate 5 is fixedly connected to the upper bottom wall of the device base 4, the rear main rotating shaft 12 is rotatably arranged on the rear supporting vertical plate 5, the retractable driving turntable 6 is fixedly connected to the rear main rotating shaft 12, the guide convex teeth 7 are arranged on the outer side wall of the retractable driving turntable 6 in a surrounding manner, the retractable gear supporting plate 10 is fixedly connected to the upper bottom wall of the device base 4, the retractable gear driving shaft 9 is rotatably arranged between the retractable gear supporting plates 10 in a penetrating manner, the retractable gear driving motor 11 is arranged on the retractable gear driving shaft 9, the retractable driving gear 8 is fixedly connected to the retractable gear driving shaft 9 in a penetrating manner, the retractable adjusting device driving shaft 13 is rotatably arranged on the retractable driving turntable 6, the retractable adjusting driving gear 14 is fixedly connected to the retractable adjusting device driving shaft 13 in a penetrating manner, and the retractable adjusting motor 15 is arranged on the retractable adjusting device driving shaft 13.
The cable retraction adjusting device 2 comprises a retraction adjusting device driven shaft 16, a retraction adjusting driven gear 17, a first swing rod 18, a second swing rod 19, a retraction adjusting sliding block 20, a retraction adjusting sliding guide plate 21 and a sliding guide groove 22, the retraction adjusting device driven shaft 16 is rotatably arranged on the retraction driving turntable 6, the retraction adjusting driven gear 17 penetrates through and is fixedly connected to the retraction adjusting device driven shaft 16, the retraction adjusting sliding guide plate 21 is fixedly connected to the retraction driving turntable 6, the sliding guide groove 22 is arranged on the retraction adjusting sliding guide plate 21, the retraction adjusting sliding block 20 is arranged in the sliding guide groove 22 in a sliding embedding way, the first swing rod 18 penetrates through and is fixedly connected to the retraction adjusting device driven shaft 16, one end of the second swing rod 19 is hinged on the first swing rod 18, and the other end of the second swing rod 19 is hinged on the retraction adjusting sliding block 20.
The cable winding and unwinding supporting device 3 comprises a waist-shaped groove 23, a front side supporting vertical plate 24, a front side main rotating shaft 25, a cable winding and unwinding limiting baffle 26 and a diameter adjusting connecting rod 27, the front side supporting vertical plate 24 is fixedly connected to the upper bottom wall of the device base 4, the front side main rotating shaft 25 is rotatably arranged on the front side supporting vertical plate 24, the cable winding and unwinding limiting baffle 26 is fixedly connected to the front side main rotating shaft 25, the waist-shaped groove 23 penetrates through the cable winding and unwinding limiting baffle 26, one end of the diameter adjusting connecting rod 27 is slidably embedded in the waist-shaped groove 23, and the other end of the diameter adjusting connecting rod 27 is fixedly connected to the outer side wall of the winding and unwinding adjusting sliding block 20.
The guide convex teeth 7 are in clamping transmission connection with the retraction driving gear 8.
The retraction adjusting driven gear 17 is in meshed connection with the retraction adjusting driving gear 14.
Two groups of retractable gear supporting plates 10 are arranged.
The cable winding and unwinding adjusting device 2 is provided with five groups.
When the device is used, a user starts the retraction adjusting motor 15, then the retraction adjusting device driving shaft 13 rotates to drive the retraction adjusting driving gear 14 to rotate, then the retraction adjusting driven gear 17 rotates to drive the retraction adjusting device driven shaft 16 to rotate, then the first swing rod 18 rotates synchronously with the retraction adjusting device driven shaft 16 to drive the second swing rod 19 to swing along with the first swing rod, then the retraction adjusting sliding block 20 slides along the sliding guide groove 22, then the diameter adjusting connecting rod 27 moves synchronously with the retraction adjusting sliding block 20, at the moment, the other end pressed by the diameter adjusting connecting rod 27 slides along the waist-shaped groove 23, then the diameter adjusting connecting rods 27 on the five groups of cable retraction adjusting devices 2 move together, the purpose of adjusting the diameter of the cable winding center is achieved, cables are wound on the outer sides of the five groups of diameter adjusting connecting rods 27, the retraction gear driving motor 11 is started, then direction dogtooth 7 rotates along with it, drives to receive and release drive carousel 6 and centers on rear side main axis of rotation 12 and rotates, then cable receive and release adjusting device 2 and rotate along with it, drives diameter regulation connecting rod 27 and rotates along with it, and the cable receives and releases limit baffle 26 and centers on front side main axis of rotation 25 and rotates in step this moment, so the cable lasts the winding on five groups of diameter regulation connecting rod 27, has reached practice thrift the cable and has taken up the volume, can receive and release the purpose of cable automatically, it is above that the utility model discloses holistic work flow, repeat this step when using next time can.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (7)

1. The utility model provides a communication cable winding and unwinding devices for communication engineering which characterized in that: the cable winding and unwinding device comprises a cable winding and unwinding driving device, a cable winding and unwinding adjusting device, a cable winding and unwinding supporting device and a device base, wherein the cable winding and unwinding driving device is arranged on the upper bottom wall of the cable winding and unwinding driving device, the cable winding and unwinding adjusting device is arranged on the cable winding and unwinding adjusting device, the cable winding and unwinding driving device comprises a rear side supporting vertical plate, a winding and unwinding driving turntable, a guide convex tooth, a winding and unwinding driving gear, a winding and unwinding gear driving shaft, a winding and unwinding gear supporting plate, a winding and unwinding gear driving motor, a rear side main rotating shaft, a winding and unwinding adjusting device driving shaft, a winding and unwinding adjusting driving gear and a winding and unwinding adjusting motor, the rear side supporting vertical plate is fixedly connected to the upper bottom wall of the device base, the rear side main rotating shaft is rotatably arranged on the rear side supporting vertical plate, and the winding and unwinding driving turntable is fixedly connected to the rear side main rotating shaft, the direction dogtooth encircles and locates on the lateral wall of receive and release drive carousel, receive and release gear backup pad rigid coupling on the upper wall of device base, receive and release the gear drive shaft and run through to rotate and locate between the receive and release gear backup pad, receive and release gear driving motor locates on receiving and releasing the gear drive shaft, receive and release drive gear runs through the rigid coupling in receiving and releasing the gear drive shaft, receive and release adjusting device drive shaft and rotate and locate on receiving and releasing the drive carousel, receive and release adjusting drive gear runs through the rigid coupling in receiving and releasing adjusting device drive shaft, receive and release adjusting motor and locate in receiving and releasing adjusting device drive shaft.
2. The communication cable reel for communication engineering according to claim 1, characterized in that: the cable winding and unwinding adjusting device comprises a winding and unwinding adjusting device driven shaft, a winding and unwinding adjusting driven gear, a first swing rod, a second swing rod, a winding and unwinding adjusting sliding block, a winding and unwinding adjusting sliding guide plate and a sliding guide groove, the winding and unwinding adjusting device driven shaft is rotatably arranged on a winding and unwinding driving turntable, the winding and unwinding adjusting driven gear penetrates through and is fixedly connected to the winding and unwinding adjusting device driven shaft, the winding and unwinding adjusting sliding guide plate is fixedly connected to the winding and unwinding driving turntable, the sliding guide groove is arranged on the winding and unwinding adjusting sliding guide plate, the winding and unwinding adjusting sliding block is slidably embedded in the sliding guide groove, the first swing rod penetrates through and is fixedly connected to the winding and unwinding adjusting device driven shaft, one end of the second swing rod is hinged to the first swing rod, and the other end of the second swing rod is hinged to the winding and unwinding adjusting sliding block.
3. The communication cable reel for communication engineering according to claim 2, characterized in that: the cable receive and releases strutting arrangement includes waist type groove, front side supporting riser, front side main axis of rotation, cable receive and release limit baffle and diameter adjustment connecting rod, front side supporting riser rigid coupling is on the last diapire of device base, front side main axis of rotation rotates and locates on the front side supporting riser, the cable receives and releases limit baffle rigid coupling in front side main axis of rotation, waist type groove runs through on locating cable receive and releases limit baffle, the waist type inslot is located to the slip gomphosis of one end of diameter adjustment connecting rod, the other end rigid coupling of diameter adjustment connecting rod is on receiving and releasing the lateral wall of adjusting the sliding block.
4. The communication cable reel for communication engineering according to claim 3, wherein: the guide convex teeth are connected with the retractable driving gear in a clamping transmission mode.
5. The communication cable reel for communication engineering according to claim 4, wherein: the retraction adjusting driven gear is in meshed connection with the retraction adjusting driving gear.
6. The communication cable reel for communication engineering according to claim 5, wherein: two groups of retractable gear supporting plates are arranged.
7. The communication cable reel for communication engineering according to claim 6, wherein: the cable winding and unwinding adjusting device is provided with five groups.
CN202022746336.6U 2020-11-24 2020-11-24 Communication cable winding and unwinding devices for communication engineering Expired - Fee Related CN213770930U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022746336.6U CN213770930U (en) 2020-11-24 2020-11-24 Communication cable winding and unwinding devices for communication engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022746336.6U CN213770930U (en) 2020-11-24 2020-11-24 Communication cable winding and unwinding devices for communication engineering

Publications (1)

Publication Number Publication Date
CN213770930U true CN213770930U (en) 2021-07-23

Family

ID=76880695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022746336.6U Expired - Fee Related CN213770930U (en) 2020-11-24 2020-11-24 Communication cable winding and unwinding devices for communication engineering

Country Status (1)

Country Link
CN (1) CN213770930U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113772496A (en) * 2021-08-24 2021-12-10 南京中枢讯飞信息技术有限公司 Winding device suitable for optical fibers with different diameters and winding method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113772496A (en) * 2021-08-24 2021-12-10 南京中枢讯飞信息技术有限公司 Winding device suitable for optical fibers with different diameters and winding method thereof
CN113772496B (en) * 2021-08-24 2024-07-23 深圳航天智控科技有限公司 Winding device suitable for optical fibers with different diameters and winding method thereof

Similar Documents

Publication Publication Date Title
CN213770930U (en) Communication cable winding and unwinding devices for communication engineering
CN220334429U (en) Take-up and pay-off equipment for hydropower construction
CN214003703U (en) Cable winding and unwinding devices for communication engineering winding displacement
CN214069388U (en) Electric wire and cable laying device
CN115231397A (en) Communication cable winding and unwinding devices for computer communication engineering
CN214827977U (en) Steel-cored aluminum strand winding device
CN213707374U (en) Wire and cable take-up device for intelligent communication
CN211295995U (en) Electrician threading auxiliary device
CN115072029A (en) Cable bundling device for grouping data cables
CN212076038U (en) Take-up and pay-off device for cable
CN210973363U (en) Winding machine for cable production
CN210763595U (en) Winding forming equipment for flat cable
CN210884660U (en) Electric wire winding machine
CN108996332B (en) Quick-dismantling wire coiling device for construction site
CN218491148U (en) Winding device for cable
CN217264006U (en) Communication cable winding and unwinding devices for communication engineering
CN214779834U (en) Communication engineering cable winding and unwinding equipment convenient to use
CN215797708U (en) Communication cable winding and unwinding devices
CN216403439U (en) Communication cable winding and unwinding devices for communication engineering
CN217087339U (en) Based on building threading construction equipment for electrical engineering
CN220431863U (en) Cable winder for electric power construction
CN218642185U (en) Cable winding and unwinding equipment for communication engineering
CN219489257U (en) Coiling mechanism for communication cable wiring
CN211018891U (en) Telephone set convenient for taking up
CN218201574U (en) Communication cable winding and unwinding devices for communication engineering

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: 20210723

CF01 Termination of patent right due to non-payment of annual fee