CN215924006U - Tear rope coiling device - Google Patents

Tear rope coiling device Download PDF

Info

Publication number
CN215924006U
CN215924006U CN202121534260.9U CN202121534260U CN215924006U CN 215924006 U CN215924006 U CN 215924006U CN 202121534260 U CN202121534260 U CN 202121534260U CN 215924006 U CN215924006 U CN 215924006U
Authority
CN
China
Prior art keywords
sliding
transmission
guide rail
plate
shaped
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
CN202121534260.9U
Other languages
Chinese (zh)
Inventor
王允
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.)
Changshu Xiangtai Photoelectric Material Co ltd
Original Assignee
Changshu Xiangtai Photoelectric Material Co ltd
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 Changshu Xiangtai Photoelectric Material Co ltd filed Critical Changshu Xiangtai Photoelectric Material Co ltd
Priority to CN202121534260.9U priority Critical patent/CN215924006U/en
Application granted granted Critical
Publication of CN215924006U publication Critical patent/CN215924006U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transmission Devices (AREA)

Abstract

The utility model provides a tearing rope coiling device, which comprises a supporting shell; the supporting shell adopts a rectangular shell structure with one semicircular side, and mounting blocks are symmetrically arranged at the front and the back of the left side of the bottom of the supporting shell; the fixed guide rail adopts a rectangular rod structure, and the top of the fixed guide rail is provided with a sliding connection groove with a T-shaped section. Because of removing spacing and transmission shaft meshing transmission, and remove the inclined plane on the spacing and the protruding contact of wedge of sliding plate, the right side of sliding plate slides and sets up the inboard at the fixed disk, positive and negative rotatory transmission shaft, remove spacing can follow transmission shaft reciprocating motion about, remove spacing and remove the sliding plate and outwards strut, can compress tightly the rope of tearing after the lapping, avoid tearing the rope of lapping to scatter, remove spacing and remove the sliding plate inwards to shrink left, be convenient for tear the unloading of rope after the lapping, and then can effectually improve the lapping effect of tearing the rope.

Description

Tear rope coiling device
Technical Field
The utility model belongs to the technical field of tearing rope coiling, and particularly relates to a tearing rope coiling device.
Background
The tearing rope has a strong tensile effect, can be used for cables, life strapping and the like, can be torn to use when the tensile effect is good, and needs to be coiled when the tearing rope is manufactured, so that the coiling device for the tearing rope is needed.
Based on the above, the present inventors found that the following problems exist in use:
one is that when the existing tearing rope coiling device takes off the thread tearing rope, the tearing rope is generally directly taken off, so that the coiled tearing rope is easily scattered, and further the rate of finished products of the tearing rope coiling is influenced.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a tear rope winding device is provided to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, the present invention provides a tear tape winding device, which solves the problems that the existing tear tape winding device directly removes a thread tear tape, which is easily scattered to affect the rate of finished products of the tear tape winding, and the wound tear tape is easily loosened due to a low winding speed when the tear tape is produced fast.
The utility model relates to a device for rolling a tearing rope, which has the purpose and the effect and is achieved by the following specific technical means:
a rip cord spooling apparatus comprising a support housing; the supporting shell adopts a rectangular shell structure with one semicircular side, and mounting blocks are symmetrically arranged at the front and the back of the left side of the bottom of the supporting shell;
the fixed guide rail adopts a rectangular rod structure, and the top of the fixed guide rail is provided with a sliding connection groove with a T-shaped section.
Further, the fixed guide rail includes:
limit switches are symmetrically arranged on the front and back of the inner side of the sliding connecting groove on the fixed guide rail, and one side of the bottom of the fixed guide rail is provided with a rack structure;
the movable rack is of a square tubular structure, a connecting block with an inverted T-shaped cross section is arranged at the bottom of the movable rack, a driving motor is arranged inside the connecting block, a gear is arranged on a rotating shaft of the driving motor and meshed with a rack structure of a fixed guide rail for transmission, and four transverse idler wheels and longitudinal idler wheels are arranged on the inner side of the top of the movable rack.
Further, the fixed disk comprises:
the fixed disc adopts a circular block structure, the front end of the fixed disc is annularly provided with five connecting grooves, the cross sections of the connecting grooves are of a cross structure, a circular hole is formed in the middle of the fixed disc, the position of the circular hole corresponds to the position of the circular hole in the transmission block, and the diameter of the circular hole in the fixed disc is the same as that of the circular hole in the transmission block;
the transmission shaft, the transmission shaft front end outside is provided with the screw thread, and the rear side of transmission shaft runs through the circular port of fixed disk and transmission piece.
Further, the support housing includes:
a circular hole is formed in the front end of the left side of the supporting shell, a servo motor is arranged on the inner side of the supporting shell, and a small belt wheel is arranged on a rotating shaft of the servo motor;
the transmission block adopts a shaft-shaped structure with a T-shaped vertical section, a circular hole is formed in the middle of the transmission block, one end of the outer side of the transmission block is rotatably connected to the inner side of the support shell, a large belt wheel is arranged on the outer side of the transmission block, and the large belt wheel and the small belt wheel are in transmission connection through a belt;
the front end of the transmission block is provided with a fixed disc.
Further, the sliding connection rod adopts a rectangular rod structure, the upper portion and the lower portion of the front end of the sliding connection rod are symmetrically provided with a connecting groove, the inner side of the limiting groove is provided with a supporting column, the middle position of the sliding connection rod is provided with a transverse rod, the left end and the right end of the transverse rod are connected with idler wheels in a rotating mode, and an L-shaped plate is arranged at the bottom of the left side of the transverse rod and contacts with the idler wheels.
Further, the sliding connecting rod comprises: the sliding connection frame is of a rectangular rod-shaped structure and is provided with two positions, the sliding connection frame at the top is provided with four rotating connection seats, the sliding connection frame at the bottom is provided with three rotating connection seats, and the rotating connection seats are provided with connection rollers;
the middle position of the front end of the supporting shell is provided with a fixed guide rail.
Further, the fixed disk comprises:
the movable limiting frame is of a pentagonal-like block structure, a threaded hole is formed in the middle of the movable limiting frame and is in meshed transmission with the outer side of the transmission shaft, five groups of limiting connecting plates are arranged on the outer side of the movable limiting frame in an annular mode, and one side of each limiting connecting plate is an inclined plane;
the sliding plate is of an arc-shaped plate structure, the front end and the rear end of the sliding plate are higher than the middle position, a rectangular plate is arranged on one side of the sliding plate, two wedge-shaped bulges are symmetrically arranged on two sides of the rectangular plate, a cross-shaped sliding block is fixedly arranged at the top of the sliding plate, the sliding plate is provided with two parts and is arranged in a connecting groove of the fixed plate in a sliding mode, and the inclined surface of the upper limiting connecting plate of the movable limiting frame is in contact with the wedge-shaped bulges;
the right side of the supporting shell is fixedly provided with a sliding connecting rod.
Compared with the prior art, the utility model has the following beneficial effects:
the arrangement of the movable limiting frame and the sliding plate is favorable for improving the practicability of the coiling device, the movable limiting frame is in meshing transmission with the transmission shaft, the inclined plane on the movable limiting frame is in contact with the wedge-shaped bulges of the sliding plate, the right side of the sliding plate is arranged on the inner side of the fixed disc in a sliding manner, the transmission shaft rotates positively and negatively, the movable limiting frame can move along with the left-right reciprocating motion of the movable limiting frame, the movable limiting frame moves rightwards, the sliding plate is outwards unfolded, otherwise, the sliding plate is inwards contracted, coiling and winding with different inner diameters can be carried out, the sliding plate outwards moves to be unfolded after winding is finished, the coiled tearing rope can be compressed, the coiled tearing rope is prevented from being scattered, when the sliding plate inwards contracts, the coiled tearing rope can be conveniently fed, and the coiling effect of the tearing rope can be effectively improved;
on the other hand, be sliding connection because of between sliding connection pole and the sliding connection frame, and be provided with the spring between sliding connection pole and the sliding connection frame, when tearing the rope and appear taut or not hard up in the data send process, sliding connection frame can the atress reciprocate on sliding connection pole, and the effectual condition of avoiding appearing dragging the fracture and not hard up the winding emergence because of the production process.
Drawings
Fig. 1 is a schematic bottom view of the present invention.
Fig. 2 is a schematic side sectional view of the present invention.
Fig. 3 is a side sectional view of the present invention, partially disassembled.
Fig. 4 is a schematic side sectional view of the stationary guide rail of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a support housing; 101. a transmission block; 2. fixing the disc; 201. a drive shaft; 202. moving the limiting frame; 203. a sliding plate; 3. a sliding connecting rod; 301. a sliding connection frame; 4. fixing the guide rail; 401. a limit switch; 402. and a movable frame.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a tearing rope coiling device, which is characterized in that referring to fig. 1, a supporting shell 1 is provided; the support shell 1 is of a rectangular shell structure with one semicircular side, and mounting blocks are symmetrically arranged on the front side and the rear side of the left side of the bottom of the support shell 1;
fixed guide 4, fixed guide 4 adopt the rectangular pole structure, and fixed guide 4's top is seted up one and is offered the sliding connection groove that the cross-section is T shape.
Referring to fig. 2, the support housing 1 includes: a circular hole is formed in the front end of the left side of the support shell 1, a servo motor is arranged on the inner side of the support shell 1, and a small belt wheel is arranged on a rotating shaft of the servo motor; the transmission block 101 is of a shaft-shaped structure with a T-shaped vertical section, a round hole is formed in the middle of the transmission block 101, one end of the outer side of the transmission block 101 is rotatably connected to the inner side of the support shell 1, a large belt wheel is arranged on the outer side of the transmission block 101, and the large belt wheel is in transmission connection with the small belt wheel through a belt; the front end of the transmission block 101 is provided with a fixed disk 2.
Referring to fig. 3, the fixed tray 2 includes: the fixed disc 2 is of a circular block structure, five connecting grooves are annularly arranged at the front end of the fixed disc 2, the cross section of each connecting groove is of a cross structure, a circular hole is formed in the middle of the fixed disc 2, the position of the circular hole corresponds to the position of the circular hole in the transmission block 101, and the diameter of the circular hole in the fixed disc 2 is the same as that of the circular hole in the transmission block 101; the outer side of the front end of the transmission shaft 201 is provided with threads, and the rear side of the transmission shaft 201 penetrates through the circular holes of the fixed disc 2 and the transmission block 101; fixed disk 2 is including: the movable limiting frame 202 is of a pentagonal-like block structure, a threaded hole is formed in the middle of the movable limiting frame 202 and is in meshed transmission with the outer side of the transmission shaft 201, five groups of limiting connecting plates are annularly arranged on the outer side of the movable limiting frame 202, and one side of each limiting connecting plate is an inclined plane; the sliding plate 203 is of an arc-shaped plate structure, the front end and the rear end of the sliding plate 203 are higher than the middle position, a rectangular plate is arranged on each side of the sliding plate 203, two wedge-shaped protrusions are symmetrically arranged on two sides of the rectangular plate, a cross-shaped sliding block is fixedly arranged at the top of the sliding plate 203, the sliding plate 203 is provided with two positions and is arranged inside a connecting groove of the fixed plate 2 in a sliding mode, and the inclined surface of the limiting connecting plate on the movable limiting frame 202 is in contact with the wedge-shaped protrusions; a sliding connecting rod 3 is fixedly arranged at the right side of the supporting shell 1;
through adopting above-mentioned technical scheme, outwards remove through sliding plate 203 and open, can compress tightly the rope of tearing after the lapping, avoid the rope of tearing after the lapping to scatter, when sliding plate 203 inwards contracts simultaneously, the rope unloading of tearing after the lapping of being convenient for.
Referring to fig. 1, sliding connection rod 3 adopts the rectangular rod structure, and the symmetry is provided with the spread groove about sliding connection rod 3's the front end, and the inboard of this spacing groove is provided with a support column, and sliding connection rod 3's intermediate position is provided with a transverse bar, and both ends all rotate about this transverse bar and are connected with the gyro wheel, and the left side bottom of transverse bar be provided with the L shaped plate and including with gyro wheel contact sliding connection rod 3: the sliding connection frame 301 is of a rectangular rod-shaped structure, the sliding connection frame 301 is provided with two positions, the sliding connection frame 301 at the top is provided with four rotating connection seats, the sliding connection frame 301 at the bottom is provided with three rotating connection seats, and the rotating connection seats are all provided with connection rollers; a fixed guide rail 4 is arranged at the middle position of the front end of the support shell 1;
through adopting above-mentioned technical scheme, be provided with the spring between sliding connection pole 3 and the sliding connection frame 301, when tearing the rope take-up or not hard up appear when the conveying, sliding connection frame 301 can be atress reciprocate on sliding connection pole 3, can effectually avoid appearing dragging the fracture and not hard up winding condition emergence because of the production process.
Referring to fig. 4, the fixed rail 4 includes: the inner sides of the sliding connecting grooves on the fixed guide rail 4 are symmetrically provided with limit switches 401 front and back, and one side of the bottom of the fixed guide rail 4 is provided with a rack structure; the moving frame 402 is of a square tubular structure, a connecting block with an inverted T-shaped cross section is arranged at the bottom of the moving frame 402, a driving motor is arranged inside the connecting block, a rotating shaft of the driving motor is provided with a gear, the gear is in meshing transmission with a rack structure of the fixed guide rail 4, and four transverse rollers and four longitudinal rollers are arranged on the inner side of the top of the moving frame 402;
through adopting above-mentioned technical scheme, the inside driving motor of removal frame 402 cooperates with limit switch 401, and just reversing and the meshing of rack structure of accessible gear drive and remove frame 402 at fixed guide 4's top left and right reciprocating motion, and then improve and tear the winding even effect of rope behind the lapping.
The specific use mode and function of the embodiment are as follows:
when the utility model is used, firstly, the tearing rope passes through the bottom of the roller on the right side of the transverse rod, then the tearing rope is arranged in an S-shaped staggered manner from the rollers on the two sliding connecting frames 301, extends out of the roller on the left side of the transverse rod on the sliding connecting rod 3, and is wound on the outer side of the sliding plate 203 through the staggered roller on the top of the moving frame 402, the small belt wheel on the servo motor drives the large belt wheel and the transmission block 101 to rotate on the supporting shell 1 through the transmission belt, the transmission block 101 drives the fixed disc 2 and the sliding plate 203 to rotate, so that the tearing rope can be rotated into a coil, because the sliding connecting rod 3 is in sliding connection with the sliding connecting frames 301, and a spring is arranged between the sliding connecting rod 3 and the sliding connecting frames 301, when the tearing rope is tensioned or loosened during transmission, the sliding connecting frames 301 can be forced to move up and down on the sliding connecting rod 3, the rolling device can effectively avoid the situation of tearing, breaking and loosening winding in the production process, the rolling device needs to be taken down after the rolling is finished, the movable limiting frame 202 is in meshed transmission with the transmission shaft 201, the inclined plane on the movable limiting frame 202 is in contact with the wedge-shaped bulge of the sliding plate 203, the right side of the sliding plate 203 is arranged on the inner side of the fixed disc 2 in a sliding manner, when the transmission shaft 201 rotates forwards and backwards, the movable limiting frame 202 can move along with the left-right reciprocating motion, the movable limiting frame 202 moves rightwards to move the sliding plate 203 to move to be outwards propped open, otherwise, the sliding plate 203 contracts inwards, so that the rolling winding with different inner diameters can be carried out, the sliding plate 203 moves outwards to be opened after the winding is finished, the rolled tearing rope can be pressed, the rolled tearing rope is prevented from being scattered, meanwhile, when the sliding plate 203 contracts inwards, the rolling tearing rope after the rolling is convenient to be fed, and the driving motor in the movable frame 402 is matched with the limiting switch 401 in the rolling process, the positive and negative rotation of accessible gear and the meshing of rack structure drive and remove frame 402 and reciprocating motion about fixed guide 4's top, and then improve the even effect of tearing rope winding behind the lapping.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. A tear rope coiling apparatus, comprising: the method comprises the following steps:
a support housing; the supporting shell adopts a rectangular shell structure with one semicircular side, and mounting blocks are symmetrically arranged at the front and the back of the left side of the bottom of the supporting shell;
the fixed guide rail adopts a rectangular rod structure, and the top of the fixed guide rail is provided with a sliding connection groove with a T-shaped section.
2. The rip cord reel apparatus of claim 1, wherein: the support housing includes:
a circular hole is formed in the front end of the left side of the supporting shell, a servo motor is arranged on the inner side of the supporting shell, and a small belt wheel is arranged on a rotating shaft of the servo motor;
the transmission block adopts a shaft-shaped structure with a T-shaped vertical section, a circular hole is formed in the middle of the transmission block, one end of the outer side of the transmission block is rotatably connected to the inner side of the support shell, a large belt wheel is arranged on the outer side of the transmission block, and the large belt wheel and the small belt wheel are in transmission connection through a belt;
the front end of the transmission block is provided with a fixed disc.
3. The rip cord reel apparatus of claim 2 wherein: the fixed disk comprises:
the fixed disc adopts a circular block structure, the front end of the fixed disc is annularly provided with five connecting grooves, the cross sections of the connecting grooves are of a cross structure, a circular hole is formed in the middle of the fixed disc, the position of the circular hole corresponds to the position of the circular hole in the transmission block, and the diameter of the circular hole in the fixed disc is the same as that of the circular hole in the transmission block;
the transmission shaft, the transmission shaft front end outside is provided with the screw thread, and the rear side of transmission shaft runs through the circular port of fixed disk and transmission piece.
4. A rip cord reel as claimed in claim 3, wherein: the fixed disk comprises:
the movable limiting frame is of a pentagonal-like block structure, a threaded hole is formed in the middle of the movable limiting frame and is in meshed transmission with the outer side of the transmission shaft, five groups of limiting connecting plates are arranged on the outer side of the movable limiting frame in an annular mode, and one side of each limiting connecting plate is an inclined plane;
the sliding plate is of an arc-shaped plate structure, the front end and the rear end of the sliding plate are higher than the middle position, a rectangular plate is arranged on one side of the sliding plate, two wedge-shaped bulges are symmetrically arranged on two sides of the rectangular plate, a cross-shaped sliding block is fixedly arranged at the top of the sliding plate, the sliding plate is provided with two parts and is arranged in a connecting groove of the fixed plate in a sliding mode, and the inclined surface of the upper limiting connecting plate of the movable limiting frame is in contact with the wedge-shaped bulges;
the right side of the supporting shell is fixedly provided with a sliding connecting rod.
5. The rip cord reel apparatus of claim 4 wherein: the sliding connection rod adopts a rectangular rod structure, the upper portion and the lower portion of the front end of the sliding connection rod are symmetrically provided with connecting grooves, the inner side of each limiting groove is provided with a supporting column, a transverse rod is arranged at the middle position of the sliding connection rod, the left end and the right end of the transverse rod are connected with idler wheels in a rotating mode, and an L-shaped plate is arranged at the bottom of the left side of the transverse rod and contacts with the idler wheels.
6. The rip cord reel apparatus of claim 5 wherein: the sliding connection rod comprises:
the sliding connection frame is of a rectangular rod-shaped structure and is provided with two positions, the sliding connection frame at the top is provided with four rotating connection seats, the sliding connection frame at the bottom is provided with three rotating connection seats, and the rotating connection seats are provided with connection rollers;
the middle position of the front end of the supporting shell is provided with a fixed guide rail.
7. The rip cord reel apparatus of claim 6, wherein: the fixed guide rail comprises:
limit switches are symmetrically arranged on the front and back of the inner side of the sliding connecting groove on the fixed guide rail, and one side of the bottom of the fixed guide rail is provided with a rack structure;
the movable rack is of a square tubular structure, a connecting block with an inverted T-shaped cross section is arranged at the bottom of the movable rack, a driving motor is arranged inside the connecting block, a gear is arranged on a rotating shaft of the driving motor and meshed with a rack structure of a fixed guide rail for transmission, and four transverse idler wheels and longitudinal idler wheels are arranged on the inner side of the top of the movable rack.
CN202121534260.9U 2021-07-07 2021-07-07 Tear rope coiling device Expired - Fee Related CN215924006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121534260.9U CN215924006U (en) 2021-07-07 2021-07-07 Tear rope coiling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121534260.9U CN215924006U (en) 2021-07-07 2021-07-07 Tear rope coiling device

Publications (1)

Publication Number Publication Date
CN215924006U true CN215924006U (en) 2022-03-01

Family

ID=80400746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121534260.9U Expired - Fee Related CN215924006U (en) 2021-07-07 2021-07-07 Tear rope coiling device

Country Status (1)

Country Link
CN (1) CN215924006U (en)

Similar Documents

Publication Publication Date Title
CN104418158A (en) Device for precision winding of welding wire
CN215924006U (en) Tear rope coiling device
CN117945220B (en) Wire winding device for electric power
CN211496369U (en) I-shaped wheel type stainless steel wire winding device
CN212315171U (en) Cable winding device
CN117219454A (en) Winding equipment for film capacitor
CN210333820U (en) Copper composite belt winding device
CN216105397U (en) Cable winding and unwinding devices that electromechanical engineering facilitates use
CN217172739U (en) Raw material stabilizing tool for welding wire equipment
CN114890245A (en) Bare copper wire is deposited with bundling coiling mechanism
CN206069016U (en) Material-receiving system and reverse osmosis membrane production equipment
CN214166960U (en) Coiler wire pressing device with protection mechanism
CN213568852U (en) Signal wire collecting and processing device
CN212668684U (en) Surface coiling mechanism device
CN110589614B (en) Wire coil transfer device
CN211279722U (en) Carbon fiber pipe material winding device
CN218144928U (en) Divide strip machine convenient to unload
CN218434275U (en) Rewinding device for producing silicon-calcium alloy core-spun yarn
CN216235060U (en) Non-alloy thin strip winding structure for iron core production
CN221459517U (en) Cable drum convenient to cable receive and releases
CN219078726U (en) Reel for welding wire equipment
CN218057965U (en) Cotton yarn winding drum convenient to mount and dismount quickly
CN220519786U (en) Wire rod production take-up
CN215248763U (en) Coiling mechanism is used in wire and cable production
JP2715008B2 (en) Removal device for the take-up shaft of toilet paper

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: 20220301

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