CN112371939A - Power-off protection device of centrifugal casting machine - Google Patents

Power-off protection device of centrifugal casting machine Download PDF

Info

Publication number
CN112371939A
CN112371939A CN202011173618.XA CN202011173618A CN112371939A CN 112371939 A CN112371939 A CN 112371939A CN 202011173618 A CN202011173618 A CN 202011173618A CN 112371939 A CN112371939 A CN 112371939A
Authority
CN
China
Prior art keywords
power
protection device
plate
casting machine
power supply
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.)
Pending
Application number
CN202011173618.XA
Other languages
Chinese (zh)
Inventor
武宏
苏晓峰
杨蕾
王苗
焦渊
刘金颂
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.)
Tongchuan Zhongxing Material Co ltd
Xian University of Architecture and Technology
Original Assignee
Tongchuan Zhongxing Material Co ltd
Xian University of Architecture and Technology
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 Tongchuan Zhongxing Material Co ltd, Xian University of Architecture and Technology filed Critical Tongchuan Zhongxing Material Co ltd
Priority to CN202011173618.XA priority Critical patent/CN112371939A/en
Publication of CN112371939A publication Critical patent/CN112371939A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00Centrifugal casting; Casting by using centrifugal force
    • B22D13/10Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00Centrifugal casting; Casting by using centrifugal force
    • B22D13/12Controlling, supervising, specially adapted to centrifugal casting, e.g. for safety reasons

Abstract

The invention discloses a power-off protection device of a centrifugal casting machine, which comprises a power-off protection device main body assembly, wherein a power supply plugboard is arranged on one side of the power-off protection device main body assembly, a power supply plug is arranged below the power supply plugboard, an auxiliary device is arranged at a position corresponding to the power supply plugboard, the auxiliary device comprises a closed frame, a screw rod, a fixed ring, a movable plate and a limiting plate, and the other side of the power supply plugboard is provided with the closed frame; according to the device, the separation net, the closed frame, the screw rod, the fixed ring, the movable plate, the limiting plate, the sealing block, the silica gel drying agent and the handle are arranged, so that the device can protect the power plugboard when the power plugboard is not used, and can remove moisture, the practicability of the device is improved, and the bottom plate of the device is fixed with the rubber layer below the bottom plate by arranging the bottom plate, the first stretching spring, the movable column, the fixed block, the clamping groove, the pressing plate, the clamping rod, the connecting plate and the second stretching spring, so that the fixing capacity of the device is improved.

Description

Power-off protection device of centrifugal casting machine
Technical Field
The invention belongs to the technical field of centrifugal casting, and particularly relates to a power-off protection device of a centrifugal casting machine.
Background
The centrifugal casting method is a method of molding a tubular or hollow cylindrical product by using centrifugal force. A measured amount of liquid resin or resin dispersion is placed in a rotating mold and allowed to rotate about a single axis at high speed. The material is forced by centrifugal force to distribute near the wall of the mold. While rotating, the put material is cured by heating, and the product can be obtained by cooling or not cooling if necessary.
Chinese patent application No. CN201922034119.1 discloses a power-off protection device for electromechanical devices, which has more sufficient electric quantity and stronger protection force, and when installed outside the electromechanical devices, the power-off protection device will not be affected by the vibration of the electromechanical devices, and the heat dissipation when the power-off protection device is used will not affect the use of the electromechanical devices.
The prior art has the following problems: 1. the power supply plugboard has the problem that the power supply plugboard is easy to enter impurities such as dust and the like to cause damage when not used, so that the practicability of the device is reduced; 2. the above patent has a problem that the device is easily moved due to vibration or the like, thereby reducing the fixing ability of the device.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a power-off protection device of a centrifugal casting machine, which has the characteristics of high practicability and strong fixing capacity.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a power-off protection device of centrifugal casting machine, includes power-off protection device main part subassembly, power supply socket is installed to one side of power-off protection device main part subassembly, power plug is installed to one side of power-off protection device main part subassembly and the position that is located the power supply socket below, auxiliary device is installed with the corresponding position of power socket on the power-off protection device main part subassembly, auxiliary device includes and seals frame, screw rod, solid fixed ring, movable plate and limiting plate, one side that power supply socket kept away from power supply protection device main part subassembly is provided with seals the frame, seal the frame and keep away from one side of power socket and install the movable plate, the equal sliding connection in upper and lower both ends of movable plate has the screw rod, the screw rod is connected with power-off protection device main part subassembly, the solid fixed ring is, one end of the screw, which is far away from the main body assembly of the power-off protection device, is provided with a limiting plate, and a plurality of universal wheels are installed below the main body assembly of the power-off protection device.
Preferably, the screw rod is connected with the limiting plate through threads.
Preferably, the outer side of the fixing ring is provided with an anti-slip sleeve.
Preferably, the inner side of the closed frame is provided with a separation net, one side of the inner side of the closed frame, which is positioned at the separation net and close to the moving plate, is filled with a silica gel desiccant, and the inner side of the moving plate is provided with a sealing block.
Preferably, the material of the separation net is elastic rubber.
Preferably, a handle is arranged on one side, away from the silica gel drying agent, of the sealing block.
Preferably, two fixing devices are respectively arranged on two sides of the main assembly of the power-off protection device and at positions corresponding to the universal wheels, each fixing device comprises a bottom plate, a first extension spring, a moving column, fixing blocks, clamping grooves, a pressing plate, a clamping rod, a connecting plate and a second extension spring, the two fixing blocks are respectively arranged on two sides of the main assembly of the power-off protection device and at positions corresponding to the universal wheels, the pressing plate is arranged above the fixing blocks, the moving column is arranged below the pressing plate and is connected with the fixing blocks in a sliding manner, the bottom plate is arranged below the moving column, the first extension spring is arranged below the fixing blocks and at a position outside the moving column, one end, far away from the fixing blocks, of the first extension spring is connected with the bottom plate, and the connecting plate is arranged on one side, far away from the main assembly of the power, the clamp device is characterized in that a clamping rod is installed on one side, close to the fixed block, of the connecting plate, a second extension spring is arranged on the outer side of the clamping rod, two ends of the second extension spring are respectively connected with the connecting plate and the fixed block, the clamping rod is connected with the fixed block in a sliding mode, a clamping groove is formed in the position, corresponding to the clamping rod, of the pressing plate, and the clamping rod is connected with the clamping groove in a sliding mode.
Preferably, one side of the connecting plate, which is far away from the clamping rod, is provided with a pull ring.
Preferably, a rubber layer is mounted below the bottom plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the partition net, the closed frame, the screw rod, the fixed ring, the movable plate, the limiting plate, the sealing block, the silica gel drying agent and the handle are arranged, so that the device can protect the power plugboard when the power plugboard is not used, and can perform certain dehumidification treatment on the power plugboard, and the practicability of the device is improved.
2. According to the invention, the device can be fixed through the bottom plate and the rubber layer below the bottom plate when needed by arranging the bottom plate, the first extension spring, the moving column, the fixing block, the clamping groove, the pressing plate, the clamping rod, the connecting plate and the second extension spring, so that the fixing capacity of the device is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the auxiliary device according to the present invention;
fig. 3 is a schematic structural view of the fixing device of the present invention.
In the figure: 1. a power-off protection device main body assembly; 2. a power supply plugboard; 3. an auxiliary device; 31. separating the net; 32. sealing the frame; 33. a screw; 34. a fixing ring; 35. moving the plate; 36. a limiting plate; 37. a sealing block; 38. a silica gel desiccant; 39. a handle; 4. a power plug; 5. a fixing device; 51. a base plate; 52. a first extension spring; 53. moving the column; 54. a fixed block; 55. a card slot; 56. pressing a plate; 57. a clamping rod; 58. a connecting plate; 59. a second extension spring; 6. a universal wheel.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: a power-off protection device of a centrifugal casting machine comprises a power-off protection device main body component 1, a power plugboard 2 is installed on one side of the power-off protection device main body component 1, a power plug 4 is installed on one side of the power-off protection device main body component 1 and is positioned below the power plugboard 2, an auxiliary device 3 is installed on the power-off protection device main body component 1 and corresponds to the power plugboard 2, the auxiliary device 3 comprises a closed frame 32, a screw rod 33, a fixed ring 34, a movable plate 35 and a limiting plate 36, the closed frame 32 is arranged on one side of the power plugboard 2, which is far away from the power plugboard 2, the movable plate 35 is installed on one side of the closed frame 32, which is far away from the power plugboard 2, the screw rod 33 is connected with the upper end and the lower end of the movable plate 35 in a sliding manner, the screw rod, one end of the screw 33, which is far away from the main assembly 1 of the power-off protection device, is provided with a limit plate 36, and a plurality of universal wheels 6 are installed below the main assembly 1 of the power-off protection device.
Specifically, the screw 33 is connected with the limit plate 36 through threads,
through adopting above-mentioned technical scheme for can separate when needs between screw rod 33 and the limiting plate 36.
Specifically, the outer side of the fixing ring 34 is provided with an anti-slip sleeve,
by adopting the technical scheme, the phenomenon of hand slip when the fixing ring 34 is used is prevented.
Specifically, the partition net 31 is installed inside the closed frame 32, the silica gel desiccant 38 is filled inside the closed frame 32 and on the side of the partition net 31 close to the moving plate 35, the sealing block 37 is installed inside the moving plate 35,
by adopting the technical scheme, the power supply plugboard 2 can be subjected to certain dehumidification treatment.
Specifically, the material of the separation net 31 is elastic rubber,
by adopting the technical scheme, the damage of the separation net 31 and the power plugboard 2 caused by collision is prevented.
In particular, a handle 39 is mounted on the side of the sealing block 37 remote from the silica gel desiccant 38,
by adopting the technical scheme, the sealing block 37 can be operated by a worker through the handle 39, and the convenience in use is improved.
Specifically, two fixing devices 5 are respectively installed on two sides of the main assembly 1 of the power-off protection device and at positions corresponding to the universal wheels 6, each fixing device 5 comprises a bottom plate 51, a first extension spring 52, a moving column 53, a fixing block 54, a clamping groove 55, a pressing plate 56, a clamping rod 57, a connecting plate 58 and a second extension spring 59, two fixing blocks 54 are respectively installed on two sides of the main assembly 1 of the power-off protection device and at positions corresponding to the universal wheels 6, the pressing plate 56 is arranged above the fixing blocks 54, the moving column 53 is installed below the pressing plate 56, the moving column 53 is slidably connected with the fixing blocks 54, the bottom plate 51 is installed below the moving column 53, the first extension spring 52 is installed below the fixing blocks 54 and at a position outside the moving column 53, one end of the first extension spring 52 far away from the fixing block 54 is connected with the bottom plate 51, and one side of the fixing block 54 far away from the main, a clamping rod 57 is arranged on one side of the connecting plate 58 close to the fixed block 54, a second extension spring 59 is arranged on the outer side of the clamping rod 57, two ends of the second extension spring 59 are respectively connected with the connecting plate 58 and the fixed block 54, the clamping rod 57 is connected with the fixed block 54 in a sliding manner, a clamping groove 55 is arranged on the pressing plate 56 corresponding to the clamping rod 57, the clamping rod 57 is connected with the clamping groove 55 in a sliding manner,
by adopting the technical scheme, the device can be fixed through the bottom plate 51 and the rubber layer below the bottom plate when needed.
Specifically, a pull ring is arranged on one side of the connecting plate 58 far away from the clamping rod 57,
through adopting above-mentioned technical scheme for the staff can improve the convenience when using through pull ring pulling connecting plate 58.
Specifically, a rubber layer is mounted below the bottom plate 51,
by adopting the above technical scheme, the friction force between the bottom plate 51 and the ground is enhanced.
The structure and the principle of the main body component 1, the power plugboard 2, the power plug 4 and the universal wheel 6 of the power-off protection device are disclosed in the power-off protection device for electromechanical equipment disclosed in Chinese patent application No. CN 201922034119.1.
The working principle and the using process of the invention are as follows: when the power strip 2 does not work and needs protection, the handle 39 in the auxiliary device 3 is rotated, so that the sealing block 37 is taken down, then the silica gel desiccant 38 is filled in the sealing frame 32, after the filling is finished, the sealing block 37 is fixedly connected with the movable plate 35 through threads, then each fixing ring 34 is screwed to be away from the movable plate 35, the movable plate 35 is pushed to move along the screw 33, the movable plate 35 moves, further the sealing frame 32 abuts against the power-off protection device main body assembly 1, so that the power strip 2 is protected, the possibility that impurities enter the power strip 2 is reduced, in addition, moisture around the power strip 2 is absorbed by the silica gel desiccant 38 on one side of the separation net 31, so that dehumidification treatment is carried out, then each fixing ring 34 is rotated reversely, so that the position of the movable plate 35 is fixed, protection starts, and the limiting plate 36 plays a limiting role. When the device needs to move, pull ring on the connecting plate 58 in the pulling fixing device 5, thereby make the kelly 57 break away from the draw-in groove 55, under the effect of first extension spring 52, bottom plate 51 rises, then thrust unit, move the device to the assigned position through universal wheel 6, then pull ring on the pulling connecting plate 58, thereby prevent that kelly 57 from influencing the removal of moving post 53, press the clamp plate 56, the clamp plate 56 drives the rubber layer butt ground of bottom plate 51 below through moving post 53, loosen the pull ring on the connecting plate 58, under the effect of second extension spring 59, kelly 57 gets into draw-in groove 55, thereby fix, the removal finishes.
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.

Claims (9)

1. The utility model provides a centrifugal casting machine's power-off protection device, includes power-off protection device main part subassembly (1), its characterized in that: the power supply socket is characterized in that a power supply socket (2) is installed on one side of a power-off protection device main body component (1), a power plug (4) is installed on one side of the power-off protection device main body component (1) and located at a position below the power supply socket (2), an auxiliary device (3) is installed on the power-off protection device main body component (1) and corresponding to the power supply socket (2), the auxiliary device (3) comprises a sealing frame (32), a screw rod (33), a fixing ring (34), a movable plate (35) and a limiting plate (36), the sealing frame (32) is arranged on one side of the power supply socket (2) far away from the power supply socket (1), the sealing frame (35) is installed on one side of the power supply socket (2), the screw rod (33) is connected with the power-off protection device main body component (1) in a sliding manner at the upper end and the lower end of the movable, the outside of screw rod (33) and the position that is located movable plate (35) both sides all install solid fixed ring (34) through the screw thread, the one end that power-off protection device main part subassembly (1) was kept away from in screw rod (33) is provided with limiting plate (36), a plurality of universal wheels (6) are installed to the below of power-off protection device main part subassembly (1).
2. A power-off protection device for a centrifugal casting machine according to claim 1, characterized in that: the screw rod (33) is connected with the limiting plate (36) through threads.
3. A power-off protection device for a centrifugal casting machine according to claim 1, characterized in that: and an anti-skid sleeve is arranged on the outer side of the fixing ring (34).
4. A power-off protection device for a centrifugal casting machine according to claim 1, characterized in that: the inboard of sealing frame (32) is installed and is separated net (31), the inboard of sealing frame (32) and be located that one side that separates net (31) and be close to movable plate (35) is filled with silica gel drier (38), sealed piece (37) are installed to the inboard of movable plate (35).
5. A power-off protection device for a centrifugal casting machine according to claim 4, characterized in that: the material of the separation net (31) is elastic rubber.
6. A power-off protection device for a centrifugal casting machine according to claim 4, characterized in that: and a handle (39) is arranged on one side of the sealing block (37) far away from the silica gel desiccant (38).
7. A power-off protection device for a centrifugal casting machine according to claim 1, characterized in that: two fixing devices (5) are respectively arranged on two sides of the main body assembly (1) of the power-off protection device and at positions corresponding to the universal wheels (6), each fixing device (5) comprises a bottom plate (51), a first extension spring (52), a moving column (53), fixing blocks (54), clamping grooves (55), a pressing plate (56), a clamping rod (57), a connecting plate (58) and a second extension spring (59), the two fixing blocks (54) are respectively arranged on two sides of the main body assembly (1) of the power-off protection device and at positions corresponding to the universal wheels (6), the pressing plate (56) is arranged above the fixing blocks (54), the moving column (53) is arranged below the pressing plate (56), the moving column (53) is slidably connected with the fixing blocks (54), the bottom plate (51) is arranged below the moving column (53), the first extension spring (52) is arranged below the fixing blocks (54) and at a position outside the moving column (53), one end of a fixing block (54) is kept away from in first extension spring (52) is connected with bottom plate (51), one side of power-off protection device main part subassembly (1) is kept away from in fixing block (54) is provided with connecting plate (58), kelly (57) are installed to one side that connecting plate (58) are close to fixing block (54), the outside of kelly (57) is provided with second extension spring (59), the both ends of second extension spring (59) are connected with connecting plate (58) and fixing block (54) respectively, kelly (57) and fixing block (54) sliding connection, draw-in groove (55) have been seted up with the corresponding position of kelly (57) on clamp plate (56), kelly (57) and draw-in groove (55) sliding connection.
8. A power-off protection device for a centrifugal casting machine according to claim 7, characterized in that: and a pull ring is arranged on one side of the connecting plate (58) far away from the clamping rod (57).
9. A power-off protection device for a centrifugal casting machine according to claim 7, characterized in that: a rubber layer is arranged below the bottom plate (51).
CN202011173618.XA 2020-10-28 2020-10-28 Power-off protection device of centrifugal casting machine Pending CN112371939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011173618.XA CN112371939A (en) 2020-10-28 2020-10-28 Power-off protection device of centrifugal casting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011173618.XA CN112371939A (en) 2020-10-28 2020-10-28 Power-off protection device of centrifugal casting machine

Publications (1)

Publication Number Publication Date
CN112371939A true CN112371939A (en) 2021-02-19

Family

ID=74576924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011173618.XA Pending CN112371939A (en) 2020-10-28 2020-10-28 Power-off protection device of centrifugal casting machine

Country Status (1)

Country Link
CN (1) CN112371939A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6244897B1 (en) * 1998-11-16 2001-06-12 Sumitomo Wiring Systems, Ltd. Watertight connector and a method for mounting a watertight connector
US20050106909A1 (en) * 2003-11-14 2005-05-19 Dickie Robert G. Safety device for electrical plugs and a method of attaching same
CN107302153A (en) * 2017-06-22 2017-10-27 安徽江淮汽车集团股份有限公司 A kind of charging socket from protection
CN207284000U (en) * 2017-10-11 2018-04-27 安徽衡孚电子科技有限公司 A kind of switching power circuit plate sealing structure
CN108054550A (en) * 2017-12-26 2018-05-18 信宜市汇美电器有限公司 Socket shield
CN207611757U (en) * 2017-12-15 2018-07-13 山东汉旗科技有限公司 A kind of integrated circuit board sealing device
CN209358019U (en) * 2019-01-15 2019-09-06 莫尚典 A kind of hydroelectric facility moisture-proof case
CN209675699U (en) * 2019-01-31 2019-11-22 江苏雄海智能电气有限公司 A kind of wireless control Intelligent high voltage switch cabinet
CN211209055U (en) * 2019-11-22 2020-08-07 天津金凯恩机电工程技术有限公司 Power-off protection device for electromechanical equipment
CN211523998U (en) * 2019-11-12 2020-09-18 深圳市恒泰能源科技有限公司 High electric power of security overhauls frame

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6244897B1 (en) * 1998-11-16 2001-06-12 Sumitomo Wiring Systems, Ltd. Watertight connector and a method for mounting a watertight connector
US20050106909A1 (en) * 2003-11-14 2005-05-19 Dickie Robert G. Safety device for electrical plugs and a method of attaching same
CN107302153A (en) * 2017-06-22 2017-10-27 安徽江淮汽车集团股份有限公司 A kind of charging socket from protection
CN207284000U (en) * 2017-10-11 2018-04-27 安徽衡孚电子科技有限公司 A kind of switching power circuit plate sealing structure
CN207611757U (en) * 2017-12-15 2018-07-13 山东汉旗科技有限公司 A kind of integrated circuit board sealing device
CN108054550A (en) * 2017-12-26 2018-05-18 信宜市汇美电器有限公司 Socket shield
CN209358019U (en) * 2019-01-15 2019-09-06 莫尚典 A kind of hydroelectric facility moisture-proof case
CN209675699U (en) * 2019-01-31 2019-11-22 江苏雄海智能电气有限公司 A kind of wireless control Intelligent high voltage switch cabinet
CN211523998U (en) * 2019-11-12 2020-09-18 深圳市恒泰能源科技有限公司 High electric power of security overhauls frame
CN211209055U (en) * 2019-11-22 2020-08-07 天津金凯恩机电工程技术有限公司 Power-off protection device for electromechanical equipment

Similar Documents

Publication Publication Date Title
CN212007281U (en) Testing equipment is used in upper of a shoe processing that protecting effect is good
CN213840363U (en) Electromechanical device that facilitates use is with shock attenuation frame
CN112371939A (en) Power-off protection device of centrifugal casting machine
CN210490185U (en) Transformer cabinet convenient to remove
CN210081538U (en) Pressing device with damping function for machining antitheft door
CN208374113U (en) A kind of horizontal type film covering device based on V method casting mould
CN113306934B (en) Storage rack for aluminum profile storage
CN211487773U (en) Main control cabinet detection platform
CN207899609U (en) A kind of totally-enclosed centrifuge of novel automatic
CN214923033U (en) Heating and dehumidifying cork product polishing device
CN206647473U (en) A kind of mounting structure of automobile brake sheet
CN207292000U (en) Between a kind of equipment mounting structure and electric locomotive machinery
CN214560160U (en) Electric automation equipment overhauls protector
CN219876435U (en) Controller with protection structure
CN217023127U (en) Packaging equipment for sealing rubber strips
CN213575256U (en) High-efficiency brake component of electric vehicle
CN217217201U (en) Intrinsic safety type explosion-proof controller
CN215912355U (en) Electronic equipment supports protector
CN216852632U (en) Car roof safety maintenance device
CN218458699U (en) Portable solid phase extraction device
CN214303406U (en) Auxiliary support for installing door closer
CN218898602U (en) Vamp and sole compaction equipment for shoe manufacturing
CN216330408U (en) Energy-saving, efficient and intelligent full-automatic bag making machine
CN214889784U (en) Interactive display device for data visualization
CN219903462U (en) Sealing device for retreading rubber tyre

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210219

RJ01 Rejection of invention patent application after publication