CN113401480A - Double-layer heavy folding engine pneumatic transport frame - Google Patents

Double-layer heavy folding engine pneumatic transport frame Download PDF

Info

Publication number
CN113401480A
CN113401480A CN202110684436.7A CN202110684436A CN113401480A CN 113401480 A CN113401480 A CN 113401480A CN 202110684436 A CN202110684436 A CN 202110684436A CN 113401480 A CN113401480 A CN 113401480A
Authority
CN
China
Prior art keywords
fixed mounting
threaded
double
rod
base
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
CN202110684436.7A
Other languages
Chinese (zh)
Inventor
张布海
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.)
Wuxi Mighty Power Machinery Co ltd
Original Assignee
Wuxi Mighty Power Machinery 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 Wuxi Mighty Power Machinery Co ltd filed Critical Wuxi Mighty Power Machinery Co ltd
Priority to CN202110684436.7A priority Critical patent/CN113401480A/en
Publication of CN113401480A publication Critical patent/CN113401480A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/10Devices to locate articles in containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20External fittings
    • B65D25/24External fittings for spacing bases of containers from supporting surfaces, e.g. legs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Frames And Binding Bands (AREA)

Abstract

The invention discloses a double-layer heavy folding engine pneumatic frame which comprises a base, wherein supporting legs are fixedly arranged at the bottom of the base, L-shaped rods are fixedly arranged on two sides of the top of the base, second motors are fixedly arranged on the top of the base and positioned on the inner sides of the two L-shaped rods, first threaded rods are fixedly arranged on output shafts of the second motors, and the bottoms of the two L-shaped rods are rotatably connected with the two first threaded rods. According to the invention, the first motor is rotated to conveniently limit and fix the engines with different sizes, so that the engines are prevented from moving in the conveying process, meanwhile, the engines with different heights can be conveniently assembled and disassembled, the space is saved when the second motor is not used, and the clamping rod and the cross rod can be clamped or separated by rotating the third threaded rod, so that the clamping plates with different shapes can be conveniently replaced.

Description

Double-layer heavy folding engine pneumatic transport frame
Technical Field
The invention relates to the technical field of automobile transportation frames, in particular to a double-layer heavy folding engine automobile transportation frame.
Background
With the development of the modern automobile industry, engines required by most complete automobile factories need to be transported to the complete automobile factories from long distance in different places for loading, so that the transportation mode which is more convenient, easy to unpack and capable of saving manpower and material resources is an ideal mode for long distance transportation of the engines in the current automobile industry, and the engine automobile transportation frame is indispensable for realizing the long distance transportation of the engines.
Present relates to double-deck heavy folding engine vapour fortune frame, and present current engine transport frame generally adopts the transportation of wood packing box, and the wood packing box is disposable, causes the wasting of resources, and is with high costs, is unfavorable for the environmental protection, and at the shipment in-process moreover, loading and unloading are very inconvenient, can greatly reduced work efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a double-layer heavy folding engine truck.
In order to achieve the purpose, the invention adopts the following technical scheme: the double-layer heavy folding engine steam transportation frame comprises a base, wherein supporting legs are fixedly mounted at the bottom of the base, L-shaped rods are fixedly mounted on two sides of the top of the base, second motors are fixedly mounted on the tops of the base and positioned on the inner sides of the two L-shaped rods, first threaded rods are fixedly mounted on output shafts of the second motors, the bottoms of the two L-shaped rods are rotatably connected with the two first threaded rods, threaded blocks are connected to the surfaces of the two first threaded rods in a threaded manner, horizontal plates are fixedly mounted in the middle of the top of the base and between the two threaded blocks, supporting plates are fixedly mounted on two sides of the top of the two horizontal plates, a second threaded rod is rotatably connected between the two supporting plates, two vertical rods are in threaded connection with the surface of the second threaded rod, and a cross rod is fixedly mounted at the tops of the two vertical rods, two the horizontal pole, two the equal fixed mounting in the relative side of horizontal pole has splint, two the top and the horizontal pole junction fixed mounting of montant have fixing device, two common fixed mounting is the same between the top of backup pad places the board, the equal fixed mounting in top left side, right side and the rear side of placing the board has the baffle, the top front side rotation of placing the board is connected with the closing plate, the baffle contacts the equal fixed mounting in department with the closing plate and has chucking device. Two left sides the equal fixed mounting in left side end of backup pad has first motor, just run through between the output shaft of first motor and the backup pad and rotate and be connected, and fixed connection between its tip and the second threaded rod.
Further, fixing device includes the U-shaped frame, the top fixed mounting of montant has the U-shaped frame, the internal thread of U-shaped frame is connected with the third threaded rod, the bottom of third threaded rod is rotated and is connected with the slide bar, the bottom fixed mounting of slide bar has the inserted bar, just sliding connection between inserted bar and the montant.
Further, the clamping device comprises a groove, a groove is formed in the position, close to the sealing plate, of the inside of the baffle, a compression spring is fixedly mounted on one side wall, away from the sealing plate, of the groove, a circular plate is fixedly mounted at the other end of the compression spring, a clamping rod is fixedly mounted on one side, close to the sealing plate, of the circular plate, the clamping rod is connected with the baffle in a sliding mode, and a pull rod is fixedly mounted on the other side of the circular plate.
Furthermore, the inside of U-shaped frame is seted up the spout with slide bar looks adaptation, the inside of horizontal pole is seted up the slot with inserted bar looks adaptation.
Furthermore, a clamping groove matched with the clamping rod is formed in the sealing plate, and the pull rod is connected with the baffle in a sliding mode.
Further, two montant and second threaded rod junction are provided with opposite direction's screw thread, the horizontal plate all sets up the spout with montant looks adaptation with the inside of placing the board.
The invention has the beneficial effects that:
when the double-layer heavy folding engine pneumatic transport frame is used, the first motor rotates to drive the second threaded rod to rotate, so that the two vertical rods can be driven to be close to or away from each other, the clamping plates can be driven to be close to or away from each other, and therefore, the engines with different sizes can be conveniently limited and fixed, the engines are prevented from moving in the transport process, and meanwhile, the double-layer heavy folding engine pneumatic transport frame is convenient to assemble and disassemble and can not cause waste; the second motor rotates to drive the first threaded rod to rotate, so that the threaded block can be driven to move up and down, the horizontal plate above the threaded block can be driven to move up and down, engines with different heights can be placed on the automobile transportation frame, and the horizontal plate above the threaded block can descend when the automobile transportation frame is idle, so that space can be saved; the third threaded rod is rotated to drive the sliding rod to move up and down in the U-shaped frame, so that the inserting rod can be driven to move up and down, the clamping rod and the transverse rod can be clamped or separated, clamping plates in different shapes can be conveniently replaced, and the application range of the device can be enlarged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention at a resting place;
FIG. 3 is an enlarged schematic view of the present invention at A;
fig. 4 is an enlarged schematic view of the present invention at B.
Illustration of the drawings:
1. a baffle plate; 2. a fixing device; 21. a third threaded rod; 22. a U-shaped frame; 23. a slide bar; 24. inserting a rod; 3. a cross bar; 4. a splint; 5. a first motor; 6. a thread block; 7. a vertical rod; 8. a first threaded rod; 9. an L-shaped rod; 10. a second motor; 11. supporting legs; 12. a base; 13. a horizontal plate; 14. a second threaded rod; 15. a support plate; 16. placing the plate; 17. a clamping device; 171. a pull rod; 172. a groove; 173. a compression spring; 174. a circular plate; 175. a clamping rod; 18. and (7) sealing the plate.
Detailed Description
FIG. 1 to FIG. 4 show, which relates to a double-layer heavy folding engine pneumatic transportation frame, comprising a base 12, wherein the bottom of the base 12 is fixedly provided with supporting legs 11, both sides of the top of the base 12 are fixedly provided with L-shaped rods 9, the top of the base 12 and the inner sides of the two L-shaped rods 9 are fixedly provided with a second motor 10, the output shaft of the second motor 10 is fixedly provided with a first threaded rod 8, the bottoms of the two L-shaped rods 9 are rotatably connected with the two first threaded rods 8, the surfaces of the two first threaded rods 8 are in threaded connection with threaded blocks 6, the middle of the top of the base 12 and between the two threaded blocks 6 are fixedly provided with horizontal plates 13, both sides of the top of the two horizontal plates 13 are fixedly provided with supporting plates 15, the two supporting plates 15 are in common rotary connection with a second threaded rod 14, the surface of the second threaded rod 14 is in threaded connection with two vertical rods 7, the equal fixed mounting in top of two montants 7 has horizontal pole 3, two horizontal poles 3, the equal fixed mounting in a side that two horizontal poles 3 are relative has splint 4, the top of two montants 7 and 3 junction fixed mounting of horizontal pole have fixing device 2, common fixed mounting places board 16 between the top of two backup pads 15 equally, place the top left side of board 16, the equal fixed mounting in right side and rear side has baffle 1, the top front side rotation of placing board 16 is connected with closing plate 18, baffle 1 and the equal fixed mounting in closing plate 18 contact department have chucking device 17. The left ends of the two left supporting plates 15 are fixedly provided with a first motor 5, an output shaft of the first motor 5 is connected with the supporting plates 15 in a penetrating and rotating mode, and the end portions of the first motor 5 are fixedly connected with the second threaded rods 14.
When the double-layer heavy folding engine pneumatic frame is used, firstly, the pull rod 171 is pulled towards two sides, so that the circular plate 174 and the clamping rod 175 can be driven to move towards two sides and be separated from the sealing plate 18, so that the sealing plate 18 can be opened, then, an engine to be transported is placed on the surface of the placing plate 16, then, the first motor 5 is started, so that the second threaded rod 14 can be driven to rotate, so that the two vertical rods 7 can be driven to mutually approach, so that the two clamping plates 4 can be driven to mutually approach, so that the engine can be limited and fixed, when the device is idle, the second motor 10 can be driven, so that the first threaded rod 8 can be driven to rotate, so that the threaded block 6 can drive the upper horizontal plate 13 to descend, so that the space can be saved, when generators with different shapes need to be transported, the third threaded rod 21 can be rotated, so that the sliding rod 23 can be driven to move, thereby, the inserted bar 24 can be driven to move upwards, so that the inserted bar 24 and the cross bar 3 can be separated, the clamping plates 4 with different shapes can be replaced, and engines with different shapes can be firmly fixed.
In a further scheme, the fixing device 2 comprises a U-shaped frame 22, the top of the vertical rod 7 is fixedly provided with the U-shaped frame 22, the inner thread of the U-shaped frame 22 is connected with a third threaded rod 21, the bottom end of the third threaded rod 21 is rotatably connected with a sliding rod 23, the bottom of the sliding rod 23 is fixedly provided with an inserting rod 24, the inserting rod 24 is slidably connected with the vertical rod 7, and the clamping plate 4 is convenient to replace.
In a further scheme, the clamping device 17 comprises a groove 172, the groove 172 is formed in the inner portion of the baffle plate 1 and at a position close to the sealing plate 18, a compression spring 173 is fixedly mounted on one side wall of the groove 172 far away from the sealing plate 18, a circular plate 174 is fixedly mounted at the other end of the compression spring 173, a clamping rod 175 is fixedly mounted on one side of the circular plate 174 close to the sealing plate 18, the clamping rod 175 is connected with the baffle plate 1 in a sliding mode, and a pull rod 171 is fixedly mounted on the other side of the circular plate 174, so that the sealing plate 18 can be opened or closed conveniently.
In a further scheme, a sliding groove matched with the sliding rod 23 is formed in the U-shaped frame 22, so that the sliding rod 23 is convenient to move up and down, and a slot matched with the inserting rod 24 is formed in the cross rod 3, so that the cross rod 3 is convenient to fix.
In the further scheme, the clamping groove matched with the clamping rod 175 is formed in the sealing plate 18, so that the sealing plate 18 is fixed conveniently, the pull rod 171 is connected with the baffle plate 1 in a sliding mode, and the pull rod 171 is convenient to move left and right.
In the further scheme, two montants 7 are provided with opposite direction's screw with second threaded rod 14 junction, and two montants 7 of being convenient for are close to each other or keep away from, and the spout with montant 7 looks adaptation is all seted up to horizontal plate 13 and the inside of placing board 16, moves the stability of in-process about the montant 7 of being convenient for.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. Heavy folding engine vapour of double-deck fortune frame, including base (12), its characterized in that: the bottom of the base (12) is fixedly provided with supporting legs (11), the two sides of the top of the base (12) are fixedly provided with L-shaped rods (9), the top of the base (12) is fixedly provided with a second motor (10) which is positioned at the inner sides of the two L-shaped rods (9), the output shaft of the second motor (10) is fixedly provided with first threaded rods (8), the bottoms of the two L-shaped rods (9) are rotatably connected with the two first threaded rods (8), the surfaces of the two first threaded rods (8) are in threaded connection with threaded blocks (6), the middle of the top of the base (12) and the two threaded blocks (6) are fixedly provided with horizontal plates (13), the two sides of the top of the two horizontal plates (13) are fixedly provided with supporting plates (15), and the two supporting plates (15) are rotatably connected with a second threaded rod (14), the surface thread of second threaded rod (14) is connected with two montants (7), two the equal fixed mounting in top of montant (7) has horizontal pole (3), two the equal fixed mounting in the side that horizontal pole (3) is relative has splint (4), two the top of montant (7) and horizontal pole (3) junction fixed mounting have fixing device (2), two common fixed mounting places board (16) equally between the top of backup pad (15), the equal fixed mounting in top left side, right side and the rear side of placing board (16) has baffle (1), the top front side rotation of placing board (16) is connected with closing plate (18), baffle (1) and closing plate (18) contact department equal fixed mounting have chucking device (17). Two left sides the equal fixed mounting in left side end of backup pad (15) has first motor (5), just run through between the output shaft of first motor (5) and backup pad (15) and rotate to be connected, and fixed connection between its tip and second threaded rod (14).
2. The double-deck heavy duty folding engine rack of claim 1, wherein: fixing device (2) include U-shaped frame (22), the top fixed mounting of montant (7) has U-shaped frame (22), the internal thread of U-shaped frame (22) is connected with third threaded rod (21), the bottom of third threaded rod (21) is rotated and is connected with slide bar (23), the bottom fixed mounting of slide bar (23) has inserted bar (24), just sliding connection between inserted bar (24) and montant (7).
3. The double-deck heavy duty folding engine rack of claim 1, wherein: chucking device (17) include recess (172), the inside of baffle (1) and be close to the department with closing plate (18) and set up recess (172), fixed mounting has compression spring (173) on the lateral wall that closing plate (18) were kept away from in recess (172), compression spring's (173) other end fixed mounting has circular plate (174), one side fixed mounting kelly (175) that circular plate (174) and closing plate (18) are close to, just sliding connection between kelly (175) and baffle (1), the opposite side fixed mounting of circular plate (174) has pull rod (171).
4. The double-deck heavy duty folding engine rack of claim 2, wherein: the inside of U-shaped frame (22) is seted up the spout with slide bar (23) looks adaptation, the inside of horizontal pole (3) is seted up the slot with inserted bar (24) looks adaptation.
5. The double-deck heavy duty folding engine rack of claim 3, wherein: the inside of the sealing plate (18) is provided with a clamping groove matched with the clamping rod (175), and the pull rod (171) is connected with the baffle plate (1) in a sliding mode.
6. The double-deck heavy duty folding engine rack of claim 1, wherein: two the montant (7) is provided with opposite direction's screw with second threaded rod (14) junction, the spout with montant (7) looks adaptation is all seted up to the inside of horizontal plate (13) and place board (16).
CN202110684436.7A 2021-06-21 2021-06-21 Double-layer heavy folding engine pneumatic transport frame Pending CN113401480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110684436.7A CN113401480A (en) 2021-06-21 2021-06-21 Double-layer heavy folding engine pneumatic transport frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110684436.7A CN113401480A (en) 2021-06-21 2021-06-21 Double-layer heavy folding engine pneumatic transport frame

Publications (1)

Publication Number Publication Date
CN113401480A true CN113401480A (en) 2021-09-17

Family

ID=77681899

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110684436.7A Pending CN113401480A (en) 2021-06-21 2021-06-21 Double-layer heavy folding engine pneumatic transport frame

Country Status (1)

Country Link
CN (1) CN113401480A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206536251U (en) * 2017-03-08 2017-10-03 广西机电职业技术学院 A kind of fraise jig
CN208946139U (en) * 2018-08-28 2019-06-07 扬州宝陆汽车部件有限公司 A kind of novel adjustable stamping parts of automobile piling bin
CN209544930U (en) * 2019-04-16 2019-10-25 中南大学 Insulating protection case for high-voltage electricity
CN209921359U (en) * 2019-04-15 2020-01-10 广东轻工职业技术学院 Special tool vehicle for beauty products
CN111131938A (en) * 2018-10-31 2020-05-08 黄石禾呈电子商务有限公司 Multidirectional-adjustment loudspeaker box fixing frame
CN210791222U (en) * 2019-10-31 2020-06-19 昆山普创电子材料有限公司 Special fixture for irregular rubber product die cutting
CN211452602U (en) * 2019-11-14 2020-09-08 天津精益宽谱科技有限公司 Storage equipment of spectrum analyzer
CN212735076U (en) * 2020-07-20 2021-03-19 南宫市嘉城钢结构有限公司 Clamp for machining tubular steel structure
CN213257925U (en) * 2020-09-23 2021-05-25 上海联明机械股份有限公司 Automobile part welding fixture with efficient clamping function

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206536251U (en) * 2017-03-08 2017-10-03 广西机电职业技术学院 A kind of fraise jig
CN208946139U (en) * 2018-08-28 2019-06-07 扬州宝陆汽车部件有限公司 A kind of novel adjustable stamping parts of automobile piling bin
CN111131938A (en) * 2018-10-31 2020-05-08 黄石禾呈电子商务有限公司 Multidirectional-adjustment loudspeaker box fixing frame
CN209921359U (en) * 2019-04-15 2020-01-10 广东轻工职业技术学院 Special tool vehicle for beauty products
CN209544930U (en) * 2019-04-16 2019-10-25 中南大学 Insulating protection case for high-voltage electricity
CN210791222U (en) * 2019-10-31 2020-06-19 昆山普创电子材料有限公司 Special fixture for irregular rubber product die cutting
CN211452602U (en) * 2019-11-14 2020-09-08 天津精益宽谱科技有限公司 Storage equipment of spectrum analyzer
CN212735076U (en) * 2020-07-20 2021-03-19 南宫市嘉城钢结构有限公司 Clamp for machining tubular steel structure
CN213257925U (en) * 2020-09-23 2021-05-25 上海联明机械股份有限公司 Automobile part welding fixture with efficient clamping function

Similar Documents

Publication Publication Date Title
CN113401480A (en) Double-layer heavy folding engine pneumatic transport frame
CN110902056A (en) Compression device for home textile
CN209452556U (en) A kind of aluminium sheet automatic bending machine
CN212125615U (en) E-commerce goods packing apparatus
CN206544027U (en) A kind of fixture easy to use
CN213707207U (en) Conveyer of transportation raw materials
CN211712602U (en) Liquid food packaging machine with replaceable feeding head
CN210364619U (en) Drying agent packaging device
CN209275605U (en) A kind of diode rotation push collating unit
CN211164389U (en) A clamping device for wood working
CN214986866U (en) A conveyor for dried pork slice production and processing
CN219514229U (en) Voice coil processing workbench
CN211222267U (en) Printing device for corrugated case
CN218318112U (en) Packing box capable of clamping articles
CN111775473A (en) A multistation compression fittings for waste paper board processing
CN215620295U (en) Quick indentation device based on packing carton production
CN216611723U (en) A unloading mechanism for carton bindes machine
CN211281637U (en) Automatic arrangement machine convenient to conveying
CN214162026U (en) Positioning, assembling and machining device for microswitch production line of pressure controller
CN220743105U (en) Oil transfer mechanism
CN215144129U (en) Feeding and conveying device for automatic stamping of photovoltaic frame
CN218198356U (en) Transfer device is used in installation of agricultural vehicle hydro-cylinder
CN220970470U (en) Edge wrapping device for gas spring production
CN220325879U (en) Antistatic uncoiling transition platform
CN218286915U (en) Rotary type glue printing machine

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: 20210917

RJ01 Rejection of invention patent application after publication