CN113175475B - Novel one-way damping hinge - Google Patents

Novel one-way damping hinge Download PDF

Info

Publication number
CN113175475B
CN113175475B CN202110472714.2A CN202110472714A CN113175475B CN 113175475 B CN113175475 B CN 113175475B CN 202110472714 A CN202110472714 A CN 202110472714A CN 113175475 B CN113175475 B CN 113175475B
Authority
CN
China
Prior art keywords
main shaft
ring
damping
novel
flywheel
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.)
Active
Application number
CN202110472714.2A
Other languages
Chinese (zh)
Other versions
CN113175475A (en
Inventor
叶文彬
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.)
Shenzhen Quankai Technology Co ltd
Original Assignee
Shenzhen Quankai Technology 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 Shenzhen Quankai Technology Co ltd filed Critical Shenzhen Quankai Technology Co ltd
Priority to CN202110472714.2A priority Critical patent/CN113175475B/en
Publication of CN113175475A publication Critical patent/CN113175475A/en
Application granted granted Critical
Publication of CN113175475B publication Critical patent/CN113175475B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00Additional features or accessories of hinges
    • E05D11/10Devices for preventing movement between relatively-movable hinge parts
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/06Hinges with pins with two or more pins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/10Arrangements for locking
    • F16C11/103Arrangements for locking frictionally clamped
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/12Pivotal connections incorporating flexible connections, e.g. leaf springs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Support Of The Bearing (AREA)

Abstract

The invention discloses a novel one-way damping hinge, which comprises a main shaft, wherein the front end of the main shaft is sleeved with a bearing external member in running fit with the main shaft, the rear end of the main shaft is sleeved with a damping external member in running fit with the main shaft, the main shaft is provided with an isolating ring integrally formed with the main shaft, and the isolating ring is arranged between the bearing external member and the damping external member, compared with the prior art, the novel one-way damping hinge has the beneficial effects that: the opening of the flywheel, the roller and the buffering elastic sheet in the opening enable the flywheel to rotate only in a single direction, and the roller can extrude the main shaft under the action of the buffering elastic sheet, so that the whole bearing sleeve can stably rotate in a single direction and is not easily influenced by the environment; the bearing sleeve with a single rotation direction is matched with the damping sleeve capable of rotating in two directions, so that the practicability is high, and the application range is wide; the rotating difficulty of the bearing sleeve can be adjusted by adjusting the elastic force of the buffering elastic sheet, and the rotating difficulty of the damping sleeve can be adjusted by adjusting the tightness degree of the nut.

Description

Novel one-way damping hinge
Technical Field
The invention relates to the field of hinges, in particular to a novel one-way damping hinge.
Background
Hinges, also known as hinges, are mechanical devices used to connect two solids and allow relative rotation between them. The hinge may be constructed of a movable component or may be constructed of a foldable material. The hinge embeds has pivot or damping pivot usually, and the damping pivot on the existing market all is two-way damping effect, and among the practical application, most scene are as long as one-way damping is fixed, and what reverse requirement is bearing rotation effect, and common two-way damping is used very hard.
Disclosure of Invention
The invention aims to solve the problem that the bidirectional damping is very labor-consuming to use, provides a technical scheme capable of solving the problem, and can be widely applied to doors and windows, cabinets, wardrobes, mobile phone supports and tablet computer supports.
The utility model provides a novel one-way damping hinge, includes the main shaft, and the front end cover of main shaft has the bearing external member with it normal running fit, and the rear end cover of main shaft has the damping external member with it normal running fit, be equipped with on the main shaft with an integrated into one piece fashioned isolating ring, the isolating ring sets up between bearing external member and damping external member.
As one improvement of the technical scheme, the isolating ring is used as a middle point, the front half section of the main shaft is cylindrical, and the side surface of the rear half section of the main shaft is provided with a plurality of corners.
As an improvement of the above technical solution, a bearing kit includes: the flywheel that a plurality of piece was folded mutually, the shaping has round hole and a plurality of trompil on the flywheel, and the round hole is at the center of flywheel, and a plurality of trompil annular distributes around the round hole and communicates with the round hole, the main shaft passes the round hole and normal running fit with it, is equipped with roller bearing and buffering shell fragment in the trompil, and the buffering shell fragment is installed in the inboard and outside extrusion roller bearing of trompil, and the roller bearing presss from both sides between main shaft and buffering shell fragment.
As one improvement of the technical scheme, the buffering elastic sheet is arranged on the side of the rolling shaft.
As an improvement of the above technical solution, the damping kit comprises: a plurality of inner ring, drive ring and outer loop, inner ring and drive ring pile up at intervals, and the outer loop overlaps outside inner ring and drive ring, the outside shaping of drive ring has a plurality of protruding piece, and the inboard shaping of drive ring has a plurality of recess, and the protruding piece is placed in the recess.
As an improvement of the technical scheme, the main shaft penetrates through the driving ring and is in rotating fit with the driving ring, a fixing hole which is the same as the section of the rear half section of the main shaft is formed in the inner ring, and the inner ring is sleeved on the main shaft.
As an improvement of the technical scheme, a screw rod coaxial with the main shaft is formed on the rear end face of the main shaft, and a nut matched with the screw rod in a threaded mode is installed on the screw rod.
As an improvement of the technical scheme, a reinforcing ring in sliding fit with the rear half section of the main shaft is sleeved on the rear half section of the main shaft, and the reinforcing ring is arranged between the outer ring and the nut.
As one improvement of the technical scheme, a plurality of first positioning holes are formed in the outer side of the flywheel, a plurality of second positioning holes are formed in the outer side of the outer ring, and fixing rods are inserted in the first positioning holes and the second positioning holes respectively.
As one improvement of the technical scheme, the side surface of the rear half section of the main shaft consists of a plurality of cambered surfaces and a plurality of straight surfaces.
Compared with the prior art, the invention has the beneficial effects that:
1. the trompil and the roller bearing in the trompil and the trompil of flywheel make the flywheel can only rotate toward single direction, and the roller bearing receives the effect of buffering shell fragment can extrude the main shaft for whole bearing external member can carry out unidirectional rotation steadily, is difficult to receive environmental impact.
2. The bearing sleeve with a single rotation direction is matched with the damping sleeve capable of rotating in two directions, so that the practicability is high, and the application range is wide.
3. The rotating difficulty of the bearing sleeve can be adjusted by adjusting the elastic force of the buffering elastic sheet, and the rotating difficulty of the damping sleeve can be adjusted by adjusting the tightness of the nut.
4. The thicknesses of the bearing sleeve and the damping sleeve can be changed by adjusting the number of the flywheel, the inner ring, the outer ring and the driving ring, and the installation is convenient.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic view of the structure of the spindle of the present invention.
Fig. 4 is a schematic view of the flywheel of the present invention.
FIG. 5 is a schematic structural view of the flywheel assembly of the present invention.
Fig. 6 is a schematic view of the inner ring structure of the present invention.
Fig. 7 is a schematic view of the structure of the drive ring of the present invention.
Fig. 8 is a structural view of an outer ring of the present invention.
Fig. 9 is a schematic diagram of a first embodiment of the invention.
FIG. 10 is a schematic diagram of a second embodiment of the present invention.
In the figure: 1. the main shaft, 2, a bearing kit, 3, an isolating ring, 4, a damping kit, 5, a nut, 6, a reinforcing ring, 7, a fixing rod, 8, a screw rod, 21, a flywheel, 22, a buffering elastic sheet, 23, a roller, 41, an inner ring, 42, a driving ring, 43, an outer ring, 211, a round hole, 212, an opening, 213, a first positioning hole, 411, a fixing hole, 421, a protruding block, 431, a groove, 432 and a second positioning hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, 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. 1-8, in an embodiment of the present invention, a novel unidirectional damping hinge includes a main shaft 1, a bearing kit 2 rotatably fitted to a front end of the main shaft 1, a damping kit 4 rotatably fitted to a rear end of the main shaft 1, an isolation ring 3 integrally formed on the main shaft 1, the isolation ring 3 being disposed between the bearing kit 2 and the damping kit 4, the isolation ring 3 being a middle point, a front half of the main shaft 1 being cylindrical, and a rear half of the main shaft 1 having a plurality of corners on a side surface thereof.
Specifically, the bearing unit 2 includes: the flywheel 21 that a plurality of pieces were folded, the shaping has round hole 211 and a plurality of trompil 212 on the flywheel 21, and round hole 211 is at the center of flywheel 21, and a plurality of trompil 212 annular distribution is around round hole 211 and communicate with round hole 211, main shaft 1 passes round hole 211 and normal running fit with it, is equipped with roller 23 and buffering shell fragment 22 in the trompil 212, and buffering shell fragment 22 is installed at trompil 212 inboard and outwards extrudees roller 23, and roller 23 presss from both sides between main shaft 1 and buffering shell fragment 22, buffering shell fragment 22 sets up the side at roller 23.
In particular, the damping sleeve 4 comprises: a plurality of inner rings 41, a plurality of driving rings 42 and a plurality of outer rings 43, wherein the inner rings 41 and the driving rings 42 are alternately stacked, the outer rings 43 are sleeved outside the inner rings 41 and the driving rings 42, a plurality of convex blocks 421 are formed on the outer side of the driving rings 42, a plurality of grooves 431 are formed on the inner side of the driving rings 42, the convex blocks 421 are placed in the grooves 431,
as shown in fig. 7, the inner side of the driving ring and the outer side of the inner ring are also formed with oil reservoirs of conventional design, and when the driving ring 42 rotates, the outer ring 43 is driven to rotate because the protruding blocks 421 are placed in the grooves 431.
The main shaft 1 passes through the driving ring 42 and is in rotating fit with the driving ring, a fixing hole 411 which is the same as the rear half section of the main shaft 1 is formed in the inner ring 41, and the inner ring 41 is sleeved on the main shaft 1.
Specifically, a screw 8 coaxial with the main shaft 1 is formed on the rear end face of the main shaft 1, a nut 5 in threaded fit with the screw 8 is installed on the screw 8, a reinforcing ring 6 in sliding fit with the main shaft 1 is sleeved on the rear half section of the main shaft 1, and the reinforcing ring 6 is arranged between the outer ring 43 and the nut 5.
Specifically, a plurality of first positioning holes 213 are formed on the outer side of the flywheel 21, a plurality of second positioning holes 432 are formed on the outer side of the outer ring 43, and the fixing rods 7 are respectively inserted into the first positioning holes 213 and the second positioning holes 432.
As shown in the accompanying drawings, two sides of the cross section of the rear half section of the main shaft 1 are straight sides and two sides are arc sides, and on the premise that the inner ring 41 can be clamped and the rotation of the driving ring 42 is facilitated, the cross section can be adjusted according to the machining process and the actual operation requirements, for example, five sides, six sides and the like, the fixing holes 411 on the inner ring 41 are the same, and the main shaft 1 can be adapted, and the outer contours of the flywheel 21 and the outer ring 43 can be polished according to the installation requirements, and the main shaft belongs to the conventional technical means.
When the bearing assembly 2 rotates, the main shaft 1 presses the roller 23, the roller 23 presses the buffering elastic sheet 22, and when the bearing assembly 2 rotates in the other direction, the roller 23 locks the main shaft 1 inwards due to the shape of the opening 212 (and the position of the buffering elastic sheet 22).
The bearing sleeve 2 capable of rotating in one direction is matched with the damping sleeve 4 capable of rotating in two directions, and the bearing sleeve 2 can be applied to doors and windows, various cabinets, supports and the like, so that the difficulty degrees of different rotating directions are different, the bearing sleeve 2 and the damping sleeve 4 can be adjusted by adjusting the tightness of the buffering elastic sheet 22 and the nut 5 to be flexibly applied, and the opening difficulty and the closing difficulty or the opening difficulty and the closing easiness can be realized.
The unidirectional bearing set 2 has the following functions: the spindle can only rotate in one direction, and the spindle 1 can be tightly held in the reverse direction; when the bearing sleeve 2 rotates in a single direction (like a bearing effect), the damping sleeve 4 at the other end is invalid, so that the main shaft 1 can rotate with small force, and when the bearing sleeve 2 rotates in a reverse direction, the bearing sleeve 2 holds the main shaft 1 tightly, so that the damping sleeve 4 rotates to play a damping role; the damping main shaft on the contrast existing market all is two-way damping effect, and most scenes are fixed as long as one-way damping among the practical application, and what the reverse requirement is that the bearing rotates the effect, and common damping is used very hard, and this pain point is solved to one-way damping hinge.
[ EXAMPLES one ]
As shown in fig. 9, the present invention can be applied to a transfer structure of a mobile phone holder, and can open the support end of the mobile phone holder with a small force, and the support end is not easy to rotate (especially when placing a mobile phone).
[ example two ]
As shown in fig. 10, the present invention can also be applied to other mobile phone holders, and other parts, such as doors and windows, cabinets, wardrobes, tablet holders, and so on.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1. A novel one-way damping hinge is characterized in that: the damping device comprises a main shaft, wherein a bearing sleeve rotationally matched with the main shaft is sleeved at the front end of the main shaft, a damping sleeve rotationally matched with the main shaft is sleeved at the rear end of the main shaft, an isolation ring integrally formed with the main shaft is arranged on the main shaft, the isolation ring is arranged between the bearing sleeve and the damping sleeve and takes the isolation ring as a middle point, the front half section of the main shaft is cylindrical, and a plurality of corners are arranged on the side surface of the rear half section of the main shaft;
the bearing kit includes: the flywheel comprises a plurality of flywheels which are overlapped, wherein a round hole and a plurality of openings are formed in each flywheel, the round hole is formed in the center of each flywheel, the plurality of openings are annularly distributed around the round holes and communicated with the round holes, the main shaft penetrates through the round holes and is in rotating fit with the round holes, a rolling shaft and a buffering elastic sheet are arranged in each opening, the buffering elastic sheet is arranged on the inner side of each opening and extrudes the rolling shaft outwards, and the rolling shaft is clamped between the main shaft and the buffering elastic sheet;
the damping kit includes: the driving device comprises a plurality of inner rings, a plurality of driving rings and an outer ring, wherein the inner rings and the driving rings are alternately stacked, the outer ring is sleeved outside the inner rings and the driving rings, a plurality of convex blocks are formed on the outer side of the outer ring, a plurality of grooves are formed on the inner side of the driving rings, and the convex blocks are placed in the grooves;
the main shaft penetrates through the driving ring and is in rotating fit with the driving ring, a fixing hole which is the same as the section of the rear half section of the main shaft is formed in the inner ring, and the inner ring is sleeved on the main shaft;
the rear end face of the main shaft is provided with a screw rod coaxial with the main shaft, and the screw rod is provided with a nut matched with the screw rod in a threaded manner.
2. The novel one-way damping hinge according to claim 1, wherein: the buffering elastic sheet is arranged on the side of the rolling shaft.
3. The novel one-way damping hinge according to claim 2, wherein: the rear half section of the main shaft is sleeved with a reinforcing ring in sliding fit with the main shaft, and the reinforcing ring is arranged between the outer ring and the nut.
4. The novel one-way damping hinge of claim 3, wherein: a plurality of first positioning holes are formed in the outer side of the flywheel, a plurality of second positioning holes are formed in the outer side of the outer ring, and fixing rods are inserted into the first positioning holes and the second positioning holes respectively.
5. The novel one-way damping hinge according to claim 4, wherein: the side surface of the rear half section of the main shaft consists of a plurality of cambered surfaces and a plurality of straight surfaces.
CN202110472714.2A 2021-04-29 2021-04-29 Novel one-way damping hinge Active CN113175475B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110472714.2A CN113175475B (en) 2021-04-29 2021-04-29 Novel one-way damping hinge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110472714.2A CN113175475B (en) 2021-04-29 2021-04-29 Novel one-way damping hinge

Publications (2)

Publication Number Publication Date
CN113175475A CN113175475A (en) 2021-07-27
CN113175475B true CN113175475B (en) 2022-07-22

Family

ID=76925148

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110472714.2A Active CN113175475B (en) 2021-04-29 2021-04-29 Novel one-way damping hinge

Country Status (1)

Country Link
CN (1) CN113175475B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321151A (en) * 2022-01-20 2022-04-12 礼恩派(嘉兴)有限公司 One-way ratchet wheel hinge
CN115507109A (en) * 2022-09-16 2022-12-23 维沃移动通信有限公司 Hinge mechanism and electronic device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6333112B1 (en) * 1997-11-21 2001-12-25 Means Industries, Inc. Laminated one-way clutch
CN1497123A (en) * 2002-10-16 2004-05-19 ���ٵ����ʽ���� Friction resistant type hinge
CN202280732U (en) * 2011-09-09 2012-06-20 彭焕耀 One-way bearing
CN105987079A (en) * 2015-02-07 2016-10-05 陈念琦 One-way driving structure
TW201812194A (en) * 2016-09-02 2018-04-01 景福事業股份有限公司 Unidirectional rotary braking device capable of achieving a rotary member provided with a plurality of receiving slots without using an expensive CNC apparatus in the manufacturing process
CN210949511U (en) * 2019-08-05 2020-07-07 北京天智航医疗科技股份有限公司 Torque hinge and support system including the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6848551B2 (en) * 2001-04-11 2005-02-01 Tok Bearing Co., Ltd. One-way clutch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6333112B1 (en) * 1997-11-21 2001-12-25 Means Industries, Inc. Laminated one-way clutch
CN1497123A (en) * 2002-10-16 2004-05-19 ���ٵ����ʽ���� Friction resistant type hinge
CN202280732U (en) * 2011-09-09 2012-06-20 彭焕耀 One-way bearing
CN105987079A (en) * 2015-02-07 2016-10-05 陈念琦 One-way driving structure
TW201812194A (en) * 2016-09-02 2018-04-01 景福事業股份有限公司 Unidirectional rotary braking device capable of achieving a rotary member provided with a plurality of receiving slots without using an expensive CNC apparatus in the manufacturing process
CN210949511U (en) * 2019-08-05 2020-07-07 北京天智航医疗科技股份有限公司 Torque hinge and support system including the same

Also Published As

Publication number Publication date
CN113175475A (en) 2021-07-27

Similar Documents

Publication Publication Date Title
CN113175475B (en) Novel one-way damping hinge
CN201033049Y (en) Slow-falling mechanism of the panel turnover
CN201836207U (en) Rotating shaft and mobile phone using the same
CN203515083U (en) Invisible hinge
CN201014874Y (en) Right-left opening refrigerator
CN211549260U (en) Hinge structure with damping effect
CN208782858U (en) A kind of electronic equipment
CN217501386U (en) Door hinge structure convenient to dismouting
CN215907659U (en) Bearing hinge
CN201560658U (en) Non-clearance hinge
CN108429563B (en) Fixing structure of portable interphone
CN210483342U (en) Bearing hinge
CN221194679U (en) Hinge for door and window
CN215056360U (en) Hinge for shower room
CN216249767U (en) Three-dimensional concatenation formula signboard with protection machanism
CN220565906U (en) Hinge with bilateral rotation structure
CN211342559U (en) Environment-friendly aluminum alloy mute safety door
CN217971789U (en) High-torsion double-PET sheet extrusion production line
CN212899335U (en) Damping shaft
CN213742837U (en) Hinge with good noise prevention effect
CN218438852U (en) Hinge structure of electric cabinet door
CN215671573U (en) Device for reducing locking resistance of door leaf of civil air defense door
CN210196259U (en) Hinge capable of reducing noise
CN220565912U (en) Aluminum alloy hinge structure
CN212296011U (en) 180-degree self-positioning hinge for vertical hinged door shower room and shower room door

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
GR01 Patent grant
GR01 Patent grant