CN216364310U - Multifunctional rotatable deformation type storage rack - Google Patents

Multifunctional rotatable deformation type storage rack Download PDF

Info

Publication number
CN216364310U
CN216364310U CN202122664699.XU CN202122664699U CN216364310U CN 216364310 U CN216364310 U CN 216364310U CN 202122664699 U CN202122664699 U CN 202122664699U CN 216364310 U CN216364310 U CN 216364310U
Authority
CN
China
Prior art keywords
swing arm
support
limiting
deformation type
commodity shelf
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
CN202122664699.XU
Other languages
Chinese (zh)
Inventor
李启忠
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.)
Dongguan Navigation Household Products Co ltd
Original Assignee
Dongguan Navigation Household Products 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 Dongguan Navigation Household Products Co ltd filed Critical Dongguan Navigation Household Products Co ltd
Priority to CN202122664699.XU priority Critical patent/CN216364310U/en
Application granted granted Critical
Publication of CN216364310U publication Critical patent/CN216364310U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

The utility model belongs to the technical field of commodity shelves, and particularly relates to a multifunctional rotatable deformation type commodity shelf which comprises a support, a first swing arm, a second swing arm, a fixing mechanism and at least two commodity placing pieces, wherein the first swing arm is connected with the second swing arm; the first swing arm and the second swing arm are arranged in parallel at intervals and are both in rotating connection with the bracket; each article placing device is rotatably connected with the first swing arm and the second swing arm, and can be horizontally arranged under the swinging of the first swing arm and the second swing arm to form a small tea table; the fixing mechanism is connected with the support and the first swing arm or the second swing arm and used for fixing the first swing arm and the second swing arm. Therefore, when the articles are horizontally arranged, the table can be used as a small tea table or a small desk, and when the articles are vertically arranged, the space can be saved.

Description

Multifunctional rotatable deformation type storage rack
Technical Field
The utility model belongs to the technical field of storage racks, and particularly relates to a multifunctional rotatable deformation type storage rack.
Background
The storage rack is a shelf for placing sundries, which is formed by combining a bottom plate and a support column, is supported by a strip-shaped support, and is supported by the bottom plate, so that the shelf is unique in shape, flexible in design, simple and convenient to assemble and disassemble, clean, bright and open, can be used for enabling storage to be visible at a glance, and is a good helper for storing houses and small articles. Current supporter simple structure, function singleness are mostly fixed structure, can not satisfy customer's various demands according to using the sight.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional rotatable deformation type storage rack, and aims to solve the technical problems that the storage rack in the prior art is simple in structure, single in function, mostly of a fixed structure and incapable of meeting various requirements of customers according to use situations.
In order to achieve the above object, an embodiment of the present invention provides a multifunctional rotatable transformable storage rack, which includes a support, a first swing arm, a second swing arm, a fixing mechanism, and at least two storage objects; the first swing arm and the second swing arm are arranged in parallel at intervals and are both in rotating connection with the bracket; each article placing device is rotatably connected with the first swing arm and the second swing arm, and can be horizontally arranged under the swinging of the first swing arm and the second swing arm to form a small tea table; the fixing mechanism is connected with the support and the first swing arm or the second swing arm and used for fixing the first swing arm and the second swing arm.
Optionally, the fixing mechanism includes a brace thimble, a compression spring and a clamping piece; the clamping piece is fixedly connected to the first swing arm or the second swing arm, and at least two limiting holes are formed in the clamping piece; the brace ejector pin is connected with the support, one end of the brace ejector pin, which penetrates through the support, is provided with a limiting part, and the limiting part is limited in one limiting hole; the compression spring is sleeved outside the brace thimble, one end of the compression spring is connected with the limiting part, and the other end of the compression spring is connected with the support.
Optionally, the position clamping pieces are arranged in a fan shape, and the central angle is ninety degrees; the number of the limiting holes is three, and the three limiting holes are evenly distributed along the arc edge of the clamping piece at intervals.
Optionally, the position clamping pieces are arranged in a fan shape, and the central angle is ninety degrees; the number of the limiting holes is five, and the five limiting holes are evenly distributed along the arc edge of the clamping piece at intervals.
Optionally, the fixing mechanism further comprises a fixing plate and a bolt, wherein the fixing plate is arranged on one side of the support, which faces away from the clamping plate; one section of the brace thimble penetrates through the fixed sheet; the bolt penetrates through the fixing plate and is in threaded connection with the support.
Optionally, the article placing device is a placing basket, and the bottom of each placing basket is provided with a plurality of draining holes.
Optionally, a cover plate is covered at the mouth of each storage basket, and four limiting protruding strips are arranged on one side surface of the cover plate, correspond to four side edges of the cover plate respectively, and are used for limiting the cover plate at the mouth of the storage basket.
Optionally, the number of the placing pieces is three.
Optionally, the bottom of the support is provided with universal wheels.
Optionally, a transverse connecting pipe is arranged on the support and is arranged at the bottom of the support, and two ends of the transverse connecting pipe are connected with the support.
One or more technical schemes in the multifunctional rotatable deformation type commodity shelf provided by the embodiment of the utility model at least have one of the following technical effects: the multifunctional rotatable deformation type storage rack provided by the embodiment of the utility model has the advantages that the number of the articles to be placed is at least two, the articles to be placed are used for containing and placing the articles, each article to be placed is fixed through the first swing arm and the second swing arm, and the first swing arm and the second swing arm are rotatably connected to the support and can rotate on the support; the multifunctional rotatable deformation type storage rack has multiple forms, when the first swing arm and the second swing arm are vertically arranged, the storage pieces are vertically arranged at intervals, the fixing mechanisms can be arranged on the first swing arm and the second swing arm according to requirements, and the first swing arm and the second swing arm are fixed and can not rotate through the fixing mechanisms, so that the storage rack is fixed; after the fixing mechanism releases the fixation of the first swing arm and the second swing arm, the first swing arm and the second swing arm can rotate, and when the first swing arm and the second swing arm rotate to a required angle, the fixing mechanism fixes the first swing arm and the second swing arm to be incapable of rotating; when the first swing arm and the second swing arm are horizontally arranged, the first swing arm and the second swing arm are fixed and can not rotate through the fixing mechanism, all the object placing pieces are horizontally arranged at the moment, and the object placing pieces are mutually abutted to form the table, so that the table is more practical; thus; therefore, when the articles are horizontally arranged, the table can be used as a small tea table or a small desk, and when the articles are vertically arranged, the space can be saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a multifunctional rotatable shelf according to an embodiment of the present invention.
Fig. 2 is another structural schematic view of the multifunctional rotatable shelf according to the embodiment of the present invention.
Fig. 3 is another structural schematic view of the multifunctional rotatable shelf according to the embodiment of the present invention.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Fig. 5 is a schematic structural diagram of a fixing mechanism according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a position card according to an embodiment of the present invention.
Fig. 7 is another schematic structural diagram of a position card according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a cover plate according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-support 20-first swing arm 30-second swing arm
40-fixing mechanism 50-object placing piece 60-cover plate
70-universal wheel 80-transverse connecting pipe 41-brace thimble
42-compression spring 43-position limiting sheet 44-fixing sheet
45-bolt 51-water draining hole 61-limit convex strip
411-stopper 431-stopper hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-8 are exemplary and intended to be used to illustrate embodiments of the utility model, and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1 to 7, a multifunctional rotatable shelf comprises a support 10, a first swing arm 20, a second swing arm 30, a fixing mechanism 40, and at least two articles 50; the first swing arm 20 and the second swing arm 30 are arranged in parallel at intervals and are both rotationally connected with the bracket 10; each article placing object 50 is rotatably connected with the first swing arm 20 and the second swing arm 30, and each article placing object 50 can be horizontally arranged under the swinging of the first swing arm 20 and the second swing arm 30 to form a small tea table; the fixing mechanism 40 is connected to the support 10 and the first swing arm 20 or the second swing arm 30, and is configured to fix the first swing arm 20 and the second swing arm 30.
Specifically, the multifunctional rotatable deformation type shelf provided by the embodiment of the utility model has a plurality of at least two article placing pieces 50 for accommodating and placing articles, each article placing piece 50 is fixed by the first swing arm 20 and the second swing arm 30, and the first swing arm 20 and the second swing arm 30 are rotatably connected to the support 10 and can rotate or rotate on the support 10; the multifunctional rotatable deformation type commodity shelf has various forms, and when the first swing arm 20 and the second swing arm 30 are vertically arranged, the commodities 50 are vertically arranged at intervals; the fixing mechanism 40 can be disposed on the first swing arm 20 and the second swing arm 30 as required, and the rotating directions of the first swing arm 20 and the second swing arm 30 are determined according to the arrangement of the fixing mechanism 40 on the first swing arm 20 or the second swing arm 30, in this embodiment, the fixing mechanism 40 is connected with the first swing arm 20; the first swing arm 20 and the second swing arm 30 are fixed and can not rotate through the fixing mechanism 40, so that the commodity shelf is fixed; after the fixing mechanism 40 releases the fixation of the first swing arm 20 and the second swing arm 30, the first swing arm 20 and the second swing arm 30 can rotate, and when the first swing arm 20 and the second swing arm 30 rotate to a required angle, the fixing mechanism 40 fixes the first swing arm 20 and the second swing arm 30 to be non-rotatable; when the first swing arm 20 and the second swing arm 30 are horizontally arranged, the first swing arm 20 and the second swing arm 30 are fixed and can not rotate through the fixing mechanism 40, at the moment, the articles 50 are horizontally arranged, and the articles 50 are mutually abutted to form the table, so that the practicability is higher; thus, when the objects 50 are horizontally arranged, the table can be used as a small tea table or a small desk, and when the objects 50 are vertically arranged, the space can be saved.
In another embodiment of the present invention, as shown in fig. 1 to 6, the fixing mechanism 40 includes a pulling strip thimble 41, a compression spring 42 and a blocking piece 43; the position clamping sheet 43 is fixedly connected to the first swing arm 20 or the second swing arm 30, and at least two limiting holes 431 are formed in the position clamping sheet 43; the brace thimble 41 is connected with the support 10, one end of the brace thimble 41 penetrating through the support 10 is provided with a limiting part 411, and the limiting part 411 is limited in one limiting hole 431; the compression spring 42 is sleeved outside the brace thimble 41, one end of the compression spring is connected with the limiting part 411, and the other end of the compression spring is connected with the support 10. Specifically, the blocking piece 43 can be disposed on the first swing arm 20 or the second swing arm 30 as required, in this embodiment, the blocking piece 43 is fixedly connected to the first swing arm 20 and rotates along with the rotation of the first swing arm 20; when the fixing device is used, at least two limiting holes 431 are formed in the clamping sheet 43, external force is applied to the pulling strip ejector pin 41, the limiting part 411 limited in one limiting hole 431 is pulled out of the limiting hole 431, the compression spring 42 is compressed at the moment, the first swing arm 20 and the second swing arm 30 are rotated, the other limiting hole 431 is opposite to the limiting part 411, the external force is relieved, the pulling strip ejector pin 41 is elastically inserted into the limiting hole 431, the first swing arm 20 is fixed, and therefore the relative position of the placed objects 50 is changed.
In another embodiment of the present invention, as shown in fig. 1 to 4 and 6, the position-retaining pieces 43 are disposed in a fan shape, and the central angle is ninety degrees; the number of the limiting holes 431 is three, and the three limiting holes 431 are evenly distributed along the arc edge of the clamping piece 43 at intervals. Specifically, in this embodiment, the number of the limiting holes 431 is three, the position-limiting piece 43 is in a sector shape, and the center of the position-limiting piece 43 is fixed on the first swing arm 20 by a fastener such as a screw, and rotates along with the rotation of the first swing arm 20; because the number of the limiting holes 431 is three, and the three limiting holes 431 are evenly distributed along the arc edge of the clamping piece 43 at intervals, the multifunctional rotatable deformation type shelf has three shapes, wherein firstly, each object 50 is vertical, secondly, each object 50 is staggered, and thirdly, each object 50 is horizontal.
In another embodiment of the present invention, as shown in fig. 1 to 4 and 7, the position-retaining pieces 43 are disposed in a fan shape, and the central angle is ninety degrees; five limiting holes 431 are formed, and the five limiting holes 431 are uniformly distributed along the arc edge of the clamping piece 43 at intervals. Specifically, in this embodiment, the number of the limiting holes 431 is five, the position-limiting piece 43 is in a sector shape, and the center of the position-limiting piece 43 is fixed on the first swing arm 20 by a fastener such as a screw and rotates along with the rotation of the first swing arm 20; because the spacing hole 431 is five, and five spacing holes 431 evenly arrange along the arc limit interval of screens piece 43 for the contained angle that forms between two adjacent spacing holes 431 and the screens piece 43 is 18, and then can adjust the form of quintic putting the thing blue, more has the practicality.
In another embodiment of the present invention, as shown in fig. 1 to 5, the fixing mechanism 40 further includes a fixing plate 44 and a bolt 45, the fixing plate 44 is disposed on a side of the bracket 10 facing away from the position-locking plate 43; one section of the brace thimble 41 penetrates through the fixing piece 44; the bolt 45 passes through the fixing plate 44 and is screwed to the bracket 10. Specifically, the fixing piece 44 is attached to a side surface of the support 10, which faces away from the clamping piece 43, and the fixing piece 44 is fixed on the support 10 through the bolt 45, after the shape of the shelf is changed, the position is limited, when the brace thimble 41 is restored to the original shape by the elastic force, one end of the brace thimble 41, which faces away from the clamping piece 43, collides with the fixing piece 44, and the brace thimble 41 is prevented from directly colliding with the support 10 through the fixing piece 44, so that the support 10 is damaged.
In another embodiment of the present invention, as shown in fig. 1, the article 50 is a basket, and the bottom of each basket is provided with a plurality of drainage holes 51. Specifically, the article placing member may be a laminate or a basket, in this embodiment, the article placing basket may drain moisture of the articles placed in the article placing basket through the draining holes 51, and keep ventilation and drying.
In another embodiment of the present invention, as shown in fig. 8, a cover plate 60 is covered on the mouth of each storage basket, and four limiting convex strips 61 are disposed on one side of the cover plate 60, and the four limiting convex strips 61 respectively correspond to four sides of the cover plate 60 and are used for limiting the cover plate 60 on the mouth of the storage basket. Specifically, the four limiting convex strips 61 are respectively parallel to four corresponding side edges of the cover plate 60, after the cover plate 60 is covered on the opening of the storage basket, the side edges of the four limiting convex strips 61 close to the outside are respectively abutted to four corresponding inner side surfaces in the storage basket; the four limit convex strips 61 are used for limiting the cover plate 60, and when the storage baskets are horizontally arranged, the cover plates 60 are mutually abutted to form a desktop.
In another embodiment of the present invention, as shown in fig. 1 to 3, the number of the placing members 50 is three. Specifically, the number of the center-set objects 50 in the present embodiment is three.
In another embodiment of the present invention, as shown in fig. 1 to 3, the bottom of the support frame 10 is provided with a universal wheel 70. Specifically, the bottom of support 10 is equipped with four universal wheels 70, removes transport labour saving and time saving to universal wheel 70 is connected with support 10 detachable, can regard as removing supporter, removal bookshelf, can regard as uses such as tea table, desk after laying flat, is fit for indoor suitable external use, has more the practicality.
In another embodiment of the present invention, as shown in fig. 1 to 3, a transverse connecting pipe 80 is disposed on the support 10, the transverse connecting pipe 80 is disposed at the bottom of the support 10, and both ends of the transverse connecting pipe 80 are connected to the support 10. Specifically, the cross-connecting tube 80 is two pieces in this embodiment, and the two cross-connecting tubes 80 are spaced apart from each other in parallel for improving the structural strength of the stent 10.
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 utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a multi-functional rotatable deformation formula supporter which characterized in that: comprises a bracket, a first swing arm, a second swing arm, a fixing mechanism and at least two articles; the first swing arm and the second swing arm are arranged in parallel at intervals and are both in rotating connection with the bracket; each article placing device is rotatably connected with the first swing arm and the second swing arm, and can be horizontally arranged under the swinging of the first swing arm and the second swing arm to form a small tea table; the fixing mechanism is connected with the support and the first swing arm or the second swing arm and used for fixing the first swing arm and the second swing arm.
2. The multifunctional rotatable deformation type commodity shelf according to claim 1, wherein: the fixing mechanism comprises a brace thimble, a compression spring and a clamping piece; the clamping piece is fixedly connected to the first swing arm or the second swing arm, and at least two limiting holes are formed in the clamping piece; the brace ejector pin is connected with the support, one end of the brace ejector pin, which penetrates through the support, is provided with a limiting part, and the limiting part is limited in one limiting hole; the compression spring is sleeved outside the brace thimble, one end of the compression spring is connected with the limiting part, and the other end of the compression spring is connected with the support.
3. The multifunctional rotatable deformation type commodity shelf according to claim 2, wherein: the clamping pieces are arranged in a fan shape, and the central angle is ninety degrees; the number of the limiting holes is three, and the three limiting holes are evenly distributed along the arc edge of the clamping piece at intervals.
4. The multifunctional rotatable deformation type commodity shelf according to claim 2, wherein: the clamping pieces are arranged in a fan shape, and the central angle is ninety degrees; the number of the limiting holes is five, and the five limiting holes are evenly distributed along the arc edge of the clamping piece at intervals.
5. The multifunctional rotatable deformation type commodity shelf according to claim 2, wherein: the fixing mechanism also comprises a fixing plate and a bolt, wherein the fixing plate is arranged on one side of the support, which is back to the clamping plate; one section of the brace thimble penetrates through the fixed sheet; the bolt penetrates through the fixing plate and is in threaded connection with the support.
6. The multifunctional rotatable deformation type commodity shelf according to any one of claims 1 to 5, wherein: the article placing device is a placing basket, and a plurality of draining holes are formed in the bottom of each placing basket.
7. The multifunctional rotatable deformation type commodity shelf according to claim 6, wherein: and the opening part of each article placing basket is covered with a cover plate, one side surface of the cover plate is provided with four limiting convex strips, and the four limiting convex strips respectively correspond to the four side edges of the cover plate and are used for limiting the cover plate at the opening part of the article placing basket.
8. The multifunctional rotatable deformation type commodity shelf according to any one of claims 1 to 5, wherein: the number of the placing objects is three.
9. The multifunctional rotatable deformation type commodity shelf according to any one of claims 1 to 5, wherein: the bottom of the support is provided with universal wheels.
10. The multifunctional rotatable deformation type commodity shelf according to any one of claims 1 to 5, wherein: the support is provided with a transverse connecting pipe, the transverse connecting pipe is arranged at the bottom of the support, and two ends of the transverse connecting pipe are connected with the support.
CN202122664699.XU 2021-11-02 2021-11-02 Multifunctional rotatable deformation type storage rack Active CN216364310U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122664699.XU CN216364310U (en) 2021-11-02 2021-11-02 Multifunctional rotatable deformation type storage rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122664699.XU CN216364310U (en) 2021-11-02 2021-11-02 Multifunctional rotatable deformation type storage rack

Publications (1)

Publication Number Publication Date
CN216364310U true CN216364310U (en) 2022-04-26

Family

ID=81249662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122664699.XU Active CN216364310U (en) 2021-11-02 2021-11-02 Multifunctional rotatable deformation type storage rack

Country Status (1)

Country Link
CN (1) CN216364310U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116098398A (en) * 2023-03-03 2023-05-12 浙江瑞隆家居科技有限公司 Multi-purpose rack for quick assembling layered articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116098398A (en) * 2023-03-03 2023-05-12 浙江瑞隆家居科技有限公司 Multi-purpose rack for quick assembling layered articles
CN116098398B (en) * 2023-03-03 2023-08-08 浙江瑞隆家居科技有限公司 Multi-purpose rack for quick assembling layered articles

Similar Documents

Publication Publication Date Title
CA2434460C (en) Assemble-in-place modular storage
CN216364310U (en) Multifunctional rotatable deformation type storage rack
CN210930976U (en) Foldable support of outdoor oven
CN209863071U (en) Rack for placing articles
CN211130141U (en) Desktop storage rack convenient to store
CN212521218U (en) Exempt from to install corner supporter
CN209862802U (en) Environment-friendly indoor decoration folding cabinet
CN215225718U (en) Shoe cabinet
CN215945188U (en) Two side bucket racks
CN213282045U (en) Quick detachable equipment's cupboard
CN212815976U (en) Multifunctional storage rack
CN217365214U (en) Use nimble rotatory goods shelves structure
CN215922827U (en) Unilateral water barrel frame
CN214340929U (en) Folding storage rack
CN217771915U (en) Vertical showcase convenient to equipment
CN220236408U (en) Rotatable commodity shelf
CN221012658U (en) Office supplies sell with storage frame of being convenient for remove
CN217610043U (en) All-directional rotating shoe rack
CN220494900U (en) Fixed hidden towel rack
CN214016714U (en) Dustproof dish rack
CN217013243U (en) Stainless steel furred ceiling supporter with function is stored to multilayer
CN219306553U (en) Frame body structure based on kitchen rack
CN214803306U (en) Multi-angle rotating indoor article rack capable of being assembled and disassembled freely
TWM600129U (en) Simple combined draining dish rack
CN214631733U (en) Foldable barbecue grill

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant