CN216517567U - Sliding door and window aluminum profile easy to install - Google Patents

Sliding door and window aluminum profile easy to install Download PDF

Info

Publication number
CN216517567U
CN216517567U CN202122185341.9U CN202122185341U CN216517567U CN 216517567 U CN216517567 U CN 216517567U CN 202122185341 U CN202122185341 U CN 202122185341U CN 216517567 U CN216517567 U CN 216517567U
Authority
CN
China
Prior art keywords
window
door
glass
sliding
slide
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
CN202122185341.9U
Other languages
Chinese (zh)
Inventor
吴建杰
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.)
Hubei Kaimei Aluminum Co ltd
Original Assignee
Hubei Kaimei Aluminum 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 Hubei Kaimei Aluminum Co ltd filed Critical Hubei Kaimei Aluminum Co ltd
Priority to CN202122185341.9U priority Critical patent/CN216517567U/en
Application granted granted Critical
Publication of CN216517567U publication Critical patent/CN216517567U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Wing Frames And Configurations (AREA)

Abstract

The utility model relates to an easy-to-install push-pull door and window aluminum profile, which comprises a door and window profile arranged on a door frame, wherein the inner side of the door and window profile is provided with a first glass, a screen window and a second glass, and the easy-to-install push-pull door and window aluminum profile is characterized in that: the door frame section bar includes the last solid framework of installation mutually with the door frame top surface, the line ball of fixing mutually with first glass, with last solid framework relative setting go up the slip, the detachable mounting of connecting above going up the slip and the gliding of installing mutually with the door frame bottom surface, and screen window and the vertical setting of second glass are between going up the slip and gliding, and the upper and lower both ends of the two respectively with go up slip and gliding sliding connection. This plug-type door and window section bar is through its gliding structure, and when raining, the rainwater can certain extent and effectively must follow the water drainage tank and discharge the door frame, effectively improves the waterproof performance of window frame. The sliding block matched with the sliding block of the sliding door and window profile is of the same type, so that the interchangeability of the sliding door and window profile can be improved, and the cost required by production is reduced.

Description

Sliding door and window aluminum profile easy to install
Technical Field
The utility model relates to the technical field of doors and windows, in particular to an easily-installed sliding door and window aluminum profile.
Background
At present, the sectional materials used in building doors and windows mainly comprise plastic sectional materials and aluminum sectional materials, the plastic sectional materials have low bending strength and poor impact resistance, are easy to fade, and not only have yellow surfaces after long-time use, but also are easy to age, crisp or deform; the aluminum profile has poor heat-insulating capability, sound-insulating and noise-reducing performance and poor airtight and watertight performance, so that building doors and windows made of aluminum-plastic-aluminum composite profiles gradually appear on the market, the aluminum-plastic-aluminum composite profiles integrate the advantages of the plastic profiles and the aluminum profiles, the advantages are complemented, and all the performances are improved.
The aluminum-plastic-aluminum composite door and window is a novel door and window behind aluminum alloy door and window, plastic-steel window and aluminum alloy bridge-cut-off door and window, all the sections of the aluminum-plastic-aluminum composite door and window separate and tightly connect indoor and outdoor aluminum alloy sections into a whole through middle plastic sections, a novel composite section is formed, the door and window overcomes the defects of the aluminum alloy door and window and the plastic-steel window, combines the advantages of the aluminum alloy door and window and the plastic-steel window, and has the characteristics of high strength, attractive appearance and excellent heat insulation performance.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the push-pull door and window aluminum profile easy to install, and solves the problem that the composite door and window is poor in waterproof performance.
In order to achieve the purpose, the utility model provides the following technical scheme: an easily-installed sliding type door and window aluminum profile comprises a door and window profile installed on a door frame, wherein first glass, a screen window and second glass are installed on the inner side of the door and window profile, the door frame profile comprises an upper fixing frame body installed on the top surface of the door frame, a pressing line fixed with the first glass, an upper slide arranged opposite to the upper fixing frame body, a fixing piece detachably connected above the upper slide and a buckle plate installed on the bottom surface of the door frame, the screen window and the second glass are vertically arranged between the upper slide and the lower slide, and the upper end and the lower end of the screen window and the upper end and the lower end of the second glass are respectively connected with the upper slide and the lower slide in a sliding manner;
the height of the side wall of the lower slide close to the room is higher than that of the side wall of the lower slide close to the room, a plurality of installation units are arranged on the inner side of the lower slide from the room to the room in parallel, and the upper ends of the installation units incline downwards from the room to the room.
As a preferable technical scheme of the utility model, the upper end and the lower end of the screen window are respectively connected with a sliding block, the lower end of the upper slide and the upper end of the lower slide are respectively provided with a first sliding rail matched with the sliding blocks, and the two sliding blocks are respectively fixedly arranged on the two first sliding rails.
As a preferable technical scheme of the utility model, one end, close to the indoor side, of each of the two sliding blocks is provided with a first groove, the inner side of each first groove is provided with a buckle plate, and the upper end and the lower end of the screen window are respectively and fixedly arranged in the two first grooves and are abutted against the buckle plates.
As a preferable technical solution of the present invention, the upper end and the lower end of the second glass are respectively connected with a sliding block, the lower end of the upper slide and the upper end of the lower slide are respectively provided with a second sliding rail matched with the upper slide, and the two sliding blocks are respectively slidably disposed on the two second sliding rails.
As a preferable technical scheme of the utility model, two groups of four sliders far away from the indoor side are provided with second grooves at the ends close to each other, and the upper end and the lower end of the second glass are respectively fixedly arranged in the two second grooves.
As a preferred technical solution of the present invention, the top of the upper fixing frame extends inward to form a first clamping groove, the inner side of the upper fixing frame is provided with a first screw hole, a first accommodating cavity is further formed below the upper fixing frame, a first fastening boss extends below the upper fixing frame to form a first glass top limiting portion together with a pressing line installed on the first accommodating cavity.
As a preferable technical scheme of the utility model, a second accommodating cavity is further formed above the fixing piece, two buckles are arranged below the fixing piece, the fixing piece extends upwards to form a second buckle boss, and the second buckle boss and a pressing line arranged on the second accommodating cavity form a first glass bottom limiting part.
As a preferable technical scheme of the utility model, the lower part of the pressing line extends outwards and forms a locking buckle and a corner.
As a preferable technical scheme of the present invention, two second screw holes are provided at an inner side of the upper slide, an upper portion of the upper slide extends inward to form a second clamping groove, the second clamping groove is abutted against the buckle, and three lower extension ends are provided below the second screw holes in parallel.
As a preferable technical scheme of the present invention, the number of the mounting units is three, each mounting unit is provided with an extending member, the inner side of the lower slide is provided with two third screw holes, the inner side of the lower slide is further provided with a transverse plate, a third clamping groove is formed by extending in the lower direction of the lower slide, and the third clamping groove and the transverse plate form an open-type drainage groove.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. the screen window of the sliding door and window section bar and the fixing mode of the glass and the section bar are simple and convenient to install.
2. This plug-type door and window section bar is through its gliding structure, and when raining, the rainwater can certain extent and effectively must follow the water drainage tank and discharge the door frame, effectively improves the waterproof performance of window frame.
3. The sliding block matched with the sliding block of the sliding door and window profile is of the same type, so that the interchangeability of the sliding door and window profile can be improved, and the cost required by production is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
FIG. 2 is a schematic view of the upper fixing frame structure of the present invention;
FIG. 3 is a schematic view of the fastener construction of the present invention;
FIG. 4 is a schematic view of a wire pressing structure according to the present invention;
FIG. 5 is a schematic view of the upper slide structure of the present invention;
FIG. 6 is a schematic view of the glide configuration of the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
in the figure: 1. an upper fixed frame body; 101. a first card slot; 102. a first screw hole; 103. a first accommodating chamber; 104. a first snap boss; 2. a fixing member; 201. buckling; 202. a second snap boss; 203. a second accommodating chamber; 3. a first glass; 4. pressing the wire; 401. a locking buckle; 402. a corner; 5. sliding upwards; 501. a second screw hole; 502. a lower extension end; 503. a second card slot; 6. sliding downwards; 601. a mounting unit; 602. an extension member; 603. a third screw hole; 604. a transverse plate; 605. a third card slot; 606. a water discharge tank; 7. a slider; 8. buckling the plate; 9. a screen window; 10. a second glass.
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.
Example 1
As shown in fig. 1-7, the utility model provides a sliding door and window aluminum profile, which comprises a door and window profile installed on a door frame, wherein the inner side of the door and window profile is provided with first glass 3, a screen window 9 and second glass 10, the door frame profile comprises an upper fixed frame body 1 installed on the top surface of the door frame, a pressing line 4 fixed with the first glass 3, an upper slide 5 arranged opposite to the upper fixed frame body 1, a fixing piece 2 detachably connected above the upper slide 5 and a buckle plate 8 installed on the bottom surface of the door frame, the screen window 9 and the second glass 10 are vertically arranged between the upper slide 5 and the lower slide 6, and the upper end and the lower end of the two are respectively connected with the upper slide 5 and the lower slide 6 in a sliding manner;
the first glass 3 is fixed between the upper fixed frame 1 and the fixed part 2, and the screen window 9 and the second glass 10 are installed on the inner sides of two oppositely arranged slide blocks 7 and can move along the horizontal direction.
The height of the side wall of the lower slide 6 close to the indoor is higher than that of the side wall of the lower slide 6 close to the outdoor, a plurality of mounting units 601 are arranged on the inner side of the lower slide 6 in parallel from the indoor to the outdoor, and the upper ends of the mounting units 601 are inclined downwards from the indoor to the outdoor.
The side wall height that the gliding 6 is close to indoor side is higher than its outdoor side wall and will have certain water-proof effects, and when outdoor ponding is more, ponding is difficult direct flow to indoor, plays certain wall effect.
The upper end and the lower end of the screen window 9 are respectively connected with a sliding block 7, the lower end of the upper sliding 5 and the upper end of the lower sliding 6 are respectively provided with a first sliding rail matched with the sliding blocks 7, and the two sliding blocks 7 are respectively fixedly arranged on the two first sliding rails.
The slider 7 can move along the length direction of the first slide rail.
One end of each of the two sliding blocks 7 close to the indoor side is provided with a first groove, the buckling plates 8 are installed on the inner sides of the first grooves, and the upper end and the lower end of the screen window 9 are fixedly arranged in the two first grooves respectively and are abutted to the buckling plates 8.
The pinch plate 8 is arranged on the inner side of the slide block 7 and is connected in a buckling mode. The gap between the buckle plate 8 and the screen window 9 is filled with sealing glue, so that the buckle plate 8 and the screen window 9 are combined more tightly (the buckle plate 8 and the screen window 9 are connected in a buckle mode, and the gap is filled with the sealing glue after connection, so that the screen window 9 can be fixed).
The upper end and the lower end of the second glass 10 are respectively connected with a sliding block 7, the lower end of the upper slide 5 and the upper end of the lower slide 6 are respectively provided with a second sliding rail matched with the upper slide 5, and the two sliding blocks 7 are respectively arranged on the two second sliding rails in a sliding manner.
The lower end of the upper slide 5 is detachably connected with a second slide rail, and the second slide rail is matched with the slide block 7, so that the slide block 7 can move along the horizontal direction.
Two groups of four sliders 7 away from the indoor side are provided with second grooves at the ends close to each other, and the upper end and the lower end of the second glass 10 are respectively fixedly arranged in the two second grooves.
The opening end of the slider 7 has certain elasticity and the gap is smaller and is not the gap shown in the figure, the opening size of the opening end of the slider 7 is matched with the thickness of the second glass 10, after the second glass 10 is inserted along the length direction of the slider 7, the end of the slider 7 is clamped with the outer side surface of the second glass 10, and after the second glass and the second glass are clamped, the gap is filled with sealing glue, and finally, the second glass 10 is fixed relative to the slider 7.
Go up the top of solid framework 1 and inwards extend and form first draw-in groove 101, go up the inboard of solid framework 1 and be equipped with first screw hole 102, go up the below of solid framework 1 and still seted up first chamber 103 that holds, go up the below of solid framework 1 and extend and form first buckle boss 104, it constitutes first glass top spacing portion with the line ball 4 of first installation of holding on the chamber 103.
The first screw hole 102 is used for fixing the whole upper fixing frame body 1 and the top of the door frame, the top of the first glass 3 is clamped under the combined action of the first buckle boss 104 and the pressing line 4 installed in the first accommodating cavity 103, and after clamping is completed, sealant is filled in the gap of the first glass 3, so that the top of the first glass 3 can be fixed.
The second holding cavity 203 is further formed above the fixing member 2, two buckles 201 are arranged below the fixing member 2, the upper portion of the fixing member 2 extends upwards to form a second buckle boss 202, and the second buckle boss and the pressing line 4 mounted on the second holding cavity 203 form a first glass bottom limiting portion.
The buckle 201 is used for fixing the whole upper slide 5 of the fixing part 2, the bottom of the first glass 3 is clamped under the combined action of the second buckle boss 202 and the pressing line 4 installed in the second accommodating cavity 203, and after clamping is completed, sealant is filled in the gap of the second buckle boss 202 and the pressing line 4, so that the bottom of the first glass 3 can be fixed.
The lower portion of the pressing line 4 extends outward and forms a locking buckle 401 and a corner 402.
The locking buckle 401 and the corner 402 facilitate the installation of the whole pressing line 4 between the first accommodating cavity 103 and the second accommodating cavity 203.
Two second screw holes 501 are arranged on the inner side of the upper slide 5, the upper part of the upper slide 5 extends inwards to form a second clamping groove 503, the second clamping groove 503 is abutted against the buckle 201, and three lower extending ends 502 are arranged below the second screw holes 501 in parallel.
The second slide rail detachably connected to the lower end of the upper slide 5 written above, specifically, the lower end 502 is provided with a second slide rail, a second slot 503 is used for fixing the fixing member 2 and the upper slide 5, and a second screw hole 501 is used for fixing the whole upper slide 5 and the side of the door frame.
The number of the mounting units 601 is three, each mounting unit 601 is provided with an extension piece 602, the inner side of the lower slide 6 is provided with two third screw holes 603, the inner side of the lower slide 6 is further provided with a horizontal plate 604, a third clamping groove 605 is formed by extending the lower side of the lower slide 6 in the inward direction, and the third clamping groove 605 and the horizontal plate 604 form an open-type drainage groove 606.
Extension 602 is corresponding with detachable fixed second slide rail on the lower extension 502, and lower extension 502 is used for the fixed of top slider 7, and extension 602 is used for the fixed of below slider 7, and a plurality of through-hole can be seted up at installation unit 601 in its length direction, and when having ponding on installation unit 601, ponding can leak to water drainage tank 606 department under the through-hole, avoids ponding to be taken indoor.
Specifically, this push-pull type door and window section bar's concrete mounting means: after the slider 7 and the buckle 8 are installed, the screen window 9 is inserted between the two buckles 8, the gaps among the slider 7, the buckles 8 and the screen window 9 are filled with sealant, the slider 7 and the second glass 10 are installed (the second glass 10 is inserted along the length direction of the slider 7), the gap between the slider 7 and the second glass 10 is filled with sealant, the upper fixing frame 1, the upper sliding 5 and the lower sliding 6 are fixed with the doorframe frame, and three sliding bodies consisting of the slider 7, the buckles 8, the screen window 9 and the second glass 10 are inserted along the horizontal direction, so that the fixation among the three sliding bodies can be completed. And finally, buckling the fixing piece 2 above the upper slide 5, inserting the first glass 3 along the direction of the fixing piece 2, and finally installing the pressing line 4 to complete the fixation between the whole sliding door and window section bar and the door frame.
The screen window and the glass of the sliding door and window section bar are fixed with the section bar in a simple mode and are convenient to install. This plug-type door and window section bar is through its gliding structure, and when raining, the rainwater can certain extent and effectively must follow the water drainage tank and discharge the door frame, effectively improves the waterproof performance of window frame. The sliding block matched with the sliding block of the sliding door and window profile is of the same type, so that the interchangeability of the sliding door and window profile can be improved, and the cost required by production is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a plug-type door and window aluminium alloy of easy installation, is including installing the door and window section bar on the door frame, first glass (3), screen window (9) and second glass (10), its characterized in that are installed to door and window section bar inboard: the door frame section comprises an upper fixing frame body (1) arranged on the top surface of the door frame, a pressing line (4) fixed with the first glass (3), an upper slide (5) arranged opposite to the upper fixing frame body (1), a fixing piece (2) detachably connected above the upper slide (5) and a lower slide (6) arranged on the bottom surface of the door frame, wherein the screen window (9) and the second glass (10) are vertically arranged between the upper slide (5) and the lower slide (6), and the upper end and the lower end of the screen window (9) and the lower end of the second glass (10) are respectively in sliding connection with the upper slide (5) and the lower slide (6);
the indoor lateral wall height that is close to of gliding (6) is higher than it is close to outdoor lateral wall, the inboard of gliding (6) is equipped with a plurality of installation units (601) by indoor to outdoor side by side, the upper end of installation unit (601) is by indoor outdoor downward sloping.
2. An easily-installed push-pull door and window aluminum profile as claimed in claim 1, wherein: the upper end and the lower end of the screen window (9) are respectively connected with a sliding block (7), the lower end of the upper sliding block (5) and the upper end of the lower sliding block (6) are respectively provided with a first sliding rail matched with the sliding blocks (7), and the two sliding blocks (7) are respectively fixedly arranged on the two first sliding rails.
3. An easily installed push-pull door and window aluminum profile as claimed in claim 2, wherein: two sliding blocks (7) close to the indoor side are provided with first grooves at one ends, close to each other, buckles (8) are installed on the inner sides of the first grooves, and the upper end and the lower end of the screen window (9) are fixedly arranged in the two first grooves respectively and are abutted to the buckles (8).
4. An easily-installed push-pull door and window aluminum profile as claimed in claim 1, wherein: the upper end and the lower end of the second glass (10) are respectively connected with a sliding block (7), the lower end of the upper slide (5) and the upper end of the lower slide (6) are respectively provided with a second sliding rail matched with the upper slide (5), and the sliding blocks (7) are respectively slidably arranged on the second sliding rails.
5. An easily installed push-pull door and window aluminum profile as claimed in claim 4, wherein: two groups of four sliders (7) far away from the indoor side are provided with second grooves at the ends close to each other, and the upper end and the lower end of the second glass (10) are fixedly arranged in the two second grooves respectively.
6. An easily-installed push-pull door and window aluminum profile as claimed in claim 1, wherein: go up the top of solid framework (1) and inwards extend and form first draw-in groove (101), the inboard of going up solid framework (1) is equipped with first screw hole (102), the below of going up solid framework (1) has still been seted up first chamber (103) that holds, the below of going up solid framework (1) extends and forms first buckle boss (104), its with line ball (4) of installation on first chamber (103) of holding constitute first glass top spacing portion.
7. An easily installed push-pull door and window aluminum profile as claimed in claim 6, wherein: the glass bottom limiting device is characterized in that a second accommodating cavity (203) is further formed in the upper portion of the fixing piece (2), two buckles (201) are arranged below the fixing piece (2), the upper portion of the fixing piece (2) extends upwards to form a second buckle boss (202), and the second buckle boss and a pressing line (4) installed on the second accommodating cavity (203) form a first glass bottom limiting portion.
8. An easily-installed push-pull door and window aluminum profile as claimed in claim 1, wherein: the lower part of the pressing line (4) extends outwards and forms a locking buckle (401) and a corner (402).
9. An easily installed push-pull door and window aluminum profile as claimed in claim 7, wherein: go up slide (5) inboard and be equipped with two second screw holes (501), the top of going up slide (5) is inside to be extended and to form second draw-in groove (503), second draw-in groove (503) with buckle (201) are inconsistent, the below of second screw hole (501) is equipped with three downwardly extending end (502) side by side.
10. An easily-installed push-pull door and window aluminum profile as claimed in claim 1, wherein: the mounting units (601) are three, each mounting unit (601) is provided with an extending piece (602), two third screw holes (603) are formed in the inner side of the downward sliding (6), a transverse plate (604) is further arranged on the inner side of the downward sliding (6), a third clamping groove (605) is formed in the downward direction of the downward sliding (6) in an extending mode, and the third clamping groove (605) and the transverse plate (604) form a drainage groove (606) with an open structure.
CN202122185341.9U 2021-09-10 2021-09-10 Sliding door and window aluminum profile easy to install Active CN216517567U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122185341.9U CN216517567U (en) 2021-09-10 2021-09-10 Sliding door and window aluminum profile easy to install

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122185341.9U CN216517567U (en) 2021-09-10 2021-09-10 Sliding door and window aluminum profile easy to install

Publications (1)

Publication Number Publication Date
CN216517567U true CN216517567U (en) 2022-05-13

Family

ID=81516670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122185341.9U Active CN216517567U (en) 2021-09-10 2021-09-10 Sliding door and window aluminum profile easy to install

Country Status (1)

Country Link
CN (1) CN216517567U (en)

Similar Documents

Publication Publication Date Title
CN216517567U (en) Sliding door and window aluminum profile easy to install
CN102392578A (en) Aluminum-plastic-wood composite window
CN202299016U (en) Waterproof heat-insulating cellular curtain wall
CN112523640B (en) Sliding window
CN201306092Y (en) Insulator for energy-saving aluminum alloy windows and doors
CN211230025U (en) Hidden-sash downward-suspended sliding window
CN215332313U (en) Frame and sash parallel and level hidden drainage bridge-cut-off aluminum alloy window
CN214463521U (en) Window frame structure with check keep off
CN216517566U (en) Plug-type door and window aluminium alloy that waterproof performance is good
CN211287286U (en) Aluminium alloy sliding window sash
CN215056558U (en) Glue injection type door and window middle waist downward sliding aluminum profile
CN201865502U (en) Middle stile and outer frame structure of aluminium alloy inside-swing window frame
CN216811415U (en) Bridge cut-off sliding door
CN215408354U (en) Aluminum type door and window with good sealing effect
CN110630141A (en) Heat preservation and insulation reinforcing structure of high-performance ground spring door
CN216974581U (en) Sliding window seal structure of environment-friendly
CN216517536U (en) Door and window stile aluminium alloy of easy installation
CN216767114U (en) Door and window frame with high heat insulation performance and high wind pressure resistance performance
CN219034497U (en) Sliding energy-saving door and window system
CN216517568U (en) Three-rail type bridge-cut-off sliding door and window aluminum profile with good protection performance
CN201306094Y (en) Thermal insulation strip with screw hole for energy-saving aluminum alloy doors and windows
CN215332302U (en) Mullion for window
CN216894049U (en) Novel structure promotes push-and-pull door
CN209924715U (en) Aluminum alloy door and window gliding structure
CN220101091U (en) Side-hung window middle stile connecting piece

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant