CN103031997B - Subway platform screen door panel lock - Google Patents

Subway platform screen door panel lock Download PDF

Info

Publication number
CN103031997B
CN103031997B CN201110301698.7A CN201110301698A CN103031997B CN 103031997 B CN103031997 B CN 103031997B CN 201110301698 A CN201110301698 A CN 201110301698A CN 103031997 B CN103031997 B CN 103031997B
Authority
CN
China
Prior art keywords
panel
lock
locked
snap fastener
door panel
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
CN201110301698.7A
Other languages
Chinese (zh)
Other versions
CN103031997A (en
Inventor
汪文志
余和军
郭峰
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.)
Panasonic Manufacturing Beijing Co Ltd
Original Assignee
Panasonic Manufacturing Beijing 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 Panasonic Manufacturing Beijing Co Ltd filed Critical Panasonic Manufacturing Beijing Co Ltd
Priority to CN201110301698.7A priority Critical patent/CN103031997B/en
Publication of CN103031997A publication Critical patent/CN103031997A/en
Application granted granted Critical
Publication of CN103031997B publication Critical patent/CN103031997B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a subway platform screen door panel lock, which is used for locking a master support and a panel which covers the external side of the master support. At least one end of the master support is exposed out of the panel. The subway platform screen door panel lock comprises a plug assembly, a locking mechanism which is connected onto the master support, and a clamping mechanism with one end being connected with the panel and the other end being clamped with the locking mechanism. The end of the master support which is exposed out of the panel is provided with a plug slot. The plug assembly is embedded in the plug slot. One end of a lock rod is fixedly connected with a rotating driving sheet. During rotation of the lock rod, the rotating driving sheet drives a sliding plate to move from an initial position and push the locking mechanism to leave a position where the locking mechanism and the clamping mechanism are mutually clamped, the panel is opened, the sliding plate is restored to the initial position and the locking mechanism is automatically restored to the clamped position; and when the panel is fastened towards the master support, the panel drives the clamping mechanism to get close to the locking mechanism and enable the other end of the clamping mechanism to be clamped with the locking mechanism. By using the subway platform screen door panel lock, automatic locking can be realized when the panel and the master support are fastened.

Description

A kind of subway shield door panel lock
Technical field
The present invention relates to a kind of panel lock, relate in particular to a kind of subway shield door panel lock.
Background technology
Fig. 1 is the structural representation of subway shield door panel lock in prior art.As shown in Figure 1, being mutually locked between panel 100 of the prior art and fixed structure realized by being arranged on the lock 300 of panel 100 downsides.During locking, by key turns, lock 300, make to lock 300 with fixed structure on corresponding shackle portion be mutually locked, during release, be also lock 300 by key turns, make its with fixed structure on shackle portion disengaging accordingly.Although this locking mechanism is simple in structure, the installation accuracy of lock is required higher, if mutual mechanical cooperation position mistake slightly, probably causing cannot be sealed smoothly, impact operation.Meanwhile, need a hand to share panel 100 while closing panel, another hand rotates key and carrys out manual locking, has virtually increased much inconvenience like this in operation.In addition, this structure makes the distance between panel 100 and fixed structure unadjustable, is not easy to the installation site that operating personnel debug panel 100 and fixed structure in actual installation.Finally, because lock 300 of the prior art is arranged on the middle part of panel 100 downsides, cause panel 100 and the latched position of fixed structure to be positioned at the middle part of panel 100, thereby the two ends of panel 100 are easily upwarped, and between fixed structure, form very large gap, be not well positioned to meet the requirement of the inner cleanliness factor of fixed structure.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of subway shield door panel lock, by subway shield door panel lock of the present invention, and can be so that panel be realized automatic locking while fastening with being always supported on.
In order to solve the problems of the technologies described above, the invention provides a kind of subway shield door panel lock, be used for sealed total support and cover described total panel that supports outside, at least one end of described total support is exposed to outside described panel, described subway shield door panel lock comprises lock core assembly, be movably connected on the inner side that locked mechanism in described total support and one end be fixedly connected on described panel and the snap fastener that the other end engages with described locked mechanism, wherein:
One end that described total support is exposed to outside panel offers for the lock core slotted eye of described lock core assembly is set, described lock core assembly is embedded in described lock core slotted eye, one end of the locking bar of described lock core assembly is fixedly connected with rotation plectrum, when described rotation plectrum rotates with described locking bar, stirring the slide plate being connected on described locked mechanism moves and promotes described locked mechanism away from the position mutually engaging with described snap fastener from its initial position, described panel is opened, described slide plate is reset to initial position, and described locked mechanism automatically returns to the position of engaging;
When described panel fastens to described total support, described panel drives described snap fastener progressively near described locked mechanism and the other end of described snap fastener is engaged with described locked mechanism realization.
As preferably, described locked mechanism comprises the pedestal being rotationally connected with described total support, the clamp for mutually engaging with described snap fastener being connected with described pedestal, described clamp protrudes from described total support away from a side of described panel, described clamp be vertically connected at described total support away from the first back-moving spring that is connected with position for described locked mechanism is engaged with described snap fastener mutually to it between the support in a side of described panel and resets.
As preferably, described snap fastener comprises the installing rack being fixedly connected with the inner side of described panel and is connected to the grab on described installing rack, and described grab and the clamp of described locked mechanism form and mutually engage.
As preferably, described grab is the adjustable distance between described grab and described panel that is connected to change with described installing rack.
As preferably, described locked mechanism is provided with the first slide guide inclined-plane for snap fastener described in slide guide when described panel fastens to described total support; On described snap fastener, be provided with the second slide guide inclined-plane for locked mechanism described in slide guide when described panel fastens to described total support.
As preferably, between described slide plate and described total support, be connected with the second back-moving spring for described slide plate is resetted to its initial position.
As preferably, described lock core assembly comprises the lock tube being set in outside described locking bar, between described locking bar and lock tube, be provided with and be set on described locking bar and stage clip that one end is connected with the diapire of described lock tube, the other end of described stage clip is connected with and is set on described locking bar and the lock sliding sleeve concordant with described lock core assembly port, and described lock slides under the promotion of key and can move to the diapire of described lock tube.
As preferably, the cross section of the locking bar of lock core assembly is polygon.
Compared with prior art, the beneficial effect of subway shield door panel lock of the present invention is:
1, locked mechanism and snap fastener mutually engage and panel can be fastened cover in total support, and by the mode of elastomeric element is set, make locked mechanism in release and the position that can automatically return to engaging after fastening, realized easily and effectively the function of subway shield door panel lock automatic locking of the present invention;
2, the grab of snap fastener is adjustable connection with installing rack, is changed the distance between described grab and panel, for the Installation and Debugging in practice of construction provide very large facility;
3, panel and total latched position supporting are positioned at the left and right sides of panel, changed the structure that panel and total sealed point supporting are in the past positioned at middle part, panel lower end, thereby the two ends of panel are not easy distortion to be upwarped, at utmost meet total inner cleanliness factor requirement of supporting.
Accompanying drawing explanation
Fig. 1 is the structural representation of subway shield door panel lock in prior art;
Fig. 2 is arranged on the Facad structure schematic diagram on total support and panel for showing the subway shield door panel lock of embodiments of the invention;
Fig. 3 is arranged on the side sectional structure schematic diagram on total support and panel for showing the subway shield door panel lock of embodiments of the invention;
Fig. 4 is lock core assembly and the slide plate fit structure schematic diagram of the subway shield door panel lock of embodiments of the invention;
Fig. 5 is the locked mechanism of the subway shield door panel lock of demonstration embodiments of the invention and the structural representation that snap fastener is mutually locked;
Fig. 6 is the structural representation that demonstrates A-A sectional view part in Fig. 2;
Fig. 7 is the structural representation that demonstrates B-B sectional view part in Fig. 2.
Main description of reference numerals
100-panel 200-always supports
2001-lock core slotted eye 300-lock
1-rotates plectrum 2-slide plate
3-locking bar 4-locked mechanism
41-pedestal 42-clamp
43-the first slide guide inclined-plane 5-support
6-the first back-moving spring 7-snap fastener
71-installing rack 72-grab
73-the second slide guide inclined-plane 8-lock sliding sleeve
9-stage clip 10-pin
11-the second back-moving spring 12-cottor pin
13-lock tube
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the subway shield door panel lock of embodiments of the invention is described in further detail, but not as a limitation of the invention.
Fig. 2 is arranged on the Facad structure schematic diagram on total support and panel for showing the subway shield door panel lock of embodiments of the invention, Fig. 3 is arranged on the side sectional structure schematic diagram on total support and panel for showing the subway shield door panel lock of embodiments of the invention, Fig. 4 is lock core assembly and the slide plate fit structure schematic diagram of the subway shield door panel lock of embodiments of the invention, Fig. 5 is the locked mechanism of the subway shield door panel lock of demonstration embodiments of the invention and the structural representation that snap fastener is mutually locked, Fig. 6 is the structural representation that demonstrates A-A sectional view part in Fig. 1, Fig. 7 is the structural representation that demonstrates B-B sectional view part in Fig. 1.As shown in Figures 2 to 7, the subway shield door panel lock of embodiments of the invention, for sealed total support 200 with cover the panel 100 in total support 200 outsides, always supports at least one end of 200 and is exposed to outside panel 100.The subway shield door panel lock of embodiments of the invention comprises lock core assembly, be movably connected on that locked mechanism 4 in total support 200 and one end are fixedly connected on the inner side of panel 100 and snap fastener 7 that the other end engages with locked mechanism 4.Total 200 one end that are exposed to outside panel 100 of supporting offer for the lock core slotted eye 2001 of described lock core assembly is set, and described lock core assembly is embedded in lock core slotted eye 2001, and one end of the locking bar 3 of described lock core assembly is fixedly connected with rotates plectrum 1.When release, the key turns locking bar 3 matching with the subway shield door panel lock with embodiments of the invention, while rotating plectrum 1 with locking bar 3 rotation, stirring the slide plate 2 being connected on locked mechanism 4 moves and promotes locked mechanism 4 away from the position mutually engaging with snap fastener 7 from its initial position, panel 100 is opened, slide plate 2 is reset to initial position, and locked mechanism 4 automatically returns to the position of engaging.Rotating plectrum 1 can be to be fixedly connected with slide plate 2, can be also as shown in Figure 6, by pin 10, is mutually socketed.When panel 100 fastens to total support 200, panel 100 drives snap fasteners 7 progressively near locked mechanism 4 and the other end of snap fastener 7 is engaged with locked mechanism 4 realizations.Wherein:
Locked mechanism 4 automatically returns to the position of engaging and can realize by add elastomeric element on locked mechanism 4, for example, can be by adding between locked mechanism 4 and other fixed part for hindering locked mechanism 4 and total 200 springs that relative displacements occur that support, or support 200 and is flexibly connected end and adds spring for hindering locked mechanism 4 and total support 200 generation relative displacements (as torsion spring etc.) and realize etc. with total at locked mechanism 4.The specific embodiment that the subway shield door panel lock of embodiments of the invention adopts is, locked mechanism 4 comprises the pedestal 41 being rotationally connected with total support 200, the clamp 42 for mutually engaging with snap fastener 7 being connected with pedestal 41, clamp 42 protrudes from total support 200 away from a side of panel 100, and snap fastener 7 also protrudes from total support 200 accordingly away from a side of panel 100 like this.Wherein, pedestal 41 can be rotationally connected by cottor pin 12 and total support 200.In addition, always support in 200 sides away from panel 100 and be vertically installed with support 5, between clamp 42 and support 5, be connected with the first back-moving spring 6 of the position reset for locked mechanism 4 engage mutually to itself and snap fastener 7.The first back-moving spring 6 can be according to locked mechanism 4 and the relative position of support 5 in actual installation, is correspondingly chosen as extension spring or is stage clip.The first back-moving spring 6 providing in the accompanying drawing of the present embodiment is extension springs.When slide plate 2 promotes locked mechanism 4, locked mechanism 4 is held to form to rotate around being rotationally connected of pedestal 41 and always support 200 and is progressively left with the mutual position engaging of snap fastener 7 until depart from completely with snap fastener 7.Panel 100 is opened, and locked mechanism 4, under the effect of the first back-moving spring 6, resets to the position mutually engaging with snap fastener 7.
Slide plate 2 is reset to this function of initial position and can realizes by adding elastomeric element.For example, on locking bar 3, install back-moving spring additional it is completed after release, rotate backward and make to rotate plectrum 1 and drive slide plate 2 to reset, or between slide plate 2 and total support 200, add back-moving spring and make its reset.The specific embodiment that the subway shield door panel lock of embodiments of the invention adopts is that slide plate 2 and total support between 200 are connected with for the second back-moving spring 11 to its initial position reset by slide plate 2.The second back-moving spring 11 can be according to slide plate 2 position in actual installation, be correspondingly chosen as extension spring or be stage clip.When completing after release with key, the second back-moving spring 11 automatically resets slide plate 2 by deformation elastic force, has saved the trouble manually slide plate 2 being resetted, and simultaneously because it is automatically separated with locked mechanism 4, makes the reset of locked mechanism 4 more smooth and easy.
Above structure is arranged so that the subway shield door panel lock of embodiments of the invention can solve the problem that need to make by the mode of manual locking panel and total support mutually lock existing in prior art, reduced the requirement to installation accuracy when installation panel is locked in prior art, for operation brings great convenience.
As improvement, the snap fastener 7 of the subway shield door panel lock of embodiments of the invention comprises the installing rack 71 being fixedly connected with the inner side of panel 100 and is connected to the grab 72 on installing rack 71, and grab 72 engages mutually with clamp 42 formation of locked mechanism 4.Further, grab 72 is connected to change the distance between grab 72 and panel 100 with installing rack 71 for adjustable.Grab 72 is can to realize by for example following specific embodiment adjustable connection with installing rack 71:
On grab 72 and installing rack 71, a plurality of installing holes are set respectively, by securing member, with interlace mode, are fixedly connected with grab 72 and/or installing rack 71 mounting hole site each other to reach the object that changes the distance between grab 72 and panel 100;
On grab 72 and installing rack 71, bar-shaped trough is set, by securing member, along bar-shaped trough, makes grab 72 and installing rack 71 be fixedly connected with to reach the object that changes the distance between grab 72 and panel 100.
Due in actual installation construction, panel 100 and total spacing supporting between 200 are not unique, and arrange by the structure such as the above specific embodiment, relative position between installing rack 71 and grab 72 can be adjusted, panel 100 and total the support on 200 that can be adapted to different spacing in reality, the mechanical erection between the installation of counter plate lock and panel and total support all provides great convenience simultaneously.
As further improvement, the locked mechanism 4 of the subway shield door panel lock of embodiments of the invention is provided with the first slide guide inclined-plane 43 for slide guide snap fastener 7 when panel 100 fastens to total support 200; On snap fastener 7, be provided with the second slide guide inclined-plane 73 for slide guide locked mechanism 4 when panel 100 fastens to total support 200.When panel 100 is in total support 200 fastening processes, due to the position that locked mechanism 4 is before reset to by the first back-moving spring 6 and snap fastener 7 engages mutually, now snap fastener 7 will produce to squeeze to locked mechanism 4 and push away active force, by the first slide guide inclined-plane 43 for slide guide snap fastener 7 with for the second slide guide inclined-plane 73 of slide guide locked mechanism 4, snap fastener 7 can squeeze smoothly and push away the position that locked mechanism 4 leaves and snap fastener 7 engages mutually, when squeezing, push away after active force releasing, the first back-moving spring 6 resets locked mechanism 4, form and mutually engage with snap fastener 7.This structure is arranged so that panel 100 is very convenient, smooth and easy with total support 200 fastening each other.Wherein, the first slide guide inclined-plane 43 can be arranged on clamp 42, and the second slide guide inclined-plane 73 can be arranged on grab 72.
As another kind, improve, described lock core assembly comprises the lock tube 13 being set in outside locking bar 3, between locking bar 3 and lock tube 13, be provided with and be set on locking bar 3 and stage clip 9 that one end is connected with the diapire of lock tube 13, the other end of stage clip 9 is connected with and is set on locking bar 3 and the lock sliding sleeve 8 concordant with described lock core assembly port, and lock sliding sleeve 8 can move to the diapire of lock tube 13 under the promotion of key.In releasing process, key that the subway shield door panel lock with embodiments of the invention is matched inserts lock core assembly, and pushing tow lock sliding sleeve 8 compression press springs 9 move to lock core diapire direction, and then exposes locking bar 3 and engage with key and carry out release.After release completes, extract key, lock sliding sleeve 8, due to the expansionary force of stage clip 9, resets to the position concordant with lock core assembly port again.Such structure setting does not expose locking bar 3 when normality, plays the effect that protection lock bar 3 and exterior trim are attractive in appearance.
As further improvement, the cross section of the locking bar 3 of the lock core of the subway shield door panel lock of embodiments of the invention is polygon.This structure, in releasing process, can increase the interaction force between key and locking bar 3, can be used in conjunction with, easy to operate, saves manpower.
Above embodiment is only exemplary embodiment of the present invention, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.

Claims (8)

1. a subway shield door panel lock, be used for sealed total support and cover described total panel that supports outside, it is characterized in that, at least one end of described total support is exposed to outside described panel, described subway shield door panel lock comprises lock core assembly, be movably connected on the inner side that locked mechanism in described total support and one end be fixedly connected on described panel and the snap fastener that the other end engages with described locked mechanism, wherein:
One end that described total support is exposed to outside panel offers for the lock core slotted eye of described lock core assembly is set, described lock core assembly is embedded in described lock core slotted eye, one end of the locking bar of described lock core assembly is fixedly connected with rotation plectrum, when described rotation plectrum rotates with described locking bar, stirring the slide plate being connected on described locked mechanism moves and promotes described locked mechanism away from the position mutually engaging with described snap fastener from its initial position, described panel is opened, described slide plate is reset to initial position, and described locked mechanism automatically returns to the position of engaging;
When described panel fastens to described total support, described panel drives described snap fastener progressively near described locked mechanism and the other end of described snap fastener is engaged with described locked mechanism realization.
2. subway shield door panel lock according to claim 1, it is characterized in that, described locked mechanism comprises the pedestal being rotationally connected with described total support, the clamp for mutually engaging with described snap fastener being connected with described pedestal, described clamp protrudes from described total support away from a side of described panel, described clamp be vertically connected at described total support away from the first back-moving spring that is connected with position for described locked mechanism is engaged with described snap fastener mutually to it between the support in a side of described panel and resets.
3. subway shield door panel lock according to claim 1, it is characterized in that, described snap fastener comprises the installing rack that is fixedly connected with the inner side of described panel and is connected to the grab on described installing rack, and described grab and the clamp of described locked mechanism form and mutually engage.
4. subway shield door panel lock according to claim 3, is characterized in that, described grab is the adjustable distance between described grab and described panel that is connected to change with described installing rack.
5. subway shield door panel lock according to claim 1, is characterized in that, described locked mechanism is provided with the first slide guide inclined-plane for snap fastener described in slide guide when described panel fastens to described total support; On described snap fastener, be provided with the second slide guide inclined-plane for locked mechanism described in slide guide when described panel fastens to described total support.
6. subway shield door panel lock according to claim 1, is characterized in that, is connected with the second back-moving spring for described slide plate is resetted to its initial position between described slide plate and described total support.
7. subway shield door panel lock according to claim 1, it is characterized in that, described lock core assembly comprises the lock tube being set in outside described locking bar, between described locking bar and lock tube, be provided with and be set on described locking bar and stage clip that one end is connected with the diapire of described lock tube, the other end of described stage clip is connected with and is set on described locking bar and the lock sliding sleeve concordant with described lock core assembly port, and described lock slides under the promotion of key and can move to the diapire of described lock tube.
8. subway shield door panel lock according to claim 1, is characterized in that, the cross section of the locking bar of described lock core assembly is polygon.
CN201110301698.7A 2011-09-30 2011-09-30 Subway platform screen door panel lock Active CN103031997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110301698.7A CN103031997B (en) 2011-09-30 2011-09-30 Subway platform screen door panel lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110301698.7A CN103031997B (en) 2011-09-30 2011-09-30 Subway platform screen door panel lock

Publications (2)

Publication Number Publication Date
CN103031997A CN103031997A (en) 2013-04-10
CN103031997B true CN103031997B (en) 2014-11-12

Family

ID=48019349

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110301698.7A Active CN103031997B (en) 2011-09-30 2011-09-30 Subway platform screen door panel lock

Country Status (1)

Country Link
CN (1) CN103031997B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103628746B (en) * 2013-12-17 2015-11-18 中国人民解放军理工大学 A kind of security lock arrangement of protective airtight partition door for subway district

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10038867A1 (en) * 2000-08-04 2002-02-14 Geze Gmbh Motor-driven sliding door for platform, has locking unit with electrical- and emergency release systems
CN2709599Y (en) * 2004-06-25 2005-07-13 方大集团股份有限公司 Hand release mechanism
CN1712659A (en) * 2004-06-16 2005-12-28 纳博特斯克株式会社 Platform shielded door device
CN2937389Y (en) * 2006-07-28 2007-08-22 沈阳博林特电梯有限公司 Locking device for screen door

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10038867A1 (en) * 2000-08-04 2002-02-14 Geze Gmbh Motor-driven sliding door for platform, has locking unit with electrical- and emergency release systems
CN1712659A (en) * 2004-06-16 2005-12-28 纳博特斯克株式会社 Platform shielded door device
CN2709599Y (en) * 2004-06-25 2005-07-13 方大集团股份有限公司 Hand release mechanism
CN2937389Y (en) * 2006-07-28 2007-08-22 沈阳博林特电梯有限公司 Locking device for screen door

Also Published As

Publication number Publication date
CN103031997A (en) 2013-04-10

Similar Documents

Publication Publication Date Title
CZ27190U1 (en) Setting device for setting position of front panel sliding drawer
CN104328945B (en) A kind of electronic lock clutch
CN103853257B (en) Snap fastener and related electronic device thereof
CN203257238U (en) Buffer device
CN103031997B (en) Subway platform screen door panel lock
WO2017088232A1 (en) Led stand, led screen module and led screen
CN201671466U (en) Automatic rebounding and closing shower door
US9299270B2 (en) Door vacancy indicator
CN204715916U (en) A kind of based on the spiral pick-proof lock returning clutch module and bi-motor module
CN103811840A (en) Fixing mechanism with easy installation and antenna device
CN205778016U (en) A kind of lock catch connecting device and LED box
CN105404355A (en) Adjustable docking device and display device therewith
CN103190772B (en) Mounting structure of sliding rail assembly
CN104161403A (en) Locking and separating structure for front face plate of drawer
CN204457107U (en) A kind of Novel sound-silencing Automatic anti-theft lock
CN103417012A (en) Fast dismounting and mounting mechanism of drawer back connecting assembly
CN103225447B (en) Displacing lock
CN203257818U (en) Lock pin mechanism
CN202810387U (en) Automatic magnetic lock
CN202728110U (en) Product assembling structure
CN204531744U (en) Attacker and vehicle in car door
CN202965521U (en) Embedded-type mini-printer easy to install
CN103914916A (en) Vending machine
CN207159597U (en) Assemble mechanism and washing machine for washing machine
CN203252574U (en) Connecting bridge structure of closestool seat ring

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model