CN210828021U - Suspended ceiling structure - Google Patents

Suspended ceiling structure Download PDF

Info

Publication number
CN210828021U
CN210828021U CN201921568251.4U CN201921568251U CN210828021U CN 210828021 U CN210828021 U CN 210828021U CN 201921568251 U CN201921568251 U CN 201921568251U CN 210828021 U CN210828021 U CN 210828021U
Authority
CN
China
Prior art keywords
ceiling board
plate
suspended ceiling
furred ceiling
slide rail
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.)
Expired - Fee Related
Application number
CN201921568251.4U
Other languages
Chinese (zh)
Inventor
陈国华
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.)
Guangzhou Minghui Construction Engineering Co ltd
Original Assignee
Guangzhou Minghui Construction Engineering 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 Guangzhou Minghui Construction Engineering Co ltd filed Critical Guangzhou Minghui Construction Engineering Co ltd
Priority to CN201921568251.4U priority Critical patent/CN210828021U/en
Application granted granted Critical
Publication of CN210828021U publication Critical patent/CN210828021U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

The utility model relates to an architectural decoration engineering field has the problem of potential safety hazard when taking off to the furred ceiling board, provides a suspended ceiling structure, and this technical scheme is as follows: the utility model provides a suspended ceiling structure, includes the mounting panel, and it has the trompil to open on the mounting panel, installs the furred ceiling board on the mounting panel, rotates on the furred ceiling board to be connected with the bull stick, and the bull stick runs through the furred ceiling board, and the one end fixedly connected with fixed plate of bull stick is sunken fluted on the pore wall of trompil, and two relative pore walls of trompil are sunken to have a slide rail, and slide rail sliding connection has the slider, and the slider rotates with the furred ceiling board to be connected, is. Through the setting of slide rail and slider for the furred ceiling board moves along the slide rail, and the mounting in the slider is fixed the furred ceiling board, makes the trompil open, realizes the dismantlement of furred ceiling board, and the furred ceiling board is difficult for dropping from the trompil because of taking the shakiness when dismantling, reduces the potential safety hazard.

Description

Suspended ceiling structure
Technical Field
The utility model belongs to the technical field of the architectural decoration engineering and specifically relates to a suspended ceiling structure is related to.
Background
The suspended ceiling is an important subsection project of the architectural decoration project, has the functions of heat preservation, heat insulation, sound insulation, making up the defects of a house, increasing the layering sense of the space, facilitating the supplement of a light source, facilitating the cleaning and sound absorption, and is also a hidden layer of projects such as electric, ventilation and air conditioning, communication and fire prevention, alarm pipeline equipment and the like.
At present, an indoor central air conditioner is generally arranged above an installation plate, a ceiling board near the central air conditioner needs to be taken down during routine maintenance of the air conditioner, maintenance work is carried out again, if the ceiling board is unstable to take down, the ceiling board can fall off when being separated from the installation plate, potential safety hazards exist, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a suspended ceiling structure has the advantage that improves the security when dismantling the furred ceiling board.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a suspended ceiling structure, includes the mounting panel, it has the trompil to open on the mounting panel, install the furred ceiling board that leads to and close the trompil on the mounting panel, it is connected with the bull stick to rotate on the furred ceiling board, the bull stick runs through the furred ceiling board, the one end fixedly connected with fixed plate of bull stick, sunken have the recess that supplies fixed plate male on the pore wall of trompil, when the fixed plate inserts the recess, the position at closed trompil is fixed to the furred ceiling board, the sunken slide rail that has of two relative pore walls of trompil, the slide rail sets up to the other end along the one end of furred ceiling board, slide rail sliding connection has the slider, the slider rotates with the.
Through adopting above-mentioned technical scheme, when overhauing the central air conditioner in the mounting panel, need take off near central air conditioner's furred ceiling board, it makes the fixed plate roll out the recess to rotate the bull stick, the furred ceiling board is relieved fixedly, it makes the furred ceiling board be located vertical state to rotate the furred ceiling board, setting through slide rail and slider, make the furred ceiling board move along the slide rail, mounting in the slider is fixed the furred ceiling board, make the trompil expose, make things convenient for the staff to the maintenance of central air conditioner, and simultaneously, the furred ceiling board is when dismantling, because one side and the slider of furred ceiling board are connected, so the furred ceiling board is difficult for dropping from the trompil because of taking.
The utility model discloses further set up to: the mounting is located the mounting panel and sets up towards the slider, the mounting includes the fixed block, fixedly connected with fixed spring in the fixed block, fixed spring is close to slider one end fixedly connected with dead lever, dead lever and fixed block sliding connection, the dead lever is kept away from fixed block one end and is stretched into the slide rail and with slide rail sliding connection, the part that the slide rail was stretched into to the dead lever is arc, it has the dead lever male fixed slot to supply to cave in on the slider, fixed spring is in compression state.
Through adopting above-mentioned technical scheme, when the slider removed the dead lever position along the slide rail, the dead lever received the extrusion compression fixed spring of slider to the fixed block direction removal, and the slider continues to remove to fixed slot and dead lever just to the time along the slide rail, and the dead lever receives during fixed spring's elasticity inserts the fixed slot, realizes spacing to the furred ceiling board, because of the limiting displacement of fixed slot for the motion of furred ceiling board horizontal direction receives the restriction, and then carries on spacingly to the furred ceiling board.
The utility model discloses further set up to: the two opposite sides of the ceiling board are fixedly connected with bulges, the bulges are positioned in the middle of the side edges of the ceiling board, and the bulges are rotationally connected with the sliding blocks.
Through adopting above-mentioned technical scheme, lie in the setting in the middle part of furred ceiling board side through rotating the junction for the furred ceiling board atress when rotating is more even, is difficult for appearing because of rotating the furred ceiling board time, and the cracked condition takes place for the furred ceiling board because of the atress is uneven.
The utility model discloses further set up to: the suspended ceiling plate is provided with guide rails on the side edges adjacent to the sliding blocks, the guide rails are arranged along the vertical direction, the height of each guide rail is not less than half of the length of the side edge of the suspended ceiling plate, the suspended ceiling plate is fixedly connected with a convex block, the convex block is rotatably connected with a connecting rod, and the connecting rod is connected with the guide rails in a sliding mode.
Through adopting above-mentioned technical scheme, rotate the furred ceiling board, the furred ceiling board removes along the slide rail along the slider, and simultaneously, the lug drives the connecting rod and moves along the guide rail, and the guide rail plays restriction furred ceiling board horizontal pivoted effect for the furred ceiling board is difficult for rocking, and then makes the furred ceiling board more firm when fixed.
The utility model discloses further set up to: at least two guide rails are distributed along the side edge of the suspended ceiling plate.
Through adopting above-mentioned technical scheme, because of the guide rail has two at least along the furred ceiling board side distribution for the pressure when the guide rail receives the furred ceiling board to slide diminishes, and then makes the connecting rod more stable along the motion of guide rail.
The utility model discloses further set up to: and one end of the guide rail, which is far away from the ceiling board, is fixedly connected with a limiting spring.
Through adopting above-mentioned technical scheme, through the setting of spacing spring for the furred ceiling board receives spacing spring's cushioning effect when the rapid movement, and the connecting rod is difficult for bumping with the one end that the furred ceiling board was kept away from to the guide rail, is favorable to extension connecting rod life.
The utility model discloses further set up to: one side of the connecting rod facing the ceiling board is fixedly connected with a buffer spring.
Through adopting above-mentioned technical scheme, when the furred ceiling board is when sealing the trompil, buffer spring makes the connecting rod have certain cushion effect, and the connecting rod is difficult for bumping with the mounting panel, is favorable to extension connecting rod life.
The utility model discloses further set up to: the fixing piece is arranged at one end close to the guide rail.
Through adopting above-mentioned technical scheme, when the fixed rod carries on spacingly to the furred ceiling board, the furred ceiling board is close to the guide rail for the trompil exposed area is bigger, makes things convenient for staff's maintenance more.
The utility model discloses further set up to: and one end of the rotating rod extending out of the ceiling plate is sleeved with a rotating handle.
Through adopting above-mentioned technical scheme, there is an impetus when the staff rotates the bull stick, more makes things convenient for the staff to rotate the bull stick.
The utility model discloses further set up to: and one surface of the ceiling board facing the indoor space is fixedly connected with a pull rod.
Through adopting above-mentioned technical scheme, when the staff has an impetus when rotating the furred ceiling board, more make things convenient for the staff to rotate the furred ceiling board.
To sum up, the utility model discloses following beneficial effect has:
1. through the setting of slide rail and slider for the furred ceiling board moves along the slide rail, and the mounting in the slider is fixed the furred ceiling board, makes the trompil open, realizes the dismantlement of furred ceiling board, and the furred ceiling board is when dismantling, because of one side and the slider of furred ceiling board are connected, makes the furred ceiling board be difficult for dropping from the trompil because of taking to put the shakiness, reduces the potential safety hazard.
2. When the slide block moves to the position where the fixed groove is opposite to the fixed rod, the fixed rod is popped up under the elastic action of the fixed spring, the abrasion condition caused by friction between the fixed rod and the slide block is reduced, and the service life of the fixed rod is prolonged.
3. When the fixed rod carries out the spacing of horizontal direction to the slider, the furred ceiling board is difficult for rocking under the vertical direction limiting displacement of guide rail for the furred ceiling board is more firm when fixed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection relationship between the fixing plate and the ceiling plate of the present invention;
fig. 3 is a schematic structural view of the ceiling plate of the present invention;
FIG. 4 is an enlarged view of A in FIG. 3;
fig. 5 is a schematic structural view of the fixing member of the present invention;
fig. 6 is a schematic view of the connection relationship between the middle slider and the protrusion of the present invention.
In the figure: 1. mounting a plate; 2. opening a hole; 3. a ceiling plate; 4. a fixing plate; 5. a groove; 6. a rotating rod; 7. a protrusion; 8. a slide rail; 9. a slider; 10. a fixing member; 101. a fixed block; 102. fixing the rod; 103. fixing the spring; 11. fixing grooves; 12. a guide rail; 13. a bump; 14. a connecting rod; 15. a limiting spring; 16. a buffer spring; 17. a handle is rotated; 18. a pull rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model provides a suspended ceiling structure, see figure 1, figure 2 and figure 3, including mounting panel 1, it has trompil 2 to open on the mounting panel 1, install the furred ceiling board 3 that leads to and close trompil 2 on the mounting panel 1, it is connected with bull stick 6 to rotate on the furred ceiling board 3, bull stick 6 runs through furred ceiling board 3, the one end fixedly connected with fixed plate 4 of bull stick 6, it has confession fixed plate 4 male recess 5 to cave in on the pore wall of trompil 2, when fixed plate 4 inserts recess 5, the position at closed trompil 2 is fixed to furred ceiling board 3, the relative both sides integrated into one piece of furred ceiling board 3 has arch 7 (see figure 6), arch 7 rotates and is connected with slider 9, the relative both sides wall of trompil 2 is sunken to have the gliding slide rail 8 of confession slider 9, slide rail 8 sets up along the one.
The cross section of the fixing plate 4 is rectangular, and the fixing plate 4 extends into the groove 5 and is rotatably connected with the groove 5.
The rotating handle 17 is sleeved at one end of the rotating rod 6 extending out of the ceiling board 3, the size of the rotating handle 17 is larger than that of the rotating rod 6, and the rotating handle 17 is in a circular truncated cone shape.
The sliding groove in the sliding rail 8 is C-shaped, and the C-shaped opening of the sliding rail 8 is opposite to the ceiling board 3.
Referring to fig. 3 and 4, a guide rail 12 vertically arranged is fixedly mounted on the mounting plate 1, the length of the guide rail 12 is greater than half of the length of the ceiling board 3, one end of the guide rail 12 far away from the mounting plate 1 is fixedly connected with a limiting spring 15, two adjacent side edges of the guide rail 12 provided with the protrusions 7 are distributed along the ceiling board 3, a connecting rod 14 is slidably connected in the guide rail 12, one end of the connecting rod 14 far away from the guide rail 12 is rotatably connected with a convex block 13, and the convex block 13 is fixedly connected with the ceiling board 3.
A buffer spring 16 is fixedly connected to one surface of the connecting rod 14 facing the mounting plate 1.
A pull rod 18 is fixedly connected to one indoor side of the ceiling plate 3, and the pull rod 18 is positioned on one side far away from the slide rail 8.
A fixing member 10 is located in the mounting plate 1, the fixing member 10 being disposed toward the slider 9, the fixing member 10 being disposed near one end of the guide rail 12.
Referring to fig. 5, the fixing member 10 includes a fixing block 101, a fixing spring 103 is fixedly connected to the inside of the fixing block 101, a fixing spring 103 is fixedly connected to a fixing rod 102 facing to one end of the slider 9, the fixing rod 102 is slidably connected to the fixing block 101, the cross section of the fixing block 101 is circular, the fixing spring 103 is in a compressed state, one end of the fixing rod 102, which is far away from the fixing spring 103, extends into the slide rail 8, the fixing rod 102 is slidably connected to the slide rail 8, the portion, extending into the slide rail 8, of the fixing rod 102 is hemispherical, the diameter, located in the fixing block 101, of the fixing rod 102 is larger than the diameter, located outside the fixing block 101, of the fixing.
Referring to fig. 6, the cross section of the protrusion 7 is circular, the protrusion 7 extends into the slider 9, the diameter of the protrusion 7 extending into the slider 9 is larger than the diameter of the protrusion 7 extending out of the slider 9, and the protrusion 7 is located in the middle of the ceiling board 3 in the length direction of the two opposite sides (see fig. 3).
The working conditions and principles of the embodiment are as follows:
when the central air conditioner is overhauled and a ceiling board 3 near the central air conditioner needs to be opened, the rotating handle 17 is rotated to enable the fixing plate 4 to be separated from the groove 5, so that the fixing of the ceiling board 3 is released, the pull rod 18 is pulled, the ceiling board 3 rotates along the axis of the protrusion 7, the connecting rod 14 moves upwards along the guide rail 12 due to the rotation of the ceiling board 3, the ceiling board 3 moves horizontally along the slide rail 8 towards the guide rail 12 along with the slide block 9, when the slide block 9 moves to the position of the fixing rod 102, the fixing rod 102 moves towards the direction of the fixing block 101 due to the arrangement of the fixing spring 103, when the slide block 9 continues to move until the fixing groove 11 is opposite to the fixing rod 102, the fixing rod 102 is inserted into the fixing groove 11 due to the spring elasticity, the fixing of the ceiling board 3 is realized, the hole 2 is exposed, the overhauling of the central air conditioner, therefore, the falling from the hole due to unstable holding is not easy, and the potential safety hazard is reduced.
When the overhaul finishes and the suspended ceiling plate 3 needs to be installed, the pulling pull rod 18 is pulled, the fixing rod 102 contracts inwards, the fixation of the suspended ceiling plate 3 is released, the suspended ceiling plate 3 is far away from the horizontal motion of the guide rail 12 along the sliding block 9, the connecting rod 14 slides downwards along the sliding rail 8, when the sliding block 9 moves to the middle of the sliding rail 8, the suspended ceiling plate 3 is horizontally placed and the opening hole 2 is sealed, the rotating handle 17 is rotated to enable the fixing plate 4 to be located in the groove 5, the installation of the suspended ceiling plate 3 is completed, the installation of the suspended ceiling plate 3 can be achieved through the pulling pull rod.
Because of protruding 7 is located the middle part of the relative both sides of furred ceiling board 3 for the atress is more even when the furred ceiling board 3 rotates, is difficult for leading to the furred ceiling board 3 fracture because of the furred ceiling board 3 atress is uneven.
Because of the fixed block 101 is close to the setting of guide rail 12 for trompil 2 exposes the area bigger when fixed, more makes things convenient for staff's maintenance of furred ceiling board 3.
Through the setting of guide rail 12 for furred ceiling board 3 receives vertical direction's spacing when removing, and then makes furred ceiling board 3 more firm through the motion of connecting rod 14 along guide rail 12, and difficult appearance rocks.
By the arrangement of the two guide rails 12, the pressure of the guide rails 12 against the ceiling tile 3 is reduced, and the movement of the connecting rod 14 along the guide rails 12 is further stabilized.
Through the setting of connecting rod 14 for the motion of furred ceiling board 3 is more nimble, and the difficult condition that blocks in guide rail 12 when the furred ceiling board 3 moves appears.
Through the setting of limiting spring 15 for connecting rod 14 is when sliding along slide rail 8, is difficult for colliding with slide rail 8, is favorable to prolonging the life of connecting rod 14.
Through the arrangement of the buffer spring 16, when the connecting rod 14 moves downwards along the guide rail 12, the connecting rod is not easy to collide with the mounting plate 1, and the service life of the connecting rod 14 is prolonged.
By the arrangement of the fixing rod 102, the movement of the ceiling panel 3 in the horizontal direction of the guide rail 12 is restricted, and the ceiling panel 3 is fixed.
Through the arrangement of the rotating handle 17, a force application point is formed when the rotating rod 6 is rotated by a worker, and the rotating rod 6 is more convenient for the worker to rotate.
Through the arrangement of the pull rod 18, a force application point is formed when the worker moves the ceiling board 3, and the worker can move the ceiling board 3 conveniently.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a suspended ceiling structure, includes mounting panel (1), it has trompil (2) to open on mounting panel (1), install furred ceiling board (3) of logical closed trompil (2) on mounting panel (1), characterized by: the utility model discloses a roof hanging plate, including roof hanging plate (3), bull stick (6) run through roof hanging plate (3), the one end fixedly connected with fixed plate (4) of bull stick (6), it has confession fixed plate (4) male recess (5) to cave in on the pore wall of trompil (2), when fixed plate (4) insert recess (5), the position at closed trompil (2) is fixed in roof hanging plate (3), two relative pore wall depressions of trompil (2) have slide rail (8), slide rail (8) are along the one end to the other end setting of roof hanging plate (3), slide rail (8) sliding connection has slider (9), slider (9) rotate with roof hanging plate (3) and are connected, be equipped with on slide rail (8) and fix mounting (10) on slide rail (8) with slider (9).
2. A suspended ceiling structure as claimed in claim 1, wherein: mounting (10) are located mounting panel (1) and set up towards slider (9), mounting (10) are including fixed block (101), fixed block (101) internal fixation is connected with fixed spring (103), fixed spring (103) are close to slider (9) one end fixedly connected with dead lever (102), dead lever (102) and fixed block (101) sliding connection, the dead lever is kept away from fixed block (101) one end and is stretched into slide rail (8) and with slide rail (8) sliding connection, the part that dead lever (102) stretched into slide rail (8) is arc, slider (9) upper recess has confession dead lever (102) male fixed slot (11), fixed spring (103) are in the compression state.
3. A suspended ceiling structure as claimed in claim 1, wherein: the ceiling plate is characterized in that bulges (7) are fixedly connected to two opposite sides of the ceiling plate (3), the bulges (7) are located in the middle of the side edge of the ceiling plate (3), and the bulges (7) are rotatably connected with the sliding blocks (9).
4. A suspended ceiling structure as claimed in claim 1, wherein: the suspended ceiling plate is characterized in that a guide rail (12) is arranged on the side edge where the sliding block (9) is arranged, the guide rail (12) is arranged in the vertical direction, the height of the guide rail (12) is not less than half of the length of the side edge of the suspended ceiling plate (3), a convex block (13) is fixedly connected with the suspended ceiling plate (3), the convex block (13) is rotatably connected with a connecting rod (14), and the connecting rod (14) is connected with the guide rail (12) in a sliding mode.
5. A suspended ceiling structure according to claim 4, wherein: at least two guide rails (12) are distributed along the side edge of the suspended ceiling plate (3).
6. A suspended ceiling structure according to claim 5, wherein: and one end of the guide rail (12) far away from the suspended ceiling plate (3) is fixedly connected with a limiting spring (15).
7. A suspended ceiling structure as claimed in claim 6, wherein: and one surface of the connecting rod (14) facing the ceiling plate (3) is fixedly connected with a buffer spring (16).
8. A suspended ceiling structure according to claim 4, wherein: the fixing piece (10) is arranged at one end close to the guide rail (12).
9. A suspended ceiling structure as claimed in claim 1, wherein: and one end of the rotating rod (6) extending out of the ceiling plate (3) is sleeved with a rotating handle (17).
10. A suspended ceiling structure as claimed in claim 1, wherein: and one surface of the ceiling board (3) facing the indoor is fixedly connected with a pull rod (18).
CN201921568251.4U 2019-09-19 2019-09-19 Suspended ceiling structure Expired - Fee Related CN210828021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921568251.4U CN210828021U (en) 2019-09-19 2019-09-19 Suspended ceiling structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921568251.4U CN210828021U (en) 2019-09-19 2019-09-19 Suspended ceiling structure

Publications (1)

Publication Number Publication Date
CN210828021U true CN210828021U (en) 2020-06-23

Family

ID=71251985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921568251.4U Expired - Fee Related CN210828021U (en) 2019-09-19 2019-09-19 Suspended ceiling structure

Country Status (1)

Country Link
CN (1) CN210828021U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114922335A (en) * 2022-05-23 2022-08-19 苏州佰业达建筑装饰工程有限公司 Modularized lifting type integrated ceiling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114922335A (en) * 2022-05-23 2022-08-19 苏州佰业达建筑装饰工程有限公司 Modularized lifting type integrated ceiling
CN114922335B (en) * 2022-05-23 2024-05-10 苏州佰业达建筑装饰工程有限公司 Modular lifting integrated suspended ceiling

Similar Documents

Publication Publication Date Title
CN108086569B (en) A kind of ceiling structure of stable connection
CN210828021U (en) Suspended ceiling structure
CN208586805U (en) A kind of ceiling
CN208267181U (en) A kind of run-resistant coupling type curtain wall
CN211316478U (en) Air port structure of suspended ceiling
CN215858503U (en) Suspended ceiling structure
CN208996291U (en) One kind being easily installed disassembly high-low type furred ceiling
CN215332216U (en) Building curtain wall with ventilation function
CN208733904U (en) A kind of assembled ceiling structure
CN210658898U (en) Air outlet system of indoor suspended ceiling
CN113417396A (en) Suspended ceiling structure
CN112627401B (en) Conveniently change curtain wall construction that has tripe
CN211114336U (en) Integrated ceiling with lifting function
CN208441329U (en) A kind of plane placement absorption type furred ceiling
CN112282187A (en) Quick assembly type indoor decoration ceiling suspension mechanism
CN208473051U (en) A kind of type unitized curtain wall edge list
CN110607964B (en) Fixing device of window is opened in electronic fire control
CN217759507U (en) Prevent furred ceiling structure of fracture
CN207296142U (en) A kind of aluminium frame ceiling hidden hangs component
CN218179194U (en) Air conditioner wind gap buckle mounting structure
CN214148225U (en) Outdoor ventilation hood opening with decorative plate
CN210947368U (en) Ceiling mounting structure
CN207892104U (en) Open overhanging aluminium sheet furred ceiling
CN211342459U (en) Structure is dismantled to ventilation window slider
CN211606329U (en) Mute type curtain motor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200623

CF01 Termination of patent right due to non-payment of annual fee