CN216523631U - A wall detection device for construction engineering - Google Patents

A wall detection device for construction engineering Download PDF

Info

Publication number
CN216523631U
CN216523631U CN202122702535.1U CN202122702535U CN216523631U CN 216523631 U CN216523631 U CN 216523631U CN 202122702535 U CN202122702535 U CN 202122702535U CN 216523631 U CN216523631 U CN 216523631U
Authority
CN
China
Prior art keywords
fixedly connected
wall
threaded
rod
support frame
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
CN202122702535.1U
Other languages
Chinese (zh)
Inventor
朱翠霞
王淑婷
韩朝阳
杨成
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.)
Qingdao Jianguo Testing Engineering Co ltd
Original Assignee
Qingdao Jianguo Testing 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 Qingdao Jianguo Testing Engineering Co ltd filed Critical Qingdao Jianguo Testing Engineering Co ltd
Priority to CN202122702535.1U priority Critical patent/CN216523631U/en
Application granted granted Critical
Publication of CN216523631U publication Critical patent/CN216523631U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

本实用新型公开了一种用于建筑工程的墙体检测装置,包括底板,所述底板的上端固定连接有第二固定块,所述第二固定块的内部转动连接有支撑架,所述支撑架的一侧开设有滑槽,所述支撑架的内部设置有电机,所述电机的输出轴固定连接有螺纹杆,所述螺纹杆的上端转动连接有轴承,所述螺纹杆的外表面螺纹连接有螺纹块,所述螺纹块的一侧固定连接有第二活动杆,所述第二活动杆的一侧固定连接有连接板,所述连接板的一侧固定连接有贴壁盘。本实用新型中,通过电机带动螺纹杆转动,螺纹杆带动螺纹块进行升降,进而带动贴壁盘升降,对高处的墙体进行检测,增大了检测的面积,提高检测效率。

Figure 202122702535

The utility model discloses a wall detection device for construction engineering, which comprises a base plate, an upper end of the base plate is fixedly connected with a second fixing block, and a support frame is rotatably connected inside the second fixing block, and the support One side of the frame is provided with a chute, the inside of the support frame is provided with a motor, the output shaft of the motor is fixedly connected with a threaded rod, the upper end of the threaded rod is rotatably connected with a bearing, and the outer surface of the threaded rod is threaded A threaded block is connected, one side of the threaded block is fixedly connected with a second movable rod, one side of the second movable rod is fixedly connected with a connecting plate, and one side of the connecting plate is fixedly connected with a wall-mounted plate. In the utility model, the motor drives the threaded rod to rotate, and the threaded rod drives the threaded block to move up and down, which in turn drives the wall mount plate to move up and down to detect the high wall, which increases the detection area and improves the detection efficiency.

Figure 202122702535

Description

一种用于建筑工程的墙体检测装置A wall detection device for construction engineering

技术领域technical field

本实用新型涉及墙体检测装置技术领域,尤其涉及一种用于建筑工程的墙体检测装置。The utility model relates to the technical field of wall detection devices, in particular to a wall detection device used in construction projects.

背景技术Background technique

平整度是指加工或者生产某些东西时,表面并不会绝对平整,所不平与绝对水平之间,所差数据就是平整度,其中,对于建筑的检测,平整度允许偏差为8mm,如出现偏差15mm,则整板所有测量点均视为不合格。Flatness means that when processing or producing something, the surface will not be absolutely flat. The difference between the unevenness and the absolute level is the flatness. For the inspection of buildings, the allowable deviation of the flatness is 8mm. If the deviation is 15mm, all measurement points of the whole board will be regarded as unqualified.

现有的墙体平整度检测装置,单次检测的墙壁范围较小,且不方便对平整度相差较大的地方进行稳定标记,从而影响了装置对墙体平整度检测的效率,为此,我们提出一种新型地用于建筑工程的墙体平整度检测装置用于解决上述问题。The existing wall flatness detection device has a small wall range for single detection, and it is inconvenient to stably mark the places with a large difference in flatness, thus affecting the efficiency of the device for detecting the wall flatness. Therefore, We propose a new type of wall flatness detection device for construction projects to solve the above problems.

实用新型内容Utility model content

本实用新型的目的是为了解决现有技术中存在的缺点,而提出的一种用于建筑工程的墙体检测装置。The purpose of the utility model is to solve the shortcomings of the prior art, and proposes a wall detection device for construction engineering.

为了实现上述目的,本实用新型采用了如下技术方案:一种用于建筑工程的墙体检测装置,包括底板,所述底板的上端固定连接有第二固定块,所述第二固定块的内部转动连接有支撑架,所述支撑架的内部设置有电机,所述电机的输出轴固定连接有螺纹杆,所述螺纹杆的外表面螺纹连接有螺纹块;In order to achieve the above purpose, the utility model adopts the following technical scheme: a wall detection device for construction engineering, comprising a base plate, the upper end of the base plate is fixedly connected with a second fixing block, and the inner part of the second fixing block is A support frame is rotatably connected, a motor is arranged inside the support frame, a threaded rod is fixedly connected to the output shaft of the motor, and a threaded block is threadedly connected to the outer surface of the threaded rod;

所述螺纹块的一侧固定连接有第二活动杆,所述第二活动杆的一侧固定连接有连接板,所述连接板的一侧固定连接有贴壁盘。One side of the threaded block is fixedly connected with a second movable rod, one side of the second movable rod is fixedly connected with a connecting plate, and one side of the connecting plate is fixedly connected with a wall-mounted disk.

作为上述技术方案的进一步描述:As a further description of the above technical solutions:

所述螺纹杆的上端转动连接有轴承。The upper end of the threaded rod is rotatably connected with a bearing.

作为上述技术方案的进一步描述:As a further description of the above technical solutions:

所述支撑架的一侧固定连接有连接块与刻度尺,所述刻度尺位于连接块的下方,所述连接块的下端设置有铅锤。One side of the support frame is fixedly connected with a connecting block and a scale, the scale is located below the connecting block, and a plumb bob is arranged at the lower end of the connecting block.

作为上述技术方案的进一步描述:As a further description of the above technical solutions:

所述底板的上端固定连接有第一固定块,所述第一固定块的内部转动连接有连接杆。A first fixing block is fixedly connected to the upper end of the bottom plate, and a connecting rod is rotatably connected inside the first fixing block.

作为上述技术方案的进一步描述:As a further description of the above technical solutions:

所述连接杆的内部设置有第一弹簧,所述第一弹簧的上端固定连接有限位板,所述限位板的上端固定连接有第一活动杆,所述第一活动杆的上端转动连接有滚轮。The interior of the connecting rod is provided with a first spring, the upper end of the first spring is fixedly connected to a limit plate, the upper end of the limit plate is fixedly connected with a first movable rod, and the upper end of the first movable rod is rotatably connected There are scroll wheels.

作为上述技术方案的进一步描述:As a further description of the above technical solutions:

所述支撑架的一侧开设有滑槽。One side of the support frame is provided with a chute.

作为上述技术方案的进一步描述:As a further description of the above technical solution:

所述底板的下端固定连接有底座,所述底座设置有四个。The lower end of the bottom plate is fixedly connected with a base, and the base is provided with four.

作为上述技术方案的进一步描述:As a further description of the above technical solutions:

所述底座包括调节杆、第二弹簧、升降槽,防滑垫,所述升降槽与调节杆呈垂直镶嵌活动设置,所述调节杆外侧的第二弹簧呈垂直环绕设置,所述升降槽的下端固定连接有防滑垫。The base includes an adjusting rod, a second spring, a lifting groove, and an anti-skid pad. The lifting groove and the adjusting rod are arranged vertically inlaid and movable, and the second spring outside the adjusting rod is arranged in a vertical circle. Fixed connection with anti-skid pads.

本实用新型具有如下有益效果:The utility model has the following beneficial effects:

1、与现有技术相比,该一种用于建筑工程的墙体检测装置,通过设置调节杆、升降槽、第二弹簧,使得墙体检测装置在凹凸不平的地面也可正常使用,提高了墙体检测装置的实用性,且通过防滑垫提高墙体检测装置的稳定性,避免墙体检测装置倾倒受损的情况。1. Compared with the prior art, this kind of wall detection device for construction engineering can be used normally on uneven ground by setting adjustment rods, lifting grooves and second springs. The practicability of the wall body detection device is improved, and the stability of the wall body detection device is improved by the anti-skid pad, so as to avoid the situation that the wall body detection device is damaged by falling over.

2、与现有技术相比,该一种用于建筑工程的墙体检测装置,通过电机带动螺纹杆转动,螺纹杆带动螺纹块进行升降,进而带动贴壁盘升降,对高处的墙体进行检测,增大了检测的面积,提高检测效率。2. Compared with the prior art, this kind of wall detection device used in construction projects drives the threaded rod to rotate through the motor, and the threaded rod drives the threaded block to rise and fall, and then drives the wall-mounted disk to rise and fall, so that the high wall can be moved up and down. The detection is carried out, the detection area is increased, and the detection efficiency is improved.

3、与现有技术相比,该一种用于建筑工程的墙体检测装置,通过设置第一固定块、连接杆、第一活动杆、滚轮,在检测过程中支撑支撑架,使其不会翻倒,提高装置的实用性。3. Compared with the prior art, this kind of wall detection device for construction engineering, by setting the first fixed block, the connecting rod, the first movable rod, and the roller, supports the support frame during the detection process, so that it does not. can tip over, improving the usability of the unit.

附图说明Description of drawings

图1为本实用新型提出的一种用于建筑工程的墙体检测装置的结构视图;1 is a structural view of a wall detection device for construction engineering proposed by the utility model;

图2为本实用新型提出的一种用于建筑工程的墙体检测装置的内部结构视图;FIG. 2 is an internal structure view of a wall detection device for construction engineering proposed by the utility model;

图3为图2中A处放大示意图;Fig. 3 is the enlarged schematic diagram at A place in Fig. 2;

图4为本实用新型提出的一种用于建筑工程的墙体检测装置的底座的内部结构视图。FIG. 4 is an internal structural view of a base of a wall detection device for construction engineering proposed by the present invention.

图例说明:illustration:

1、底板;2、底座;3、第一固定块;4、连接杆;5、第一活动杆;6、滚轮;7、支撑架;8、第二活动杆;9、连接板;10、贴壁盘;11、连接块;12、刻度尺;13、铅锤;14、第二固定块;15、滑槽;16、螺纹杆;17、轴承;18、螺纹块;19、电机;20、限位板;21、第一弹簧;22、调节杆;23、第二弹簧;24、升降槽;25、防滑垫。1. Bottom plate; 2. Base; 3. The first fixed block; 4. The connecting rod; 5. The first movable rod; 6. The roller; 7. The support frame; 8. The second movable rod; 9. The connecting plate; 10, Wall plate; 11, connecting block; 12, scale; 13, plumb weight; 14, second fixing block; 15, chute; 16, threaded rod; 17, bearing; 18, threaded block; 19, motor; 20 21, the first spring; 22, the adjusting rod; 23, the second spring; 24, the lifting groove; 25, the anti-skid pad.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

在本实用新型的描述中,需要说明的是,术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制;术语“第一”、“第二”、“第三”仅用于描述目的,而不能理解为指示或暗示相对重要性,此外,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance. In addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

参照图1-4,本实用新型提供的一种实施例:一种用于建筑工程的墙体检测装置,包括底板1,底板1的上端固定连接有第二固定块14,第二固定块14的内部转动连接有支撑架7,支撑架7的内部设置有电机19,电机19的输出轴固定连接有螺纹杆16,螺纹杆16的外表面螺纹连接有螺纹块18,通过电机19带动螺纹杆16转动,螺纹杆16带动螺纹块18进行升降,进而带动贴壁盘10升降,对高处的墙体进行检测,增大了检测的面积,提高检测效率;1-4, an embodiment provided by the present invention: a wall detection device for construction engineering, comprising a base plate 1, the upper end of the base plate 1 is fixedly connected with a second fixing block 14, the second fixing block 14 A support frame 7 is rotatably connected to the inside of the support frame 7, a motor 19 is arranged inside the support frame 7, a threaded rod 16 is fixedly connected to the output shaft of the motor 19, and a threaded block 18 is threadedly connected to the outer surface of the threaded rod 16, and the threaded rod is driven by the motor 19. 16 rotates, the threaded rod 16 drives the threaded block 18 to lift and lower, and then drives the wall-attaching plate 10 to lift and lower, to detect the high wall, which increases the detection area and improves the detection efficiency;

螺纹块18的一侧固定连接有第二活动杆8,第二活动杆8的一侧固定连接有连接板9,连接板9的一侧固定连接有贴壁盘10。One side of the threaded block 18 is fixedly connected with a second movable rod 8 , one side of the second movable rod 8 is fixedly connected with a connecting plate 9 , and one side of the connecting plate 9 is fixedly connected with a wall-mounted plate 10 .

螺纹杆16的上端转动连接有轴承17,支撑架7的一侧固定连接有连接块11与刻度尺12,刻度尺12位于连接块11的下方,连接块11的下端设置有铅锤13,底板1的上端固定连接有第一固定块3,第一固定块3的内部转动连接有连接杆4,连接杆4的内部设置有第一弹簧21,第一弹簧21的上端固定连接有限位板20,限位板20的上端固定连接有第一活动杆5,第一活动杆5的上端转动连接有滚轮6,支撑架7的一侧开设有滑槽15,底板1的下端固定连接有底座2,底座2设置有四个,底座2包括调节杆22、第二弹簧23、升降槽24,防滑垫25,升降槽24与调节杆22呈垂直镶嵌活动设置,调节杆22外侧的第二弹簧23呈垂直环绕设置,升降槽24的下端固定连接有防滑垫25,通过设置调节杆22、升降槽24、第二弹簧23,使得墙体检测装置在凹凸不平的地面也可正常使用,提高了墙体检测装置的实用性,且通过防滑垫25提高墙体检测装置的稳定性,避免墙体检测装置倾倒受损的情况。The upper end of the threaded rod 16 is rotatably connected with a bearing 17, one side of the support frame 7 is fixedly connected with a connecting block 11 and a scale 12, the scale 12 is located below the connecting block 11, the lower end of the connecting block 11 is provided with a plumb 13, the bottom plate The upper end of 1 is fixedly connected with a first fixing block 3, the interior of the first fixing block 3 is rotatably connected with a connecting rod 4, the interior of the connecting rod 4 is provided with a first spring 21, and the upper end of the first spring 21 is fixedly connected with the limiting plate 20. , the upper end of the limit plate 20 is fixedly connected with the first movable rod 5, the upper end of the first movable rod 5 is rotatably connected with the roller 6, one side of the support frame 7 is provided with a chute 15, and the lower end of the bottom plate 1 is fixedly connected with the base 2 , the base 2 is provided with four, the base 2 includes an adjusting rod 22, a second spring 23, a lifting groove 24, an anti-skid pad 25, the lifting groove 24 and the adjusting rod 22 are vertically inlaid and movable, and the second spring 23 outside the adjusting rod 22 It is arranged in a vertical circle, and the lower end of the lifting groove 24 is fixedly connected with a non-slip pad 25. By setting the adjusting rod 22, the lifting groove 24 and the second spring 23, the wall detection device can also be used normally on uneven ground, and the wall is improved. The practicability of the body detection device is improved, and the stability of the wall body detection device is improved by the anti-skid pad 25, so as to avoid the situation that the wall body detection device is damaged by tipping.

工作原理:该一种用于建筑工程的墙体检测装置,在使用时,将贴壁盘10贴于墙体,墙体对贴壁盘10进行挤压,贴壁盘10带动支撑架7移动,支撑架7带动连接块11移动,再观察刻度尺12,完成检测,通过电机19带动螺纹杆16转动,螺纹杆16带动螺纹块18进行升降,进而带动贴壁盘10升降,对高处的墙体进行检测,增大了检测的面积。Working principle: This kind of wall detection device used in construction engineering, when in use, stick the wall sticking plate 10 to the wall, the wall body squeezes the wall sticking plate 10, and the wall sticking plate 10 drives the support frame 7 to move , the support frame 7 drives the connecting block 11 to move, and then observes the scale 12 to complete the detection. The motor 19 drives the threaded rod 16 to rotate, and the threaded rod 16 drives the threaded block 18 to move up and down, and then drives the wall-mounted plate 10 to rise and fall. The detection of the wall increases the detection area.

最后应说明的是:以上所述仅为本实用新型的优选实施例而已,并不用于限制本实用新型,尽管参照前述实施例对本实用新型进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换,凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (8)

1. A wall body detection device for building engineering, includes bottom plate (1), its characterized in that: a second fixed block (14) is fixedly connected to the upper end of the bottom plate (1), a support frame (7) is rotatably connected to the inside of the second fixed block (14), a motor (19) is arranged inside the support frame (7), a threaded rod (16) is fixedly connected to an output shaft of the motor (19), and a threaded block (18) is connected to the outer surface of the threaded rod (16) in a threaded manner;
one side fixedly connected with second movable rod (8) of screw thread piece (18), one side fixedly connected with connecting plate (9) of second movable rod (8), one side fixedly connected with adherence dish (10) of connecting plate (9).
2. A wall detecting apparatus for construction work according to claim 1, wherein: the upper end of the threaded rod (16) is rotatably connected with a bearing (17).
3. A wall detecting apparatus for construction work according to claim 1, wherein: one side fixedly connected with connecting block (11) and scale (12) of support frame (7), scale (12) are located the below of connecting block (11), the lower extreme of connecting block (11) is provided with plummet (13).
4. A wall detecting apparatus for construction work according to claim 1, wherein: the upper end fixedly connected with first fixed block (3) of bottom plate (1), the inside of first fixed block (3) is rotated and is connected with connecting rod (4).
5. A wall detection device for building engineering according to claim 4, characterized in that: the inside of connecting rod (4) is provided with first spring (21), the upper end fixedly connected with limiting plate (20) of first spring (21), the first movable rod (5) of upper end fixedly connected with of limiting plate (20), the upper end of first movable rod (5) is rotated and is connected with gyro wheel (6).
6. A wall detecting apparatus for construction work according to claim 1, wherein: one side of the support frame (7) is provided with a sliding chute (15).
7. A wall detecting apparatus for construction work according to claim 1, wherein: the lower extreme fixedly connected with base (2) of bottom plate (1), base (2) are provided with four.
8. A wall detecting apparatus for construction work according to claim 7, wherein: base (2) are including adjusting pole (22), second spring (23), lift groove (24), non slipping spur (25), lift groove (24) are perpendicular the setting of inlaying the activity with adjusting pole (22), second spring (23) in adjusting the pole (22) outside are perpendicular and encircle the setting, the lower extreme fixedly connected with non slipping spur (25) of lift groove (24).
CN202122702535.1U 2021-11-06 2021-11-06 A wall detection device for construction engineering Expired - Fee Related CN216523631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122702535.1U CN216523631U (en) 2021-11-06 2021-11-06 A wall detection device for construction engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122702535.1U CN216523631U (en) 2021-11-06 2021-11-06 A wall detection device for construction engineering

Publications (1)

Publication Number Publication Date
CN216523631U true CN216523631U (en) 2022-05-13

Family

ID=81527002

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122702535.1U Expired - Fee Related CN216523631U (en) 2021-11-06 2021-11-06 A wall detection device for construction engineering

Country Status (1)

Country Link
CN (1) CN216523631U (en)

Similar Documents

Publication Publication Date Title
CN206831069U (en) A kind of instrument of surveying and mapping tripod with warning device
CN209764094U (en) A Municipal Surveying and Mapping Device Convenient for Calibration
CN210771277U (en) A level tripod for construction project management
CN111350927A (en) A distance measuring device for truss hoisting
CN216523631U (en) A wall detection device for construction engineering
CN213422016U (en) Width detection device for bridge cracks
CN220893362U (en) A vertical detection device for building construction
CN207066436U (en) A kind of road and bridge construction measurement apparatus
CN211779741U (en) Building angle measuring instrument support that stability is good
CN211977890U (en) A positioning and ranging device for environmental art design
CN210135879U (en) Verticality tester for civil construction
CN210774065U (en) A route measuring device for highway design
CN212026372U (en) A kind of foundation pit deformation monitoring device
CN212131848U (en) A detection equipment rack with convenient height adjustment for bridge detection
CN210128709U (en) Conveniently adjust building of central stationary point and detect and use spirit level
CN209764066U (en) Portable civil engineering construction measuring device
CN221744918U (en) A detection device for construction engineering
CN219776704U (en) A portable level ruler auxiliary ruler device
CN219223727U (en) A special inclination measuring device for construction engineering
CN219301617U (en) A multifunctional measuring tool for construction engineering
CN208206126U (en) A kind of building engineering survey plotting curves device
CN219889231U (en) A surveying and mapping locator
CN218297122U (en) Height measuring device for architectural design
CN216643692U (en) Mapping instrument positioning device for engineering mapping
CN219640929U (en) A theodolite for lightning protection detection

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: 20220513

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