CN219260850U - A sprinkler for easy angle adjustment - Google Patents

A sprinkler for easy angle adjustment Download PDF

Info

Publication number
CN219260850U
CN219260850U CN202223479367.5U CN202223479367U CN219260850U CN 219260850 U CN219260850 U CN 219260850U CN 202223479367 U CN202223479367 U CN 202223479367U CN 219260850 U CN219260850 U CN 219260850U
Authority
CN
China
Prior art keywords
mechanical box
sprinkler
mobile vehicle
water
spraying
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
CN202223479367.5U
Other languages
Chinese (zh)
Inventor
赵大鑫
赵巧
刘凤春
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.)
Shenzhen Chuanyu Environmental Technology Co ltd
Original Assignee
Shenzhen Chuanyu Environmental Technology 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 Shenzhen Chuanyu Environmental Technology Co ltd filed Critical Shenzhen Chuanyu Environmental Technology Co ltd
Priority to CN202223479367.5U priority Critical patent/CN219260850U/en
Application granted granted Critical
Publication of CN219260850U publication Critical patent/CN219260850U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Landscapes

  • Catching Or Destruction (AREA)

Abstract

本实用新型公开了一种方便进行角度调节的洒水车,移动车辆和设于移动车辆顶部的储水罐,移动车辆后端设有喷洒平台,喷洒平台顶部设有机械箱,机械箱内侧中间设有转动轴,机械箱内设有驱动电机和减速器,驱动电机和减速器动力端设有第一齿轮,转动轴上设有与第一齿轮啮合的第二齿轮,转动轴延伸至机械箱顶部设有转动半圆块,转动半圆块延伸至外顶部设有支撑板,支撑板顶部后侧设有支撑架,支撑架内侧铰接设有喷洒筒。本实用新型与现有技术相比的优点在于:本装置通过移动车辆后端设置的喷洒平台,通过驱动电机、减速器和电动推杆可以使得驾驶人员在驾驶仓内控制调节喷洒筒的喷洒方向和角度,适宜推广使用。

Figure 202223479367

The utility model discloses a water sprinkler which is convenient for angle adjustment, a mobile vehicle and a water storage tank arranged on the top of the mobile vehicle, a spraying platform is provided at the rear end of the mobile vehicle, a mechanical box is provided on the top of the spraying platform, and a mechanical box is provided in the middle of the inner side of the mechanical box. There is a rotating shaft, a drive motor and a reducer are installed in the mechanical box, a first gear is provided at the power end of the driving motor and the reducer, a second gear meshing with the first gear is provided on the rotating shaft, and the rotating shaft extends to the top of the mechanical box A rotating semicircular block is provided, and the rotating semicircular block is extended to the outer top to be provided with a support plate, a support frame is provided on the rear side of the top of the support plate, and a spray cylinder is hinged on the inside of the support frame. Compared with the prior art, the utility model has the advantages that the device can control and adjust the spraying direction of the spraying cylinder in the driving compartment by driving the motor, the reducer and the electric push rod through the spraying platform set at the rear end of the mobile vehicle. and angle, suitable for promotion and use.

Figure 202223479367

Description

一种方便进行角度调节的洒水车A sprinkler that is convenient for angle adjustment

技术领域technical field

本实用新型涉及洒水车技术领域,具体是指一种方便进行角度调节的洒水车。The utility model relates to the technical field of sprinklers, in particular to a sprinkler which is convenient for angle adjustment.

背景技术Background technique

洒水车又称为喷洒车、多功能洒水车、园林绿化洒水车、水罐车、运水车。洒水车适合于各种路面冲洗,树木、绿化带、草坪绿化,道路、厂矿企业施工建设,高空建筑冲洗,在喷洒过程中,路面洒水车往往无需人工操作,但是对绿化带和树木等喷洒的时候,往往需要一个人在车后平台上操控喷洒筒,这种方式对人员本身并不安全。Sprinklers are also known as sprinklers, multi-functional sprinklers, landscaping sprinklers, water tankers, and water trucks. Sprinklers are suitable for all kinds of road surface washing, trees, green belts, lawn greening, construction of roads, factories and mines, and high-altitude building washing. During the spraying process, road sprinklers often do not need manual operation, but for green belts and trees. Sometimes, a person is often required to control the spray canister on the rear platform of the vehicle, which is not safe for the personnel themselves.

实用新型内容Utility model content

本实用新型要解决的技术问题是,针对上述背景技术中提出的不足,提供一种方便自动调节的一种方便进行角度调节的洒水车。The technical problem to be solved by the utility model is to provide a sprinkler that is convenient for automatic adjustment and angle adjustment in view of the deficiencies raised in the above-mentioned background technology.

为解决上述技术问题,本实用新型提供的技术方案为:一种方便进行角度调节的洒水车,移动车辆和设于移动车辆顶部的储水罐,所述的移动车辆后端连接设有喷洒平台,所述的喷洒平台顶部连接设有机械箱,所述的机械箱内侧中间连接设有转动轴,所述的机械箱内连接设有驱动电机和减速器,所述的驱动电机和减速器动力端连接设有第一齿轮,所述的转动轴上连接设有与第一齿轮啮合的第二齿轮,所述的转动轴延伸至机械箱顶部连接设有转动半圆块,所述的转动半圆块延伸至外顶部连接设有支撑板,所述的支撑板顶部后侧连接设有支撑架,所述的支撑架内侧铰接设有喷洒筒,所述的移动车辆顶部连接设有与储水罐连通的抽水泵,所述的抽水泵连接设有与喷洒筒连通的输水软管。In order to solve the above technical problems, the technical solution provided by the utility model is: a sprinkler for easy angle adjustment, a mobile vehicle and a water storage tank on the top of the mobile vehicle, and the rear end of the mobile vehicle is connected with a spraying platform , the top of the spraying platform is connected with a mechanical box, the inner side of the mechanical box is connected with a rotating shaft, the inside of the mechanical box is connected with a drive motor and a reducer, and the drive motor and reducer are powered The end is connected with a first gear, and the second gear meshed with the first gear is connected to the rotating shaft. The rotating shaft extends to the top of the mechanical box and is connected with a rotating semicircular block. The rotating semicircular block Extending to the outer top, a supporting plate is connected, and the rear side of the top of the supporting plate is connected with a support frame, and the inner side of the support frame is hinged with a spray tube, and the top of the mobile vehicle is connected with a water storage tank. a water pump, and the water pump is connected with a water delivery hose communicated with the spray cylinder.

进一步的,所述的支撑板前侧连接设有第一铰接件,所述的第一铰接件顶部铰接设有电动推杆,所述的电动推杆动力端与喷洒筒底部共同连接设有第二铰接件,方便进行调节喷洒筒的喷洒角度。Further, the front side of the support plate is connected with a first hinge, and the top of the first hinge is hinged with an electric push rod, and the power end of the electric push rod is connected with the bottom of the spray tube to have a second hinge. Hinge, easy to adjust the spray angle of the spray tube.

进一步的,所述的转动半圆块顶部外侧与机械箱共同连接设有限位圆环,所述的转动半圆块底部与机械箱共同连接设有多个滚珠,可以保证转动半圆块稳定转动。Further, the outer side of the top of the rotating semicircular block is jointly connected with the mechanical box with a limit ring, and the bottom of the rotating semicircular block is jointly connected with the mechanical box with a plurality of balls, which can ensure the stable rotation of the rotating semicircular block.

进一步的,所述的喷洒筒底部连接设有与输水软管连通的导水管,所述的导水管延伸至喷洒筒内连接设有分水管,所述的分水管端部连接设有多个喷洒器,方便进行喷洒。Further, the bottom of the spray tube is connected with a water pipe connected to the water delivery hose, the water pipe extends to the inside of the spray tube and is connected with a water distribution pipe, and the end of the water distribution pipe is connected with a plurality of Sprinkler for easy spraying.

进一步的,所述的喷洒筒前侧连接设有防护罩,所述的喷洒筒后端连接设有抽风扇,方便增加喷洒效率。Further, the front side of the spray tube is connected with a protective cover, and the rear end of the spray tube is connected with an exhaust fan, so as to increase the spraying efficiency.

本实用新型的一种方便进行角度调节的洒水车与现有技术相比的优点在于:本装置通过移动车辆后端设置的喷洒平台,通过驱动电机、减速器和电动推杆可以使得驾驶人员在驾驶仓内控制调节喷洒筒的喷洒方向和角度,适宜推广使用。Compared with the prior art, the utility model has the advantages of a sprinkler that is convenient to adjust the angle: the device can make the driver move the spraying platform set at the rear end of the vehicle, drive the motor, the reducer and the electric push rod The control and adjustment of the spraying direction and angle of the spraying tube in the driving cabin is suitable for popularization and use.

附图说明Description of drawings

图1是本实用新型一种方便进行角度调节的洒水车的结构示意图。Fig. 1 is a structural schematic diagram of a sprinkler vehicle for convenient angle adjustment of the utility model.

图2是本实用新型一种方便进行角度调节的洒水车的喷洒筒剖视结构示意图。Fig. 2 is a schematic cross-sectional structure diagram of a spraying tube of a sprinkler for easy angle adjustment of the utility model.

如图所示:1、移动车辆,2、储水罐,3、喷洒平台,4、机械箱,5、转动轴,6、驱动电机,7、减速器,8、第一齿轮,9、第二齿轮,10、转动半圆块,11、限位圆环,12支撑板、,13、支撑架,14、喷洒筒,15、第一铰接件,16、电动推杆,17、第二铰接件,18、抽水泵,19、输水软管,20、导水管,21、分水管,22、喷洒器,23、抽风扇,24、防护罩。As shown in the figure: 1. Mobile vehicle, 2. Water storage tank, 3. Spraying platform, 4. Mechanical box, 5. Rotating shaft, 6. Driving motor, 7. Reducer, 8. First gear, 9. The first gear Two gears, 10, rotating semicircle block, 11, limit ring, 12 support plate,, 13, support frame, 14, spraying cylinder, 15, first hinge, 16, electric push rod, 17, second hinge , 18, water pump, 19, water delivery hose, 20, aqueduct, 21, water distribution pipe, 22, sprinkler, 23, exhaust fan, 24, protective cover.

具体实施方式Detailed ways

下面结合附图对本实用新型做进一步的详细说明。Below in conjunction with accompanying drawing, the utility model is described in further detail.

结合附图1-2,一种方便进行角度调节的洒水车,移动车辆1和设于移动车辆1顶部的储水罐2,所述的移动车辆1后端连接设有喷洒平台3,所述的喷洒平台3顶部连接设有机械箱4,所述的机械箱4内侧中间连接设有转动轴5,所述的机械箱4内连接设有驱动电机6和减速器7,所述的驱动电机6和减速器7动力端连接设有第一齿轮8,所述的转动轴5上连接设有与第一齿轮8啮合的第二齿轮9,所述的转动轴5延伸至机械箱4顶部连接设有转动半圆块10,所述的转动半圆块10延伸至外顶部连接设有支撑板12,所述的支撑板12顶部后侧连接设有支撑架13,所述的支撑架13内侧铰接设有喷洒筒14,启动驱动电机6和减速器7配合齿轮可以带动转动轴5的转动,使得调节转动半圆块10和支撑板12的转动,从而可以稳定调节喷洒筒14的喷洒方向,所述的移动车辆1顶部连接设有与储水罐2连通的抽水泵18,所述的抽水泵18连接设有与喷洒筒14连通的输水软管19。In conjunction with accompanying drawings 1-2, a sprinkler vehicle for easy angle adjustment, a mobile vehicle 1 and a water storage tank 2 located on the top of the mobile vehicle 1, the rear end of the mobile vehicle 1 is connected with a spraying platform 3, the The top of the spraying platform 3 is connected with a mechanical box 4, the inner side of the mechanical box 4 is connected with a rotating shaft 5, and the mechanical box 4 is connected with a drive motor 6 and a reducer 7. The drive motor 6 is connected to the power end of the reducer 7 with a first gear 8, and the second gear 9 meshing with the first gear 8 is connected to the rotating shaft 5, and the rotating shaft 5 extends to the top of the mechanical box 4 to connect A rotating semicircular block 10 is provided, and the rotating semicircular block 10 extends to the outer top and is connected with a support plate 12, and the back side of the top of the support plate 12 is connected with a support frame 13, and the inner side of the support frame 13 is hinged. Spray cylinder 14 is arranged, start drive motor 6 and speed reducer 7 cooperate gear and can drive the rotation of rotating shaft 5, make to adjust the rotation of rotating semicircle block 10 and support plate 12, thereby can regulate the spraying direction of spray cylinder 14 stably, described The top of the mobile vehicle 1 is connected with a water pump 18 communicated with the water storage tank 2 , and the water pump 18 is connected with a water delivery hose 19 communicated with the spray cylinder 14 .

所述的支撑板12前侧连接设有第一铰接件15,所述的第一铰接件15顶部铰接设有电动推杆16,所述的电动推杆16动力端与喷洒筒14底部共同连接设有第二铰接件17,通过启动电动推杆16可以带动喷洒筒14头部方向抬起,从而可以改变喷洒筒14的喷洒角度。The front side of the support plate 12 is connected with a first hinge 15, and the top of the first hinge 15 is hinged with an electric push rod 16, and the power end of the electric push rod 16 is connected to the bottom of the spray tube 14. A second hinge 17 is provided, and by starting the electric push rod 16, the head of the spraying cylinder 14 can be driven to lift up, so that the spraying angle of the spraying cylinder 14 can be changed.

所述的转动半圆块10顶部外侧与机械箱4共同连接设有限位圆环11,所述的转动半圆块10底部与机械箱4共同连接设有多个滚珠25,即机械箱4设有配合限位圆环11的环形槽,设有配合滚珠25的环形凹槽,从而在转动半圆块10转动时,可以保持稳定和限位。The outer side of the top of the rotating semicircle block 10 is jointly connected with the mechanical case 4 and is provided with a limit ring 11, and the bottom of the rotating semicircular block 10 is jointly connected with the mechanical case 4 and is provided with a plurality of balls 25, that is, the mechanical case 4 is provided with a matching The annular groove of the limiting ring 11 is provided with an annular groove matching the ball 25, so that when the rotating half-circle block 10 rotates, it can be kept stable and limited.

所述的喷洒筒14底部连接设有与输水软管19连通的导水管20,所述的导水管20延伸至喷洒筒14内连接设有分水管21,所述的分水管21端部连接设有多个喷洒器22,所述的喷洒筒14前侧连接设有防护罩24,所述的喷洒筒14后端连接设有抽风扇23,输水软管19向导水管和分水管21输入水,通过喷洒器22喷出雾状水滴,启动抽风扇23向外吹风,从而可以加快喷洒的效率。The bottom of the spray tube 14 is connected with a water guide pipe 20 connected with the water delivery hose 19, and the water guide tube 20 extends to the spray tube 14 and is connected with a water distribution pipe 21, and the end of the water distribution pipe 21 is connected to A plurality of sprinklers 22 are provided, a protective cover 24 is connected to the front side of the spray cylinder 14, an exhaust fan 23 is connected to the rear end of the spray cylinder 14, and the water delivery hose 19 is input to the water pipe and the water distribution pipe 21. Water sprays mist water droplets through the sprayer 22, and starts the exhaust fan 23 to blow outwards, thereby speeding up the efficiency of spraying.

本实用新型在具体实施时,本装置内的电器件均与移动车辆1电性连接,移动车辆1内的驾驶人员可以从驾驶仓内电控装置内的电器件,从而无需人工操作即可控制喷洒筒14的喷洒角度和方向。When the utility model is actually implemented, the electrical components in the device are all electrically connected to the mobile vehicle 1, and the driver in the mobile vehicle 1 can control the electrical components in the electric control device in the driving compartment without manual operation. Spraying angle and direction of spraying cylinder 14.

以上对本实用新型及其实施方式进行了描述,这种描述没有限制性,附图中所示的也只是本实用新型的实施方式之一,实际的结构并不局限于此。总而言之如果本领域的普通技术人员受其启示,在不脱离本实用新型创造宗旨的情况下,不经创造性的设计出与该技术方案相似的结构方式及实施例,均应属于本实用新型的保护范围。The utility model and its implementations have been described above. This description is not restrictive, and what is shown in the drawings is only one of the implementations of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (5)

1.一种方便进行角度调节的洒水车,移动车辆(1)和设于移动车辆(1)顶部的储水罐(2),其特征在于:所述的移动车辆(1)后端连接设有喷洒平台(3),所述的喷洒平台(3)顶部连接设有机械箱(4),所述的机械箱(4)内侧中间连接设有转动轴(5),所述的机械箱(4)内连接设有驱动电机(6)和减速器(7),所述的驱动电机(6)和减速器(7)动力端连接设有第一齿轮(8),所述的转动轴(5)上连接设有与第一齿轮(8)啮合的第二齿轮(9),所述的转动轴(5)延伸至机械箱(4)顶部连接设有转动半圆块(10),所述的转动半圆块(10)延伸至外顶部连接设有支撑板(12),所述的支撑板(12)顶部后侧连接设有支撑架(13),所述的支撑架(13)内侧铰接设有喷洒筒(14),所述的移动车辆(1)顶部连接设有与储水罐(2)连通的抽水泵(18),所述的抽水泵(18)连接设有与喷洒筒(14)连通的输水软管(19)。1. A sprinkler that is convenient for angle adjustment, the mobile vehicle (1) and the water storage tank (2) on the top of the mobile vehicle (1), characterized in that: the rear end connection device of the mobile vehicle (1) There is a spraying platform (3), the top of the spraying platform (3) is connected with a mechanical box (4), the inner side of the mechanical box (4) is connected with a rotating shaft (5), and the mechanical box ( 4) A drive motor (6) and a reducer (7) are connected internally, and the power end of the drive motor (6) and reducer (7) is connected with a first gear (8), and the rotating shaft ( 5) A second gear (9) meshing with the first gear (8) is connected to the top, and the rotating shaft (5) extends to the top of the mechanical box (4) and is connected with a rotating semicircular block (10). The rotating semicircular block (10) extends to the outer top and is connected with a support plate (12), and the rear side of the top of the support plate (12) is connected with a support frame (13), and the inner side of the support frame (13) is hinged A spraying cylinder (14) is provided, and the top of the mobile vehicle (1) is connected with a water pump (18) connected to the water storage tank (2), and the water pump (18) is connected with the spraying cylinder ( 14) connected water delivery hose (19). 2.根据权利要求1所述的一种方便进行角度调节的洒水车,其特征在于:所述的支撑板(12)前侧连接设有第一铰接件(15),所述的第一铰接件(15)顶部铰接设有电动推杆(16),所述的电动推杆(16)动力端与喷洒筒(14)底部共同连接设有第二铰接件(17)。2. A sprinkler that is convenient for angle adjustment according to claim 1, characterized in that: the front side of the support plate (12) is connected with a first hinge (15), and the first hinge The top of the part (15) is hinged with an electric push rod (16), and the power end of the electric push rod (16) is jointly connected with the bottom of the spray barrel (14) to provide a second hinge (17). 3.根据权利要求1所述的一种方便进行角度调节的洒水车,其特征在于:所述的转动半圆块(10)顶部外侧与机械箱(4)共同连接设有限位圆环(11),所述的转动半圆块(10)底部与机械箱(4)共同连接设有多个滚珠(25)。3. A sprinkler that is convenient for angle adjustment according to claim 1, characterized in that: the outer side of the top of the rotating semicircular block (10) is connected with the mechanical box (4) and is provided with a limit ring (11) , the bottom of the rotating semicircular block (10) is jointly connected with the mechanical box (4) and provided with a plurality of balls (25). 4.根据权利要求1所述的一种方便进行角度调节的洒水车,其特征在于:所述的喷洒筒(14)底部连接设有与输水软管(19)连通的导水管(20),所述的导水管(20)延伸至喷洒筒(14)内连接设有分水管(21),所述的分水管(21)端部连接设有多个喷洒器(22)。4. A sprinkler that is convenient for angle adjustment according to claim 1, characterized in that: the bottom of the spray tube (14) is connected with a water guide pipe (20) connected to the water delivery hose (19) , the water guide pipe (20) extends to the sprinkler cylinder (14) and is connected with a water distribution pipe (21), and the end of the water distribution pipe (21) is connected with a plurality of sprinklers (22). 5.根据权利要求1所述的一种方便进行角度调节的洒水车,其特征在于:所述的喷洒筒(14)前侧连接设有防护罩(24),所述的喷洒筒(14)后端连接设有抽风扇(23)。5. A sprinkler that is convenient for angle adjustment according to claim 1, characterized in that: the front side of the spray tube (14) is connected with a protective cover (24), and the spray tube (14) The rear end is connected with an exhaust fan (23).
CN202223479367.5U 2022-12-26 2022-12-26 A sprinkler for easy angle adjustment Expired - Fee Related CN219260850U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223479367.5U CN219260850U (en) 2022-12-26 2022-12-26 A sprinkler for easy angle adjustment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223479367.5U CN219260850U (en) 2022-12-26 2022-12-26 A sprinkler for easy angle adjustment

Publications (1)

Publication Number Publication Date
CN219260850U true CN219260850U (en) 2023-06-27

Family

ID=86874132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223479367.5U Expired - Fee Related CN219260850U (en) 2022-12-26 2022-12-26 A sprinkler for easy angle adjustment

Country Status (1)

Country Link
CN (1) CN219260850U (en)

Similar Documents

Publication Publication Date Title
CN104307662B (en) A kind of street lamp post spraying equipment
CN207680868U (en) A kind of trunk whitewashing device
CN207422055U (en) A kind of gardens Multifunctional landscape lamp
CN207803047U (en) A kind of rotary flusher
CN205409284U (en) Full -automatic spraying locomotive system
CN111713379A (en) Using method of ship type sprinkling irrigation machine
CN206139409U (en) Automatic long -range sprayer of air -assisted
CN105200951A (en) Road water spraying vehicle
CN219260850U (en) A sprinkler for easy angle adjustment
CN206760320U (en) A kind of garden landscape irrigation rig
CN209339074U (en) Sprinkler equipment for construction site
CN105155456A (en) Intelligent city watering cart
CN209005466U (en) A kind of live atomizing de-dusting apparatus of construction
CN212971082U (en) Agricultural watering is with portable watering device
CN212523473U (en) A dust fall equipment for building site
CN212103854U (en) Watering device of new forms of energy watering lorry
CN111889221A (en) High-efficient log washer of tire transmission
CN218389516U (en) A high efficiency sprayer for forestry pest control
CN205030392U (en) Hand -held is from walking air supplying type spraying machine
CN205223954U (en) City intelligence watering lorry
CN215462956U (en) Civil engineering dust device for construction
CN203692274U (en) Electric pesticide spraying tricycle
CN208064334U (en) Self-propelled spray truck
CN221011270U (en) Sprinkler equipment for municipal garden afforestation
CN216314552U (en) Municipal works construction is with afforestation watering device

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: 20230627

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