CN111150195A - Angle-adjustable base of sunshade umbrella - Google Patents
Angle-adjustable base of sunshade umbrella Download PDFInfo
- Publication number
- CN111150195A CN111150195A CN202010102743.5A CN202010102743A CN111150195A CN 111150195 A CN111150195 A CN 111150195A CN 202010102743 A CN202010102743 A CN 202010102743A CN 111150195 A CN111150195 A CN 111150195A
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- Prior art keywords
- hole
- rod
- angle
- adjusting arm
- ball head
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B23/00—Other umbrellas
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B23/00—Other umbrellas
- A45B2023/0012—Ground supported umbrellas or sunshades on a single post, e.g. resting in or on a surface there below
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B2025/003—Accessories not covered by groups A45B25/24 - A45B25/30
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B2200/00—Details not otherwise provided for in A45B
- A45B2200/10—Umbrellas; Sunshades
- A45B2200/1081—Umbrella handles
- A45B2200/109—Sockets therefor
Landscapes
- Building Awnings And Sunshades (AREA)
Abstract
The invention discloses an angle-adjustable base of a sunshade, which comprises a sunshade fixing seat detachably connected with the sunshade, wherein the sunshade fixing seat is arranged on a first U-shaped plate frame, two ends of the first U-shaped plate frame are hinged to two ends of a cross shaft, two ends of the cross shaft are hinged to a second U-shaped plate frame, the second U-shaped plate frame is fixed on a bottom plate through an upright post, a first adjusting arm is fixed on the front side wall of the first U-shaped plate frame, a second adjusting arm is fixed on the left side wall of the first U-shaped plate frame, the first adjusting arm and the second adjusting arm are vertically arranged, and a set of angle adjusting mechanism is respectively arranged between the first adjusting arm and the bottom plate and between the second adjusting arm and the bottom plate. The invention can arbitrarily adjust the inclination angle of the sunshade, so that people or objects below the sunshade are prevented from being invaded by sunlight, wind and rain.
Description
The technical field is as follows:
the invention relates to the technical field of umbrellas, in particular to an angle-adjustable base of a sunshade.
Background art:
the sunshade umbrella is arranged in wide areas, such as squares and the periphery of a large supermarket. Under the sunshade umbrella, there are subsidiary food stall, bicycle and rest area. Sunshade umbrella, as the name suggests, is used for the sunshade. In the day, the sun is from east to west, and the position of the shadow formed by the sunshade on the ground is changed along with the sun. Besides, the sunshade umbrella also has the functions of shielding wind and rain. The existing sunshade umbrella is usually erected on the ground, the angle of the sunshade umbrella cannot be changed, and the sunshade umbrella cannot be exposed to the sun and rain from the side in many times. The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides an angle-adjustable base of a sunshade, which can be used for randomly adjusting the inclination angle of the sunshade so as to prevent people or objects below the sunshade from being invaded by sunlight, wind and rain.
The scheme for solving the technical problems is as follows:
an angle-adjustable base of a sunshade comprises a sunshade fixing seat detachably connected with the sunshade, the sunshade fixing seat is arranged on a first U-shaped plate frame, two ends of the first U-shaped plate frame are hinged to two ends of a cross shaft, two ends of the cross shaft are hinged to a second U-shaped plate frame, the second U-shaped plate frame is fixed on a bottom plate through a stand column, a first adjusting arm is fixed on the front side wall of the first U-shaped plate frame, a second adjusting arm is fixed on the left side wall of the first U-shaped plate frame, the first adjusting arm and the second adjusting arm are vertically arranged, a set of angle adjusting mechanism is respectively arranged between the first adjusting arm and the bottom plate and between the second adjusting arm and the bottom plate, the angle adjusting mechanism comprises a first ball head rod and a second ball head rod, the rod part of the first ball head rod is formed with a rod part, the second ball head rod is formed with a threaded hole with an opening at the upper side, and the screw rod is screwed in the threaded, the ball heads of the second ball head rods of the two angle adjusting mechanisms are rotatably connected to the bottom plate, and the ball heads of the first ball head rods of the two angle adjusting mechanisms are respectively rotatably connected with the first adjusting arm and the second adjusting arm; the bottom plate is fixedly connected with the ground through a plurality of bolt assemblies.
The sunshade comprises a central support rod, and a circular hole with an opening at the lower side is formed in the central support rod;
sunshade umbrella fixing base is including fixing the sleeve and the cover that rises on the last bottom surface of first U type grillage, and the sleeve sets up with the axle center with the cover that rises, the lower extreme plug bush of center vaulting pole is intraductal at the cover, and the cover plug bush that rises is in the round hole, the upper end shaping of the cover that rises has big-end-up's taper hole and a plurality of radial open slots that run through the taper hole, and the shaping has the first through-hole that runs through from top to bottom on the bottom surface of taper hole, rise to be equipped with the core that rises rather than setting up with the axle center on the cover, the core that rises includes big-end-up's frustum, extension pole and screw rod, the shaping has the communicating second through-hole with first through-hole on the first U type grillage, and the screw rod passes first through-hole, and the end spiro union is held to the lower of stretching.
The first through hole is a rectangular hole, and the connecting rod is a rectangular rod matched with the first through hole.
A first hemispherical hole matched with the ball head of the second ball head rod is formed in the bottom plate, a first cover plate corresponding to the first hemispherical hole is fixed on the bottom plate, a first ball socket inner wall penetrating up and down is formed in the first cover plate, and the ball head of the second ball head rod is clamped between the first hemispherical hole and the first ball socket inner wall; the outer end of the first adjusting arm and the outer end of the second adjusting arm are respectively formed with a second hemispherical hole matched with the ball head of the first ball head rod, the outer end of the first adjusting arm and the outer end of the second adjusting arm are respectively fixed with a second cover plate, each second cover plate is formed with a second ball socket inner wall which is coaxially arranged with the second hemispherical hole, and the ball head of the first ball head rod is clamped between the second hemispherical hole and the second ball socket inner wall.
A first hand wheel is fixed on the rod part of the first bulb rod, and a second hand wheel is fixed on the rod part of the second bulb rod.
The number of the bolt assemblies is four, and the four bolt assemblies are arranged on the periphery of the bottom plate respectively.
The bolt assembly comprises a base fixed in concrete in advance, a square hole is formed in the base, a bolt through hole which penetrates through the square hole from top to bottom is formed in the upper bottom surface of the square hole, a bolt is sleeved in the bolt through hole, the upper end of the bolt penetrates through the upper extending end of the bottom plate, a second nut is screwed on the upper extending end of the bolt, a square block is fixed at the end of the bolt extending into the square hole, and the square block is inserted in the square hole.
The distance between the uppermost end of the bolt and the upper bottom surface of the bottom plate is equal to the distance between the lower bottom surface of the square and the lower bottom surface of the square hole.
And a water outlet hole which penetrates through the square hole from top to bottom is formed in the lower bottom surface of the square hole.
The invention has the following outstanding effects: compared with the prior art, the sunshade umbrella can randomly adjust the inclination angle of the sunshade umbrella, so that people or objects below the sunshade umbrella are prevented from being invaded by sunlight, wind and rain.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
FIG. 4 is a partial enlarged view of FIG. 3 with respect to B;
fig. 5 is a schematic structural diagram of another embodiment of the present invention.
The specific implementation mode is as follows:
embodiment, as shown in fig. 1 to 5, an angle adjustable base of a sunshade includes a sunshade fixing base 2 detachably connected to a sunshade 1, the sunshade fixing base 2 is disposed on a first U-shaped plate frame 31, two ends of the first U-shaped plate frame 31 are hinged to two ends of a cross shaft 32, two ends of the cross shaft 32 are hinged to a second U-shaped plate frame 33, the second U-shaped plate frame 33 is fixed to a bottom plate 35 through a column 34, a first adjusting arm 36 is fixed to a front side wall of the first U-shaped plate frame 31, a second adjusting arm 37 is fixed to a left side wall of the first U-shaped plate frame 31, the first adjusting arm 36 and the second adjusting arm 37 are vertically disposed, a set of angle adjusting mechanism 4 is respectively disposed between the first adjusting arm 36 and the bottom plate 35 and between the second adjusting arm 37 and the bottom plate 35, the angle adjusting mechanism 4 includes a first ball rod 41 and a second ball rod 42, a screw 411 is formed on the first ball rod 41, a threaded hole 421 with an opening at the upper side is formed in the rod part of the second ball head rod 42, the screw 411 is screwed in the threaded hole 421, the ball heads of the second ball head rods 42 of the two angle adjusting mechanisms 4 are rotatably connected to the bottom plate 35, and the ball heads of the first ball head rods 41 of the two angle adjusting mechanisms 4 are respectively rotatably connected with the first adjusting arm 36 and the second adjusting arm 37; the bottom plate 35 is fixedly connected to the ground by a plurality of bolt assemblies 5.
Further, the sunshade umbrella 1 comprises a central support rod 11, wherein the central support rod 11 is formed with a round hole 111 with an opening at the lower side;
the sunshade fixing seat 2 comprises a sleeve 21 and an expansion sleeve 22 which are fixed on the upper bottom surface of a first U-shaped plate frame 31, the sleeve 21 and the expansion sleeve 22 are coaxially arranged, the lower end of a central support rod 11 is inserted in the sleeve 21, the expansion sleeve 22 is inserted in a round hole 111, a tapered hole 221 with a large upper part and a small lower part and a plurality of open grooves 222 which radially penetrate through the tapered hole 221 are formed in the upper end of the expansion sleeve 22, a first through hole 223 which penetrates through the tapered hole 221 from top to bottom is formed in the bottom surface of the tapered hole 221, an expansion core 23 which is coaxially arranged with the expansion sleeve 22 is arranged on the expansion sleeve 22, the expansion core 23 comprises a frustum 231, a connecting rod 232 and a screw rod 233 which are large upper part and small lower part, a second through hole 311 which is communicated with the first through hole 223 is formed in the first U-shaped plate frame 31, a locking nut 24 is screwed to the lower extending end of the screw rod 233 which penetrates through the first through hole 223 and the second through hole.
Furthermore, the first through hole 223 is a rectangular hole, and the extension rod 232 is a rectangular rod matched with the first through hole 223.
Furthermore, a first hemispherical hole matched with the ball head of the second ball head rod 42 is formed on the bottom plate 35, a first cover plate 43 corresponding to the first hemispherical hole is fixed on the bottom plate 35, a first ball socket inner wall penetrating up and down is formed on the first cover plate 43, and the ball head of the second ball head rod 42 is clamped between the first hemispherical hole and the first ball socket inner wall; a second hemispherical hole matched with the ball head of the first ball head rod 41 is formed in the outer end of the first adjusting arm 36 and the outer end of the second adjusting arm 37 respectively, a second cover plate 44 is fixed to the outer end of the first adjusting arm 36 and the outer end of the second adjusting arm 37 respectively, a second ball socket inner wall coaxially arranged with the second hemispherical hole is formed in each second cover plate 44, and the ball head of the first ball head rod 41 is clamped between the second hemispherical hole and the second ball socket inner wall.
Further, a first hand wheel 45 is fixed to the shaft portion of the first ball bar 41, and a second hand wheel 46 is fixed to the shaft portion of the second ball bar 42.
Furthermore, the number of the bolt assemblies 5 is four, and the four bolt assemblies 5 are respectively arranged on the periphery of the bottom plate 35.
Furthermore, the bolt assembly 5 comprises a base 51 fixed in concrete in advance, a square hole 511 is formed in the base 51, a bolt through hole 512 penetrating through the square hole 511 from top to bottom is formed on the upper bottom surface of the square hole 511, a bolt 52 is sleeved in the bolt through hole 512, the upper end of the bolt 52 penetrating through the upper extending end of the bottom plate 35 is screwed with a second nut 53, a block 54 is fixed on the end portion of the bolt 52 extending into the square hole 511, and the block 54 is inserted in the square hole 511.
Further, the distance between the uppermost end of the bolt 52 and the upper bottom surface of the bottom plate 35 is equal to the distance between the lower bottom surface of the block 54 and the lower bottom surface of the square hole 511.
Furthermore, a water outlet hole 513 is formed on the lower bottom surface of the square hole 511 and penetrates through the square hole from top to bottom.
The working principle is as follows: assembling process of sunshade 1 and sunshade fixing seat 2: the lower end of the central stay bar 11 of the sunshade 1 is inserted into the sleeve 21, so that the expansion sleeve 22 is inserted into the circular hole 111, then the tool passes through the locking nut 24, the expansion core 23 is driven to move downwards under the action of the locking nut 24, the upper end of the expansion sleeve 22 is expanded outwards and is abutted against the inner wall of the circular hole 111 under the combined action of the frustum 231 of the expansion core 23 and the taper hole 221, and the central stay bar 11 is clamped between the expansion sleeve 22 and the sleeve 21; angle adjustment of a sunshade umbrella 1: the first hand wheel and the second hand wheel are respectively held by two hands, the first ball rod 41 and the second ball rod 42 are reversely rotated, the first ball rod 41 can move up and down in the second ball rod 42, the two first ball rods 41 can respectively enable the first U-shaped plate frame 31 to be turned back and forth and turned left and right through the first adjusting arm 36 and the second adjusting arm 37, and the angle of the sunshade umbrella 1 is adjusted through adjusting the first U-shaped plate frame 31; when the sunshade is used, the second nut is removed, the bottom plate can be taken away from the bolt 52, so that the sunshade 1 is taken away together, the bolt 52 falls into the square hole 511, and the end of the bolt 52 is flush with the ground, so that the influence on pedestrians is avoided.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (9)
1. The utility model provides a base with adjustable angle of sun shade, includes sun shade fixing base (2) of can dismantling the connection with sun shade (1), its characterized in that: the sunshade fixing seat (2) is arranged on a first U-shaped plate frame (31), two ends of the first U-shaped plate frame (31) are hinged to two ends of a cross shaft (32), two ends of the cross shaft (32) are hinged to a second U-shaped plate frame (33), the second U-shaped plate frame (33) is fixed to a bottom plate (35) through a stand column (34), a first adjusting arm (36) is fixed to the front side wall of the first U-shaped plate frame (31), a second adjusting arm (37) is fixed to the left side wall of the first U-shaped plate frame (31), the first adjusting arm (36) and the second adjusting arm (37) are vertically arranged, a set of angle adjusting mechanism (4) is arranged between the first adjusting arm (36) and the bottom plate (35) and between the second adjusting arm (37) and the bottom plate (35), the angle adjusting mechanism (4) comprises a first ball head rod (41) and a second ball head rod (42), a screw rod (411) is formed on the first ball head rod (41), a threaded hole (421) with an opening at the upper side is formed in the rod part of the second ball head rod (42), the screw rod (411) is in threaded connection with the threaded hole (421), the ball heads of the second ball head rods (42) of the two angle adjusting mechanisms (4) are rotatably connected to the bottom plate (35), and the ball heads of the first ball head rods (41) of the two angle adjusting mechanisms (4) are respectively rotatably connected with the first adjusting arm (36) and the second adjusting arm (37); the bottom plate (35) is fixedly connected with the ground through a plurality of bolt assemblies (5).
2. The angle-adjustable base of a sunshade according to claim 1, characterized in that: the sunshade (1) comprises a central support rod (11), and a round hole (111) with an opening at the lower side is formed in the central support rod (11);
sunshade umbrella fixing base (2) including fixing sleeve (21) and the cover (22) that rises on the last bottom surface of first U type grillage (31), sleeve (21) and the cover (22) that rises set up with the axle center, the lower extreme plug bush of center vaulting pole (11) is in sleeve pipe (21), and the cover (22) plug bush that rises is in round hole (111), the upper end shaping of the cover (22) that rises has big-end-up's taper hole (221) and a plurality of open slot (222) that radially run through taper hole (221), and the shaping has first through-hole (223) that run through from top to bottom on the bottom surface of taper hole (221), be equipped with the core (23) that rises that sets up rather than with the axle center on the cover (22) that rises, core (23) that rises include big-end-up's taper platform (231), connect pole (232) and screw rod (233), the shaping has communicating second through-hole (311) with first through-hole (223) on first U type grillage (31), screw rod (233) pass first through-hole (223), The lower extending end of the second through hole (311) is in threaded connection with a locking nut (24), and the locking nut (24) is pressed against the lower bottom surface of the first U-shaped plate frame (31).
3. The angle-adjustable base of a sunshade according to claim 2, characterized in that: the first through hole (223) is a rectangular hole, and the connecting rod (232) is a rectangular rod matched with the first through hole (223).
4. The angle-adjustable base of a sunshade according to claim 1, characterized in that: a first hemispherical hole matched with the ball head of the second ball head rod (42) is formed in the bottom plate (35), a first cover plate (43) corresponding to the first hemispherical hole is fixed on the bottom plate (35), a first ball socket inner wall penetrating up and down is formed in the first cover plate (43), and the ball head of the second ball head rod (42) is clamped between the first hemispherical hole and the first ball socket inner wall; the outer end of the first adjusting arm (36) and the outer end of the second adjusting arm (37) are respectively formed with a second hemispherical hole matched with the ball head of the first ball head rod (41), the outer end of the first adjusting arm (36) and the outer end of the second adjusting arm (37) are respectively fixed with a second cover plate (44), each second cover plate (44) is formed with a second ball socket inner wall which is coaxially arranged with the second hemispherical hole, and the ball head of the first ball head rod (41) is clamped between the second hemispherical hole and the second ball socket inner wall.
5. The angle-adjustable base of a sunshade according to claim 4, characterized in that: a first hand wheel (45) is fixed on the rod part of the first bulb rod (41), and a second hand wheel (46) is fixed on the rod part of the second bulb rod (42).
6. The angle-adjustable base of a sunshade according to claim 1, characterized in that: the number of the bolt assemblies (5) is four, and the four bolt assemblies (5) are arranged on the periphery of the bottom plate (35) respectively.
7. The angle-adjustable base of a sunshade according to claim 1, characterized in that: bolt assembly (5) are including fixing base (51) in the concrete in advance, the shaping has quad slit (511) in base (51), the shaping has bolt through-hole (512) that run through from top to bottom on the last bottom surface of quad slit (511), bolt (52) have been cup jointed in bolt through-hole (512), the end spiro union has second nut (53) to stretch out on the upper end of bolt (52) passes bottom plate (35), end fixing that bolt (52) stretched into quad slit (511) has square (54), square (54) plug bush is in quad slit (511).
8. The angle-adjustable base of a sunshade according to claim 7, characterized in that: the distance between the uppermost end of the bolt (52) and the upper bottom surface of the bottom plate (35) is equal to the distance between the lower bottom surface of the square block (54) and the lower bottom surface of the square hole (511).
9. The angle-adjustable base of a sunshade according to claim 7, characterized in that: and a water outlet hole (513) which penetrates through the square hole (511) from top to bottom is formed in the lower bottom surface of the square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102743.5A CN111150195B (en) | 2020-02-19 | 2020-02-19 | Angle-adjustable base of sunshade umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102743.5A CN111150195B (en) | 2020-02-19 | 2020-02-19 | Angle-adjustable base of sunshade umbrella |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111150195A true CN111150195A (en) | 2020-05-15 |
| CN111150195B CN111150195B (en) | 2021-12-10 |
Family
ID=70566242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010102743.5A Expired - Fee Related CN111150195B (en) | 2020-02-19 | 2020-02-19 | Angle-adjustable base of sunshade umbrella |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111150195B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7040593B1 (en) * | 2002-12-26 | 2006-05-09 | Darnell Weatherall | Universal attachment umbrella holder |
| CN205512841U (en) * | 2016-01-28 | 2016-08-31 | 贺佳滢 | Response diversion umbrella |
| CN108860446A (en) * | 2018-07-09 | 2018-11-23 | 哈尔滨工程大学 | A kind of parallel connection multiple degrees of freedom cavitation device |
| CN209391229U (en) * | 2018-10-01 | 2019-09-17 | 绍兴市上虞恒盾伞业有限公司 | A kind of parasols of angle adjustable |
| CN209857160U (en) * | 2019-01-10 | 2019-12-27 | 辽宁华创安信新能源科技有限公司 | Angle-adjustable fixing device for electric heating radiation plate |
-
2020
- 2020-02-19 CN CN202010102743.5A patent/CN111150195B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7040593B1 (en) * | 2002-12-26 | 2006-05-09 | Darnell Weatherall | Universal attachment umbrella holder |
| CN205512841U (en) * | 2016-01-28 | 2016-08-31 | 贺佳滢 | Response diversion umbrella |
| CN108860446A (en) * | 2018-07-09 | 2018-11-23 | 哈尔滨工程大学 | A kind of parallel connection multiple degrees of freedom cavitation device |
| CN209391229U (en) * | 2018-10-01 | 2019-09-17 | 绍兴市上虞恒盾伞业有限公司 | A kind of parasols of angle adjustable |
| CN209857160U (en) * | 2019-01-10 | 2019-12-27 | 辽宁华创安信新能源科技有限公司 | Angle-adjustable fixing device for electric heating radiation plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111150195B (en) | 2021-12-10 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zeng Zhiyuan Inventor after: Huang Qiaoling Inventor after: He Junyin Inventor after: Liu Xiaoshuang Inventor after: Fan Ruwen Inventor before: Fan Ruwen |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |