CN112850559A - Electromechanical device installs ladder for building engineering - Google Patents
Electromechanical device installs ladder for building engineering Download PDFInfo
- Publication number
- CN112850559A CN112850559A CN202110164888.2A CN202110164888A CN112850559A CN 112850559 A CN112850559 A CN 112850559A CN 202110164888 A CN202110164888 A CN 202110164888A CN 112850559 A CN112850559 A CN 112850559A
- Authority
- CN
- China
- Prior art keywords
- screw
- lifting
- locking
- rod
- seat
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/20—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through multiple or change-speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/04—Jacks with screw and nut
Abstract
The invention discloses an electromechanical equipment mounting ladder for construction engineering, which structurally comprises a lifting seat, a base plate, a protective frame and a protective door, and has the advantages that the lifting of the lifting seat is in a screw thread lifting mode, a lifting screw is arranged, a gear in threaded connection with the screw is arranged in a movable assembly seat, the descending speed of equipment can be reduced during lifting power failure through the rotation of threads, the gear connected with the screw can be locked by a locking rod after power failure, the movable assembly seat is locked, the safety of the equipment under the condition of lifting power failure is ensured, the equipment can be lifted, heightened and butted through the locking screw of the splicing screw and an unlocking screw which can be butted and locked through the locking screw and an inner locking rod, the rotation of the butted part can be locked through the inner locking rod, and during unlocking, the unlocking of interior locking lever is carried out to the accessible and is pulled unblock screw rod, makes the regulation of the limit that goes up and down that equipment can be convenient, convenient to use.
Description
Technical Field
The invention belongs to the technical field of constructional engineering equipment, and particularly relates to an electromechanical equipment mounting ladder for constructional engineering.
Background
The building engineering is an engineering entity for planning, surveying, designing, constructing, completing and the like for newly building, reconstructing or expanding a building structure and auxiliary structure facilities, and installation engineering of lines, pipelines and equipment matched with the engineering entity, also refers to the construction engineering of various buildings and structures, also called as construction workload, the investment amount of the engineering entity needs to be improved by using engineering materials, the construction can be realized through construction activities, in the construction process of the building engineering, different equipment is often used for construction and matching in different construction links, the equipment is the building engineering equipment, wherein in the construction process, a plurality of electromechanical equipment are often used for transportation and installation, and in the transportation and installation process, the equipment is often required to be installed and used by means of a liftable installation ladder due to the self weight problem, along with the rapid development of scientific technology, technical improvement is also obtained, but in the prior art, when equipment goes up and down in power failure, because the weight problem of electromechanical equipment, the condition of falling at a high speed easily appears, danger when going up and down in power failure is easily caused, and when the prior art is used, the equipment is relatively inconvenient to the height adjustment of going up and down, so that the equipment is not convenient to adjust and use in different height occasions, and inconvenience is caused.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the electromechanical equipment mounting ladder for the building engineering is provided, so that the problem that the electromechanical equipment is easy to fall at a high speed due to the weight problem of the electromechanical equipment when the electromechanical equipment is lifted and lowered in power failure in the prior art is solved, the danger caused when the lifting and lowering power failure occurs is easily caused, and the equipment is inconvenient to raise and lower in height when the electromechanical equipment is used in the prior art, so that the equipment is inconvenient to adjust and use in occasions with different heights, and the inconvenience is caused.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides an electromechanical equipment mounting ladder for constructional engineering, which comprises a lifting seat, a base plate, a protective frame and a protective door, wherein the protective frame is fixedly connected to the top end of the lifting seat;
the lifting seat comprises a fixed seat, a movable assembly seat, a movable top cover, a linkage gear, a locking rod, a first compression spring, an electromagnet, a driving gear, a motor, a lifting gear, a locking groove, a sliding ball, a lifting screw and a locking ring, wherein the lifting screw is fixedly connected with four corners of the top end of the fixed seat, the driving gear is arranged in the middle of the inner side of the movable assembly seat, the motor is buckled with the driving gear, the motor is inlaid in the middle of the movable assembly seat, the bottom end of the lifting gear is fixedly connected with the locking ring, the lifting gear and the locking ring are both arranged in the movable assembly seat, the lifting gear and the locking ring are both wrapped on the lifting screw, the lifting gear and the locking ring are both in threaded connection with the lifting screw, the lifting gear is connected with the driving gear through the linkage gear, the sliding ball is buckled, the electromagnet is embedded in the front side and the rear side of the interior of the movable assembly seat, the electromagnet is electrically connected with the motor, one end of the locking rod is connected with the electromagnet through a first compression spring, the other end of the locking rod is in clearance fit with the locking groove, the top end of the movable assembly seat is locked and connected with a movable top cover, and the movable assembly seat is located right above the fixed seat.
Further, the lifting screw comprises an inner lock rod, a splicing screw, a locking screw, a main screw, a lifting limiting plate, a second compression spring, a lifting inner rod, an unlocking screw and a butt-joint groove, the bottom end of the main screw is fixedly connected with the top end of the fixing base, the middle part of the bottom end of the splicing screw is provided with the locking screw, the middle parts of the top ends of the unlocking screw and the main screw are provided with the butt-joint groove, the splicing screw is locked with the butt-joint groove of the main screw through the locking screw, the middle part of the bottom end of the unlocking screw is fixedly connected with the top end of the lifting inner rod, the bottom end of the lifting inner rod is fixedly connected with the lifting limiting plate, the top end of the lifting limiting plate is buckled on the inner upper side of the splicing screw through the second compression spring, the bottom end of the lifting limiting plate.
Furthermore, the lifting screw rod is equipped with 4, linkage gear, locking lever, lifting gear, locking ring all correspond lifting screw rod and are equipped with 4.
Furthermore, the outer ring end of the locking ring is uniformly provided with a locking groove.
Further, the inner lock rod is a quadrangular rod.
Furthermore, the splicing screw, the main screw and the unlocking screw are concentric screws with the same radius.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1) for solving prior art when using, when equipment lift power failure, because electromechanical device's weight problem, the condition of high-speed whereabouts appears easily, cause the danger when lifting power failure easily, establish the form of screw thread lift through the lift with the lift seat, be equipped with the screw rod for the lift and be equipped with the gear with screw rod threaded connection in removing the mount pad, the rotation that makes equipment accessible screw thread slows down the falling speed when lifting power failure, the gear of being connected with the screw rod can be locked by the locking lever after electric power loses the electricity, make the removal mount pad locked, guarantee the safety of equipment under the lifting power failure condition.
2) When solving prior art use, equipment is comparatively inconvenient to the accent of going up and down, make equipment be not convenient for carry out the regulation of co-altitude occasion and use, cause inconvenience, through being equipped with splicing screw and the unblock screw that can dock and lock through locking screw and interior locking lever, the locking screw that makes equipment accessible splicing screw goes up and down to increase the butt joint, and the rotatory locking of butt joint department is carried out to the locking lever in the accessible, when the unblock, the unblock of unblock screw in carrying out the unlocking lever is carried to the accessible, make the regulation of the limit that goes up and down that equipment can be convenient, and convenient use.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of an electromechanical equipment mounting ladder for construction engineering according to the present invention;
FIG. 2 is a schematic sectional view of a bottom view of the lifting base of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a front cross-sectional structure of the lifting screw of the present invention;
FIG. 5 is an enlarged view of B in FIG. 4 according to the present invention;
in the figure: the lifting device comprises a lifting seat-1, a base plate-2, a protective frame-3, a protective door-4, a fixed seat-a, a movable assembling seat-b, a movable top cover-c, a linkage gear-d, a locking rod-e, a first compression spring-f, an electromagnet-g, a driving gear-h, a motor-i, a lifting gear-j, a locking groove-k, a sliding ball-l, a lifting screw-m, a locking ring-n, a lifting screw-m, an inner locking rod-m 1, a splicing screw-m 2, a locking screw-m 3, a main screw-m 4, a lifting limiting plate-m 5, a second compression spring-m 6, a lifting inner rod-m 7, an unlocking screw-m 8 and a butt joint groove-m 9.
Detailed Description
Referring to fig. 1 to 5, the present invention provides an electromechanical device installation ladder for construction engineering: the lifting seat comprises a lifting seat 1, a base plate 2, a protective frame 3 and a protective door 4, wherein the protective frame 3 is fixedly connected to the top end of the lifting seat 1, the protective door 4 is movably buckled at the left end of the protective frame 3, and the base plate 2 is arranged at the left end of the lifting seat 1;
the lifting seat 1 comprises a fixed seat a, a movable assembling seat b, a movable top cover c, a linkage gear d, a locking rod e, a first compression spring f, an electromagnet g, a driving gear h, a motor i, a lifting gear j, a locking groove k, a sliding ball l, a lifting screw m and a locking ring n, wherein the four corners of the top end of the fixed seat a are fixedly connected with the lifting screw m, the middle part of the inner side of the movable assembling seat b is provided with the driving gear h, the motor i is buckled with the driving gear h, the motor i is inlaid in the middle part of the movable assembling seat b, the bottom end of the lifting gear j is fixedly connected with the locking ring n, the lifting gear j and the locking ring n are both arranged in the movable assembling seat b, the lifting gear j and the locking ring n are both covered on the lifting screw m, the lifting gear j and the locking ring n are both in threaded connection with the lifting screw, the utility model discloses a locking device, including locking ring n, electro-magnet g, motor i, locking rod e, locking assembly seat b, locking ring n and removal assembly seat b, the lock has been detained between the lock ring n and the removal assembly seat b and has been had smooth ball l, locking ring n outer loop end is equipped with locking groove k, electro-magnet g inlays and locates and remove assembly seat b inside front and back both sides, electro-magnet g is connected with motor i electricity, locking rod e one end meets through first compression spring f and electro-magnet g, the locking rod e other end and locking groove k clearance fit, it has removal top.
Wherein the lifting screw m comprises an inner lock rod m1, a splicing screw m2, a locking screw m3, a main screw m4, a lifting limit plate m5, a second compression spring m6, a lifting inner rod m7, an unlocking screw m8 and a butt joint groove m9, the bottom end of the main screw m4 is fixedly connected with the top end of the fixed seat a, the middle part of the bottom end of the splicing screw m2 is provided with the locking screw m3, the middle parts of the top ends of the unlocking screw m8 and the main screw m4 are respectively provided with the butt joint groove m9, the splicing screw m2 is locked with the butt joint groove m2 of the main screw m2 through the locking screw m2, the middle part of the bottom end of the unlocking screw m2 is fixedly connected with the top end of the lifting inner rod m2, the top end of the lifting limit plate m2 is fixedly connected with the upper side inside of the splicing screw m2 through the second compression spring m2, and the top end of the lifting limit plate m2 is fixedly connected with the top end of the inner lock rod m, the bottom end of the inner lock rod m1 is buckled with the butt joint groove m9 of the main screw rod m 4.
The number of the lifting screws m is 4, and the number of the linkage gear d, the number of the locking rods e, the number of the lifting gears j and the number of the locking rings n are 4 corresponding to the number of the lifting screws m.
And the outer ring end of the locking ring n is uniformly provided with locking grooves k.
Wherein, the inner lock lever m1 is a quadrangular lever.
The splicing screw m2, the main screw m4 and the unlocking screw m8 are concentric screws with the same radius.
The working principle is as follows: when the lifting assembly seat is used, under the condition that the motor is normally electrified, the electromagnet can also operate along with the electrification of the motor, so that the electromagnet can attract the locking rod to move, the locking rod can be separated from the locking groove, even if the lifting gear fixedly connected with the locking ring provided with the locking groove can rotate, so that when the motor drives the driving gear to rotate, the driving gear can drive the lifting gear to rotate through the linkage gear, the lifting gear can lift on the screw rod through threads when rotating by itself, and when the lifting power fails, the motor is separated from the driving of the driving gear, at the moment, because the lifting gear is required to descend on the screw rod by moving the assembly seat, the speed is limited, the danger of high-speed descending can not occur, meanwhile, the electromagnet can also be attracted along with the separation of the attraction of the locking rod, so that the locking rod can be jacked into the locking groove, make and remove the assembly seat and be locked, guarantee the safety of equipment under the power failure circumstances that goes up and down, and equipment is in the use, if need carry out the increase of height that goes up and down, the accessible docks the concatenation screw rod through locking screw, when locking screw locks to furthest, interior locking lever can lock the rotation of concatenation screw rod, avoid the random rotation after the concatenation of concatenation screw rod, and when needs carry out the concatenation screw rod and demolish, the unblock screw rod at the top is carried to the accessible, make the rotatory locking that the interior locking lever of unblock screw rod drive rises and breaks away from the concatenation screw rod, make the concatenation screw rod can carry out convenient demolising, the regulation that goes up and down the limit that makes equipment can be convenient, and convenient for use.
The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the invention.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an electromechanical device installs ladder for building engineering, its structure includes lift seat (1), backing plate (2), protection frame (3), guard gate (4), lift seat (1) top fixedly connected with guard frame (3), guard frame (3) left end activity lock joint has guard gate (4), lift seat (1) left end, its characterized in that are located in backing plate (2):
the lifting seat (1) comprises a fixed seat (a), a movable assembling seat (b), a movable top cover (c), a linkage gear (d), a locking rod (e), a first compression spring (f), an electromagnet (g), a driving gear (h), a motor (i), a lifting gear (j), a locking groove (k), a sliding ball (l), a lifting screw (m) and a locking ring (n), wherein the four corners of the top end of the fixed seat (a) are fixedly connected with the lifting screw (m), the middle part of the inner side of the movable assembling seat (b) is provided with the driving gear (h), the motor (i) is buckled with the driving gear (h), the motor (i) is embedded in the middle part of the movable assembling seat (b), the bottom end of the lifting gear (j) is fixedly connected with the locking ring (n), and the lifting gear (j) and the locking ring (n) are arranged in the, the lifting gear (j) and the locking ring (n) are all coated on the lifting screw (m), the lifting gear (j) and the locking ring (n) are all in threaded connection with the lifting screw (m), the lifting gear (j) is connected with the driving gear (h) through the linkage gear (d), the locking ring (n) is buckled with the movable assembling seat (b) to form a sliding ball (l), the outer ring end of the locking ring (n) is provided with a locking groove (k), the electromagnet (g) is inlaid in the front side and the rear side of the inside of the movable assembling seat (b), the electromagnet (g) is electrically connected with the motor (i), one end of the locking rod (e) is connected with the electromagnet (g) through a first compression spring (f), the other end of the locking rod (e) is in clearance fit with the locking groove (k), the top end of the movable assembling seat (b) is locked to form a movable top cover (c), the movable assembling seat (b) is positioned right above the fixed seat (a).
2. The electromechanical device mounting ladder for construction engineering as set forth in claim 1, wherein: the lifting screw (m) comprises an inner lock rod (m1), a splicing screw (m2), a locking screw (m3), a main screw (m4), a lifting limit plate (m5), a second compression spring (m6), a lifting inner rod (m7), an unlocking screw (m8) and a butt joint groove (m9), the bottom end of the main screw (m4) is fixedly connected with the top end of a fixed seat (a), the middle part of the bottom end of the splicing screw (m2) is provided with the locking screw (m3), the middle parts of the top ends of the unlocking screw (m8) and the main screw (m4) are respectively provided with the butt joint groove (m9), the splicing screw (m2) is locked with the butt joint groove (m9) of the main screw (m4) through the locking screw (m3), the middle part of the bottom end of the unlocking screw (m8) is fixedly connected with the top end of the lifting inner rod (m7), the bottom end of the lifting inner rod (m7) is fixedly connected with the lifting limit plate (m7) through the upper side of the second compression spring (m7), the bottom end of the lifting limiting plate (m5) is fixedly connected with the top end of the inner locking rod (m1), and the bottom end of the inner locking rod (m1) is buckled with the butt joint groove (m9) of the main screw rod (m 4).
3. The electromechanical device mounting ladder for construction engineering as set forth in claim 1, wherein: the lifting screw rods (m) are 4, and the linkage gear (d), the locking rod (e), the lifting gear (j) and the locking ring (n) are 4 corresponding to the lifting screw rods (m).
4. The electromechanical device mounting ladder for construction engineering as set forth in claim 1, wherein: and the outer ring end of the locking ring (n) is uniformly provided with a locking groove (k).
5. The electromechanical device mounting ladder for construction engineering as set forth in claim 1, wherein: the inner lock bar (m1) is a quadrangular bar.
6. The electromechanical device mounting ladder for construction engineering as set forth in claim 1, wherein: the splicing screw (m2), the main screw (m4) and the unlocking screw (m8) are concentric screws with the same radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110164888.2A CN112850559A (en) | 2021-02-05 | 2021-02-05 | Electromechanical device installs ladder for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110164888.2A CN112850559A (en) | 2021-02-05 | 2021-02-05 | Electromechanical device installs ladder for building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112850559A true CN112850559A (en) | 2021-05-28 |
Family
ID=75988794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110164888.2A Withdrawn CN112850559A (en) | 2021-02-05 | 2021-02-05 | Electromechanical device installs ladder for building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112850559A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775863A (en) * | 2021-08-10 | 2021-12-10 | 宁夏维尔康环境检测有限公司 | Auxiliary frame for air detection sampler |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637707A (en) * | 2015-02-06 | 2015-05-20 | 重庆巨基科技有限公司 | Selecting switch with electromagnetic enabling function |
| CN209259616U (en) * | 2018-08-10 | 2019-08-16 | 吕海波 | A kind of architectural engineering lift |
| CN210683081U (en) * | 2019-09-17 | 2020-06-05 | 吴立 | Gallows structure is used in building engineering construction |
| CN212004036U (en) * | 2020-03-30 | 2020-11-24 | 江苏中邦智能科技有限公司 | Gear rack, chain wheel and chain locking device |
-
2021
- 2021-02-05 CN CN202110164888.2A patent/CN112850559A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637707A (en) * | 2015-02-06 | 2015-05-20 | 重庆巨基科技有限公司 | Selecting switch with electromagnetic enabling function |
| CN209259616U (en) * | 2018-08-10 | 2019-08-16 | 吕海波 | A kind of architectural engineering lift |
| CN210683081U (en) * | 2019-09-17 | 2020-06-05 | 吴立 | Gallows structure is used in building engineering construction |
| CN212004036U (en) * | 2020-03-30 | 2020-11-24 | 江苏中邦智能科技有限公司 | Gear rack, chain wheel and chain locking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775863A (en) * | 2021-08-10 | 2021-12-10 | 宁夏维尔康环境检测有限公司 | Auxiliary frame for air detection sampler |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220127 Address after: No.54, qiaozhong South Road, Liwan District, Guangzhou City, Guangdong Province, 510665 Applicant after: Li Suimin Address before: No.54, qiaozhong South Road, Liwan District, Guangzhou City, Guangdong Province, 510665 Applicant before: Guangzhou Haojie Toys Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210528 |