CN110878625B - Apply paint roller with a brush convenient to angle is paintd in adjustment - Google Patents
Apply paint roller with a brush convenient to angle is paintd in adjustment Download PDFInfo
- Publication number
- CN110878625B CN110878625B CN201911093733.3A CN201911093733A CN110878625B CN 110878625 B CN110878625 B CN 110878625B CN 201911093733 A CN201911093733 A CN 201911093733A CN 110878625 B CN110878625 B CN 110878625B
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- roller
- rack
- liquid
- plate
- hose
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- 239000003973 paint Substances 0.000 title abstract description 43
- 239000007788 liquid Substances 0.000 claims description 67
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001680 brushing effect Effects 0.000 abstract description 12
- 238000010422 painting Methods 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 210000004209 hair Anatomy 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 6
- 239000004922 lacquer Substances 0.000 description 5
- 238000007761 roller coating Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to a brushing roller, in particular to a brushing roller convenient for adjusting a brushing angle. The technical problem is how to provide a brush roller which can not lead the brush hair to erect because of the wrong direction during brushing, can reduce the resistance during brushing, can evenly brush the wall surface, does not need to be continuously stained with the coating and is convenient for adjusting the brushing angle. A painting roller convenient for adjusting a painting angle comprises a mounting plate, a handle and the like; the handle is installed on the left side of the top of the mounting plate. The invention adjusts the swinging direction of the swinging plate through the meshing state of the rack and the gear, thereby adjusting the direction of the roller, facilitating an operator to paint the wall surface, and simultaneously, through the matching of the swinging plate and the arc-shaped contact rod, the operator can use the device without continuously putting the roller into a container to be stained with the wall paint, thereby saving the working time of the operator.
Description
Technical Field
The invention relates to a brushing roller, in particular to a brushing roller convenient for adjusting a brushing angle.
Background
The roller coating is characterized in that a roller is used as a carrier of the coating, the coating forms a wet film with a certain thickness on the surface of the roller, then the roller is contacted with an object to be coated in the rotating process, the coating is coated on the surface of the object to be coated, and the roller coating is suitable for the planar object to be coated.
The roller for roller coating is a hollow cylinder with small diameter, the surface layer is usually made of synthetic fiber or wool and other materials with strong adsorbability, and the roller can be roughly divided into a brush roller, a cloth roller and a pattern roller, is most suitable for large-area coating of water emulsion paint and decoration of inner and outer walls of buildings, and is also suitable for coating construction of antirust paint and mixed paint.
At present the operator when carrying out the application of wall paint to the wall, generally for the handheld roller of operator, when applying paint the wall with a brush, at first make the roller surface be stained with the wall paint, then the direction of applying paint with a brush according to the operator needs changes handheld roller, this kind of mode operation is too loaded down with trivial details, and can lead to the brush hair on roller surface to erect because the direction mistake when the operator applies paint with a brush, can influence the efficiency of applying paint with a brush because the resistance is great when promoting to applying paint the direction, and then it is not even enough to make the wall apply paint with a brush, and still need artifical continuous to put into the container with the roller and be stained with paint, the operation is more complicated like this.
Therefore, the invention provides the brush roller which can not cause the brush hair to be erected due to wrong direction during painting, can reduce the resistance during painting, can paint the wall surface uniformly, does not need to be continuously painted with paint, and is convenient for adjusting the painting angle, thereby solving the problems.
Disclosure of Invention
Too loaded down with trivial details in order to overcome the operation, and can lead to the brush hair on roller surface to erect because the direction mistake when the operator applies paint, can influence the efficiency of applying paint with a brush because the resistance is great when promoting to applying paint the direction to make the wall apply paint with a brush not enough evenly, still need artifical continuous put into the container with the roller and be stained with the shortcoming of coating, technical problem: the brush roller can not cause the bristles to stick up due to the wrong direction during brushing, can reduce the resistance during brushing, can uniformly brush the wall surface, does not need to be continuously stained with paint, and is convenient for adjusting the brushing angle.
The technical implementation scheme of the invention is as follows: the utility model provides a brush roll of scribbling convenient to angle is paintd in adjustment, including mounting panel and handle, the handle is installed in mounting panel top left side, still including swing board, rotary joint, hollow tube, roller and pendulous device, the articulated swing board that is connected with in mounting panel front side middle part, swing board lower part is hollow, swing board lower part front side installation has rotary joint, and the hollow tube is installed to the rotary joint front side, and there is detachable roller the hollow tube outside through threaded connection, and the mounting panel front side is equipped with the pendulous device, wherein the pendulous device is used for driving swing board and roller swing.
Optionally, the swinging device comprises a first sliding block, a self-resetting sliding rail, a rack, a cross bar, a second sliding block, a first spring, a contact plate, a roller and a gear, wherein the left side and the right side of the upper part of the front side of the mounting plate are both provided with first sliding grooves, the first sliding block is arranged in the first sliding grooves in a sliding manner, the front side of the first sliding block is provided with the self-resetting sliding rail in a horizontal sliding manner, the front side of the self-resetting sliding rail is provided with the rack, the right side of the upper part of the rack on the left side is provided with the cross bar, the cross bar is contacted with the left side of the upper part of the rack on the right side, the right side of the mounting plate is provided with the second sliding groove in a sliding manner, the second sliding block is connected with the right side of the middle part of the rack on the, the gear is intermittently matched with the racks on the left side and the right side.
Optionally, still including inlet means, inlet means is including the liquid storage jar, a piston, the arc contact arm, the second spring, go out liquid hose and inlet hose, the liquid storage jar is all installed to the mounting panel left and right sides, the slidingtype is equipped with the piston in the liquid storage jar, the arc contact arm is installed to the piston lower part, the liquid storage jar is worn out to arc contact arm lower extreme, arc contact arm inner and swing plate outside contact, be connected with the second spring between arc contact arm and the liquid storage jar, the outlet hose is installed in the liquid storage jar upper portion outside, outlet hose inner and swing plate lower part intercommunication, hollow tube circumference is evenly opened there is the liquid hole, inlet hose is installed on liquid storage jar outside upper portion.
Optionally, still including hollow rod, install hollow rod in the hollow rod, hollow rod and hollow tube sealing connection, four drain pipes are installed in the hollow rod outside, drain pipe and the crisscross setting of drain hole.
Optionally, the liquid inlet hose further comprises a steel wire and a balancing weight, the steel wire is mounted on the inner side of the lower portion of the liquid inlet hose, and the balancing weight is mounted on the lower portion of the steel wire.
The invention has the beneficial effects that: the invention adjusts the swinging direction of the swinging plate through the meshing state of the rack and the gear, thereby adjusting the direction of the roller, facilitating an operator to paint the wall surface, simultaneously being capable of matching the swinging plate with the arc contact rod, thus leading the operator to use the device without continuously putting the roller into a container to be stained with the wall paint, saving the working time of the operator, being capable of discharging the wall paint again through the liquid outlet hole on the inner wall of the hollow pipe through the liquid outlet pipe on the hollow rod, leading the wall paint to be uniformly discharged onto the roller, and leading the liquid inlet hose to be always positioned in the container filled with the wall paint through the balancing weight.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partial left-view structural diagram of the present invention.
Description of reference numerals: the device comprises a mounting plate 1, a handle 2, a swinging plate 3, a rotating joint 41, a hollow tube 42, a roller 43, a swinging device 5, a first sliding groove 51, a first sliding block 52, a self-resetting sliding rail 53, a rack 54, a cross bar 55, a second sliding groove 56, a second sliding block 57, a first spring 58, a contact plate 59, a roller 510, a gear 511, a liquid inlet device 6, a liquid storage cylinder 61, a piston 62, an arc contact rod 63, a second spring 64, a liquid outlet hose 65, a liquid outlet hole 66, a liquid inlet hose 67, a hollow rod 7, a liquid outlet pipe 8, a steel wire 9 and a counterweight 10.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Example 1
The utility model provides a brush roller convenient to angle is paintd in adjustment, as shown in fig. 1-2, including mounting panel 1, handle 2, swing plate 3, rotary joint 41, hollow tube 42, roller 43 and pendulous device 5, mounting panel 1 is connected with handle 2 through welded connection's mode, the articulated swing plate 3 that is connected with in mounting panel 1 front side middle part, swing plate 3 lower part is hollow, swing plate 3 lower part front side installs rotary joint 41, rotary joint 41 front side installs hollow tube 42, there is detachable roller 43 hollow tube 42 outside hollow tube 42 through threaded connection, mounting panel 1 front side is equipped with pendulous device 5, wherein pendulous device 5 is used for driving swing plate 3 and roller 43 swing.
The swinging device 5 comprises a first sliding block 52, a self-resetting sliding rail 53, a rack 54, a cross bar 55, a second sliding block 57, a first spring 58, a contact plate 59, a roller 510 and a gear 511, wherein the left side and the right side of the upper part of the front side of the mounting plate 1 are respectively provided with a first sliding chute 51, the first sliding chute 51 is internally provided with the first sliding block 52 in a sliding manner, the front side of the first sliding block 52 is horizontally and smoothly provided with the self-resetting sliding rail 53, the front side of the self-resetting sliding rail 53 is provided with the rack 54, the right side of the upper part of the rack 54 on the left side is provided with the cross bar 55, the cross bar 55 is contacted with the left side of the upper part of the rack 54 on the right side, the right side of the mounting plate 1 is provided with a second sliding chute 56, the second sliding chute 56 is internally provided with the second sliding block 57, the right side of the middle part of the second sliding, the roller 510 is in contact engagement with the contact plate 59, the gear 511 is mounted on the upper front side of the swing plate 3, the gear 511 is rotatably mounted on the swing plate 3, and the gear 511 is intermittently engaged with the racks 54 on the left and right sides.
When an operator paints a wall with wall paint, the operator firstly holds the handle 2 with one hand, two fingers respectively hook the rings at the upper parts of the racks 54, then puts the roller 43 into a container filled with the wall paint, so that the outer side of the roller 43 is fully adhered with the wall paint, when the operator paints the wall from left to right, the operator can pull the rack 54 at the left side of the mounting plate 1 upwards, the rack 54 at the left side of the mounting plate 1 moves upwards to drive the roller 510 to move upwards on the contact plate 59, the first slide block 52 at the left side moves upwards in the first slide slot 51 at the left side, when the roller 510 is positioned at the vertical part of the contact plate 59, the self-resetting slide rail 53 can move rightwards on the first slide block 52, so that the rack 54 moves rightwards while moving upwards, the cross bar 55 can be driven to move rightwards, the cross bar 55 can push the rack 54 at the right side of, so that the rack 54 on the left side is meshed with the gear 511, the rack 54 on the right side is separated from the gear 511, the rack 54 on the left side of the mounting plate 1 is continuously pulled upwards by an operator, the rack 54 on the left side moves upwards to drive the gear 511 to swing clockwise, the gear 511 can drive the swing plate 3 and the roller 43 to swing, when the roller 43 swings to a proper position, the operator can use the equipment to paint a wall, after finishing painting the wall surface, the operator presses the rack 54 on the left side of the mounting plate 1 downwards to enable the first slide block 52 on the left side to move downwards in the first slide groove 51 on the left side, when the rack 54 on the left side moves downwards to reset, the swing plate 3 can be driven to reset through the gear 511, after the roller 510 is contacted with the inclined surface of the contact plate 59, under the action of the self-resetting slide rail 53, the rack 54 on the left, therefore, the cross bar 55 can be driven to move leftwards, when the cross bar 55 no longer presses the right rack 54, under the action of the first spring 58, the right rack 54 can be driven to move leftwards to be meshed with the gear 511 again, when an operator paints a wall from right to left, the operator can pull the right rack 54 on the mounting plate 1 upwards, the rack 54 moves upwards to drive the gear 511 to rotate anticlockwise, the first slide block 52 on the right side moves upwards in the first slide groove 51 on the right side, the second slide block 57 also moves upwards in the second slide groove 56, as the operator continuously pulls the rack 54 on the right side of the mounting plate 1 upwards, the gear 511 drives the swing plate 3 to continuously rotate anticlockwise, when the roller 43 swings to a proper position, the operator can paint the wall by using the equipment, after the operator finishes painting the wall surface, the operator presses the rack 54 on the right side of the mounting plate 1 downwards, therefore, the right first sliding block 52 moves downwards in the right first sliding groove 51, the second sliding block 57 moves downwards in the second sliding groove 56, and when the right rack 54 moves downwards to reset, the swinging plate 3 resets, so that the adjustment of the painting angle of the roller 43 during painting the wall surface can be completed.
Example 2
On the basis of the embodiment 1, as shown in fig. 1-2, the liquid inlet device 6 is further included, the liquid inlet device 6 includes a liquid storage cylinder 61, a piston 62 and an arc contact rod 63, second spring 64, go out liquid hose 65 and inlet hose 67, liquid storage tank 61 is all installed to the mounting panel 1 left and right sides, the slidingtype is equipped with piston 62 in liquid storage tank 61, arc contact rod 63 is installed to piston 62 lower part, arc contact rod 63 lower extreme wears out liquid storage tank 61, arc contact rod 63 inner and the contact of swing board 3 outside, be connected with second spring 64 between arc contact rod 63 and the liquid storage tank 61, liquid hose 65 is installed through sealing connection's mode in the liquid storage tank 61 upper portion outside, liquid hose 65 inner and the lower part intercommunication of swing board 3, hollow tube 42 circumference is evenly opened there is liquid outlet 66, inlet hose 67 is installed through sealing connection's mode in liquid storage tank 61 outside upper portion.
Before the operator pulling rack 54, the operator at first puts into the container that fills up the wall lacquer with feed liquor hose 67, when swing board 3 horizontal hunting, alright drive arc contact bar 63 and remove, thereby can drive piston 62 under the effect of second spring 64, continuous reciprocating in liquid storage tank 61, thereby make the wall lacquer flow into to liquid storage tank 61 in through feed liquor hose 67, the wall lacquer flows into hollow tube 42 through going out liquid hose 65 again in, the wall lacquer in the hollow tube 42 can flow to roller 43 surface through going out liquid hole 66, like this alright make the operator when using this device, need not continuous putting into the container with roller 43 and be stained with the wall lacquer, can save the time of operator's work.
Example 3
On the basis of embodiment 2, as shown in fig. 1-2, the liquid discharging device further comprises a hollow rod 7 and liquid discharging pipes 8, the hollow rod 7 is installed in the hollow tube 42, the hollow rod 7 is connected with the hollow tube 42 in a sealing manner, the four liquid discharging pipes 8 are installed on the outer side of the hollow rod 7, and the liquid discharging pipes 8 and the liquid discharging holes 66 are arranged in a staggered manner.
The liquid inlet hose comprises a liquid inlet hose 67, a steel wire 9 and a balancing weight 10, wherein the steel wire 9 is arranged on the inner side of the lower part of the liquid inlet hose, and the balancing weight 10 is arranged on the lower part of the steel wire 9.
When the wall paint liquid inlet hose 67 flows into the hollow tube 42, the wall paint can firstly flow into the hollow rod 7, the wall paint in the hollow rod 7 can flow into the inner wall of the hollow tube 42 through the liquid outlet pipe 8 on the hollow rod 7, the wall paint is discharged again through the liquid outlet hole 66 on the inner wall of the hollow tube 42, and therefore the wall paint can be uniformly discharged onto the roller 43.
When an operator puts the two ends of the liquid inlet hose 67 into a container filled with wall paint, the balancing weights 10 at the two ends of the liquid inlet hose 67 enable the two ends of the liquid inlet hose 67 to sink in the container filled with the wall paint, and the liquid inlet hose 67 cannot be separated from the container when the liquid inlet hose is used.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (4)
1. The utility model provides a brush roll of scribbling convenient to angle is paintd in adjustment, is including mounting panel and handle, characterized by are installed to mounting panel top left side: the rotary joint is arranged on the front side of the lower part of the swinging plate, the hollow pipe is arranged on the front side of the rotary joint, the detachable roller is connected to the outer side of the hollow pipe through threads, and the swinging device is arranged on the front side of the mounting plate and used for driving the swinging plate and the roller to swing; the swinging device comprises a first sliding block, a self-resetting sliding rail, a rack and a cross bar, the second slider, first spring, the contact plate, gyro wheel and gear, mounting panel front side upper portion left and right sides all has opened first spout, first spout inward sliding type is equipped with first slider, first slider front side horizontal sliding type is equipped with from the slide rail that restores to the throne, from the slide rail front side that restores to the throne install the rack, the horizontal pole is installed on left rack upper portion right side, the horizontal pole contacts with rack upper portion left side on right side, the mounting panel right side is opened the second spout, second spout inward sliding type is equipped with the second slider, the second slider is connected with first spring with the rack middle part right side on right side, the contact plate is installed in the anterior left side of mounting panel, the contact plate is located the left side of left side rack, the gyro wheel is installed in the rack lower part left side of left part, gyro wheel and contact plate contact.
2. The applicator roll facilitating adjustment of an application angle according to claim 1, wherein: still including the inlet means, the inlet means is including storing up the liquid jar, a piston, arc contact arm, the second spring, go out liquid hose and feed liquor hose, the liquid storage jar is all installed to the mounting panel left and right sides, the slidingtype is equipped with the piston in the liquid storage jar, arc contact arm is installed to the piston lower part, the liquid storage jar is worn out to arc contact arm lower extreme, arc contact arm inner and swing plate outside contact, be connected with the second spring between arc contact arm and the liquid storage jar, liquid hose is installed in the liquid storage jar upper portion outside, go out liquid hose inner and swing plate lower part intercommunication, hollow tube circumference is evenly opened there is the liquid hole, feed liquor hose is installed on liquid storage jar outside upper portion.
3. The applicator roll facilitating adjustment of an application angle according to claim 2, wherein: still including hollow rod, install hollow rod in the hollow rod, hollow rod and hollow tube sealing connection, four drain pipes are installed in the hollow rod outside, drain pipe and the crisscross setting of play liquid hole.
4. The brush roll of claim 3, wherein the angle of application is adjustable by: the liquid inlet hose is characterized by further comprising a steel wire and a balancing weight, wherein the steel wire is installed on the inner side of the lower portion of the liquid inlet hose, and the balancing weight is installed on the lower portion of the steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093733.3A CN110878625B (en) | 2019-11-11 | 2019-11-11 | Apply paint roller with a brush convenient to angle is paintd in adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093733.3A CN110878625B (en) | 2019-11-11 | 2019-11-11 | Apply paint roller with a brush convenient to angle is paintd in adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110878625A CN110878625A (en) | 2020-03-13 |
| CN110878625B true CN110878625B (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911093733.3A Active CN110878625B (en) | 2019-11-11 | 2019-11-11 | Apply paint roller with a brush convenient to angle is paintd in adjustment |
Country Status (1)
| Country | Link |
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| CN (1) | CN110878625B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177282A (en) * | 2020-09-11 | 2021-01-05 | 赵小民 | Whitewash device is used in building engineering construction |
| CN112031350A (en) * | 2020-09-21 | 2020-12-04 | 广州优品工程有限公司 | Automatic quantitative spraying device for decorative materials |
| CN112588472A (en) * | 2020-12-08 | 2021-04-02 | 李卫国 | Paint spraying device capable of uniformly and quantitatively spraying |
| CN113908422A (en) * | 2021-11-15 | 2022-01-11 | 刘欣格 | Whitening and acne removing skin care instrument for treating acne |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2542635B1 (en) * | 1983-03-14 | 1986-10-10 | Copin Bernard | APPLICATOR ROLL AND LIQUID APPLICATION ASSEMBLY COMPRISING SUCH A ROLL |
| CN102500521A (en) * | 2011-11-15 | 2012-06-20 | 浙江普莱得电器有限公司 | Roll coater |
| CN104499694A (en) * | 2014-12-25 | 2015-04-08 | 重庆锦冈机械有限公司 | Quick wall whitewashing machine |
| CN208494747U (en) * | 2018-06-11 | 2019-02-15 | 祁东县一家家居有限公司 | A kind of height adjustable home decoration paint roll-on device |
| CN209443727U (en) * | 2018-10-24 | 2019-09-27 | 中建八局第一建设有限公司 | A kind of wall suppresses infiltration type roller |
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2019
- 2019-11-11 CN CN201911093733.3A patent/CN110878625B/en active Active
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| CN110878625A (en) | 2020-03-13 |
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Effective date of registration: 20210413 Address after: Group 7, Yuankou village, Zeya Town, Ouhai District, Wenzhou City, Zhejiang Province, 325000 Applicant after: Lin Zhongda Address before: 330001 room 402, unit 1, building 24, Botai weimafengshang, Guangzhou road, Qingyunpu District, Nanchang City, Jiangxi Province Applicant before: Liang Huanling |
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Effective date of registration: 20240411 Address after: 1601, Building D, Aote Kexing Science Park, No.10 Qiongyu Road, Science Park Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee after: Guangdong Huaxu Yunshang Construction Group Co.,Ltd. Country or region after: China Patentee after: Li Qinge Address before: Group 7, Yuankou village, Zeya Town, Ouhai District, Wenzhou City, Zhejiang Province, 325000 Patentee before: Lin Zhongda Country or region before: China |
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Effective date of registration: 20240531 Address after: 518000, Building D, 1601, Aote Kexing Science Park, No. 5 Qiongyu Road, Science Park Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Guangdong Huaxu Tuoxing Construction Engineering Co.,Ltd. Country or region after: China Address before: 1601, Building D, Aote Kexing Science Park, No.10 Qiongyu Road, Science Park Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee before: Guangdong Huaxu Yunshang Construction Group Co.,Ltd. Country or region before: China Patentee before: Li Qinge |
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