CN110565326B - Cylinder wall cleaning device of vertical drum washing machine - Google Patents

Cylinder wall cleaning device of vertical drum washing machine Download PDF

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Publication number
CN110565326B
CN110565326B CN201910784422.5A CN201910784422A CN110565326B CN 110565326 B CN110565326 B CN 110565326B CN 201910784422 A CN201910784422 A CN 201910784422A CN 110565326 B CN110565326 B CN 110565326B
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washing machine
spoiler
rod
wall
baffle plate
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CN201910784422.5A
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CN110565326A (en
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王燕进
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Jiaxing Dingshan Information Technology Co ltd
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Jiaxing Dingshan Information Technology Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a cylinder wall cleaning device of a vertical roller washing machine, which comprises an outer cylinder and an inner cylinder, wherein a sliding block is connected to the inner top of the outer cylinder in a circumferential sliding manner, the lower end of the sliding block is rotatably connected with a rotating shaft, a spoiler is fixedly connected to the lower end of the rotating shaft, a sliding groove is formed in the lower end of the spoiler, a device rod is connected to the sliding groove in a sliding manner through a sliding rod, a spring is sleeved on the sliding rod, row-shaped brushes are arranged on the side wall, opposite to the outer cylinder, of the device rod, the upper end of the outer cylinder is rotatably connected with a rotating rod in a penetrating manner, a baffle plate for blocking the spoiler is fixed to the lower end of the rotating rod, the upper end of the rotating rod is connected with the upper end of the outer cylinder through a locking mechanism, magnetic sheets are embedded in the side wall of the baffle plate, magnetic sheets which repel each other like the magnetic sheets are fixed to the diagonal side wall of the spoiler, and a magnetic ring is embedded in the outer side wall of the inner cylinder. The invention has reasonable structure, can quickly and effectively clean dirt on the walls of the inner barrel and the outer barrel, does not need to disassemble, and has low cost and convenient use.

Description

Cylinder wall cleaning device of vertical drum washing machine
Technical Field
The invention relates to the technical field of vertical drum washing machines, in particular to a drum wall cleaning device of a vertical drum washing machine.
Background
The drum washing machine consists of stainless steel inner tub, mechanical program controller, casing with three protections of phosphorization, electrophoresis and spraying, and several heavy cement blocks to balance the great centrifugal force produced during rotation of the drum for repeated motion, and washing powder and water to wash clothing. In the vertical drum washing machine, after a certain period of time, a large amount of dirt adheres to the inner and outer drum walls, and is irregularly cleaned, the dirt is mixed with the clothes to be washed, the washing effect is poor, and the skin is itchy when the clothes are worn, so that the health of a user is affected.
At present, the drum washing machine is cleaned comprehensively by disassembling the machine, and the vertical drum washing machine has a complex structure and is disassembled by professional workers, so that the cost is high.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a cylinder wall cleaning device of a vertical drum washing machine, which can quickly and effectively clean dirt on the cylinder walls of an inner cylinder and an outer cylinder, does not need to be disassembled, and is low in cost and convenient to use.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cylinder wall cleaning device of a vertical roller washing machine comprises an outer cylinder and an inner cylinder, wherein a sliding block is connected to the inner top of the outer cylinder in a circumferential sliding manner, a rotating shaft is connected to the lower end of the sliding block in a rotating manner, a spoiler is fixedly connected to the lower end of the rotating shaft, a sliding groove is formed in the lower end of the spoiler, a device rod is connected to the sliding groove in a sliding manner through a sliding rod, a spring is sleeved on the sliding rod, row-shaped brushes are arranged on the side wall, opposite to the outer cylinder, of the device rod, a rotating rod is connected to the upper end of the outer cylinder in a penetrating and rotating manner, a baffle plate used for blocking the spoiler is fixed to the lower end of the rotating rod, the upper end of the rotating rod is connected with the upper end of the outer cylinder through a locking mechanism, magnetic sheets are embedded in the side walls of the baffle plate, magnetic blocks which repel like the magnetic sheets are fixed to the diagonal side walls of the spoiler, a magnetic ring is embedded in the outer side wall of the inner cylinder, and a magnetic strip is fixed to the side wall of the device rod, which is opposite to the inner cylinder, the outer side of the magnetic strip and the outer side of the magnetic ring are opposite in polarity.
Preferably, a friction plate is installed on the side wall of the joint of the rotating shaft and the sliding block.
Preferably, the locking mechanism comprises a nut fixed at the upper end of the rotating rod, a threaded sleeve matched with the nut is arranged at the upper end of the outer barrel, and the rotating rod penetrates through the threaded sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. be provided with the spoiler, the device pole is installed to the spoiler lower extreme, and row form brush is installed to the lateral wall of device pole, can utilize the direction of motion and the centrifugal force that the rotation produced of rivers, makes row form brush hug closely section of thick bamboo wall and carry out the scrubbing of surrounding type, design benefit, and the clearance is quick.
2. Be provided with the baffle, the lateral wall of baffle inlays and is equipped with the magnetic sheet, spoiler diagonal angle lateral wall is equipped with the magnetic path that repels mutually with the magnetic sheet, when needing to clear up the inner tube lateral wall, only need rotate the baffle and make it parallel with the spoiler, can encircle the automatic limit of trading in a week back at the spoiler, make row form brush can clear up the lateral wall of inner tube, the inner wall of clearance urceolus that can reciprocate and the lateral wall of inner tube, the clearance is abundant, and is effectual.
Drawings
Fig. 1 is a schematic structural diagram of a drum wall cleaning device of a vertical drum washing machine according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at the position A of the drum wall cleaning device of the vertical drum-type washing machine according to the present invention;
FIG. 3 is a schematic top view of a spoiler of the device for cleaning the wall of the vertical drum-type washing machine according to the present invention;
FIG. 4 is a schematic diagram illustrating a cleaning state of row-shaped brushes of the drum wall cleaning device of the vertical drum-type washing machine according to the present invention;
fig. 5 is a schematic diagram illustrating a reverse cleaning state of the row-shaped brushes of the drum wall cleaning device of the vertical drum washing machine according to the present invention.
In the figure: the device comprises an outer cylinder 1, an inner cylinder 2, a sliding block 3, a screw cap 4, a rotating shaft 5, a spoiler 6, a device rod 7, a magnetic stripe 8, a row-shaped brush 9, a magnetic ring 10, a baffle 11, a magnetic sheet 12, a rotating rod 13, a magnetic block 14, a spring 15 and a sliding chute 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a cylinder wall cleaning device for a vertical drum washing machine comprises an outer cylinder 1 and an inner cylinder 2, wherein a sliding block 3 is connected to the inner top of the outer cylinder 1 in a circumferential sliding manner, a rotating shaft 5 is connected to the lower end of the sliding block 3 in a rotating manner, a spoiler 6 is fixedly connected to the lower end of the rotating shaft 5, a sliding chute 16 is arranged at the lower end of the spoiler 6, a device rod 7 is connected to the inside of the sliding chute 16 in a sliding manner through a sliding rod, a spring 15 is sleeved on the sliding rod, a row-shaped brush 9 is arranged on the side wall of the device rod 7 opposite to the outer cylinder 1, a rotating rod 13 is connected to the upper end of the outer cylinder 1 in a penetrating and rotating manner, a baffle plate 11 for blocking the spoiler 6 is fixed at the lower end of the rotating rod 13, the upper end of the rotating rod 13 is connected to the upper end of the outer cylinder 1 through a locking mechanism, a magnetic sheet 12 is embedded in the side wall of the baffle plate 11, magnetic sheets 14 which are fixed at the opposite corners of the magnetic sheet 6, a magnetic sheet 14 which is repellent to the same polarity as the magnetic sheet 12, a magnetic ring 10 is embedded in the outer side wall of the inner cylinder 2, the magnetic strip 8 is fixed on the side wall of the device rod 7 opposite to the inner barrel 2, the outer side of the magnetic strip 8 and the outer side of the magnetic ring 10 are attracted in different poles, the magnetic force between the magnetic strip 8 and the magnetic ring 10 is large, and the attraction force between the magnetic strip 8 and the magnetic ring 10 is far larger than the centrifugal force generated by the washing machine.
In the invention, the friction plate is arranged on the side wall of the joint of the rotating shaft 5 and the sliding block 3, so that the spoiler 6 can not generate deflection after being impacted by water flow, and the rotating shaft 5 can rotate only by a large force. Locking mechanism is including fixing nut 4 in the bull stick 13 upper end, and the upper end of urceolus 1 is equipped with the thread bush with nut 4 matched with, and bull stick 13 runs through the thread bush, when needing to clear up the inner wall of inner tube 2, it can to unscrew nut 4 and rotate, easy operation.
In the invention, when the vertical roller washing machine is used for washing clothes normally, the rotating speed of the washing machine is correspondingly slowed down after clothes are put into the inner barrel 2, the centrifugal force is weaker, the elastic force of the spring 15 is larger than the centrifugal force, and the row-shaped brushes 9 cannot contact the inner wall of the outer barrel 1, namely cannot be cleaned in the washing process; however, when the washing machine does not contain clothes, the rotating speed of the washing machine can be increased under the same power, the centrifugal force is increased at the moment, the centrifugal force is larger than the elastic force of the spring 15, the row-shaped brushes 9 can be tightly attached to the inner wall of the outer barrel 1 at the moment, the washing machine is started after the washing machine is filled with water, fast-rotating water flow formed in the washing machine can impact the flow blocking plate 6, and the flow blocking plate 6 can drive the row-shaped brushes 9 to surround and clean the inner wall of the outer barrel 1.
When needing to clear up the outer wall of inner tube 2, only need loosen nut 4, rotate bull stick 13, drive baffle 11 and rotate to being parallel with spoiler 6, it fixes to screw up nut 4 again, after spoiler 6 encircles a week, collide with baffle 11, because spoiler 6 area is one time of baffle 11 area, inner part of spoiler 6 is not blockked, thereby produce and rotate, including the repulsion effect of magnetic path 14 and magnetic sheet 12, can make spoiler 6 produce the upset, make row form brush 9 face inner tube 2, because the appeal before annular magnetic ring 10 and the magnetic stripe 8 is far greater than centrifugal force and the elasticity of spring 15, thereby row form brush 9 can hug closely the outer wall of inner tube 2, produce the reversal through baffle 11 again after clearing up a week, clear up the inner wall of urceolus 1, thereby realize reciprocal clearance, the clearance is effectual.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (1)

1. The cylinder wall cleaning device of the vertical drum washing machine comprises an outer cylinder (1) and an inner cylinder (2), and is characterized in that a sliding block (3) is connected to the circumferential direction of the top of the inner cylinder (1) in a sliding manner, a rotating shaft (5) is connected to the lower end of the sliding block (3) in a rotating manner, a spoiler (6) is fixedly connected to the lower end of the rotating shaft (5), a sliding chute (16) is formed in the lower end of the spoiler (6), a device rod (7) is connected to the inside of the sliding chute (16) in a sliding manner through a sliding rod, a spring (15) is sleeved on the sliding rod, row-shaped brushes (9) are arranged on the side wall, opposite to the outer cylinder (1), of the device rod (7), a rotating rod (13) is connected to the upper end of the outer cylinder (1) in a penetrating and rotating manner, a baffle (11) used for blocking the spoiler (6) is fixed to the lower end of the rotating rod (13), and the upper end of the rotating rod (13) is connected with the upper end of the outer cylinder (1) through a locking mechanism, a magnetic sheet (12) is embedded in the side wall of the baffle (11), magnetic blocks (14) which repel with the same poles of the magnetic sheet (12) are fixed on the diagonal side walls of the spoiler (6), a magnetic ring (10) is embedded on the outer side wall of the inner cylinder (2), a magnetic strip (8) is fixed on the side wall of the device rod (7) opposite to the inner cylinder (2), and the outer side of the magnetic strip (8) and the outer side of the magnetic ring (10) are opposite in poles and attract;
a friction plate is arranged on the side wall of the joint of the rotating shaft (5) and the sliding block (3);
the locking mechanism comprises a nut (4) fixed at the upper end of a rotating rod (13), a threaded sleeve matched with the nut (4) is arranged at the upper end of the outer barrel (1), and the rotating rod (13) penetrates through the threaded sleeve;
when the vertical roller washing machine washes clothes normally, the rotating speed of the washing machine is correspondingly slowed down after clothes are put into the inner barrel (2), the centrifugal force is weaker, the elastic force of the spring (15) is larger than the centrifugal force, the row-shaped hairbrushes (9) cannot contact the inner wall of the outer barrel (1), and the cleaning cannot be carried out in the washing process; when the clothes are not put in the washing machine, the rotating speed of the washing machine is increased under the same power, the centrifugal force is increased at the moment and is larger than the elastic force of the spring (15), the row-shaped brushes (9) are tightly attached to the inner wall of the outer barrel (1), after the washing machine is filled with water, the washing machine is started, water flow which is formed in the washing machine and rotates rapidly collides with the spoiler (6), and the spoiler (6) drives the row-shaped brushes (9) to surround and clean the inner wall of the outer barrel (1);
when the outer wall of the inner barrel (2) needs to be cleaned, only the screw cap (4) needs to be loosened, the rotating rod (13) is rotated to drive the baffle plate (11) to rotate to be parallel to the flow baffle plate (6), the screw cap (4) is screwed down to be fixed, when the flow baffle plate (6) surrounds a circle, the flow baffle plate collides with the baffle plate (11), because the area of the flow baffle plate (6) is one time of that of the baffle plate (11), the inner part of the flow baffle plate (6) is not blocked, so that the rotation is generated, and under the repulsion action of the magnetic block (14) and the magnetic sheet (12), the flow baffle plate (6) can be overturned, so that the row-shaped brush (9) faces the inner barrel (2), because the attraction force between the annular magnetic ring (10) and the magnetic strip (8) is far greater than the centrifugal force and the elastic force of the spring (15), the row-shaped brush (9) can be tightly attached to the outer wall of the inner barrel (2), and the outer wall of the row-shaped brush (2) can be overturned after being cleaned for a circle again through the baffle plate (11), the inner wall of the outer cylinder (1) is cleaned, so that reciprocating cleaning is realized, and the cleaning effect is good.
CN201910784422.5A 2019-08-23 2019-08-23 Cylinder wall cleaning device of vertical drum washing machine Active CN110565326B (en)

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CN110565326B true CN110565326B (en) 2021-11-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111501290A (en) * 2020-04-16 2020-08-07 义乌工商职业技术学院 Cleaning device for intelligence washing machine is used

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004073784A (en) * 2002-08-15 2004-03-11 Yoshio Inoue Automatic washing machine which inhibits growth of aspergillus niger
CN200981941Y (en) * 2006-10-30 2007-11-28 杭州松下家用电器有限公司 Cleaning device for inner-barrel outside wall of washing machine
CN103343438A (en) * 2013-07-10 2013-10-09 镇江市博林光电科技有限公司 Washing machine with dirt removing function
CN103541188A (en) * 2013-10-29 2014-01-29 合肥荣事达三洋电器股份有限公司 Washing machine with barrel self-cleaning function
CN203923705U (en) * 2014-05-03 2014-11-05 扬州大学 A kind of can automated cleaning inner tank theca and the washing machine of outer tube inner wall dirt
CN105887415A (en) * 2016-06-24 2016-08-24 江苏雷利电机股份有限公司 Fixed self-cleaning device for washing machine inner cylinder and washing machine using same
TW201741518A (en) * 2016-05-16 2017-12-01 meng lan Li Washing machine descaling device comprises a linking-up main body and a descaling set to achieve larger range of descaling region and very good effect of descaling the inner tank and outer tank
CN108385332A (en) * 2018-03-07 2018-08-10 于美花 A kind of automatically cleaning washing machine
CN109267296A (en) * 2018-10-27 2019-01-25 苟会兵 A kind of automatic washing machine cleaning device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004073784A (en) * 2002-08-15 2004-03-11 Yoshio Inoue Automatic washing machine which inhibits growth of aspergillus niger
CN200981941Y (en) * 2006-10-30 2007-11-28 杭州松下家用电器有限公司 Cleaning device for inner-barrel outside wall of washing machine
CN103343438A (en) * 2013-07-10 2013-10-09 镇江市博林光电科技有限公司 Washing machine with dirt removing function
CN103541188A (en) * 2013-10-29 2014-01-29 合肥荣事达三洋电器股份有限公司 Washing machine with barrel self-cleaning function
CN203923705U (en) * 2014-05-03 2014-11-05 扬州大学 A kind of can automated cleaning inner tank theca and the washing machine of outer tube inner wall dirt
TW201741518A (en) * 2016-05-16 2017-12-01 meng lan Li Washing machine descaling device comprises a linking-up main body and a descaling set to achieve larger range of descaling region and very good effect of descaling the inner tank and outer tank
CN105887415A (en) * 2016-06-24 2016-08-24 江苏雷利电机股份有限公司 Fixed self-cleaning device for washing machine inner cylinder and washing machine using same
CN108385332A (en) * 2018-03-07 2018-08-10 于美花 A kind of automatically cleaning washing machine
CN109267296A (en) * 2018-10-27 2019-01-25 苟会兵 A kind of automatic washing machine cleaning device

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License type: Common License

Record date: 20240701

Application publication date: 20191213

Assignee: Zhejiang Chiye Shoes Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008353

Denomination of invention: A Wall Cleaning Device for Vertical Drum Washing Machine

Granted publication date: 20211130

License type: Common License

Record date: 20240701

Application publication date: 20191213

Assignee: TAIZHOU JINFUJIA MACHINERY Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008352

Denomination of invention: A Wall Cleaning Device for Vertical Drum Washing Machine

Granted publication date: 20211130

License type: Common License

Record date: 20240701

Application publication date: 20191213

Assignee: Wenling Industrial Machinery Manufacturing Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008342

Denomination of invention: A Wall Cleaning Device for Vertical Drum Washing Machine

Granted publication date: 20211130

License type: Common License

Record date: 20240701

Application publication date: 20191213

Assignee: Wenling Huahong Copper Industry Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008341

Denomination of invention: A Wall Cleaning Device for Vertical Drum Washing Machine

Granted publication date: 20211130

License type: Common License

Record date: 20240701

Application publication date: 20191213

Assignee: Wenling Huanhua Shoe Materials Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008334

Denomination of invention: A Wall Cleaning Device for Vertical Drum Washing Machine

Granted publication date: 20211130

License type: Common License

Record date: 20240701

Application publication date: 20191213

Assignee: Taizhou Xinghao Shoes Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008332

Denomination of invention: A Wall Cleaning Device for Vertical Drum Washing Machine

Granted publication date: 20211130

License type: Common License

Record date: 20240628

Application publication date: 20191213

Assignee: WENLING DAFA MICROMOTOR Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008328

Denomination of invention: A Wall Cleaning Device for Vertical Drum Washing Machine

Granted publication date: 20211130

License type: Common License

Record date: 20240701

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20191213

Assignee: Zhejiang Changyang Pump Industry Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008640

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Wenling One Plus One Biotechnology Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008636

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Zhejiang Gangyi Aquatic Food Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008635

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Wenling Yabaolong Shoes Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008633

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Wenling Wentai Footwear Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008629

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Taizhou Rongmao Electrical Equipments Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008626

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Wenling Mingda Shoes Factory

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008622

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Taizhou youmaila electromechanical Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008619

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: TAIZHOU OUGANG SHOES Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008616

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

Application publication date: 20191213

Assignee: Wenling Honglai Electric Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980008609

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240702

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20191213

Assignee: Wenling Yuhang Auto Parts Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980009440

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240711

Application publication date: 20191213

Assignee: Wenling Xiaolong Machinery Parts Manufacturing Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980009436

Denomination of invention: A drum wall cleaning device for a vertical drum washing machine

Granted publication date: 20211130

License type: Common License

Record date: 20240711