CN206700116U - A kind of round brush component and clean robot - Google Patents
A kind of round brush component and clean robot Download PDFInfo
- Publication number
- CN206700116U CN206700116U CN201621103629.XU CN201621103629U CN206700116U CN 206700116 U CN206700116 U CN 206700116U CN 201621103629 U CN201621103629 U CN 201621103629U CN 206700116 U CN206700116 U CN 206700116U
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- round brush
- rotary shaft
- free end
- brush component
- machine body
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Abstract
The application discloses a kind of round brush component and clean robot, and round brush component includes rotary shaft and the round brush being sleeved on the outside of rotary shaft；One end of rotary shaft is the fixing end of connection motor, and the other end is free end；Axial limit structure is provided between round brush and the free end of rotary shaft, axial limit structure is used to limit axial movement of the round brush along rotary shaft, and axial limit structure is Detachable connection structure；Clean robot includes machine body and round brush component, and one end of round brush component is connected by the fixing end of rotary shaft with machine body, and the other end of round brush component extends to the edge of machine body, or extends to the outside of machine body；The application is related to cleaning applications, and the defects of effectively can overcoming in the prior art using the application, round brush component can realize that a step removes and installs, simple and convenient, can significantly lift Consumer's Experience；Sweeper body need not be overturn during dismounting, the risk for avoiding body outer surface from being damaged, while improve operating efficiency.
Description
Technical field
The application is related to cleaning applications, especially a kind of round brush component and clean robot.
Background technology
In the prior art, existing sweeping robot, hereinafter referred to as sweeper, round brush are its main cleanings on the market
Part, typically with that can stick ash after a period of time, even damaged to clear up or change, it is necessary to regularly schedule, this just needs
User oneself completes dismounting, so whether the dismounting of round brush is facilitated just into an important part for sweeper usage experience.
At present, the common roller brushes structure of in the market, it is fixed in mounting seat；Cover plate is arranged on the outside of round brush, and is passed through
Buckle links together with mounting seat.When needing to safeguard round brush, user need to turn sweeper, then cover plate is opened,
Finally take out round brush to be cleared up or changed, operating efficiency is relatively low, and the experience of whole disassembly process is also to be hoisted.
Utility model content
The technical problem that the application solves is to provide a kind of round brush component and clean robot, can effectively overcome existing skill
Defect present in art, round brush component can realize that a step removes and installs, simple and convenient, can significantly lift Consumer's Experience；Tear open
Sweeper body need not be overturn when unloading, the risk for avoiding body outer surface from being damaged, while improve operating efficiency.
In order to solve the above technical problems, this application provides a kind of round brush component, including rotary shaft and it is sleeved on rotation
Round brush on the outside of axle；One end of the rotary shaft is the fixing end of connection motor, and the other end is free end；The round brush with it is described
Axial limit structure is provided between the free end of rotary shaft, the axial limit structure is used to limit axial direction of the round brush along rotary shaft
Mobile, the axial limit structure is Detachable connection structure.
Further, above-mentioned round brush component can also have following features,
Radial direction position limiting structure is additionally provided between the free end of the round brush and the rotary shaft, the radial direction position limiting structure is used
Rotation in the limitation round brush relative to the rotary shaft.
Further, above-mentioned round brush component can also have following features,
The axial limit structure includes magnetic assembly, the magnetic assembly be divided into the rotary shaft free end and
With on the end face of the round brush of the free end corresponding position of the rotary shaft, the magnetic assembly is by magnetic attraction by the rolling
Brush is fixed in the rotary shaft.
Further, above-mentioned round brush component can also have following features,
The round brush is internally provided with elastic inner ring, and the rotary shaft is provided with the multi-diameter shaft for accommodating elastic inner ring
Section, the elastic inner ring form the axial limit structure with ladder shaft part.
Further, above-mentioned round brush component can also have following features,
Screwed hole is provided with the end face of the free end of the rotary shaft, the free end corresponding position of the rotary shaft
Through hole is provided with the end face of round brush, the screw is through the through hole and is tightened in the screwed hole；The screw and rolling
The axial limit structure is connected and composed between brush, rotary shaft.
Further, above-mentioned round brush component can also have following features,
The free end of the rotary shaft is provided with flat position, is set inside the round brush of the free end corresponding position of the rotary shaft
The cell body or slotted eye for accommodating flat position are equipped with, the flat position is set to be inserted into the cell body or slotted eye；The flat position and institute
State cell body or slotted eye forms the radial direction position limiting structure.
Further, above-mentioned round brush component can also have following features,
The aperture of the through hole is less than the head of a nail diameter of the screw.
Further, above-mentioned round brush component can also have following features,
Pad is provided between the screw and the round brush, the external diameter of the pad is more than the aperture of through hole.
Accordingly, present invention also provides a kind of clean robot, including machine body and described round brush component, institute
The one end for stating round brush component is connected by the fixing end of rotary shaft with machine body, and the other end of the round brush component extends to institute
The edge of machine body is stated, or extends to the outside of the machine body.
Further, above-mentioned clean robot can also have following features,
Rotary shaft in the round brush component is connected by bearing block with machine body.
The application above-mentioned technical proposal has the advantages that：
The above-mentioned round brush component that the application provides, passes through the above-mentioned axial direction being arranged between round brush and the free end of rotary shaft
Position limiting structure, axial movement of the round brush along rotary shaft can be limited, round brush in the course of work can be avoided to depart from rotary shaft；It can lead to
The above-mentioned radial direction position limiting structure being arranged between round brush and the free end of rotary shaft is crossed, round brush can be limited relative to rotary shaft
Rotate, the phenomenon that rotary shaft turns, round brush does not turn in the course of work can be avoided, can ensure that round brush is in company with rotation in the course of work
Axle together rotates；Above-mentioned axial limit structure and radial direction position limiting structure are arranged between round brush and the free end of rotary shaft, when
When needing to carry out the cleaning or replacement operation of round brush, the round brush end for connecting rotary shaft free end need to only be extracted out, you can a step
The disassembly and installation operation of round brush is realized, significantly lifts Consumer's Experience.
Further, the axial direction between round brush and rotary shaft can be realized by the axial limit structure including magnetic structure
It is connected, it, which has, very easily dismounts technique effect；Can be by including the axial limiting knot of flat position and cell body or slotted eye
Structure, it can ensure that round brush together rotates in company with rotary shaft in the rotary course of rotary shaft；Can be by including elastic inner ring and ladder
The axial limit structure of shaft part, realize that the axial direction between round brush and rotary shaft is connected, only need to use the tension set of its own
Realize that elastic inner ring detaches ladder shaft part, it has simple and convenient operating effect；The axial limiting including screw can be passed through
Structure, realizes the axial restraint connection between round brush and rotary shaft, and above-mentioned connection can effectively ensure that the company of round brush and rotary shaft
Connect stability.
The above-mentioned clean robot that the application provides, can realize the convenient disassembling operations of round brush, can be by extending to machine
The edge of device body or the draw out operation of the round brush component end in outside, you can realize the smooth taking-up operation of round brush；On meanwhile
Disassembling operations are stated without machine body is overturn, can effectively avoid the outer surface of machine body from being damaged, Consumer's Experience is good.
Other features and advantage will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the utility model embodiment.The purpose of the application and other advantages can by
Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical scheme, and a part for constitution instruction, with this
The embodiment of application is used for the technical scheme for explaining the application together, does not form the limitation to technical scheme.
Fig. 1 is the structural representation one of the utility model embodiment；
Fig. 2 is the structural representation two of the utility model embodiment；
Fig. 3 is the structural representation three of the utility model embodiment；
Fig. 4 is the structural representation one of the utility model embodiment one；
Fig. 5 is the structural representation two of the utility model embodiment one；
Fig. 6 is the structural representation of the utility model embodiment two；
Fig. 7 is the structural representation of the utility model embodiment three.
Embodiment
Embodiments herein is described in detail below in conjunction with accompanying drawing.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one：
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the utility model embodiment one provides a kind of round brush component, including
Rotary shaft 3, the round brush 41 for being sleeved on the outside of rotary shaft 3；One end of rotary shaft 3 is the fixing end of connection motor, and the other end is certainly
By holding；Axial limit structure is provided between the free end of round brush 41 and rotary shaft 3, axial limit structure is used to limit the edge of round brush 41
The axial movement of rotary shaft 3, axial limit structure are Detachable connection structure.
In concrete operations, pass through the above-mentioned axial limit structure being arranged between the free end of round brush 41 and rotary shaft 3, energy
Axial movement of the round brush 41 along rotary shaft 3 is enough limited, round brush 41 in the course of work can be avoided to depart from rotary shaft 3, can be effective
Improve round brush 41 and the connective stability of rotary shaft 3 in axial direction；Further, the axle of above-mentioned Detachable connection structure is passed through
To position limiting structure, the convenient dismounting operation of round brush 41 can be realized；When needing to safeguard round brush 41, user need not be by sweeper
Body is overturn, and effectively body outer surface can be avoided to be damaged, and user need to only take above-mentioned axis position limiting structure apart, behaviour
It is convenient to make, and Consumer's Experience is good；In addition, above-mentioned round brush component 4 is in specific implementation process, can by the fixing end of rotary shaft 3 with
The bearing block 2 of machine body 1 connects, to realize power from motor to the transmission between rotary shaft 3.
Preferably, in order to further improving the connective stability between round brush 41 and rotary shaft 3；The utility model has
During gymnastics is made, radial direction position limiting structure is additionally provided between above-mentioned round brush 41 and the free end of rotary shaft 3, radial direction position limiting structure is used to limit
Round brush 41 processed relative to rotary shaft 3 rotation.
In concrete operations, pass through the above-mentioned radial direction position limiting structure being arranged between the free end of round brush 41 and rotary shaft 3, energy
Round brush 41 is enough limited relative to the rotation of rotary shaft 3, the phenomenon that 3 turns of rotary shaft, round brush 41 do not turn in the course of work can be avoided,
It can ensure that round brush 41 together rotates in company with rotary shaft 3 in the course of work, can further improve between round brush 41 and rotary shaft 3
Connective stability.
Preferably, in embodiment one provided by the utility model, above-mentioned axial limit structure includes magnetic assembly 42, magnetic
Component be divided into rotary shaft 3 free end and with the end face of the round brush 41 of the free end corresponding position of rotary shaft 3, magnetic
Round brush 41 is fixed in rotary shaft 3 by component by magnetic attraction.
In concrete operations, round brush component 4 includes the round brush 41 for playing cleaning effect and the magnetic for playing axial restraint effect
Iron, the material of round brush 41 is soft materials structure, such as silica gel, rubber, bristle；The magnet of magnetic assembly and round brush 41 can be consolidated
It is scheduled on together, the material of the free end of rotary shaft 3 is accordingly arranged to ferromagnetic material (such as iron etc.), you can to pass through ferromagnetism
Material is fixed by attraction, and then realizes that the axial direction between round brush 41 and rotary shaft 3 is connected.Above-mentioned magnetic assembly has
Very easily dismount technique effect.In addition, it is necessary to explanation, above-mentioned magnet, the position of ferromagnetic material can exchange, together
Two magnet of the attracting setting of heteropole, or other similar structures also can be selected in sample.
Preferably, in embodiment one provided by the utility model, the free end of above-mentioned rotary shaft 3 is provided with flat position 31, rotation
The round brush 41 of the free end corresponding position of rotating shaft 3 is internally provided with cell body or slotted eye for accommodating flat position 31, and flat position 31 is set
To be inserted into cell body or slotted eye；Flat position 31 forms radial direction position limiting structure with cell body or slotted eye.
In concrete operations, by referring to the groove with bottom on above-mentioned cell body ordinary meaning, refer to bottom on slotted eye ordinary meaning
For the groove of through hole；It is non-circular based on flat position 31 by the way that flat position 31 is inserted into cell body or slotted eye for accommodating flat position 31
Structure, radial direction position limiting structure is may make up between above-mentioned flat position 31 and cell body or slotted eye, i.e., in the rotary course of rotary shaft 3, is passed through
Flat position 31 and the cooperation of cell body or slotted eye, can ensure that round brush 41 together rotates in company with rotary shaft 3.
Based on above-mentioned axial limit structure and radial direction position limiting structure be arranged at round brush 41 and rotary shaft 3 free end it
Between, when needing to carry out the cleaning or replacement operation of round brush 41, the end of round brush 41 for connecting the free end of rotary shaft 3 need to only be taken out
Go out, you can while realize the disassembling section of axial limit structure and radial direction position limiting structure, you can a step realizes the dismounting of round brush 41
And installation operation, it is simple and convenient, significantly lift Consumer's Experience；Meanwhile above-mentioned axial limit structure and radial direction position limiting structure
Set simultaneously, can effectively ensure that being fixedly connected between round brush 41 and rotary shaft 3.
Embodiment two：
Difference between embodiment two and embodiment one is：Axial limit structure is different.
With reference to shown in Fig. 6, in the utility model embodiment two, above-mentioned round brush 41 is internally provided with elastic inner ring 411, rotation
Rotating shaft 3 is provided with the ladder shaft part 32 for accommodating elastic inner ring 411, and elastic inner ring 411 forms axial limit with ladder shaft part 32
Bit architecture.
In concrete operations, rotary shaft 3 is connected with bearing block 2, and radial direction position limiting structure is identical with embodiment one, including flat position
31；The material of above-mentioned round brush 41 is soft materials structure, such as silica gel, rubber, bristle；Meanwhile above-mentioned elastic inner ring 411 also has
There is preferable elasticity.When needing to carry out the cleaning or replacement operation of round brush 41, only bullet need to be realized with the tension set of its own
Property inner ring 411 detaches ladder shaft part 32, you can round brush 41 is completed into disassembling section；When need install round brush 41 when, only need by
Round brush 41 is pushed into rotary shaft 3 and elastic inner ring 411 is caught in into ladder shaft part 32, and aforesaid operations are simple and convenient, Consumer's Experience
It is good.
Embodiment three：
Difference between embodiment three and embodiment one is：Axial limit structure is different.
With reference to shown in Fig. 7, screwed hole 33 is provided with the end face of the free end of rotary shaft 3, the free end of rotary shaft 3 is corresponding
Through hole is provided with the end face of the round brush 41 of opening position, screw 5 is through through hole and is tightened in screwed hole 33；Screw 5 and round brush
41st, axial limit structure is connected and composed between rotary shaft 3.
In concrete operations, rotary shaft 3 is connected with bearing block 2, and radial direction position limiting structure is identical with embodiment one, including flat position
31；It is tightened in after running through above-mentioned through hole by above-mentioned screw 5 on the free end of rotary shaft 3, you can realize round brush 41 and rotary shaft
Axial restraint connection between 3.Meanwhile the aperture of above-mentioned through hole is less than the head of a nail diameter of screw 5, or screw 5 and round brush 41
Between be provided with pad, the external diameter of pad is more than the aperture of through hole.By above-mentioned optimal design-aside, effectively can avoid in the course of work
The through hole of round brush 41 skids off the outside of screw 5, can effectively ensure that the connective stability of round brush 41 and rotary shaft 3.
With reference to shown in Fig. 1, Fig. 2, Fig. 3, the utility model additionally provides a kind of clean robot, can include machine body
1 and above-mentioned round brush component 4, one end of round brush component 4 be connected by the fixing end of rotary shaft 3 with machine body 1, round brush component
4 other end extends to the edge of machine body 1, or extends to the outside of machine body 1.
In concrete operations, the rotary shaft 3 in above-mentioned round brush component 4 is connected by bearing block 2 with machine body 1, you can real
Existing power is from motor to the transmission between rotary shaft 3；Using the clean robot for having above-mentioned round brush component 4, round brush can be realized
41 convenient disassembling operations；By extending to the draw out operation at the edge of machine body 1 or the end of round brush component 4 in outside, i.e.,
The smooth taking-up operation of round brush 41 can be achieved；Meanwhile above-mentioned disassembling operations can be avoided effectively without machine body 1 is overturn
The outer surface of machine body 1 is damaged, simple operation, and Consumer's Experience is good.
The above-mentioned round brush component that the application provides, passes through the above-mentioned axial direction being arranged between round brush and the free end of rotary shaft
Position limiting structure, axial movement of the round brush along rotary shaft can be limited, round brush in the course of work can be avoided to depart from rotary shaft；It can lead to
The above-mentioned radial direction position limiting structure being arranged between round brush and the free end of rotary shaft is crossed, round brush can be limited relative to rotary shaft
Rotate, the phenomenon that rotary shaft turns, round brush does not turn in the course of work can be avoided, can ensure that round brush is in company with rotation in the course of work
Axle together rotates；Above-mentioned axial limit structure and radial direction position limiting structure are arranged between round brush and the free end of rotary shaft, when
When needing to carry out the cleaning or replacement operation of round brush, the round brush end for connecting rotary shaft free end need to only be extracted out, you can a step
The disassembly and installation operation of round brush is realized, significantly lifts Consumer's Experience.
Further, the axial direction between round brush and rotary shaft can be realized by the axial limit structure including magnetic structure
It is connected, it, which has, very easily dismounts technique effect；Can be by including the axial limiting knot of flat position and cell body or slotted eye
Structure, it can ensure that round brush together rotates in company with rotary shaft in the rotary course of rotary shaft；Can be by including elastic inner ring and ladder
The axial limit structure of shaft part, realize that the axial direction between round brush and rotary shaft is connected, only need to use the tension set of its own
Realize that elastic inner ring detaches ladder shaft part, it has simple and convenient operating effect；The axial limiting including screw can be passed through
Structure, realizes the axial restraint connection between round brush and rotary shaft, and above-mentioned connection can effectively ensure that the company of round brush and rotary shaft
Connect stability.
The above-mentioned clean robot that the application provides, can realize the convenient disassembling operations of round brush, can be by extending to machine
The edge of device body or the draw out operation of the round brush component end in outside, you can realize the smooth taking-up operation of round brush；On meanwhile
Disassembling operations are stated without machine body is overturn, can effectively avoid the outer surface of machine body from being damaged, Consumer's Experience is good.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. all should be interpreted broadly, example
Such as, " connection " can be fixedly connected or be detachably connected, or be integrally connected；Can be joined directly together, can also
It is indirectly connected by intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the application
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the utility model embodiment as above,
Described content is only the embodiment for readily appreciating the utility model embodiment and using, and is not limited to the utility model
Embodiment.Technical staff in any the utility model embodiment art, is taken off not departing from the utility model embodiment
On the premise of the spirit and scope of dew, any modification and change, but this practicality can be carried out in the form and details of implementation
The scope of patent protection of new embodiment, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of round brush component, including rotary shaft and the round brush that is sleeved on the outside of rotary shaft；One end of the rotary shaft is company
The fixing end of motor is connect, the other end is free end；Characterized in that, it is provided between the free end of the round brush and the rotary shaft
Axial limit structure, the axial limit structure are used to limit axial movement of the round brush along rotary shaft, the axial limit structure
For Detachable connection structure.
2. round brush component according to claim 1, it is characterised in that
Radial direction position limiting structure is additionally provided between the free end of the round brush and the rotary shaft, the radial direction position limiting structure is used to limit
Make rotation of the round brush relative to the rotary shaft.
3. round brush component according to claim 1, it is characterised in that
The axial limit structure includes magnetic assembly, the magnetic assembly be divided into the rotary shaft free end and with institute
On the end face for stating the round brush of the free end corresponding position of rotary shaft, the magnetic assembly is consolidated the round brush by magnetic attraction
Due in the rotary shaft.
4. round brush component according to claim 1, it is characterised in that
The round brush is internally provided with elastic inner ring, and the rotary shaft is provided with the ladder shaft part for accommodating elastic inner ring,
The elastic inner ring forms the axial limit structure with ladder shaft part.
5. round brush component according to claim 1, it is characterised in that
Screwed hole, the round brush of the free end corresponding position of the rotary shaft are provided with the end face of the free end of the rotary shaft
End face on be provided with through hole, screw is through the through hole and is tightened in the screwed hole；The screw and round brush, rotary shaft
Between connect and compose the axial limit structure.
6. round brush component according to claim 2, it is characterised in that
The free end of the rotary shaft is provided with flat position, and the round brush of the free end corresponding position of the rotary shaft is internally provided with
For accommodating the cell body or slotted eye of flat position, the flat position is set to be inserted into the cell body or slotted eye；The flat position and the groove
Body or slotted eye form the radial direction position limiting structure.
7. round brush component according to claim 5, it is characterised in that
The aperture of the through hole is less than the head of a nail diameter of the screw.
8. round brush component according to claim 5, it is characterised in that
Pad is provided between the screw and the round brush, the external diameter of the pad is more than the aperture of through hole.
9. a kind of clean robot, including machine body, it is characterised in that also including any described rolling in claim 1-8
Brush assemblies, one end of the round brush component are connected by the fixing end of rotary shaft with machine body, the round brush component it is another
End extends to the edge of the machine body, or extends to the outside of the machine body.
10. clean robot according to claim 9, it is characterised in that
Rotary shaft in the round brush component is connected by bearing block with machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103629.XU CN206700116U (en) | 2016-10-04 | 2016-10-04 | A kind of round brush component and clean robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103629.XU CN206700116U (en) | 2016-10-04 | 2016-10-04 | A kind of round brush component and clean robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206700116U true CN206700116U (en) | 2017-12-05 |
Family
ID=60471222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621103629.XU Active CN206700116U (en) | 2016-10-04 | 2016-10-04 | A kind of round brush component and clean robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206700116U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108185929A (en) * | 2017-12-28 | 2018-06-22 | 江苏美的清洁电器股份有限公司 | Round brush and cleaning equipment |
| CN112914420A (en) * | 2019-12-05 | 2021-06-08 | 深圳市银星智能科技股份有限公司 | Floor sweeping robot |
| CN113633230A (en) * | 2021-08-12 | 2021-11-12 | 北京顺造科技有限公司 | Cleaning device, surface cleaning equipment and surface cleaning system |
-
2016
- 2016-10-04 CN CN201621103629.XU patent/CN206700116U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108185929A (en) * | 2017-12-28 | 2018-06-22 | 江苏美的清洁电器股份有限公司 | Round brush and cleaning equipment |
| CN108185929B (en) * | 2017-12-28 | 2024-04-12 | 美智纵横科技有限责任公司 | Rolling brush and cleaning equipment |
| CN112914420A (en) * | 2019-12-05 | 2021-06-08 | 深圳市银星智能科技股份有限公司 | Floor sweeping robot |
| CN113633230A (en) * | 2021-08-12 | 2021-11-12 | 北京顺造科技有限公司 | Cleaning device, surface cleaning equipment and surface cleaning system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230531 Address after: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Shandong Jiuchuang Home Appliance Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
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| TR01 | Transfer of patent right |