CN206266877U - Rotary drum washing machine - Google Patents
Rotary drum washing machine Download PDFInfo
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- CN206266877U CN206266877U CN201621157641.9U CN201621157641U CN206266877U CN 206266877 U CN206266877 U CN 206266877U CN 201621157641 U CN201621157641 U CN 201621157641U CN 206266877 U CN206266877 U CN 206266877U
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- discharge pipe
- pipe line
- washing machine
- check valve
- rotary drum
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Abstract
The utility model discloses a kind of rotary drum washing machine, including, steel ladle；Draining pump, one end of the draining pump connects the bottom of the steel ladle；Discharge pipe line, one end of the discharge pipe line connects the draining pump, and a part for the discharge pipe line extends to the highest setting water level for being not less than the steel ladle；Check valve, the check valve is located at the top of discharge pipe line, and the check valve is used for air-flow and unidirectionally enters the discharge pipe line.According to the rotary drum washing machine of the utility model embodiment, efficiently avoid siphonage caused by discharge pipe line inside and outside differential pressure, it is to avoid occur washing machine cannot normal work or the problem wasted water, improve the stability of washing machine work, and energy-conserving and environment-protective.
Description
Technical field
The utility model is related to field of household appliances, more particularly to a kind of rotary drum washing machine.
Background technology
Impeller or stirring type fully-automatic washing machine in correlation technique, mainly have upper draining (to force by its drainage pattern point
Draining) and two kinds of lower draining (gravity drainage).After preventing water intake valve of washing machine or water level detecting and control component failure
The more than water for causing of water inlet, electricity aspect potential safety hazard, are typically fitted with " overflow pipe ", so as to protect on the steel ladle of washing machine
During card water intake valve of washing machine or water level detecting and controlling component failure, the water energy of spilling is from a comparatively safe passage (spilling water
Pipe) flow away.For lower draining (gravity drainage) washing machine, the outlet of its overflow pipe is connected to the delivery port side of water discharging valve, normally
In the case of occur spilling water when water energy flowed away along drainpipe automatically, but lower drain washing machine requirement drainpipe delivery port be less than wash
Clothing machine, will not just remain filthy water in washing machine pipeline minimum point.For upper draining (forced drainage) washing machine, to keep during washing
Inner bucket water position, the peak position of its discharge pipe line needs the setting peak level higher than washing machine, and drainpipe delivery port
Position is of a relatively high, and the water that overflow pipe overflows can not flow away from drainpipe, in the area (such as Latin American) using upper draining, on
The overflow pipe of drain washing machine is to avoid electrical part, in spilling water caused by there are abnormal conditions, allows water flow passage washing machine
Bottom, can flood user family floor, bring other problems.
Utility model content
The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality
It is to propose a kind of rotary drum washing machine with a new purpose, the rotary drum washing machine can be effectively prevented from discharge pipe line
Siphonage.
According to the rotary drum washing machine of the utility model embodiment, including steel ladle；Draining pump, one end of the draining pump connects
Connect the bottom of the steel ladle；Discharge pipe line, one end of the discharge pipe line connects the draining pump, the one of the discharge pipe line
Extend partially into the highest setting water level for being not less than the steel ladle；Check valve, the check valve is located at the top of discharge pipe line,
The check valve is used for air-flow and unidirectionally enters the discharge pipe line.
According to the rotary drum washing machine of the utility model embodiment, rainbow caused by discharge pipe line inside and outside differential pressure is efficiently avoid
Suction phenomenon, it is to avoid occur washing machine cannot normal work or the problem wasted water, improve the stability of washing machine work, and save
Can environmental protection.
In addition, according to the rotary drum washing machine of the utility model above-described embodiment, can also have following additional technology special
Levy：
In some embodiments of the present utility model, the check valve be located at the outside on the discharge pipe line top and with institute
Discharge pipe line connection is stated, and the check valve is when the air pressure of the discharge pipe line is less than predetermined ratio with the ratio of external pressure
Open, and the predetermined ratio is less than 1.
Further, the predetermined ratio is not more than 0.8.
In some embodiments of the present utility model, it is high that the highest setting water level of the steel ladle is not less than the steel ladle
3/4ths of degree.
In some embodiments of the present utility model, the end of the discharge pipe line is not higher than the draining pump.
In some embodiments of the present utility model, the draining pump is not higher than the bottom of the steel ladle.
In some embodiments of the present utility model, at least a portion of the discharge pipe line extends the U that to form that Open Side Down
Shape pipeline section, the check valve is located at the blind end of the U-tube section.
In some embodiments of the present utility model, the discharge pipe line is vertically extending, and the discharge pipe line
Lower end connect the draining pump and upper end is adapted to scupper hose.
In some embodiments of the present utility model, the check valve is arranged at the top of the discharge pipe line upper end.
In some embodiments of the present utility model, the check valve is located at the outside at the top of the discharge pipe line and divides
The interior or exterior space connection of not described discharge pipe line, is provided with valve element in the check valve, the valve element is in first position and second
Be may move between putting, and the valve element closes the inner passage of the check valve at first position, the valve element is in second
The inner passage conducting of check valve when putting, wherein, the air pressure outside the air pressure inside of the discharge pipe line and the drainpipe
The valve element is located at the second place, and the air pressure inside of the discharge pipe line and the drainpipe when ratio is less than predetermined value
The valve element is located at the first position when outer air pressure ratio is more than predetermined value, and the predetermined value is not more than 0.9.
Brief description of the drawings
Fig. 1 is the schematic diagram of the rotary drum washing machine of the utility model one embodiment.
Fig. 2 is the partial schematic diagram of rotary drum washing machine described in Fig. 1.
Reference：Rotary drum washing machine 100, steel ladle 1, draining pump 2, discharge pipe line 3, check valve 4, the first pipeline section 31,
Second pipeline section 32, scupper hose 33.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the utility model, and it is not intended that to limit of the present utility model
System.
Common impeller or stirring type fully-automatic washing machine now, its drainage pattern mainly have upper draining (forced drainage) and
Lower two kinds of draining (gravity drainage).For upper draining (forced drainage) washing machine, its discharge pipe line it is general by installed in bucket bottom or
The pump of washing machine bottom, one section of connection extends upwardly to the drainpipe composition that height exceedes washing machine highest setting water level, washing
When, because the delivery port of drainpipe is higher, bucket washed water can be maintained in bucket；It is by the effect of pump, inner bucket water is strong during draining
System discharge.
Because steel ladle delivery port is less than bucket bottom, when drainpipe is submerged in water, one section of air can be lived in pipeline interior sealing,
Now continue draining or water inlet, in-pipe flow flowing because of the effect of external and internal pressure difference, can form negative pressure in pipeline, produce " rainbow
Inhale " phenomenon, occur while washing machine is intake while draining, causes washing machine cisco unity malfunction, and waste water.
The utility model installs one additional for adjusting the unidirectional of discharge pipe line air pressure inside by the top of discharge pipe line
Valve, simple and reliable solves the problems, such as washing machine drainage " siphon ".
Describe the rotary drum washing machine 100 of the utility model embodiment in detail with reference to the accompanying drawings.
Such as Fig. 1 and Fig. 2, the rotary drum washing machine 100 according to the utility model embodiment, including：Steel ladle 1, draining pump 2,
Discharge pipe line 3 and check valve 4.Wherein, in the laundry processes of rotary drum washing machine 100, water is stored in steel ladle 1, once clear
After the completion of washing, the water in steel ladle 1 can be discharged by draining pump 2 and discharge pipe line 3.
Specifically, one end of draining pump 2 connects the bottom of steel ladle 1, to facilitate the water in discharge steel ladle 1.Draining
One end connection draining pump 2 of pipeline 3, discharge pipe line 3 is used to guide current, discharges the water in steel ladle 1.Discharge pipe line 3
A part extend to the highest setting water level for being not less than steel ladle 1.Check valve 4 is located at the top of discharge pipe line 3, check valve 4
Unidirectionally enter discharge pipe line 3 for air-flow.Air-flow inside and outside discharge pipe line 3 can be connected by check valve 4, and check valve 4
It is outer to one-way flow in discharge pipe line 3 from discharge pipe line 3, it is possible to achieve the equilibrium of the inner and outer air pressure of discharge pipe line 3.
Rotary drum washing machine 100 according to the utility model embodiment, efficiently avoid the inside and outside differential pressure of discharge pipe line 3 causes
Siphonage, it is to avoid occur washing machine cannot normal work or the problem wasted water, improve the stability of washing machine work,
And energy-conserving and environment-protective.
Such as Fig. 1, in some embodiments of the present utility model, check valve 4 be located at the outside on the top of discharge pipe line 3 and with row
Water lines 3 are connected, and check valve 4 is opened when the air pressure of discharge pipe line 3 is less than predetermined ratio with the ratio of external pressure, and in advance
Ratio is determined less than 1.That is, the air pressure that the air pressure in discharge pipe line 3 is less than in external pressure, and discharge pipe line 3 is small
When external pressure predetermined value, check valve 4 is opened, be the inside and outside conducting of discharge pipe line 3 so that the air pressure in discharge pipe line 3
Raise.
Alternatively, it is also possible to predetermined ratio is set into 1, that is to say, that as long as the air pressure in discharge pipe line 3 is less than extraneous gas
Pressure, turns on check valve 4, can so cause that the inner and outer air pressure of discharge pipe line 3 is consistent all the time, and further reduction siphon shows
It is existing, there is provided the stability of washing machine.
Preferably, predetermined ratio is not more than 0.8.Certainly, according to actual set in predetermined value, the purpose is to the row of causing
Air pressure in water lines 3 remains at the phenomenon for being insufficient to allow in discharge pipe line 3 and producing siphon, for different regions, difference
Fear, the different size of discharge pipe line 3, it is sufficient to the ratio of air pressure and ambient pressure when producing siphonage in discharge pipe line 3
Be it is different, predetermined value will be changed according to actual service condition.
In addition, it is sufficient to produce the draught head of siphon to be referred to prior art, a purpose of the present utility model is to keep away
Draught head as the inside and outside generation of drainage-free pipeline 3.
In some embodiments of the present utility model, the highest setting water level of steel ladle 1 is not less than the four of the height of steel ladle 1
/ tri-.So that enough water can be accommodated in steel ladle 1, and water is avoided to overflow.
Furthermore, it is preferred that the highest point of discharge pipe line 3 is arranged at into the shape equal with the highest setting water level of steel ladle 1
Formula, so that can not only play a part of draining, but also can be when the water level in steel ladle 1 is too high, by discharge pipe line 3
Water is discharged, with the situation for avoiding the water level in washing machine too high.
Such as Fig. 1, in some embodiments of the present utility model, the end of discharge pipe line 3 is not higher than draining pump 2.Convenient row
Water connects external water route.
Such as Fig. 1, the bottom of the not higher than steel ladle 1 of draining pump 2.The water in steel ladle 1 is facilitated all to be discharged by draining pump 2.
Such as Fig. 1, in some embodiments of the present utility model, discharge pipe line 3 includes the first vertically extending pipe
The pipeline section 32 of section 31 and second, the lower end of the first pipeline section 31 is connected with draining pump 2 and upper end extends to the highest for being not less than steel ladle 1
Designated water level, the upper end of the second pipeline section 32 is connected with the upper end of the first pipeline section 31.By setting the first pipeline section 31 and the second pipeline section
32 so that the simple structure of discharge pipe line 3, and facilitate the connection of discharge pipe line 3 and draining pump 2, improve the production effect of washing machine
Rate.
In addition, the first pipeline section 31 and the second pipeline section 32 in the application can be arranged in steel ladle 1 or steel ladle 1
Outward, as a kind of embodiment, the first pipeline section 31 can be arranged in steel ladle 1 (such as on the inwall of steel ladle 1), or will
First pipeline section 31 is set to be formed on the perisporium of steel ladle 1；Second pipeline section 32 is preferably disposed on outside steel ladle 1, or second
Steel ladle 1 is stretched out in the lower end of pipeline section 32, so as to facilitate external water pipe.
For further, the lower end of the second pipeline section 32 is not higher than draining pump 2.So as to facilitate draining.
Such as Fig. 1, check valve 4 is arranged at the junction of the upper end of the first pipeline section 31 and the upper end of the second pipeline section 32.Can have
Avoid siphonage to effect.
It is of course also possible to check valve 4 to be arranged at the other positions of discharge pipe line 3, but it is disposed on the first pipeline section 31
The check valve 4 of the junction of the upper end of upper end and the second pipeline section 32 can be effectively prevented from siphonage, but also can avoid
Leak after the failure of check valve 4.
As Fig. 2, the lower end of the second pipeline section 32 are connected with scupper hose 33, the lower end of the pipeline section 32 of scupper hose 33 and second can
Releasably it is connected, and scupper hose 33 is configured to telescopic corrugated tube shape.By scupper hose 33, can be by discharge pipe line
3 extend to drainer, so that convenient use and draining.
Advantageously, the first pipeline section 31 and the second pipeline section 32 are welded to connect or are integrally formed.So as to avoid leak.
Such as Fig. 1, in other embodiments of the present utility model, at least a portion of discharge pipe line 3 extends to form opening
Downward U-tube section, check valve 4 is located at the blind end of U-tube section.Wherein, an openend of U section can connect draining pump 2,
And another openend of U section is used as water side, and the closed section of U section should be disposed above the setting water of steel ladle 1
Position.
In other embodiments of the present utility model, discharge pipe line 3 is vertically extending, and under discharge pipe line 3
End connects draining pump 2 and upper end is adapted to scupper hose 33.Reduces cost.
Further, check valve 4 is arranged at the top of the upper end of discharge pipe line 3.Check valve 4 is arranged at discharge pipe line 3
Top, can efficiently reduce or avoid siphonage, improve the stability of washing machine, and using water wisely, energy-conserving and environment-protective.
In some embodiments of the present utility model, check valve 4 is located at the outside at the top of discharge pipe line 3 and draining respectively
The interior or exterior space connection of pipeline 3, valve element is provided with check valve 4, and valve element may move between the first position and the second position, and valve
The inner passage of core closed check valve 4 at first position, the inner passage conducting of valve element check valve 4 in the second place, its
In, valve element is located at the second place, and draining when the air pressure ratio outside the air pressure inside and drainpipe of discharge pipe line 3 is less than predetermined value
Valve element is located at first position when air pressure ratio outside the air pressure inside and drainpipe of pipeline 3 is more than predetermined value, and predetermined value is not more than
0.9。
The water inlet end of draining pump 2 is connected with the bottom of steel ladle 1, and the one end of discharge pipe line 3 is connected with the water side of draining pump 2, and to
On extend to height exceed washing machine highest setting water level position, then turn down, present inverse u shape, in discharge pipe line 3
Top installs a check valve 4 for adjusting the air pressure inside of discharge pipe line 3 additional.
The utility model installs one additional for adjusting the inside gas of discharge pipe line 3 by the top of discharge pipe line 3 (U-shaped place)
The check valve 4 of pressure, when the certain negative pressure of interior formation is managed in drainage procedure, negative pressure opens one-way cock, and air enters pipe
It is interior, drainpipe inside and outside air pressure is balanced, so as to be prevented effectively from the generation of " siphon " phenomenon, it is ensured that washing machine normal work and section
About use water.And the check valve unidirectional characteristic that passes through in itself, it is ensured that during proper drainage, water will not be leaked from the air admission hole of check valve
Go out.
The a certain position of discharge pipe line 3 install additional for balance drainpipe external and internal pressure difference check valve or with similar functions
Pressure-regulating device, make discharge pipe line inside and outside air pressure adjustment convergence and balance during washing machine use, so as to effectively keep away
Exempt from the generation of " siphon " phenomenon, it is ensured that washing machine normal work and using water wisely；The check valve or the pressure with similar functions are adjusted
Regulating device, with unidirectionally by characteristic, air can enter the inside from pipeline outside, but water in pipeline will not be from air admission hole stream
To pipeline outside.
There is the discharge pipe line of spilling water function and drain function simultaneously；The a certain position of discharge pipe line is set with adjustment pipe
The check valve of road inner and outer air pressure difference or other there is the pressure-regulating device of similar functions.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be
Mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or two interaction relationships of element, unless otherwise clearly restriction.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of rotary drum washing machine, it is characterised in that including：
Steel ladle；
Draining pump, one end of the draining pump connects the bottom of the steel ladle；
Discharge pipe line, one end of the discharge pipe line connects the draining pump, and the part of the discharge pipe line extends to not low
In the highest setting water level of the steel ladle；
Check valve, the check valve is located at the top of discharge pipe line, and the check valve is used for air-flow and unidirectionally enters the drainpipe
Road.
2. rotary drum washing machine according to claim 1, it is characterised in that the check valve is located at the discharge pipe line top
Outside and connected with the discharge pipe line, and the check valve is small in the air pressure of the discharge pipe line and the ratio of external pressure
Opened when predetermined ratio, and the predetermined ratio is less than 1.
3. rotary drum washing machine according to claim 2, it is characterised in that the predetermined ratio is not more than 0.8.
4. rotary drum washing machine according to claim 1, it is characterised in that the highest setting water level of the steel ladle is not less than
3/4ths of the steel ladle height.
5. rotary drum washing machine according to claim 1, it is characterised in that the end of the discharge pipe line is not higher than the row
Water pump.
6. rotary drum washing machine according to claim 1, it is characterised in that the draining pump is not higher than the bottom of the steel ladle
Portion.
7. the rotary drum washing machine according to any one of claim 1-6, it is characterised in that at least the one of the discharge pipe line
Part extends the U-tube section for forming that Open Side Down, and the check valve is located at the blind end of the U-tube section.
8. the rotary drum washing machine according to any one of claim 1-6, it is characterised in that the discharge pipe line vertically side
The draining pump is connected to the lower end of extension, and the discharge pipe line and upper end is adapted to scupper hose.
9. rotary drum washing machine according to claim 8, it is characterised in that the check valve is arranged on the discharge pipe line
The top at end.
10. the rotary drum washing machine according to any one of claim 1-6, it is characterised in that the check valve is located at described
The interior or exterior space connection of the outside at the top of discharge pipe line and the respectively discharge pipe line, is provided with valve element, institute in the check valve
Valve element is stated to may move between the first position and the second position, and the valve element is closed in the check valve at first position
Portion's passage, the inner passage conducting of valve element check valve in the second place, wherein, the inside gas of the discharge pipe line
Valve element when being less than predetermined value with the air pressure ratio outside the drainpipe is pressed to be located at the second place, and the discharge pipe line
Air pressure inside and the drainpipe outside air pressure ratio when being more than predetermined value the valve element be located at the first position, it is described pre-
Definite value is not more than 0.9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157641.9U CN206266877U (en) | 2016-10-31 | 2016-10-31 | Rotary drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157641.9U CN206266877U (en) | 2016-10-31 | 2016-10-31 | Rotary drum washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206266877U true CN206266877U (en) | 2017-06-20 |
Family
ID=59037671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621157641.9U Active CN206266877U (en) | 2016-10-31 | 2016-10-31 | Rotary drum washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206266877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381645A (en) * | 2016-10-31 | 2017-02-08 | 无锡小天鹅股份有限公司 | Pulsator washing machine |
| CN109208271A (en) * | 2017-07-07 | 2019-01-15 | 青岛海尔洗衣机有限公司 | A kind of draining pump and the washing machine using it |
| CN109468795A (en) * | 2017-09-08 | 2019-03-15 | 青岛海尔洗衣机有限公司 | A kind of washing machine drainage control method and washing machine |
-
2016
- 2016-10-31 CN CN201621157641.9U patent/CN206266877U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381645A (en) * | 2016-10-31 | 2017-02-08 | 无锡小天鹅股份有限公司 | Pulsator washing machine |
| CN109208271A (en) * | 2017-07-07 | 2019-01-15 | 青岛海尔洗衣机有限公司 | A kind of draining pump and the washing machine using it |
| CN109208271B (en) * | 2017-07-07 | 2023-12-12 | 天津海尔洗涤电器有限公司 | Draining pump and washing machine using same |
| CN109468795A (en) * | 2017-09-08 | 2019-03-15 | 青岛海尔洗衣机有限公司 | A kind of washing machine drainage control method and washing machine |
| CN109468795B (en) * | 2017-09-08 | 2021-08-17 | 青岛胶南海尔洗衣机有限公司 | Washing machine drainage control method and washing machine |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190809 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |