CN207870853U - A kind of upper and lower spray system of water basin dish-washing machine - Google Patents
A kind of upper and lower spray system of water basin dish-washing machine Download PDFInfo
- Publication number
- CN207870853U CN207870853U CN201720812495.7U CN201720812495U CN207870853U CN 207870853 U CN207870853 U CN 207870853U CN 201720812495 U CN201720812495 U CN 201720812495U CN 207870853 U CN207870853 U CN 207870853U
- Authority
- CN
- China
- Prior art keywords
- water
- door closure
- spray arm
- sink
- washing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
The utility model discloses spray systems above and below a kind of water basin dish-washing machine, including:Sink and door closure, sink and door closure match, and the upper surface of the bottom surface of sink is provided with lower spray arm, and the lower surface of door closure is provided with spray arm;Upper spray arm and lower spray arm face offer several spray apertures on one side, connection is removably secured by buckle structure between upper spray arm and door closure, between lower spray arm and the bottom surface of sink;The utility model, using a two gushing arm structures of pump, is realized and is washed away to the opposite up and down of bowls and chopsticks, be allowed to wash cleaner in water basin dish-washing machine system.
Description
Technical field
The utility model is related to the technical field of water basin dish-washing machine more particularly to a kind of dish-washing machine spray systems.
Background technology
Dish-washing machine is the equipment of the tablewares such as automatic cleaning bowl, chopsticks, disk, dish, knife, fork.At present in automatic washing on the market
Bowl machine can be divided into household and commercial two classes, and domestic full-automatic dish-washing machine is only applicable to family, mainly there is cabinet type, desk-top and sink
Integral type.Commercial dish-washing machine can be divided into box and conveying type two major classes by structure, cook a meal for dining room, hotel, institutional settings dining room
Thing personnel alleviate labor intensity, improve work efficiency, and promote sanitation and hygiene.Sink integral type dish-washing machine in the market is usual
The structure sprayed using side, is easy tod produce dead angle, causes the incomplete cleaning of bowls and chopsticks when washing the dishes.
Utility model content
It is led to the problem of for above-mentioned, the purpose of this utility model is to provide spray to be above and below a kind of water basin dish-washing machine
System.
To achieve the goals above, the technical solution that the utility model is taken is:
A kind of upper and lower spray system of water basin dish-washing machine, wherein including:Sink and door closure, the sink and the door closure phase
Matching, the upper surface of the bottom surface of the sink are provided with lower spray arm, and the lower surface of the door closure is provided with spray arm;It is described
Upper spray arm and the lower spray arm are line-styled or " S " type, and the upper spray arm and the lower spray arm face, institute
State spray arm and the lower spray arm face offer several spray apertures, the upper spray arm and the door closure on one side
Between, between the lower spray arm and the bottom surface of the sink connection is removably secured by buckle structure;The buckle
Structure includes:Fixed seat, the fixed seat are fixedly connected with the bottom surface of the door closure or the sink;Semicircle spins arc buckle, institute
The both sides for stating fixed seat are respectively arranged with a semicircle spinning arc buckle, and the cancave cambered surface that two semicircles spin arcs buckle faces,
The side that each semicircle spins arc buckle offers a buckle fixing groove respectively;Buckle fixator, the buckle fixator set
The outside of arc buckle is spun set on the semicircle, the both sides of the buckle fixator are formed with two clamps, and two clamps are caught in two
The buckle fixing groove;Snatch mouth, the snatch mouth are fixedly connected with upper spray arm or the lower spray arm, the snatch mouth with
The semicircle spins arc buckle and fastens.
Spray system above and below above-mentioned water basin dish-washing machine, wherein further include:Water pump, the water pump are arranged in the sink
Lower section;Water knockout drum, the water knockout drum are arranged in the lower section of sink, and the water inlet of the water knockout drum is connected with the water pump,
First water outlet of the water knockout drum is connected with the lower spray arm;Water-division pipeline, the water-division pipeline are arranged in the water
The outside of slot, the water-division pipeline along the outer wall of the bottom surface of the sink and the sink be laid with, the inner wall of the sink it is upper
Side offers a flume wall water outlet, and one end of the water-division pipeline is connected with the flume wall water outlet, the distributive pipe
The other end on road is connected with the second water outlet of the water knockout drum;Multistage water route converter, multistage water route converter are set
It sets in the inside of the door closure, the side of the door closure offers a door closure water inlet, the door closure water inlet and the sink
Wall water outlet faces, and one end of multistage water route converter is connected with the door closure water inlet, the multistage water route
The other end is connected with the upper spray arm.
Spray system above and below above-mentioned water basin dish-washing machine, wherein multistage water route converter includes the pressure being sequentially communicated
Plate, boss rubber, square hole size conversion device, rubber sleeve and circumference aperture converter, the pressing plate and the door closure water inlet
It is connected, the circumference aperture converter is connected with the upper spray arm.
Spray system above and below above-mentioned water basin dish-washing machine a, wherein four directions is offered on the square hole size conversion device
Hole, the square hole are less than the square hole close to the aperture of the upper spray arm close to the aperture of the door closure water inlet.
Spray system above and below above-mentioned water basin dish-washing machine, wherein a circumference hole is offered on the converter of the circumference aperture,
The circumference hole is rectangle close to the cross section of door closure water inlet side, and the circumference hole is close to the upper spray arm side
Cross section be circle.
Spray system above and below above-mentioned water basin dish-washing machine, wherein a pressing plate groove is offered on the boss rubber, it is described
Pressing plate is arranged in the pressing plate groove, and the depth of the pressing plate groove is more than the thickness of the pressing plate.
Spray system above and below above-mentioned water basin dish-washing machine, wherein the one side of the rubber sleeve offers a size conversion
One end of device groove, the square hole size conversion device is sealingly fixed in the size conversion device groove;The rubber sleeve
Another side offer an aperture converter groove, one end of the circumference aperture converter is sealingly fixed to the aperture
In converter groove.
Spray system above and below above-mentioned water basin dish-washing machine, wherein the boss rubber protrudes from the door closure water inlet, institute
Boss rubber is stated removably to be tightly connected with the flume wall water outlet.
Spray system above and below above-mentioned water basin dish-washing machine, wherein the flume wall water outlet and the door closure water inlet phase
Matching, the flume wall water outlet and the door closure water inlet are rectangle.
As a result of above-mentioned technology, the good effect for being allowed to have compared with prior art is the utility model:
(1) the utility model realizes the phase up and down to bowls and chopsticks using a two gushing arm structures of pump in water basin dish-washing machine system
To washing away, it is allowed to wash cleaner.
(2) the utility model uses a water knockout drum in the water outlet of water pump, by the moisture of water pump ejection at upper and lower two,
Upper lower spraying arm is given to spray water respectively again, upper lower spraying arm water operation can be controlled by fraction water device water-dividing mouth size.
(3) the upper spray arm of the utility model and lower spray arm have rapid plug structure.
Description of the drawings
Fig. 1 is the stereogram of the water basin dish-washing machine of the utility model or more spray system.
Fig. 2 is the sectional view of the water basin dish-washing machine of the utility model or more spray system.
Fig. 3 is the explosive view of the multistage water route converter of the water basin dish-washing machine of the utility model or more spray system.
Fig. 4 is the stereogram of the multistage water route converter of the water basin dish-washing machine of the utility model or more spray system.
The explosive view of spray system above and below the water basin dish-washing machine of Fig. 5 the utility model.
The buckle structure explosive view of spray system above and below the water basin dish-washing machine of Fig. 6 the utility model.
In attached drawing:1, sink;2, door closure;3, lower spray arm;4, upper spray arm;5, water pump;6, water knockout drum;7, distributive pipe
Road;8, multistage water route converter;81, pressing plate;82, boss rubber;83, square hole size conversion device;84, rubber sleeve;85, have an area of
Aperture converter;91, flume wall water outlet;92, door closure water inlet;101, fixed seat;102, semicircle spins arc buckle;2021, block
Detain boss;103, fixator is buckled;1031, clamp;104, snatch mouth;1041, newel;1042, snatch.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
Fig. 1 is the stereogram of the water basin dish-washing machine of the utility model or more spray system, and Fig. 2 is the sink of the utility model
The sectional view of spray system, refers to shown in Fig. 1, Fig. 2, shows a kind of water basin dish-washing machine of preferred embodiment above and below dish-washing machine
Upper and lower spray system includes:Sink 1, door closure 2 and water pump 5, sink 1 and door closure 2 match, the upper surface of the bottom surface of sink 1
It is provided with lower spray arm 3, the lower surface of door closure 2 is provided with spray arm 4.Water pump 5 is arranged in the lower section of sink 1.
In addition, as in preferred embodiment, upper spray arm 3 and lower spray arm 4 are line-styled or " S " type, upper spray
Leaching arm 3 and lower spray arm 4 face, upper spray arm 3 and lower spray arm 4 face offer several spray apertures on one side, on
Connection is removably secured by buckle structure between spray arm 3 and door closure 2, between lower spray arm 4 and the bottom surface of sink 1.
The explosive view of spray system, the sink of Fig. 6 the utility model wash the dishes above and below the water basin dish-washing machine of Fig. 5 the utility model
The buckle structure explosive view of spray system above and below machine, continuing with referring to shown in Fig. 5, Fig. 6.
Further, as in preferred embodiment, buckle structure includes:Fixed seat 101 and semicircle spin arc buckle 102, Gu
Reservation 101 is fixedly connected with the bottom surface of door closure 2 or sink 1.The both sides of fixed seat 101 are respectively arranged with a semicircle and spin arc buckle
102, the cancave cambered surface that two semicircular spins arc buckle 102 faces, and the side that each semicircle spins arc buckle 102 offers a buckle respectively
Fixing groove 1022.
Further, as in preferred embodiment, buckle structure includes:Fixator 103 is buckled, fixator 103 is buckled
It is sheathed on the outside that semicircle spins arc buckle 102, the both sides of buckle fixator 103 are formed with two clamps 1031, two clamps 1031 card
Enter two buckle fixing grooves 1022.
Further, as in preferred embodiment, buckle structure includes:Snatch mouth 104, snatch mouth 104 and upper spray
Arm 3 or lower spray arm 4 are fixedly connected, and snatch mouth 104 spins arc buckle 102 with semicircle and fastens.
In addition, as in preferred embodiment, spray system further includes having to water basin dish-washing machine up and down:Water knockout drum 6, water knockout drum
6 are arranged in the lower section of sink 1, and the water inlet of water knockout drum 6 is connected with water pump 5, the first water outlet of water knockout drum 6 and lower spray arm
3 are connected.
In addition, as in preferred embodiment, spray system further includes having to water basin dish-washing machine up and down:Water-division pipeline 7, divides water
Pipeline 7 is arranged in the outside of sink 1, and water-division pipeline 7 is laid with along the outer wall of the bottom surface of sink 1 and sink 1, the inner wall of sink 1
Upside offers a flume wall water outlet 91, and one end of water-division pipeline 7 is connected with flume wall water outlet 91, water-division pipeline 7
The other end is connected with the second water outlet of water knockout drum 6.
In addition, as in preferred embodiment, spray system further includes having to water basin dish-washing machine up and down:Multistage water route converter
8, multistage water route converter 8 is arranged in the inside of door closure 2, and the side of door closure 2 offers a door closure water inlet 92, door closure water inlet
92 face with flume wall water outlet 91, and one end of multistage water route converter 8 is connected with door closure water inlet 92, multistage water route 8
The other end be connected with upper spray arm 4.
Fig. 3 is the explosive view of the multistage water route converter of the water basin dish-washing machine of the utility model or more spray system, and Fig. 4 is
The stereogram of the multistage water route converter of spray system above and below the water basin dish-washing machine of the utility model, continuing with referring to Fig. 3, Fig. 4
It is shown.
Further, as in preferred embodiment, multistage water route converter 8 includes the pressing plate 81 being sequentially communicated, boss rubber
Glue 82, square hole size conversion device 83, rubber sleeve 84 and circumference aperture converter 85, pressing plate 81 are connected with 2 water inlet of door closure,
Circumference aperture converter 85 is connected with upper spray arm 4.By multistage water route converter 8 (using the shape of multi-level cross section transformation
Formula), circular pipe section is transformed into long narrow water inlet section.
Further, as in preferred embodiment, offering a square hole 831 on square hole size conversion device 83, four
Square hole 831 is less than square hole close to the aperture of upper spray arm 4 close to the aperture of door closure water inlet 92.
Further, as in preferred embodiment, a circumference hole 851 is offered on circumference aperture converter 85, is had an area of
Hole 851 is rectangle close to the cross section of 92 side of door closure water inlet, and circumference hole 851 is close to the cross section of 4 side of upper spray arm
It is round.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the utility model embodiment and
Protection domain.
The utility model also has on the basis of the above is implemented as follows mode:
In the further embodiment of the utility model, continuing with referring to shown in Fig. 1 to Fig. 4, offered on boss rubber 82
One pressing plate groove, pressing plate 81 are arranged in pressing plate groove, and the depth of pressing plate groove is more than the thickness of pressing plate 81.
In the further embodiment of the utility model, the one side of rubber sleeve 84 offers a size conversion device groove, and four
One end of square hole size conversion device 83 is sealingly fixed in size conversion device groove;The another side of rubber sleeve 84 offers one
One end of aperture converter groove, circumference aperture converter 85 is sealingly fixed in the converter groove of aperture.
In the further embodiment of the utility model, boss rubber 82 protrudes from door closure water inlet 92, boss rubber 82 with
Flume wall water outlet 91 is removably tightly connected.Flume wall water outlet 91 and door closure water inlet 92 are realized by boss rubber 82
Between sealing, when the lid of door closure 2 closes on sink 1, flume wall water outlet 91 and door closure water inlet 92 dock, and are formed complete
Inlet pipeline.By the form of two mouthfuls of sealing docking, instead of the form of an original piping connection so that door closure 2 and sink 1
It can not be limited by pipeline and freely be separated.
In the further embodiment of the utility model, flume wall water outlet 91 matches with door closure water inlet 92, flume wall
Water outlet 91 and door closure water inlet 92 are rectangle.
In the further embodiment of the utility model, continuing with referring to shown in Fig. 3, Fig. 4, pressing plate 81, boss rubber 82, four
It is fixedly connected by two bolts of left and right settings between square hole size conversion device 83, rubber sleeve 84 and circumference aperture converter 85.
In the further embodiment of the utility model, continuing with shown in Figure 6, fixed seat 101 is loop configuration, fixed
Seat 101 is connected with multistage water route converter 8, and flow enters upper spray arm 3 by the inside of fixed seat 101, on realizing
The water supply of spray arm 3.
In the further embodiment of the utility model, semicircle spins arc buckle 102 as semicircle laminated structure, and semicircle spins arc card
The radius of button 102 is more than the radius of fixed seat 101, and it is convex that its outer rim of the upper end edge of semicircle spinning arc buckle 102 is formed with a buckle
Platform 1021, the middle part that semicircle spins arc buckle 102 vertically offer buckle fixing groove 1022.
In the further embodiment of the utility model, buckle fixator 103 is cyclic structure, buckles the half of fixator 103
Diameter is more than the radius that semicircle spins arc buckle 102, and the both sides of buckle fixator 103 respectively offer a buckle fixator groove, buckle
Two clamps 1031 are equipped in fixator groove, two clamps 1031 are connect with buckle 103 integral type of fixator, when buckle fixator
103 be set in two halves circle spin arc buckle 102 outside when, two clamps 1031 are respectively clamped into two buckle fixing grooves 1022.
In the further embodiment of the utility model, snatch mouth 104 is including a newel 1041 and surrounds newel 1041
Several snatches 1042, it is preferred to use three snatches 1042.Wherein, newel 1041 is cyclic structure, the outer diameter of newel 1041
Less than the internal diameter of fixed seat 101, newel 1041 can be inserted into the inside of fixed seat 101, and is connected to fixed seat 101, realize
It supplies water.Three snatches 1042 fasten with buckle boss 1021, realize quickly fixed and fast quick-detach.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the utility model embodiment and
Protection domain should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (9)
1. spray system above and below a kind of water basin dish-washing machine, which is characterized in that including:
Sink and door closure, the sink and the door closure match, and the upper surface of the bottom surface of the sink is provided with lower spray arm,
The lower surface of the door closure is provided with spray arm;
The upper spray arm and the lower spray arm are line-styled or " S " type, the upper spray arm and the lower spray arm
Face, the upper spray arm and the lower spray arm face offer several spray apertures, the upper spray arm on one side
Company is removably secured by buckle structure between the door closure, between the lower spray arm and the bottom surface of the sink
It connects;
The buckle structure includes:
Fixed seat, the fixed seat are fixedly connected with the bottom surface of the door closure or the sink;
Semicircle spins arc buckle, and the both sides of the fixed seat are respectively arranged with a semicircle and spin arc buckle, and two semicircles spin arc
The cancave cambered surface of buckle faces, and the side that each semicircle spins arc buckle offers a buckle fixing groove respectively;
Fixator is buckled, the buckle fixator is sheathed on the outside that the semicircle spins arc buckle, described to buckle the two of fixator
Side is formed with two clamps, and two clamps are caught in the two buckle fixing grooves;
Snatch mouth, the snatch mouth are fixedly connected with upper spray arm or the lower spray arm, and the snatch mouth is spun with the semicircle
Arc buckle fastens.
2. spray system above and below water basin dish-washing machine according to claim 1, which is characterized in that further include:
Water pump, the water pump are arranged in the lower section of the sink;
Water knockout drum, the water knockout drum are arranged in the lower section of sink, and the water inlet of the water knockout drum is connected with the water pump, described
First water outlet of water knockout drum is connected with the lower spray arm;
Water-division pipeline, the water-division pipeline are arranged in the outside of the sink, the water-division pipeline along the bottom surface of the sink and
The outer wall of the sink is laid with, and offers a flume wall water outlet on the upside of the inner wall of the sink, and the one of the water-division pipeline
End is connected with the flume wall water outlet, and the other end of the water-division pipeline is connected with the second water outlet of the water knockout drum
It is logical;
Multistage water route converter, multistage water route converter are arranged in the inside of the door closure, and the side of the door closure opens up
There are a door closure water inlet, the door closure water inlet to be faced with the flume wall water outlet, the one of multistage water route converter
End is connected with the door closure water inlet, and the other end in the multistage water route is connected with the upper spray arm.
3. spray system above and below water basin dish-washing machine according to claim 2, which is characterized in that multistage water route converter
Including pressing plate, boss rubber, square hole size conversion device, rubber sleeve and the circumference aperture converter being sequentially communicated, the pressing plate
It is connected with the door closure water inlet, the circumference aperture converter is connected with the upper spray arm.
4. spray system above and below water basin dish-washing machine according to claim 3, which is characterized in that the square hole size conversion
Offer a square hole on device, the square hole is less than the square hole on described close to the aperture of the door closure water inlet
The aperture of spray arm.
5. spray system above and below water basin dish-washing machine according to claim 4, which is characterized in that circumference aperture converter
On offer a circumference hole, the circumference hole is rectangle close to the cross section of door closure water inlet side, and the circumference hole is leaned on
The cross section of the nearly upper spray arm side is circle.
6. spray system above and below water basin dish-washing machine according to claim 5, which is characterized in that opened up on the boss rubber
There are a pressing plate groove, the pressing plate to be arranged in the pressing plate groove, the depth of the pressing plate groove is more than the thickness of the pressing plate
Degree.
7. spray system above and below water basin dish-washing machine according to claim 6, which is characterized in that the one side of the rubber sleeve
Offer a size conversion device groove, it is recessed that one end of the square hole size conversion device is sealingly fixed to the size conversion device
In slot;The another side of the rubber sleeve offers an aperture converter groove, one end sealing of the circumference aperture converter
Ground is fixed in the aperture converter groove.
8. spray system above and below water basin dish-washing machine according to claim 7, which is characterized in that the boss rubber protrudes from
The door closure water inlet, the boss rubber are removably tightly connected with the flume wall water outlet.
9. water basin dish-washing machine according to claim 8 up and down spray system, which is characterized in that the flume wall water outlet with
The door closure water inlet matches, and the flume wall water outlet and the door closure water inlet are rectangle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720812495.7U CN207870853U (en) | 2017-07-06 | 2017-07-06 | A kind of upper and lower spray system of water basin dish-washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720812495.7U CN207870853U (en) | 2017-07-06 | 2017-07-06 | A kind of upper and lower spray system of water basin dish-washing machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207870853U true CN207870853U (en) | 2018-09-18 |
Family
ID=63500067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720812495.7U Active CN207870853U (en) | 2017-07-06 | 2017-07-06 | A kind of upper and lower spray system of water basin dish-washing machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207870853U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107115082A (en) * | 2017-07-06 | 2017-09-01 | 上海奥源电器有限公司 | Spray system above and below a kind of water basin dish-washing machine |
-
2017
- 2017-07-06 CN CN201720812495.7U patent/CN207870853U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107115082A (en) * | 2017-07-06 | 2017-09-01 | 上海奥源电器有限公司 | Spray system above and below a kind of water basin dish-washing machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107137046A (en) | A kind of integrated bottom water basin dish-washing machine | |
CN107137035A (en) | A kind of integral type water basin dish-washing machine | |
CN107115082A (en) | Spray system above and below a kind of water basin dish-washing machine | |
US20090194993A1 (en) | Converter that converts multiple faucets into one faucet | |
WO2013092537A3 (en) | Dispensing arrangement for a household appliance for the care of laundry items and household appliance for the care of laundry items | |
CN207870853U (en) | A kind of upper and lower spray system of water basin dish-washing machine | |
US8251094B2 (en) | Water tap | |
CN203335938U (en) | Multifunctional faucet with water distributor | |
CN207870851U (en) | The connectionless loading water structure of spray arm on a kind of water basin dish-washing machine | |
CN206102522U (en) | Five grades of showers of dividing | |
CN108843587A (en) | Heat pump and dish-washing machine for dish-washing machine | |
CN208749587U (en) | Heat pump and dish-washing machine for dish-washing machine | |
CN204542004U (en) | A kind of dish-washing machine top spray assemblies and dish-washing machine | |
CN206052886U (en) | A kind of upper sealing downspout device for tank | |
ITBG20080007U1 (en) | SINK | |
CN207590634U (en) | A kind of dish washer with multi-faceted spray function | |
US20150335207A1 (en) | Soap dispenser | |
CN206612644U (en) | Material cleaning device and cooking apparatus | |
CN209235724U (en) | Support ring assemblies and the cooking apparatus including it | |
CN209235757U (en) | Support ring assemblies, decoration and the cooking apparatus including it | |
CN109394111B (en) | Cleaning machine | |
CN208844678U (en) | A kind of convertible sink | |
CN208138514U (en) | A kind of two function water segregators | |
CN204931606U (en) | The drainage system of commercial dish-washing machine | |
CN108937539A (en) | Support ring assemblies and the cooking apparatus including it |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190116 Address after: Gu Jiazhai 99, Unity Team of Hongqiao Village, Chuansha New Town, Pudong New District, Shanghai, 200120 Patentee after: Shanghai Jian Dong Science and Technology Ltd. Address before: 202 156 No. 58 Xinxuan Road, Xinhe Town, Chongming County, Shanghai Co-patentee before: Xiao Jiugao Patentee before: Shanghai Austrian Source Electrical Appliance Co., Ltd. |