CN207068138U - A kind of proportioning device for liquid automatic vending equipment - Google Patents
A kind of proportioning device for liquid automatic vending equipment Download PDFInfo
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- CN207068138U CN207068138U CN201720707796.3U CN201720707796U CN207068138U CN 207068138 U CN207068138 U CN 207068138U CN 201720707796 U CN201720707796 U CN 201720707796U CN 207068138 U CN207068138 U CN 207068138U
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- 239000007788 liquid Substances 0.000 title claims abstract description 105
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 235000013361 beverage Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Abstract
The utility model discloses a kind of proportioning device for liquid automatic vending equipment, including drawing liquid mechanism and quantitative chamber, the quantitative chamber is provided with feed tube and drain pipe, is provided with feed liquor check valve in feed tube, liquid check valve is provided with out in drain pipe；Quantitative intracavitary is provided with the piston being connected with drawing liquid mechanism；The drawing liquid mechanism includes motor, movable part, push rod and drive shaft, and described movable part one end is connected by push rod with piston, and the other end passes through drive shaft and motor connection；The motor is connected with the control circuit of automatic vending equipment, and drives movable part to make axial displacement along drive shaft according to control instruction, and band piston is in quantitative intracavitary displacement movement；Feed liquor check valve and go out liquid check valve, coordinate with the direction of motion of piston, mutual open or close, quantitatively export liquid storage.Proportioning device of the present utility model, liquid outlet quantity effectively can be accurately controlled, reduce space-consuming, allow automatic vending equipment to supply a variety of different liquid commodities, meet customer demand.
Description
Technical field
Automatic vending apparatus field is the utility model is related to, refers in particular to a kind of quantitative dress for liquid automatic vending equipment
Put.
Background technology
In daily life, conventional automatic vending equipment, particularly liquid commodity sell equipment, such as automatic vending drink
The equipment of material, client selects the beverage needed on machine, and after payment affirmation, equipment will export corresponding according to the selection of client
Beverage, it is not necessary to arrangement sells salesman to carry out human hand operation, saves human cost, reduces space-consuming, be effectively reduced through
Cost is sought, thus increasingly is liked using by major beverage businessman.
Liquid automatic vending equipment on the market at present, including two kinds of forms, one kind are for packaged liquid business
Product, such as bottled or canned beverage, client pay after, will the shipment in a manner of bottled or be canned, allow client directly to extract；It is another
Kind is sold with bulk form, such as common beverage machine, and dixie cup is placed on into delivery outlet, according to the selection and operation of client, sold
To sell equipment will directly export a certain amount of beverage, and this is quantitatively generally nonadjustable fixed amount, or is weighed with the size of cup
Output quantity.Therefore, for the liquid automatic vending equipment of bulk outlets, release in the prior art can be adjusted quantitative defeated
Go out to set, the cylinder body of multiple not co-contents is set in automatic vending equipment, and by the way that the cylinder body of not co-content is emptied, is realized
Corresponding quantitative liquid-discharging effect.
But because there is provided the cylinder body of multiple not co-contents so that automatic vending device interior space-consuming is big, it is difficult to real
The quantitative output of a variety of variety classes liquid commodities of an existing equipment is set, and causes automatic vending equipment complete machine structure complicated,
Bulky, space-consuming is big, and is unfavorable for internal pipeline layout, and then adds production and processing and maintenance cost, unfavorable
In follow-up operation maintenance operation.
Utility model content
The utility model purpose is to provide a kind of novel quantitative device for liquid automatic vending equipment, structure letter
Single, control is accurate, effectively can accurately control liquid outlet quantity, and on the premise of quantitative liquid-discharging is met, reduces space-consuming, allows certainly
It is dynamic to sell the liquid commodity that equipment can configure a variety of different styles, meet the different demands of customer.
Provide in order to achieve the above object, the technical solution of the utility model：
A kind of proportioning device for liquid automatic vending equipment, including drawing liquid mechanism and quantitative chamber, the quantitative chamber are set
There are feed tube and drain pipe, be provided with feed liquor check valve in the feed tube, liquid check valve is provided with out in the drain pipe；It is described fixed
Amount intracavitary is additionally provided with the piston being connected with drawing liquid mechanism；The drawing liquid mechanism includes motor, movable part, push rod and drive shaft,
Described movable part one end is connected by push rod with piston, and the other end passes through drive shaft and motor connection；The motor and automatic selling
The control circuit connection of equipment is sold, and drives movable part to make axial displacement along drive shaft according to control instruction, band piston is fixed
Measure intracavitary displacement movement；When piston moves up, the feed liquor check valve is opened, it is described go out liquid check valve be in closed state；Work as work
Plug is when pushing, the feed liquor check valve closure, it is described go out liquid check valve in opened condition；Also include being used to limit the movable part
The guide frame of movement locus.
A kind of proportioning device for liquid automatic vending equipment of the present utility model, compared with prior art, is provided with
Drawing liquid mechanism and quantitative chamber, the quantitative chamber set liquid storage into and out of liquid pipe, is provided with feed liquor check valve, institute in the feed tube
State and liquid check valve is provided with out in drain pipe；Quantitative intracavitary is provided with the piston being connected with drawing liquid mechanism；The drawing liquid mechanism includes electricity
Machine, drive shaft, movable part and push rod, movable part one end are connected by push rod with piston, and the other end passes through drive shaft and motor
Connection, and make axial displacement under the driving of motor, push-and-pull push rod so that piston is in quantitative intracavitary displacement movement；The feed liquor
Pipe, with going out liquid check valve, coordinates, mutually linkage with the feed liquor check valve in drain pipe with the direction of motion of piston；When piston moves up
When, the feed liquor check valve is opened, it is described go out liquid check valve be in closed state, allow liquid storage to be drawn into quantitative intracavitary from feed tube；
When piston pushes, feed liquor check valve closure, it is described go out liquid check valve in opened condition, allow the storage for being drawn into quantitative intracavitary
Liquid, discharged from drain pipe, so as to realize that the quantitative liquid-discharging of liquid storage operates.
Wherein, the motor is connected with the control circuit of automatic vending equipment, the purchase volume that can be inputted according to user, conversion
For control instruction, drive motor to operate, drive movable part upper and lower displacement so that piston is in quantitative intracavitary, by liquid storage from feed tube
Accordingly quantitative liquid storage is pumped into, and is extruded from drain pipe, so as to effectively be precisely controlled the output quantity of liquid storage.
In actual use, the quantitative chamber need not set huge liquid storage space according to maximum output, in reality
, can be according to the purchase volume of user in the application of border, control circuit controls the drawing liquid mechanism to carry out multiple drawing liquid and discharge opeing operation, from
And reach corresponding output quantity, the same device of prior art is efficiently solved, the cylinder body of multiple not co-contents need to be set, is caused
Space-consuming is excessive and the problem of output quantity is not accurate.Proportioning device of the present utility model, in automatic vending equipment, it is only necessary to
Set one group of device just to control the output of a liquid storage, therefore, it is different that more moneys can be set in same automatic vending equipment
The liquid commodity of species, maximumlly to utilize the space of automatic vending equipment, plurality of liquid commodity are sold, meet different visitors
The demand at family, make automatic vending equipment more practical.
Further, the feed tube and drain pipe are located at the bottom of quantitative chamber, the unfolding mode of the feed liquor check valve
Set to be opened from feed tube to quantitative intracavitary；It is described go out liquid check valve unfolding mode be from quantitative chamber to drain pipe mouth of pipe side
Set to opening.Allow pistons work when, liquid storage will be pumped into quantitative chamber from feed tube, and extrude liquid storage to drain pipe, so as to realize
Unidirectional liquid outlet channel, efficiently control the output operation of liquid storage.
The guide frame is improved further, the guide frame is the guide assembly being connected with drawing liquid mechanism,
The guide assembly includes the fixed block at sliding block, polished rod and the polished rod both ends being connected with movable part, and the sliding block is provided with logical
Hole, and be socketed by through hole and polished rod so that track of the movable part along polished rod is axially moved, to control movable part with linear rails
Mark carries out displacement, pushes or lifts piston, effectively extract and extrude liquid storage, realizes the quantitative output to liquid storage.
On the basis of the above, the guide assembly is provided with two groups, and is connected to movable part both sides by the sliding block,
To be balanced connection to movable part from both sides, make the displacement movement of movable part more steady, effectively strengthen movable part push-and-pull
Or the intensity lifted, it is accurate to control piston to take out press operation.
Further the overall structure of the proportioning device is made improvements, the proportioning device both ends also include what balance was set
First fixed part and the second fixed part, first fixed part are used to fix the quantitative chamber, are provided with second fixed part
The motor, reinforcement fixation is carried out to proportioning device from both ends, further enhance fixed effect, improve the steady of proportioning device running
It is qualitative.
On the basis of the above, another improvement project is made to the guide frame, the guide frame is to be connected to first
Polished rod between fixed part and the second fixed part, the movable part is provided with perforation, and is socketed by the perforation with polished rod, allows
Movable part firmly along the polished rod, makees displacement movement between the first fixed part and the second fixed part, and band piston is carried out
Take out press operation.
Carry out the third improvement project to the guide frame, the guide frame include the sliding block that is connected with movable part with
And polished rod, the polished rod are located between the first fixed part and the second fixed part；The sliding block is provided with through hole, and by through hole with
Polished rod is socketed.The movable part is allowed to make displacement between the first fixed part and the second fixed part along polished rod by connection sliding block
Motion, smoothly take out press operation with piston.
Further, the guide frame is provided with two groups, and is connected to the movable part both sides, to allow movable part
Support is balanced, strengthens the amount of liquid storage of connection hardness, and the dynamics for driving piston to take out pressure, accurate control suction or extrusion.
Further the structure of the drawing liquid mechanism is made improvements, the drive shaft is screw mandrel, be provided with the movable part with
The axle sleeve that screw mandrel coordinates；When motor works, the screw mandrel is motor driven rotation, drives movable part to make axial position along screw mandrel
Move.The one kind of the screw mandrel as screw rod, because the pitch of screw mandrel is smaller, therefore the helical pitch of screw mandrel or pitch are than general screw rod
It is big, therefore using screw mandrel as the axle sleeve cooperation in drive shaft, with movable part, under the driving of motor, allow the position of movable part
Pan position is more accurate, so as to effectively drive piston to extract or extrude accordingly quantitative liquid storage, improves and extracts the accurate of amount of liquid storage
Degree.
On the basis of the above, the motor is stepper motor, and drives screw mandrel to make forward or reverse behaviour according to control instruction
Make so that movable part is made to come and go displacement movement on screw mandrel, further strengthens taking out the press operation degree of accuracy to piston, improves and extract
And the accurate effect of extrusion liquid storage.
Brief description of the drawings
Fig. 1 is a kind of proportioning device structural representation for liquid automatic vending equipment of the utility model；
Fig. 2 is the guide frame another embodiment structural representation of the utility model proportioning device；
Fig. 3 is the third embodiment structural representation of the guide frame of the utility model proportioning device.
Embodiment
A kind of proportioning device for liquid automatic vending equipment of the present utility model is described with reference to the drawings.
As shown in figure 1, the proportioning device, including drawing liquid mechanism 1 and quantitative chamber 2, the quantitative chamber 2 are provided with the He of feed tube 21
Drain pipe 22, feed tube 21 are connected with the liquid storage container of automatic vending equipment, and feed liquor check valve 210 is provided with feed tube 21；Institute
The liquid outlet that drain pipe 22 is stated with automatic vending equipment is connected, and liquid check valve 220 is provided with out in drain pipe 22；The quantitative chamber 2
It is interior provided with the piston 23 being connected with drawing liquid mechanism 1.
The drawing liquid mechanism 1 includes motor 11, movable part 12, push rod 13 and drive shaft 14, described one end of movable part 12
It is connected by push rod 13 with piston 23, the other end is connected by drive shaft 14 with motor 11；The motor 11 is set with automatic vending
Standby control circuit connection, and drive movable part 12 to make axial displacement along drive shaft 14 according to control instruction, band piston 23 exists
The quantitative intrinsic displacement of chamber 2 motion；
The feed liquor check valve 210 and go out liquid check valve 220, coordinate with the direction of motion of piston 23；When piston 23 moves up
When, the feed liquor check valve 210 is opened, it is described go out liquid check valve 220 be in closed state；When piston 23 pushes, the feed liquor
Check valve 210 closes, it is described go out liquid check valve 220 in opened condition, the liquid storage being drawn into quantitative chamber 2 is allowed, from drain pipe 22
Discharge, so as to realize that the quantitative liquid-discharging of liquid storage operates.
Preferably, the feed tube 21 and drain pipe 22 are located at the bottom of quantitative chamber 2, and the feed liquor check valve 210 is beaten
Evolution formula is to open setting into quantitative chamber 2 from feed tube 21；It is described go out liquid check valve 220 unfolding mode be from quantitative chamber 2
Open and set to the mouth of pipe direction of drain pipe 22.When allowing the piston 23 to work, liquid storage will be pumped into quantitative chamber 2 from feed tube 21, and to going out
Liquid pipe 22 extrudes liquid storage, so as to realize unidirectional liquid outlet channel, efficiently controls the output operation of liquid storage.
In actual applications, the quantitative chamber 2 need not set huge liquid storage space according to maximum output, can root
According to the purchase volume of user, control circuit controls the drawing liquid mechanism 1 to carry out multiple drawing liquid and discharge opeing operation, corresponding so as to reach
Output quantity, the same device of prior art is efficiently solved, the cylinder body of multiple not co-contents need to be set, cause space-consuming excessive
And output quantity it is not accurate the problem of.
In addition, proportioning device of the present utility model, can set multigroup proportioning device in identical automatic vending equipment
It is connected with multiple liquid storage containers, allows each liquid storage container to contain different types of liquid commodity, so as to realize in same automatic vending
There is provided the different types of liquid commodity of more moneys in equipment to sell, maximumlly to utilize the space of automatic vending equipment, sale
Plurality of liquid commodity, meet the needs of different clients.
In order to control the movement locus of the movable part 12, the proportioning device also includes being used to limit the movable part 12
The guide frame of movement locus.The utility model provides the embodiment of following several guide frames：
As shown in figure 1, the first embodiment：
The guide frame is the guide assembly being connected with drawing liquid mechanism 1, and the guide assembly includes connecting with movable part 12
The fixed block 33 at the sliding block 31, polished rod 32 and the both ends of polished rod 32 that connect, the sliding block 31 is provided with through hole, and passes through through hole and light
Bar 32 is socketed so that track of the movable part 12 along polished rod 32 is axially moved, to control movable part 12 to enter line position with linear track
Move, push or lift piston 23, so as to effectively realize the quantitative control to liquid storage.
On the basis of the above, the guide assembly is provided with two groups, and is connected to movable part 12 by the sliding block 31
Both sides, to be balanced connection to movable part 12 from both sides, make the displacement movement of movable part 12 more steady, effectively enhancing is lived
The push-and-pull of moving part 12 or the intensity lifted are accurate to control piston 23 to take out press operation.
As shown in Fig. 2 second of embodiment of the guide frame：
The proportioning device both ends also include the first fixed part 41 and the second fixed part 42 that balance is set, and described first is solid
Determine portion 41 to be used to fix the quantitative chamber 2, be provided with the motor 11 in second fixed part 42, proportioning device is entered from both ends
Row is strengthened fixing, and strengthens fixed effect, improves the stability of proportioning device running.
The guide frame is the polished rod 32 being connected between the first fixed part 41 and the second fixed part 42, the movable part
12 are provided with perforation, and are socketed by the perforation with polished rod 32, allow movable part 12 firmly along the polished rod 32, first
Make displacement movement between the fixed part 42 of fixed part 41 and second, band piston 23 carries out taking out press operation.
As shown in figure 3, the third embodiment of the guide frame：
The guide frame includes the sliding block 31 and polished rod 32 being connected with movable part 12, and the polished rod 32 is solid located at first
Determine between the fixed part 42 of portion 41 and second；The sliding block 31 is provided with through hole, and is socketed by through hole and polished rod 32.Allow the work
Moving part 12 is made displacement movement between the first fixed part 41 and the second fixed part 42 along polished rod 32, put down by connection sliding block 31
Quietly band piston 23 takes out press operation.
Preferably, the guide frame of above-mentioned second and third kind of embodiment is provided with two groups, and is connected to the movable part
12 both sides, to allow movable part 12 to be balanced support, strengthen connection hardness, and drive piston 23 to take out pressure, and then accurate control
Suction or the amount of liquid storage of extrusion.
The structure of the drawing liquid mechanism 1 is made to optimize, as shown in figure 1, the drive shaft 14 is screw mandrel, the movable part 12
It is interior to be provided with the axle sleeve 15 coordinated with screw mandrel；When motor 11 works, the screw mandrel drives rotation by motor 11, drives movable part 12
Make axial displacement along screw mandrel.The screw mandrel is one kind of screw rod, and because the pitch of screw mandrel is smaller, therefore the helical pitch of screw mandrel or
Pitch is bigger than general screw rod, therefore is coordinated using screw mandrel as the axle sleeve in drive shaft 14, with movable part 12, in motor 11
Under driving, make the displaced position of movable part 12 more accurate, so as to effectively drive piston 23 to extract or extrude accordingly quantitative storage
Liquid, improve the precision for extracting amount of liquid storage.
Wherein, the motor 11 is preferably stepper motor, and drives screw mandrel to make forward or reverse operation according to control instruction,
So that movable part 12 is made to come and go displacement movement on screw mandrel, and then strengthens taking out the press operation degree of accuracy to piston 23, improve and extract
And the accurate effect of extrusion liquid storage.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying is changed and changed.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model.In addition, to the greatest extent
Some specific terms have been used in pipe this specification, but these terms are merely for convenience of description, not to the utility model
Form any restrictions.
Claims (10)
1. a kind of proportioning device for liquid automatic vending equipment, including drawing liquid mechanism and quantitative chamber, it is characterised in that described
Quantitative chamber is provided with feed tube and drain pipe, is provided with feed liquor check valve in the feed tube, it is unidirectional to be provided with out liquid in the drain pipe
Valve, the quantitative intracavitary are additionally provided with the piston being connected with drawing liquid mechanism；The drawing liquid mechanism include motor, movable part, push rod with
And drive shaft, described movable part one end are connected by push rod with piston, the other end passes through drive shaft and motor connection；The motor
It is connected with the control circuit of automatic vending equipment, and drives movable part to make axial displacement along drive shaft according to control instruction, is driven
Piston is in quantitative intracavitary displacement movement；When piston moves up, the feed liquor check valve is opened, it is described go out liquid check valve be in closed
State；When piston pushes, feed liquor check valve closure, it is described go out liquid check valve in opened condition；Also include being used to limit institute
State the guide frame of movable part movement locus.
2. proportioning device according to claim 1, it is characterised in that the feed tube and drain pipe are located at the bottom of quantitative chamber
Portion, the unfolding mode of the feed liquor check valve are to open to set from feed tube to quantitative intracavitary；It is described go out liquid check valve opening
Mode is to open to set from quantitative chamber to drain pipe mouth of pipe direction.
3. proportioning device according to claim 1, it is characterised in that the guide frame is to be led with what drawing liquid mechanism was connected
Rail assembly, the guide assembly include the fixed block at sliding block, polished rod and polished rod both ends being connected with movable part, on the sliding block
It is socketed provided with through hole, and by through hole and polished rod so that track of the movable part along polished rod is axially moved.
4. proportioning device according to claim 3, it is characterised in that the guide assembly is provided with two groups, and by described
Sliding block is connected to movable part both sides.
5. proportioning device according to claim 1, it is characterised in that the proportioning device both ends also include what balance was set
First fixed part and the second fixed part, first fixed part are used to fix the quantitative chamber, are provided with second fixed part
The motor.
6. proportioning device according to claim 5, it is characterised in that the guide frame for be connected to the first fixed part with
Polished rod between second fixed part, the movable part is provided with perforation, and is socketed by the perforation with polished rod.
7. proportioning device according to claim 5, it is characterised in that the guide frame includes the cunning being connected with movable part
Block and polished rod, the polished rod are located between the first fixed part and the second fixed part；The sliding block is provided with through hole, and by logical
Hole is socketed with polished rod.
8. the proportioning device according to claim 6 or 7, it is characterised in that the guide frame is provided with two groups, and connects respectively
It is connected to the movable part both sides.
9. proportioning device according to claim 1, it is characterised in that the drive shaft is screw mandrel, is set in the movable part
There is the axle sleeve coordinated with screw mandrel；When motor works, the screw mandrel is motor driven rotation, drives movable part to be made axially along screw mandrel
Displacement.
10. proportioning device according to claim 9, it is characterised in that the motor is stepper motor, and is referred to according to control
Order drives screw mandrel to make forward or reverse operation so that movable part is made to come and go displacement movement on screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707796.3U CN207068138U (en) | 2017-06-16 | 2017-06-16 | A kind of proportioning device for liquid automatic vending equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707796.3U CN207068138U (en) | 2017-06-16 | 2017-06-16 | A kind of proportioning device for liquid automatic vending equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068138U true CN207068138U (en) | 2018-03-02 |
Family
ID=61509016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720707796.3U Active CN207068138U (en) | 2017-06-16 | 2017-06-16 | A kind of proportioning device for liquid automatic vending equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854150A (en) * | 2018-08-31 | 2018-11-23 | 合肥名华教育科技有限公司 | A kind of plant ingredient extraction equipment |
| CN109855912A (en) * | 2019-01-21 | 2019-06-07 | 湖北省阿克瑞德检验检测有限公司 | A kind of quantitative testing device and detection method of heavy metal ion |
-
2017
- 2017-06-16 CN CN201720707796.3U patent/CN207068138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854150A (en) * | 2018-08-31 | 2018-11-23 | 合肥名华教育科技有限公司 | A kind of plant ingredient extraction equipment |
| CN109855912A (en) * | 2019-01-21 | 2019-06-07 | 湖北省阿克瑞德检验检测有限公司 | A kind of quantitative testing device and detection method of heavy metal ion |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210325 Address after: 408, building 4, Cuiyuan community, 99 Taining Road, Luohu District, Shenzhen, Guangdong 518000 Patentee after: Wu Cuiying Address before: 510000 Room 101, No. 13, zhangmushan, Cencun, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU LEXIAOTONG INFORMATION TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: 518000, Building 6, Houhai Garden, No. 5 Longcheng Road, Longcheng Community, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, China Patentee after: Zizhiyou (Guangdong) Intelligent Technology Co.,Ltd. Country or region after: China Address before: 408, building 4, Cuiyuan community, 99 Taining Road, Luohu District, Shenzhen, Guangdong 518000 Patentee before: Wu Cuiying Country or region before: China |