CN207849711U - A kind of ventilation filter equipment - Google Patents
A kind of ventilation filter equipment Download PDFInfo
- Publication number
- CN207849711U CN207849711U CN201721841241.4U CN201721841241U CN207849711U CN 207849711 U CN207849711 U CN 207849711U CN 201721841241 U CN201721841241 U CN 201721841241U CN 207849711 U CN207849711 U CN 207849711U
- Authority
- CN
- China
- Prior art keywords
- brush holder
- holder support
- body frame
- strainer
- dust
- 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.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000007937 lozenge Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 238000005201 scrubbing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a kind of ventilation filter equipment, including body frame and strainer, the brush holder support with bristle is provided on the body frame, the bristle is abutted with strainer, the brush holder support is slidably connected with body frame, it is provided with driving motor on the body frame, the linkage mechanism of linkage brush holder support sliding when being provided with driving motor work on the body frame, when needing to clean strainer, it only needs to open driving motor, driving motor drives brush holder support to be slided on body frame by linkage mechanism at this time, it is final to realize that the bristle on brush holder support scrubs screen surface, the dust brush assembled on filter screen is fallen, scale removal process continues driving motor work, have the advantages that be not required to the dismounting i.e. cleanable strainer of strainer.
Description
Technical field
The utility model is related to filter plant field, more particularly to a kind of ventilation filter equipment.
Background technology
Air conditioner in use for some time, can gather certain dust on filter screen, if cleaned not in time, filter screen
The dust of upper aggregation is excessive, and clogging can be caused to cause to divulge information unsmooth, will increase the air of air inlet in operation of air conditioner
Running resistance causes energy consumption to increase, and influences cooling or heating effect, is unfavorable for the overall operation of air-conditioning, and due to having accumulated
The filter screen of more dusts is easy to grow bacterium, causes the secondary pollution of room air, influences the quality of room air.Currently, absolutely
The dedusting method of most of filter screen of air conditioner is all to remove filter screen cleaning using manual, needs to open in cleaning process empty
The components such as the panel of device are adjusted, then dismantle filter screen, and also need to reinstall back filter screen after having cleaned, this side
Method is time-consuming and laborious, makes troubles to the use of user.
Utility model content
The purpose of this utility model is to provide a kind of ventilation filter equipment, excellent with conveniently being cleared up strainer
Point.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of ventilation filter equipment, including body frame and strainer are provided with the brush holder support with bristle, the brush on the body frame
Hair is abutted with strainer, and the brush holder support is slidably connected with body frame, and driving motor is provided on the body frame, is provided on the body frame
The linkage mechanism of linkage brush holder support sliding when driving motor works.
When needing to clean strainer, it is only necessary to open driving motor, driving motor is driven by linkage mechanism and brushed at this time
Bar slides on body frame, final to realize that the bristle on brush holder support scrubs screen surface, the dust brush that will assemble on filter screen
It falls, scale removal process continues driving motor work, has the advantages that be not required to the dismounting i.e. cleanable strainer of strainer.
The utility model is further arranged：Drive bevel gear, the linkage are fixed on the output shaft of the driving motor
Mechanism includes the lead screw with body frame rotation connection and axial restraint, and the brush holder support is connect with wire rod thread, and described lead screw one end is solid
There are driven wheel of differential, the driven wheel of differential to be engaged with drive bevel gear surely.
Setting in this way, when needing to clean strainer, it is only necessary to open driving motor, at this time active conical tooth wheel belt
The dynamic driven wheel of differential synchronous rotary engaged, and driven wheel of differential rotation can drive lead screw to be rotated on body frame in turn, silk
The rotation of bar drives the brush holder support being threadedly coupled with it to be slided in the axial direction of body frame upper edge lead screw, the final brush realized on brush holder support
Hair scrubs screen surface, to realize the effect of linkage.
The utility model is further arranged：The first button for promoting driving motor to invert is fixed on the body frame, it is described
First button is located on the sliding stroke of brush holder support, and first button is located at one end of lead screw.
Setting in this way, for brush holder support when being slided on body frame, bristle on brush holder support is to brush holder support meeting after gaze scrubbing one time
The end of lead screw is slided into, brush holder support can press the first button in the process of moving at this time, and the first button being pressed can promote
Driving motor is inverted, and the reversion of driving motor can promote lead screw to reversely rotate so that brush holder support reverse slide, the mistake of sliding
Strainer is scrubbed again in journey, achievees the purpose that back and forth to scrub strainer, realizes and improves cleaning clean-up performance
Effect.
The utility model is further arranged：The second button for promoting driving motor to stop is fixed on the body frame, it is described
Second button is located on the sliding stroke of brush holder support, and second button is located at the one end of lead screw far from the first button.
Setting in this way promotes brush holder support reverse slide to strainer when brush holder support slides into lead screw one end the first button of pressing
It carries out after scrubbing again, brush holder support, which slides into when the end on lead screw far from the first button side is detached from strainer, can press second
Button promotes driving motor to be stopped, and brush holder support stops sliding at this time, final to realize the automatic effect for terminating scrub work.
The utility model is further arranged：When the brush holder support is abutted with the second button, bristle is abutted with strainer disengaging.
Setting in this way abuts when brush holder support stops sliding with strainer disengaging, and brush holder support can be stored after scrub process
To the side of strainer, to avoid brush holder support from impacting the air-out effect of strainer.
The utility model is further arranged：The body frame bottom is provided with dust-collecting cavity, opens wide and is formed at the top of the dust-collecting cavity
Opening, the opening are located at below strainer.
Setting in this way, when being scrubbed to strainer, brushing the dust fallen can fall in dust-collecting cavity, reach powder
Dirt collects the purpose placed.
The utility model is further arranged：The opening is slidably connected its closed cover board, is set on the brush holder support
The cover board that links when being equipped with sliding skids off so that the open linkage structure in dust-collecting cavity top.
Setting in this way, cover board get up the top seal of dust-collecting cavity, therefore in air-conditioning work, have in dust-collecting cavity
Dust be isolated from the outside world under the action of cover board, can effectively avoid and raised the dust in dust-collecting cavity by the wind of strainer.
The utility model is further arranged：The linkage structure includes with lozenges and being fixed on the wedge shape of brush holder support bottom
Block is provided with the inclined surface abutted with lozenges on the cover board, and the inclined surface is located on the sliding stroke of wedge block, described
Cover board side, which is provided with, drives cover board sliding to reset the spring of dust-collecting cavity top seal, the spring one end fixed with cover board and
The other end is fixed with dust cavity wall.
Setting in this way, for driving motor task driven brush holder support when being slided on body frame, the sliding of brush holder support can promote wedge
Lozenges on shape block is gradually contacted with the inclined surface on cover board, continues that the direction tilted away from strainer can be pushed when sliding
Sliding so that it opens wide at the top of dust-collecting cavity, brushes the dust fallen and can fall in dust-collecting cavity and gather together, and after scrub process,
Wedge block can follow brush holder support to return to and be detached from the initial position abutted with strainer, and wedge block is detached from inclined surface and abuts at this time, cover board
It can slide to get up the top seal of dust-collecting cavity to strainer direction under the action of the spring, therefore when strainer works, in dust-collecting cavity
The dust having is isolated from the outside world under the action of cover board, can effectively avoid and is raised the dust in dust-collecting cavity by the wind of strainer
It rises.
In conclusion the utility model has the advantages that：
When needing to clean strainer, it is only necessary to open driving motor, driving motor is driven by linkage mechanism and brushed at this time
Bar slides on body frame, final to realize that the bristle on brush holder support scrubs screen surface, the dust brush that will assemble on filter screen
It falls, scale removal process continues driving motor work, has the advantages that be not required to the dismounting i.e. cleanable strainer of strainer, driving motor work
Make driving brush holder support when being slided on body frame, the sliding of brush holder support can promote the lozenges on wedge block gradually with the inclined surface on cover board
Contact continues that the direction sliding tilted away from strainer can be pushed when sliding so that open wide at the top of dust-collecting cavity, brush the dust fallen
It can fall in dust-collecting cavity and gather together, and after scrub process, wedge block can follow brush holder support to return to and be abutted with strainer disengaging
Initial position, at this time wedge block and inclined surface be detached from and abut, cover board will can collect to the sliding of strainer direction under the action of the spring
The top seal of dirt chamber gets up, therefore when strainer works, the dust having in dust-collecting cavity is isolated from the outside world under the action of cover board,
It can effectively avoid and raised the dust in dust-collecting cavity by the wind of strainer.
Description of the drawings
Fig. 1 is the concrete structure diagram of the present embodiment；
Fig. 2 is the internal structure chart of the present embodiment；
Fig. 3 is the internal structure chart of dust accumulation chamber in the present embodiment.
Reference numeral：1, body frame；2, strainer；3, bristle；4, brush holder support；5, driving motor；6, drive bevel gear；7, lead screw；
8, driven wheel of differential；9, the first button；10, the second button；11, dust-collecting cavity；12, cover board；13, wedge block；14, lozenges；15、
Inclined surface；16, spring.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of ventilation filter equipment is fixed with strainer 2, device is integrally pacified as shown in Figure 1, including body frame 1 on body frame 1
In ventilation shaft, start to work in air conditioner, when air is by strainer 2, the dust being mixed in air can be in the work of strainer 2
It is filtered out under, to play the effect of purification to air, air conditioner can gather centainly in use for some time, on filter screen 2
Dust, such as clean not in time, the dust assembled on filter screen 2 is excessive, energy consumption can be caused to increase, influence cooling or heating effect.
As shown in Fig. 2, being equipped with the brush holder support 4 with bristle 3 on strainer 2, wherein bristle 3 is abutted with strainer 2, brush holder support 4 and master
1 level of frame is slidably connected, and driving motor 5 is in addition equipped on body frame 1, while joining when being equipped with driving motor 5 on body frame 1 and working
The linkage mechanism that dynamic brush holder support 4 slides on body frame 1, is fixed with drive bevel gear 6, gear on the output shaft of driving motor 5
Structure includes the lead screw 7 with the rotation connection of body frame 1 and axial restraint, and wherein brush holder support 4 is threadedly coupled with lead screw 7, in addition in lead screw 7 one
End is fixed with the driven wheel of differential 8 engaged with drive bevel gear 6.
When needing to clean strainer 2, it is only necessary to driving motor 5 is opened, what the drive of drive bevel gear 6 at this time engaged
8 synchronous rotary of driven wheel of differential, and the rotation of driven wheel of differential 8 can drive lead screw 7 to be rotated on body frame 1 in turn, the rotation of lead screw 7
The brush holder support 4 being threadedly coupled with it is driven to be slided in the axial direction of 1 upper edge lead screw 7 of body frame, the final bristle 3 realized on brush holder support 4
2 surface of strainer is scrubbed, the dust brush assembled on filter screen 2 is fallen.
The first button 9 for promoting driving motor 5 to invert is fixed on body frame 1, the first button 9 is located at the sliding of brush holder support 4
On stroke, the first button 9 is located at one end of lead screw；Therefore open driving motor 5 and drive brush holder support 4 when being slided on body frame 1, brush holder support 4
On bristle 3 strainer 2 is scrubbed one time after brush holder support 4 can slide into the end of lead screw 7, brush holder support 4 can in the process of moving at this time
The first button 9 is pressed, the first button 9 being pressed can promote driving motor 5 to be inverted, and the reversion of driving motor 5 can promote
Lead screw 7 is set to reversely rotate so that 4 reverse slide of brush holder support scrubs strainer 2 during sliding again, reaches to filter
The purpose that net 2 is back and forth scrubbed realizes the effect for improving cleaning clean-up performance.
The second button 10 for promoting driving motor 5 to stop is fixed on body frame 1, the second button 10 is located at the sliding of brush holder support 4
On stroke, the second button 10 is located at the one end of lead screw 7 far from the first button 9, and when brush holder support 4 is abutted with the second button 10, bristle
3 abut with the disengaging of strainer 2；Promote 4 reverse slide of brush holder support to strainer 2 when brush holder support 4 slides into 7 one end of lead screw the first button 9 of pressing
It carries out after scrubbing again, brush holder support 4 slides into can press when the end far from 9 side of the first button is detached from strainer 2 on lead screw 7
Second button 10 promotes driving motor 5 to be stopped, and brush holder support 4 stops sliding at this time, and is supported with the disengaging of strainer 2 when stopping sliding
It connects, brush holder support 4 can be received into the side of strainer 2 after scrub process, and brush holder support 4 is avoided to impact the air-out effect of strainer 2.
As shown in figure 3, it is equipped with dust-collecting cavity 11 in 1 bottom of body frame, while 1 basal sliding of body frame is connected with for by dust-collecting cavity
11 closed cover boards 12, in addition when being equipped with sliding on brush holder support 4, linkage cover board 12 skids off so that 11 top of dust-collecting cavity is open
Dynamic structure, linkage structure include with lozenges 14 and being fixed on the wedge block 13 of 4 bottom of brush holder support, and cover board 12 is equipped with and lozenges
The inclined surface 15 of 14 cooperations, while inclined surface 15 is located on the sliding stroke of wedge block 13.
For 5 task driven brush holder support 4 of driving motor when being slided on body frame 1, the sliding of brush holder support 4 can promote the wedge on wedge block 13
Shape face 14 is gradually contacted with the inclined surface 15 on cover board 12, continues that the sliding of inclined surface 15 can be pushed when sliding so that dust-collecting cavity 11
Top is opened wide, therefore when bristle 3 scrubs strainer 2, is brushed the dust fallen and can be fallen in dust-collecting cavity 11 and gather together, and is brushed
After washing journey, wedge block 13 can follow brush holder support 4 to return to and be detached from the initial position that abuts with strainer 2, at this time wedge block 13 and
Inclined surface 15, which is detached from, to abut, and is equipped in 12 side of cover board and drives the sliding of cover board 12 by the spring 16 of 11 top seal of dust-collecting cavity, bullet
16 one end of spring is fixed with cover board 12 and the inner wall of the other end and dust-collecting cavity 11 is fixed, and wedge block 13 is detached from inclined surface 15 and abuts
When, cover board 12 can slide to get up the top seal of dust-collecting cavity 11 to 2 direction of strainer under the action of the spring 16, therefore in strainer 2
When work, the dust having in dust-collecting cavity 11 is isolated from the outside world under the action of cover board 12, can effectively avoid the wind by strainer 2
Dust in dust-collecting cavity 11 is raised.
Specific work process：When needing to clean strainer 2, it is only necessary to open driving motor 5, at this time drive bevel gear 6
8 synchronous rotary of driven wheel of differential engaged is driven, and the rotation of driven wheel of differential 8 can drive lead screw 7 to turn on body frame 1 in turn
Dynamic, the rotation of lead screw 7 drives the brush holder support 4 being threadedly coupled with it to be slided in the axial direction of 1 upper edge lead screw 7 of body frame, final to realize
Bristle 3 on brush holder support 4 scrubs 2 surface of strainer, and the dust brush assembled on filter screen 2 is fallen, and brush holder support 4 is sliding on body frame 1
When dynamic, the sliding of brush holder support 4 can promote the lozenges 14 on wedge block 13 gradually to be contacted with the inclined surface 15 on cover board 12, continue to slide
The sliding of inclined surface 15 can be pushed when dynamic so that 11 top of dust-collecting cavity is opened wide, and brushing the dust fallen at this time can fall in dust-collecting cavity 11
It gathers together, and after scrub process, wedge block 13 can follow brush holder support 4 to return to strainer 2 and be detached from the initial position abutted, this
When wedge block 13 and inclined surface 15 be detached from and abut, cover board 12 can be under the action of the spring 16 to the sliding of 2 direction of strainer by dust-collecting cavity
11 top seal gets up.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of ventilation filter equipment, including body frame (1) and strainer (2), it is characterized in that：It is provided with band on the body frame (1)
The brush holder support (4) of bristle (3), the bristle (3) abut with strainer (2), and the brush holder support (4) is parallel to strainer with body frame (1) edge（2）
Direction be slidably connected, driving motor (5) is provided on the body frame (1), driving motor (5) is provided on the body frame (1)
The linkage mechanism that the brush holder support (4) that links when work slides.
2. a kind of ventilation filter equipment according to claim 1, it is characterized in that：On the output shaft of the driving motor (5)
It is fixed with drive bevel gear (6), the linkage mechanism includes the lead screw (7) with body frame (1) rotation connection and axial restraint, described
Brush holder support (4) is threadedly coupled with lead screw (7), and described lead screw (7) one end is fixed with driven wheel of differential (8), the driven wheel of differential (8)
It is engaged with drive bevel gear (6).
3. a kind of ventilation filter equipment according to claim 2, it is characterized in that：It is fixed on the body frame (1) and promotes to drive
The first button (9) of dynamic motor (5) reversion, first button (9) are located on the sliding stroke of brush holder support (4), and described first presses
Button（9）Positioned at lead screw（7）One end.
4. a kind of ventilation filter equipment according to claim 3, it is characterized in that：It is fixed on the body frame (1) and promotes to drive
The second button (10) that dynamic motor (5) stops, second button (10) are located on the sliding stroke of brush holder support (4), and described second
Button（10）Positioned at lead screw far from the first button（9）One end.
5. a kind of ventilation filter equipment according to claim 4, it is characterized in that：The brush holder support (4) and the second button (10)
When abutting, bristle (3) is abutted with strainer (2) disengaging.
6. a kind of ventilation filter equipment according to claim 1, it is characterized in that：Body frame (1) bottom is provided with dust
Chamber (11), the dust-collecting cavity（11）Top, which is opened wide, forms opening, and the opening is located at strainer（2）Lower section.
7. a kind of ventilation filter equipment according to claim 6, it is characterized in that：The opening is slidably connected its envelope
The cover board (12) closed, linkage cover board (12) skids off so that unlimited at the top of dust-collecting cavity (11) when being provided with sliding on the brush holder support (4)
Linkage structure.
8. a kind of ventilation filter equipment according to claim 7, it is characterized in that：The linkage structure includes band lozenges
(14) and it is fixed on the wedge block (13) of brush holder support (4) bottom, is provided on the cover board (12) and inclines with what lozenges (14) abutted
Inclined-plane (15), the inclined surface (15) are located on the sliding stroke of wedge block (13), and cover board (12) side, which is provided with, to drive
Cover board (12) sliding is resetted the spring (16) of dust-collecting cavity (11) top seal, and described spring (16) one end is fixed with cover board (12)
And the other end is fixed with dust-collecting cavity (11) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841241.4U CN207849711U (en) | 2017-12-23 | 2017-12-23 | A kind of ventilation filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841241.4U CN207849711U (en) | 2017-12-23 | 2017-12-23 | A kind of ventilation filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207849711U true CN207849711U (en) | 2018-09-11 |
Family
ID=63418757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721841241.4U Expired - Fee Related CN207849711U (en) | 2017-12-23 | 2017-12-23 | A kind of ventilation filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207849711U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140624A (en) * | 2018-11-09 | 2019-01-04 | 珠海格力电器股份有限公司 | Air conditioner filter screen cleaning device, air-conditioning and air conditioner filter screen clean method |
| CN110617595A (en) * | 2019-09-30 | 2019-12-27 | 浙江中通检测科技有限公司 | A domestic new trend system for unit room |
| CN112849825A (en) * | 2020-12-31 | 2021-05-28 | 宁波高新区利威科技有限公司 | Garbage bin protection device |
| CN113001838A (en) * | 2021-03-02 | 2021-06-22 | 南丰县乾泰再生资源回收利用有限公司 | Even heating device to polyester chip |
| CN113294843A (en) * | 2021-05-21 | 2021-08-24 | 机械工业第九设计研究院有限公司 | Assembled indoor heating ventilating air conditioner filter device |
| CN113686006A (en) * | 2020-05-19 | 2021-11-23 | 宁波奥克斯电气股份有限公司 | Brush roller cleaning mechanism and air conditioner |
-
2017
- 2017-12-23 CN CN201721841241.4U patent/CN207849711U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140624A (en) * | 2018-11-09 | 2019-01-04 | 珠海格力电器股份有限公司 | Air conditioner filter screen cleaning device, air-conditioning and air conditioner filter screen clean method |
| CN109140624B (en) * | 2018-11-09 | 2023-09-15 | 珠海格力电器股份有限公司 | Air conditioner filter screen cleaning device, air conditioner and air conditioner filter screen cleaning method |
| CN110617595A (en) * | 2019-09-30 | 2019-12-27 | 浙江中通检测科技有限公司 | A domestic new trend system for unit room |
| CN113686006A (en) * | 2020-05-19 | 2021-11-23 | 宁波奥克斯电气股份有限公司 | Brush roller cleaning mechanism and air conditioner |
| CN112849825A (en) * | 2020-12-31 | 2021-05-28 | 宁波高新区利威科技有限公司 | Garbage bin protection device |
| CN112849825B (en) * | 2020-12-31 | 2022-03-18 | 宁波高新区利威科技有限公司 | Garbage bin protection device |
| CN113001838A (en) * | 2021-03-02 | 2021-06-22 | 南丰县乾泰再生资源回收利用有限公司 | Even heating device to polyester chip |
| CN113001838B (en) * | 2021-03-02 | 2022-10-11 | 南丰县乾泰再生资源回收利用有限公司 | Even heating device to polyester chip |
| CN113294843A (en) * | 2021-05-21 | 2021-08-24 | 机械工业第九设计研究院有限公司 | Assembled indoor heating ventilating air conditioner filter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 |