CN208961841U - A kind of drying fixture - Google Patents
A kind of drying fixture Download PDFInfo
- Publication number
- CN208961841U CN208961841U CN201821558471.4U CN201821558471U CN208961841U CN 208961841 U CN208961841 U CN 208961841U CN 201821558471 U CN201821558471 U CN 201821558471U CN 208961841 U CN208961841 U CN 208961841U
- Authority
- CN
- China
- Prior art keywords
- crankshaft
- drying
- positioning seat
- spray head
- clamp body
- 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
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Abstract
The utility model discloses a kind of drying fixtures, are related to crankshaft fixed equipment, solve the problems, such as that existing fixture is difficult to detect whether crankshaft is clamped.It includes clamp body and the first positioning seat being arranged on clamp body, it is additionally provided on the clamp body for crankshaft to be pressed on holding down assembly on the first positioning seat, the card slot for being engaged by clamping with main bearing journal is offered on first positioning seat, the card slot slot bottom is embedded with gas inspection spray head, the spout of the gas inspection spray head is pushed against towards crankshaft and with crankshaft, first positioning seat runs through in the downside of gas inspection spray head offers venthole, and the venthole extends downwardly through clamp body, and the drying spray head for drying crankshaft is additionally provided on the clamp body.The utility model provides the detection that can be realized to crankshaft clamped condition, and can guarantee a kind of drying fixture of crankshaft stability at work and safety.
Description
Technical field
The utility model relates to crankshaft fixed equipments, more specifically, it relates to a kind of drying fixture.
Background technique
Crankshaft is subject to the power that connecting rod transmits, and is transformed into torque and other are exported and driven on engine by crankshaft
A kind of engine components of attachment work.When being heat-treated to crankshaft raw material, staff would generally first carry out crankshaft
Cleaning is dried again, and to guarantee stabilization of the crankshaft when drying operation, staff often passes through fixture and fixes crankshaft.
Existing notification number is the Chinese patent of CN205685061U, and it discloses a kind of air-conditioner compressor crankshaft fixtures, should
Fixture includes bottom plate, pressing device, the first adjustment block, second adjustment block, eccentric part positioning seat, trunnion positioning seat, first
Positioning pin and the second positioning pin, the first adjustment block and second adjustment block are mounted on bottom plate, and eccentric part positioning seat is mounted on
In one adjustment block, two the first positioning pins, trunnion positioning seat peace are installed between eccentric part positioning seat and the first adjustment block
On second adjustment block, two the second positioning pins, the trunnion are installed between trunnion positioning seat and second adjustment block
Positioning seat is provided with trunnion locating slot, and the eccentric part positioning seat is provided with eccentric part locating slot, the pressing device and master
Axle journal positioning seat is to be detachably connected.
Using the above scheme, in actual operation, the eccentric part of crankshaft can be embedded in eccentric part and determined by staff
Position slot realizes positioning of the crankshaft on the fixture, and crankshaft is fixed on the fixture by clamping device；The clamp is bent
After axis, staff is difficult to detect whether crankshaft is clamped by the fixture, and there are places to be modified.
Utility model content
It is difficult to detect the problem whether crankshaft is clamped for existing fixture, the utility model aim is to propose a kind of baking
Dry fixture examines spray head by the gas to hold down assembly by crankshaft press on card slot slot bottom, to realize to crankshaft clamped condition
Detection.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of drying fixture is gone back on the clamp body including clamp body and the first positioning seat being arranged on clamp body
Equipped with for crankshaft to be pressed on holding down assembly on the first positioning seat, offered on first positioning seat for crankshaft master
The card slot that axle journal is engaged by clamping, the card slot slot bottom are embedded with gas inspection spray head, the spout of gas inspection spray head towards crankshaft and with
Crankshaft pushes against, and first positioning seat runs through in the downside of gas inspection spray head offers venthole, and the venthole extends downwardly
Through clamp body, the drying spray head for drying crankshaft is additionally provided on the clamp body.
By using above-mentioned technical proposal, in actual operation, crankshaft can be clamped be located in card first by staff
In slot, and crankshaft is pressed in card slot by holding down assembly, and the downside of crankshaft is made to push against the spout that gas examines spray head, so that
Crankshaft can close the spout of gas inspection spray head；When external device examines nozzle gas supply to gas by venthole, staff can be with
The clamped condition that the fluency in spray head knows crankshaft is examined in gas by gas；Last staff can be real by drying spray head
Now to the drying of crankshaft.In this way, it realizes the drying to crankshaft, and realizes the detection to crankshaft clamped condition, thus
Guarantee the stability and safety of crankshaft at work.
The utility model is further arranged to: the gas inspection spray head includes the soft nozzle for being fixedly positioned thereon side.
By using above-mentioned technical proposal, soft nozzle is set in the upside of gas inspection spray head, when holding down assembly crankshaft pressure
When tightly in card slot, crankshaft can compress soft nozzle, to seal up gas inspection spray head；Staff can pass through gas at this time
Logical resistance in gas inspection spray head judges the clamped condition of crankshaft, to further be promoted to the convenient of crankshaft clamped condition detection
Property.
The utility model is further arranged to: institute's card slot is all provided on the two sidewalls perpendicular to main bearing journal axis direction
It is equipped with soft cushion block.
Prevent crankshaft from being pressed by the way that soft cushion block is arranged on the two sidewalls of card slot by using above-mentioned technical proposal
It is directly contacted with the first locating piece when tight component press, reduces the case where crankshaft surface is damaged, guarantee the matter of crankshaft
Amount；Also, by soft cushion block, which can adapt to the different crankshaft of part main bearing journal, promote the adaptation of the fixture
Property.
The utility model is further arranged to: the second positioning seat is provided on the clamp body, on second positioning seat
It is fixedly installed soft locating piece vertically, the soft locating piece is on the second positioning seat along perpendicular to the two of rod journal
Side is each provided with one piece, and the locating slot for being embedded in rod journal is formed between the two soft locating pieces.
By using above-mentioned technical proposal, formed by between two soft locating pieces for being embedded in determining for rod journal
Position slot, in actual operation, main bearing journal can be first embedded in the card slot on the first positioning seat by staff, and will be bent
The rod journal part of axis is embedded in locating slot, Dual positioning and clamping is carried out to crankshaft by locating slot and card slot, into one
Step promotes stability of the crankshaft on the fixture, and guarantee is normally carried out crankshaft operation；Also, by two soft locating pieces,
So that the fixture can adapt to the different crankshaft of part rod journal, the adaptability of the fixture is promoted.
The utility model is further arranged to: it is described to hold down assembly including actuator and the pressing plate being arranged on actuator,
Crankshaft is pressed on the first positioning seat by the actuator driving pressing plate.
By using above-mentioned technical proposal, pressing plate is driven by actuator and crankshaft is pressed on the first positioning seat and second
On positioning seat, to guarantee the clamping operation to crankshaft, and guarantee to be normally carried out the detection operation of crankshaft clamped condition.
The utility model is further arranged to: the actuator is driving cylinder, the upside hinge of the driving cylinder block
It is connected to support column, the middle part of the pressing plate and the upper end of support column are hinged, and the piston rod and pressing plate of the driving cylinder are far from bent
One end of axis is hinged.
By using above-mentioned technical proposal, in real work, piston rod, the driving cylinder block, support column of cylinder are driven
And lanar four rod mechanism is formed between pressing plate, and by driving cylinder that the lanar four rod mechanism is driven to run, to drive
Dynamic pressure plate compresses crankshaft, and greatly facilitates staff to the clamping operation of driving.
The utility model is further arranged to: being fixedly installed soft pressure on the downside of one end of the pressing plate compression crankshaft
Block.
By using above-mentioned technical proposal, crankshaft is pressed on the first positioning seat and by soft compression block indirection by pressing plate
It on two positioning seats, prevents crankshaft from directly contacting with pressing plate, reduces the case where crankshaft surface is damaged, guarantee the matter of crankshaft
Amount.
The utility model is further arranged to: the drying spray head include jet substrate and be detachably fixed setting spraying
Air dividing plate on gas substrate, the jet substrate are provided with gather qi together slot, the jet substrate autohemagglutination air drain close to the side of crankshaft
Lower wall run through offer air inlet straight down, and the air inlet extends downwardly through clamp body, the air dividing plate cover
If at the notch of gather qi together slot, and running through on the air dividing plate and offering a point stomata.
By using above-mentioned technical proposal, in actual operation, staff can be by external device to drying spray head
It is supplied, and the gather qi together slot of jet substrate is made to converge and spread gas, and divide stomata by dividing on gas hood plate
It sprays gas crankshaft is dried, to realize the drying operation to crankshaft.
The utility model is further arranged to: the drying spray head is on clamp body along the both ends of the length direction of crankshaft position
The place of setting is each provided with one group, and is detachably fixed between the jet substrate and air dividing plate and is provided with transition plates, described to divide stomata
Transition plates is extended through to transition plates.
By using above-mentioned technical proposal, by setting two groups along the length direction of crankshaft for drying spray head, promotion pair
The drying efficiency of crankshaft；By the way that transition plates is arranged between jet substrate and air dividing plate, when being clamped to longer crankshaft, work
Transition plates can be dismantled by making personnel, to adapt to the crankshaft of part different length, to further promote the fixture to different crankshafts
Adaptability.
The utility model is further arranged to: the clamp body upper side is provided with sealing ring along its side.
By using above-mentioned technical proposal, in actual operation, staff is when drying crankshaft, it will usually right
Fixture is provide with the cover, by the sealing ring being arranged in clamping fixture seat upper side along its side, can guarantee drying operation to crankshaft
In leakproofness between the fixture and the cover, promote the drying efficiency to crankshaft.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) spray head is examined by the gas to hold down assembly by crankshaft press on card slot slot bottom, shape is clamped to crankshaft to realize
The detection of state, to guarantee the stability and safety of crankshaft at work；
(2) by the clamping engagement of card slot and the main neck axis of crankshaft, and the clamping of locating slot and rod journal is cooperated to match
It closes, and crankshaft is pressed on the first positioning seat and the second positioning seat by driving cylinder driving pressing plate, to guarantee that crankshaft clamps
Stability, guarantee crankshaft operation is normally carried out；
(3) the soft cushion block being arranged on card slot two sidewalls is comprehensively utilized, and is equipped with soft on the second positioning seat
Property locating piece, and the transition plates being arranged between jet substrate and air dividing plate, so that the significant increase fixture is different to part
The adaptability of crankshaft.
Detailed description of the invention
Fig. 1 is that an embodiment of the present invention major embodiment dries the integrally-built axonometric schematic diagram of fixture；
Fig. 2 is the schematic diagram of the present embodiment major embodiment the first positioning seat and the second location seat structure；
Fig. 3 is the enlarged drawing of the part Fig. 2 A, the structure that major embodiment holds down assembly；
Fig. 4 is the perspective view of the explosion that an embodiment of the present invention major embodiment dries nozzle structure.
Appended drawing reference: 1, clamp body；2, the first positioning seat；21, card slot；22, soft cushion block；23, gas examines spray head；231, soft
Property nozzle；24, venthole；3, the second positioning seat；31, soft locating piece；32, locating slot；4, it holds down assembly；41, cylinder is driven；
42, pressing plate；43, support column；44, soft briquetting；5, spray head is dried；51, jet substrate；511, gather qi together slot；512, air inlet；
52, air dividing plate；521, divide stomata；53, transition plates；6, sealing ring；7, crankshaft.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model
Mode is not limited only to this.
Referring to attached drawing 1, a kind of drying fixture, including clamp body 1 and 2 He of the first positioning seat being arranged on clamp body 1
Second positioning seat 3 is additionally provided on clamp body 1 for crankshaft 7 to be pressed on the second positioning seat 3 of the first positioning seat 2 and ground
It holds down assembly 4, drying spray head 5 is additionally provided on clamp body 1, and 1 upper side of clamp body is provided with sealing ring 6 along its side.In reality
In the work of border, crankshaft 7 can be erected on the first positioning seat 2 and the second positioning seat 3 by staff first, then pass through compression group
Crankshaft 7 is pressed on the first positioning seat 2 and the second positioning seat 3 by part 4, and can be provide with the cover on clamp body 1, by sealing
Circle 6 realizes the sealing between the cover and clamp body 1, and the drying to crankshaft 7 is realized finally by drying spray head 5.
Fig. 2 and Fig. 3 is participated in, offers card slot 21 on the first positioning seat 2, card slot 21 is open upwards, and card slot 21 is main along crankshaft 7
The axis direction of axle journal penetrates through the two sidewalls of the first positioning seat 2, and card slot 21 is along the two sidewalls perpendicular to 7 trunnion direction of crankshaft
On be provided with soft cushion block 22；Referring to fig. 4,21 slot bottom of card slot is embedded with gas inspection the 23, the 23rd 1 positioning seat 2 of spray head in gas vertically
The downside of inspection spray head 23 is run through vertically offers venthole 24, and venthole 24 extends downwardly through clamp body 1, and gas examines spray head 23
Soft nozzle 231 including being fixedly positioned thereon side.For the stability that guarantee crankshaft 7 is set up on clamp body 1, the first positioning
Seat 2 is provided with two groups along the axis direction parallel interval of 7 trunnion of crankshaft, and soft cushion block 22 is corresponding with the first positioning seat 2 sets
It sets.In actual operation, the clamping of the trunnion part of crankshaft 7 is located in card slot 21 by staff, and by holding down assembly 4
Crankshaft 7 is pressed in card slot 21, and the downside of crankshaft 7 is made to push against the spout of gas inspection spray head 23, crankshaft 7 is closed
The firmly spout of gas inspection spray head 23 is examined spray head 23 by 24 pairs of gas of venthole when external device and is supplied, and staff can pass through gas
Fluency of the body in gas inspection spray head 23 judges the clamped condition of crankshaft 7；Also, by soft cushion block 22, which can be fitted
The crankshaft 7 for answering crankshaft 7 trunnion diameter in part different, promotes the adaptability of the fixture.
It is provided with the second positioning seat 3 on clamp body 1, is fixedly installed soft locating piece 31 on the second positioning seat 3 vertically, it is soft
Property locating piece 31 be each provided with one piece, and two soft positioning along perpendicular to the two sides of 7 rod journal of crankshaft on the second positioning seat 3
The locating slot 32 for being embedded in 7 rod journal of crankshaft is formed between block 31；Also, the second positioning seat 3 is along the axis of rod journal
Line direction parallel interval is provided with two groups.In actual operation, the rod journal of crankshaft 7 can be connected to positioning by staff
In slot 32, further crankshaft 7 is positioned；Also, by two soft 31 clamp linkage axle journals of locating piece, the folder can be enhanced
Has the adaptability to rod journal diameter difference crankshaft 7.
Referring to Fig. 3 and Fig. 4, holding down assembly 4 includes driving cylinder 41 and pressing plate 42, drive the piston rod of cylinder 41 vertically to
Upper setting, driving 41 cylinder body of cylinder are provided with support column 43, one end of support column 43 and driving cylinder 41 close to the side of crankshaft 7
Cylinder body it is hinged；The surface of crankshaft 7, the one end of support column 43 far from cylinder block and pressing plate 42 is arranged in one end of pressing plate 42
Middle part it is hinged, the one end of pressing plate 42 far from crankshaft 7 and drive 41 piston rod of cylinder end it is hinged so that pressing plate 42,
Hinged four-bar mechanism is formed between support column 43, driving 41 cylinder body of cylinder and driving 41 piston rod of cylinder；Also, compression group
Part 4 is arranged at intervals with two groups along the axis direction of crankshaft 7.7 surface of crankshaft is caused to prevent pressing plate 42 from directly contacting with crankshaft 7
Impaired, pressing plate 42 is provided with soft briquetting 44 in the side close to crankshaft 7.In actual operation, driving 41 piston rod of cylinder is done
Stretching motion can drive pressing plate 42 around itself and 43 hinge joint reciprocating rotation of support column, and make pressing plate 42 close to the one of crankshaft 7
The reciprocal lifting in end, and then realize the compression to crankshaft 7 and loosen.
Drying spray head 5 includes jet substrate 51 and is bolted setting in jet substrate 51 close to 7 side of crankshaft
Air dividing plate 52, jet substrate 51 is provided with gather qi together slot 511 close to the side of crankshaft 7, under 51 autohemagglutination air drain 511 of jet substrate
Sidewalls vertical is downward through offering air inlet 512, and air inlet 512 extends downwardly through clamp body 1, and air dividing plate 52 is provide with poly-
At the notch of air drain 511, and runs through on air dividing plate 52 and offer point stomata 521；It is arranged between jet substrate 51 and air dividing plate 52
There is transition plates 53, stomata 521 is divided to extend through transition plates 53 to transition plates 53；And spray head 5 is dried in clamp body 1 in crankshaft
One group is each provided at 7 end positions.When being clamped to longer crankshaft 7, staff can dismantle transition plates 53, with
The crankshaft 7 for adapting to part different length, to further promote the fixture to the adaptability of different crankshafts 7.
The working principle of the present embodiment is: in actual operation, the trunnion of crankshaft 7 can be clamped and be embedded in by staff
In the card slot 21 on the first positioning seat 2, the rod journal of crankshaft 7 is embedded in the locating slot 32 of the second positioning seat 3, and pass through
Driving cylinder 41 drives pressing plate 42 that crankshaft 7 is pressed on the first positioning seat 2 and the second positioning seat 3；Later, staff can be with
It examines spray head 23 by 24 pairs of gas of venthole by extraneous air feed equipment to supply, staff can examine spray head 23 in gas by gas
In fluency judge the clamped condition of crankshaft 7；Finally, staff can be provide with the cover on clamp body 1, by sealing ring
6 realize the sealing between the cover and clamp body 1, and the drying to crankshaft 7 is realized by drying spray head 5.In this way, real
Now to the detection of 7 clamped condition of crankshaft, guarantee the stability and safety of crankshaft 7 at work.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of drying fixture, including clamp body (1) and the first positioning seat (2) being arranged on clamp body (1), the fixture
Hold down assembly (4) for being pressed on crankshaft (7) on the first positioning seat (2) are additionally provided on body (1), which is characterized in that described
The card slot (21) for being engaged by clamping with crankshaft (7) trunnion is offered on first positioning seat (2), card slot (21) slot bottom is embedding
Spray head (23) are examined equipped with gas, the spout of gas inspection spray head (23) is pushed against towards crankshaft (7) and with crankshaft (7), and described first is fixed
Position seat (2) runs through in the downside of gas inspection spray head (23) to be offered venthole (24), and the venthole (24) extends downwardly through
Clamp body (1) is additionally provided with the drying spray head (5) for drying crankshaft (7) on the clamp body (1).
2. a kind of drying fixture according to claim 1, which is characterized in that gas inspection spray head (23) includes fixed setting
Soft nozzle (231) on it.
3. a kind of drying fixture according to claim 1, which is characterized in that the card slot (21) is perpendicular to crankshaft (7)
Soft cushion block (22) are provided on the two sidewalls of trunnion axis direction.
4. a kind of drying fixture according to claim 1, which is characterized in that it is fixed to be provided with second on the clamp body (1)
Position seat (3) is fixedly installed soft locating piece (31) vertically on second positioning seat (3), and the soft locating piece (31) exists
One piece, and the two soft locating pieces are each provided with along the two sides perpendicular to crankshaft (7) rod journal on second positioning seat (3)
(31) locating slot (32) for being embedded in crankshaft (7) rod journal is formed between.
5. a kind of drying fixture according to claim 1, which is characterized in that it is described hold down assembly (4) include actuator and
Pressing plate (42) on actuator is set, and crankshaft (7) is pressed on the first positioning seat (2) by actuator driving pressing plate (42)
On.
6. a kind of drying fixture according to claim 5, which is characterized in that the actuator is driving cylinder (41), institute
It states and is hinged with support column (43) on the upside of driving cylinder (41) cylinder body, the middle part of the pressing plate (42) and the upper end of support column (43)
Hingedly, the one end of the piston rod of driving cylinder (41) with pressing plate (42) far from crankshaft (7) is hinged.
7. a kind of drying fixture according to claim 6, which is characterized in that the pressing plate (42) compresses the one of crankshaft (7)
Soft briquetting (44) are fixedly installed on the downside of end.
8. a kind of drying fixture according to claim 1, which is characterized in that the drying spray head (5) includes jet substrate
(51) and it is detachably fixed the air dividing plate (52) being arranged on jet substrate (51), the jet substrate (51) is close to crankshaft
(7) side is provided with gather qi together slot (511), and the lower wall of jet substrate (51) the autohemagglutination air drain (511) runs through straight down
It offers air inlet (512), and the air inlet (512) extends downwardly through clamp body (1), the air dividing plate (52) is provide with poly-
At the notch of air drain (511), and runs through on the air dividing plate (52) and offer a point stomata (521).
9. a kind of drying fixture according to claim 8, which is characterized in that the drying spray head (5) is on clamp body (1)
Be each provided with one group along the end positions of the length direction of crankshaft (7), and the jet substrate (51) and air dividing plate (52) it
Between be detachably fixed and be provided with transition plates (53), it is described that stomata (521) is divided to extend through transition plates (53) to transition plates (53).
10. a kind of drying fixture according to claim 1, which is characterized in that clamp body (1) upper side is along its side
It is provided with sealing ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558471.4U CN208961841U (en) | 2018-09-21 | 2018-09-21 | A kind of drying fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558471.4U CN208961841U (en) | 2018-09-21 | 2018-09-21 | A kind of drying fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208961841U true CN208961841U (en) | 2019-06-11 |
Family
ID=66758048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821558471.4U Expired - Fee Related CN208961841U (en) | 2018-09-21 | 2018-09-21 | A kind of drying fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208961841U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842854A (en) * | 2019-12-11 | 2020-02-28 | 杭州高品自动化设备有限公司 | Crankshaft connecting rod positioning and compressing structure in pull rod adjusting structure of electric actuator |
| CN110961883A (en) * | 2019-12-11 | 2020-04-07 | 杭州高品自动化设备有限公司 | Automatic adjusting structure of electric actuator pull rod and working method thereof |
| CN112658754A (en) * | 2020-12-25 | 2021-04-16 | 太仓庄正数控设备有限公司 | Positioning fixture for caliper frame |
| CN115218617A (en) * | 2022-07-18 | 2022-10-21 | 南充隆固机械工业有限公司 | Electroplating drying device and method for crankshaft production and processing |
-
2018
- 2018-09-21 CN CN201821558471.4U patent/CN208961841U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842854A (en) * | 2019-12-11 | 2020-02-28 | 杭州高品自动化设备有限公司 | Crankshaft connecting rod positioning and compressing structure in pull rod adjusting structure of electric actuator |
| CN110961883A (en) * | 2019-12-11 | 2020-04-07 | 杭州高品自动化设备有限公司 | Automatic adjusting structure of electric actuator pull rod and working method thereof |
| CN112658754A (en) * | 2020-12-25 | 2021-04-16 | 太仓庄正数控设备有限公司 | Positioning fixture for caliper frame |
| CN115218617A (en) * | 2022-07-18 | 2022-10-21 | 南充隆固机械工业有限公司 | Electroplating drying device and method for crankshaft production and processing |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20210921 |