CN209054226U - A kind of hydraulic quick coupling flow regulator - Google Patents
A kind of hydraulic quick coupling flow regulator Download PDFInfo
- Publication number
- CN209054226U CN209054226U CN201821800037.2U CN201821800037U CN209054226U CN 209054226 U CN209054226 U CN 209054226U CN 201821800037 U CN201821800037 U CN 201821800037U CN 209054226 U CN209054226 U CN 209054226U
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- China
- Prior art keywords
- check valve
- pin end
- quick coupling
- hydraulic quick
- inner elements
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Abstract
The utility model discloses a kind of hydraulic quick coupling flow regulators, including pin end body, female connector body and housing, pin end body is connected with female connector body by housing, inner elements of check valve is provided on the inside of pin end body and female connector body, the side of inner elements of check valve is provided with second spring, flow control device is installed on the inner elements of check valve of the inside setting of pin end body, the flow control device includes micromotor, screw rod, vertical supporting rod, sliding block, fixing sleeve and guide post.The utility model hydraulic quick coupling flow regulator, micromotor work driving screw rod rotation is controlled so that inner elements of check valve moves by the first button and the second button, during inner elements of check valve movement, fluid flow in hydraulic quick coupling can be adjusted, it is easy to use, it can satisfy the use demand under different situations by adjusting the fluid flow in hydraulic quick coupling simultaneously, it is applied widely.
Description
Technical field
The utility model relates to hydraulic quick coupling technical field, specially a kind of hydraulic quick coupling is adjusted with flow and is filled
It sets.
Background technique
Hydraulic quick coupling is designed for special heavy duty, and female connector material is steel chromium plating, pin end and female connector
Lock tube all pass through cure process, pressure resistance and fatigue resistance is good is sealed, No leakage, band safe self-locking function using two-stage.
This connector is that one kind was not only needed using tool, but also was able to achieve the connector that pipeline is assembled and disassembled rapidly, it has both ends to open
Two kinds of structures of enclosed and both ends open formula, both ends open and close type quick coupling is by fitting body, inner elements of check valve, housing, steel ball, spring
Respectively there is a check valve with composition, the inner cavities of fitting body such as sealings, when two fitting bodies separate, inner elements of check valve is respective
It is overhanging under spring effect, and press against on the bellmouth of fitting body, make path blockade, the oil in the pipe of both sides is closed in pipe
It cannot flow out；When two fitting bodies connect, two mandrils of inner elements of check valve front end are collided, and spool is forced to leave the cone of fitting body
Shape hole communicates the oil in the pipe of both sides, two fitting body ball locks, and when work, housing is under the action of the spring steel ball
It is pressed in the U-lag of fitting body, connects fitting body, the quick coupling of both ends open formula and the difference of both ends open and close type are only that and connect
Head intracoelomic cavity does not have check valve, when two fitting bodies separate, is unable to closed access, one end of connector is by three-clove style rubber hose coupling
It is connected with sebific duct, the joint core of rubber hose coupling is inserted directly into quick coupling.
Existing hydraulic quick coupling does not have flow regulating function mostly, so that hydraulic quick coupling is when in use, no
Fluid flow in the pipe of both sides can be adjusted, inconvenient to use, the scope of application is small.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic quick coupling flow regulator, by the first button and
Second button controls micromotor work and then drives screw rod rotation so that inner elements of check valve moves, in inner elements of check valve fortune
In dynamic process, the fluid flow in hydraulic quick coupling can be adjusted, it is easy to use, it can satisfy under different situations
Use demand, it is applied widely, while being the liquid flow in adjustable hydraulic quick coupling by the first button and the second button
Amount, so that it is easy to adjust, it is easy to operate, it can solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of hydraulic quick coupling is adjusted with flow
Device, including pin end body, female connector body and housing, the pin end body are connected with female connector body by housing, the housing
Inner surface be provided with the first spring, the inner surface of the one end of the pin end body close to female connector body is provided with steel ball, described
Steel ball is fastened in the U-lag opened up on the outer surface of female connector body, is respectively provided on the inside of the pin end body and female connector body
There is inner elements of check valve, the side of the inner elements of check valve is provided with second spring, and one end of the second spring is connected to unidirectionally
On valve core, pin end body one end mutually close with female connector body is additionally provided with the bellmouth for accommodating inner elements of check valve, institute
Bellmouth is stated to match with inner elements of check valve；
Flow control device is installed on the inner elements of check valve of the inside setting of the pin end body, the flow adjusts machine
Structure includes micromotor, screw rod, vertical supporting rod, sliding block, fixing sleeve and guide post, and the micromotor is mounted on pin end body
On inner wall, the output shaft of the micromotor is connected with screw rod by shaft coupling, and the both ends of the screw rod also pass through vertical supporting rod
It is mounted on the inner wall of pin end body, sliding block is arranged on the screw rod, the sliding block is connect with screw flight, and the sliding block is also
It is connected on fixing sleeve, the fixing sleeve is connected with guide post far from one end of sliding block, and the guide post is mounted on pin end body
Inner wall on.
Preferably, be provided with the first button and the second button on the outer surface of the pin end body, first button and
Second button is electrically connected with micromotor.
Preferably, it is offered on the inner wall of the pin end body and accommodates the recessed of micromotor, screw rod, vertical supporting rod and sliding block
Slot.
Preferably, the sliding slot for guide post movement is also provided on the inner wall of the pin end body.
Preferably, the micromotor is waterproof machine.
Preferably, the fixing sleeve is set on inner elements of check valve.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model hydraulic quick coupling flow regulator presses the control micromotor work of the first button,
Minitype motor driving screw rod rotates clockwise under the supporting role of vertical supporting rod, and screw rod drives during rotating clockwise
Sliding block away from micromotor direction move, sliding block away from micromotor direction movement to drive fixing sleeve and
Inner elements of check valve level under the guiding role of guide post is moved towards the direction close to bellmouth, is leaned on gradually in inner elements of check valve
During nearly bellmouth, the fluid flow in hydraulic quick coupling becomes smaller gradually, until inner elements of check valve moves to bellmouth
Inside making the fluid flow in hydraulic quick coupling is zero, at this time path blockade, the liquid in the both sides pipe of hydraulic quick coupling
Body, which is closed in pipe, to flow out, and press the control micromotor work of the second button later, at this time minitype motor driving screw rod
It is rotated counterclockwise under the supporting role of vertical supporting rod, screw rod drives sliding block towards close to miniature during rotating counterclockwise
The direction of motor moves, and sliding block moves that fixing sleeve and inner elements of check valve is driven to be oriented to towards the direction close to micromotor
Level is moved away from the direction of bellmouth under the guiding role of column, in inner elements of check valve gradually far from the process of bellmouth
In, the fluid flow in hydraulic quick coupling becomes larger gradually, until inner elements of check valve leaves in bellmouth completely, so that hydraulic fast
Fluid flow in quick coupling is maximum, the fluid communication in the both sides pipe of hydraulic quick coupling, by adjusting hydraulic fast quick access
Fluid flow in head can satisfy the use demand under different situations, applied widely.
2, the utility model hydraulic quick coupling flow regulator is controlled miniature by the first button and the second button
Motor works and then drives screw rod rotation so that inner elements of check valve movement can be right during inner elements of check valve movement
Fluid flow in hydraulic quick coupling is adjusted, easy to use.It is i.e. adjustable by the first button and the second button simultaneously
Fluid flow in hydraulic quick coupling, so that it is easy to adjust, it is easy to operate.
Detailed description of the invention
Fig. 1 is the schematic diagram of the hydraulic quick coupling flow regulator of the utility model；
Fig. 2 is that the flow of the hydraulic quick coupling flow regulator of the utility model adjusts schematic diagram；
Fig. 3 is the enlarged drawing of the flow control device of the utility model.
In figure: 1, pin end body；11, steel ball；12, inner elements of check valve；121, second spring；13, bellmouth；14, groove；
15, sliding slot；16, the first button；17, the second button；2, female connector body；3, housing；31, the first spring；4, flow control device；
41, micromotor；42, screw rod；43, vertical supporting rod；44, sliding block；45, fixing sleeve；46, guide post.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of hydraulic quick coupling flow regulator referring to FIG. 1-2, including pin end body 1,2 and of female connector body
Housing 3, pin end body 1 and female connector body 2 are connected by housing 3, and the inner surface of housing 3 is provided with the first spring 31, pin end
Inner surface of the body 1 close to one end of female connector body 2 is provided with steel ball 11, and steel ball 11 is fastened on the outer surface of female connector body 2 and opens
If U-lag in, the inside of pin end body 1 and female connector body 2 is provided with inner elements of check valve 12, the side of inner elements of check valve 12
It is provided with second spring 121, one end of second spring 121 is connected on inner elements of check valve 12, pin end body 1 and female connector body 2
Mutually close one end is additionally provided with the bellmouth 13 for accommodating inner elements of check valve 12, and bellmouth 13 is matched with inner elements of check valve 12, public
When fitting body 1 and female connector body 2 connect, two mandrils of 12 front end of inner elements of check valve are collided, and inner elements of check valve 12 is forced to leave public affairs
In the bellmouth 13 opened up in fitting body 1 and female connector body 2, make the fluid communication in the both sides pipe of hydraulic quick coupling,
Pin end body 1 and female connector body 2 are locked with steel ball 11, and when work, steel ball 11 is pressed in mother under the effect of the first spring 31 by housing 3
In the U-lag of fitting body 2, connect pin end body 1 and female connector body 2.
Referring to Fig. 3, being equipped with flow control device 4, flow on the inner elements of check valve 12 that the inside of pin end body 1 is arranged
Regulating mechanism 4 includes micromotor 41, screw rod 42, vertical supporting rod 43, sliding block 44, fixing sleeve 45 and guide post 46, when needing to adjust
When saving the fluid flow in hydraulic quick coupling, presses the first button 16 control micromotor 41 and work, at this time micromotor 41
Screw rod 42 is driven to rotate clockwise under the supporting role of vertical supporting rod 43, screw rod 42 drives cunning during rotating clockwise
Block 44 is moved away from the direction of micromotor 41, and sliding block 44 drives solid away from the direction movement of micromotor 41
Surely set 45 and inner elements of check valve 12 level under the guiding role of guide post 46 are moved towards the direction close to bellmouth 13, in list
To valve core 12 gradually during the bellmouth 13, the fluid flow in hydraulic quick coupling becomes smaller gradually, until unidirectional
Valve core 12, which moves to, makes the fluid flow in hydraulic quick coupling be zero in bellmouth 13, at this time path blockade, hydraulic fast
Liquid in the both sides pipe of quick coupling is closed in pipe and cannot flow out, and presses the second button 17 control micromotor 41 later
Work, micromotor 41 drives screw rod 42 to rotate counterclockwise under the supporting role of vertical supporting rod 43 at this time, and screw rod 42 is in the inverse time
Needle drives sliding block 44 to move towards the direction close to micromotor 41 during rotating, and sliding block 44 is towards close to micromotor 41
Direction movement to drive fixing sleeve 45 and inner elements of check valve 12 under the guiding role of guide post 46 level away from cone
The direction in shape hole 13 moves, inner elements of check valve 12 gradually far from bellmouth 13 during, liquid in hydraulic quick coupling
Flow becomes larger gradually, until inner elements of check valve 12 is left completely in bellmouth 13, so that the fluid flow in hydraulic quick coupling
Maximum, the fluid communication in the both sides pipe of hydraulic quick coupling, passes through the first button 16 and the second button 17 controls micro electric
Machine 41 works and then drives the rotation of screw rod 42 so that inner elements of check valve 12 moves, in the process that inner elements of check valve 12 moves
In, the fluid flow in hydraulic quick coupling can be adjusted, it is easy to use, while by adjusting in hydraulic quick coupling
Fluid flow can satisfy the use demand under different situations, applied widely, and it is micro- that receiving is offered on the inner wall of pin end body 1
Type motor 41, screw rod 42, vertical supporting rod 43 and sliding block 44 groove 14, micromotor 41 is mounted on the inner wall of pin end body 1,
Be provided with the first button 16 and the second button 17 on the outer surface of pin end body 1, the first button 16 and the second button 17 with it is micro-
Type motor 41 is electrically connected, and the first button 16 and the second button 17 work for controlling micromotor 41, and micromotor 41 is waterproof
Motor, waterproof machine can obtain reliable waterproof effect, even if long-time water drenching, motor inner inlet will not occur and lead
Cause short trouble generation, the safe and reliable and service life is long, at the same also have certain explosion-proof performance, micromotor 41 it is defeated
Shaft is connected with screw rod 42 by shaft coupling, and the both ends of screw rod 42 also pass through the inner wall that vertical supporting rod 43 is mounted on pin end body 1
On, sliding block 44 is arranged on screw rod 42, sliding block 44 is threadedly coupled with screw rod 42, and sliding block 44 is additionally attached on fixing sleeve 45, fixed
Set 45 is set on inner elements of check valve 12, and the first button 16 and the second button 17 control micromotor 41 work and then drive screw rod
42 rotations are so that fixing sleeve 45 moves, and the movement of fixing sleeve 45 drives inner elements of check valve 12 to move, and fixing sleeve 45 is far from sliding block
44 one end is connected with guide post 46, and guide post 46 is mounted on the inner wall of pin end body 1, also opens on the inner wall of pin end body 1
Equipped with the sliding slot 15 moved for guide post 46, guide post 46 plays the role of guiding, it is ensured that inner elements of check valve 12 is in guide post
Horizontal movement under 46 guiding role.
Operating process: when pin end body 1 and female connector body 2 connect, two mandrils of 12 front end of inner elements of check valve are collided, and are forced
Inner elements of check valve 12 leaves in the bellmouth 13 opened up on pin end body 1 and female connector body 2, makes the both sides of hydraulic quick coupling
Fluid communication in pipe, pin end body 1 and female connector body 2 are locked with steel ball 11, and when work, housing 3 is made in the first spring 31
Steel ball 11 is pressed in the U-lag of female connector body 2 with lower, connects pin end body 1 and female connector body 2, it is hydraulic when needing to adjust
When fluid flow in quick coupling, presses the first button 16 control micromotor 41 and work, micromotor 41 drives spiral shell at this time
Bar 42 rotates clockwise under the supporting role of vertical supporting rod 43, screw rod 42 driven during rotating clockwise sliding block 44 to
The direction far from micromotor 41 move, sliding block 44 away from micromotor 41 direction movement to driving fixing sleeve 45
The direction of level towards close bellmouth 13 moves under the guiding role of guide post 46 with inner elements of check valve 12, in one-way valve
Gradually during the bellmouth 13, the fluid flow in hydraulic quick coupling becomes smaller core 12 gradually, until inner elements of check valve
12 move to the fluid flow in hydraulic quick coupling are made to be zero in bellmouth 13, at this time path blockade, hydraulic quick coupling
Both sides pipe in liquid be closed in pipe and cannot flow out, press later the second button 17 control micromotor 41 work,
Micromotor 41 drives screw rod 42 to rotate counterclockwise under the supporting role of vertical supporting rod 43 at this time, and screw rod 42 is rotating counterclockwise
During drive sliding block 44 towards close to micromotor 41 direction move, sliding block 44 towards close to micromotor 41 direction
Movement to drive fixing sleeve 45 and inner elements of check valve 12 under the guiding role of guide post 46 level away from bellmouth 13
Direction movement, inner elements of check valve 12 gradually far from bellmouth 13 during, the fluid flow in hydraulic quick coupling is gradually
Gradual change is big, until inner elements of check valve 12 is left completely in bellmouth 13, so that the fluid flow in hydraulic quick coupling is maximum, and liquid
The fluid communication in the both sides pipe of quick coupling is pressed, micromotor 41 is controlled by the first button 16 and the second button 17 and is worked
And then the rotation of screw rod 42 is driven so that the movement of inner elements of check valve 12 can be to liquid during inner elements of check valve 12 moves
Fluid flow in pressure quick coupling is adjusted, easy to use, while by adjusting the fluid flow in hydraulic quick coupling
It can satisfy the use demand under different situations, it is applied widely.
In summary: the utility model hydraulic quick coupling flow regulator, when needing to adjust hydraulic quick coupling
When interior fluid flow, presses the first button 16 control micromotor 41 and work, micromotor 41 drives screw rod 42 propping up at this time
It supports and is rotated clockwise under the supporting role of vertical bar 43, screw rod 42 drives sliding block 44 away from micro- during rotating clockwise
The direction of type motor 41 moves, and sliding block 44 moves to drive fixing sleeve 45 and check valve away from the direction of micromotor 41
Spool 12 under the guiding role of guide post 46 level towards close to bellmouth 13 direction move, inner elements of check valve 12 gradually
During bellmouth 13, the fluid flow in hydraulic quick coupling becomes smaller gradually, until inner elements of check valve 12 moves to
Making the fluid flow in hydraulic quick coupling in bellmouth 13 is zero, at this time path blockade, the both sides pipe of hydraulic quick coupling
Liquid in son, which is closed in pipe, to flow out, and pressed the second button 17 control micromotor 41 later and worked, miniature at this time
Motor 41 drives screw rod 42 to rotate counterclockwise under the supporting role of vertical supporting rod 43, and screw rod 42 is during rotating counterclockwise
Drive sliding block 44 towards close to micromotor 41 direction move, sliding block 44 towards close to micromotor 41 direction movement to
Fixing sleeve 45 and inner elements of check valve 12 level under the guiding role of guide post 46 is driven to transport away from the direction of bellmouth 13
It is dynamic, inner elements of check valve 12 gradually far from bellmouth 13 during, the fluid flow in hydraulic quick coupling becomes larger gradually, directly
It is left in bellmouth 13 completely to inner elements of check valve 12, so that the fluid flow in hydraulic quick coupling is maximum, hydraulic fast quick access
Fluid communication in the both sides pipe of head controls the work driving of micromotor 41 by the first button 16 and the second button 17
The rotation of screw rod 42 is so that the movement of inner elements of check valve 12 can be to hydraulic fast quick access during inner elements of check valve 12 moves
Fluid flow in head is adjusted, easy to use, while can satisfy by adjusting the fluid flow in hydraulic quick coupling
Use demand under different situations, it is applied widely.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of hydraulic quick coupling flow regulator, including pin end body (1), female connector body (2) and housing (3),
Be characterized in that: the pin end body (1) and female connector body (2) are connected by housing (3), the inner surface setting of the housing (3)
Have the first spring (31), inner surface of the pin end body (1) close to the one end of female connector body (2) is provided with steel ball (11), institute
It states steel ball (11) to be fastened in the U-lag opened up on the outer surfaces of female connector body (2), the pin end body (1) and female connector body
(2) it being provided on the inside of inner elements of check valve (12), the side of the inner elements of check valve (12) is provided with second spring (121),
One end of the second spring (121) is connected on inner elements of check valve (12), the pin end body (1) and female connector body (2) phase
Close one end is additionally provided with the bellmouth (13) for accommodating inner elements of check valve (12), the bellmouth (13) and inner elements of check valve
(12) it matches；
Flow control device (4), the flow are installed on the inner elements of check valve (12) of the inside setting of the pin end body (1)
Regulating mechanism (4) includes micromotor (41), screw rod (42), vertical supporting rod (43), sliding block (44), fixing sleeve (45) and guide post
(46), the micromotor (41) is mounted on the inner wall of pin end body (1), and the output shaft of the micromotor (41) passes through connection
Axis device is connected with screw rod (42), and the both ends of the screw rod (42) also pass through vertical supporting rod (43) and are mounted on the interior of pin end body (1)
It on wall, is arranged with sliding block (44) on the screw rod (42), the sliding block (44) is threadedly coupled with screw rod (42), the sliding block (44)
It is additionally attached on fixing sleeve (45), the fixing sleeve (45) is connected with guide post (46) far from the one end of sliding block (44), described to lead
Xiang Zhu (46) is mounted on the inner wall of pin end body (1).
2. a kind of hydraulic quick coupling flow regulator according to claim 1, it is characterised in that: the pin end
The first button (16) and the second button (17), first button (16) and the second button are provided on the outer surface of body (1)
(17) it is electrically connected with micromotor (41).
3. a kind of hydraulic quick coupling flow regulator according to claim 1, it is characterised in that: the pin end
Offered on the inner wall of body (1) accommodate micromotor (41), screw rod (42), vertical supporting rod (43) and sliding block (44) groove
(14).
4. a kind of hydraulic quick coupling flow regulator according to claim 1, it is characterised in that: the pin end
The sliding slot (15) for guide post (46) movement is also provided on the inner wall of body (1).
5. a kind of hydraulic quick coupling flow regulator according to claim 1, it is characterised in that: the micro electric
Machine (41) is waterproof machine.
6. a kind of hydraulic quick coupling flow regulator according to claim 1, it is characterised in that: the fixing sleeve
(45) it is set on inner elements of check valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800037.2U CN209054226U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic quick coupling flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800037.2U CN209054226U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic quick coupling flow regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209054226U true CN209054226U (en) | 2019-07-02 |
Family
ID=67052440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821800037.2U Expired - Fee Related CN209054226U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic quick coupling flow regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209054226U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247365A (en) * | 2019-12-16 | 2020-06-05 | 苏州信运比尔精密机械有限公司 | Pipeline connects device soon |
| CN111584199A (en) * | 2020-05-29 | 2020-08-25 | 贵州电网有限责任公司 | Automatic monitoring control system for oil filtering of transformer |
| CN113586826A (en) * | 2020-04-30 | 2021-11-02 | 上海亚大汽车塑料制品有限公司 | Bidirectional stop joint |
| CN114838224A (en) * | 2021-06-04 | 2022-08-02 | 中国电子科技集团公司第十四研究所 | Self-adaptation flow control joint design |
-
2018
- 2018-11-02 CN CN201821800037.2U patent/CN209054226U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247365A (en) * | 2019-12-16 | 2020-06-05 | 苏州信运比尔精密机械有限公司 | Pipeline connects device soon |
| CN113586826A (en) * | 2020-04-30 | 2021-11-02 | 上海亚大汽车塑料制品有限公司 | Bidirectional stop joint |
| CN111584199A (en) * | 2020-05-29 | 2020-08-25 | 贵州电网有限责任公司 | Automatic monitoring control system for oil filtering of transformer |
| CN114838224A (en) * | 2021-06-04 | 2022-08-02 | 中国电子科技集团公司第十四研究所 | Self-adaptation flow control joint design |
| CN114838224B (en) * | 2021-06-04 | 2024-03-12 | 中国电子科技集团公司第十四研究所 | Self-adaptive flow adjusting joint structure |
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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: 20190702 Termination date: 20191102 |