CN106764171B - A kind of modified form conversion pipe fitting - Google Patents
A kind of modified form conversion pipe fitting Download PDFInfo
- Publication number
- CN106764171B CN106764171B CN201611181624.3A CN201611181624A CN106764171B CN 106764171 B CN106764171 B CN 106764171B CN 201611181624 A CN201611181624 A CN 201611181624A CN 106764171 B CN106764171 B CN 106764171B
- Authority
- CN
- China
- Prior art keywords
- wall
- sealing ring
- tube body
- connector
- rear end
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/18—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/223—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
Abstract
The invention discloses a kind of modified forms to convert pipe fitting, including pvc pipe connector and the hose joint being detachably connected with pvc pipe connector, the pvc pipe connector includes connector sleeve, bushing, circular slot, circular body, several elastic arms, several fixed teeth, several notches, fasten upper shield, circular cone shape sealing ring and the first tube body, the rear portion of first tube body is equipped with the first endless groove, the front end of first tube body is equipped with connector sleeve, the inner wall of the connecting pin of the connector sleeve and the first tube body is formed with conical portion, circular cone shape sealing ring equipped with outer wall fitting conical portion in the conical portion, the front of the inner wall of the connector sleeve is equipped with circular slot, the circular body matched is equipped in the annular shape slot, the inner wall of the annular shape body is evenly distributed with elastic arm, compared with prior art, it can make With conveniently, good reliability does not need tool auxiliary operation, suitable for the conversion connection between pvc pipe and hose.
Description
[technical field]
The present invention relates to the technical field of pipe fitting, especially a kind of technical field of modified form conversion pipe fitting.
[background technique]
The connection type that the conduit coupling of existing market sale uses substantially has: sweat soldering formula, screw connected, glue
Water is adhered, clamp-press type etc. mode；The connecting pipe of these modes requires that there is installation operator certain operation to pass through
It tests and technology, otherwise pipeline junction such as will generate leak, fall off at the phenomena of the failure；The process of pipe connecting operations is more, consumes
When it is longer；While these connecting pipes generally require various specific purpose tools when installing operation and carry out auxiliary operation, process is more, behaviour
Make cumbersome.And in actual life, suitable for the conversion pipe connector between pvc pipe and hose.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, proposes a kind of modified form conversion pipe fitting, can make
With conveniently, good reliability does not need tool auxiliary operation, suitable for the conversion connection between pvc pipe and hose.
To achieve the above object, the invention proposes a kind of modified form convert pipe fitting, including pvc pipe connector and with
The hose joint that pvc pipe connector is detachably connected, the pvc pipe connector include connector sleeve, bushing, circular slot, circle
Ring bodies, several elastic arms, several fixed teeth, several notches, fastening upper shield, circular cone shape sealing ring and the first tube body, described the
The rear portion of one tube body is equipped with the first endless groove, and the front end of first tube body is equipped with connector sleeve, the connector sleeve and the first tube body
The inner wall of connecting pin be formed with conical portion, the cone sealing equipped with outer wall fitting conical portion in the conical portion
Circle, the front of the inner wall of the connector sleeve is equipped with circular slot, is equipped with the circular body matched in the annular shape slot, described
The inner wall of circular body is evenly distributed with elastic arm, and the front end of the elastic arm is equipped with fixed tooth, is equipped in the connector sleeve
Rear end contradicts the bushing on the front end of circular cone shape sealing ring, is distributed on the rear end of the bushing one-to-one with elastic arm
Notch, the front end of the notch are equipped with the guide part for drawing close the front end of elastic arm to center, and the front end of the connector sleeve is equipped with
The front end of the fastening upper shield of threaded connection, the bushing contradicts on the leading inside of fastening upper shield, the hose joint packet
Include the second tube body, mounting base, several connectors, several anti-lift-offs, fixing sleeve, sealing ring and clamping device, second tube body
Front end in be equipped with sealing ring, the rear end of first tube body tapered portion insertion sealing ring in, the inner wall of the sealing ring is tight
The outer wall of the tapered portion of the rear end of the first tube body is pasted, the centre of second tube body is equipped with mounting base, the rear end of the mounting base
The front end of clamping device equipped with clamping hose, the mounting base is equipped with connector, and the front end of the connector is equipped with merging
Anti- lift-off in first endless groove, is arranged with the fixing sleeve of threaded connection on the connector, the clamping device include pedestal,
Several clamping limbs, several fixed bodies and lock sleeve, the rear end of the mounting base are equipped with pedestal, and the rear end of the pedestal is equipped with clamping
Arm, the rear end of the clamping limb are equipped with fixed body, and second tube body is equipped with the second endless groove with fixed mates,
The lock sleeve of threaded connection is arranged on the pedestal, the clamping limb is located in lock sleeve, the rear end inner wall of the lock sleeve
Equipped with the taper guide wall that the rear end of clamping limb can be made to draw close to center, the internal diameter of the circular cone shape sealing ring slightly smaller than to be connected
Pvc pipe outer diameter, the Leading end chamfer of the through-hole of the circular cone shape sealing ring is formed with taper introduction part, the cone sealing
The big end outer diameter of circle is less than the outside diameter of conical portion, and the small end outer diameter of the circular cone shape sealing ring is greater than the small of conical portion
Hold diameter.
Preferably, the fixed body is arc convex, the outer wall of the lock sleeve is equipped with into the anti-skidding of circle-shaped distribution
Protrusion.
Preferably, the outer wall of the sealing ring is equipped with cricoid anticreep protrusion, the front inner wall of second tube body is set
There is the groove matched with anticreep protrusion.
Preferably, the anti-lift-off is arc convex, the outer wall of the fixing sleeve is equipped with into the anti-skidding of circle-shaped distribution
Protrusion.
Preferably, the end diameter of the conical portion is less than the outer diameter for the pvc pipe to be connected.
Preferably, the tapered face of back edge chamfering of the bushing, the outer diameter of the bushing and the internal diameter of connector sleeve
Equal, the internal diameter of the bushing is equal with the outer diameter for the pvc pipe to be connected.
Preferably, the internal diameter of the annular shape body is equal with the internal diameter of connector sleeve.
Preferably, the upper end of the elastic arm is low early and high after inclined-plane.
Beneficial effects of the present invention: when attended operation of the present invention, the tapered portion of the rear end of the first tube body is inserted into sealing ring
Interior, until anti-lift-off is placed in the first endless groove, then rotation fixing sleeve travels forward, until fixing sleeve is before connector
Hose is inserted into, until the second endless groove enters when hose joint is connect with hose in the rear end of second tube body by end
Hose, then fastens lock sleeve, and lock sleeve, to clamping limb active force, draws close the rear end of clamping limb to center by taper guide wall
And hose is pressed in the second endless groove by fixed body prevents from falling off, when pvc pipe connector is connect with pvc pipe, by pvc pipe
Bushing and circular cone shape sealing ring are inserted through until the insertion end of pvc pipe is by the rear end of conical portion from the rear end of fastening upper shield
Until blocking cannot be further continued for insertion, upper shield then is fastened in rotation, fastening upper shield drives bushing to be done into connector sleeve into fortune
Dynamic, bushing pushes circular cone shape sealing ring to move backward, and the outer wall of circular cone shape sealing ring is made to be close to conical portion, circular cone shape sealing ring
Inner wall be close to the outer wall of pvc pipe, when the front end of elastic arm enters guide part, the effect of the rear end of elastic arm in guide part
Lower to draw close to center, elastic arm drives fixed tooth to be pierced into the outer wall of pvc pipe, the fixation to pvc pipe 4 is realized, with prior art phase
Than being able to use conveniently, good reliability does not need tool auxiliary operation, suitable for the conversion connection between pvc pipe and hose.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of modified form conversion pipe fitting of the present invention；
Fig. 2 is the partial sectional view of pvc pipe connector.
In figure: 1-PVC pipe connector, 2- hose joint, 3- hose, 4-PVC pipe, 11- connector sleeve, 12- bushing, 13-
The fixed tooth of circular slot, 14- annular shape body, 15- elastic arm, 16-, 17- notch, 18- fasten upper shield, 19- conical portion, 110-
Guide part, 111- circular cone shape sealing ring, the first tube body of 112-, the first endless groove of 113-, 114- taper introduction part, 21- second are managed
Body, 22- mounting base, 23- connector, the anti-lift-off of 24-, 25- fixing sleeve, 26- sealing ring, 27- clamping device, 211- groove,
261- anticreep protrusion, 271- pedestal, 272- clamping limb, 273- fixed body, 274- lock sleeve, 275- taper guide wall, 276- second
Endless groove.
[specific embodiment]
Refering to fig. 1,2, a kind of modified form of the present invention converts pipe fitting, including pvc pipe connector 1 and with pvc pipe connector 1
The hose joint 2 being detachably connected, the pvc pipe connector 1 include connector sleeve 11, bushing 12, circular slot 13, annular shape
Body 14, several elastic arms 15, several fixed teeth 16, several notches 17, fastening upper shield 18, circular cone shape sealing ring 111 and the first pipe
Body 112, the rear portion of first tube body 112 are equipped with the first endless groove 113, and the front end of first tube body 112 is equipped with connector sleeve
11, the inner wall of the connecting pin of the connector sleeve 11 and the first tube body 112 is formed with conical portion 19, sets in the conical portion 19
There is the circular cone shape sealing ring 111 of outer wall fitting conical portion 19, the front of the inner wall of the connector sleeve 11 is equipped with circular slot 13,
The circular body 14 matched is equipped in the annular shape slot 13, the inner wall of the annular shape body 14 is evenly distributed with elastic arm
15, the front end of the elastic arm 15 is equipped with fixed tooth 16, is equipped with rear end in the connector sleeve 11 and contradicts in circular cone shape sealing ring
Bushing 12 on 111 front end, be distributed on the rear end of the bushing 12 with the one-to-one notch 17 of elastic arm 15, it is described to lack
The front end of mouth 17 is equipped with the guide part 110 for drawing close the front end of elastic arm 15 to center, and the front end of the connector sleeve 11 is equipped with spiral shell
The front end of the fastening upper shield 18 of line connection, the bushing 12 contradicts on the leading inside of fastening upper shield 18, the hose connection
First 2 include the second tube body 21, mounting base 22, several connectors 23, several anti-lift-offs 24, fixing sleeve 25, sealing ring 26 and clamping
Mechanism 27, sealing ring 26 is equipped in the front end of second tube body 21, and the tapered portion insertion of the rear end of first tube body 112 is close
In seal 26, the inner wall of the sealing ring 26 is close to the outer wall of the tapered portion of the rear end of the first tube body 112, second tube body 21
Centre be equipped with mounting base 22, the rear end of the mounting base 22 is equipped with the clamping device 27 of clamping hose 3, the mounting base 22
Front end is equipped with connector 23, and the front end of the connector 23 is equipped with the anti-lift-off 24 in the first endless groove 113 of merging, the company
It is arranged with the fixing sleeve 25 of threaded connection on junctor 23, the clamping device 27 includes pedestal 271, several clamping limbs 272, several
Fixed body 273 and lock sleeve 274, the rear end of the mounting base 22 are equipped with pedestal 271, and the rear end of the pedestal 271 is equipped with clamping
Arm 272, the rear end of the clamping limb 272 are equipped with fixed body 273, and second tube body 21 is equipped with to match with fixed body 273
The second endless groove 276 closed, the lock sleeve 274 of threaded connection is arranged on the pedestal 271, and the clamping limb 272 is located at lock
In fixed 274, the rear end inner wall of the lock sleeve 274 is equipped with the taper guide wall that the rear end of clamping limb 272 can be made to draw close to center
275, the fixed body 273 is arc convex, and the outer wall of the lock sleeve 274 is equipped with the anti-skid bulge at circle-shaped distribution, institute
The outer wall for stating sealing ring 26 is equipped with cricoid anticreep protrusion 261, and the front inner wall of second tube body 21 is equipped with and anticreep protrusion
261 grooves 211 matched, the anti-lift-off 24 are arc convex, and the outer wall of the fixing sleeve 25 is equipped with into circle-shaped distribution
Anti-skid bulge, the end diameter of the conical portion 19 is less than the outer diameter for the pvc pipe 4 to be connected, and the cone seals
The internal diameter of circle 111 is slightly smaller than the outer diameter for the pvc pipe 4 to be connected, the Leading end chamfer shape of the through-hole of the circular cone shape sealing ring 111
At there is taper introduction part 114, the big end outer diameter of the circular cone shape sealing ring 111 is less than the outside diameter of conical portion 19, described
The small end outer diameter of circular cone shape sealing ring 111 is greater than the end diameter of conical portion 19, the back edge chamfering of the bushing 12 at
The outer diameter of tapered surface, the bushing 12 is equal with the internal diameter of connector sleeve 11, the internal diameter of the bushing 12 and the pvc pipe to be connect
4 outer diameter is equal, and the internal diameter of the annular shape body 14 is equal with the internal diameter of connector sleeve 11, and the upper end of the elastic arm 15 is preceding low
High inclined-plane afterwards.
The course of work of the present invention:
During the work time, the tapered portion of the rear end of the first tube body 112 is inserted for a kind of modified form conversion pipe fitting of the present invention
Enter in sealing ring 26, until anti-lift-off 24 is placed in the first endless groove 113, then rotation fixing sleeve 25 travels forward, Zhi Daogu
Surely set 25, when hose joint 2 is connect with hose 3, the rear end of the second tube body 21 is inserted close to the front end of connector 23
Enter hose 3, until the second endless groove 276 enters hose 3, then fastening lock sleeve 274, lock sleeve 274 pass through taper guide wall
275 pairs of 272 active forces of clamping limb, draw close the rear end of clamping limb 272 to center and pass through fixed body 273 hose 3 is pressed in
Prevent from falling off in two endless grooves 276, when pvc pipe connector 1 is connect with pvc pipe 4, by pvc pipe 4 from fastening upper shield 18 rear end
Bushing 12 and circular cone shape sealing ring 111 are inserted through until the insertion end of pvc pipe 4 cannot by the rear end blocking of conical portion 19
Until being further continued for insertion, upper shield 18 then is fastened in rotation, fastening upper shield 18 drives bushing 12 to be done into connector sleeve 11 into fortune
Dynamic, bushing 12 pushes circular cone shape sealing ring 111 to move backward, and the outer wall of circular cone shape sealing ring 111 is made to be close to conical portion 19, circle
The inner wall of conical seal ring 111 is close to the outer wall of pvc pipe 4, when the front end of elastic arm 15 enters guide part 110, elastic arm
15 rear end is drawn close under the action of guide part 110 to center, and elastic arm 15 drives the outer wall of the fixed piercing of tooth 16 pvc pipe 4, real
Now to the fixation of pvc pipe 4, compared with prior art, it is able to use conveniently, good reliability does not need tool auxiliary operation, is applicable in
Conversion connection between pvc pipe and hose.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of modified form converts pipe fitting, it is characterised in that: and can with pvc pipe connector (1) including pvc pipe connector (1)
The hose joint (2) of dismantling connection, the pvc pipe connector (1) include connector sleeve (11), bushing (12), circular slot
(13), circular body (14), several elastic arms (15), several fixed teeth (16), several notches (17), fastening upper shield (18), circle
The rear portion of conical seal ring (111) and the first tube body (112), first tube body (112) is equipped with the first endless groove (113), institute
The front end for stating the first tube body (112) is equipped with connector sleeve (11), and the connector sleeve (11) is interior with the connecting pin of the first tube body (112)
Wall is formed with conical portion (19), the circular cone shape sealing ring equipped with outer wall fitting conical portion (19) in the conical portion (19)
(111), the front of the inner wall of the connector sleeve (11) is equipped with circular slot (13), is equipped with and matches in the annular shape slot (13)
Circular body (14), it is described annular shape body (14) inner wall be evenly distributed with elastic arm (15), before the elastic arm (15)
End is equipped with fixed tooth (16), and rear end is equipped in the connector sleeve (11) and is contradicted on the front end of circular cone shape sealing ring (111)
Bushing (12) is distributed on the rear end of the bushing (12) and elastic arm (15) one-to-one notch (17), the notch
(17) front end is equipped with the guide part (110) for drawing close the front end of elastic arm (15) to center, the front end of the connector sleeve (11)
The front end of fastening upper shield (18) equipped with threaded connection, the bushing (12) contradicts on the leading inside of fastening upper shield (18),
The hose joint (2) includes the second tube body (21), mounting base (22), several connectors (23), several anti-lift-offs (24), consolidates
It is fixed to cover (25), sealing ring (26) and clamping device (27), sealing ring (26) are equipped in the front end of second tube body (21), it is described
In tapered portion insertion sealing ring (26) of the rear end of first tube body (112), the inner wall of the sealing ring (26) is close to the first tube body
(112) centre of the outer wall of the tapered portion of rear end, second tube body (21) is equipped with mounting base (22), the mounting base (22)
Rear end be equipped with the clamping device (27) of clamping hose (3), the front end of the mounting base (22) is equipped with connector (23), the company
The front end of junctor (23) is equipped with the anti-lift-off (24) in merging the first endless groove (113), is arranged on the connector (23)
The fixing sleeve (25) of threaded connection, the clamping device (27) include pedestal (271), several clamping limbs (272), several fixed bodies
(273) and lock sleeve (274), the rear end of the mounting base (22) are equipped with pedestal (271), and the rear end of the pedestal (271) is equipped with
The rear end of clamping limb (272), the clamping limb (272) is equipped with fixed body (273), and second tube body (21) is equipped with and consolidates
Determine the second endless groove (276) that body (273) matches, the lock sleeve (274) of threaded connection be arranged on the pedestal (271),
The clamping limb (272) is located in lock sleeve (274), and the rear end inner wall of the lock sleeve (274), which is equipped with, can make clamping limb (272)
The taper guide wall (275) drawn close to center of rear end, the internal diameter of the circular cone shape sealing ring (111), which is slightly smaller than, to be connected
The Leading end chamfer of the outer diameter of pvc pipe (4), the through-hole of the circular cone shape sealing ring (111) is formed with taper introduction part (114), institute
The big end outer diameter for stating circular cone shape sealing ring (111) is less than the outside diameter of conical portion (19), the circular cone shape sealing ring (111)
Small end outer diameter be greater than conical portion (19) end diameter.
2. a kind of modified form as described in claim 1 converts pipe fitting, it is characterised in that: the fixed body (273) is arc
Protrusion, the outer wall of the lock sleeve (274) are equipped with the anti-skid bulge at circle-shaped distribution.
3. a kind of modified form as described in claim 1 converts pipe fitting, it is characterised in that: the outer wall of the sealing ring (26) is set
There is cricoid anticreep protrusion (261), the front inner wall of second tube body (21) is recessed equipped with matching with anticreep raised (261)
Slot (211).
4. a kind of modified form as described in claim 1 converts pipe fitting, it is characterised in that: the anti-lift-off (24) is that arc is convex
It rises, the outer wall of the fixing sleeve (25) is equipped with the anti-skid bulge at circle-shaped distribution.
5. a kind of modified form as described in claim 1 converts pipe fitting, it is characterised in that: the small end of the conical portion (19)
Diameter is less than the outer diameter of the pvc pipe to be connected (4).
6. a kind of modified form as described in claim 1 converts pipe fitting, it is characterised in that: the back edge of the bushing (12)
The outer diameter in the tapered face of chamfering, the bushing (12) is equal with the internal diameter of connector sleeve (11), the internal diameter of the bushing (12) and institute
The outer diameter of the pvc pipe to be connected (4) is equal.
7. a kind of modified form as described in claim 1 converts pipe fitting, it is characterised in that: the internal diameter of the annular shape body (14)
It is equal with the internal diameter of connector sleeve (11).
8. a kind of modified form as described in any one of claims 1 to 7 converts pipe fitting, it is characterised in that: the elastic arm
(15) upper end is low early and high after inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181624.3A CN106764171B (en) | 2016-12-20 | 2016-12-20 | A kind of modified form conversion pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181624.3A CN106764171B (en) | 2016-12-20 | 2016-12-20 | A kind of modified form conversion pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106764171A CN106764171A (en) | 2017-05-31 |
| CN106764171B true CN106764171B (en) | 2019-10-01 |
Family
ID=58889400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611181624.3A Expired - Fee Related CN106764171B (en) | 2016-12-20 | 2016-12-20 | A kind of modified form conversion pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106764171B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717775A (en) * | 2019-03-02 | 2019-05-07 | 厦门大白科技有限公司 | A kind of mounting structure and installation method of shower lifting pole |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1549792A (en) * | 1976-08-06 | 1979-08-08 | Nippon Oil Seal Ind Co Ltd | Rubber hose connector and compression type pipe fitting |
| EP0224188B1 (en) * | 1985-11-28 | 1989-11-02 | Mitsui & Co., Ltd. | A seal joint structure |
| CN2371422Y (en) * | 1998-11-10 | 2000-03-29 | 诸暨市枫叶钢塑管业有限公司 | Large diameter pipe joint |
| CN201412621Y (en) * | 2009-04-13 | 2010-02-24 | 张翼鹏 | Two-way sealed pull-out-resistant insertion type quick connector |
| CN201795202U (en) * | 2010-08-05 | 2011-04-13 | 谭成富 | Quick connector for connecting soft pipe and hard pipe |
| ITRN20110078A1 (en) * | 2011-11-11 | 2013-05-12 | Bucchi S R L | CONNECTION DEVICE FOR FLEXIBLE PIPES. |
-
2016
- 2016-12-20 CN CN201611181624.3A patent/CN106764171B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106764171A (en) | 2017-05-31 |
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Granted publication date: 20191001 Termination date: 20211220 |