CN106322018A - Adapter assembly capable of preventing hoses from shedding accidentally - Google Patents
Adapter assembly capable of preventing hoses from shedding accidentally Download PDFInfo
- Publication number
- CN106322018A CN106322018A CN201610987460.7A CN201610987460A CN106322018A CN 106322018 A CN106322018 A CN 106322018A CN 201610987460 A CN201610987460 A CN 201610987460A CN 106322018 A CN106322018 A CN 106322018A
- Authority
- CN
- China
- Prior art keywords
- hole
- tail core
- steel pipe
- seamless steel
- adapter
- 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.)
- Granted
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides an adapter assembly capable of preventing hoses from shedding accidentally and relates to adapter assemblies for hydraulic equipment. The adapter assembly particularly comprises a flange ring, a seamless steel pipe, a tail core and an adapter, wherein the seamless steel pipe is connected between the flange ring and the tail core, the tail core is fixedly welded with one end of the seamless steel pipe by means of friction welding, the other end of the friction welding is fixedly welded with the flange ring by means of friction welding, the adapter is provided with a clamping stop strip, the tail core is provided with a groove, and the clamping stop strip matches with the groove to enable the adaptor to be connected with the tail core. The adapter assembly capable of preventing the hoses from shedding accidentally has the advantages that the adapter assembly can adapt to different sizes of hoses through the design of the adapter, and can be reliably connected with one hose modified in size by replacement of the adaptor; with structural optimization design, the adapter assembly is more convenient to match with external rubber hoses and sleeves more conveniently.
Description
Technical field
The present invention relates to field of hydraulic equipment, anticipate in particular to a kind of flexible pipe that prevents that can be used on hydraulic test
The adapter component come off outward.
Background technology
Adapter component is a kind of vitals connecting hydraulic test and rubber hose, and it generally comprises as holistic
Hose connection section, for the fixing connectivity port that is screwed in hydraulic test screwed hole, it is generally the case that the connection of hose connection section
Port be provided with fixing device to prevent flexible pipe from hose connection section of landing, but when fixing device for installing, comparatively laborious, wave
Take the substantial amounts of working time.
Also been proposed a kind of hose connection section in prior art, it employed technical scheme comprise that, in hose connection section with
Hose connection port is provided around array anticreep, and the outer face the most often organizing anticreep is obliquely installed, and is connecting hydraulic pressure
It is provided with retainer ring on the fixing connectivity port of equipment, is connected with folder lid by torsionspring the most respectively in retainer ring, passes through
Folder lid makes flexible pipe be connected reliably with adapter component with anticreep, but uses the device of this structure can not realize flexible pipe
Fast Installation and disengaging, and relevant hose size must match with hose connection section on adaptor, in order to avoid flexible pipe and company
The section of connecing can not be reliably connected.
Therefore, it is necessary to the structure of existing adapter component is further improved, to overcome above-mentioned technological deficiency.
Summary of the invention
Present invention aim at providing one hose connection reliably, and a kind of preventing for hydraulic test of clamping
The adapter component that flexible pipe surprisingly comes off.
The above-mentioned purpose of the present invention is realized by the technical characteristic of independent claims, and dependent claims is with alternative or has
The mode of profit develops the technical characteristic of independent claims.
For reaching above-mentioned purpose, the technical solution used in the present invention is as follows:
A kind of adapter component preventing flexible pipe from surprisingly coming off, this adapter component includes flange ring, seamless steel pipe, tail
Core, adapter, wherein said seamless steel pipe is arranged between flange ring and tail core, and tail core welds with one end friction welding (FW) of seamless steel pipe
Connect and be fixed together, together with the other end of seamless steel pipe and flange ring are welded and fixed by friction welding (FW)；
Described tail core closes on one end of seamless steel pipe, and it is externally formed with an arc edge, itself and one end of seamless steel pipe
Friction welding (FW) welds together, and the part that tail core is connected with this arc edge forms the multidiameter of a protrusion, and tail core is away from seamless
Being formed with a pawl between outer face and the multidiameter of one end of steel pipe, the profile of tooth of described pawl is towards the side of described seamless steel pipe
To, and profile of tooth angle is 30 °～60 °；
Being provided with a groove between pawl and multidiameter, described groove is by a base and two the side shapes being attached thereto
Becoming, the internal orifice position of its insole binding and two side link positions forms circular sliding slopes, wherein near one end of seamless steel pipe
The vertical dimension of the upper surface opposing bottom edge of side is vertical more than the upper surface opposing bottom edge of one end side away from seamless steel pipe
Straight distance；
Described adapter is provided with tail core linkage section and hose connection section, and described tail core linkage section is internally provided with first and leads to
Hole, described hose connection intrasegmental part is provided with the second through hole, and wherein the diameter of the first through hole is more than the diameter of the second through hole；
Described tail core linkage section is evenly distributed with multiple first through hole on excircle, sets in described first through hole
Being equipped with connecting portion, described connecting portion is positioned at the first through hole through the first through hole, described connecting portion and setting recessed on tail core
Groove matches；
Wherein, described connecting portion includes dead ring, guide pillar, locking bar, spring, wherein:
Described dead ring is socketed on tail core linkage section, and dead ring is provided with second relative with the first through hole position
Through hole, is provided with guide pillar in described first through hole and the second through hole, the top of described guide pillar is provided with a step, described
The size of step is more than the size of the second through hole；It is positioned on the guide pillar of dead ring and tail core linkage section and is socketed with spring, described
One end of spring contacts with dead ring, and the other end of spring contacts with tail core linkage section；The bottom of described guide pillar is passed through through first
Perforation is hinged with locking bar, and described locking bar and the groove of setting on tail core are in the state of being contacting and separating；
Described hose connection section is provided with the first external thread section near tail core linkage section, connects at the first external thread section and flexible pipe
Being provided with the second external thread section between the front end face of the section of connecing, described second external thread section is taper thread, and the first external thread section and
Second external thread section rotation direction is inconsistent；
Being socketed with flexible pipe on described hose connection section, described flexible pipe connects the first nut and the second nut, Qi Zhong
One nut and the first external thread section match, and the second nut and the second external thread section match.
Further, aforesaid first external screw thread is trapezoidal thread.
Further, the body part of aforesaid second through hole and adapter forms an intermediate incline, this inclined-plane and the
The angle of two-way bore edges line is 45 °.
Further, aforesaid first external screw thread is right-handed thread, and the second external screw thread is left hand thread.
Further, the size being smaller in size than multidiameter of aforesaid first through hole.
Further, aforesaid flange ring includes a flange ring body and flange ring body is integral part of inclines with this
Tiltedly transition part, together with the other end of this slope transitions and seamless steel pipe is welded and fixed by friction welding (FW), described flange ring
Body, the interior bone of slope transitions are of the same size with the pore of described seamless steel pipe.
Further, the inclination angle value of the slope transitions of aforesaid flange ring is in the range of 30-80 °.
Further, the inclination angle value of the slope transitions of aforesaid flange ring is 62 °.
Further, the front end face of the body of aforesaid flange ring is additionally provided with at least one cannelure.
The adapter component that the present invention proposes, by connection adaptor on tail core, the flexible pipe made is sized to basis
Use environment is adjusted, it is to avoid if hose size can not adjust in prior art, to adjust hose size, then need by
Flange ring, seamless steel pipe, tail core are replaced together, waste more serious, and by structure optimization, enable adapter quickly and tail
Core connects and separates, and connects reliable；Owing to being provided with the screw thread of two different rotation directions on adapter, enable flexible pipe reliable
It is connected on adapter, when there are vibrations, due to rotation direction contrary, so under any circumstance can protect of two screw threads
Demonstrate,prove one of them nut to be reliably connected with adapter, make the flexible pipe will not landing from adapter.
As long as should be appreciated that all combinations of aforementioned concepts and the extra design described in greater detail below are at this
A part for the subject matter of the disclosure is can be viewed as in the case of the design of sample is the most conflicting.It addition, required guarantor
All combinations of the theme protected are considered as a part for the subject matter of the disclosure.
Foregoing and other aspect, the reality that present invention teach that can be more fully appreciated with from the following description in conjunction with accompanying drawing
Execute example and feature.The feature of other additional aspect such as illustrative embodiments of the present invention and/or beneficial effect will be below
Description in obvious, or by learning according in the practice of detailed description of the invention that present invention teach that.
Accompanying drawing explanation
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, each identical or approximately uniform group illustrated in each figure
One-tenth part can be indicated by the same numeral.For clarity, in each figure, the most each ingredient is the most labeled.
Now, by by example embodiment that various aspects of the invention are described in reference to the drawings, wherein:
Fig. 1 is the structural representation of adapter component.
Fig. 2 is the structural representation of tail core.
Fig. 3 is the structural representation of adapter.
The structural representation of the connecting portion that Fig. 4 is disposed in adapter.
Detailed description of the invention
In order to know more about the technology contents of the present invention, especially exemplified by specific embodiment and coordinate institute's accompanying drawings to be described as follows.
Each side the most with reference to the accompanying drawings to describe the present invention, the embodiment illustrated shown in the drawings of many.
Embodiment of the disclosure and must not be intended to include all aspects of the invention.Should be appreciated that multiple design presented hereinbefore and reality
Execute example, and those designs of describing in more detail below and embodiment can in many ways in any one comes real
Execute, this is because design disclosed in this invention and embodiment are not limited to any embodiment.It addition, disclosed by the invention one
A little aspects can be used alone, or otherwise any appropriately combined uses with disclosed by the invention.
As shown in figures 1-4, preventing the adapter component that flexible pipe surprisingly comes off, this adapter component includes flange ring 1, nothing
Seam steel pipe 2, tail core 3, adapter 4, wherein said seamless steel pipe 2 is arranged between flange ring 1 and tail core 3, tail core 3 and seamless steel
One end friction welding (FW) of pipe 2 is welded and fixed together, and the other end of seamless steel pipe 2 is weldingly fixed on by friction welding (FW) with flange ring 1
Together.
As in figure 2 it is shown, described tail core 3 closes on one end of seamless steel pipe 2, it is externally formed with an arc edge 3a, its with
One end friction welding (FW) of seamless steel pipe 2 welds together, and the part that tail core 3 is connected with this arc edge 3a forms the rank of a protrusion
Ladder axle 3d, tail core 3 is away from being formed with a pawl 3c, described pawl between outer face and the multidiameter 3d of one end of seamless steel pipe 2
The profile of tooth of 3c is towards the direction of described seamless steel pipe 2, and profile of tooth angle is 30 °～60 °, it is preferred that described profile of tooth angle is
45°。
A groove 3b, described groove 3b it is provided with by a base and two be attached thereto between pawl 3c and multidiameter 3d
Individual side is formed, and the internal orifice position of its insole binding and two side link positions forms circular sliding slopes, wherein near seamless steel pipe 2
The vertical dimension of upper surface opposing bottom edge of side of one end relative more than the upper surface of one end side away from seamless steel pipe 2
The vertical dimension on base, enables locking bar 7b to contact reliably with groove 3b, makes adapter 4 be reliably connected with tail core 3.
As preferred embodiment, the pawl 3c side away from tail core 3 end face one end and the end side away from seamless steel pipe 2
Limit can be limit, the same side, has saved material, has decreased difficulty of processing.
As it is shown on figure 3, described adapter 4 is provided with tail core linkage section 4a and hose connection section of 4b, described tail core linkage section
4a is internally provided with the first through hole, and described hose connection section of 4b is internally provided with the second through hole, and wherein the diameter of the first through hole is big
Diameter in the second through hole.
Described tail core linkage section 4a is evenly distributed with multiple first through hole 4a-1 on excircle, and described first runs through
Being provided with connecting portion 7 in the 4a-1 of hole, described connecting portion 7 is positioned at the first through hole, described connecting portion 7 through the first through hole 4a-1
Match with the groove 3b arranged on tail core 3；
Wherein, as shown in Figure 4, described connecting portion 7 includes dead ring 7c, guide pillar 7a, locking bar 7b, spring 7d, reset bullet
Spring 7e, wherein:
Described dead ring 7c is socketed on tail core linkage section 4a, dead ring 7c is provided with and the first through hole 4a-1 position
The second relative through hole, is provided with guide pillar 7a in described first through hole 4a-1 and the second through hole, described guide pillar 7a's is upper
Portion is provided with a step, and the size of described step is more than the size of the second through hole；It is positioned at dead ring 7c and tail core linkage section 4a
Guide pillar 7a on be socketed with spring 7d, one end of described spring 7d contacts with dead ring 7c, and the other end of spring 7d and tail core are even
The section of connecing 4a contacts；The bottom of described guide pillar 7a is hinged with locking bar 7b, described locking bar 7b and tail through the first through hole 4a-1
The groove 3b arranged on core 3 is in the state of being contacting and separating；
Being provided with back-moving spring 7e on described guide pillar 7a and locking bar 7b, one end of described back-moving spring 7e is with guide pillar 7a even
Connecing, the other end of back-moving spring 7e is connected with locking bar 7b, and described back-moving spring 7e makes shape between guide pillar 7a and locking bar 7b
Having angle, the incline direction of described locking bar 7b is identical with the incline direction of pawl 3c, as preferably, and described locking bar 7b
The angle that guide pillar 7a extends relatively is 60 °.
Described hose connection section of 4b is provided with the first external thread section 4b-1, at the first external thread section near tail core linkage section 4a
The second external thread section 4b-2, described second external thread section 4b-2 it is provided with for cone between the front end face of 4b-1 and hose connection section of 4b
Screw thread, and the first external thread section 4b-1 and the second external thread section 4b-2 rotation direction inconsistent, the second external screw thread 4b-2 is taper thread, makes
Flexible pipe can quickly be socketed on adapter 4；When there are vibrations, threaded loosening, due to the first external thread section 4b-1
Inconsistent with the rotation direction of the second male end 4b-2, the most necessarily have one threaded increasingly tighter, make flexible pipe and adapter 4
Connection reliable.
Being socketed with flexible pipe on described hose connection section of 4b, described flexible pipe connects the first nut 5 and the second nut 6, its
In the first nut 5 match with the first external thread section 4b-1, the second nut 6 matches with the second external thread section 4b-2.
As preferably, described first external screw thread 4b-1 is trapezoidal thread, owing to the section of screw thread is trapezoidal, and this profile of tooth
Screw thread make the flexible pipe preferably with the connection of adapter, it is to avoid triangle thread can puncture flexible pipe, and rectangular thread flexible pipe is even
Connect yielding shortcoming.
An intermediate incline, this inclined-plane and the second through hole edge is formed between described second through hole and the front end face of adapter
The angle of line is 45 °.
In further embodiment, described first external screw thread 4b-1 is right-handed thread, and the second external screw thread 4b-2 is left-handed spiral shell
Stricture of vagina, due to the right-handed thread of conventional screw thread, the second external screw thread 4b-2 is that left hand thread prevents maloperation, causes flexible pipe landing.
In further embodiment, described flange ring 1 include a flange ring body and with this flange ring body one
The slope transitions formed, together with the other end of this slope transitions and seamless steel pipe 2 is welded and fixed by friction welding (FW), described
Flange ring body, the interior bone of slope transitions are of the same size with the pore of described seamless steel pipe 2.
In further embodiment, the inclination angle value of the slope transitions of described flange ring 1, in the range of 30-80 °, is inclined
Tiltedly the inclination angle of transition part ranges preferably from 62 °, facilitates welding of flange ring 1 and seamless steel pipe 2.
In further embodiment, the front end face of the body of described flange ring 1 is additionally provided with at least one cannelure, should
Being provided with sealing ring in cannelure, described sealing ring makes to seal reliably between flange ring 1 and hydraulic test.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.Skill belonging to the present invention
Art field has usually intellectual, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Cause
This, protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (9)
1. the adapter component preventing flexible pipe from surprisingly coming off, it is characterised in that this adapter component includes flange ring, seamless
Steel pipe, tail core, adapter, wherein said seamless steel pipe is arranged between flange ring and tail core, tail core and one end of seamless steel pipe
Friction welding (FW) is welded and fixed together, together with the other end of seamless steel pipe and flange ring are welded and fixed by friction welding (FW)；
Described tail core closes on one end of seamless steel pipe, and it is externally formed with an arc edge, and it rubs with one end of seamless steel pipe
Weldering welds together, and the part that tail core is connected with this arc edge forms the multidiameter of a protrusion, and tail core is away from seamless steel pipe
One end outer face and multidiameter between be formed with a pawl, the profile of tooth of described pawl towards the direction of described seamless steel pipe,
And profile of tooth angle is 30 °～60 °；
Being provided with a groove between pawl and multidiameter, described groove is formed by a base and two sides being attached thereto,
The internal orifice position of its insole binding and two side link positions forms circular sliding slopes, wherein near the side of one end of seamless steel pipe
Upper surface opposing bottom edge vertical dimension more than away from seamless steel pipe one end side upper surface opposing bottom edge vertical away from
From；
Described adapter is provided with tail core linkage section and hose connection section, and described tail core linkage section is internally provided with the first through hole,
Described hose connection intrasegmental part is provided with the second through hole, and wherein the diameter of the first through hole is more than the diameter of the second through hole；
Described tail core linkage section is evenly distributed with multiple first through hole on excircle, is provided with in described first through hole
Connecting portion, described connecting portion is positioned at the first through hole, described connecting portion and the groove phase of setting on tail core through the first through hole
Coordinate；
Wherein, described connecting portion includes dead ring, guide pillar, locking bar, spring, wherein:
Described dead ring is socketed on tail core linkage section, dead ring is provided with second relative with the first through hole position and runs through
Hole, is provided with guide pillar in described first through hole and the second through hole, the top of described guide pillar is provided with a step, described step
Size more than the size of the second through hole；It is positioned on the guide pillar of dead ring and tail core linkage section and is socketed with spring, described spring
One end contact with dead ring, the other end of spring contacts with tail core linkage section；The bottom of described guide pillar passes the first through hole
Being hinged with locking bar, described locking bar and the groove of setting on tail core are in the state of being contacting and separating；
Described hose connection section is provided with the first external thread section near tail core linkage section, the first external thread section and hose connection section
Front end face between be provided with the second external thread section, described second external thread section is taper thread, and the first external thread section and second
External thread section rotation direction is inconsistent；
Being socketed with flexible pipe on described hose connection section, described flexible pipe connects the first nut and the second nut, wherein the first spiral shell
Mother matches with the first external thread section, and the second nut and the second external thread section match.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 1, it is characterised in that described first outer spiral shell
Stricture of vagina is trapezoidal thread.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 1, it is characterised in that described second through hole
Forming an intermediate incline with the front end face of adapter, the angle of this inclined-plane and the second through hole edge line is 45 °.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 1, it is characterised in that described first outer spiral shell
Stricture of vagina is right-handed thread, and the second external screw thread is left hand thread.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 1, it is characterised in that described first through hole
The size being smaller in size than multidiameter.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 1, it is characterised in that described flange ring bag
Include a flange ring body and with this integral part of slope transitions of flange ring body, this slope transitions and seamless steel pipe
The other end be welded and fixed together by friction welding (FW), described flange ring body, interior bone and the described nothing of slope transitions
The pore of seam steel pipe is of the same size.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 6, it is characterised in that described flange ring
The inclination angle value of slope transitions is in the range of 30-80 °.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 1, it is characterised in that described flange ring
The inclination angle value of slope transitions is 62 °.
The adapter component preventing flexible pipe from surprisingly coming off the most according to claim 1, it is characterised in that described flange ring
At least one cannelure it is additionally provided with on the front end face of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987460.7A CN106322018B (en) | 2016-11-10 | 2016-11-10 | Prevent the adapter component that hose surprisingly falls off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987460.7A CN106322018B (en) | 2016-11-10 | 2016-11-10 | Prevent the adapter component that hose surprisingly falls off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106322018A true CN106322018A (en) | 2017-01-11 |
| CN106322018B CN106322018B (en) | 2019-07-26 |
Family
ID=57816979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610987460.7A Active CN106322018B (en) | 2016-11-10 | 2016-11-10 | Prevent the adapter component that hose surprisingly falls off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106322018B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451224A (en) * | 2022-09-20 | 2022-12-09 | 中国建筑土木建设有限公司 | Connecting assembly for municipal water supply pipe and using method thereof |
| CN116734066A (en) * | 2023-08-15 | 2023-09-12 | 南通海王消防水带有限公司 | Fire control connects |
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| JP2004036676A (en) * | 2002-07-01 | 2004-02-05 | Nippon Flex Kk | Hose connector |
| JP2005221013A (en) * | 2004-02-06 | 2005-08-18 | Toa Kokyu Tsugite Valve Seizo Kk | Pipe fitting |
| CN201487443U (en) * | 2009-07-23 | 2010-05-26 | 广州市汉普密封件有限公司 | Quick-mounting joint |
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| CN204284748U (en) * | 2014-12-11 | 2015-04-22 | 温州市索特医药化工工程有限公司 | A kind of hose coupling |
| CN105114735A (en) * | 2015-08-18 | 2015-12-02 | 河南省高压电器研究所 | Pipe connector and pipe connector assembly |
| CN206988620U (en) * | 2016-11-10 | 2018-02-09 | 南京九致信息科技有限公司 | Prevent the adapter component that flexible pipe surprisingly comes off |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004036676A (en) * | 2002-07-01 | 2004-02-05 | Nippon Flex Kk | Hose connector |
| JP2005221013A (en) * | 2004-02-06 | 2005-08-18 | Toa Kokyu Tsugite Valve Seizo Kk | Pipe fitting |
| CN201487443U (en) * | 2009-07-23 | 2010-05-26 | 广州市汉普密封件有限公司 | Quick-mounting joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451224A (en) * | 2022-09-20 | 2022-12-09 | 中国建筑土木建设有限公司 | Connecting assembly for municipal water supply pipe and using method thereof |
| CN116734066A (en) * | 2023-08-15 | 2023-09-12 | 南通海王消防水带有限公司 | Fire control connects |
| CN116734066B (en) * | 2023-08-15 | 2023-12-19 | 南通海王消防水带有限公司 | Fire control connects |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106322018B (en) | 2019-07-26 |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 201, Jindi Mingge, 91 shuangpaishi street, Gaochun District, Nanjing City, Jiangsu Province Patentee after: NANJING JOOZ INFORMATION SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 210012 Jiangsu Province, Yuhuatai District, software Avenue, No. 106 blue chip Valley A block, floor 3, Patentee before: NANJING JOOZ INFORMATION SCIENCE & TECHNOLOGY Co.,Ltd. |