CN208845923U - Ventilation shaft connector - Google Patents
Ventilation shaft connector Download PDFInfo
- Publication number
- CN208845923U CN208845923U CN201821002443.4U CN201821002443U CN208845923U CN 208845923 U CN208845923 U CN 208845923U CN 201821002443 U CN201821002443 U CN 201821002443U CN 208845923 U CN208845923 U CN 208845923U
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- CN
- China
- Prior art keywords
- flexible hose
- corrugated flexible
- round tube
- nozzle
- spiral cover
- 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.)
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- 238000009423 ventilation Methods 0.000 title claims abstract description 16
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 9
- 244000152100 Sorbus torminalis Species 0.000 claims description 9
- 230000000750 progressive effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 15
- 238000009434 installation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 208000003044 Closed Fractures Diseases 0.000 description 1
- 208000007356 Fracture Dislocation Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 235000010599 Verbascum thapsus Nutrition 0.000 description 1
- 244000178289 Verbascum thapsus Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Catching Or Destruction (AREA)
Abstract
The utility model belongs to the pipe fitting field in mechanical engineering, more particularly to the ventilation shaft connector in a kind of application indoors finishing, specifically include that round tube, round tube outer diameter are slightly less than corrugated flexible hose internal diameter, and one end of round tube is nozzle, and is coaxially embedded in inside the interface end of corrugated flexible hose；Compacting part, compacting part are ring structure, and are nested on the outside of the interface end of corrugated flexible hose, and radial compress interface end is fitted in nozzle lateral wall；Compacting part is fixed in locking member, locking member, and compacting part is promoted to carry out radial pressure to the interface end of corrugated flexible hose.The purpose of this utility model is that being attached sealing to the interface of corrugated flexible hose and the nozzle of round tube by locking member and compacting part, drawback inconvenient in conventional coupling arrangement is solved.
Description
Technical field
The utility model belongs to the pipe fitting field in mechanical engineering, and in particular to a kind of to apply leading in finishing indoors
Air piping connector, such as integrated kitchen range, kitchen ventilator, air-conditioning air diffuser and send exhaust fan.
Background technique
Ripple vent hose is in connection, toilet ventilation fan and the air draft being used between kitchen smoke machine and check (non-return) valve in house ornamentation
Mouthful connection, air-conditioned room the connection of air blower and air diffuser also have between corrugated flexible hose often while according to pipe design
Dock situation.And in the connection type of common corrugated flexible hose interface end, often through tape method, screw method, nylon cable tie,
Clip is attached fixation.
However due to arranging the narrow space in corrugated flexible hose road, in pipeline connection procedure, and inconvenience is to pipeline back side
Region be attached construction, therefore happen occasionally it is poorly sealed, be not connected firmly by the phenomenon that generation, while its construction time compared with
Length reduces working efficiency.
Utility model content
The purpose of this utility model is to provide a kind of ventilation shaft connector, need to only construct in the side of pipeline,
Sealing can be attached to the interface end in corrugated flexible hose road by locking member and compacting part, promote the same of working efficiency
When, it is ensured that the reliability of connection.
To achieve the above object, a kind of ventilation shaft connector specifically includes that round tube, round tube outer diameter are slightly less than ripple
Inner diameter, and one end of round tube is nozzle, and is coaxially embedded in inside the interface end of corrugated flexible hose；Compacting part, compressed part
Part is ring structure, and is nested on the outside of the interface end of corrugated flexible hose, and radial compress interface end is fitted on the outside of nozzle
Wall；Compacting part is fixed in locking member, locking member, and compacting part is promoted to carry out diameter to the interface end of corrugated flexible hose
To pressure.
Preferably, locking member is that coaxial spaced is nested in the thread barrel on the outside of the interface end of corrugated flexible hose, and is formed and opened
The annular space put, annular space are interior big outer small band taper space, and thread barrel is axially extending to separate corrugated flexible hose direction,
And it is connected and fixed by connecting plate and round tube lateral wall, the lateral wall of thread barrel is equipped with external screw thread；Compacting part is in for section
The flexible ring of wedge shape, one end that flexible ring is located at wedge-shaped small end is thin end face, is thick end face positioned at one end of wedge-shaped big end；It is flexible
Ring is nested at the interface end of corrugated flexible hose, and the small end face insertion thread barrel of flexible ring and the interface end of corrugated flexible hose are formed
Annular space in；Further include spiral cover, spiral cover is tubular setting, and inner sidewall be equipped with in the cooperation of the external screw thread of thread barrel
Screw thread, inner sidewall of the spiral cover close to corrugated flexible hose one end are equipped with radial to the interface extreme direction of corrugated flexible hose extension cover rim, cover rim
It is engaged with the thick end face of flexible ring.
Preferably, tube ends are arranged symmetrically.
Preferably, round tube is equipped at intervals with several antislip cogs being circumferentially arranged far from one end of nozzle.
Preferably, the lateral wall of the one end of round tube far from nozzle is equipped with to the mounting plate extended outside four, and mounting plate is in rectangle
Setting, and mounting plate edge is evenly distributed with several mounting holes.
Preferably, the lateral wall of the interface end overlapping region of round tube and corrugated flexible hose is circumferentially with expansion slope, and round tube is logical
It crosses circumferential expansion slope and forms the progressive mouth for having taper, outer diameter of the progressive mouth close to corrugated flexible hose one end is less than far from ripple
The outer diameter of hose one end.
Preferably, including fast connection mechanism, quick connection structure include the fracture that any side of spiral cover is arranged in the axial direction, and
And spiral cover generally elasticity setting；It further include the hook and the separate hook of fracture that connection is arranged on the outside of fracture any end
The link of one end, hook, which hooks to match to merge with link, is closed fracture.
Preferably, including positioning track, positioning track include that one section of circumferential connection is arranged in fracture any end lateral wall
Hollow pipeline and one section of connection setting fracture far from hollow pipeline one end, the contact pin that is circumferentially extended into hollow pipeline；It inserts
Needle is slidably matched with hollow pipeline, for preventing fracture dislocation movement.
Preferably, spiral cover outer side wall surface is equipped with anti-skid chequer.
The utility model has the beneficial effects that by operate locking member promote compacting part make the interface end of corrugated flexible hose with
Connector cooperation does not need other auxiliary tools and work consumptive material without using adhesive tape, screw, band and clip during being somebody's turn to do,
Installation operation can be carried out in small space, while simplifying installation steps, saved the construction time, improved working efficiency,
Thoroughly prevent the race gas leakage generated in equipment use.
Spiral cover in locking member inwardly squeezes the flexible seal ring in compacting part under threaded function, and forces wave
Line hose connection end is closely fitted on the outside of round tube, is reached sealing tightly, is connected firm effect.
Connector therein can be that it is soft to can be used as ripple when tube ends are identical setting for the exclusive customization of multiple use
The docking connector at interface tube end；When round tube is mounting plate far from nozzle one end, it can be used for the installation of check (non-return) valve or air diffuser
Mouthful；When round tube is equipped with circumferential anti-sliding rib far from nozzle one end, heat-melting butt-joint can be carried out with other hard tube tubing.
The spiral cover of connector is Quick Release setting, releases the matching relationship of screw thread by fracture in elastic range, is realized
It is quickly moved axially on thread barrel, to play quickly across the purpose of invalid threaded area, the installation for improving spiral cover is torn open
Unload speed.
Screw thread correct position when the positioning track constraint spiral cover expansion of spiral cover setting is restored again, prevents spiral cover from grinding one's teeth.
Spiral cover incision position realizes the locking purpose of spiral cover by hook and link, prevents from breaking caused by rotating tension because of spiral cover
The autonomous expansion of mouth.
In order to keep spiral cover installation rotation convenient, spiral cover lateral wall is equipped with antiskid thread, so that when can be manually rotated more
Smoothly, it is not easy to skid, ensures the dynamics of combining.
In order to eliminate the free clearance of connector nozzle outer diameter Yu corrugated flexible hose interface end internal diameter, annular space is equipped with outer small
Interior big taper, when vent hose entangles connector nozzle, under the action of spiral cover, the flexible seal ring and annular of pushing are empty
Between taper slope surface combine closely, guarantee connection air-tightness.
Detailed description of the invention
Fig. 1 is the utility model section view；
Fig. 2 is the utility model component explosive view；
Fig. 3 is the docking setting of the utility model hard tube；
Fig. 4 is the connection setting of the utility model hose；
Fig. 5 is that the connection of the utility model wall mount is arranged；
Fig. 6 is that the utility model installs exploded view；
Fig. 7 is the utility model spiral cover incision position partial schematic diagram；
Fig. 8 is the utility model round tube interface details portion schematic diagram；
Fig. 9 is the utility model spiral cover anti-skid chequer schematic diagram.
Wherein: 1, round tube；2, corrugated flexible hose；3, interface end；4, nozzle；5, thread barrel；6, annular space；7, connecting plate；
8, external screw thread；9, flexible ring；10, spiral cover；11, internal screw thread；12, cover rim；13, antislip cog；14, mounting plate；18, fracture；21,
Hollow pipeline；22, contact pin；23, anti-skid chequer；24, slope is tightened；25, slope is expanded.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model is described in detail.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of ventilation shaft connector specifically includes that round tube 1, outside round tube 1
Diameter is slightly less than 2 internal diameter of corrugated flexible hose, and 1 any end of round tube is nozzle 4, and is coaxially embedded in the interface end 3 of corrugated flexible hose 2
Portion；Compacting part, compacting part are ring structure, and are nested in the outside of interface end 3 of corrugated flexible hose 2, and radial by interface
End 3 compresses and is fitted in 4 lateral wall of nozzle；Compacting part is fixed in locking member, locking member, and promotes compacting part
Radial pressure is carried out to the interface end 3 of corrugated flexible hose 2.
First locking member, compacting part are successively nested in outside the interface end 3 in corrugated flexible hose road, by corrugated flexible hose 2
Interface end 3 is socketed at nozzle 4, and at this time by the cooperation of locking member and former pipe, 4 direction of nozzle squeezes compacting part, pressing
Under the squeezing action of tight component, the interface end 3 of corrugated flexible hose 2 is firmly squeezed on 4 lateral wall of nozzle, and reaches sealing knot
The purpose of conjunction.
As a preferred embodiment, in order to improve the locking force of locking member, 4 outer, coaxial interval nesting of nozzle is equipped with spiral shell
Line cylinder 5 is equipped with tightening slope 24 on the inside of thread barrel 5 and forms the small annular space 6 of outer imperial palace with nozzle 4, and thread barrel 5 is to separate
2 direction of corrugated flexible hose is axially extending, and is connected and fixed by connecting plate 7 and round tube lateral wall, and the lateral wall of thread barrel 5 is set
There is external screw thread 8；Meanwhile compacting part is the wedge shaped flexible ring 9 of section, one end that flexible ring 9 is located at wedge-shaped small end is Bao Duan
Face is thick end face positioned at one end of wedge-shaped big end；Flexible ring 9 is nested at the interface end 3 of corrugated flexible hose 2, and flexible ring 9
Small end face insertion thread barrel 5 and corrugated flexible hose 2 interface end 3 formed annular space 6 in；It further include spiral cover 10, spiral cover 10
It is arranged for tubular, and inner sidewall is equipped with the internal screw thread 11 cooperated with the external screw thread 8 of thread barrel 5, spiral cover 10 is close to corrugated flexible hose 2
The inner sidewall of one end is equipped with radial to 3 direction of interface end of corrugated flexible hose 2 extension cover rim 12, the thick end of cover rim 12 and flexible ring 9
Face contact cooperation.When screwing spiral cover 10, the cover rim 12 connecting with spiral cover 10 pushes the rear end of flexible ring 9 towards annular space 6
Interior indentation carries out flexible deformation, and apply to 3 lateral wall of the interface end of corrugated flexible hose 2 under the constraint of 5 inner sidewall of thread barrel
Radial pressure, force interface end 3 deform and with 4 lateral wall gluing, sealing of nozzle, thus realize connection fastening purpose.
As a preferred embodiment, when needing to dock the interface end 3 of two corrugated flexible hoses 2,1 both ends of round tube are symmetrical
Setting, and docked respectively with the interface end 3 of two corrugated flexible hoses 2.
As a preferred embodiment, when which is PVC material, can one end by round tube 1 far from nozzle 4 it is similar with other
The tubing of material carries out sweat soldering.Or carry out interface variable diameter, switching use.And one end interval of the round tube 1 far from nozzle 4 at this time
Equipped with several antislip cogs 13 being circumferentially arranged, it is convenient for the nested encryptions firm with other flexible pipes, while also can be used as
The solder of sweat soldering carries out melting sealed.
As a preferred embodiment, it needs to install 2 interface of corrugated flexible hose in wall, furred ceiling equipotential in construction indoors, because
The lateral wall of this one end of round tube 1 far from nozzle 4 is equipped with to the mounting plate 14 extended outside four, mounting plate 14 in rectangle setting, and
And 14 edge of mounting plate is evenly distributed with several mounting holes, i.e., this corrugated flexible hose road connector is processed into the Novel connection with check (non-return) valve
Connect device.
As a preferred embodiment: in kitchen ventilator, integrated kitchen range, air-conditioning air diffuser and sending the air outlet of exhaust fan that shelling can be processed
Body and connector are integrally one-time formed New type corrugated soft pipeline connector, and the Fast Installation of external corrugated flexible hose is facilitated to connect
It connects
As a preferred embodiment, the lateral wall of 3 overlapping region of interface end of nozzle 4 and corrugated flexible hose 2 is circumferentially with expansion
Slope 25, nozzle 4 pass through the expansion slope 25 being circumferentially arranged and are formed with tapered progressive mouth, and progressive mouth is close to corrugated flexible hose 2
The outer diameter of one end is less than the outer diameter far from 2 one end of corrugated flexible hose.
As a preferred embodiment, in order to improve work connection speed, spiral cover 10 initially may include fast connection mechanism, quick connection structure
Fracture 18 including any side of spiral cover 10 is arranged in the axial direction, and the generally elasticity setting of spiral cover 10；It further include connecting
The link of the hook being arranged on the outside of 18 any end of fracture and fracture 18 far from hook one end is connect, hook is hooked with link
Fracture 18 is closed with merging.
As a preferred embodiment, when strutting spiral cover 10 and being socketed on thread barrel 5, in order to guarantee 18 both ends of thread bush fracture
Internal screw thread 11 will not generate opposite dislocation, spiral cover includes positioning track, and positioning track includes that one section of circumferential connection setting exists
The hollow pipeline 21 of 18 any end lateral wall of fracture and one section of connection setting fracture 18 far from 21 one end of hollow pipeline, to
The contact pin 22 circumferentially extended in hollow pipeline 21；Contact pin 22 is slidably matched with hollow pipeline 21, for preventing the dislocation of fracture 18 from moving
It is dynamic.
As a preferred embodiment, rotation process carried out to spiral cover 10 for convenience of in the side of corrugated flexible hose 2, spiral cover 10 it is outer
Sidewall surfaces are equipped with anti-skid chequer 23, and anti-skid chequer 23 is fin structure of the circumferential array in spiral cover outer webs, and fin length side
To the helix vertical setup with rotary cap internal thread.
When construction personnel rotates spiral cover 10, increases the frictional force of hand by anti-skid chequer 23, ensure that the jail of spiral cover 10
It is arranged by installation, and based on the angle of anti-skid chequer 23, so that the Impact direction of frictional force is more reasonable.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of ventilation shaft connector characterized by comprising
Round tube (1), round tube (1) outer diameter is slightly less than corrugated flexible hose (2) internal diameter, and one end of the round tube (1) is nozzle
(4), the nozzle (4) is coaxially embedded in interface end (3) inside of the corrugated flexible hose (2)；
Compacting part, the compacting part is ring structure, and is nested in the interface end (3) of the corrugated flexible hose (2) outside
Side, and radial compress the interface end (3) is fitted in the nozzle (4) lateral wall；
The compacting part is fixed in locking member, the locking member, and promotes the compacting part to the ripple
The interface end (3) of hose (2) carries out radial pressure.
2. ventilation shaft connector according to claim 1, it is characterised in that: the locking member is that coaxial spaced is nested
Thread barrel (5) on the outside of the interface end (3) of the corrugated flexible hose (2), the thread barrel (5) are soft to the separate ripple
Pipe (2) direction is axially extending, and the thread barrel (5) passes through connecting plate (7) and institute far from the one end of the corrugated flexible hose (2)
It states round tube (1) lateral wall to be connected and fixed, tightening slope (24) is equipped on the inside of the thread barrel (5) and between the round tube (1)
The small annular space (6) of outer imperial palace is formed, the lateral wall of the thread barrel (5) is equipped with external screw thread (8)；The compacting part is disconnected
The wedge shaped flexible ring in face (9), one end that the flexible ring (9) is located at the wedge-shaped small end is thin end face, is located at the wedge shape
One end of big end is thick end face；The flexible ring (9) is nested on the outside of the interface end (3) of the corrugated flexible hose (2), and
The small end face of the flexible ring (9) is embedded in the circular annular space (6) of the thread barrel (5)；It further include spiral cover (10), it is described
Spiral cover (10) is tubular setting, and inner sidewall is equipped with the internal screw thread cooperated with the external screw thread (8) of the thread barrel (5)
(11), inner sidewall of the spiral cover (10) close to the corrugated flexible hose (2) one end is equipped with the radial institute to the corrugated flexible hose (2)
It states interface end (3) direction and extends cover rim (12), the cover rim (12) and the thick end face of the flexible ring (9) are engaged.
3. ventilation shaft connector according to claim 1, it is characterised in that: the round tube (1) is far from the nozzle (4)
One end setting identical as the nozzle (4).
4. ventilation shaft connector according to claim 1, it is characterised in that: the round tube (1) is far from the nozzle
(4) one end is equipped at intervals with several antislip cogs (13) being circumferentially arranged.
5. ventilation shaft connector according to claim 1, it is characterised in that: the round tube (1) is far from the nozzle (4)
The lateral wall of one end be equipped with to the mounting plate (14) extended outside four, the mounting plate (14) is in rectangle setting, and the peace
Loading board (14) edge is evenly distributed with several mounting holes.
6. ventilation shaft connector according to claim 2, it is characterised in that: the round tube (1) and the corrugated flexible hose
(2) lateral wall of the interface end (3) overlapping region is circumferentially with expansion slope (25), and the nozzle (4) passes through the week
To expansion slope (25) formed with tapered progressive mouth, outer diameter of the progressive mouth close to the corrugated flexible hose (2) one end
Less than the outer diameter far from the corrugated flexible hose (2) one end.
7. ventilation shaft connector according to claim 2, it is characterised in that: including fast connection mechanism, the quick connection structure
Fracture (18) including any side of the spiral cover (10) is arranged in the axial direction, and the spiral cover (10) is generally elastic
Setting；It further include hook and the fracture (18) of the connection setting on the outside of the fracture (18) any end far from described
The link of one end is linked up with, the hook, which hooks to match to merge with the link, is closed the fracture (18).
8. ventilation shaft connector according to claim 7, it is characterised in that: including positioning track, the positioning track
It is arranged including one section of circumferential connection and is set in the hollow pipeline (21) of the fracture (18) any end lateral wall and one section of connection
The fracture (18) are set far from the hollow pipeline (21) one end, the middle contact pin circumferentially extended of Xiang Suoshu hollow pipeline (21)
(22)；The contact pin (22) is slidably matched with the hollow pipeline (21), for preventing the fracture (18) dislocation movement.
9. ventilation shaft connector according to claim 2, it is characterised in that: spiral cover (10) outer side wall surface is equipped with
Anti-skid chequer (23), the anti-skid chequer (23) is fin structure of the circumferential array in the spiral cover outer webs, and the fin is long
Spend the helix vertical setup in direction and the rotary cap internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002443.4U CN208845923U (en) | 2018-06-27 | 2018-06-27 | Ventilation shaft connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002443.4U CN208845923U (en) | 2018-06-27 | 2018-06-27 | Ventilation shaft connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845923U true CN208845923U (en) | 2019-05-10 |
Family
ID=66352552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821002443.4U Active CN208845923U (en) | 2018-06-27 | 2018-06-27 | Ventilation shaft connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454631A (en) * | 2019-08-23 | 2019-11-15 | 杨希敏 | A kind of portable light air pipe connection |
| CN111795223A (en) * | 2020-07-08 | 2020-10-20 | 安徽巨鼎高分子科技有限责任公司 | Multilayer combined type steel wire mesh skeleton polyethylene composite pipe |
-
2018
- 2018-06-27 CN CN201821002443.4U patent/CN208845923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454631A (en) * | 2019-08-23 | 2019-11-15 | 杨希敏 | A kind of portable light air pipe connection |
| CN111795223A (en) * | 2020-07-08 | 2020-10-20 | 安徽巨鼎高分子科技有限责任公司 | Multilayer combined type steel wire mesh skeleton polyethylene composite pipe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220309 Address after: 350000 unit 401, block 11, Jiyuan group A, No. 15, Binzhou Road, Cangshan District, Fuzhou City, Fujian Province Patentee after: Chen Liang Address before: 350000 22 apartment office-3, floor 6, fortune world, No. 66, Wuyi North Road, East Street, Gulou District, Fuzhou, Fujian Patentee before: FUZHOU CAIJU KUNBANG NETWORK TECHNOLOGY Co.,Ltd. |