CN109812630A - A kind of screwing type speed pipe connector - Google Patents
A kind of screwing type speed pipe connector Download PDFInfo
- Publication number
- CN109812630A CN109812630A CN201910173128.0A CN201910173128A CN109812630A CN 109812630 A CN109812630 A CN 109812630A CN 201910173128 A CN201910173128 A CN 201910173128A CN 109812630 A CN109812630 A CN 109812630A
- Authority
- CN
- China
- Prior art keywords
- dog collar
- swivel nut
- type speed
- locking swivel
- deformation piece
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000011324 bead Substances 0.000 claims abstract description 13
- 230000014759 maintenance of location Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 241000237970 Conus <genus> Species 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of screwing type speed pipe connectors, including connector body and locking swivel nut, the both ends of connector body penetrate through and both ends are provided with external thread part, locking screw set is socketed on the outside of external thread part, the inside of locking swivel nut is axially provided with clamping dog collar, if the clamping dog collar is the connected ring structure surrounded in dry plate deformation piece one end, metal intermediate plate is provided on the other end inner sidewall of deformation piece, the outside of dog collar is clamped at least provided with two retention beads, the limiting slot being engaged with retention bead is provided on external thread part, it clamps and is axially provided with pressure ring and sealing ring between one end of dog collar and the end of connector body, locking swivel nut rotation axis makes the inside deformation of the other end of deformation piece to clamping dog collar is squeezed when movement.Structure of the invention is ingenious, can carry out axial limit to dog collar is clamped, facilitate the plug of pipe fitting, and simple production process, process is few, is suitble to large-scale production.
Description
Technical field
The present invention relates to pipe connector fields, more particularly to a kind of screwing type speed pipe connector.
Background technique
In people's lives, need to use many pipe fittings, such as water pipe, tracheae and oil pipe, these pipe fittings make
With needing for pipe fitting to be connected in the process, structure is complicated for present pipe connector, and attended operation is cumbersome, generally requires
Professional operates, and installs the leakproofness not in place that just will affect pipe fitting connection, leaks.
Also having currently on the market can be with the screwing type pipe connector of quick locking, such as Patent No. 201721391571.8
Entitled " rotation locking type quick coupling " patent of invention, be exactly to consolidate clamping element deformation using rotation locking handwheel
Determine pipe fitting, but there are two problems for this structure tool: (1), can band when pipe fitting is extracted outward after locking handwheel is unscrewed
Dynamic clamping element also moves axially, and is squeezed and deformed clamping element mutually with locking handwheel again, metal intermediate plate can not be successfully pipe fitting
Extraction, so when pipe fitting is extracted must with hand by clamping element toward being pushed forward, just metal clip piece can be made not clamp pipe
Part, operates more troublesome in this way, generally requires two hands and is operated, inconvenient to use；(2) gold on its clamping element inner sidewall
Belonging to intermediate plate is the main part integrated injection molding with clamping element, and since quantity is more, technique is sufficiently complex, and clout wave
Take bigger, is unfavorable for producing on a large scale.
So needing to improve existing pipe connector.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of screwing type speed pipe connector, clever structure can be with
Axial limit is carried out to dog collar is clamped, facilitates the plug of pipe fitting, and simple production process, process is few, is suitble to extensive raw
It produces.
The technical solution adopted by the present invention to solve the technical problems is: a kind of screwing type speed pipe connector is provided,
Including connector body and locking swivel nut, the both ends of the connector body penetrate through and both ends are provided with external thread part, institute
Locking screw set is socketed on the outside of the external thread part stated, the inside of the locking swivel nut is axially provided with clamping dog collar, the folder
If tight dog collar is the connected ring structure surrounded in dry plate deformation piece one end, it is provided on the other end inner sidewall of the deformation piece
Metal intermediate plate, the outside of the described clamping dog collar at least provided with two retention beads, be provided on the external thread part with
The limiting slot that retention bead is engaged axially is provided with pressure ring between described one end of clamping dog collar and the end of connector body
And sealing ring, the locking swivel nut rotation axis make the inside deformation of the other end of deformation piece to clamping dog collar is squeezed when movement.
As a supplement to the technical solution of the present invention, it is located at interior spiral shell on the inner sidewall of the locking swivel nut
The side of line is provided with conus portion, and the conus portion squeezes the other end of deformation piece.
Further, if one end of dry plate deformation piece is connected by connection ring.
Further, the side of the connection ring is provided with opening portion.
Further, insertion is disposed with metal capel in the inner sidewall of the clamping dog collar, and each deformation piece is corresponding
Metal intermediate plate is connected with metal capel.
Further, the outer middle side part of the connector body is oppositely arranged two limit baffle rings, the limit side by side
Being arranged side by side on the end face of position baffle ring outwardly has several to lock groove, is provided with lock on the inner side end of the locking swivel nut
Tight protrusion, when locking swivel nut and being screwed to bottom, lock projection is embedded into any one locking groove.
Further, the retention bead is in hook-shaped.
The utility model has the advantages that the present invention relates to a kind of screwing type speed pipe connector, clever structure, using on clamping dog collar
Setting retention bead and being engaged with limiting slot makes the deformation that deformation piece can only be radial to prevent from clamping dog collar and move axially,
Clamping dog collar is set to will not influence the plug of pipe fitting；Metal intermediate plate is in one using the connection of metal capel, without installing metal one by one
Intermediate plate, and without the main body integrated injection molding with clamping dog collar, later period installation enormously simplifies processing technology, drops
Low cost is suitble to large-scale production, which has good versatility, not for different material replacement in pipe fitting
With the component of material.
Detailed description of the invention
Fig. 1 is assembling half-section diagram of the invention；
Fig. 2 is decomposition state schematic diagram of the invention；
Fig. 3 is a kind of structural upright schematic diagram of clamping dog collar of the invention；
Fig. 4 is a kind of structural upright schematic diagram of clamping dog collar of the invention；
Fig. 5 is a kind of half-sectional structure chart of installation of structure of clamping dog collar of the invention.
Diagram: 1, swivel nut is locked；2, dog collar is clamped；3, connector body；4, pressure ring；5, sealing ring；6, limit baffle ring；7,
Limiting slot；8, metal intermediate plate；9, retention bead；10, conus portion；11, deformation piece；12, connection ring；14, metal capel；15, outer
Threaded portion；16, lock projection；17, groove is locked.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
As shown in Figs. 1-5, the technical solution adopted by the present invention to solve the technical problems is: it is quick to provide a kind of screwing type
Pipe connector, including connector body 3 and locking swivel nut 1, the both ends of the connector body 3 penetrate through and both ends are respectively provided with
There is external thread part 15, the outside of the external thread part 15 is socketed with locking screw set 1, and the inside of the locking swivel nut 1 is axial
It is provided with and clamps dog collar 2, if the clamping dog collar 2 is the connected ring structure surrounded in 11 one end of dry plate deformation piece, the deformation
Metal intermediate plate 8 is provided on the other end inner sidewall of piece 11, the outside of the clamping dog collar 2 is at least provided with two limit convexes
Play 9, be provided with the limiting slot 7 being engaged with retention bead 9 on the external thread part 15, one end of the clamping dog collar 2 with
Pressure ring 4 and sealing ring 5 are axially provided between the end of connector body 3, the locking swivel nut 1 squeezes when rotating axial movement
Pressure, which clamps dog collar 2, makes the inside deformation of the other end of deformation piece 11.
Side on the inner sidewall of the locking swivel nut 1 positioned at internal screw thread is provided with conus portion 10, the conus portion
The other end of 10 pairs of deformation pieces 11 squeezes.
If one end of dry plate deformation piece 11 is connected by connection ring 12, the side of the connection ring 12 is provided with opening
Portion facilitates the processing of deformation piece 11 to install.
Insertion is disposed with metal capel 14, the corresponding metal of each deformation piece 11 in the inner sidewall of the clamping dog collar 2
Intermediate plate 8 is connected with metal capel 14, and metal capel 14 and metal intermediate plate 8 are an entirety, and is not necessarily to integrated injection molding,
Installation procedure is simple.
The outer middle side part of the connector body 3 is oppositely arranged two limit baffle rings 6, the limit baffle ring 6 side by side
Being arranged side by side on end face outwardly has several to lock groove 17, is provided with locking on the inner side end of the locking swivel nut 1
Protrusion 16, when locking swivel nut 1 and being screwed to bottom, lock projection 16 is embedded into any one locking groove 17, the retention bead
9 in hook-shaped.
As a kind of embodiment of the invention, when in use, pipe fitting is inserted into the both ends of joint body 3, then
Rotation lock swivel nut 1 makes to lock the axial movement of swivel nut 1, and squeezes the one end for making to clamp dog collar 2 by conus portion 10 and shape occurs
Become, so that metal intermediate plate 8 is clamped pipe fitting, prevent it from moving axially, pressure ring 4 can be pushed down by simultaneously clamping on dog collar 2, and pipe fitting is from close
5 center of seal passes through, and plays the role of sealing.
When locking swivel nut 1 is screwed to bottom, lock projection 16 can be engaged with locking groove 17, play locking effect.
When needing to extract pipe fitting, it is only necessary to unscrew locking swivel nut 1, clamp dog collar 2 can open automatically, extract pipe fitting when
It waits since retention bead 9 and limiting slot 7 are engaged, move axially clamping dog collar 2 will not, so metal intermediate plate 8 will not be to pipe fitting
Extraction generate interference.
Structure of the invention is ingenious, can carry out axial limit to dog collar is clamped, facilitate the plug of pipe fitting, and produce work
Skill is simple, and process is few, is suitble to large-scale production.
Claims (7)
1. a kind of screwing type speed pipe connector, including connector body (3) and locking swivel nut (1), which is characterized in that described
Connector body (3) both ends perforation and both ends be provided with external thread part (15), the outside of the external thread part (15)
It is socketed with locking swivel nut (1), the inside of the locking swivel nut (1), which is axially provided with, clamps dog collar (2), the clamping dog collar (2)
If being arranged on the other end inner sidewall of the deformation piece (11) for the connected ring structure surrounded in dry plate deformation piece (11) one end
Have metal intermediate plate (8), the outside of the clamping dog collar (2) is at least provided with two retention beads (9), the external thread part
(15) limiting slot (7) being engaged with retention bead (9), one end of the clamping dog collar (2) and connector body are provided on
(3) pressure ring (4) and sealing ring (5) are axially provided between end, the locking swivel nut (1) squeezes when rotating axial movement
Clamping dog collar (2) makes the inside deformation of the other end of deformation piece (11).
2. screwing type speed pipe connector according to claim 1, it is characterised in that: the locking swivel nut (1)
Side on inner sidewall positioned at internal screw thread is provided with conus portion (10), the other end of the conus portion (10) to deformation piece (11)
It is squeezed.
3. screwing type speed pipe connector according to claim 1, it is characterised in that: if the one of dry plate deformation piece (11)
End is connected by connection ring (12).
4. screwing type speed pipe connector according to claim 3, it is characterised in that: the one of the connection ring (12)
Side is provided with opening portion.
5. screwing type speed pipe connector according to claim 3 or 4, it is characterised in that: the clamping dog collar (2)
Inner sidewall in be embedded in and be disposed with metal capel (14), the corresponding metal intermediate plate (8) of each deformation piece (11) with metal capel
(14) it is connected.
6. screwing type speed pipe connector according to claim 1, it is characterised in that: the connector body (3)
Outer middle side part be oppositely arranged two limit baffle rings (6) side by side, being arranged side by side on the end face of the limit baffle ring (6) outwardly has
Several lock groove (17), are provided with lock projection (16) on the inner side end of the locking swivel nut (1), in locking swivel nut
(1) lock projection (16) is embedded into any one locking groove (17) when being screwed to bottom.
7. screwing type speed pipe connector according to claim 1, it is characterised in that: the retention bead (9) is in
It is hook-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173128.0A CN109812630B (en) | 2019-03-07 | 2019-03-07 | Screw-type quick pipe fitting connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173128.0A CN109812630B (en) | 2019-03-07 | 2019-03-07 | Screw-type quick pipe fitting connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109812630A true CN109812630A (en) | 2019-05-28 |
| CN109812630B CN109812630B (en) | 2024-04-26 |
Family
ID=66608344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910173128.0A Active CN109812630B (en) | 2019-03-07 | 2019-03-07 | Screw-type quick pipe fitting connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109812630B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928039A (en) * | 2020-08-11 | 2020-11-13 | 天津鹏翎集团股份有限公司 | Pipe joint, battery pack and automobile |
| CN112211760A (en) * | 2020-10-19 | 2021-01-12 | 盐城博尔福机电科技发展有限公司 | Fuel oil heating device for ultralow temperature starting of gasoline engine |
| CN112282361A (en) * | 2020-10-20 | 2021-01-29 | 徐成典 | Vertical fixing device for blocking upright post |
| CN117943978A (en) * | 2024-03-21 | 2024-04-30 | 湖北三江博力智能装备有限公司 | Movable arm of abrasive striking and sand blasting robot |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338583Y (en) * | 1998-06-11 | 1999-09-15 | 姚挺生 | Insertiont type pipeline joint |
| DE10231913A1 (en) * | 2001-08-03 | 2003-02-27 | Mapress Gmbh & Co Kg | Pipe coupling has sleeve formed as separate connection part pushed into screwed part and locked against extraction |
| DE10321309A1 (en) * | 2002-06-24 | 2004-01-22 | Berlin Heart Ag | Device for joining of rigid pipe to flexible tube, in particular to be used in heart supporting blood pump, assembled of three elements |
| US20040177486A1 (en) * | 2003-03-13 | 2004-09-16 | Brugg Rohr Ag, Holding | Method of producing a joint between a corrugated tube and a coupling |
| US6932355B1 (en) * | 1999-01-28 | 2005-08-23 | Den Norske Metallpakningsfabrikk As | Sealing arrangement |
| US20080217917A1 (en) * | 2007-03-06 | 2008-09-11 | Teh-Tsung Chiu | Joint Structure for Quickly Connecting Corrugated Pipe |
| CN201502811U (en) * | 2009-09-08 | 2010-06-09 | 林仁国 | Gas corrugated pipe quick coupling |
| EP2202439A1 (en) * | 2008-12-23 | 2010-06-30 | Hummel AG | Threaded clamp connection for mounting elongated objects or tubes |
| CN106287075A (en) * | 2015-06-05 | 2017-01-04 | 大连凯斯博格设备制造有限公司 | A kind of fast assembling-disassembling assembling pipe joint |
| CN107654766A (en) * | 2017-10-26 | 2018-02-02 | 慈溪雨洁净水设备有限公司 | Rotation lock compact form snap joint |
| CN209892893U (en) * | 2019-03-07 | 2020-01-03 | 宁波新邦工具有限公司 | Screwing type quick pipe connector |
-
2019
- 2019-03-07 CN CN201910173128.0A patent/CN109812630B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338583Y (en) * | 1998-06-11 | 1999-09-15 | 姚挺生 | Insertiont type pipeline joint |
| US6932355B1 (en) * | 1999-01-28 | 2005-08-23 | Den Norske Metallpakningsfabrikk As | Sealing arrangement |
| DE10231913A1 (en) * | 2001-08-03 | 2003-02-27 | Mapress Gmbh & Co Kg | Pipe coupling has sleeve formed as separate connection part pushed into screwed part and locked against extraction |
| DE10321309A1 (en) * | 2002-06-24 | 2004-01-22 | Berlin Heart Ag | Device for joining of rigid pipe to flexible tube, in particular to be used in heart supporting blood pump, assembled of three elements |
| US20040177486A1 (en) * | 2003-03-13 | 2004-09-16 | Brugg Rohr Ag, Holding | Method of producing a joint between a corrugated tube and a coupling |
| US20080217917A1 (en) * | 2007-03-06 | 2008-09-11 | Teh-Tsung Chiu | Joint Structure for Quickly Connecting Corrugated Pipe |
| EP2202439A1 (en) * | 2008-12-23 | 2010-06-30 | Hummel AG | Threaded clamp connection for mounting elongated objects or tubes |
| CN201502811U (en) * | 2009-09-08 | 2010-06-09 | 林仁国 | Gas corrugated pipe quick coupling |
| CN106287075A (en) * | 2015-06-05 | 2017-01-04 | 大连凯斯博格设备制造有限公司 | A kind of fast assembling-disassembling assembling pipe joint |
| CN107654766A (en) * | 2017-10-26 | 2018-02-02 | 慈溪雨洁净水设备有限公司 | Rotation lock compact form snap joint |
| CN209892893U (en) * | 2019-03-07 | 2020-01-03 | 宁波新邦工具有限公司 | Screwing type quick pipe connector |
Non-Patent Citations (2)
| Title |
|---|
| SCHÜTTE-NÜTGEN KATHARINA等: "Getting a Notch closer to renal dysfunction: activated Notch suppresses expression of the adaptor protein Disabled-2 in tubular epithelial cells", 《OFFICIAL PUBLICATION OF THE FEDERATION OF AMERICAN SOCIETIES FOR EXPERIMENTAL BIOLOGY》, vol. 33, no. 1, 30 January 2019 (2019-01-30) * |
| 王欢等: "弱刚度环类零件装夹变形的研究", 《新技术新工艺》, no. 04, 31 December 2016 (2016-12-31) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928039A (en) * | 2020-08-11 | 2020-11-13 | 天津鹏翎集团股份有限公司 | Pipe joint, battery pack and automobile |
| CN111928039B (en) * | 2020-08-11 | 2022-07-12 | 天津鹏翎集团股份有限公司 | Pipe joint, battery pack and car |
| CN112211760A (en) * | 2020-10-19 | 2021-01-12 | 盐城博尔福机电科技发展有限公司 | Fuel oil heating device for ultralow temperature starting of gasoline engine |
| CN112211760B (en) * | 2020-10-19 | 2022-04-22 | 盐城博尔福机电科技发展有限公司 | Fuel oil heating device for ultralow temperature starting of gasoline engine |
| CN112282361A (en) * | 2020-10-20 | 2021-01-29 | 徐成典 | Vertical fixing device for blocking upright post |
| CN112282361B (en) * | 2020-10-20 | 2022-05-06 | 安徽省信力建设项目管理有限公司 | Vertical fixing device for blocking stand column |
| CN117943978A (en) * | 2024-03-21 | 2024-04-30 | 湖北三江博力智能装备有限公司 | Movable arm of abrasive striking and sand blasting robot |
| CN117943978B (en) * | 2024-03-21 | 2024-06-11 | 湖北三江博力智能装备有限公司 | Movable arm of abrasive striking and sand blasting robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109812630B (en) | 2024-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109812630A (en) | A kind of screwing type speed pipe connector | |
| CN202048286U (en) | Insertion quick connector | |
| CN208951497U (en) | Two-way quick connector and pipe-line system | |
| CN202048294U (en) | Quick coupling | |
| CN203880290U (en) | Small-caliber quick pipeline connecting connector | |
| CN104315276A (en) | Pipe joint for steel pipe connection, pipe joint assembly, pipeline connection structure and formation method | |
| CN205678317U (en) | A kind of fast insertion type joint | |
| CN209892893U (en) | Screwing type quick pipe connector | |
| CN211423652U (en) | Pipe joint structure | |
| CN205678318U (en) | Snap joint | |
| CN209430943U (en) | A kind of quick blocking bindiny mechanism | |
| CN108105504A (en) | A kind of quick coupling | |
| CN209267135U (en) | A kind of charging pile flange form waterproof connector | |
| CN209604735U (en) | A kind of automobile pipeline quick connector component | |
| CN201206685Y (en) | Pipe joint | |
| CN204704523U (en) | The linkage structure of fast connector and connecting head thereof | |
| CN203948843U (en) | A kind of compressed air fast pipe joint | |
| CN202612930U (en) | A joint assembly and a pneumatic pipeline system having the same | |
| CN204300558U (en) | A kind of pipe joint for fastener for connection, tube joint assembly and pipe connecting structure | |
| CN202830561U (en) | Washing machine water pipe connector | |
| CN203797209U (en) | Small tube diameter quick connector | |
| CN207935571U (en) | A kind of Anti-dismantling pipe connecting device and air conditioner | |
| CN202612910U (en) | Movable connector for air pipe of wagon | |
| CN205678319U (en) | Quick connector | |
| CN206693334U (en) | A kind of novel downcomer component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 315500 Fangqiao Industrial Park, Fenghua District, Ningbo City, Zhejiang Province Applicant after: Ningbo Xinbang Technology Co.,Ltd. Address before: 315500 Fangqiao Industrial Park, Fenghua City, Ningbo City, Zhejiang Province Applicant before: NINGBO SINPPA TOOLS Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 315500 Fangqiao Industrial Park, Fenghua District, Ningbo City, Zhejiang Province Applicant after: Ningbo Xinbang Technology Co.,Ltd. Address before: 315500 Fangqiao Industrial Park, Fenghua District, Ningbo City, Zhejiang Province Applicant before: Ningbo Xinbang Technology Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |