CN107757377A - A kind of air flue bracket integrated novel pantograph carbon slide - Google Patents
A kind of air flue bracket integrated novel pantograph carbon slide Download PDFInfo
- Publication number
- CN107757377A CN107757377A CN201711207121.3A CN201711207121A CN107757377A CN 107757377 A CN107757377 A CN 107757377A CN 201711207121 A CN201711207121 A CN 201711207121A CN 107757377 A CN107757377 A CN 107757377A
- Authority
- CN
- China
- Prior art keywords
- bracket
- air flue
- pipe joint
- thread
- seal
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
- B60L5/205—Details of contact bow with carbon contact members
Abstract
The present invention relates to train safety traffic field,Specially a kind of air flue bracket integrated novel pantograph carbon slide,The air flue bracket integrated novel pantograph carbon slide,The pipeline replaced using setting with the integrally formed seal of bracket in traditional approach,Improve the air-tightness of mechanism,Avoid conventional pipelines interconnection system,Produce the more phenomenon in connection end,Prevent the gas leakage of interface,And in the outside of bracket and the mode of the outside laying adhesive linkage of seal,Carry out secondary seal,The air-tightness of further reinforcement structure,Internal thread and external screw thread are set using connection through hole and air flue pipe joint respectively,The mode being connected through a screw thread,The junction of air flue pipe joint and bracket is avoided to produce gap,So as to cause gas to leak outside,The opposite side for being located at bracket in air flue pipe joint is set by threaded fastener,The seal assembly of location sealing plate and thread seal block composition,Corresponding thread groove is set in the bottom surface of bracket,Carry out double screw fit sealing.
Description
Technical field
The present invention relates to hoistway operation platform field, specially a kind of air flue bracket integrated novel pantograph carbon is slided
Plate.
Background technology
Pantograph carbon slide is the electrical equipment that electrically-driven car obtains electric energy from contact net, installed in locomotive or motor-car
On roof.It is made up of carbon slipper, elevating mechanism and control system, is made up of sketching charcoal, bracket, air flue pipe joint, tack coat etc..Mesh
Preceding carbon slipper structure has following several：1st, copper pipe air flue type carbon slipper：By sketching charcoal, air flue copper pipe, tack coat, bracket, air flue
Pipe joint etc. is formed, and in order to increase the security of operation, the compressed air of certain pressure is passed through in air flue copper pipe, when sketching charcoal is ground
When consuming setting or being broken, air flue copper pipe is forced to be broken, and causes the gas pressure in closed air flue to decline, and transmits
To monitoring system, pre-warning signal, closed air passage structure are sent.This structural requirement processes line of cut in copper pipe outer surface, to protect
Danger fracture, and the connection sealing of air flue joint and copper pipe requires also high, runs less stable.2nd, slided without copper pipe air flue type carbon
Plate：It is made up of sketching charcoal, tack coat, bracket, air flue pipe joint etc., in order to increase the security of operation, is passed through in air flue certain
The compressed air of pressure, when sketching charcoal wears away to setting or is broken, the gas pressure in closed air flue is caused to decline,
Monitoring system is delivered to, sends pre-warning signal.This structure is strictly sealed using the tack coat of carbon bar and bracket, first, system
Require that being bonded and sealed property is good when making, on the other hand it must also ensure that the being bonded and sealed property of operating mode operation, run it is uncertain influence because
Element is more.
The content of the invention
A kind of present invention solves the technical problem that the defects of being to overcome prior art, there is provided air flue bracket integrated novel
Pantograph carbon slide.
To achieve the above object, the present invention provides following technical scheme：
A kind of air flue bracket integrated novel pantograph carbon slide, including carbon bar and its corresponding bracket, the shape of the bracket
Shape is consistent with carbon strip, and the bracket is arranged on the lower section of carbon bar, is set between the top surface of the bracket and the junction of carbon bar
Adhesive linkage is equipped with, the bottom surface of wherein bracket is provided with multiple connection through holes, and the pneumatic duct that is internally provided with of the connection through hole connects
Head, one end of the air flue pipe joint reach the top of bracket close to the side of carbon bar, the bottom of the carbon bar through connection through hole
The face position corresponding with air flue pipe joint offers limited impression, and the upper end slip that the air flue pipe joint is located at bracket is set
Put in the inside of limited impression, the outside that the inner chamber of the limited impression is located at air flue pipe joint is provided with seal, described close
The bottom surface of the sealing position corresponding with air flue pipe joint offers water conservancy diversion chamber, and the one side corresponding with air flue pipe joint
For opening, the bottom surface that the seal is located at water conservancy diversion chamber two side is fixedly connected with the top surface of bracket, the air flue pipe joint
Sidewall surfaces and the corresponding position of connection through hole of bracket be respectively arranged with external screw thread and internal thread, and pneumatic duct connects
Head is screwed by corresponding internal thread and external screw thread, and the outside that the air flue pipe joint is located at bracket is provided with sealing
Component, the adhesive linkage are laid on the surface of bracket and the side surface of the junction of carbon bar and seal away from bracket.
Preferably, the quantity of the air flue pipe joint is two groups, and is symmetricly set on the both sides of bracket, wherein seal with
The vertical two side of bracket is arranged at the outside of two groups of air flue pipe joints, and is formed in one structure with bracket.
Preferably, the seal assembly includes threaded fastener and location sealing plate, and the inside of the threaded fastener is opened
Provided with the tapped through hole corresponding with air flue pipe joint and its surface external screw thread, and air flue is threadedly secured in by tapped through hole
The outside of pipe joint, the location sealing plate is arranged on threaded fastener close to the side of bracket, and is formed in one.
Preferably, the location sealing plate is installed with thread seal block, the bracket bottom surface close to the side of bracket
The position corresponding with thread seal block offers thread groove, and thread seal block is corresponding annular element with thread groove,
Wherein thread seal block is formed in one with location sealing plate, and wherein bracket is close with positioning by thread groove and thread seal block
Shrouding is threadedly coupled.
Preferably, mounting groove is provided with bracket, carbon bar is arranged in mounting groove and passed through between carbon bar and mounting groove
Viscose glue is bonded；
Described mounting groove both sides, which are provided with, holds out against hole, and ejector rod part is held out against through hole is held out against with the groove cooperation that holds out against on carbon bar；
Part is held out against with being connected at the top of drive part, drive part bottom is assembled with screw rod by threaded engagement；
And two drive parts are opposite with the thread rotary orientation that screw rod screws；
Described drive part bottom is fitted into guide groove, and described guide groove is arranged on guide pad, and described guide pad is consolidated
It is scheduled on bracket both sides.
Compared with prior art, the beneficial effects of the invention are as follows：The air flue bracket integrated novel pantograph carbon slide, lead to
The pipeline replaced using setting with the integrally formed seal of bracket in traditional approach is crossed, the air-tightness of mechanism is improved, avoids passing
Road interconnection system under the overall leadership, the more phenomenon in connection end is produced, prevent the gas leakage of interface, and in the outside of bracket and close
The mode of the outside laying adhesive linkage of sealing, carries out secondary seal, the air-tightness of further reinforcement structure, use connection through hole with
And air flue pipe joint sets internal thread and external screw thread respectively, the mode being connected through a screw thread, air flue pipe joint and bracket are avoided
Junction produce gap, so as to cause gas to leak outside, by be located in air flue pipe joint bracket opposite side setting by screw thread
The seal assembly of fastener, location sealing plate and thread seal block composition, and corresponding screw thread is set in the bottom surface of bracket
Groove, carries out double screw fit sealing, further improves air flue pipe joint and is located at the air-tightness at bracket base end, and uses spiral shell
The mode of line connection, is convenient for people to be installed and used.
Brief description of the drawings
Fig. 1 is the texture edge sectional view of the present invention.
Fig. 2 is the structure overall schematic of the present invention.
Fig. 3 is the improved structure schematic diagram of the present invention.
In figure：1 carbon bar, 2 brackets, 3 adhesive linkages, 4 connection through holes, 5 air flue pipe joints, 6 limited impressions, 7 seals, 8 are led
Flow chamber, 9 external screw threads, 10 internal threads, 11 seal assemblies, 12 threaded fasteners, 13 location sealing plates, 14 tapped through holes, 15 spiral shells
Line sealing block, 16 thread grooves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：
A kind of air flue bracket integrated novel pantograph carbon slide, including carbon bar 1 and its corresponding bracket 2, the bracket 2
Shape is consistent with the shape of carbon bar 1, and the bracket 2 is arranged on the lower section of carbon bar 1, the top surface of the bracket 2 and the junction of carbon bar 1
Between be provided with adhesive linkage 3, the bottom surface of wherein bracket 2 is provided with multiple connection through holes 4, and the inside of the connection through hole 4 is set
There is air flue pipe joint 5, one end of the air flue pipe joint 5 reaches the top of bracket 2 close to the one of carbon bar 1 through connection through hole 4
Side, the position that the bottom surface of the carbon bar 1 is corresponding with air flue pipe joint 5 offer limited impression 6, the air flue pipe joint 5
The inside of limited impression 6 is slidably arranged in the upper end of bracket 2, the inner chamber of the limited impression 6 is located at air flue pipe joint 5
Outside is provided with seal 7, and the position that the bottom surface of the seal 7 is corresponding with air flue pipe joint 5 offers water conservancy diversion chamber 8,
And the one side corresponding with air flue pipe joint 5 is opening, the seal 7 is located at bottom surface and the support of the two side of water conservancy diversion chamber 8
The top surface of frame 2 is fixedly connected, and the sidewall surfaces of the air flue pipe joint 5 and the corresponding position of through hole 4 that connects of bracket 2 are divided
External screw thread 9 and internal thread 10 are not provided with, and air flue pipe joint 5 passes through corresponding internal thread 10 and the screw thread of external screw thread 9
Fixed, the outside that the air flue pipe joint 5 is located at bracket 2 is provided with seal assembly 11, and the adhesive linkage 3 is laid on bracket 2
Surface and the side surface of junction and seal 7 away from bracket 2 of carbon bar 1.
As a kind of technical optimization scheme of the present invention, the quantity of the air flue pipe joint 5 is two groups, and is symmetricly set on
The both sides of bracket 2, the wherein two side vertical with bracket 2 of seal 7 are arranged at the outside of two groups of air flue pipe joints 5, and with
Bracket 2 is formed in one structure.
As a kind of technical optimization scheme of the present invention, the seal assembly 11 includes threaded fastener 12 and location sealing
Plate 13, the inside of the threaded fastener 12 offer the screw thread corresponding with air flue pipe joint 5 and its surface external screw thread 9 and led to
Hole 14, and the outside of air flue pipe joint 5 is threadedly secured in by tapped through hole 14, it is tight that the location sealing plate 13 is arranged on screw thread
Firmware 12 is formed in one close to the side of bracket 2.
As a kind of technical optimization scheme of the present invention, the location sealing plate 13 is fixedly mounted close to the side of bracket 2
There is thread seal block 15, the bottom surface of bracket 2 position corresponding with thread seal block 15 offers thread groove 16, and screw thread is close
It is corresponding annular element that block 15, which is sealed, with thread groove 16, and wherein thread seal block 15 is formed in one with location sealing plate 13,
Wherein bracket 2 is threadedly coupled by thread groove 16 and thread seal block 15 with location sealing plate 13.
Operation principle：When people use the air flue bracket integrated novel pantograph carbon slide, by using setting and support
The integrally formed seal 7 of frame 2 replaces the pipeline in traditional approach, improves the air-tightness of mechanism, avoids conventional pipelines interconnection system,
The more phenomenon in connection end is produced, prevents the gas leakage of interface, and in the outside of bracket 2 and the outside of seal 7
The mode of adhesive linkage 3 is laid, carries out secondary seal, the air-tightness of further reinforcement structure, using connection through hole 4 and pneumatic duct
Joint 5 sets internal thread 10 and external screw thread 9 respectively, the mode being connected through a screw thread, avoids air flue pipe joint 5 and bracket 2
Junction produces gap, so as to cause gas to leak outside, is set by the opposite side for being located at bracket 2 in air flue pipe joint 5 by screw thread
The seal assembly 11 that fastener 12, location sealing plate 13 and thread seal block 15 form, and set relatively in the bottom surface of bracket 2
The thread groove 16 answered, carries out double screw fit sealing, further improves air flue pipe joint 5 positioned at the airtight of the bottom end of bracket 2
Property, and by the way of threaded connection, be convenient for people to be installed and used.
Referring to Fig. 3, in order to increase stationarity of the bracket to carbon bar 1, mounting groove 201 is provided with bracket, carbon bar 1 is installed
It is in mounting groove 201 and be bonded by viscose glue between carbon bar and mounting groove 201；
Described mounting groove both sides, which are provided with, holds out against hole 202, and ejector rod part 41, which passes through, holds out against hole 202 with holding out against groove 21 on carbon bar 1
Cooperation is held out against；
Hold out against part 41 to be connected with the top of drive part 42, drive part bottom is assembled with screw rod 100 by threaded engagement；
And two drive parts 202 are opposite with the thread rotary orientation that screw rod screws；
The described bottom of drive part 42 is fitted into guide groove 310, and described guide groove 310 is arranged on guide pad 300, described
Guide pad 300 be fixed on bracket both sides.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of air flue bracket integrated novel pantograph carbon slide, including carbon bar（1）Corresponding bracket with its（2）, it is special
Sign is：The bracket（2）Shape and carbon bar（1）Shape is consistent, the bracket（2）It is arranged on carbon bar（1）Lower section, it is described
Bracket（2）Top surface and carbon bar（1）Junction between be provided with adhesive linkage（3）, wherein bracket（2）Bottom surface be provided with it is multiple
Connect through hole（4）, the connection through hole（4）Be internally provided with air flue pipe joint（5）, the air flue pipe joint（5）One end
Through connection through hole（4）Reach bracket（2）Top close to carbon bar（1）Side, the carbon bar（1）Bottom surface connect with pneumatic duct
Head（5）Corresponding position offers limited impression（6）, the air flue pipe joint（5）Positioned at bracket（2）Upper end slide set
Put in limited impression（6）Inside, the limited impression（6）Inner chamber be located at air flue pipe joint（5）Outside be provided with sealing
Part（7）, the seal（7）Bottom surface and air flue pipe joint（5）Corresponding position offers water conservancy diversion chamber（8）, and with gas
Road pipe joint（5）Corresponding one side is open, the seal（7）Positioned at water conservancy diversion chamber（8）The bottom surface of two side and support
Frame（2）Top surface be fixedly connected, the air flue pipe joint（5）Sidewall surfaces and bracket（2）Connection through hole（4）It is corresponding
Position be respectively arranged with external screw thread（9）And internal thread（10）, and air flue pipe joint（5）Pass through corresponding internal thread（10）
And external screw thread（9）It is screwed, the air flue pipe joint（5）Positioned at bracket（2）Outside be provided with seal assembly（11）, institute
State adhesive linkage（3）It is laid on bracket（2）Surface and carbon bar（1）Junction and seal（7）Away from bracket（2）Side
Surface.
A kind of 2. air flue bracket integrated novel pantograph carbon slide according to claim 1, it is characterised in that：The gas
Road pipe joint（5）Quantity be two groups, and be symmetricly set on bracket（2）Both sides, wherein seal（7）With bracket（2）Vertically
Two side be arranged at two groups of air flue pipe joints（5）Outside, and and bracket（2）Be formed in one structure.
A kind of 3. air flue bracket integrated novel pantograph carbon slide according to claim 1, it is characterised in that：It is described close
Sealing assembly（11）Including threaded fastener（12）With location sealing plate（13）, the threaded fastener（12）Inside offer with
Air flue pipe joint（5）And its surface external screw thread（9）Corresponding tapped through hole（14）, and pass through tapped through hole（14）Screw thread is consolidated
It is scheduled on air flue pipe joint（5）Outside, the location sealing plate（13）It is arranged on threaded fastener（12）Close to bracket（2）One
Side, and be formed in one.
A kind of 4. air flue bracket integrated novel pantograph carbon slide according to claim 3, it is characterised in that：It is described fixed
Position sealing plate（13）Close to bracket（2）Side be installed with thread seal block（15）, the bracket（2）Bottom surface is close with screw thread
Seal block（15）Corresponding position offers thread groove（16）, and thread seal block（15）With thread groove（16）It is corresponding
Annular element, wherein thread seal block（15）With location sealing plate（13）It is formed in one, wherein bracket（2）Pass through thread groove（16）
And thread seal block（15）With location sealing plate（13）Threaded connection.
A kind of 5. air flue bracket integrated novel pantograph carbon slide according to claim 1, it is characterised in that：In bracket
On be provided with mounting groove (201), carbon bar (1) is arranged in mounting groove (201) and passes through viscose glue between carbon bar and mounting groove (201)
Bonding；
Described mounting groove both sides, which are provided with, holds out against hole (202), and ejector rod part (41), which passes through, to be held out against on hole (202) and carbon bar (1)
Groove (21) cooperation is held out against to hold out against；
Part (41) is held out against with being connected at the top of drive part (42), drive part bottom is revolved with screw rod (100) by screw thread
Attach together and match somebody with somebody；
And two drive parts (202) are opposite with the thread rotary orientation that screw rod screws；
Described drive part (42) bottom is fitted into guide groove (310), and described guide groove (310) is arranged on guide pad
(300) on, described guide pad (300) is fixed on bracket both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207121.3A CN107757377B (en) | 2017-11-27 | 2017-11-27 | Air flue bracket integrated pantograph carbon slide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207121.3A CN107757377B (en) | 2017-11-27 | 2017-11-27 | Air flue bracket integrated pantograph carbon slide plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107757377A true CN107757377A (en) | 2018-03-06 |
| CN107757377B CN107757377B (en) | 2020-06-16 |
Family
ID=61276437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711207121.3A Active CN107757377B (en) | 2017-11-27 | 2017-11-27 | Air flue bracket integrated pantograph carbon slide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107757377B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340785A (en) * | 2018-03-26 | 2018-07-31 | 大同新成新材料股份有限公司 | A kind of air flue bracket integral type pantograph carbon slide and its production method |
| CN110901400A (en) * | 2018-09-18 | 2020-03-24 | 比亚迪股份有限公司 | Collector shoe carbon sliding plate, preparation method thereof and electric vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE682921C (en) * | 1937-12-22 | 1939-10-25 | Ringsdorff Werke K G | Socket for carbon grinding bows for electric vehicles |
| EP0402666A2 (en) * | 1989-06-10 | 1990-12-19 | Ringsdorff-Werke GmbH | Sliding brush for a current collector of electrical vehicles |
| DE69108304T2 (en) * | 1990-06-20 | 1995-08-10 | Lorraine Carbone | Carbon contact strip with error sensor. |
| DE4425460A1 (en) * | 1994-07-19 | 1996-01-25 | Ringsdorff Werke Gmbh | Support for collector shoe on carrier in pantograph of electric vehicle |
| CN101970890A (en) * | 2008-01-24 | 2011-02-09 | 阿久曼特有限公司 | Threaded insert and vehicle component |
| CN202685971U (en) * | 2012-06-15 | 2013-01-23 | 北京天宜上佳新材料有限公司 | T-shaped sealing strip pantograph slide plate |
| CN103129399A (en) * | 2013-02-06 | 2013-06-05 | 北京天宜上佳新材料有限公司 | Pantograph sliding plate |
| CN205632139U (en) * | 2016-01-29 | 2016-10-12 | 北京竞和科技有限公司 | Pantograph slide plate |
| CN106347241A (en) * | 2016-09-26 | 2017-01-25 | 嘉兴职业技术学院 | Vehicle-mounted mobile phone holder |
| CN104648162B (en) * | 2013-11-18 | 2017-06-23 | 苏州东南佳新材料股份有限公司 | Pantograph pan and its manufacture method |
-
2017
- 2017-11-27 CN CN201711207121.3A patent/CN107757377B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE682921C (en) * | 1937-12-22 | 1939-10-25 | Ringsdorff Werke K G | Socket for carbon grinding bows for electric vehicles |
| EP0402666A2 (en) * | 1989-06-10 | 1990-12-19 | Ringsdorff-Werke GmbH | Sliding brush for a current collector of electrical vehicles |
| DE69108304T2 (en) * | 1990-06-20 | 1995-08-10 | Lorraine Carbone | Carbon contact strip with error sensor. |
| DE4425460A1 (en) * | 1994-07-19 | 1996-01-25 | Ringsdorff Werke Gmbh | Support for collector shoe on carrier in pantograph of electric vehicle |
| CN101970890A (en) * | 2008-01-24 | 2011-02-09 | 阿久曼特有限公司 | Threaded insert and vehicle component |
| CN202685971U (en) * | 2012-06-15 | 2013-01-23 | 北京天宜上佳新材料有限公司 | T-shaped sealing strip pantograph slide plate |
| CN103129399A (en) * | 2013-02-06 | 2013-06-05 | 北京天宜上佳新材料有限公司 | Pantograph sliding plate |
| CN104648162B (en) * | 2013-11-18 | 2017-06-23 | 苏州东南佳新材料股份有限公司 | Pantograph pan and its manufacture method |
| CN205632139U (en) * | 2016-01-29 | 2016-10-12 | 北京竞和科技有限公司 | Pantograph slide plate |
| CN106347241A (en) * | 2016-09-26 | 2017-01-25 | 嘉兴职业技术学院 | Vehicle-mounted mobile phone holder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340785A (en) * | 2018-03-26 | 2018-07-31 | 大同新成新材料股份有限公司 | A kind of air flue bracket integral type pantograph carbon slide and its production method |
| CN110901400A (en) * | 2018-09-18 | 2020-03-24 | 比亚迪股份有限公司 | Collector shoe carbon sliding plate, preparation method thereof and electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107757377B (en) | 2020-06-16 |
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Effective date of registration: 20230721 Address after: 361000 room 4101, No. 131, xinjingdongli, Haicang District, Xiamen City, Fujian Province Patentee after: Xiamen Jiupin sesame Information Technology Co.,Ltd. Address before: 037002 Garden Village, Xinrong District, Datong, Shanxi Patentee before: DATONG XINCHENG NEW MATERIAL Co.,Ltd. |