CN106654955B - A kind of modified electric power drawout cubicle - Google Patents
A kind of modified electric power drawout cubicle Download PDFInfo
- Publication number
- CN106654955B CN106654955B CN201611006405.1A CN201611006405A CN106654955B CN 106654955 B CN106654955 B CN 106654955B CN 201611006405 A CN201611006405 A CN 201611006405A CN 106654955 B CN106654955 B CN 106654955B
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- CN
- China
- Prior art keywords
- chamber
- cabinet body
- lock slider
- locked groove
- lock
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/46—Locks or fastenings for special use for drawers
- E05B65/462—Locks or fastenings for special use for drawers for two or more drawers
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a kind of modified electric power drawout cubicle, including pedestal（1）And it is arranged on pedestal（1）In upper cabinet chamber（2）With lower cabinet chamber（3）And it can slidingly be arranged on upper cabinet chamber respectively（2）With lower cabinet chamber（3）In upper cabinet body（21）And lower cabinet body（31）And it is arranged on upper cabinet body（21）The upper locked groove of lower right-hand side（22）And it is arranged on lower cabinet body（31）Lower locked groove above right side（32）, the pedestal（1）In be additionally provided with sliding chamber（23）With downslide chamber（33）, the upper sliding chamber（23）With downslide chamber（33）Between be communicated with drive component cavity volume（4）, the upper sliding chamber（23）With the upper cabinet chamber（2）Right side communicate, the downslide chamber（33）With the lower cabinet chamber（3）Right side communicate, the upper sliding chamber（23）With downslide chamber（33）Inside being respectively arranged with can slide up and down and symmetrical locking member.
Description
Technical field
The present invention relates to power domain, more particularly to a kind of modified electric power drawout cubicle.
Background technology
Drawer type electric control cabinet is commonly used using extensively in Electric control field.In drawer type electric control cabinet
Usually there are various electrical equipments, be the important measures of operation of ensuring safety for the locking of drawer under normal use therefore.
The locking of existing drawout cubicle often sets a lock to lock, and be every in the cabinet front end of drawout cubicle
One drawout cubicle, when needing repair and maintenance, often carries out opening maintenance, this is right to drawout cubicle in turn with a lock with key
Very inconvenient in overhauling, overhaul efficiency is low, moreover, because safety factor, needs to ensure no rigid collision in releasing process,
In order to avoid fever is caused even to be struck sparks, and the lock that existing drawout cubicle uses is of poor quality, damage is very easy to, this causes drawout cubicle
It locks unstable.
Invention content
The technical problem to be solved in the present invention is to provide a kind of modified electric power drawout cubicles.
To solve the above problems, the present invention adopts the following technical scheme that：
A modification of the present invention type electric power drawout cubicle, including pedestal and the upper cabinet chamber being arranged in pedestal and lower cabinet chamber,
And under being slidingly arranged on upper cabinet chamber and upper cabinet body in lower cabinet chamber and lower cabinet body respectively and being arranged on the right side of upper cabinet body
The upper locked groove of side and the lower locked groove for being arranged on top on the right side of lower cabinet body are additionally provided with sliding chamber and downslide chamber, institute in the pedestal
It states and drive component cavity volume is communicated between sliding chamber and downslide chamber, communicated on the right side of the upper sliding chamber and the upper cabinet chamber, it is described
It is communicated on the right side of downslide chamber and the lower cabinet chamber, the upper sliding chamber and downslide intracavitary are respectively arranged with and can slide up and down and symmetrically
Locking member, the locking member include lock slider and are arranged on the guide pad of the lock slider outer surface and are arranged on
Spring groove in the lock slider and the compressed spring being threaded through in the spring groove, one end of the compressed spring and institute
It states guide pad to be connected, the gear of the other end and the pedestal is provided with to drive two in the driving component cavity volume along being connected
The drive component that the locking member slides up and down, the driving component include driving motor and defeated with the driving motor
The driving disk of shaft power connection, described drive are provided with release recess on disk, the left side of the release recess is driving
Face is provided on the rear end face of the lock slider and compresses inclined-plane with what the upper edge of the drive surface and lower edge abutted against,
The periphery of the driving motor is provided with noise reduction set, and the noise reduction set is connected with the pedestal, the inner surface patch of the noise reduction set
With silencing cotton, the noise reduction set is to reduce the noise that the driving motor generates at runtime, so as to reduce noise pollution,
When locking as a result, after the upper cabinet body and lower cabinet body slip into upper cabinet chamber and lower cabinet chamber in place respectively, pass through the driving motor
The driving disk rotational is driven, since the upper edge of the drive surface and lower edge compress contacting for inclined-plane and make with described
The lock slider that the locking member of the upper sliding intracavitary must be arranged on overcomes the elastic force of the compressed spring and moves upwards and insert
Enter into the upper locked groove, and the lock slider for being arranged on the locking member of the downslide intracavitary overcomes the bullet of the compressed spring
Power and move downward and be inserted into the lower locked groove, when it is described driving disk upper and lower end face respectively with the lock slider
When lock face abuts, the upper cabinet body and lower cabinet body are locked in respectively in the upper cabinet chamber and lower cabinet chamber, during unlock, the drive
Dynamic motor continues to drive the driving disk rotational, and the upper and lower of disk is driven with described when the lock face of the lock slider is detached from
When end face abuts, the lock face of the lock slider bounces back into the release recess due to the elastic force effect of the compressed spring
In, at this point, the locking of the upper cabinet body and lower cabinet body is released unlock.
Preferably, one end that the lock slider is inserted into the upper locked groove and lower locked groove is provided with lead angle to convenient
The lock slider is rapidly inserted into respectively in the upper locked groove and lower locked groove, the guide pad and the lock slider integral type
Setting.
Preferably, the driving disk is 3/4ths cylindrical shapes, and the release recess is a quarter cylindrical shape.
Preferably, the left end of the upper cabinet body and lower cabinet body is both provided with pull-out element in order to by the upper cabinet body and lower cabinet
Body is pulled out from the upper cabinet chamber and lower cabinet chamber respectively, and the pull-out element is connected with the upper cabinet body and lower cabinet body by welding.
Preferably, the upper cabinet body is identical with lower cabinet body size, and the upper locked groove is identical with lower locked groove size and sets relatively
It puts.
The beneficial effects of the invention are as follows：Two locking members are driven by two electricity by a driving motor supplies power
Power cabinet locks simultaneously and unlock, increases the quantity of locking and the quantity of unlock, has saved input cost, is justified using driving
The rotation of disk is so that the upper and lower end face of driving disk engages the lock so that two electric power cabinets with the lock face of lock slider respectively
It is fixed more secured so that the electrical equipment stable operation in electric power cabinet body, it can by the release recess lock slider of setting
The compression of quick release compressed spring, so that two electric power cabinets are quickly unlocked so that tieed up to the maintenance of electric power drawout cubicle
Shield efficiency greatly improves, and whole device is simple in structure, and safe operation is reliable, and stability is good, is suitble to promote the use of.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of modified electric power drawout cubicle of the present invention, wherein, upper cabinet body and lower cabinet body are not locked out；
Fig. 2 is structure diagram when upper cabinet body and lower cabinet body are locked state in the present invention；
Fig. 3 is the overlooking the structure diagram that disk is driven in Fig. 1；
Fig. 4 is the left view structure diagram of two locking members, wherein, the upper edge of drive surface and lower edge will be with
Compress inclined-plane abutting.
Fig. 5 is the backsight structure diagram of two locking members.
Specific embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to shown in Fig. 1-5, a modification of the present invention type electric power drawout cubicle including pedestal 1 and is arranged in pedestal 1
Upper cabinet chamber 2 and lower cabinet chamber 3 and can slidingly be arranged on upper cabinet chamber 2 and the upper cabinet body 21 in lower cabinet chamber 3 and lower cabinet respectively
Body 31 and the lower locked groove 32 for being arranged on the upper locked groove 22 of 21 lower right-hand side of upper cabinet body and being arranged on above 31 right side of lower cabinet body, institute
It states and sliding chamber 23 and downslide chamber 33 is additionally provided in pedestal 1, drive component is communicated between the upper sliding chamber 23 and downslide chamber 33
Cavity volume 4, the upper sliding chamber 23 are communicated with the right side of the upper cabinet chamber 2, the right side phase of the downslide chamber 33 and the lower cabinet chamber 3
Logical, being respectively arranged in the upper sliding chamber 23 and downslide chamber 33 can slide up and down and symmetrical locking member, the locking member
Including lock slider 9 and it is arranged on the guide pad 91 of 9 outer surface of lock slider and is arranged in the lock slider 9
Spring groove 81 and the compressed spring 8 being threaded through in the spring groove 81, one end of the compressed spring 8 and the guide pad 91
It is connected, the gear of the other end and the pedestal 1 is connected along 11, is provided with to drive described in two in the driving component cavity volume 4
The drive component that locking member slides up and down, the driving component include driving motor 6 and the output with the driving motor 6
The driving disk 5 of axis power connection, described drive are provided with release recess 51 on disk 5, the left side of the release recess 51 is
Drive surface 52 is provided with and the upper edge 521 of the drive surface 52 and lower 522 phase of edge on the rear end face of the lock slider 9
What is abutted compresses inclined-plane 92, and the periphery of the driving motor 6 is provided with noise reduction set 62, and the noise reduction set 62 and the pedestal 1 are solid
Even, the inner surface of the noise reduction set 62 is pasted with silencing cotton, and the noise reduction covers 62 to reduce the driving motor 6 at runtime
The noise of generation, so as to reduce noise pollution, when locking as a result, the upper cabinet body 21 and lower cabinet body 31 slip into upper cabinet chamber 2 respectively
After in lower cabinet chamber 3 in place, the driving disk 5 is driven to rotate by the driving motor 6, it is upper due to the drive surface 52
Edge 521 and lower edge 522 compress the contacting so that being arranged on the sticking department in the upper sliding chamber 23 of inclined-plane 92 with described
The lock slider 9 of part overcomes the elastic force of the compressed spring 8 and moves upwards and be inserted into the upper locked groove 22, and is arranged on
The lock slider 9 of locking member in the downslide chamber 23 overcomes the elastic force of the compressed spring 8 and moves downward and be inserted into
In the lower locked groove 32, when the upper and lower end face of the driving disk 5 abuts respectively with the lock face 93 of the lock slider 9,
The upper cabinet body 21 and lower cabinet body 31 are locked in respectively in the upper cabinet chamber 2 and lower cabinet chamber 3, during unlock, the driving motor 6
Continue to drive the driving disk 5 to rotate, when the lock face 93 of the lock slider 9 be detached from the driving disk 5 up and down
When end face abuts, the lock face 93 of the lock slider 9 bounces back into the release due to the elastic force effect of the compressed spring 8
In recess 51, at this point, the locking of the upper cabinet body 21 and lower cabinet body 31 is released unlock.
A preferred embodiment in the present invention, the lock slider 9 are inserted into the upper locked groove 22 and lower locked groove 32
One end be provided with lead angle 10 lock slider 9 to be facilitated to be rapidly inserted into the upper locked groove 22 and lower locked groove 32 respectively
In, the guide pad 91 is set with 9 integral type of lock slider.
A preferred embodiment in the present invention, described to drive disk 5 as 3/4ths cylindrical shapes, the release recess
51 be a quarter cylindrical shape.
The left end of a preferred embodiment in the present invention, the upper cabinet body 21 and lower cabinet body 31 is both provided with pull-out element 7
In order to which the upper cabinet body 21 and lower cabinet body 31 are pulled out from the upper cabinet chamber 2 and lower cabinet chamber 3 respectively, the pull-out element 7 with
The upper cabinet body 21 and lower cabinet body 31 are connected by welding.
A preferred embodiment in the present invention, the upper cabinet body 21 is identical with 31 size of lower cabinet body, the upper locked groove 22
It is identical with lower 32 size of locked groove and be oppositely arranged.
The beneficial effects of the invention are as follows：Two locking members are driven by two electricity by a driving motor supplies power
Power cabinet locks simultaneously and unlock, increases the quantity of locking and the quantity of unlock, has saved input cost, is justified using driving
The rotation of disk is so that the upper and lower end face of driving disk engages the lock so that two electric power cabinets with the lock face of lock slider respectively
It is fixed more secured so that the electrical equipment stable operation in electric power cabinet body, it can by the release recess lock slider of setting
The compression of quick release compressed spring, so that two electric power cabinets are quickly unlocked so that tieed up to the maintenance of electric power drawout cubicle
Shield efficiency greatly improves, and whole device is simple in structure, and safe operation is reliable, and stability is good, is suitble to promote the use of.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (5)
1. a kind of modified electric power drawout cubicle, it is characterised in that：Including pedestal（1）And it is arranged on pedestal（1）In upper cabinet chamber
（2）With lower cabinet chamber（3）And it can slidingly be arranged on upper cabinet chamber respectively（2）With lower cabinet chamber（3）In upper cabinet body（21）With under
Cabinet（31）And it is arranged on upper cabinet body（21）The upper locked groove of lower right-hand side（22）And it is arranged on lower cabinet body（31）Above right side
Lower locked groove（32）, the pedestal（1）In be additionally provided with sliding chamber（23）With downslide chamber（33）, the upper sliding chamber（23）With downslide chamber
（33）Between be communicated with drive component cavity volume（4）, the upper sliding chamber（23）With the upper cabinet chamber（2）Right side communicate, under described
Sliding chamber（33）With the lower cabinet chamber（3）Right side communicate, the upper sliding chamber（23）With downslide chamber（33）Inside be respectively arranged with can on
Lower slider and symmetrical locking member, the locking member include lock slider（9）And it is arranged on the lock slider（9）Outside
The guide pad on surface（91）And it is arranged on the lock slider（9）In spring groove（81）And it is threaded through the spring groove（81）
In compressed spring（8）, the compressed spring（8）One end and the guide pad（91）It is connected, the other end and the pedestal（1）
Gear edge（11）It is connected, the driving component cavity volume（4）It is inside provided with to drive what two locking members slided up and down
Drive component, the driving component include driving motor（6）And with the driving motor（6）Outputting axial power connection drive
Dynamic disk（5）, the driving disk（5）On be provided with release recess（51）, the release recess（51）The left side be drive surface
（52）, the lock slider（9）Rear end face on be provided with and the drive surface（52）Upper edge（521）With lower edge
（522）What is abutted against compresses inclined-plane（92）, the driving motor（6）Periphery be provided with noise reduction set（62）, the noise reduction set
（62）With the pedestal（1）It is connected, the noise reduction set（62）Inner surface be pasted with silencing cotton, the noise reduction set（62）To subtract
Few driving motor（6）The noise generated at runtime, so as to reduce noise pollution, when locking as a result, the upper cabinet body
（21）And lower cabinet body（31）Upper cabinet chamber is slipped into respectively（2）With lower cabinet chamber（3）In in place after, pass through the driving motor（6）Driving
The driving disk（5）Rotation, due to the drive surface（52）Upper edge（521）With lower edge（522）It is compressed tiltedly with described
Face（92）Contact so that being arranged on the upper sliding chamber（23）The lock slider of interior locking member（9）Overcome the compression
Spring（8）Elastic force and move upwards and be inserted into the upper locked groove（22）It is interior, and it is arranged on downslide chamber（33）Interior sticking department
The lock slider of part（9）Overcome the compressed spring（8）Elastic force and move downward and be inserted into the lower locked groove（32）It is interior, when
The driving disk（5）Upper and lower end face respectively with the lock slider（9）Lock face（93）During abutting, the upper cabinet body
（21）And lower cabinet body（31）It is locked in the upper cabinet chamber respectively（2）With lower cabinet chamber（3）In, during unlock, the driving motor（6）
Continue to drive the driving disk（5）Rotation, when the lock slider（9）Lock face（93）It is detached from and the driving disk
（5）Upper and lower end face abut when, the lock slider（9）Lock face（93）Due to the compressed spring（8）Elastic force effect
And bounce back into the release recess（51）In, at this point, the upper cabinet body（21）And lower cabinet body（31）Locking be released unlock.
2. modified electric power drawout cubicle according to claim 1, it is characterised in that：The lock slider（9）It is inserted into institute
State locked groove（22）With lower locked groove（32）In one end be provided with lead angle（10）To facilitate the lock slider（9）It is quick respectively
It is inserted into the upper locked groove（22）With lower locked groove（32）In, the guide pad（91）With the lock slider（9）Integral type is set.
3. modified electric power drawout cubicle according to claim 1, it is characterised in that：The driving disk（5）For four/
Three cylindrical shapes, the release recess（51）For a quarter cylindrical shape.
4. modified electric power drawout cubicle according to claim 1, it is characterised in that：The upper cabinet body（21）And lower cabinet body
（31）Left end be both provided with pull-out element（7）In order to by the upper cabinet body（21）And lower cabinet body（31）Respectively from the upper cabinet chamber
（2）With lower cabinet chamber（3）Middle pull-out, the pull-out element（7）With the upper cabinet body（21）And lower cabinet body（31）It is connected by welding.
5. modified electric power drawout cubicle according to claim 1, it is characterised in that：The upper cabinet body（21）And lower cabinet body
（31）Size is identical, the upper locked groove（22）With lower locked groove（32）Size is identical and is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006405.1A CN106654955B (en) | 2016-11-16 | 2016-11-16 | A kind of modified electric power drawout cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006405.1A CN106654955B (en) | 2016-11-16 | 2016-11-16 | A kind of modified electric power drawout cubicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106654955A CN106654955A (en) | 2017-05-10 |
| CN106654955B true CN106654955B (en) | 2018-06-26 |
Family
ID=58805443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611006405.1A Active CN106654955B (en) | 2016-11-16 | 2016-11-16 | A kind of modified electric power drawout cubicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN106654955B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106358405B (en) * | 2016-11-16 | 2017-07-14 | 广州市金志电气科技发展有限公司 | A kind of electric power drawout cubicle |
| CN108683171B (en) * | 2018-07-25 | 2023-11-21 | 合肥森岑汽车用品有限公司 | Arc and resonance extinguishing device |
| CN114148601A (en) * | 2021-12-08 | 2022-03-08 | 湖南华大科技有限公司 | Storage device of electronic parts for electronic product production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000341812A (en) * | 1999-05-26 | 2000-12-08 | Terasaki Electric Co Ltd | Interlock unit in storing box for draw out type circuit breaker |
| CN203978053U (en) * | 2014-07-15 | 2014-12-03 | 北京祖阁家具有限公司 | A kind of drawer interlocking mechanism |
| CN205349014U (en) * | 2016-01-31 | 2016-06-29 | 林国贤 | Interlocking formula drawer group |
-
2016
- 2016-11-16 CN CN201611006405.1A patent/CN106654955B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000341812A (en) * | 1999-05-26 | 2000-12-08 | Terasaki Electric Co Ltd | Interlock unit in storing box for draw out type circuit breaker |
| CN203978053U (en) * | 2014-07-15 | 2014-12-03 | 北京祖阁家具有限公司 | A kind of drawer interlocking mechanism |
| CN205349014U (en) * | 2016-01-31 | 2016-06-29 | 林国贤 | Interlocking formula drawer group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106654955A (en) | 2017-05-10 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yin Jianguo Inventor before: Deng Congdi |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180402 Address after: 211200 Shandong Road, Changan Industrial Park, Lishui District, Nanjing, Jiangsu Province, No. 3 Applicant after: Jiangsu Huafu Electric Power Technology Co., Ltd. Address before: 315315 Zhejiang city of Ningbo province Cixi Guanhaiwei Kitamura Zhen Wei River City Pier Applicant before: Deng Congdi |
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| GR01 | Patent grant |