CN109296753B - A kind of lifting valve device for dust collector - Google Patents
A kind of lifting valve device for dust collector Download PDFInfo
- Publication number
- CN109296753B CN109296753B CN201811252952.7A CN201811252952A CN109296753B CN 109296753 B CN109296753 B CN 109296753B CN 201811252952 A CN201811252952 A CN 201811252952A CN 109296753 B CN109296753 B CN 109296753B
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- Prior art keywords
- air
- valve
- valve plate
- fixed frame
- purifying chamber
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to deduster poppet technical fields, more particularly to a kind of lifting valve device for dust collector, including air-purifying chamber, fixed frame is equipped at the top of air-purifying chamber, fixed frame top left side is equipped with driving motor, the first angular wheel is equipped on front side of driving motor output shaft, first angular wheel is engaged with the second angular wheel, second angular wheel is arranged on lead screw top, lead screw is rotatedly connected through fixed frame middle top with air-purifying chamber roof, the present invention provides a kind of lifting valve device for dust collector, not only by under the action of driving motor, multiple valve plates and valve seat cooperate, sealing effect is more preferably, so that entire air-purifying chamber is in completely enclosed state, and by under the action of suction ventilator, air enters spray head through air inlet pipe under the cooling effect of condenser and carries out timely cooling processing to device, effectively prevent that temperature is excessively high to be made The phenomenon that part generation falls off is obtained, while by carrying out replacement processing to the second valve plate, it is easy to disassemble.
Description
Technical field
The present invention relates to deduster poppet technical fields, and in particular to a kind of lifting valve device for dust collector.
Background technique
Currently, deduster be widely applied with metallurgy, electric power, chemical industry, the discharge volume of smoke such as build work field in, for only
Change dusty gas.In general, being equipped with poppet, in deduster for being opened and closed dirt pocket, the poppet valve device of sack cleaner
Play the role of controlling air-purifying chamber and exhaust pass on-off.In general, be provided with valve plate in air-purifying chamber, when needing air-purifying chamber and go out
When mouth flue connection, valve plate is driven to rise to open the access between air-purifying chamber and exhaust pass by poppet valve device, conversely,
Drive valve plate decline to block the access between air-purifying chamber and exhaust pass by poppet valve device.Common poppet valve device is
Pneumatic type, pneumatic type poppet valve device control the up and down motion of valve plate by injecting compressed air in cylinder, need to spread thus
If a large amount of gas source pipes, support and various gas source accessories, not only consumptive material is serious, at high cost, and pipeline is laid on deduster shell
It around body, also influences beautiful, can also interfere with other facilities such as landing etc..In addition, compressed air system can not also accomplish
Absolute pressure maintaining is easy leakage, and in cold district, compressed air, which is once cooled, will be condensed out ice fog, lead to cylinder interior knot
Ice, poppet valve device can not work, and leakproofness is bad between valve plate and valve seat, while not carry out timely to poppet
Cooling processing, to influence the normal operation of work.
To solve this problem, poppet valve device is now designed as electrodynamic type, i.e., drives what is connect with valve plate to push away by motor
Bar moves up and down, and makes valve plate opening or blocks matching for the access and multiple valve plates and valve seat between air-purifying chamber and exhaust pass
It closes and uses, improve sealing effect.We need to research and develop a kind of lifting valve device for dust collector to solve the above problems thus.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of lifting valve device for dust collector, not only pass through driving motor
Under the action of, reach the first valve plate and the first valve seat, the second valve plate and matched with the second valve seat, sealing effect more preferably so that whole
A air-purifying chamber is in completely enclosed state, and guarantee dust emission is up to standard, and by the way that under the action of suction ventilator, air is passed through
Air inlet pipe enters spray head under the cooling effect of condenser and carries out timely cooling processing to device, effectively prevents temperature mistake
The phenomenon that height makes part generation fall off, the service life of poppet is extended, while by carrying out at replacement to the second valve plate
Reason, easy to operate, easy to disassemble and replacement is practical, greatly reduces the working strength of staff.
The present invention is achieved by the following technical programs:
A kind of lifting valve device for dust collector, including air-purifying chamber, the air-purifying chamber top are equipped with fixed frame, the fixed frame top
Driving motor is installed on the left of portion, is equipped with the first angular wheel, first angular wheel on front side of the driving motor output shaft
It is engaged with the second angular wheel, the second angular wheel setting is on lead screw top, and the lead screw is at the top of the fixed frame
Middle part is rotatedly connected with the air-purifying chamber roof, and nut is arranged at the screw thread of the lead screw, and the nut left and right sides is symmetrical
Equipped with L shape bar, wall top is symmetrically arranged with sliding block at left and right sides of the L shape bar, and sliding is connected between the sliding block and sliding rail, described
Sliding rail is symmetricly set at left and right sides of the fixed frame in the middle part of wall, and the air-purifying chamber roof positioned at the lead screw both ends is symmetrically set
There is pilot hole, the pilot hole is matched with the L shape bar side wall, and the bottom of the L shape bar is arranged at the top of the first valve plate, institute
It states and is symmetrically arranged with two groups of reinforcing ribs between the lower part of L shape bar and first valve plate, the is equipped in the middle part of first valve plate bottom
Two valve plates are connected, positioned at second valve plate two sides by fixing bolt between first valve plate and second valve plate
The first valve plate bottom symmetrical is equipped with bolt, and the bolt is matched with slot, and the slot is symmetricly set on the first valve seat
Top two sides, the first valve seat fit inside have the second valve seat, symmetrically opened up at the top of second valve seat it is fluted, it is described recessed
It is furnished with movable block in slot, return spring is equipped between the movable block bottom and the bottom portion of groove, is set at the top of the movable block
There is compression bar, second valve seat is matched with dust flue, and the dust flue is connected with the air-purifying chamber, is located at the fixed frame
It is equipped with suction ventilator at the top of the air-purifying chamber on right side, is connected on the left of the suction ventilator with air inlet pipe, the air inlet pipe runs through institute
It states and is connected on the right side of fixed frame roof with spray head, the air inlet pipe top sets condenser, and the condenser is arranged in the fixation
On the right side of arch.
Preferably, the lead screw is rotatedly connected with the fixed frame roof.
Preferably, first valve plate is matched with the first valve seat, and second valve plate is matched with second valve seat,
And the height of first valve seat is greater than the height of second valve seat.
Preferably, the groove top is equipped with limited block, and the limited block is matched with the movable block, on the groove
Portion is matched with the movable block.
Preferably, the spray head is inclined to set, and the spray head is matched with the L shape bar.
Preferably, the diameter of the air inlet pipe in the condenser increases.
Preferably, the driving motor is positive and negative rotation servo motor.
The invention has the benefit that
1, by the way that under the action of driving motor, the first valve plate of arrival and the first valve seat, bolt match lower realization with slot
Closing, the second valve plate are matched with the second valve seat, under the mating reaction by multiple valve plates and valve seat, have reached secondary seal
Effect, more preferably, so that entire air-purifying chamber is in completely enclosed state, guarantee dust emission is up to standard for sealing effect.
2, by under the action of suction ventilator, air enter under the cooling effect of condenser through air inlet pipe spray head to device into
Timely cooling is handled row, effectively prevents that temperature is excessively high so that part generation the phenomenon that falling off, improves efficiency of dust collection, prolong
The service life of poppet has been grown, production cost is saved.
3, by carrying out replacement processing to the second valve plate, staff only needs to unscrew fixing bolt, after the completion of replacement, twists
Bolt is fastened, easy to operate, easy to disassemble and replacement is practical, greatly reduces the working strength of staff.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical 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
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of condenser of the invention；
Fig. 3 is the enlarged drawing of A of the present invention.
In figure: 1- air-purifying chamber, 2- fixed frame, 3- driving motor, the first angular wheel of 4-, the second angular wheel of 5-, 6-
Thick stick, 7- nut, 8-L shape bar, 9- sliding block, 10- sliding rail, 11- pilot hole, the first valve plate of 12-, 13- reinforcing rib, the second valve plate of 14-,
15- fixing bolt, 16- bolt, 17- slot, the first valve seat of 18-, the second valve seat of 19-, 20- groove, 21- movable block, 22- return
Spring, 23- compression bar, 24- limited block, 25- dust flue, 26- suction ventilator, 27- air inlet pipe, 28- condenser, 29- spray head.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of lifting valve device for dust collector, including air-purifying chamber 1 are equipped with fixed frame 2,2 top left of fixed frame at the top of air-purifying chamber 1
Side is equipped with driving motor 3, and the first angular wheel 4, the first angular wheel 4 and the second cone are equipped on front side of 3 output shaft of driving motor
Shape gear 5 engages, and the setting of the second angular wheel 5 is pushed up in 6 top of lead screw, lead screw 6 through 2 middle top of fixed frame and air-purifying chamber 1
Wall is rotatedly connected, and lead screw 6 is rotatedly connected with 2 roof of fixed frame, and nut 7,7 left and right sides of nut are arranged at the screw thread of lead screw 6
It is symmetrically arranged with L shape bar 8,8 left and right sides wall top of L shape bar is symmetrically arranged with sliding block 9, and sliding is connected between sliding block 9 and sliding rail 10, sliding
Rail 10 is symmetricly set at left and right sides of fixed frame in the middle part of wall.
1 roof of air-purifying chamber positioned at 6 both ends of lead screw is symmetrically arranged with pilot hole 11, and pilot hole 11 and 8 side wall of L shape bar match
It closes, the bottom setting of L shape bar 8 is symmetrically arranged with two groups between the lower part of L shape bar 8 and the first valve plate 12 at 12 top of the first valve plate
Reinforcing rib 13,12 bottom of the first valve plate middle part are equipped with the second valve plate 14, pass through fixation between the first valve plate 12 and the second valve plate 14
Bolt 15 is connected, and 12 bottom symmetrical of the first valve plate positioned at 14 two sides of the second valve plate is equipped with bolt 16, bolt 16 and 17 phase of slot
Cooperation, slot 17 are symmetricly set on 18 top two sides of the first valve seat, and 18 fit inside of the first valve seat has the second valve seat 19, the second valve
19 top of seat symmetrically opens up fluted 20, is furnished with movable block 21 in groove 20,21 bottom of movable block and groove are set between 20 bottom
There is return spring 22, be equipped with compression bar 23 at the top of movable block 21, the second valve seat 19 is matched with dust flue 25, dust flue 25 and net gas
Room 1 is connected.
Suction ventilator 26 is equipped at the top of the air-purifying chamber 1 on 2 right side of fixed frame, 26 left side of suction ventilator is connected with air inlet pipe 27
Logical, air inlet pipe 27 is connected on the right side of 2 roof of fixed frame with spray head 29, and 27 top of air inlet pipe sets condenser 28, condenser 28
It is arranged in 2 top right side of fixed frame.
Specifically, the first valve plate 12 is matched with the first valve seat 18, the second valve plate 14 is matched with the second valve seat 19, and the
The height of one valve seat 18 is greater than the height of the second valve seat 19, and stability is strong, and sealing effect is more preferably.
Specifically, being equipped with limited block 24 at the top of groove 20, limited block 24 is matched with movable block 21,20 top of groove and shifting
Motion block 21 matches.
Specifically, spray head 29 is inclined to set, and spray head 29 is matched with L shape bar 8, improves cooling efficiency.
Specifically, the diameter for the air inlet pipe 27 being located in condenser 28 increases, air cooling velocity is accelerated, has been saved cold
But the time.
Specifically, driving motor 3 is positive and negative rotation servo motor, servo motor output is stablized, and safety coefficient is high.
The present invention carry out in use, but need poppet to decline, when so that dust flue 25 and air-purifying chamber 1 being closed, control is driven
Dynamic motor 3 rotates forward, and 3 output shaft of driving motor drives the rotation of the first angular wheel 4, and the first angular wheel 4 drives the second conical tooth
5 rotation of wheel, the second angular wheel 5 drive lead screw 6 to rotate, and by the effect of lead screw 6 and nut 7, drive L shape bar 8 in 9 He of sliding block
It is moved downward under the cooperation of sliding rail 10, to drive the first valve plate 12 and the second valve plate 14 to move downward, when the first valve plate 12
On bolt 16 when being matched with the slot 17 on the first valve seat 18, control driving motor 3 stops working, at this time the second valve plate 14
Return spring 22 is squeezed by compression bar 23, has reached the second valve plate 14 and has been matched with the second valve seat 19, passed through multiple valve plates and valve
Under the mating reaction of seat, achieved the effect that sealing, sealing effect more preferably so that entire air-purifying chamber 1 is in completely enclosed
State, guarantee that dust emission is up to standard.If being loosened between the first valve plate 12 and the first valve seat 18, in the work of return spring 22
Under, so that being closely joined together between the first valve plate 12 and the first valve seat 18, the first valve plate 12 and are effectively prevented
It is loosened between one valve seat 18, thus the dust removing effects that stop.
When needing poppet to rise, when so that dust flue 25 being connected to air-purifying chamber 1, control driving motor 3 is inverted, and works as nut
7, which return to control driving motor 3 after initial position, stops working, and the first valve plate 12 is separated with the first valve seat 18 at this time, the second valve plate
14 separate with the second valve seat 19, control suction ventilator 26 and condenser 28 at this time and work, under the action of suction ventilator 26, air pass through into
Tracheae 27 enters spray head 29 under the cooling effect of condenser 28 and carries out timely cooling processing to device, effectively prevents temperature
The phenomenon that height makes part generation fall off is spent, efficiency of dust collection is improved, extends the service life of poppet, saving is produced into
This.
When needing to carry out the second valve plate 14 replacement processing, staff only needs to unscrew fixing bolt 15, has replaced
Cheng Hou tightens fixing bolt 15, easy to operate, easy to disassemble and replacement, practical, greatly reduces staff's
Working strength.
The control mode of above-mentioned driving motor 3, condenser 28 and suction ventilator 26 by peripheral control unit matched with its into
Row control, the model MAM-200 of controller, and control circuit can be real by those skilled in the art's simple programming
It is existing, belong to the common knowledge of this field, only it is carried out using not making improvements, and the present invention is mainly used to protect
Mechanical device, so the present invention is not explained control mode and circuit connection.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of lifting valve device for dust collector, including air-purifying chamber and driving motor, it is characterised in that: be equipped at the top of the air-purifying chamber
Fixed frame, the driving motor are mounted on fixed frame top left side, are equipped with the first conical tooth on front side of the driving motor output shaft
Wheel, first angular wheel are engaged with the second angular wheel, and second angular wheel is arranged in lead screw top, the lead screw
It is rotatedly connected through the fixed frame middle top and the air-purifying chamber roof, nut, institute is arranged at the screw thread of the lead screw
It states and is symmetrically arranged with L shape bar at left and right sides of nut, wall top is symmetrically arranged with sliding block, the sliding block and cunning at left and right sides of the L shape bar
It slides and is connected between rail, the sliding rail is symmetricly set at left and right sides of the fixed frame in the middle part of wall, positioned at the lead screw both ends
The air-purifying chamber roof is symmetrically arranged with pilot hole, and the pilot hole is matched with the L shape bar side wall, the bottom of the L shape bar
It is arranged at the top of the first valve plate, is symmetrically arranged with two groups of reinforcing ribs between the lower part of the L shape bar and first valve plate, described the
It is equipped with the second valve plate in the middle part of one valve plate bottom, is connected between first valve plate and second valve plate by fixing bolt, position
The first valve plate bottom symmetrical in second valve plate two sides is equipped with bolt, and the bolt is matched with slot, described to insert
Slot is symmetricly set on two sides at the top of the first valve seat, and the first valve seat fit inside has the second valve seat, the second valve seat top
It symmetrically opens up fluted, is furnished with movable block in the groove, return is equipped between the movable block bottom and the bottom portion of groove
Spring, the movable block top are equipped with compression bar, and second valve seat is matched with dust flue, the dust flue and the air-purifying chamber
It is connected, suction ventilator, the suction ventilator left side and air inlet pipe phase is equipped at the top of the air-purifying chamber on the right side of the fixed frame
Connection, the air inlet pipe are connected on the right side of the fixed frame roof with spray head, and the air inlet pipe top sets condenser, described
Condenser is arranged in the fixed frame top right side.
2. a kind of lifting valve device for dust collector according to claim 1, it is characterised in that: the lead screw and the fixed frame
Roof is rotatedly connected.
3. a kind of lifting valve device for dust collector according to claim 1, it is characterised in that: first valve plate and the first valve
Seat matches, and second valve plate is matched with second valve seat, and the height of first valve seat is greater than second valve
The height of seat.
4. a kind of lifting valve device for dust collector according to claim 1, it is characterised in that: the groove top is equipped with limit
Block, the limited block are matched with the movable block, and the groove top is matched with the movable block.
5. a kind of lifting valve device for dust collector according to claim 1, it is characterised in that: the spray head is inclined to set,
And the spray head is matched with the L shape bar.
6. a kind of lifting valve device for dust collector according to claim 1, it is characterised in that: the institute in the condenser
The diameter for stating air inlet pipe increases.
7. a kind of lifting valve device for dust collector according to claim 1, it is characterised in that: the driving motor is positive and negative rotation
Servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252952.7A CN109296753B (en) | 2018-10-25 | 2018-10-25 | A kind of lifting valve device for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252952.7A CN109296753B (en) | 2018-10-25 | 2018-10-25 | A kind of lifting valve device for dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109296753A CN109296753A (en) | 2019-02-01 |
| CN109296753B true CN109296753B (en) | 2019-11-12 |
Family
ID=65158885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811252952.7A Active CN109296753B (en) | 2018-10-25 | 2018-10-25 | A kind of lifting valve device for dust collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN109296753B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931412A (en) * | 2019-04-10 | 2019-06-25 | 浙江天地环保科技有限公司 | The device of major diameter poppet valve plate vibration is eliminated under a kind of high-speed flow |
| CN110966422A (en) * | 2019-12-12 | 2020-04-07 | 海南云脉物联科技有限公司 | Irrigation valve control device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135392Y (en) * | 1992-09-05 | 1993-06-09 | 鞍山市通风除尘设备总厂 | Intermittent countblow ash-cleaner for mechanical rotary bag type dust remover |
| JP2767025B2 (en) * | 1994-09-16 | 1998-06-18 | 日本スピンドル製造株式会社 | Switching damper for dust collector |
| CN203540236U (en) * | 2013-06-25 | 2014-04-16 | 韶关市曲江盛大冶金渣环保科技开发有限公司 | Back flushing vibration bag-type dust collector |
| CN205199162U (en) * | 2015-12-07 | 2016-05-04 | 福建龙净环保股份有限公司 | Bag collector's poppet valve device |
| CN106733246B (en) * | 2017-02-17 | 2018-09-14 | 福建省速卖通电子商务有限公司 | A kind of cyclone dust collectors with cleaning function |
| CN107596817A (en) * | 2017-11-01 | 2018-01-19 | 张伟萍 | One kind disassembles convenient deduster |
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2018
- 2018-10-25 CN CN201811252952.7A patent/CN109296753B/en active Active
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| CN109296753A (en) | 2019-02-01 |
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Effective date of registration: 20191018 Address after: No.9-1, taimen lane, Tantou village, Letan Town, Wuyi County, Jinhua City, 321000 Zhejiang Province Applicant after: Zhu Bin Address before: 243000 No. 138, Huanfeng North Road, Hanlin Community, Huanfeng Town, Hanshan County, Ma'anshan City, Anhui Province, 5-2-2 Applicant before: Cheng Bin |
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Effective date of registration: 20201208 Address after: No.88 Gangcheng Avenue, Dongtai coastal economic zone, Dongtai City, Yancheng City, Jiangsu Province 224200 Patentee after: Dongtai Haibin science and Technology Pioneer Park Management Co.,Ltd. Address before: No.9-1, taimen lane, Tantou village, Letan Town, Wuyi County, Jinhua City, 321000 Zhejiang Province Patentee before: Zhu Bin |
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Effective date of registration: 20230714 Address after: Gangqu 3rd Road, Dongtai Coastal Economic Development Zone, Yancheng City, Jiangsu Province, 224000 Patentee after: Jiangsu Kaiti Aisiyou Mechanical Parts Co.,Ltd. Address before: No.88 Gangcheng Avenue, Dongtai coastal economic zone, Dongtai City, Yancheng City, Jiangsu Province 224200 Patentee before: Dongtai Haibin science and Technology Pioneer Park Management Co.,Ltd. |