CN105673865B - Medical blood-qi circulating instrument electromagnetic pilot head - Google Patents
Medical blood-qi circulating instrument electromagnetic pilot head Download PDFInfo
- Publication number
- CN105673865B CN105673865B CN201610178455.1A CN201610178455A CN105673865B CN 105673865 B CN105673865 B CN 105673865B CN 201610178455 A CN201610178455 A CN 201610178455A CN 105673865 B CN105673865 B CN 105673865B
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- China
- Prior art keywords
- iron core
- base
- guide
- piston
- piston rod
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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
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston
Abstract
Medical blood-qi circulating instrument electromagnetic pilot head disclosed by the invention, including base, end cap and first guide assembly, inner sleeve and piston are respectively arranged with the valve chamber of base, piston rod is fixedly connected with piston, one end of inner sleeve adjacent piston bar is provided with taper flaring, and piston rod is provided with is flared corresponding round table surface with taper；First guide assembly includes first guide bracket, plunger tube, static iron core and active iron core, formed with first guide cavity between base, first guide bracket, plunger tube and static iron core, the internal activity of active iron core is provided with secondary dynamic iron core, the bottom sidewall of active iron core is provided with the by-pass prot connected with first guide cavity, and the bottom of secondary dynamic iron core is provided with the secondary dynamic iron core gasket coordinated with by-pass prot sealing；The outside of plunger tube is arranged with main coil component and by-pass coil assembly respectively.The configuration of the present invention is simple is reasonable, easy to operate, vdiverse in function easy to control and adjust the output flow of medical fluid, can effectively meet the actual needs.
Description
Technical field
The present invention relates to Medical blood-qi circulating instrument technical field, more particularly to a kind of Medical blood-qi circulating instrument electromagnetic pilot
Head.
Background technology
Medical blood-qi circulating instrument is a kind of medical instrument applied to operating room.Usually need to borrow in Medical blood-qi circulating instrument
Electromagnetic pilot head is helped to be controlled the flow of medical fluid.In practical work process, often not only need to make medical fluid
On or off, it is also necessary to control in real time and the output flow for adjusting medical fluid, and existing electromagnetic pilot head is usually only capable of
Playing the role of controlling the conducting or closure of fluid passage so that function is more single, causes to use there are larger limitation,
It can not meet the actual needs.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of Medical blood-qi circulating instrument electromagnetism is first
Top guide, its is simple and reasonable, easy to operate, easy to control and adjust the output flow of medical fluid, vdiverse in function, Neng Gouyou
Effect is met the actual needs.
To achieve the above object, the present invention uses following technical scheme：
Medical blood-qi circulating instrument electromagnetic pilot head of the present invention, including base, the end that is connected with the base engagement
The first guide assembly for covering, being arranged on the base, formed with valve chamber between the base and the end cap, on the base respectively
The input port connected with the valve chamber and delivery outlet are provided with, is respectively arranged with inner sleeve and piston in the valve chamber, the end cap,
The piston, the input port, the inner sleeve and the delivery outlet are sequentially arranged, be fixedly connected with the piston with it is described interior
Coaxial piston rod is covered, the free end of the piston rod is set towards the inner sleeve, the inner sleeve adjacent to one end of the piston rod
Taper flaring is equipped with, the free end of the piston rod is provided with is flared corresponding round table surface, the piston rod with the taper
Free end and the base between also support be equipped with resetting spring；
Elder generation's guide assembly includes first guide bracket and plunger tube, and the plunger tube is fixed by the first guide bracket with the base
Connection, the inside of the plunger tube is fixedly installed static iron core, is movably set with active iron core, the base, the first guide bracket,
Formed with first guide cavity between the plunger tube and the static iron core, connection gas source interface is separately provided in the base
Air inlet runner, the platform flow channel for controlling the piston action, the air inlet runner and the platform flow channel with the elder generation
Guide cavity communicates, and the bottom of the active iron core, which is inserted into guide's intracavitary and is sealed with the air inlet runner, to be coordinated, the master
Supported between the bottom of dynamic iron core and the first guide bracket and be equipped with active iron core spring；
The internal activity of the active iron core is provided with secondary dynamic iron core, and the bottom of the static iron core is inserted into the active iron
In-core and with the secondary dynamic iron core corresponding matching, supported between the pair dynamic iron core and the static iron core and be equipped with secondary dynamic iron core spring,
The bottom sidewall of the active iron core is provided with the by-pass prot connected with the first guide cavity, and the bottom of the pair dynamic iron core is provided with
The secondary dynamic iron core gasket coordinated with by-pass prot sealing；
The outside of the plunger tube is arranged with main coil component and by-pass coil assembly, the set of main coils successively from top to bottom
The coil turn of part is more than the coil turn of the by-pass coil assembly.
Further, the outer wall of the inner sleeve is arranged with reinforcing ring.
Further, inner sleeve sealing ring is embedded between the outer wall of the inner sleeve and the base.
Further, the guide holder with the piston rod corresponding matching, the guide holder are fixedly installed in the base
Between the piston and the input port.
Further, piston rod seals are embedded with the round table surface of the piston rod.
Further, the free end of the piston rod, which axially extends, is provided with newel, and the resetting spring is sheathed on
The outside of the newel.
Further, the bottom of the active iron core is embedded with the active iron core coordinated with air inlet runner sealing and seals
Pad.
Further, the axially disposed exhaust passage having with atmosphere of the static iron core, the top of the pair dynamic iron core
End is provided with the secondary dynamic iron core seal coordinated with the passageway seals, the pair dynamic iron core seal and the secondary dynamic iron
Inner spring is provided between core gasket, the side wall of the active iron core is provided with balance hole.
Beneficial effects of the present invention are：Medical blood-qi circulating instrument electromagnetic pilot head provided by the invention, during installation, inlet air flow
Road is connected with source of the gas, and input port is connected with medical fluid input equipment, and delivery outlet is connected with corresponding medical equipment, original state
Under, main coil component, by-pass coil assembly are not powered on so that active iron core and secondary dynamic iron core are not operating, at this time input port with
Equipped at outlet port is in maximum conducting state；
Under working status, when only by-pass coil assembly is powered, since by-pass coil assembly is provided under main coil component
Side, under the separated magnetic effect of plunger tube so that the functional areas of by-pass coil assembly are only corresponding with the position of secondary dynamic iron core, secondary at this time
Dynamic iron core drives secondary dynamic iron core gasket synchronously to move up under the action of electromagnetic force, promotes secondary dynamic iron core gasket away from bypass
Hole, and active iron core will not then act so that the compressed gas in air inlet runner only flow to guide's intracavitary through by-pass prot, and by work
Make runner into piston movement is driven in valve chamber, at this time piston overcome under gas pressure effect resetting spring elastic force and inwardly
Direction movement is covered, but again due to only secondary dynamic iron core action at this time so that the gas pressure into platform flow channel is relatively small, therefore
Piston is only capable of moving to half-travel position, although input port and delivery outlet are still in conducting state, the circle of piston rod at this time
Radial clearance between the taper flaring of table top and inner sleeve reduces so that the output flow of delivery outlet correspondingly reduces；
When main coil component is powered, under the action of electromagnetic attraction, active iron core and secondary dynamic iron core act, inlet air flow
Gas in road increases through first guide cavity completely into the pressure that in platform flow channel, piston is subject to so that piston continues to overcome reset
The elastic force of spring and move to full stroke position, at this time the round table surface of piston rod and inner sleeve taper flaring it is in sealing contact, input
Discharged between mouth and delivery outlet in the state that is closed, delivery outlet without fluid.
In conclusion the on or off of medical fluid can not only be realized during present invention work, while can also basis
Need control in real time and adjust the output flow of medical fluid, it is vdiverse in function, can effectively it meet the actual needs.The present invention
Structure setting advantages of simple, it is easy to operate.
Brief description of the drawings
Fig. 1 is the overall structure diagram under original state of the present invention；
Fig. 2 is structure diagram at A in Fig. 1；
Fig. 3 is working state structure schematic diagram when by-pass coil assembly of the present invention is powered；
Fig. 4 is working state structure schematic diagram when main coil component of the present invention is powered.
In Fig. 1 to Fig. 4：
1st, base；11st, input port；12nd, delivery outlet；13rd, inner sleeve；131st, taper is flared；132nd, inner sleeve sealing ring；14th, it is living
Plug；15th, piston rod；151st, round table surface；152nd, piston rod seals；153rd, newel；16th, resetting spring；17th, air inlet runner；
18th, platform flow channel；19th, reinforcing ring；20th, guide holder；2nd, end cap；3rd, valve chamber；41st, first guide bracket；42nd, plunger tube；43rd, static iron core；
431st, exhaust passage；44th, active iron core；441st, by-pass prot；442nd, active iron core gasket；443rd, balance hole；45th, first guide cavity；
46th, active iron core spring；47th, secondary dynamic iron core；471st, secondary dynamic iron core gasket；472nd, secondary dynamic iron core seal；473rd, inner spring；
48th, secondary dynamic iron core spring；49th, main coil component；50th, by-pass coil assembly.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
Medical blood-qi circulating instrument electromagnetic pilot head as shown in Figures 1 to 4, including base 1, with base 1 be connected
End cap 2, the first guide assembly being arranged on base 1, formed with valve chamber 3 between base 1 and end cap 2, be respectively arranged with base 1 with
The input port 11 and delivery outlet 12 that valve chamber 3 connects, are respectively arranged with inner sleeve 13 and piston 14 in valve chamber 3, end cap 2, piston 14, defeated
Entrance 11, inner sleeve 13 and delivery outlet 12 are sequentially arranged, and the piston rod 15 coaxial with inner sleeve 13, piston are fixedly connected with piston 14
Towards inner sleeve 13, one end of 13 adjacent piston bar 15 of inner sleeve is provided with taper flaring 131 for the free end of bar 15, piston rod 15 from
It is provided with by end and is flared 131 corresponding round table surfaces 151 with taper, also supports being equipped between the free end of piston rod 15 and base 1
Resetting spring 16.
First guide assembly includes first guide bracket 41 and plunger tube 42, plunger tube 42 and is fixedly connected by first guide bracket 41 with base 1, every
The inside of magnetic tube 42 is fixedly installed static iron core 43, is movably set with active iron core 44, base 1, first guide bracket 41, plunger tube 42 and
Formed with first guide cavity 45 between static iron core 43, the air inlet runner 17 of connection gas source interface is separately provided in base 1, is used for
The platform flow channel 18 that control piston 14 acts, air inlet runner 17 and platform flow channel 18 are communicated with first guide cavity 45, active iron core 44
Bottom be inserted into first guide cavity 45 and sealed with air inlet runner 17 and coordinate, supported between the bottom of active iron core 44 and first guide bracket 41
Equipped with active iron core spring 46.
The internal activity of active iron core 44 is provided with secondary dynamic iron core 47, and the bottom of static iron core 43 is inserted into active iron core 44
And with secondary 47 corresponding matching of dynamic iron core, supported between secondary dynamic iron core 47 and static iron core 43 and be equipped with secondary dynamic iron core spring 48, active iron core
44 bottom sidewall is provided with the by-pass prot 441 connected with first guide cavity 45, and the bottom of secondary dynamic iron core 47 is provided with and by-pass prot 441
Seal the secondary dynamic iron core gasket 471 coordinated.The outside of plunger tube 42 is arranged with main coil component 49 and pair successively from top to bottom
Coil block 50, the coil turn of main coil component 49 are more than the coil turn of by-pass coil assembly 50.
Medical blood-qi circulating instrument electromagnetic pilot head provided by the invention, during installation, air inlet runner 17 is connected with source of the gas, input
Mouth 11 is connected with medical fluid input equipment, and delivery outlet 12 is connected with corresponding medical equipment, under original state, referring to Fig. 1 and figure
2, main coil component 49, by-pass coil assembly 50 are not powered on so that active iron core 44 and secondary dynamic iron core 47 are not operating, defeated at this time
Entrance 11 is in maximum conducting state with delivery outlet 12；
Under working status, when only by-pass coil assembly 50 is powered, referring to Fig. 3, since by-pass coil assembly 50 is provided in master
The lower section of coil block 49, under the separated magnetic effect of plunger tube 42 so that the functional areas of by-pass coil assembly 50 only with secondary dynamic iron core
47 position is corresponding, and secondary dynamic iron core 47 drives secondary dynamic iron core gasket 471 synchronously to move up under the action of electromagnetic force at this time, promotees
Make secondary dynamic iron core gasket 471 away from by-pass prot 441, and active iron core 44 will not then act so that the pressure in air inlet runner 17
Contracting gas is only flow in first guide cavity 45 through by-pass prot 441, and is entered driving piston 14 in valve chamber 3 by platform flow channel 18 and moved, this
When piston 14 elastic force of resetting spring 16 is overcome under gas pressure effect and is moved towards 13 direction of inner sleeve, but again due at this time
Only secondary dynamic iron core 47 acts so that the gas pressure into platform flow channel 18 is relatively small, therefore piston 14 is only capable of moving to hemistich
Journey position, although input port 11 and delivery outlet 12 are still in conducting state, the round table surface 151 and inner sleeve of piston rod 15 at this time
Radial clearance between 13 taper flaring 131 reduces so that the output flow of delivery outlet 12 correspondingly reduces；
When main coil component 49 is powered, referring to Fig. 4, under the action of electromagnetic attraction so that active iron core 44 and pair are moved
Iron core 47 acts, and the gas in air inlet runner 17 is through first guide cavity 45 completely into the pressure that in platform flow channel 18, piston 14 is subject to
Power increases so that piston 14 continues to overcome the elastic force of resetting spring 16 and move to full stroke position, at this time the circle of piston rod 15
The taper flaring 131 of table top 151 and inner sleeve 13 is in sealing contact, is between input port 11 and delivery outlet 12 and is closed state, defeated
Discharged without fluid outlet 12.
In conclusion the on or off of medical fluid can not only be realized during present invention work, while can also basis
Need control in real time and adjust the output flow of medical fluid, it is vdiverse in function, can effectively it meet the actual needs.The present invention
Structure setting advantages of simple, it is easy to operate.
The outer wall of inner sleeve 13 is arranged with reinforcing ring 19, is stablized by the position for setting reinforcing ring 19 to effectively increase inner sleeve 13
Property.Inner sleeve sealing ring 132 is embedded between the outer wall and base 1 of inner sleeve 13, improves the leakproofness inside base 1.In order to make
Concentricity higher when piston rod 15 moves, the guide holder 20 with 15 corresponding matching of piston rod is fixedly installed in base 1, is oriented to
Seat 20 is between piston 14 and input port 11.
Piston rod seals 152 are embedded with the round table surface 151 of piston rod 15, when piston 14 is run to full stroke, are led to
Plugging effect can be effectively improved by crossing piston rod seals 152, and working performance is more stable.The free end of piston rod 15 is vertically
Being extended has newel 153, and resetting spring 16 is sheathed on the outside of newel 153, and newel 153 effectively strengthens reset bullet
The position degree of spring 16.In order to improve plugging effect of the active iron core 44 to air inlet runner 17, the bottom of active iron core 44 is embedded with
The active iron core gasket 442 coordinated with the sealing of air inlet runner 17.
Static iron core 43 is axially disposed have with the exhaust passage of atmosphere 431, the top of secondary dynamic iron core 47 be provided with
The secondary dynamic iron core seal 472 that the sealing of exhaust passage 431 coordinates, secondary dynamic iron core seal 472 and secondary dynamic iron core gasket 471 it
Between be provided with inner spring 473, the side wall of active iron core 44 is provided with balance hole 443.When piston 14 is in the driving of resetting spring 16
During lower reset, the gas in first guide cavity 45 is expelled to air through balance hole 443, exhaust passage 431 successively.
The above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (8)
1. Medical blood-qi circulating instrument electromagnetic pilot head, it is characterised in that：The end cap that is connected including base, with the base engagement,
The first guide assembly being arranged on the base, formed with valve chamber between the base and the end cap, sets respectively on the base
The input port connected with the valve chamber and delivery outlet are equipped with, inner sleeve and piston, the end cap, institute are respectively arranged with the valve chamber
State piston, the input port, the inner sleeve and the delivery outlet to be sequentially arranged, be fixedly connected with the piston and the inner sleeve
Coaxial piston rod, the free end of the piston rod are set towards the inner sleeve, the inner sleeve adjacent to one end of the piston rod
There is taper flaring, the free end of the piston rod is provided with is flared corresponding round table surface with the taper, the piston rod
Also supported between free end and the base and be equipped with resetting spring；
Elder generation's guide assembly includes first guide bracket and plunger tube, and the plunger tube is fixed by the first guide bracket with the base to be connected
Connect, the inside of the plunger tube is fixedly installed static iron core, is movably set with active iron core, the base, the first guide bracket, institute
State between plunger tube and the static iron core formed with first guide cavity, be separately provided in the base connection gas source interface into
Flow channel, the platform flow channel for controlling the piston action, the air inlet runner and the platform flow channel with the guide
Chamber communicates, and the bottom of the active iron core, which is inserted into guide's intracavitary and is sealed with the air inlet runner, to be coordinated, the active
Supported between the bottom of iron core and the first guide bracket and be equipped with active iron core spring；
The internal activity of the active iron core is provided with secondary dynamic iron core, and the bottom of the static iron core is inserted into the active iron core
And with the secondary dynamic iron core corresponding matching, supported between the pair dynamic iron core and the static iron core and be equipped with secondary dynamic iron core spring, it is described
The bottom sidewall of active iron core is provided with the by-pass prot connected with the first guide cavity, and the bottom of the pair dynamic iron core is provided with and institute
State the secondary dynamic iron core gasket that by-pass prot sealing coordinates；
The outside of the plunger tube is arranged with main coil component and by-pass coil assembly successively from top to bottom, the main coil component
Coil turn is more than the coil turn of the by-pass coil assembly.
2. Medical blood-qi circulating instrument electromagnetic pilot head according to claim 1, it is characterised in that：The outer wall set of the inner sleeve
Equipped with reinforcing ring.
3. Medical blood-qi circulating instrument electromagnetic pilot head according to claim 1 or 2, it is characterised in that：Outside the inner sleeve
Inner sleeve sealing ring is embedded between wall and the base.
4. Medical blood-qi circulating instrument electromagnetic pilot head according to claim 1, it is characterised in that：Fixation is set in the base
The guide holder with the piston rod corresponding matching is equipped with, the guide holder is between the piston and the input port.
5. Medical blood-qi circulating instrument electromagnetic pilot head according to claim 1, it is characterised in that：The round platform of the piston rod
Piston rod seals are embedded with face.
6. Medical blood-qi circulating instrument electromagnetic pilot head according to claim 1, it is characterised in that：The freedom of the piston rod
End, which axially extends, is provided with newel, and the resetting spring is sheathed on the outside of the newel.
7. Medical blood-qi circulating instrument electromagnetic pilot head according to claim 1, it is characterised in that：The bottom of the active iron core
Portion is embedded with the active iron core gasket coordinated with air inlet runner sealing.
8. Medical blood-qi circulating instrument electromagnetic pilot head according to claim 1, it is characterised in that：The static iron core is vertically
The exhaust passage with atmosphere is provided with, the top of the pair dynamic iron core is provided with the pair coordinated with the passageway seals
Dynamic iron core seal, inner spring, the active are provided between the pair dynamic iron core seal and the secondary dynamic iron core gasket
The side wall of iron core is provided with balance hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178455.1A CN105673865B (en) | 2016-03-28 | 2016-03-28 | Medical blood-qi circulating instrument electromagnetic pilot head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178455.1A CN105673865B (en) | 2016-03-28 | 2016-03-28 | Medical blood-qi circulating instrument electromagnetic pilot head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673865A CN105673865A (en) | 2016-06-15 |
| CN105673865B true CN105673865B (en) | 2018-04-17 |
Family
ID=56224071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178455.1A Active CN105673865B (en) | 2016-03-28 | 2016-03-28 | Medical blood-qi circulating instrument electromagnetic pilot head |
Country Status (1)
| Country | Link |
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| CN (1) | CN105673865B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838437A (en) * | 2017-04-10 | 2017-06-13 | 福建省南平市顺华阳电器有限责任公司 | A kind of water supply regulating valve and the brake water-cooling system using the water supply regulating valve |
| CN109915645A (en) * | 2019-01-21 | 2019-06-21 | 深圳市速牌科技有限公司 | A kind of angle valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH543029A (en) * | 1972-04-04 | 1973-10-15 | Lucifer Sa | Three-way fluid valve |
| US5947442A (en) * | 1997-09-10 | 1999-09-07 | Cummins Engine Company, Inc. | Solenoid actuated valve assembly |
| CN201236966Y (en) * | 2008-07-16 | 2009-05-13 | 宁波星箭航天机械厂 | Two-position three way electromagnetic valve |
| CN201407365Y (en) * | 2009-05-14 | 2010-02-17 | 应俊 | Bistable electromagnetic valve with integral structure |
| CN203477329U (en) * | 2013-08-19 | 2014-03-12 | 南京理工大学 | High-pressure solenoid valve of parallel valve core type |
| CN103759021B (en) * | 2013-12-26 | 2017-11-10 | 鞍山电磁阀有限责任公司 | Electromagnetic driven stop valve is used in a kind of pile top of nuclear power station exhaust |
| CN203703316U (en) * | 2014-01-09 | 2014-07-09 | 奉化市安利特机械有限公司 | Normally-opened type pilot solenoid valve high in sensitivity |
| CN205503999U (en) * | 2016-03-28 | 2016-08-24 | 奉化市安利特机械有限公司 | Medical vim and vigour circulation appearance electromagnetism elder generation top guide |
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2016
- 2016-03-28 CN CN201610178455.1A patent/CN105673865B/en active Active
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| CN105673865A (en) | 2016-06-15 |
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Address after: Yongan road Xikou Town Industrial Park Fenghua District Zhejiang city of Ningbo province No. 7 315500 Applicant after: Ningbo anlite Machinery Co., Ltd. Address before: 315500 Yongan road Zhejiang city Fenghua province Xikou Industrial Park No. 7 Applicant before: FENGHUA ANLITE MACHINERY CO., LTD. |
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