CN104847632B - Pneumatic diaphragm pump - Google Patents
Pneumatic diaphragm pump Download PDFInfo
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- CN104847632B CN104847632B CN201510277261.2A CN201510277261A CN104847632B CN 104847632 B CN104847632 B CN 104847632B CN 201510277261 A CN201510277261 A CN 201510277261A CN 104847632 B CN104847632 B CN 104847632B
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Abstract
The invention discloses a pneumatic diaphragm pump comprising a pump body. A water outlet tee joint and a water inlet tee joint are arranged at the upper end and the lower end of the pump body respectively. Liquid cavities communicated with the water outlet tee joint and the water inlet tee joint are formed in two ends of the pump body respectively. Water stop balls are arranged at the joint between the water outlet tee joint and the corresponding liquid cavity and between the water inlet tee joint and the corresponding liquid cavity respectively. A center body is arranged in the middle of the pump body and is provided with a regulating valve internally. A center shaft is slidably connected to the center body. A left diaphragm piece and a right diaphragm piece are fixedly connected with the left end and the right end of the center shaft respectively. Air chambers are formed between the diaphragm pieces and the center body.
Description
Technical field
The present invention relates to a kind of pneumatic diaphragm pump.
Background technology
Applicant finds a kind of pneumatic diaphragm pump (patent No.: 2012101329572) of applicant Anhui Lechang Pneumatic Fluid Equipment Technology Co., Ltd. application by retrieval, it discloses the product similar with the present invention, it uses air pressure that source of the gas produces as power in order to drive the bilateral reciprocation of diaphragm；Poppet shaft (being equivalent to the regulation and control axle of the present invention) is socketed on centre valve in-core by it, and spool two ends, center are provided with step chamber, and the inner face of end spool is provided with two-stage ring shape step；The structure of center spool and end spool is complicated, adds production cost.
Summary of the invention
The technical problem to be solved is, existing pneumatic diaphragm pump configuration is complicated, and sealing requirements is high, and cost of manufacture is high, and service life is short.
The present invention solves above-mentioned technical problem, employed technical scheme comprise that.
A kind of pneumatic diaphragm pump, it includes the pump housing, the top and bottom of the pump housing are respectively arranged with outlet three way, inlet triplet for water, the two ends of the pump housing are respectively arranged with the liquid chambers connected with outlet three way and inlet triplet for water, at outlet three way and liquid chambers link position and inlet triplet for water is provided with dash ball at liquid chambers link position, the centre of the pump housing is provided with controlling valve in being provided with centrosome and centrosome, centrosome also slidably connects central shaft, the two ends, left and right of central shaft are respectively fixedly connected with right diaphragm, form air chamber between diaphragm and centrosome；
Controlling valve includes valve pocket, dividing plate, it is provided with dividing plate in valve pocket and valve pocket inner chamber is separated into master control chamber and regulation and control chamber, the outer wall centre position of valve pocket is provided with the air inlet duct of annular, the both sides of air inlet duct are provided with the left air drain of symmetry and right air drain, left air drain and right air drain are respectively communicated with the air chamber of respective side, the outermost left bank air drain being respectively symmetry and right air discharge duct, the bottom of air inlet duct is provided with connection master control chamber and the pore of regulation and control chamber, left air drain, right air drain, left bank air drain is provided with the pore connecting master control chamber with the bottom of right air discharge duct, 3rd air-vent and the 4th air-vent are set on dividing plate；
In master control chamber, slip cap is connected to centre valve core, the air inlet groove of annular it is provided with on the sidewall of center spool, air inlet groove connects with the pore bottom air inlet duct all the time, the two ends of center spool are provided with left connecting shaft and right connecting shaft, the two ends of master control chamber are respectively arranged with the master control left end spool and master control right-hand member spool matched, the left step chamber that connecting shaft left with center spool matches it is provided with on master control left end spool, forming left chamber between left step chamber and left connecting shaft, left chamber is communicated with regulation and control chamber by the 3rd air-vent；Being provided with the right step chamber that connecting shaft right with center spool matches on master control right-hand member spool, form right chamber between right step chamber and right connecting shaft, right chamber is communicated with regulation and control chamber by the 4th air-vent；
Regulation and control axle is slidably connected in regulation and control chamber, regulation and control axle is provided with the symmetrical left lobe in two ends and right lobe, on regulation and control axle, the region between left lobe and right lobe is the air inlet area regulating and controlling axle, being positioned at left lobe left end region on regulation and control axle is left exhaust district, being positioned at right lobe right end region on regulation and control axle is right exhaust area, and the air inlet area of regulation and control axle connects with the pore bottom air inlet duct all the time；The two ends of regulation and control chamber are respectively arranged with regulation and control left end spool and regulation and control right-hand member spool, it is provided with connection left exhaust district and the first air-vent of exhaust passage on regulation and control left end spool, regulation and control right-hand member spool is provided with the right exhaust area of connection and the second air-vent of exhaust passage.
The further improvement of such scheme.
Distance between left end and the left end of right lobe of left lobe is equal to the distance between the 3rd air-vent and the 4th air-vent, and the distance between right-hand member and the right-hand member of right lobe of left lobe is equal to the distance between the 3rd air-vent and the 4th air-vent.
It is an advantage of the current invention that the poppet shaft in documents (being equivalent to the regulation and control axle of the present invention) is socketed on centre valve in-core, the sealing requirements at two ends, poppet shaft left and right is higher, prevents gas leakage；Degassing function is played at the regulation and control axle two ends of the present invention, to sealing no requirement (NR), therefore is difficult to gas leakage, relative to the better tightness of the documents present invention；Regulation and control axle is arranged at above the spool of center, replaces poppet shaft of the prior art and be slidably socketed in centre valve in-core, reduce the production difficulty of center spool；And the air inlet of left/right chamber and the air inlet with left/right air chamber and giving vent to anger of giving vent to anger separate, non-interference, it is ensured that gas flow is more stable, increase the stability of equipment.
The method of pneumatic diaphragm pump extraction liquid and the operation principle of pneumatic diaphragm pump.
Controlling valve original state: left lobe and the right lobe of regulation and control axle block the 3rd air-vent and the 4th air-vent respectively；
Source of the gas enters the pore bottom air inlet duct by inlet channel, gas respectively enters in the air inlet area of regulation and control axle and the air inlet groove of center spool, owing to the 3rd air-vent and the 4th air-vent are adjusted the lobe obstruction of axle, the chamber at spool two ends, center forms airtight space, center spool is immovable, and owing to, under the state that regulation and control axle will not be completely in dynamic balance, air pressure promotes an axial side shifting；
nullAssume，Regulation and control axle moves the most to the left，In regulation and control axle left exhaust district, gas is discharged by being arranged at the first air-vent of regulation and control axle left end，The regulation and control right exhaust area of axle communicates with the exhaust passage of the pump housing，Regulation and control axle right exhaust area volume increases，And the air inlet area regulating and controlling axle connects with the 3rd air-vent，4th air-vent connects with the right exhaust area of regulation and control axle right-hand member，Gas is through the air inlet area of regulation and control axle、3rd air-vent enters in the left chamber of center spool left end，Along with the air pressure in left chamber increases，Gas push center spool moves to right，The right chamber indoor gas of a good appetite suddenly appearing in a serious disease heart spool right-hand member side by side，During center spool moves to right，Utilize the air inlet groove connection air inlet duct and right air drain being arranged on spool side, center，Source of the gas is flowed in right air drain by air inlet duct，And finally flow in right air chamber，In right air chamber, gas volume incrementally increases，Right diaphragm is upheld deformation and is driven the contraction distortion of left diaphragm by the linkage effect of central shaft，Gas in left air chamber is through left air drain、Master control chamber、Left bank air drain enters in exhaust passage，Realize left air cavity aerofluxus and the intake process of right air cavity；
Regulation and control axle is promoted to move to right during the contraction distortion of left diaphragm, the air inlet area making axle separates with the 3rd air-vent and connects with the 4th air-vent, 3rd air-vent connects with regulation and control axle left exhaust district, source of the gas is by regulating and controlling the air inlet area of axle, 4th air-vent enters in right chamber, along with gas is stepped up, promotion center spool is moved to the left, and by the gas in left chamber through the 3rd air-vent, left exhaust district, first air-vent enters to exhaust passage, during center spool is moved to the left, air inlet groove is made to depart from right air drain and connect with left air drain, source of the gas passes through air inlet duct, air inlet groove, left air drain enters in left air chamber, meanwhile, right air chamber is through right air drain, master control chamber, right air discharge duct connects with exhaust passage；In left air chamber intake process, right air chamber is in exhaust process, and left diaphragm occurs to uphold deformation, and right diaphragm shrinks deformation；
And so forth, it is achieved regulation and control the swinging of axle, and the inflation of left and right air chamber and exhaust process；Left diaphragm is upheld deformation and is driven the contraction distortion of right diaphragm by the linkage effect of central shaft, and now, left liquid chambers volume reduces, right liquid chambers volume increases, under the effect of dash ball, left liquid chambers is in drain process, and right liquid chambers is in absorption liquid process；In like manner, right diaphragm is upheld deformation and is driven the contraction distortion of left diaphragm by the linkage effect of central shaft, it is achieved right liquid chambers drain, and left liquid chambers absorbs liquid.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing used required in embodiment will be done simple introduction below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is pneumatic diaphragm pump state one structural representation of the present invention.
Fig. 2 is controlling valve state one structural representation of the present invention.
Fig. 3 is controlling valve state two structural representation of the present invention.
Fig. 4 is controlling valve state three structural representation of the present invention.
Fig. 5 is controlling valve state four structural representation of the present invention.
Fig. 6 is controlling valve state five structural representation of the present invention.
Fig. 7 is controlling valve state six structural representation of the present invention.
100, the pump housing；110a, left liquid chambers；110b, right liquid chambers；120a, left air chamber；120b, right air chamber；130, central shaft；140, inlet triplet for water；150, outlet three way；160, dash ball.
200, controlling valve；210, air inlet duct；220a, left air drain；220b, right air drain；230a, left bank air drain；230b, right air discharge duct；240, regulation and control chamber；250, master control chamber.
260, regulation and control axle；262a, left lobe；262b, right lobe；264, air inlet area；266a, left exhaust district；266b, right exhaust area；270a, regulation and control left end spool；270b, regulation and control right-hand member spool；272a, the first air-vent；272b, the second air-vent.
280, center spool；282, air inlet groove；284a, left chamber；284b, right chamber.
290a, master control left end spool；290b, master control right-hand member spool；292a, the 3rd air-vent；292b, the 4th air-vent.
Detailed description of the invention
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 clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art under not making creative work premise, the every other embodiment obtained, broadly fall into scope.
As shown in figs. 1-7, the invention provides a kind of pneumatic diaphragm pump, it includes the pump housing 100, the top and bottom of the pump housing 100 are respectively arranged with outlet three way 150, inlet triplet for water 140, the left end of the pump housing 100 is respectively arranged with left liquid chambers 110a and right liquid chambers 110b connected with outlet three way 150 and inlet triplet for water 140 with right-hand member, left liquid chambers 110a is respectively arranged with dash ball 160 with the junction of outlet three way 150 and inlet triplet for water 140, and right liquid chambers 110b is respectively arranged with dash ball 160 with the junction of outlet three way 150 and inlet triplet for water 140；The centre of the pump housing 100 is provided with controlling valve 200 in being provided with centrosome and centrosome, controlling valve 200 is for controlling the flow direction of source of the gas, centrosome also slidably connects central shaft 130, the two ends, left and right of central shaft 130 are respectively fixedly connected with left diaphragm and right diaphragm, left diaphragm and centrosome form left air chamber 120a, form right air chamber 120b between right diaphragm and centrosome.
nullControlling valve 200 includes valve pocket、Dividing plate，It is provided with dividing plate in valve pocket and valve pocket inner chamber is separated into master control chamber 250 and regulation and control chamber 240，The centre position of the outer wall of valve pocket is provided with the air inlet duct 210 of annular，The both sides of air inlet duct 210 are provided with the left air drain 220a and right air drain 220b of symmetry，Left air drain 220a connects left air chamber 120a，Right air drain 220b connects right air chamber 120b，The outermost left bank air drain 230a and right air discharge duct 230b being respectively symmetry，The bottom of air inlet duct 210 is provided with connection master control chamber 250 and the pore of regulation and control chamber 240，Left air drain 220a、Right air drain 220b、The bottom of left bank air drain 230a and right air discharge duct 230b is provided with the pore connecting master control chamber 250，3rd air-vent 292a and the 4th air-vent 292b is set on dividing plate.
In master control chamber 250, slip cap is connected to centre valve core 280, the air inlet groove 282 of annular it is provided with on the sidewall of center spool 280, air inlet groove 282 connects with the pore bottom air inlet duct 210 all the time, the two ends of center spool 280 are provided with connecting shaft, the two ends of master control chamber 250 are respectively arranged with the master control left end spool 290a and master control right-hand member spool 290b matched, the left step chamber that connecting shaft left with center spool 280 matches it is provided with on master control left end spool 290a, left chamber 284a is formed between left step chamber and left connecting shaft, left chamber 284a is communicated with regulation and control chamber 240 by the 3rd air-vent 292a；In like manner, master control right-hand member spool 290b is provided with the right step chamber that connecting shaft right with center spool 280 matches, forms right chamber 284b, right chamber 284b between right step chamber and right connecting shaft and communicated with regulation and control chamber 240 by the 4th air-vent 292b.
Regulation and control axle 260 is slidably connected in regulation and control chamber 240, regulation and control axle 260 is provided with symmetrical left lobe 262a in two ends and right lobe 262b, on regulation and control axle 260, the region between left lobe 262a and right lobe 262b is the air inlet area 264 regulating and controlling axle 260, being positioned at left lobe 262a left end region on regulation and control axle 260 is left exhaust district 266a, being positioned at right lobe 262b right end region on regulation and control axle 260 is right exhaust area 266b, and the air inlet area 264 of regulation and control axle 260 connects with the pore bottom air inlet duct 210 all the time；The two ends of regulation and control chamber 240 are respectively arranged with regulation and control left end spool 270a and regulation and control right-hand member spool 270b, it is provided with connection left exhaust district 266a and the first air-vent 272a of exhaust passage on regulation and control left end spool 270a, regulation and control right-hand member spool 270 is provided with connection right exhaust area 266b and the second air-vent 272b of exhaust passage.
Connect air inlet area and the air inlet groove of center spool of regulation and control axle due to the pore bottom air inlet duct simultaneously, owing to regulation and control axle and center spool will not be completely in dynamic balance state, air pressure may simultaneously drive regulation and control Zhou Yu center valve core movement, its kinestate is more, make device unstable, but it still can work with normal pumping；For increasing the stability of pneumatic diaphragm pump, distance between left end and the left end of right lobe of left lobe 262a is equal to the distance between the 3rd air-vent and the 4th air-vent, in like manner, the distance between right-hand member and the right-hand member of right lobe of left lobe 262a is equal to the distance between the 3rd air-vent and the 4th air-vent；During original state, left lobe 262a and right lobe 262b block the 3rd air-vent and the 4th air-vent respectively, making left chamber 284a and right chamber 284b be in sealing state, during pneumatic diaphragm pump startup, center spool is immovable can only rely on regulation and control axle to move to regulate center spool.
The operation principle of pneumatic diaphragm pump.
Controlling valve original state: left lobe and the right lobe of regulation and control axle block the 3rd air-vent and the 4th air-vent respectively.
Source of the gas enters in air inlet duct by inlet channel, by the pore bottom air inlet duct, source of the gas respectively enters in the air inlet area of regulation and control axle and the air inlet groove of center spool, owing to the 3rd air-vent and the 4th air-vent are adjusted the lobe obstruction of axle, the chamber at spool two ends, center forms airtight space, center spool is immovable, and owing to regulating and controlling under the state that axle will not be completely in dynamic balance, air pressure promotes an axial side shifting.
nullAssume，Regulation and control axle moves the most to the left，In regulation and control axle left exhaust district, gas is discharged by being arranged at the first air-vent of regulation and control axle left end，The regulation and control right exhaust area of axle communicates with the exhaust passage of the pump housing，Regulation and control axle right exhaust area volume increases，And the air inlet area regulating and controlling axle connects with the 3rd air-vent，4th air-vent connects with the right exhaust area of regulation and control axle right-hand member，Gas is through the air inlet area of regulation and control axle、3rd air-vent enters in the left chamber of center spool left end，Along with the air pressure in left chamber increases，Gas push center spool moves to right，The right chamber indoor gas of a good appetite suddenly appearing in a serious disease heart spool right-hand member side by side，During center spool moves to right，Utilize the air inlet groove connection air inlet duct and right air drain being arranged on spool side, center，Source of the gas is flowed in right air drain by air inlet duct，And finally flow in right air chamber，In right air chamber, gas volume incrementally increases，Right diaphragm is upheld deformation and is driven the contraction distortion of left diaphragm by the linkage effect of central shaft，Gas in left air chamber is through left air drain、Master control chamber、Left bank air drain enters in exhaust passage，Realize left air cavity aerofluxus and the intake process of right air cavity.
Regulation and control axle is promoted to move to right during the contraction distortion of left diaphragm, the air inlet area making axle separates with the 3rd air-vent and connects with the 4th air-vent, 3rd air-vent connects with regulation and control axle left exhaust district, source of the gas is by regulating and controlling the air inlet area of axle, 4th air-vent enters in right chamber, along with gas is stepped up, promotion center spool is moved to the left, and by the gas in left chamber through the 3rd air-vent, left exhaust district, first air-vent enters to exhaust passage, during center spool is moved to the left, air inlet groove is made to depart from right air drain and connect with left air drain, source of the gas passes through air inlet duct, air inlet groove, left air drain enters in left air chamber, meanwhile, right air chamber is through right air drain, master control chamber, right air discharge duct connects with exhaust passage；In left air chamber intake process, right air chamber is in exhaust process, and left diaphragm occurs to uphold deformation, and right diaphragm shrinks deformation.
And so forth, it is achieved regulation and control the swinging of axle, and the inflation of left and right air chamber and exhaust process；Left diaphragm is upheld deformation and is driven the contraction distortion of right diaphragm by the linkage effect of central shaft, and now, left liquid chambers volume reduces, right liquid chambers volume increases, under the effect of dash ball, left liquid chambers is in drain process, and right liquid chambers is in absorption liquid process；In like manner, right diaphragm is upheld deformation and is driven the contraction distortion of left diaphragm by the linkage effect of central shaft, it is achieved right liquid chambers drain, and left liquid chambers absorbs liquid.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.Multiple amendment to these embodiments will be apparent from for those skilled in the art, and the General Principle defined in the present invention can realize in the case of without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will not be defined to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (2)
1. a pneumatic diaphragm pump, it is characterized in that, it includes the pump housing, the top and bottom of the pump housing are respectively arranged with outlet three way, inlet triplet for water, the two ends of the pump housing are respectively arranged with the liquid chambers connected with outlet three way and inlet triplet for water, at outlet three way and liquid chambers link position and inlet triplet for water is provided with dash ball at liquid chambers link position, the centre of the pump housing is provided with controlling valve in being provided with centrosome and centrosome, centrosome also slidably connects central shaft, the two ends, left and right of central shaft are respectively fixedly connected with right diaphragm, air chamber is formed between diaphragm and centrosome；
Controlling valve includes valve pocket, dividing plate, it is provided with dividing plate in valve pocket and valve pocket inner chamber is separated into master control chamber and regulation and control chamber, the outer wall centre position of valve pocket is provided with the air inlet duct of annular, the both sides of air inlet duct are provided with the left air drain of symmetry and right air drain, left air drain and right air drain are respectively communicated with the air chamber of respective side, the outermost left bank air drain being respectively symmetry and right air discharge duct, the bottom of air inlet duct is provided with connection master control chamber and the pore of regulation and control chamber, left air drain, right air drain, left bank air drain is provided with the pore connecting master control chamber with the bottom of right air discharge duct, 3rd air-vent and the 4th air-vent are set on dividing plate；
In master control chamber, slip cap is connected to centre valve core, the air inlet groove of annular it is provided with on the sidewall of center spool, air inlet groove connects with the pore bottom air inlet duct all the time, the two ends of center spool are provided with left connecting shaft and right connecting shaft, the two ends of master control chamber are respectively arranged with the master control left end spool and master control right-hand member spool matched, the left step chamber that connecting shaft left with center spool matches it is provided with on master control left end spool, forming left chamber between left step chamber and left connecting shaft, left chamber is communicated with regulation and control chamber by the 3rd air-vent；Being provided with the right step chamber that connecting shaft right with center spool matches on master control right-hand member spool, form right chamber between right step chamber and right connecting shaft, right chamber is communicated with regulation and control chamber by the 4th air-vent；
Regulation and control axle is slidably connected in regulation and control chamber, regulation and control axle is provided with the symmetrical left lobe in two ends and right lobe, on regulation and control axle, the region between left lobe and right lobe is the air inlet area regulating and controlling axle, being positioned at left lobe left end region on regulation and control axle is left exhaust district, being positioned at right lobe right end region on regulation and control axle is right exhaust area, and the air inlet area of regulation and control axle connects with the pore bottom air inlet duct all the time；The two ends of regulation and control chamber are respectively arranged with regulation and control left end spool and regulation and control right-hand member spool, it is provided with connection left exhaust district and the first air-vent of exhaust passage on regulation and control left end spool, regulation and control right-hand member spool is provided with the right exhaust area of connection and the second air-vent of exhaust passage.
Pneumatic diaphragm pump the most according to claim 1, distance between left end and the left end of right lobe of left lobe is equal to the distance between the 3rd air-vent and the 4th air-vent, and the distance between right-hand member and the right-hand member of right lobe of left lobe is equal to the distance between the 3rd air-vent and the 4th air-vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510277261.2A CN104847632B (en) | 2015-05-27 | 2015-05-27 | Pneumatic diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510277261.2A CN104847632B (en) | 2015-05-27 | 2015-05-27 | Pneumatic diaphragm pump |
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| Publication Number | Publication Date |
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| CN104847632A CN104847632A (en) | 2015-08-19 |
| CN104847632B true CN104847632B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510277261.2A Active CN104847632B (en) | 2015-05-27 | 2015-05-27 | Pneumatic diaphragm pump |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6685443B2 (en) * | 2001-07-11 | 2004-02-03 | John M. Simmons | Pneumatic reciprocating pump |
| CN102292548B (en) * | 2009-01-23 | 2014-11-05 | 沃伦鲁普公司 | Method for increasing compressed air efficiency in a pump |
| CN202468240U (en) * | 2012-03-19 | 2012-10-03 | 德帕姆(杭州)泵业科技有限公司 | Pneumatic type two diaphragm pump of sliding valve reversing mechanism |
| AU2013246103A1 (en) * | 2012-04-09 | 2014-10-30 | Flow Control Llc. | Air operated diaphragm pump |
| CN102705207B (en) * | 2012-04-28 | 2014-12-03 | 安徽乐昌气动流体设备科技有限公司 | Pneumatic diaphragm pump |
| CN203730263U (en) * | 2014-03-17 | 2014-07-23 | 常州信息职业技术学院 | Pneumatic diaphragm pump |
| CN204344426U (en) * | 2014-12-18 | 2015-05-20 | 台州沃霸机电有限公司 | Membrane pump with pneumatic drive |
| CN204663832U (en) * | 2015-05-27 | 2015-09-23 | 张伟伟 | A kind of membrane pump with pneumatic drive |
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Inventor after: Lu Xiuyao Inventor after: Zhu Sheng Inventor before: Zhang Weiwei |
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Effective date of registration: 20160928 Address after: Anhui province 237000 yuan Lu'an city district government office building two energy office Applicant after: Lu Xiuyao Address before: Changjiang Road, Jinghu District 241000 village green in Anhui province Wuhu City No. 3 building 402 Applicant before: Zhang Weiwei |
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Effective date of registration: 20191210 Address after: 224421 No.1 Fuyi Road, Yilin Town, Funing County, Yancheng City, Jiangsu Province Patentee after: Funing Kangxiang electrical accessories Co., Ltd Address before: Anhui province 237000 yuan Lu'an city district government office building two energy office Patentee before: Lu Xiuyao |
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