CN101818811B - Novel lock valve - Google Patents
Novel lock valve Download PDFInfo
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- CN101818811B CN101818811B CN201010178824XA CN201010178824A CN101818811B CN 101818811 B CN101818811 B CN 101818811B CN 201010178824X A CN201010178824X A CN 201010178824XA CN 201010178824 A CN201010178824 A CN 201010178824A CN 101818811 B CN101818811 B CN 101818811B
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 11
- 230000000295 complement effect Effects 0.000 claims description 6
- 239000003550 marker Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 3
- 238000009434 installation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a novel lock valve and belongs to the technical field of valve manufacturing. The novel lock valve solves the problems of inconvenient use, short service life and the like of the conventional lock valves and comprises a valve body, a valve rod, a valve core and a handle, wherein an inner end of the valve rod is positioned in the valve body and is connected with the valve core; an upper part of the valve body is provided with an upper port which is communicated with the inner chamber of the valve body; a cylindric clamp base is connected with the inside of the upper port; the outer end of the valve rod is positioned in a chamber between the clamp base and the valve body; a blocking piece which is partially extended out of a side part of the clamp base is arranged on the clamp base; a positioning notch is formed on the inner side of the upper port of the valve body; the blocking piece is embedded in the positioning notch; a magnetic mechanism is arranged between the clamp base and the handle; and when the handle is arranged on the clamp base, the blocking piece can be driven out of the positioning notch under the action of the magnetic mechanism. The novel lock valve has the advantages of convenient use, high safety, long service life and the like.
Description
Technical field
The invention belongs to technical field of valve manufacturing, relate to a kind of valve, particularly a kind of novel lock valve.
Background technique
The valve that in water resource management industry, afforestation department, administration departments and HVAC industry, has locking device is widely used.For example, the Chinese patent document discloses a kind of Locking valve and opener [application number: 200420067420.3 thereof; Notice of authorization number: CN2716605Y], it adopts valve body and special opening device separated structures, can only use the special opening device could open this valve.Although the structure of other Valve with lock has nothing in common with each other, great majority also all adopt mechanical lock body with above-mentioned patent is the same, need open with private key.Though this method is more safe and reliable; But the quantity of installing when Valve with lock more for a long time, because each valve corresponding special key can not be general, it is inconvenient that the custodial staff carries all private keys; And operation the time also need check private key, and operation is trouble very.
At present, mode is to utilize magnetic principles preferably, and the design magnetic lock valve adopts general opener.Such as recording a kind of locking valve of freely closing and automatically locking [application number: 200520091061.X in the Chinese patent document; Notice of authorization number: CN2797812Y], the valve body and the key of spool and valve rod in comprising, it are housed, lock nut is installed above the valve body, have nest on the valve body, spring and magnetic bullet are housed in the nest; Lock nut is provided with small cap, and small cap endoporus and valve rod are pegged graft, and is connected through elastic scheibe between lock nut and the valve body simultaneously; Key cover is contained in outside the lock nut, and its top endoporus is a polygonal, and is plug-in with the small cap on the lock nut; Have groove in the lock nut, be inlaid with magnet in the key, the magnetic pole of its magnetic pole and magnetic bullet is that homopolarity is relative, and valve is being closed and during lock state, magnetic bullet is stuck in the groove in the lock nut, and the position of key internal magnet and the position of magnetic bullet differ 90 and spend.When the needs Open valve; Need be with key turns 90 degree, the magnet that is embedded on the key just is in same position with magnetic bullet, owing to magnetic pole is identical; So magnetic force is withdrawn magnetic bullet in nest; Break away from lock nut, screw key just can drive the small cap on the lock nut and drive valve rod through small cap and rotate through endoporus, makes valve opening.
Though above-mentioned locking valve can utilize magnetic to accomplish the opening and closing to valve, make the position of key internal magnet and the position of magnetic bullet differ 90 degree, processing is inconvenient.During use, need the handle with sleeve position to confirm ability Open valve in the magnetic bullet withdrawal nest, open not direct; Can not realize instant unlatching and Locking valve, use inconvenience, and when using more number of times; Spring follows the string; Magnetic bullet just can not be supported and be absorbed in the nest by spring, just can not throttle down, and lack working life.
Summary of the invention
The objective of the invention is to the problems referred to above that exist in the existing technology, the novel lock valve of a kind of unlatching immediately and Locking valve, easy to use and long service life is provided.
The object of the invention can be realized through following technical proposal: a kind of novel lock valve; Comprise valve body, valve rod, spool and handle; The inner of valve rod is positioned at valve body and is connected with spool; It is characterized in that valve body top has the upper end-hole that communicates with its inner chamber, be connected with in the upper end-hole and be deck cylindraceous; In the cavity of above-mentioned valve rod outer end between deck and valve body; Deck is provided with the jam spare that part is stretched out the deck sidepiece, and valve body upper end-hole inboard has positioning recess and above-mentioned jam spare is embedded in the positioning recess place, is provided with magnetic force mechanism between deck and the handle and under the magnetic force mechanism effect, can makes jam spare break away from positioning recess on the deck when handle is loaded on.
In this novel lock valve, the jam spare of deck sidepiece was embedded in the positioning recess place of valve body all the time when handle was pulled down state.Obviously, can't operate the valve rod that is positioned at valve body like this, this moment, valve remained locking or opening state.
In the time of need operating valve, handle is positioned over the deck place jam spare is broken away from by the positioning recess place through magnetic force mechanism.At this moment, handle together with deck together by pulling down on the valve body.Pull the valve rod outer end then and just can carry out opening and closing operations valve, easy to use.Here deck can avoid sand and dust, rainwater to get in the lockhole long service life of this Valve with lock.
In above-mentioned a kind of novel lock valve, radially be fixed with link in the described deck, the link sidepiece is resisted against on the jam spare and makes jam spare partly stretch out deck and be embedded in the positioning recess, and above-mentioned magnetic force mechanism is arranged between link and the handle.
When handle is connected in the connecting base place, link is moved in deck, after link broke away from jam spare, jam spare not blocked made jam spare broken away from by the positioning recess place of valve body.That is to say that make to break away between deck and the valve body, deck can be by pulling down on the valve body.
In above-mentioned a kind of novel lock valve, described link sidepiece has recess, link under the effect of magnetic force mechanism move the back its on recess can be corresponding with jam spare position.After link moved axially, jam spare can break away from positioning recess and be embedded in the recess of link sidepiece, has so just removed the circumferential location of deck and valve body.
In above-mentioned a kind of novel lock valve, be provided with spring between described link and the deck, link has the trend that axially moves down along it under the elastic force effect of spring, and makes above-mentioned recess be positioned at jam spare bottom.Spring has guaranteed not axial float in use of link, makes that the locking states of valve is stable.
In above-mentioned a kind of novel lock valve, described deck inboard has the guide pillar of downward protrusion, and described link top has recessed spring seat, and an end of above-mentioned spring is enclosed within on the guide pillar, and the other end of spring is positioned at spring seat.Guide pillar and spring seat be arranged so that spring is easy for installation.
In above-mentioned a kind of novel lock valve, described magnetic force mechanism is to be connected in the magnetic part one on link top and to be connected in the magnetic part two on the handle, and magnetic part one is opposite with the magnetic pole of magnetic part two.Because magnetic part one is opposite with the magnetic pole of magnetic part two, magnetic part two holds magnetic part one, and under the effect of magnetic force, link moves axially near handle and makes jam spare break away from positioning recess, has removed the locking of valve.
In above-mentioned a kind of novel lock valve, described deck inboard has one along its guiding raised line that axially protrudes, and the above-mentioned link outside has the guiding groove that is complementary with the guiding raised line, and the guiding raised line is positioned at the guiding groove place.Link can move axially along the guiding raised line like this, and has realized the circumferential location of deck and link.
In above-mentioned a kind of novel lock valve, described deck bottom is fixed with and stops cover, and above-mentioned link is stopping between cover and the deck, and stopping to have the perforation that supplies the valve rod outer end to pass on the cover.In when assembling, can be earlier with deck, link with stop that cover assembles together, be loaded on together again on the valve body, easy for installation.
In above-mentioned a kind of novel lock valve; Described valve body upper end is fixed with the connecting cylinder that communicates with it; The inboard at connecting cylinder upper end-hole place has recessed retaining edge, above-mentioned deck sidepiece have a protrusion with retaining along the shoulder block that is complementary, and the shoulder block of deck is positioned at retaining along the place.Connecting cylinder makes valve body to reprocess, and has saved processing cost, and the accurate positioning that is arranged so that deck and connecting cylinder of retaining edge and shoulder block.
In above-mentioned a kind of novel lock valve, described jam spare is a ball.
In above-mentioned a kind of novel lock valve; Described connecting cylinder sidepiece has along connecting cylinder and axially is the sign hole that bar shaped runs through; The sign hole in the connecting cylinder outside is other to have scale and numerical marker, is fixed with pointer on the above-mentioned valve rod, and pointer is positioned at place, sign hole.Pointer moves axially and points to different scales and numerical value with valve rod, and the open degree of the valve that can quantize can instant Locking valve when reaching required open degree, and is easy to use.
Compared with prior art, a kind of novel lock valve provided by the invention has the following advantages:
1, this novel lock valve just makes valve to operate when handle is pulled down, and can deck be pulled down then rotation valve rod easily through handle, and the promptness of locking and Open valve is good, and is easy to operate, and locking security is high.
2, this novel lock valve realizes locking or unlatching are carried out in the operation of valve through jam spare, and jam spare is a nonmagnetic substance, does not have the demagnetization phenomenon, and jam spare, link and deck are that mechanical type locks long service life.
3, connecting cylinder and stop the setting of cover in this novel lock valve makes valve easy to assembly quick.
4, indicate the setting of hole and pointer in this novel lock valve, the open degree of the valve that can quantize, the instant Locking valve of ability is easy to use when reaching required open degree.
Description of drawings
Fig. 1 is that the solid of this novel lock valve is dissectd structural representation.
Fig. 2 is the sectional structure schematic representation of this novel lock valve.
Fig. 3 is the partial structurtes sectional view that this novel lock valve is in locking states.
Fig. 4 is the partial structurtes sectional view that this novel lock valve is in opening state.
Fig. 5 is the perspective view of connecting cylinder in this novel lock valve.
Fig. 6 is the perspective view of deck in this novel lock valve.
Fig. 7 is the perspective view of link in this novel lock valve.
Among the figure, 1, valve body; 2, valve rod; 3, spool; 4, handle; 5, deck; 51, guiding raised line; 52, shoulder block; 53, guide pillar; 6, link; 61, guiding groove; 62, spring seat; 7, jam spare; 8, connecting cylinder; 81, retaining edge; 82, indicate the hole; 9, spring; 10, stop cover; 11, positioning recess; 12, recess; 13, pointer; 14, magnetic part one; 15, magnetic part two.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technological scheme of the present invention is done further to describe, but the present invention is not limited to these embodiments.
This novel lock valve is made up of component such as valve body 1, valve rod 2, spool 3, handle 4, deck 5, link 6, jam spare 7 and magnetic force mechanisms.
Specifically; Like Fig. 1, shown in Figure 2; The inner of valve rod 2 is positioned at valve body 1 and is connected with spool 3, and valve body 1 top has the upper end-hole that communicates with its inner chamber, is connected with in the upper end-hole to be deck 5 cylindraceous; In the cavity of valve rod 2 outer ends between deck 5 and valve body 1, radially be fixed with link 6 in the deck 5.Here like Fig. 6 and shown in Figure 7; Deck 5 inboards have one along its guiding raised line 51 that axially protrudes; Link 6 outsides have the guiding groove 61 that is complementary with guiding raised line 51; And guiding raised line 51 is positioned at guiding groove 61 places, and link 6 can move axially along guiding raised line 51 like this, and has realized the circumferential location of deck 5 with link 6.
As shown in figures 1 and 3, deck 5 sidepieces are equipped with jam spare 7, valve body 1 upper end-hole inboard have can with the corresponding positioning recess 11 in jam spare 7 positions; When handle 4 was pulled down, link 6 sidepieces were resisted against on the jam spare 7 and make jam spare 7 parts stretch out deck 5 and be embedded in the positioning recess 11, made the circumferential location of deck 5 and valve body 1 like this; Deck 5 can not rotate; Also just can not drive link 6 and rotate with valve rod 2, realize the locking of valve, this moment, valve remained locking or opening state.
Like Fig. 1 and shown in Figure 4; Be provided with magnetic force mechanism between link 6 and the handle 4 and under the magnetic force mechanism effect, can drive link 6 on the deck 5 and move axially and make jam spare 7 disengaging positioning recess 11 when handle 4 is loaded on; Link 6 sidepieces have recess 12, and axially the recess 12 of back on it can be corresponding with jam spare 7 positions at link under the effect of magnetic force mechanism 6.Magnetic force mechanism is to be connected in the magnetic part 1 on link 6 tops and to be connected in the magnetic part 2 15 on the handle 4 in the present embodiment, and magnetic part 1 is opposite with the magnetic pole of magnetic part 2 15.Because magnetic part 1 is opposite with the magnetic pole of magnetic part 2 15, magnetic part 15 holds magnetic part 1, under the effect of magnetic force; Link 6 moves axially near handle 4 and makes jam spare 7 break away from positioning recess 11, and jam spare 7 is embedded in the recess 12 of link 6 sidepieces afterwards, has so just removed the circumferential location of deck 5 with valve body 1; At this moment; Handle 4 together by pulling down on the valve body 1, uses Wrench just can pull valve rod 2 outer ends together with deck 5 then, realizes the opening and closing operations to valve.Jam spare in the present embodiment 7 is a ball.
Like Fig. 1 and shown in Figure 5; Need not reprocess in order to make valve body 1; Saved processing cost, be fixed with the connecting cylinder 8 that communicates with it at valve body 1 upper end, the inboard at connecting cylinder 8 upper end-hole places has recessed retaining along 81; Deck 5 sidepieces have a protrusion with retaining along 81 shoulder blocks 52 that are complementary, and the shoulder block 52 of deck 5 is positioned at retaining along 81 places.The accurate positioning that is arranged so that deck 5 and connecting cylinder 8 of retaining edge 81 and shoulder block 52.Connecting cylinder 8 sidepieces have along connecting cylinder 8 and axially are the sign hole 82 that bar shaped runs through, and the sign hole in connecting cylinder 8 outsides 82 is other to have scale and numerical marker, is fixed with pointer 13 on the valve rod 2, and pointer 13 is positioned at and indicates 82 places, hole.Pointer 13 moves axially and points to different scales and numerical value with valve rod 2, and the open degree of the valve that can quantize can instant Locking valve when reaching required open degree, and is easy to use.
In order to guarantee not axial float in use of link 6, make the locking states of valve stable, between link 6 and deck 5, be provided with spring 9; It is the guide pillar 53 that deck 5 inboards have downward protrusion; Link 6 tops have recessed spring seat 62, and an end of spring 9 is enclosed within on the guide pillar 53, and the other end of spring 9 is positioned at spring seat 62; Link 6 has the trend that axially moves down along it under the elastic force effect of spring 9, and makes recess 12 be positioned at jam spare 7 bottoms.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used valve body 1, valve rod 2, spool 3, handle 4, deck 5, guiding raised line 51, shoulder block 52, guide pillar 53, link 6, guiding groove 61, spring seat 62, jam spare 7, connecting cylinder 8, retaining edge 81, has indicated hole 82, spring 9, has stopped terms such as cover 10, positioning recess 11, recess 12, pointer 13, magnetic part 1, magnetic part 2 15, do not got rid of the possibility of using other term morely.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (7)
1. novel lock valve; Comprise valve body (1), valve rod (2), spool (3) and handle (4); The inner of valve rod (2) is positioned at valve body (1) and is connected with spool (3); It is characterized in that valve body (1) top has the upper end-hole that communicates with its inner chamber, be connected with in the upper end-hole and be deck cylindraceous (5); Above-mentioned valve rod (2) outer end is positioned at the cavity between deck (5) and the valve body (1); Deck (5) is provided with part and stretches out the jam spare (7) of deck (5) sidepiece, and valve body (1) upper end-hole inboard has positioning recess (11) and above-mentioned jam spare (7) and is embedded in positioning recess (11) and locates, and is provided with magnetic force mechanism between deck (5) and the handle (4) and goes up and under the magnetic force mechanism effect, can make jam spare (7) disengaging positioning recess (11) when handle (4) is loaded on deck (5); Radially be fixed with link (6) in the described deck (5); Link (6) sidepiece is resisted against jam spare (7) and goes up and make jam spare (7) part to stretch out deck (5) and be embedded in the positioning recess (11), and above-mentioned magnetic force mechanism is arranged between link (6) and the handle (4), and described link (6) sidepiece has recess (12); Moving the recess (12) of back on it at link (6) under the effect of magnetic force mechanism can be corresponding with jam spare (7) position; Be provided with spring (9) between described link (6) and the deck (5), link (6) has the trend that axially moves down along it under the elastic force effect of spring (9), and makes above-mentioned recess (12) be positioned at jam spare (7) bottom.
2. a kind of novel lock valve according to claim 1; It is characterized in that; Described deck (5) inboard has the guide pillar (53) of downward protrusion; Described link (6) top has recessed spring seat (62), and an end of above-mentioned spring (9) is enclosed within on the guide pillar (53), and the other end of spring (9) is positioned at spring seat (62).
3. a kind of novel lock valve according to claim 1 and 2; It is characterized in that; Described magnetic force mechanism is for to be connected in the magnetic part one (14) on link (6) top and to be connected in the magnetic part two (15) on the handle (4), and magnetic part one (14) is opposite with the magnetic pole of magnetic part two (15).
4. a kind of novel lock valve according to claim 1 and 2; It is characterized in that; Described deck (5) inboard has one along its guiding raised line (51) that axially protrudes; Above-mentioned link (6) outside has the guiding groove (61) that is complementary with guiding raised line (51), and guiding raised line (51) is positioned at guiding groove (61) and locates.
5. a kind of novel lock valve according to claim 1 and 2; It is characterized in that; Described deck (5) bottom is fixed with and stops that cover (10), above-mentioned link (6) are positioned at and stop between cover (10) and the deck (5), and is stopping to have the perforation that confession valve rod (2) outer end is passed on the cover (10).
6. a kind of novel lock valve according to claim 1 and 2; It is characterized in that; Described valve body (1) upper end is fixed with the connecting cylinder (8) that communicates with it; The inboard at connecting cylinder (8) upper end-hole place has recessed retaining along (81), the shoulder block (52) that is complementary along (81) with retaining that above-mentioned deck (5) sidepiece has a protrusion, and the shoulder block (52) of deck (5) is positioned at retaining and locates along (81).
7. a kind of novel lock valve according to claim 6; It is characterized in that; Described connecting cylinder (8) sidepiece has along connecting cylinder (8) and axially is the sign hole (82) that bar shaped runs through; The sign hole (82) in connecting cylinder (8) outside is other to have scale and numerical marker, is fixed with pointer (13) on the above-mentioned valve rod (2), and pointer (13) is positioned at and indicates hole (82) and locate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178824XA CN101818811B (en) | 2010-05-21 | 2010-05-21 | Novel lock valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178824XA CN101818811B (en) | 2010-05-21 | 2010-05-21 | Novel lock valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101818811A CN101818811A (en) | 2010-09-01 |
| CN101818811B true CN101818811B (en) | 2012-07-18 |
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ID=42654019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010178824XA Expired - Fee Related CN101818811B (en) | 2010-05-21 | 2010-05-21 | Novel lock valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101818811B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392910B (en) * | 2011-07-18 | 2013-07-31 | 浙江盾安阀门有限公司 | High-precision flow regulating valve with lock |
| CN103939666A (en) * | 2014-04-29 | 2014-07-23 | 福建省海洋阀门科技有限公司 | Valve locking device |
| CN105484998A (en) * | 2015-12-28 | 2016-04-13 | 嵊州市意海电机配件厂 | Flow controllable two-screw pump |
| CN109723903A (en) * | 2019-01-24 | 2019-05-07 | 浙江凯拓机电有限公司 | A kind of lock valve |
| CN112780793B (en) * | 2021-01-27 | 2024-09-06 | 浙江裕昌流体控制科技有限公司 | Cipher valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2490383Y (en) * | 2001-08-02 | 2002-05-08 | 宋天全 | Locking device for valve |
| CN2601339Y (en) * | 2003-03-05 | 2004-01-28 | 冯雪土 | Magnetic controlled valve |
| CN2692435Y (en) * | 2004-03-22 | 2005-04-13 | 贾振海 | Lateral opening or closing valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145870A (en) * | 1979-04-28 | 1980-11-13 | Kinya Matsumura | Magnet type switching valve |
| CN2491671Y (en) * | 2001-07-05 | 2002-05-15 | 玉环县环江阀门厂 | Magnetic lock controlled valve |
| CN2577074Y (en) * | 2002-03-12 | 2003-10-01 | 宋天全 | Valve locking apparatus |
| CN2924220Y (en) * | 2006-08-01 | 2007-07-18 | 陈苏康 | Valve with lock control device |
| RU2387906C1 (en) * | 2009-04-13 | 2010-04-27 | Рауф Рахимович Сафаров | Magnet controlled valve (versions) |
-
2010
- 2010-05-21 CN CN201010178824XA patent/CN101818811B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2490383Y (en) * | 2001-08-02 | 2002-05-08 | 宋天全 | Locking device for valve |
| CN2601339Y (en) * | 2003-03-05 | 2004-01-28 | 冯雪土 | Magnetic controlled valve |
| CN2692435Y (en) * | 2004-03-22 | 2005-04-13 | 贾振海 | Lateral opening or closing valve |
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| Publication number | Publication date |
|---|---|
| CN101818811A (en) | 2010-09-01 |
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Effective date of registration: 20140903 Address after: Suqian City, Jiangsu Province, East 223800 south area economic development zone, Sucheng District Xu Tan Road Jiangsu Beijing Hangzhou New Energy Co. Ltd. Patentee after: Huang Xiaoping Address before: 317608 Zhejiang province addlupu town Yuhuan County Xuanmen industrial city Patentee before: Zhejiang world HVAC technology Co Ltd |
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Effective date of registration: 20160407 Address after: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu town Xuanmen industrial city Zhejiang world HVAC technology Co Ltd Patentee after: Zhuo Danchun Address before: Suqian City, Jiangsu Province, East 223800 south area economic development zone, Sucheng District Xu Tan Road Jiangsu Beijing Hangzhou New Energy Co. Ltd. Patentee before: Huang Xiaoping |
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