CN109128290A - A kind of functional form electric drill - Google Patents
A kind of functional form electric drill Download PDFInfo
- Publication number
- CN109128290A CN109128290A CN201811280374.8A CN201811280374A CN109128290A CN 109128290 A CN109128290 A CN 109128290A CN 201811280374 A CN201811280374 A CN 201811280374A CN 109128290 A CN109128290 A CN 109128290A
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- CN
- China
- Prior art keywords
- electric drill
- push rod
- ring
- blind hole
- switch button
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention belongs to power tools technology field, specifically a kind of functional form electric drill, including electric drill head and electric drill shell, electric drill head is interior to be equipped with No.1 cavity；Movable plate, square magnet and iron block are equipped in No.1 cavity；It is connected between No.1 cavity and electric drill hull outside by keyhole；Hot-wire coil is equipped in keyhole；The electric drill shell is equipped with switch button, is equipped with blind hole in electric drill upper part of the housing；It is connected with annular magnet, connection ring and transmission ring in blind hole in turn from right to left；Blind hole is connected to by sliding slot with turn channel；Push rod is equipped in turn channel；The upper end of push rod is connect with transmission ring, and push rod lower end is contacted with switch button；By the present invention in that push rod releases switch button, and makes switch button that can not be pressed, when being disassembled electric drill head, will not press switch button because of fault causes bit to fly out, and causes danger, and improves the safety that user uses.
Description
Technical field
The invention belongs to power tools technology field, specifically a kind of functional form electric drill.
Background technique
Electric drill is the most-often used electric tool of people, and it is convenient, inexpensive, easy to carry that it has many advantages, such as, depth by hardware,
The favorable comment of worker in industry of decorateing.But operator is frequently necessary to more bit change when using electric drill, however because seeking conveniently,
Operator is the direct more bit change in the case where electric drill does not power off, if oneself or other people accidentally touch in more bit change
Switch so that drill bit rotation even flies out, be easy to hurt user or other people, be very dangerous.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of functional form electric drill proposed by the present invention, present invention is mainly used for solutions
The problem of accidentally having touched switch when more bit change, drill bit rotation caused even to fly out.
The technical solution adopted by the present invention to solve the technical problems is: a kind of functional form electric drill of the present invention, packet
Electric drill head and electric drill shell are included, is equipped with No.1 cavity in the electric drill head；It is connected in the No.1 cavity by No.1 spring
Movable plate；The left end of the movable plate and right end have been connected respectively square magnet and iron block；The No.1 cavity and electric drill
It is connected between hull outside by keyhole；Hot-wire coil is arranged in the keyhole；On on the outside of the electric drill lower part of the housing
It is embedded with the switch button of control electric drill head rotation, is equipped with blind hole in electric drill upper part of the housing；Blind hole lower end bus and No.1
The bottom of cavity is on same horizontal line, is connected with annular magnet, connection ring and transmission ring in blind hole in turn from right to left；
The annular magnet is fixed in connection ring；The transmission ring left end is fixed on blind hole left wall by No. two springs, and transmission ring is right
End is connect by No. three springs with connection ring；Turn channel is equipped with below the blind hole, blind hole is connected by sliding slot and turn channel
It is logical；Push rod is equipped in the turn channel；The upper end of the push rod is connect with transmission ring, and push rod lower end and switch button are embedded
The oblique angle of phase interworking sum is equipped on the contact surface of the intracorporal end thereof contacts of electric drill shell, push rod and switch button；
When work, keyhole is inserted a key into, since key is the hot-wire coil formation electromagnetism in ironwork, with keyhole
The electromagnet that iron, hot-wire coil and key are formed can produce biggish magnetic force, and iron block is attracted downwards；Iron block is in No.1 spring
Under support, movable plate and square magnet is driven to move down, is in same with annular magnet lower part when square magnet is moved down into
When on one horizontal line, square magnet is mutually exclusive with annular magnet, and annular magnet lower part is swung to the left, and transmission is circumferential
Left promotion makes square magnet quickly transmission ring can be pushed to move downward, reaction spirit using there is a natural attraction between the sexes the principle that identical charges repel each other
It is quick, the speed changed is improved, working efficiency is improved；Transmission ring drives push rod to move downward together, and push rod moves in turn pipeline
It is dynamic, it releases the lower end of push rod by switch button by oblique angle, and make switch button that can not be pressed, is disassembled electric drill head
When, it does not return because fault presses switch button and bit is caused to fly out, causes danger, improve the safety that user uses
Property.
Preferably, the push rod is arranged to segmented, and push rod is hingedly made of several steel bars head and the tail；When work, due to
Push rod needs to become moving down by transverse shifting by turn channel, and the push rod of segmented is convenient for, increase mobile in corner
The hinged push rod of flexibility when mobile, raising rate travel, while steel bar also ensures while ensure that flexibility to be pushed away
The intensity of bar improves the service life of push rod.
Preferably, the steel bar two sides are equipped with arc groove；When work, steel bar is contacted with the tube wall in turn channel and is rubbed
It wipes, arc groove reduces the contact area of steel bar and tube wall, reduces frictional force, keeps movement more smooth, improves work effect
Rate；Meanwhile the setting of arc groove keeps push rod more smooth when negotiating the corner, and is not easy stuck, improves electric drill
Service performance reduces the generation of failure, improves the working efficiency of user.
Preferably, turn channel lower end is communicated with oil pocket；The oil pocket lower end is equipped with the opening passed through for push rod,
Oil pocket lower part is obliquely installed to aperture position, and ring-shaped rubber film is equipped in oil pocket；In the outside and oil pocket of the ring-shaped rubber film
Side is affixed, and the inside of ring-shaped rubber film and push rod are affixed；When work, it is full of lubricating oil in bend pipe channel and oil pocket, push rod is made to exist
It is adequately lubricated in motion process, reduces the friction between turn pipeline, improve the mobile fluency of push rod；Ring-shaped rubber
Film deforms downwards with the movement of push rod, guarantees that lubricating oil will not enter other parts, influences using, oil pocket lower part to opening position
It sets and is obliquely installed, the deformation for ring-shaped rubber film provides space；In ring-shaped rubber film deformation process, oil pocket and turn pipeline connect
Logical space constantly changes, lubricating oil flow, is lubricated to hinged place each on push rod, guarantees good working order, mentions
High service life.
Preferably, hinged place is provided with gap between the steel bar, and the size in gap is arranged between 0.5-1mm；Work
Gap, which is arranged, when making, between head and the tail makes two steel bars reduce contact, reduces frictional force, will not heat production, make push rod in moving process
In it is more sensitive；It bends when push rod is in corner, curved interior space, which becomes smaller, becomes lubricating oil to curved outside space
Big position squeezes, and lubricating oil makes lubricating oil flow convenient for the gap across hinged place, preferably to steel bar hinged place into
Row lubrication improves the service life of steel bar.
Preferably, it is connected between the push rod and transmission ring by trapezoidal thread；When work, due on transmission ring excircle
It is provided with trapezoidal thread, reduces the friction area with blind hole, improves the rate pushed, improves working efficiency；Transmission ring simultaneously
It is connect by screw thread with push rod, when installation first loads onto push rod, then need to only screw in transmission ring in the screw thread on push rod, both
It is connected firmly, and maintenance easy to disassemble.
Beneficial effects of the present invention are as follows:
1. the present invention forms electromagnet by key and hot-wire coil and generates magnetic force, iron block is attracted downwards, drive activity
Plate and square magnet move down, and keep square magnet mutually exclusive with annular magnet, by the movement of annular magnet, by transmission ring
It pushes, is quick on the draw to the left, improve the speed changed, improve working efficiency；Transmission ring drives push rod to move in turn pipeline,
It releases push rod by switch button, and makes switch button that can not be pressed, it, will not be because of fault when being disassembled electric drill head
Pressing switch button causes bit to fly out, and causes danger, and improves the safety that user uses.
2. the present invention is by being arranged to segmentation structure for push rod, mobile in corner convenient for push rod, when increasing mobile
The hinged push rod of flexibility, raising rate travel, while steel bar also ensures the intensity of push rod while ensure that flexibility,
Improve the service life of push rod.
3. the present invention obtains push rod during the motion adequately by being full of lubricating oil in bend pipe channel and oil pocket
Lubrication reduces the friction between turn pipeline, improves the mobile fluency of push rod；In push rod moving process, lubricating oil flow is right
Each hinged place is lubricated on push rod, is guaranteed good working order, is improved service life；Ring-shaped rubber film is with pushing away simultaneously
The movement of bar deforms downwards, guarantee lubricating oil will not enter other parts, influence using；Oil pocket lower part is set to aperture position inclination
It sets, the deformation for ring-shaped rubber film provides space.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is main view of the invention；
Operation schematic diagram when Fig. 2 is present invention disassembly electric drill head；
Fig. 3 is partial enlarged view at A in Fig. 2；
Fig. 4 is partial enlarged view at B in Fig. 2；
In figure: electric drill head 1, No.1 cavity 3, movable plate 4, square magnet 5, iron block 6, keyhole 7, is powered at electric drill shell 2
Coil 8, switch button 9, blind hole 10, annular magnet 11, connection ring 12, transmission ring 13, turn channel 14, sliding slot 15, push rod 16,
Steel bar 17, arc groove 18, oil pocket 19, ring-shaped rubber film 20.
Specific embodiment
It is carried out using a kind of functional form electric drill of Fig. 1-Fig. 4 to an embodiment of the present invention as described below.
As shown in Figure 1, Figure 2 and Figure 3, a kind of functional form electric drill of the present invention, including electric drill head 1 and electric drill shell 2,
No.1 cavity is equipped in the electric drill head 1；Movable plate 4 is connected with by No.1 spring in the No.1 cavity；The movable plate 4
Left end and right end be connected respectively square magnet 5 and iron block 6；The No.1 cavity and electric drill shell lead between 2 outside
Cross the connection of keyhole 7；Hot-wire coil 8 is arranged in the keyhole 7；Control is embedded on 2 lower outside of electric drill shell
The switch button 9 that electric drill head 1 rotates, equipped with blind hole 10 in 2 top of electric drill shell；The 10 lower end bus of blind hole and No.1 cavity
Bottom be on same horizontal line, be connected in turn from right to left in blind hole 10 annular magnet 11, connection ring 12 and transmission
Ring 13；The annular magnet 11 is fixed in connection ring 12；13 left end of transmission ring is fixed on blind hole 10 by No. two springs
Left wall, 13 right end of transmission ring are connect by No. three springs with connection ring 12；Turn channel 14, blind hole are equipped with below the blind hole 10
10 are connected to by sliding slot 15 with turn channel 14；Push rod 16 is equipped in the turn channel 14；The upper end of the push rod 16 and biography
Rotating ring 13 connects, and 16 lower end of push rod and switch button 9 are embedded the end thereof contacts in electric drill shell 2, push rod 16 and switch button 9
Contact surface on be equipped with the oblique angle of phase interworking sum；
When work, keyhole 7 is inserted a key into, since key is the formation of hot-wire coil 8 in ironwork, with keyhole 7
The electromagnet that electromagnet, hot-wire coil 8 and key are formed can produce biggish magnetic force, and iron block 6 is attracted downwards；Iron block 6 is one
Under the support of number spring, movable plate 4 and square magnet 5 is driven to move down, when square magnet 5 is moved down into and annular magnet
When 11 lower parts are in same horizontal line, square magnet 5 and annular magnet 11 are mutually exclusive, by 11 lower part of annular magnet to
Left swing is dynamic, and transmission ring 13 is pushed to the left, using there is a natural attraction between the sexes the principle that identical charges repel each other, push square magnet 5 can quickly
Transmission ring 13 moves downward, and is quick on the draw, and improves the speed changed, improves working efficiency；Transmission ring 13 drives push rod 16 together
It moves downward, push rod 16 moves in turn pipeline, releases the lower end of push rod 16 by switch button 9 by oblique angle, and make out
Closing button 9 can not be pressed, and when being disassembled electric drill head 1, switch button 9 will not be pressed because of fault leads to bit
It flies out, causes danger, improve the safety that user uses.
As shown in Figure 1 and Figure 4, the push rod 16 is arranged to segmented, and push rod 16 is by several 17 hinged group of head and the tail of steel bar
At；When work, since push rod 16 needs to become moving down by transverse shifting by turn channel 14, the push rod 16 of segmented is just
In flexibility mobile in corner, when increasing mobile, the hinged push rod 16 of raising rate travel, while steel bar 17 ensure that
The intensity of push rod 16 is also ensured while flexibility, improves the service life of push rod 16.
As shown in figure 4,17 two sides of steel bar are equipped with arc groove 18；When work, steel bar 17 and turn channel 14
Tube wall contact friction, arc groove 18 reduce the contact area of steel bar 17 Yu tube wall, reduce frictional force, flow movement more
Freely, working efficiency is improved；Meanwhile the setting of arc groove 18 keeps push rod 16 more smooth when negotiating the corner, and is not easy
It is stuck, the service performance of electric drill is improved, the generation of failure is reduced, improves the working efficiency of user.
As depicted in figs. 1 and 2,14 lower end of turn channel is communicated with oil pocket 19；19 lower end of oil pocket is equipped with and is used for
The opening that push rod 16 passes through, 19 lower part of oil pocket are obliquely installed to aperture position, and ring-shaped rubber film 20 is equipped in oil pocket 19；The ring
The outside of shape rubber membrane 20 and 19 inside of oil pocket are affixed, and the inside of ring-shaped rubber film 20 and push rod 16 are affixed；When work, bend pipe is logical
It is full of lubricating oil in road and oil pocket 19, lubricates push rod 16 adequately during the motion, reduces between turn pipeline
Friction, improve the mobile fluency of push rod 16；Ring-shaped rubber film 20 deforms downwards with the movement of push rod 16, guarantees lubricating oil not
Other parts can be entered, influenced using 19 lower part of oil pocket is obliquely installed to aperture position, and the deformation for ring-shaped rubber film 20 provides
Space；In 20 deformation process of ring-shaped rubber film, the space that oil pocket is connected to turn pipeline constantly changes, and lubricating oil flow is right
Each hinged place is lubricated on push rod 16, is guaranteed good working order, is improved service life.
As shown in figure 4, hinged place is provided with gap between the steel bar 17, and the size setting in gap 0.5-1mm it
Between；Gap, which is arranged, when work, between head and the tail makes two steel bars 17 reduce contact, reduces frictional force, will not heat production, so that push rod 16 is existed
It is more sensitive in moving process；It bends when push rod 16 is in corner, curved interior space becomes smaller lubricating oil to bending
The position that outer space becomes larger squeezes, and lubricating oil makes lubricating oil flow, preferably to steel convenient for the gap across hinged place
17 hinged place of item is lubricated cooling, improves the service life of steel bar 17.
As shown in figure 3, being connected between the push rod 16 and transmission ring 13 by trapezoidal thread；When work, due to transmission ring
It is provided with trapezoidal thread on 13 excircles, reduces the friction area with blind hole 10, improves the rate pushed, improves work effect
Rate；Transmission ring 13 is connect by screw thread with push rod 16 simultaneously, and when installation first loads onto push rod 16, then need to be screwed in transmission ring 13
It in screw thread on push rod 16, was not only connected firmly, but also maintenance easy to disassemble.
Specific embodiment:
When work, keyhole 7 is inserted a key into, since key is the formation of hot-wire coil 8 in ironwork, with keyhole 7
The electromagnet that electromagnet, hot-wire coil 8 and key are formed can produce biggish magnetic force, and iron block 6 is attracted downwards, easy to operate,
When one time of key can not find and be badly in need of more bit change, can be replaced by an iron staff；Support of the iron block 6 in No.1 spring
Under, it drives movable plate 4 and square magnet 5 to move down, is in same with 11 lower part of annular magnet when square magnet 5 is moved down into
When on one horizontal line, square magnet 5 and annular magnet 11 are mutually exclusive, and annular magnet 11 is pushed to the left, pass through No. three
The compression of spring and No. two springs pushes transmission ring 13 to the left, using there is a natural attraction between the sexes the principle that identical charges repel each other, makes rectangular magnetic
Iron 5 can quickly push transmission ring 13 to move downward, and be quick on the draw, and improve the speed changed, improve working efficiency；13 band of transmission ring
Dynamic push rod 16 moves downward together, and push rod 16 moves in turn pipeline, and the lower end of push rod 16 is made to pass through oblique angle for switch button 9
It releases, and makes switch button 9 that can not be pressed, when being disassembled electric drill head 1, do not return because switch button 9 is pressed in fault
Cause bit to fly out, cause danger, improves the safety that user uses.
Although the present invention be illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from
In the case where the scope of the invention, various transformation and equivalent substitute can also be carried out to the present invention.In addition, being directed to particular condition or material
Material, can do various modifications to the present invention, without departing from the scope of the present invention.Therefore, the present invention is not limited to disclosed tool
Body embodiment, and should include the whole embodiments fallen within the scope of the appended claims.
Claims (6)
1. a kind of functional form electric drill, including electric drill head (1) and electric drill shell (2), it is characterised in that: set in the electric drill head (1)
There are No.1 cavity (3)；Movable plate (4) are connected with by No.1 spring in the No.1 cavity (3)；A left side for the movable plate (4)
End and right end have been connected respectively square magnet (5) and iron block (6)；The No.1 cavity (3) and electric drill shell (2) outside
Between by keyhole (7) be connected to；Hot-wire coil (8) are arranged in the keyhole (7)；Electric drill shell (2) lower outside
On be embedded with the switch button (9) of control electric drill head (1) rotation, equipped with blind hole (10) in electric drill shell (2) top；The blind hole
(10) bottom of lower end bus and No.1 cavity (3) is on same horizontal line, is sequentially connected from right to left in blind hole (10)
There are annular magnet (11), connection ring (12) and transmission ring (13)；The annular magnet (11) is fixed on connection ring (12)；It is described
Transmission ring (13) left end is fixed on blind hole (10) left wall by No. two springs, transmission ring (13) right end by No. three springs with connect
Ring (12) connection；Turn channel (14) are equipped with below the blind hole (10), blind hole (10) passes through sliding slot (15) and turn channel
(14) it is connected to；Push rod (16) are equipped in the turn channel (14)；The upper end of the push rod (16) is connect with transmission ring (13), is pushed away
Bar (16) lower end and switch button (9) are embedded the end thereof contacts in electric drill shell (2), push rod (16) and switch button (9)
The oblique angle of phase interworking sum is equipped on contact surface.
2. a kind of functional form electric drill according to claim 1, it is characterised in that: the push rod (16) is arranged to segmented,
Push rod (16) is hingedly made of several steel bars (17) head and the tail.
3. a kind of functional form electric drill according to claim 2, it is characterised in that: steel bar (17) two sides are equipped with circular arc
Groove (18).
4. a kind of functional form electric drill according to claim 3, it is characterised in that: turn channel (14) lower end is communicated with
Oil pocket (19)；Oil pocket (19) lower end is equipped with the opening passed through for push rod (16), and oil pocket (19) lower part is inclined to aperture position
Tiltedly setting, oil pocket (19) is interior to be equipped with ring-shaped rubber film (20)；It is solid on the inside of the outside and oil pocket (19) of the ring-shaped rubber film (20)
It connects, the inside of ring-shaped rubber film (20) and push rod (16) are affixed.
5. a kind of functional form electric drill according to claim 2, it is characterised in that: between steel bar (17) hinged place is provided with
Gap, and the size in gap is arranged between 0.5-1mm.
6. a kind of functional form electric drill according to claim 1, it is characterised in that: the push rod (16) and transmission ring (13) it
Between pass through trapezoidal thread connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280374.8A CN109128290B (en) | 2018-10-30 | 2018-10-30 | Functional electric drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280374.8A CN109128290B (en) | 2018-10-30 | 2018-10-30 | Functional electric drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109128290A true CN109128290A (en) | 2019-01-04 |
| CN109128290B CN109128290B (en) | 2019-12-20 |
Family
ID=64807083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811280374.8A Active CN109128290B (en) | 2018-10-30 | 2018-10-30 | Functional electric drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109128290B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103658C (en) * | 1997-12-02 | 2003-03-26 | 星蒂拉公开股份有限公司 | Shaft braker |
| CN1628936A (en) * | 2003-12-20 | 2005-06-22 | 罗伯特·博世有限公司 | Electrical machine tool |
| DE202005017962U1 (en) * | 2005-11-15 | 2006-03-02 | Hans Einhell Ag | Electrical hand tool, for drilling wall has metallic projection e.g. drill, pointing towards wall, which serves as antenna for detecting electromagnetic alternating signals transmitted by alternating field of conductor in wall |
| CN202742353U (en) * | 2012-06-19 | 2013-02-20 | 浙江信源电器制造有限公司 | Safety protection device for electric tool |
| CN105436561A (en) * | 2015-12-26 | 2016-03-30 | 宁波鑫晟工具有限公司 | Electric drill |
| CN105436558A (en) * | 2015-12-26 | 2016-03-30 | 宁波鑫晟工具有限公司 | Electric drill with misoperation prevention function |
-
2018
- 2018-10-30 CN CN201811280374.8A patent/CN109128290B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103658C (en) * | 1997-12-02 | 2003-03-26 | 星蒂拉公开股份有限公司 | Shaft braker |
| CN1628936A (en) * | 2003-12-20 | 2005-06-22 | 罗伯特·博世有限公司 | Electrical machine tool |
| DE202005017962U1 (en) * | 2005-11-15 | 2006-03-02 | Hans Einhell Ag | Electrical hand tool, for drilling wall has metallic projection e.g. drill, pointing towards wall, which serves as antenna for detecting electromagnetic alternating signals transmitted by alternating field of conductor in wall |
| CN202742353U (en) * | 2012-06-19 | 2013-02-20 | 浙江信源电器制造有限公司 | Safety protection device for electric tool |
| CN105436561A (en) * | 2015-12-26 | 2016-03-30 | 宁波鑫晟工具有限公司 | Electric drill |
| CN105436558A (en) * | 2015-12-26 | 2016-03-30 | 宁波鑫晟工具有限公司 | Electric drill with misoperation prevention function |
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| Publication number | Publication date |
|---|---|
| CN109128290B (en) | 2019-12-20 |
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Effective date of registration: 20190919 Address after: 321300 No. 106 National Highway 330, Huajie Town Industrial Zone, Yongkang City, Jinhua City, Zhejiang Province Applicant after: Zhejiang sunpoly trade limited company Address before: 100043 Beijing city Changping District Road No. 18, China University of Petroleum Applicant before: Zhang Jia Jun |
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