CN102810934B - Operation mechanism of motor protector - Google Patents
Operation mechanism of motor protector Download PDFInfo
- Publication number
- CN102810934B CN102810934B CN201110144251.3A CN201110144251A CN102810934B CN 102810934 B CN102810934 B CN 102810934B CN 201110144251 A CN201110144251 A CN 201110144251A CN 102810934 B CN102810934 B CN 102810934B
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- Prior art keywords
- connecting rod
- lock dog
- tooth bar
- slide block
- motor protector
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- 230000001012 protector Effects 0.000 title claims abstract description 28
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 14
- 230000000903 blocking effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The invention relates to an operation mechanism of a motor protector, which comprises a bracket, a knob handle, a sliding block and a tripping frame, wherein a breakover column and a sliding block pressure spring are arranged on the lower side of the sliding block, a link mechanism for driving the sliding block to slide downwards is arranged between the knob handle and the sliding block, the link mechanism comprises a driving gear, a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is provided with a driven gear which is engaged with the driving gear, the middle part of the first connecting rod is connected in an articulated way by a first articulated shaft and connected in an articulated way with a limit rack by the first articulated shaft, the two ends of the second connecting rod are respectively connected in an articulated way with one end of the first connecting rod and the middle part of the third connecting rod by a moving articulated shaft, the middle part of the tripping frame is connected in an articulated way by a second articulated shaft, one side of the tripping frame is connected in an articulated way with one end of the third connecting rod by the moving articulated shaft, the other end of the third connecting rod opposite to the tripping frame is in linking coordination with the sliding block. The technical proposal of the operation mechanism of the motor protector has the effects that the operation is easier to implement and the structure is more stable.
Description
Technical field
The present invention relates to field of electromotor protectors, be specifically related to a kind of operating mechanism of motor protector.
Background technology
The effect of motor protector is comprehensively to protect to motor; in the time that motor occurs that overcurrent, undercurrent, disconnected phase, stall, short circuit, overvoltage, under-voltage, electric leakage, three-phase imbalance, overheated, ground connection, bearing wear, rotor are eccentric, the device of being reported to the police or protecting.Traditional operating mechanism of motor protector; generally include support, joystick knob, slide block and dropout frame; slide block downside is provided with conduction column and slide block stage clip; between joystick knob and slide block, be provided with the link gear that drives slide block down sliding; the mode that existing link gear adopts is a lot; but total problems such as not in place, fragile that operate that exist.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide the operating mechanism of motor protector that a kind of operation more easily puts in place, structure is more firm.
For achieving the above object, the invention provides following technical scheme: a kind of operating mechanism of motor protector, comprise support, joystick knob, slide block and dropout frame, slide block downside is provided with conduction column and slide block stage clip, between joystick knob and slide block, be provided with the link gear that drives slide block down sliding, it is characterized in that: described link gear comprises driving gear, first connecting rod, second connecting rod and third connecting rod, described driving gear is arranged on joystick knob and with joystick knob and is coaxial setting, described first connecting rod one end is provided with the driven gear being meshed with driving gear, first connecting rod middle part is articulated and connected and is hingedly connected with position-limited rack by this first jointed shaft by the first jointed shaft being fixedly connected with support, the described second connecting rod two ends driven gear other end relative to first connecting rod and third connecting rod middle part are articulated and connected by moveable hinge spindle respectively, described dropout frame middle part is articulated and connected by the second jointed shaft being fixedly connected with support, dropout frame one side is articulated and connected by moveable hinge spindle and third connecting rod one end, relatively the thread off frame other end and slide block of third connecting rod is the setting that is linked, described position-limited rack is provided with an elongated end, described dropout is set up and is equipped with the projection matching with position-limited rack elongated end.
By adopting technique scheme, when operating mechanism of motor protector is during in off-state, the projection of dropout frame is placed in position-limited rack elongated end one side; While carrying out making operation, by rotation joystick knob, the driving gear of joystick knob drives the driven gear of first connecting rod to rotate, due to the effect of the first jointed shaft, the relative driven gear other end of first connecting rod swings, because blocking the frame that makes to thread off, limited elongated end of projection of dropout frame can not rotate simultaneously, the relative driven gear other end of first connecting rod just moves down the third connecting rod frame other end of relatively threading off by second connecting rod, thereby makes slide block down sliding so that in on-state; In the time threading off, position-limited rack rotates position-limited rack elongated end is upturned around the first jointed shaft, and the frame of now threading off is because the position-limiting action that there is no position-limited rack elongated end can rotate, and because the effect of slide block stage clip makes slide block upward sliding so that threads off.
The present invention is further set to: described dropout frame relative limit frame opposite side is provided with lock dog, described lock dog can slide up and down and be arranged on support, described dropout is set up to be equipped with and can be stirred the pulling part that lock dog moves up, described lock dog is provided with to the down return unit of the application of force of lock dog, lock dog one side is provided with the tooth bar that is meshed with driving gear and arranges, described tooth bar can near or be slidably arranged on support away from lock dog, described tooth bar is provided with and makes its elastic component away from lock dog, between described tooth bar and lock dog, be provided with both near time phase locking lockable mechanism.
By adopting technique scheme, while carrying out making operation, by rotation joystick knob, the driving gear band carry-over bar of joystick knob is close to lock dog; When in on-state, the lockable mechanism between tooth bar and lock dog makes tooth bar and lock dog phase locking; In the time occurring to thread off, the pulling part of dropout frame is stirred lock dog and is moved up, and now lockable mechanism is removed locking, and tooth bar is because the effect of elastic component resets.
The present invention is further set to: described lockable mechanism comprises the boss that is arranged on relative lock dog one side of tooth bar and protrudes to lock dog, is provided with groove on boss, and the male member that is arranged on relative tooth bar one side of lock dog and matches with groove.
By adopting technique scheme, while carrying out making operation, by rotation joystick knob, the driving gear band carry-over bar of joystick knob is close to lock dog, and when in on-state, the male member of lock dog enters in the groove of tooth bar, thereby arrives the object of locking; In the time occurring to thread off, the pulling part of dropout frame is stirred lock dog and is moved up, and now male member departs from groove, and tooth bar is because the effect of elastic component resets.
The present invention is further set to: on described lock dog, be provided with the guide rail arranging along the vertical direction, on support, be provided with the guide groove matching with guide rail, described lock dog moves up and is provided with snap device between rear rail and guide groove, between described lock dog and tooth bar, be also provided with sliding part and chute, described chute arranges along tooth bar moving direction, and after described lock dog moves up, sliding part is placed in chute and can slides along chute.
By adopting technique scheme, in disconnecting or when on-state, lock dog due to the effect of return unit in projection can with the position of tooth bar groove phase locking, after threading off, the pulling part of dropout frame is stirred lock dog and is moved up, the guide rail of lock dog moves up along the guide groove of support, in the time that lock dog guide rail is moved upwards up to certain position, snap device between guide rail and guide groove makes guide rail and guide groove generation buckle, now lock dog can not move down because of the effect of return unit, and the sliding part between lock dog and tooth bar is placed in chute, simultaneously the projection of lock dog and tooth bar groove are separated and make tooth bar because the effect of elastic component reset occurs with away from lock dog, due to the restriction of chute length to sliding part, make the reset of tooth bar apart from producing restriction, and then make the rotation of rack drives driving gear and joystick knob generation certain angle, thereby make operating personnel to judge that whether motor protector is in trip status according to the anglec of rotation of joystick knob.
The present invention is further set to: described guide rail top is broadening setting, broadening place is provided with limiting stand, described guide groove top is and subtracts narrow and both sides, guide groove top and be flexible setting, described guide rail top width is greater than guide groove top width, and described guide rail top coordinates the described snap device of formation with guide groove top.
By adopting technique scheme, guide rail top easily ejects to guide groove top, and because the flexibly-acting of limiting stand and both sides, guide groove top is difficult for occurring in retraction guide groove, lock dog generation buckle while making guide rail top eject to guide groove top.
The present invention is further set to: described return unit and elastic component are set to Compress Spring respectively.
By adopting technique scheme, slide block and tooth bar reset by Compress Spring respectively.
The present invention is further set to: described support is fixedly connected with the guide shaft arranging along the vertical direction, is provided with the axis hole matching with guide shaft on described slide block.
By adopting technique scheme, due to the mating reaction of guide shaft and axis hole, more stable when slide block is moved up and down.
Below in conjunction with accompanying drawing, the invention will be further described.
Brief description of the drawings
Fig. 1 is operating mechanism of motor protector embodiment explosive view of the present invention;
Fig. 2 is operating mechanism of motor protector embodiment off-state structure chart of the present invention;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is the B-B cutaway view of Fig. 2;
Fig. 5 is operating mechanism of motor protector embodiment slide block down sliding structure graph of the present invention;
Fig. 6 is that the C of Fig. 5 is to view;
Fig. 7 is the D-D cutaway view of Fig. 5;
Fig. 8 is operating mechanism of motor protector embodiment on-state structure chart of the present invention;
Fig. 9 is that the E of Fig. 8 is to view;
Figure 10 is the F-F cutaway view of Fig. 8;
Figure 11 is the operating mechanism of motor protector embodiment of the present invention initial equilibrium state structure chart of threading off;
Figure 12 is the vertical view of Figure 11;
Figure 13 is the G-G cutaway view of Figure 12;
Figure 14 is the H-H cutaway view of Figure 12;
Figure 15 is structure graph after operating mechanism of motor protector embodiment of the present invention threads off;
Figure 16 is the vertical view of Figure 15;
Figure 17 is the I-I cutaway view of Figure 16;
Figure 18 is the J-J cutaway view of Figure 16.
Embodiment
Referring to accompanying drawing 1-18, operating mechanism of motor protector disclosed by the invention, comprise support 1, joystick knob 2, slide block 3 and dropout frame 4, the present embodiment also comprises left cover 5, right cover plate 6 and dropout pressing plate 7 and dropout stage clip, slide block 3 downsides are provided with conduction column 8 and slide block stage clip 9, between joystick knob 2 and slide block 3, be provided with the link gear that drives slide block 3 down slidings, described link gear comprises driving gear 201, first connecting rod 10, second connecting rod 11 and third connecting rod 12, described driving gear 201 is arranged on joystick knob 2 and with joystick knob 2 and is coaxial setting, described first connecting rod 10 one end are provided with the driven gear 101 being meshed with driving gear 201, first connecting rod 10 middle parts are articulated and connected and are hingedly connected with position-limited rack 14 by this first jointed shaft 13 by the first jointed shaft 13 being fixedly connected with support 1, described second connecting rod 11 two ends driven gear 101 other ends relative to first connecting rod 10 and third connecting rod 12 middle parts are respectively by moveable hinge spindle 15, 16 are articulated and connected, described dropout 4 middle parts are articulated and connected by the second jointed shaft 17 being fixedly connected with support 1, dropout frame 4 one sides are articulated and connected by moveable hinge spindle 18 and third connecting rod 12 one end, relative dropout frame 4 other ends of third connecting rod 12 and slide block 3 are the setting that is linked, it should be noted that herein, relative dropout frame 4 other ends of third connecting rod 12 can adopt various different modes and slide block 3 to be the setting that is linked, as being directly fixedly connected with slide block 3 or between arranges connecting rod etc., described position-limited rack 14 is provided with an elongated end 141, described dropout frame 4 is provided with the projection 401 matching with position-limited rack 14 elongated ends 141.The present embodiment is preferred, and second connecting rod 11 and third connecting rod 12 are two-piece type setting respectively.It should be noted that, it is radially movable that moveable hinge spindle 15,16,18 refers to jointed shaft herein.By adopting technique scheme, when operating mechanism of motor protector is during in off-state, the projection 401 of dropout frame 4 is placed in position-limited rack 14 elongated end 141 1 sides, while carrying out making operation, by rotation joystick knob 2, the driving gear 201 of joystick knob 2 drives the driven gear 101 of first connecting rod 10 to rotate, due to the effect of the first jointed shaft 13, relative driven gear 101 other ends of first connecting rod 10 swing, because blocking the frame 4 that makes to thread off, limited 14 elongated ends 141 of projection 401 of dropout frame 4 can not rotate simultaneously, relative driven gear 101 other ends of first connecting rod 10 just move down relative dropout frame 4 other ends of third connecting rod 12 by second connecting rod 11, thereby make slide block 3 down slidings so that in on-state, in the time threading off, position-limited rack 14 rotates position-limited rack 14 elongated ends 141 is upturned around the first jointed shaft 13, now thread off frame 4 because the position-limiting action that there is no position-limited rack 14 elongated ends 141 can rotate, and because the effect of slide block stage clip 9 makes slide block 3 upward slidings so that threads off.
The present embodiment further arranges: described dropout frame 4 relative limit frame 14 opposite sides are provided with lock dog 19, described lock dog 19 can slide up and down and be arranged on support 1, described dropout frame 4 is provided with can stir the pulling part 402 that lock dog 19 moves up, described lock dog 19 is provided with to the down return unit 20 of the application of force of lock dog 19, lock dog 19 1 sides are provided with the tooth bar 21 that is meshed with driving gear 201 and arranges, described tooth bar 21 can near or be slidably arranged on support 1 away from lock dog 19, described tooth bar 21 is provided with and makes its elastic component 22 away from lock dog 19, between described tooth bar 21 and lock dog 19, be provided with both near time phase locking lockable mechanism.By adopting technique scheme, while carrying out making operation, by rotation joystick knob 2, the driving gear 201 of joystick knob 2 is with carry-over bar 21 close to lock dog 19; When in on-state, the lockable mechanism between tooth bar 21 and lock dog 19 makes tooth bar 21 and lock dog 19 phase lockings; In the time occurring to thread off, the pulling part 402 of dropout frame 4 is stirred lock dog 19 and is moved up, and now lockable mechanism is removed locking, and tooth bar 21 is because the effect of elastic component 22 resets.
Lockable mechanism of the present invention can adopt multitude of different ways setting, the present embodiment is preferably set to: described lockable mechanism comprises the boss 211 that is arranged on relative lock dog one side of tooth bar 21 and protrudes to lock dog 19, on boss 211, be provided with groove 212, and the male member 191 that is arranged on relative tooth bar 21 1 sides of lock dog 19 and matches with groove 212.It should be noted that, boss 211 is arranged on lock dog 19 with groove 212 herein, and male member 191 is arranged on is also feasible on tooth bar 21.By adopting technique scheme, while carrying out making operation, by rotation joystick knob 2, the driving gear 201 of joystick knob 2 is with carry-over bar 21 close to lock dog 19, when in on-state, the male member 191 of lock dog 19 enters in the groove 212 of tooth bar 21, thereby arrives the object of locking; In the time occurring to thread off, the pulling part 402 of dropout frame 4 is stirred lock dog 19 and is moved up, and now male member 191 departs from groove 212, and tooth bar 21 is because the effect of elastic component 22 resets.
The present embodiment further arranges: on described lock dog 19, be provided with the guide rail 192 arranging along the vertical direction, on support 1, be provided with the guide groove 101 matching with guide rail 192, described lock dog 19 moves up and is provided with snap device between rear rail 192 and guide groove 101, between described lock dog 19 and tooth bar 21, be also provided with sliding part 213 and chute 193, described chute 193 is along tooth bar 21 moving direction settings, and after described lock dog 19 moves up, sliding part 213 is placed in chute 193 and can slides along chute 193.It should be noted that, sliding part 213 can be arranged on lock dog 19 herein, and chute 193 is arranged on tooth bar 21, and the present embodiment is preferably set to: sliding part 213 is arranged on tooth bar 21, and chute 193 is arranged on lock dog 19.By adopting technique scheme, in disconnecting or when on-state, lock dog 19 due to the effect of return unit 20 in projection 191 can with the position of tooth bar 21 groove 212 phase lockings, after threading off, the pulling part 402 of dropout frame 4 is stirred lock dog 19 and is moved up, the guide rail 192 of lock dog 19 moves up along the guide groove 101 of support 1, in the time that lock dog 19 guide rails 192 are moved upwards up to certain position, snap device between guide rail 192 and guide groove 101 makes guide rail 192 and guide groove 101 that buckle occur, now lock dog 19 can not move down because of the effect of return unit 20, and the sliding part 213 between lock dog 19 and tooth bar 21 is placed in chute 193, simultaneously the projection 191 of lock dog 19 and tooth bar 21 grooves 212 are separated and make tooth bar 21 because the effect of elastic component 22 occurs to reset with away from lock dog 19, due to the restriction of chute 193 length to sliding part 213, make the reset of tooth bar 21 apart from producing restriction, and then make tooth bar 21 drive driving gear 201 and joystick knob 2 that the rotation of certain angle occurs, thereby make operating personnel to judge that whether motor protector is in trip status according to the anglec of rotation of joystick knob 2.
Snap device of the present invention can adopt multitude of different ways setting, as arranged to the projection of support 1 direction on guide rail 192 tops, and the blind hole matching with projection in the corresponding guide groove 101 apical position settings of support 1 etc., the present embodiment preferably arranges and is set to: described guide rail 192 tops are broadening setting, broadening place is provided with limiting stand, described guide groove 101 tops are and subtract narrow and guide groove 101 both sides, top and be flexible setting, described guide rail 192 top width are greater than guide groove 101 top width, and described guide rail 192 tops coordinate the described snap device of formation with guide groove 101 tops.By adopting technique scheme, guide rail 192 tops easily eject to guide groove 101 tops, and because the flexibly-acting of limiting stand and guide groove 101 both sides, top is difficult for occurring in retraction guide groove 101, lock dog generation buckle while making guide rail 192 tops eject to guide groove 101 tops.
Return unit 20 of the present invention can adopt multitude of different ways setting respectively with elastic component 22, and as extension spring, torsion spring, spring leaf etc., the present embodiment is preferably set to: described return unit 20 is set to Compress Spring respectively with elastic component 22.By adopting technique scheme, slide block 19 resets by Compress Spring respectively with tooth bar 21.
The present embodiment is further set to: described support 1 is fixedly connected with the guide shaft 23 arranging along the vertical direction, is provided with the axis hole 301 matching with guide shaft 23 on described slide block 3.By adopting technique scheme, due to guide shaft 23 and the mating reaction of axis hole 301, more stable when slide block 3 is moved up and down.
Claims (7)
1. an operating mechanism of motor protector, comprise support, joystick knob, slide block and dropout frame, slide block downside is provided with conduction column and slide block stage clip, between joystick knob and slide block, be provided with the link gear that drives slide block down sliding, it is characterized in that: described link gear comprises driving gear, first connecting rod, second connecting rod and third connecting rod, described driving gear is arranged on joystick knob and with joystick knob and is coaxial setting, described first connecting rod one end is provided with the driven gear being meshed with driving gear, first connecting rod middle part is articulated and connected and is hingedly connected with position-limited rack by this first jointed shaft by the first jointed shaft being fixedly connected with support, the described second connecting rod two ends driven gear other end relative to first connecting rod and third connecting rod middle part are articulated and connected by moveable hinge spindle respectively, described dropout frame middle part is articulated and connected by the second jointed shaft being fixedly connected with support, dropout frame one side is articulated and connected by moveable hinge spindle and third connecting rod one end, relatively the thread off frame other end and slide block of third connecting rod is the setting that is linked, described position-limited rack is provided with an elongated end, described dropout is set up and is equipped with the projection matching with position-limited rack elongated end, second connecting rod and third connecting rod are two-piece type setting respectively.
2. operating mechanism of motor protector according to claim 1, it is characterized in that: described dropout frame relative limit frame opposite side is provided with lock dog, described lock dog can slide up and down and be arranged on support, described dropout is set up to be equipped with and can be stirred the pulling part that lock dog moves up, described lock dog is provided with to the down return unit of the application of force of lock dog, lock dog one side is provided with the tooth bar that is meshed with driving gear and arranges, described tooth bar can near or be slidably arranged on support away from lock dog, described tooth bar is provided with and makes its elastic component away from lock dog, between described tooth bar and lock dog, be provided with both near time phase locking lockable mechanism.
3. operating mechanism of motor protector according to claim 2; it is characterized in that: described lockable mechanism comprises the boss that is arranged on relative lock dog one side of tooth bar and protrudes to lock dog; on boss, be provided with groove, and the male member that is arranged on relative tooth bar one side of lock dog and matches with groove.
4. according to the operating mechanism of motor protector described in claim 2 or 3; it is characterized in that: on described lock dog, be provided with the guide rail arranging along the vertical direction; on support, be provided with the guide groove matching with guide rail; described lock dog moves up and is provided with snap device between rear rail and guide groove; between described lock dog and tooth bar, be also provided with sliding part and chute; described chute arranges along tooth bar moving direction, and after described lock dog moves up, sliding part is placed in chute and can slides along chute.
5. operating mechanism of motor protector according to claim 4; it is characterized in that: described guide rail top is broadening setting; broadening place is provided with limiting stand; described guide groove top is and subtracts narrow and both sides, guide groove top and be flexible setting; described guide rail top width is greater than guide groove top width, and described guide rail top coordinates the described snap device of formation with guide groove top.
6. operating mechanism of motor protector according to claim 4, is characterized in that: described return unit and elastic component are set to Compress Spring respectively.
7. operating mechanism of motor protector according to claim 4, is characterized in that: described support is fixedly connected with the guide shaft arranging along the vertical direction, is provided with the axis hole matching with guide shaft on described slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110144251.3A CN102810934B (en) | 2011-05-31 | 2011-05-31 | Operation mechanism of motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110144251.3A CN102810934B (en) | 2011-05-31 | 2011-05-31 | Operation mechanism of motor protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810934A CN102810934A (en) | 2012-12-05 |
| CN102810934B true CN102810934B (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110144251.3A Active CN102810934B (en) | 2011-05-31 | 2011-05-31 | Operation mechanism of motor protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102810934B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3545844A1 (en) * | 1985-12-23 | 1987-06-25 | Bbc Brown Boveri & Cie | Multi-phase motor protection circuit breaker |
| US4841266A (en) * | 1987-03-18 | 1989-06-20 | Licentia Patent-Verwaltungs-Gmbh | Circuit breaker having an electrodynamically opening contact system |
| CN201608130U (en) * | 2010-03-12 | 2010-10-13 | 浙江华航电气股份有限公司 | Tripper tripping device |
| CN101936375A (en) * | 2009-06-29 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Motor overload protection device |
| CN202084492U (en) * | 2011-05-31 | 2011-12-21 | 浙江科都电气制造有限公司 | Operating mechanism of motor protector |
-
2011
- 2011-05-31 CN CN201110144251.3A patent/CN102810934B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3545844A1 (en) * | 1985-12-23 | 1987-06-25 | Bbc Brown Boveri & Cie | Multi-phase motor protection circuit breaker |
| US4841266A (en) * | 1987-03-18 | 1989-06-20 | Licentia Patent-Verwaltungs-Gmbh | Circuit breaker having an electrodynamically opening contact system |
| CN101936375A (en) * | 2009-06-29 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Motor overload protection device |
| CN201608130U (en) * | 2010-03-12 | 2010-10-13 | 浙江华航电气股份有限公司 | Tripper tripping device |
| CN202084492U (en) * | 2011-05-31 | 2011-12-21 | 浙江科都电气制造有限公司 | Operating mechanism of motor protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102810934A (en) | 2012-12-05 |
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Address after: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325600 Puqi Town Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |
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