CN106944772A - A kind of easily welder - Google Patents
A kind of easily welder Download PDFInfo
- Publication number
- CN106944772A CN106944772A CN201710169501.6A CN201710169501A CN106944772A CN 106944772 A CN106944772 A CN 106944772A CN 201710169501 A CN201710169501 A CN 201710169501A CN 106944772 A CN106944772 A CN 106944772A
- Authority
- CN
- China
- Prior art keywords
- sides
- electric
- cavity
- chamber
- slippage slot
- Prior art date
Links
- 230000002687 intercalation Effects 0.000 claims abstract description 25
- 238000009830 intercalation Methods 0.000 claims abstract description 25
- 239000011257 shell materials Substances 0.000 claims abstract description 18
- 240000000233 Melia azedarach Species 0.000 claims abstract 3
- 210000001331 Nose Anatomy 0.000 claims description 16
- 230000023298 conjugation with cellular fusion Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 5
- 230000021037 unidirectional conjugation Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 210000003128 Head Anatomy 0.000 description 1
- 206010033307 Overweight Diseases 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 235000020825 overweight Nutrition 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
Description
Technical field
The present invention relates to welding technology field, more particularly to a kind of easily welder.
Background technology
At present, bonding machine is using more and more extensively, and itself is just able to normal work by power supply connection, so for weldering Whether the power supply connection picked firm and security of power supply connection be determine bonding machine can normal work basis, it is existing In due to bonding machine supply lines it is relatively thick heavier, and the connection-peg of bonding machine design relatively simple and do not design any sticking department Part, this allows for supply line because self gravitation is overweight and influences the steadiness of normal grafting, has grafting to loosen and lead often Cause the phenomenon of loose contact to occur, there is larger drawback, while the plug socket Setting pattern being engaged in existing with connection-peg More single, protective capacities is poor, lacks protection device, there is larger potential safety hazard.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of easily welder, and it can solve the problem that above-mentioned present skill The problem of in art.
The present invention is achieved through the following technical solutions：A kind of easily welder of the present invention, including even electricity Both sides above and below cavity, the cavity are provided with inside seat and the intercalation part 4 being arranged on the left of the even electric seat, the even electric seat to be all provided with There is the first slippage slot, be equipped with spiral shell shape bar in each first slippage slot, the spiral shell shape bar left-hand end is connected with motor, institute State inwall on the right side of cavity and be provided with the first slotted eye, the cavity inner left wall connects provided with first be provided with electric pole, the cavity above and below Both sides respectively enter above and below both sides first slippage slot in and the slipping block that is connected of sliding, in first slippage slot The slipping block and the spiral shell shape bar whorl be connected, the slipping block left end face is provided with and described first connects electric pole Opposed the first energization hole set, and circuit, the even electric seat are provided between the slipping block left end face and first slotted eye Provided with chamber is inserted in the wall body in left side, the slotting chamber right side inwall connects inwall equity in both sides above and below electric pole, the slotting chamber provided with second Provided with beveling groove, the described of both sides connects in electric seat left side wall body to being equipped with sliding chamber, the sliding chamber above and below the slotting chamber Provided with pushing block, the pushing block is provided with the rod member that both sides extension to the left and right is set, the sliding chamber outside the rod member in left side Surface wrap is provided with the first stage clip, and the even electric seat its right end face is provided with fixed plate, and the fixed plate connects on the right side of electric seat to described Extend above and below face and set, be provided with above and below the fixed plate in extension end in fixing hole, the fixing hole and be provided with fixing bolt, it is described Fixed plate is to fix the even electric seat, and the even electric seat left side is provided with the intercalation part set with the slotting chamber opposition, described to insert Head includes and cable that bonding machine be connected, the manipulation portion being fixed on the right side of the cable and is fixed on the manipulation portion right side Energization alarm set is provided with the plug that end face is connected with the slotting chamber, the energization casing.
Further technical scheme, first company's electric pole is connected with described second company's electric pole electric current, first energization Hole is connected with the line current.
Extension section is through the even electric seat wall body on the left of the sliding chamber on the left of further technical scheme, the rod member And sliding is connected, extension section passes through the even electric seat wall body and the sliding cooperation on the right side of the sliding chamber on the right side of the rod member Extension afterbody enters in the cavity on the right side of connection, the rod member, and the length that the rod member enters in the cavity is than described the The length of one company's electric pole is long.
Provided with perforation in further technical scheme, the plug, perforation left and right sides inwall is to being equipped with second Slippage slot, the plug its right end face is provided with the locking element that equity is set provided with above and below in the second energization hole, the perforation, each The locking element left and right sides is equipped with the projection that into second slippage slot of the left and right sides and sliding is connected, institute State second slotted eye and downside that locking element opposite side is equipped with the second slotted eye that opposition is set, the locking element of upside The locking element in second slotted eye between be provided with the second stage clip, up and down the locking element outboard end of both sides be equipped with Nose bar and the beveling block being arranged on the right side of the nose bar.
Further technical scheme, the energization alarm set includes attention gatter and sensing element, and the attention gatter is fixed The energization casing left surface top is arranged on, the sensing element is arranged on the cavity right-hand member outer wall, the attention gatter With sensing element electric current connection, when slipping block is located at the left-most position of cavity, the slipping block encounters the sensing element Part, it is powered that the sensing element controls the attention gatter to light prompting the second company electric pole.
The beneficial effects of the invention are as follows：
1. set by cavity inner left wall both sides above and below being set in first company's electric pole, cavity respectively enter above and below both sides first slide The slipping block moved in the slipping block that in groove and sliding is connected, the first slippage slot is connected with spiral shell shape bar whorl, sliding Block left end face is set connects the first energization hole that electric pole opposition is set with first, and line is set between slipping block left end face and the first slotted eye Road, is reliably kept apart by slipping block, it is entirely avoided the Danger Electric shock risk caused during personnel's grafting due to unexpected touch.
2. by, provided with chamber is inserted, inserting inwall on the right side of chamber in the wall body on the left of even electric seat and setting second company's electric pole, insert two above and below chamber Side inwall equity sets beveling groove, inserts in the electric seat left side wall body of company of both sides above and below chamber and sets pushing block to erecting in sliding chamber, sliding chamber, The rod member that both sides extension to the left and right is set is set on pushing block, the rod member outer surface in the interior left side of sliding chamber, which is wound, sets the first stage clip, passes through The auto-extending of rod member, with safeguard function, substantially increases the safety and reliability of electrical connection.
3. by setting the intercalation part for opposing and setting with slotting chamber on the left of even electric seat, intercalation part includes the cable being connected with bonding machine In line, the manipulation portion being fixed on the right side of cable and the plug for being fixed on manipulation portion its right end face and the mating connection of slotting chamber, plug If perforation, perforation left and right sides inwall to erecting the second slippage slot, plug its right end face is set set in the second energization hole, perforation above and below The locking element that equity is set, each locking element left and right sides is all provided with into the second slippage slot of the left and right sides and slides to coordinate to connect The projection connect, locking element opposite side is all provided with the second slotted eye that opposition is set, the second slotted eye and downside in the locking element of upside The second stage clip is set between the second slotted eye in locking element, the locking element outboard end of both sides is all provided with nose bar and is arranged on nose bar up and down The beveling block on right side, so as to realize that intercalation part is locked automatically, prevents from loosening, improves grafting steadiness.
4. simple in construction, simple operation of the invention, can automatically control power supply connection, grafting steadiness and security are higher, Prevent because causing Danger Electric shock risk unexpected touching, meet needed for existing electric welding machine powers.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.
Fig. 1 is a kind of easily welder internal structure schematic diagram of the invention；
Fig. 2 inserts structural representation when in chamber for the intercalation part insertion of the present invention；
Structural representation when Fig. 3 abuts against for the rod member of the present invention with slipping block；
Fig. 4 is the structural representation after the completion of a kind of easily welder grafting of the present invention；
Fig. 5 is the left view of slipping block of the present invention.
Embodiment
As Figure 1-Figure 5, a kind of easily welder of the invention, including connect electric seat 2 and be arranged on the even electricity The intercalation part 4 in the left side of seat 2, the even electric inside of seat 2 is provided with cavity 21, and the cavity is equipped with the first slippage slot in both sides about 21 23, spiral shell shape bar 231 each is equipped with first slippage slot 23, the left-hand end of spiral shell shape bar 231 is connected with motor 232, The right side inwall of cavity 21 is provided with the first slotted eye 22, and the inner left wall of cavity 21 connects electric pole 211, the cavity provided with first In 21 provided with both sides up and down respectively enter above and below both sides first slippage slot 23 in and the slipping block 24 that is connected of sliding, The slipping block 24 in first slippage slot 23 is connected with the whorl of spiral shell shape bar 231, and the slipping block 24 is left Side end face is provided with connects the first energization hole 241 that the opposition of electric pole 211 is set, its right end face of slipping block 24 and institute with described first State and circuit 221 is provided between the first slotted eye 22, provided with inserting chamber 25, the slotting right side of chamber 25 in the wall body in the even electric left side of seat 2 Inwall connects electric pole 252 provided with second, and inwall equity in both sides is provided with beveling groove 251 about 25 for the slotting chamber, and the slotting chamber is about 25 Pushing block 262 is provided with to being equipped with sliding chamber 26, the sliding chamber 26 in the even electric left side wall body of seat 2 of both sides, it is described to push away The outer surface of the rod member 261 in left side in the rod member 261 that block 262 is set provided with the extension of both sides to the left and right, the sliding chamber 26 Wind and be provided with the first stage clip 263, the even electric its right end face of seat 2 is provided with fixed plate 10, and the fixed plate 10 connects electric seat 2 to described Extend above and below right flank and set, the fixed plate is provided with fixing hole 101, the fixing hole 101 in extension end about 10 and is provided with Fixing bolt 102, the fixed plate 10 is provided with and slotting 25 pairs of the chamber to the fixed even electric seat 2, the even electric left side of seat 2 The intercalation part 4 put is erected, the intercalation part 4 includes the cable 41 being connected with bonding machine, the behaviour being fixed on the right side of the cable 41 Control portion 42 and the plug 43 for being fixed on its right end face of manipulation portion 42 and the slotting mating connection of chamber 25, the energization casing Energization alarm set is provided with 2.
Wherein, it is described first company electric pole 211 with described second company the electric current of electric pole 252 be connected, the first energization hole 241 and The electric current of circuit 221 connection.
Wherein, even electricity seat 2 wall body and the sliding of the left side extension section of rod member 261 through the left side of sliding chamber 26 It is connected, the right side extension section of rod member 261, which passes through the even electric wall body of seat 2 on the right side of sliding chamber 26 and slid, to be coordinated Connection, the right side extension afterbody of rod member 261 enters in the cavity 21, the length that the rod member 261 enters in the cavity 21 The length that degree connects electric pole 211 than described first is long, strengthen safeguard function in grafting so as to realize, prevents that unexpected touching from causing to break Electricity.
Wherein, provided with perforation 44 in the plug 43,44 left and right sides inwalls of the perforation are to being equipped with the second slippage slot 45, its right end face of plug 43 is provided with the second energization hole 431, the perforation 44 provided with the locking element that equity is set up and down 46, each left and right sides of locking element 46 is equipped with into second slippage slot 45 of the left and right sides and sliding cooperation connects The projection 461 connect, the opposite side of locking element 46 is equipped with the second slotted eye 462 that opposition is set, the locking element 46 of upside The second stage clip is provided between second slotted eye 462 in interior second slotted eye 462 and the locking element 46 of downside 4621, up and down the outboard end of the locking element 46 of both sides be equipped with nose bar 463 and be arranged on the beveling on the right side of the nose bar 463 Block 464, so as to realize the locking automatically of intercalation part 4, prevents that grafting from loosening.
Wherein, the energization alarm set includes attention gatter 202 and sensing element 201, and the attention gatter is fixedly installed on The left surface top of energization casing 2, the sensing element 201 is arranged on the right-hand member outer wall of cavity 21, the attention gatter 202 and the connection of the electric current of the sensing element 201, when slipping block 24 is located at the left-most position of cavity 21, the slipping block 24 touches To the sensing element 201, the sensing element 201 controls the attention gatter 202 to light prompting the second company band of electric pole 252 Electricity.
During original state, slipping block 24 is located at the right-most position of cavity 21, meanwhile, slipping block about 24 both sides positioned at the The right-most position of one slippage slot 23, now, rod member 261 are made by the top pressure active force of the first stage clip 263 in the left side of pushing block 262 The right-most position that pushing block 262 is located at sliding chamber 26 is obtained, now, the extension section of rod member 261 on the right side of pushing block 262 at utmost enters In cavity 21, meanwhile, the extension section of rod member 261 in the left side of pushing block 262 is located in the electric wall body of seat 2 of company in the left side of sliding chamber 26, now, The locking element of both sides up and down 46 in plug 43 is located at up and down the two of perforation 44 by the elastic pressure on top surface of the second stage clip 4621 respectively Side position, meanwhile, the projection 461 of the both sides of upside locking element 46 is located at the top side position of the second slippage slot 45, downside locking element 46 The projection 461 of both sides be located at the lower side position of the second slippage slot 45, now, up and down the nose bar 463 in both sides locking element 46 and tiltedly Stripping and slicing 464 is stretched out outside plug 43.
Grafting is needed in use, first by the leftward position of the electric seat 2 of the company of being moved to of intercalation part 4, while making on intercalation part 4 Plug 43 is in opposition position with slotting chamber 25, then promotes intercalation part 4 towards right side, is gradually inserted the plug 43 on intercalation part 4 Insert in chamber 25, offseted until beveling block 464 is slided with the even electric left side outer wall of seat 2 as shown in Fig. 2 continuing to promote intercalation part towards right side 4, make beveling block 464 by the pressure on top surface of the second stage clip 4621 is overcome after pushing force towards Slideslip in perforation 44, until beveling block 464 End face outside and slotting chamber about 25 inwall slide against cooperations, then proceed to promote intercalation part 4 towards right side, on the right side of plug 43 End face is abutted against with the slotting right side inwall of chamber 25, now, and second connects the fully-inserted second energization hole 431 of electric pole 252, meanwhile, beveling Block 464 is moved at beveling groove 251, now, and locking element 46 is entered by the pressure on top surface of the second stage clip 4621 by the top pressure of block 464 is chamfer Chamfer and locking is completed in groove 251, then, control spiral shell shape bar 231 to rotate by motor 232, slipping block is driven by spiral shell shape bar 231 24 towards left side movement, meanwhile, make slipping block 24 drive circuit 221 to enter in cavity 21, until the left end face of slipping block 24 and bar Its right end face of part 261 is abutted against to be rotated as shown in figure 3, continuing through the control spiral shell shape of motor 232 bar 231, drives rod member 261 Pushing block 262 overcomes the pressure on top surface of the first stage clip 263 to be moved towards left side, now, and first company's electric pole 211 is gradually inserted the first energization hole In 241, meanwhile, the left side extension section of rod member 261 is gradually stretched out outside even electric seat 2, until the left end face of slipping block 24 is left with cavity 21 Side inwall is abutted against, now, and the right side extension section of rod member 261 is entirely retracted to slide in the electric wall body of seat 2 of company on the right side of chamber 26, meanwhile, The left side extension section of rod member 261 at utmost stretches out the even electric outside of seat 2, and now, the left side extension segment trailer of rod member 261 is located at nose bar The position of 463 outside opposition, meanwhile, first connects the fully mated connection in 211 and first energization hole of electric pole 241 as shown in figure 4, now Power supply grafting is completed, when completion of powering needs disconnection of plug portion 4, controls spiral shell shape bar 231 to invert by motor 232 first, Slipping block 24 is set to be moved towards right side, meanwhile, rod member 261 is made rod member 261 by the pressure on top surface of the first stage clip 263 in the left side of pushing block 262 Simultaneously towards right side movement, now, first company's electric pole 211 progressively disengages the first energization hole 241, when its right end face of pushing block 262 and cunning When the shifting right side inwall of chamber 26 offsets, now, the right side extension section of rod member 261 at utmost enters in cavity 21, meanwhile, first is even electric Bar 211 is completely disengaged from the first energization hole 241, now, and the left side extension section of rod member 261 is fully retracted company's electricity in the left side of sliding chamber 26 In 2 wall bodies of seat, until when slipping block 24 is moved to 21 right-most position of cavity, now, circuit 221 is fully retracted the first slotted eye 22 It is interior, then by Manual press nose bar 463, nose bar 463 is driven the beveling block 464 in locking element 46 and locking element 46 towards wearing Hole 44 is slided, until when beveling block 464 is entirely retracted in perforation 44, now, pulling intercalation part 4 towards left side, making on intercalation part 4 Plug 43 completely disengages from slotting chamber 25, nose bar 463 is finally unclamped, while the He of beveling block 464 in locking element 46 and locking element 46 Nose bar 463 recovers initial position.
The beneficial effects of the invention are as follows：
1. set by cavity inner left wall both sides above and below being set in first company's electric pole, cavity respectively enter above and below both sides first slide The slipping block moved in the slipping block that in groove and sliding is connected, the first slippage slot is connected with spiral shell shape bar whorl, sliding Block left end face is set connects the first energization hole that electric pole opposition is set with first, and line is set between slipping block left end face and the first slotted eye Road, is reliably kept apart by slipping block, it is entirely avoided the Danger Electric shock risk caused during personnel's grafting due to unexpected touch.
2. by, provided with chamber is inserted, inserting inwall on the right side of chamber in the wall body on the left of even electric seat and setting second company's electric pole, insert two above and below chamber Side inwall equity sets beveling groove, inserts in the electric seat left side wall body of company of both sides above and below chamber and sets pushing block to erecting in sliding chamber, sliding chamber, The rod member that both sides extension to the left and right is set is set on pushing block, the rod member outer surface in the interior left side of sliding chamber, which is wound, sets the first stage clip, passes through The auto-extending of rod member, with safeguard function, substantially increases the safety and reliability of electrical connection.
3. by setting the intercalation part for opposing and setting with slotting chamber on the left of even electric seat, intercalation part includes the cable being connected with bonding machine In line, the manipulation portion being fixed on the right side of cable and the plug for being fixed on manipulation portion its right end face and the mating connection of slotting chamber, plug If perforation, perforation left and right sides inwall to erecting the second slippage slot, plug its right end face is set set in the second energization hole, perforation above and below The locking element that equity is set, each locking element left and right sides is all provided with into the second slippage slot of the left and right sides and slides to coordinate to connect The projection connect, locking element opposite side is all provided with the second slotted eye that opposition is set, the second slotted eye and downside in the locking element of upside The second stage clip is set between the second slotted eye in locking element, the locking element outboard end of both sides is all provided with nose bar and is arranged on nose bar up and down The beveling block on right side, so as to realize that intercalation part is locked automatically, prevents from loosening, improves grafting steadiness.
4. simple in construction, simple operation of the invention, can automatically control power supply connection, grafting steadiness and security are higher, Prevent because causing Danger Electric shock risk unexpected touching, meet needed for existing electric welding machine powers.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention Protection domain should be determined by the scope of protection defined in the claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169501.6A CN106944772A (en) | 2017-03-21 | 2017-03-21 | A kind of easily welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169501.6A CN106944772A (en) | 2017-03-21 | 2017-03-21 | A kind of easily welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106944772A true CN106944772A (en) | 2017-07-14 |
Family
ID=59473520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169501.6A CN106944772A (en) | 2017-03-21 | 2017-03-21 | A kind of easily welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106944772A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465026A (en) * | 2017-08-23 | 2017-12-12 | 宁波鄞州康圣机械科技有限公司 | A kind of power supply socket |
| CN108213510A (en) * | 2017-12-12 | 2018-06-29 | 覃洁梅 | A kind of safe drilling equipment |
| CN108247110A (en) * | 2017-12-12 | 2018-07-06 | 覃洁梅 | A kind of novel drilling device |
| CN108247109A (en) * | 2017-12-12 | 2018-07-06 | 覃洁梅 | A kind of modified drilling equipment |
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| US7641489B1 (en) * | 2009-02-11 | 2010-01-05 | Chih-Hua Hsu | Safety plug socket |
| CN104953390A (en) * | 2015-05-29 | 2015-09-30 | 汪涛 | Lockable power supply equipment interface device |
| CN104953370A (en) * | 2015-05-29 | 2015-09-30 | 汪涛 | Power supply equipment interface device capable of achieving electrical connection automatically |
| CN105006689A (en) * | 2015-05-29 | 2015-10-28 | 浙江工商职业技术学院 | Stably-operating power supply equipment interface device |
| CN105048184A (en) * | 2015-07-03 | 2015-11-11 | 方小刚 | Anti-electric shock safe socket |
| CN204793293U (en) * | 2015-07-03 | 2015-11-18 | 南安市德华电子设备厂 | Be difficult for charging plug that drops |
| CN205303848U (en) * | 2015-12-26 | 2016-06-08 | 池州信安电子科技有限公司 | Controllable formula socket of break -make electricity |
| CN205488700U (en) * | 2016-01-30 | 2016-08-17 | 浙江华燕电器有限公司 | Safety socket |
| CN205488672U (en) * | 2016-04-15 | 2016-08-17 | 长江师范学院 | Power source plug |
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2017
- 2017-03-21 CN CN201710169501.6A patent/CN106944772A/en not_active Application Discontinuation
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7641489B1 (en) * | 2009-02-11 | 2010-01-05 | Chih-Hua Hsu | Safety plug socket |
| CN104953390A (en) * | 2015-05-29 | 2015-09-30 | 汪涛 | Lockable power supply equipment interface device |
| CN104953370A (en) * | 2015-05-29 | 2015-09-30 | 汪涛 | Power supply equipment interface device capable of achieving electrical connection automatically |
| CN105006689A (en) * | 2015-05-29 | 2015-10-28 | 浙江工商职业技术学院 | Stably-operating power supply equipment interface device |
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| CN205303848U (en) * | 2015-12-26 | 2016-06-08 | 池州信安电子科技有限公司 | Controllable formula socket of break -make electricity |
| CN205488700U (en) * | 2016-01-30 | 2016-08-17 | 浙江华燕电器有限公司 | Safety socket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465026A (en) * | 2017-08-23 | 2017-12-12 | 宁波鄞州康圣机械科技有限公司 | A kind of power supply socket |
| CN107465026B (en) * | 2017-08-23 | 2018-05-15 | 新黎明科技股份有限公司 | A kind of power supply socket |
| CN108213510A (en) * | 2017-12-12 | 2018-06-29 | 覃洁梅 | A kind of safe drilling equipment |
| CN108247110A (en) * | 2017-12-12 | 2018-07-06 | 覃洁梅 | A kind of novel drilling device |
| CN108247109A (en) * | 2017-12-12 | 2018-07-06 | 覃洁梅 | A kind of modified drilling equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170714 |