CN110718861B - Equipment for adjusting height of central electrode of spark plug - Google Patents
Equipment for adjusting height of central electrode of spark plug Download PDFInfo
- Publication number
- CN110718861B CN110718861B CN201911061223.8A CN201911061223A CN110718861B CN 110718861 B CN110718861 B CN 110718861B CN 201911061223 A CN201911061223 A CN 201911061223A CN 110718861 B CN110718861 B CN 110718861B
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- block
- end wall
- clamping
- groove
- cavity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
- H01T21/06—Adjustment of spark gaps
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Spark Plugs (AREA)
Abstract
The invention discloses a device for adjusting the height of a central electrode of a spark plug, which comprises a knocking block, wherein a working cavity is arranged in the knocking block, a moving cavity is arranged in the lower end wall of the working cavity, a clamping cavity is arranged in the lower end wall of the moving cavity, a clamping mechanism is arranged in the clamping cavity, a lifting mechanism is arranged on the upper side of the clamping mechanism, the lifting mechanism comprises an iron block, a limiting groove is arranged on the right end wall of the working cavity, a knocking mechanism is arranged on the upper side of the lifting mechanism, the knocking mechanism comprises a motor fixed on the left end wall of a connecting rod, the device is simple to operate, after the spark plug is placed between the two clamping rods, the position of a moving block is manually adjusted, after the height of the central electrode of the spark plug needs to be adjusted is determined, the motor is started, a knocking hammer of the device can continuously knock the central motor to adjust the height, the working efficiency is improved.
Description
Technical Field
The invention relates to the field of spark plug repair, in particular to equipment for adjusting the height of a center electrode of a spark plug.
Background
The spark plug is commonly called as a fire nozzle, and has the functions of discharging pulse high-voltage electricity sent by a high-voltage wire, breaking down air between two electrodes of the spark plug and generating electric sparks to ignite mixed gas in a cylinder, and the main types of the spark plug comprise a standard type spark plug, a flange body protrusion type spark plug, an electrode type spark plug, a seat type spark plug, a polar type spark plug, a surface flashover type spark plug and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing equipment for adjusting the height of a center electrode of a spark plug, and solves the problems that manual adjustment is not accurate enough, replacement of a new spark plug is wasted and the like.
The invention is realized by the following technical scheme.
The equipment for adjusting the height of the central electrode of the spark plug comprises a knocking block, wherein a working cavity is arranged in the knocking block, a moving cavity is arranged in the lower end wall of the working cavity, a clamping cavity is arranged in the lower end wall of the moving cavity, a clamping mechanism is arranged in the clamping cavity, the clamping mechanism comprises two fixing frames fixed on the upper end wall of the moving cavity, a rotating cavity is arranged in the fixing frames, a clamping shaft is rotatably arranged on the lower end wall of the rotating cavity, a first belt wheel and a clamping rod are sequentially and fixedly arranged on the clamping shaft from top to bottom, a belt is wound on the first belt wheel, a connecting groove is formed in the lower end wall of the moving cavity in a penetrating manner from top to bottom, the clamping shaft is rotatably arranged in the connecting groove, a clamping torsion spring is arranged between the clamping shaft and the connecting groove;
The upper side of the clamping mechanism is provided with a lifting mechanism, the lifting mechanism comprises an iron block, the right end wall of the working cavity is provided with a limiting groove, the left end wall and the right end wall of the limiting groove are fixedly provided with magnets, the iron block can move up and down in the limiting groove, the front end face of the iron block is fixedly provided with a baffle plate, a moving block is fixedly arranged on the baffle plate, and the height of a central electrode of the spark plug can be adjusted by manually adjusting the up-down position of the moving block;
The elevating system upside is equipped with striking mechanism, striking mechanism is including fixing the motor at connecting rod left end wall, motor right-hand member face rotates and is equipped with the motor shaft, bilateral symmetry is equipped with two motor gears on the motor shaft, the fixed four dwangs that are equipped with on the motor shaft, the dwang sets up two in the middle of the motor gear, the working chamber left end wall rotates and is equipped with the cross axle, the fixed turning block that is equipped with of cross axle right-hand member face, the working chamber rear end wall is equipped with the sliding tray, the sliding tray can reciprocate and be equipped with the top movable block.
Preferably, clamping mechanism still including rotate the setting and be in the transmission shaft of rotation chamber lower extreme wall, use the left side fixed frame is the example, from up fixed second band pulley and the contact gear of being equipped with in proper order down on the transmission shaft, around having on the second band pulley the belt, it is equipped with the pivot to rotate the intracavity, the terminal surface is equipped with the forward shifting chute of opening before the pivot, but the back-and-forth movement of shifting chute is equipped with the contact lever, the fixed kicking block that is equipped with of terminal surface before the contact lever, it is equipped with the cross slot to rotate chamber right-hand member wall, but the cross slot horizontal inslot horizontal slip is equipped with hollow block, be equipped with the top groove in the hollow block, can reciprocate in the top groove and be equipped with the kicking block, it is equipped with the through mouth to link up.
Preferably, the lifting mechanism also comprises a vertical rod, the rear end wall of the working cavity is symmetrically provided with two connecting grooves and two vertical grooves, the vertical groove is arranged at the upper side of the connecting groove, the vertical rod can be arranged in the connecting groove in a vertically sliding manner, taking the vertical rod on the left side as an example, a vertical cavity with a forward opening is arranged on the front end surface of the vertical rod, a fixed rod is fixedly arranged in the vertical cavity, the fixed rod is rotatably provided with the rotating shaft, the vertical groove is internally provided with a vertical rack which can move up and down, a connecting spring is connected between the vertical rod and the vertical rack, a return spring is connected between the upper end surface of the vertical rack and the upper end wall of the vertical groove, the vertical rack is meshed with the motor gear, a connecting rod is fixedly arranged between the vertical rods, a transmission rod is fixedly arranged on the upper end face of the connecting rod, and a string is connected between the transmission rod and the lower end face of the jacking block.
Preferably, the knocking mechanism further comprises a fixed block fixed on the rear end wall of the working cavity, a driven groove with a left opening is formed in the left end face of the fixed block, a driven block can move up and down in the driven groove, a contact spring is connected between the upper end face of the driven block and the upper end wall of the driven groove, an object carrying block is arranged on the lower side of the driven block, a telescopic spring is arranged between the upper end face of the object carrying block and the lower end face of the driven block, a pin is fixedly arranged on the left end face of the object carrying block, a knocking rod is rotatably arranged on the pin, a torsional spring is arranged between the knocking rod and the pin, and a knocking hammer is fixedly arranged on the front side of the lower end face of the knocking.
Preferably, the return spring elastic force is greater than the connection spring elastic force.
The invention has the beneficial effects that: this device easy operation places the spark plug in the middle of two clamp bars after, through the position of manual adjustment movable block, confirms the high back that spark plug center electrode needs the adjustment, the starter motor, the center motor is strikeed just can be continuously to this device's the hammer of strikeing, adjusts the height of center electrode for the height of center electrode returns normal range, improves its work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic overall sectional front view of a device for adjusting the height of a center electrode of a spark plug according to the present invention;
3 FIG. 3 2 3 is 3 a 3 schematic 3 view 3 of 3 the 3 orientation 3 A 3- 3 A 3 in 3 FIG. 3 1 3; 3
FIG. 3 is a schematic view of the direction of B-B in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-3, the mechanical mechanism schematic diagram of the device for adjusting the height of the spark plug center electrode includes a knocking block 12, a working chamber 39 is arranged in the knocking block 12, a moving chamber 40 is arranged in the lower end wall of the working chamber 39, a clamping chamber 11 is arranged in the lower end wall of the moving chamber 40, a clamping mechanism 70 is arranged in the clamping chamber 11, the clamping mechanism 70 includes two fixing frames 65 fixed on the upper end wall of the moving chamber 40, a rotating chamber 17 is arranged in the fixing frames 65, a clamping shaft 41 is arranged on the lower end wall of the rotating chamber 17 in a rotating manner, a first pulley 15 and a clamping rod 10 are sequentially fixed on the clamping shaft 41 from top to bottom, a belt 16 is wound on the first pulley 15, a connecting groove 13 is arranged on the lower end wall of the moving chamber 40 in a vertically through manner, the clamping shaft 41 is arranged in the connecting groove 13 in a rotating manner, a clamping torsion spring 14 is, two of said clamping bars 10 are capable of clamping a spark plug;
The upper side of the clamping mechanism 70 is provided with a lifting mechanism 72, the lifting mechanism 72 comprises an iron block 36, the right end wall of the working cavity 39 is provided with a limiting groove 34, the left end wall and the right end wall of the limiting groove 34 are fixedly provided with magnets 35, the iron block 36 can move up and down in the limiting groove 34, the front end surface of the iron block 36 is fixedly provided with a baffle plate 38, the baffle plate 38 is fixedly provided with a moving block 37, and the height of the center electrode of the spark plug can be adjusted by manually adjusting the up-down position of the moving block 37;
Advantageously, the clamping mechanism 70 is described in detail, the clamping mechanism 70 further comprising a drive shaft 54 rotatably arranged in the lower end wall of the rotating chamber 17, taking the left fixing frame 65 as an example, the transmission shaft 54 is fixedly provided with a second belt wheel 55 and a contact gear 53 in sequence from bottom to top, the belt 16 is wound on the second belt wheel 55, a rotating shaft 44 is arranged in the rotating cavity 17, a moving groove 45 with a forward opening is arranged on the front end surface of the rotating shaft 44, a contact rod 46 is arranged in the moving groove 45 and can move back and forth, the front end face of the contact rod 46 is fixedly provided with a top block 47, the right end wall of the rotating cavity 17 is provided with a transverse groove 51, a hollow block 49 is arranged in the transverse groove 51 in a left-right sliding manner, a jacking groove 50 is arranged in the hollow block 49, the ejecting block 47 is arranged in the ejecting groove 50 and can move up and down, and a through hole 48 is formed in the upper end wall of the rotating cavity 17 in a vertically penetrating manner.
Beneficially, the lifting mechanism 72 is described in detail, the lifting mechanism 72 further includes a vertical rod 18, the rear end wall of the working chamber 39 is provided with two connecting slots 21 and two vertical slots 24 in bilateral symmetry, the vertical slot 24 is disposed on the upper side of the connecting slot 21, the vertical rod 18 is slidably disposed in the connecting slot 21 up and down, taking the left vertical rod 18 as an example, a vertical cavity 42 with a forward opening is disposed on the front end surface of the vertical rod 18, a fixing rod 43 is fixedly disposed in the vertical cavity 42, the rotating shaft 44 is rotatably disposed on the fixing rod 43, a vertical rack 33 is movably disposed in the vertical slot 24 up and down, a connecting spring 20 is connected between the vertical rod 18 and the vertical rack 33, a return spring 25 is connected between the upper end surface of the vertical rack 33 and the upper end wall of the vertical slot 24, the vertical rack 33 is engaged with the motor gear 32, a connecting rod 19 is fixedly disposed between the two vertical rods, a transmission rod 22 is fixedly arranged on the upper end face of the connecting rod 19, and a thin rope 28 is connected between the transmission rod 22 and the lower end face of the jacking block 30.
Beneficially, the knocking mechanism 71 is described in detail, the knocking mechanism 71 further comprises a fixed block 31 fixed on the rear end wall of the working chamber 39, a driven groove 69 with a leftward opening is formed in the left end face of the fixed block 31, a driven block 57 is arranged in the driven groove 69 and can move up and down, a contact spring 68 is connected between the upper end face of the driven block 57 and the upper end wall of the driven groove 69, a loading block 63 is arranged on the lower side of the driven block 57, a telescopic spring 59 is arranged between the upper end face of the loading block 63 and the lower end face of the driven block 57, a pin 62 is fixedly arranged on the left end face of the loading block 63, a knocking rod 64 is rotatably arranged on the pin 62, a torsion spring 61 is arranged between the knocking rod 64 and the pin 62, and a knocking hammer 60 is fixedly arranged on the front side of the lower end face of the knocking rod 64.
Advantageously, the return spring 25 has a greater elastic force than the connecting spring 20.
Sequence of mechanical actions of the whole device:
(1) The spark plug is manually placed between the two clamping rods 10, after the clamping rods 10 rotate for a certain angle around the clamping shaft 41, the clamping torsion spring 14 drives the clamping rods 10 to clamp the spark plug through the clamping shaft 41, the first belt wheel 15 rotates along with the clamping shaft 41, the first belt wheel 15 drives the second belt wheel 55 to rotate through friction of the belt 16, and the second belt wheel 55 drives the contact gear 53 to rotate through the transmission shaft 54.
(2) Taking the left fixed frame 65 as an example, the contact gear 53 is meshed to drive the horizontal rack 52 to move leftward, the hollow block 49 moves leftward along with the horizontal rack 52, the hollow block 49 drives the top block 47 to move leftward together, the top block 47 moves leftward to pull the contact rod 46 to move forward, and the position of the moving block 37 is manually adjusted to determine the height of the spark plug central electrode to be adjusted.
(3) The motor 23 is started, the motor 23 drives the motor shaft 66 to rotate, the motor gear 32 rotates along with the motor shaft 66, the motor gear 32 is meshed to drive the vertical rack 33 to move upwards, the vertical rack 33 drives the vertical rod 18 to move upwards through the connecting spring 20, after the vertical rod 18 moves upwards for a certain distance, the vertical rack is blocked by the baffle 38 and cannot move upwards continuously, the vertical rack 33 moves upwards to be disengaged from the motor gear 32, the vertical rack 33 always pulls the vertical rod 18 to be in contact with the baffle 38 through the connecting spring 20, the vertical rod 18 moves upwards, the contact rod 46 is driven to move upwards through the rotating shaft 44, the contact rod 46 drives the top block 47 to move upwards, the top block 47 moves upwards, and the height to be adjusted of the central electrode of the spark plug is determined.
(4) The vertical rod 18 drives the transmission rod 22 to move upwards through the connecting rod 19, the transmission rod 22 moves upwards, the thin rope 28 is loosened, the jacking block 30 moves upwards, the jacking block 30 pushes the rotating block 29 to rotate around the transverse shaft 26, the rear side of the rotating block 29 tilts upwards, the front side of the rotating block 29 presses downwards, the rotating block 29 pushes the driven block 57 to move downwards, the driven block 57 drives the carrying block 63 to move downwards through the telescopic spring 59, the pin 62 moves downwards along with the carrying block 63, and the pin 62 drives the knocking rod 64 to move downwards along with the pin 62.
(5) The rotating rod 27 rotates along with the motor shaft 66, the rotating rod 27 rotates to continuously drive the knocking rod 64 to rotate around the pin 62, the knocking rod 64 drives the knocking hammer 60 to move up and down, the knocking hammer 60 moves up and down to knock a central electrode of an ignition spark, and the ejector block 47 is arranged on the lower side of the central electrode of the spark plug and can control the downward knocking distance of the central electrode of the ignition spark.
(6) After knocking is finished, the motor 23 is turned off, the return spring 25 pushes the vertical rack 33 to move downwards, the vertical rod 18 moves downwards together, the top block 47 moves downwards together with the vertical rod 18, the top moving block 30 moves downwards, the contact spring 68 pulls the driven block 57 to move upwards, ignition flowers are taken away from the middle of the two clamping rods 10, and the two hollow blocks 49 are close to each other.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. An equipment for adjusting the height of a center electrode of a spark plug comprises a knocking block, and is characterized in that:
A working cavity is arranged in the knocking block, a moving cavity is arranged in the lower end wall of the working cavity, a clamping cavity is arranged in the lower end wall of the moving cavity, a clamping mechanism is arranged in the clamping cavity, the clamping mechanism comprises two fixing frames fixed on the upper end wall of the moving cavity, a rotating cavity is arranged in the fixing frames, a clamping shaft is arranged on the lower end wall of the rotating cavity in a rotating mode, a first belt wheel and a clamping rod are sequentially and fixedly arranged on the clamping shaft from top to bottom, a belt is wound on the first belt wheel, a connecting groove is formed in the lower end wall of the moving cavity in a vertically penetrating mode, the clamping shaft is rotationally arranged in the connecting groove, a clamping torsion spring is arranged between the clamping shaft and the connecting groove, and the;
The upper side of the clamping mechanism is provided with a lifting mechanism, the lifting mechanism comprises an iron block, the right end wall of the working cavity is provided with a limiting groove, the left end wall and the right end wall of the limiting groove are fixedly provided with magnets, the iron block can move up and down in the limiting groove, the front end face of the iron block is fixedly provided with a baffle plate, a moving block is fixedly arranged on the baffle plate, and the height of a central electrode of the spark plug can be adjusted by manually adjusting the up-down position of the moving block;
The elevating system upside is equipped with striking mechanism, striking mechanism is including fixing the motor at connecting rod left end wall, motor right-hand member face rotates and is equipped with the motor shaft, bilateral symmetry is equipped with two motor gears on the motor shaft, the fixed four dwangs that are equipped with on the motor shaft, the dwang sets up two in the middle of the motor gear, the working chamber left end wall rotates and is equipped with the cross axle, the fixed turning block that is equipped with of cross axle right-hand member face, the working chamber rear end wall is equipped with the sliding tray, the sliding tray can reciprocate and be equipped with the top movable block.
2. The apparatus for adjusting the height of a center electrode of a spark plug as claimed in claim 1, wherein: clamping mechanism is still including rotating the setting and is in the transmission shaft of end wall under the rotation chamber, use the left side fixed frame is the example, from up fixed second band pulley and the contact gear of being equipped with in proper order down on the transmission shaft, around having on the second band pulley the belt, it is equipped with the pivot to rotate the intracavity, the terminal surface is equipped with the prorsad shifting chute of opening before the pivot, but the back-and-forth movement is equipped with the contact lever in the shifting chute, the fixed kicking block that is equipped with of terminal surface before the contact lever, it is equipped with the cross slot to rotate chamber right-hand member wall, but the cross slot horizontal inslot horizontal slip is equipped with hollow block, be equipped with the top groove in the hollow block, can reciprocate in the top groove and be equipped with the kicking block, it is equipped with.
3. The apparatus for adjusting the height of a center electrode of a spark plug as claimed in claim 2, wherein: elevating system still includes the montant, the end wall bilateral symmetry is equipped with two spread grooves and two perpendicular grooves behind the working chamber, it sets up to erect the groove the spread groove upside, can slide from top to bottom in the spread groove be equipped with the montant, use the left side the montant is the example, the terminal surface is equipped with the forward perpendicular chamber of opening before the montant, perpendicular intracavity fixation is equipped with the dead lever, it is equipped with to rotate on the dead lever the pivot, it can reciprocate in the inslot to erect is equipped with perpendicular rack, the montant with be connected with coupling spring between perpendicular rack, erect rack up end with erect and be connected with reset spring between groove upper end wall, perpendicular rack with motor gear meshing, two fixed being equipped with the connecting rod between the montant, the fixed transfer line that is equipped with of connecting rod up end, the transfer line with be connected with the string under the ejecting block between.
4. The apparatus for adjusting the height of a center electrode of a spark plug as claimed in claim 3, wherein: the knocking mechanism further comprises a fixed block fixed on the rear end wall of the working cavity, a driven groove with a left opening is formed in the left end face of the fixed block, a driven block can move up and down in the driven groove, a contact spring is connected between the upper end face of the driven block and the upper end wall of the driven groove, an object carrying block is arranged on the lower side of the driven block, a telescopic spring is arranged between the upper end face of the object carrying block and the lower end face of the driven block, a pin is fixedly arranged on the left end face of the object carrying block, a knocking rod is rotatably arranged on the pin, a torsion spring is arranged between the knocking rod and the pin, and a knocking hammer is fixedly arranged on the front side of the lower end face of the.
5. The apparatus for adjusting the height of a center electrode of a spark plug as claimed in claim 4, wherein: the elastic force of the return spring is larger than that of the connecting spring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061223.8A CN110718861B (en) | 2019-11-01 | 2019-11-01 | Equipment for adjusting height of central electrode of spark plug |
| JP2019227170A JP2021072273A (en) | 2019-11-01 | 2019-12-17 | Equipment for adjusting center electrode attitude of spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061223.8A CN110718861B (en) | 2019-11-01 | 2019-11-01 | Equipment for adjusting height of central electrode of spark plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110718861A CN110718861A (en) | 2020-01-21 |
| CN110718861B true CN110718861B (en) | 2020-08-04 |
Family
ID=69213653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911061223.8A Active CN110718861B (en) | 2019-11-01 | 2019-11-01 | Equipment for adjusting height of central electrode of spark plug |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2021072273A (en) |
| CN (1) | CN110718861B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5042927Y2 (en) * | 1971-10-28 | 1975-12-08 | ||
| JPS5511276B2 (en) * | 1975-02-24 | 1980-03-24 | ||
| JPS52110234U (en) * | 1976-02-17 | 1977-08-22 | ||
| JPH0658820B2 (en) * | 1989-07-31 | 1994-08-03 | 日本電装株式会社 | Spark plug spark gap generator |
| JP2636814B2 (en) * | 1995-08-10 | 1997-07-30 | 株式会社デンソー | Spark gap creation method for spark plugs |
| JP4505993B2 (en) * | 2001-01-18 | 2010-07-21 | 株式会社デンソー | Manufacturing method of spark plug |
| JP4155141B2 (en) * | 2003-08-19 | 2008-09-24 | 株式会社デンソー | Spark plug manufacturing method and apparatus |
| JP4422759B2 (en) * | 2007-12-28 | 2010-02-24 | 日本特殊陶業株式会社 | Spark plug for internal combustion engine |
| KR20110081969A (en) * | 2008-10-06 | 2011-07-15 | 니혼도꾸슈도교 가부시키가이샤 | Method for manufacturing spark plug and device for manufacturing spark plug |
| DE102011013657A1 (en) * | 2011-03-11 | 2012-09-13 | Borgwarner Beru Systems Gmbh | Method for adjusting distance between electrodes of spark plug of stationary engine, involves setting outer diameter of the case smaller than target spacing between center electrode and ground electrodes |
| DE102015118935B4 (en) * | 2015-07-23 | 2017-04-20 | Federal-Mogul Ignition Gmbh | Method for producing a spark plug |
-
2019
- 2019-11-01 CN CN201911061223.8A patent/CN110718861B/en active Active
- 2019-12-17 JP JP2019227170A patent/JP2021072273A/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021072273A (en) | 2021-05-06 |
| CN110718861A (en) | 2020-01-21 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200709 Address after: No.27 Xinlong Road, Xinzha street, Zhonglou District, Changzhou City, Jiangsu Province Applicant after: CHANGZHOU BELESEN AUTOMOTIVE ELECTRIC Co.,Ltd. Address before: No.76, yangshantou village, Anwen street, Pan'an County, Jinhua City, Zhejiang Province Applicant before: Pan'an changsuo spark plug Co.,Ltd. |
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