CN203799695U - High-voltage ignition wire assembly for deep installing hole of gas engine - Google Patents
High-voltage ignition wire assembly for deep installing hole of gas engine Download PDFInfo
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- CN203799695U CN203799695U CN201420183150.6U CN201420183150U CN203799695U CN 203799695 U CN203799695 U CN 203799695U CN 201420183150 U CN201420183150 U CN 201420183150U CN 203799695 U CN203799695 U CN 203799695U
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- sheath
- tube connector
- joint
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Abstract
The utility model discloses a high-voltage ignition wire assembly for a deep installing hole of a gas engine. The high-voltage ignition wire assembly comprises a high voltage wire body, a spark plug joint and an ignition coil joint which are respectively connected with the two ends of the high-voltage wire body, and an ignition coil sheath wrapping the ignition coil joint. The high-voltage ignition wire assembly further comprises a spark plug joint sheath which comprises a bent sheath, a connecting pipe and a long sheath. One end of the connecting pipe is embedded in the bent sheath through interference fit, and the other end is embedded in the long sheath through the interference fit; and one end, which is connected with the spark plug joint, of the high-voltage wire body successively passes through the bent sheath, the connecting pipe and the long sheath, and the spark plug joint is disposed in the long sheath. According to the utility model, the spark plug joint sheath is of a long strip three-segment structure, i.e., the bend sheath, the connecting pipe and the long sheath, such that it is ensured that the high-voltage ignition wire assembly can be applied to a quite deep installing hole in the gas engine, besides, during processing, the processing can be separately carried out, the product quality is improved, and the processing cost is reduced.
Description
Technical field
The utility model relates to a kind of high-pressure ignition wire assembly, relates in particular to a kind of high-pressure ignition wire assembly for the dark installing hole of gas engine, belongs to high-voltage line technical field.
Background technology
Existing high-tension line assembly comprises high-voltage line body, be connected to plug joint and ignition coil adapter on described high-voltage line body two ends, be wrapped in the plug joint sheath of plug joint outside and be wrapped in the ignition coil sheath of ignition coil adapter outside.When installation, plug joint sheath one end entirety is inserted in the installing hole on engine, be connected with spark plug.When work, the high-voltage pulse that ignition coil produces is sent to spark plug by high-voltage line body, make central electrode and lateral electrode produce High Pressure Difference electric discharge, air between disruptive spark plug central electrode and lateral electrode, produces the mist that electric spark ignites in cylinder with this.
At present, in the engine of domestic combustion gas main engine plants exploitation, most spark plug mounting hole is darker, for being applicable to darker installing hole, plug joint sheath need to be made to strip.But, the plug joint sheath of existing high-pressure ignition wire assembly is integral type structure, one-time formed by die casting, if plug joint sheath is made to overall strip, its processing mold development difficulty is large, die length is long, and its concentricity can not be guaranteed, thereby can cause the endoporus of casting plug joint sheath out to produce eccentric phenomenon; In addition, die length is long, can make demoulding difficulty.Above-mentioned reason has caused poor quality and the processing cost of the plug joint sheath processing too high.
Granted publication number is CN202758629U, and Granted publication day is that the Chinese utility model patent on February 27th, 2013 discloses a kind of natural gas engine high-voltage line, it is characterized in that, comprises high-voltage line line body, the external insulating outer layer that is provided with of described high-voltage line line.
Can find out the integral structure that the external insulating barrier (being sheath) of this high-voltage line line is strip, but the technical scheme openly not addressing the above problem in this patent documentation from above-mentioned patent documentation.
In sum, how ensureing to ensure that its quality is good, it is easy to process and problem that processing cost is low in high-pressure ignition wire assembly can be applicable to the dark installing hole of gas engine, be to be badly in need of solving.
Utility model content
Technical problem to be solved in the utility model is for the defect existing in prior art, a kind of high-pressure ignition wire assembly for gas engine deep hole is provided, its can well be applicable to installing hole darker in gas engine and plug joint sheath wherein can not produce eccentric phenomena, quality good, process easy, processing cost is low.
For solving above technical problem, the technical scheme that the utility model adopts is: a kind of high-pressure ignition wire assembly for gas engine deep hole, comprise high-voltage line body, be connected to plug joint and ignition coil adapter on described high-voltage line body two ends, be wrapped in the ignition coil sheath of described ignition coil adapter outside, described high-pressure ignition wire assembly also comprises plug joint sheath, and it comprises curved sheath, tube connector and long sheath; One end of described tube connector embeds in described curved sheath by interference fit, and its other one end embeds in described long sheath by interference fit; Described high-voltage line body one end that is connected with plug joint is arranged in long sheath through described curved sheath, tube connector and long sheath and described plug joint successively.
Preferably, described curved sheath comprises curved sheath body, is arranged on the counterbore one on described curved sheath body one end and is arranged on the through hole in described curved sheath body one side, and one end of described counterbore one and one end of through hole are between right-angled intersection setting and its and are connected; Described tube connector comprise hollow form body, be arranged on described body two ends and the spacing ring body one on described outer surface of tube body and spacing ring body two, be arranged on the flange on described outer surface of tube body and between described spacing ring body one and spacing ring body two; On the medial surface of the counterbore one of described curved sheath, be provided with the annular groove one matching with described spacing ring body one, when one end of described tube connector embeds in described curved sheath by interference fit, match by one end of described tube connector and the counterbore of described curved sheath one, match by the annular groove one on the medial surface of the spacing ring body one of described tube connector and the counterbore one of described curved sheath simultaneously, form the axial limit structure between one end and the curved sheath of described tube connector.
Preferably, described spacing ring body one be by right-angled triangle around the central shaft of described tube connector around forming, and the hypotenuse of described right-angled triangle is towards having a down dip, and tilts towards the direction of described flange.
Preferably, described long sheath comprises long sheath body and is arranged on the counterbore two on described long sheath body; On the medial surface of described counterbore two, have the annular groove two mating with described spacing ring body two-phase, when other one end of described tube connector embeds in described long sheath by interference fit, match with the counterbore two on described long sheath body in other one end by described tube connector, the end face of long sheath body contacts with flange, matched and formed the axial limit structure between other one end and the long sheath of described tube connector simultaneously by the annular groove two on the spacing ring body two of described tube connector and counterbore two medial surfaces of described long sheath.
Preferably, described spacing ring body two be by right-angled triangle around the central shaft of described tube connector around forming, and the hypotenuse of described right-angled triangle is towards tilting, and tilts towards the direction of described flange.
Preferably, described plug joint comprises joint body, be arranged on the spark plug tube connector of described joint body one end, be arranged on the high-voltage line body connecting portion of the other one end of described joint body, on described joint body and near the position of high-voltage line body connecting portion, be provided with fitting flange, on described joint body and near the position of spark plug tube connector, have socket, be inserted into the inserted sheet in described socket; The middle cavity of described tube connector is set to counterbore three; In the time that described tube connector is passed in described high-voltage line body one end that is connected with plug joint, match by the fitting flange of described plug joint and the counterbore of tube connector three, match with the end face of described tube connector by described inserted sheet simultaneously and form the axial limit structure between plug joint and tube connector.
Preferably, described tube connector is hard tube, and its one end embeds in described curved sheath by interference fit and is positioned at 1/2 to 2/3 position of curved length.
The beneficial effects of the utility model are: the plug joint sheath in the utility model is strip three-stage structure formula, are respectively curved sheath, tube connector and long sheath.Like this, both ensured that it can be applicable to darker installing hole in gas engine, was adding man-hour in addition, can separate processing, there will not be processing mold long and cause plug joint sheath to produce eccentric phenomenon, improved product quality, reduced processing cost; In addition, in the utility model by plug joint axial limiting on one end of tube connector, in the time of plug spark plug, active force is all transferred on tube connector, high-voltage line body is directly not stressed, while having prevented that spark plug from frequently plugging from plug joint, high-voltage line body and plug joint come off; In the time that installing hole is long, tube connector adopts hard tube, and its one end is embedded on depth location certain in curved sheath, play a support to so whole plug joint sheath, while making, with hand, plug joint sheath is inserted to installing hole, feel is extremely strong, thereby can judge easily with spark plug whether contact and put in place.
Brief description of the drawings
Fig. 1 is the structural representation of facing of the utility model embodiment 1;
Fig. 2 is the plan structure schematic diagram of the curved sheath in the utility model embodiment 1;
Fig. 3 is the sectional structure schematic diagram along A-A line in Fig. 2;
Fig. 4 is the structural representation of facing of tube connector in the utility model embodiment 1;
Fig. 5 is the sectional structure schematic diagram along B-B line in Fig. 4;
Fig. 6 is the structural representation of facing of long sheath in the utility model embodiment 1;
Fig. 7 is the sectional structure schematic diagram along C-C line in Fig. 6;
Fig. 8 is the structural representation of facing of plug joint in the utility model embodiment 2;
Fig. 9 is the right TV structure schematic diagram of the plug joint in the utility model embodiment 2;
Figure 10 is the plan structure schematic diagram of the inserted sheet in the utility model embodiment 2;
Figure 11 is the longitudinal sectional structure schematic diagram in the part of the tube connector in the utility model embodiment 2;
Figure 12 is the structural representation of facing in the utility model embodiment 2;
Figure 13 is D portion structure for amplifying schematic diagram in Figure 12;
Figure 14 is the longitudinal sectional structure schematic diagram in the part in the utility model embodiment 3;
In figure: 1. high-voltage line body, 2. plug joint, 21. joint bodys, 22. spark plug tube connectors, 23. high-voltage line body connecting portions, 24. fitting flanges, 25. sockets, 26. inserted sheets, 261. handle portion, 262. inserted sheet portions, 263. spacing protuberances, 27. riveting sheets, 3. ignition coil adapter, 4. ignition coil sheath, 5. curved sheath, 51. curved sheath bodies, 52. counterbores one, 53. through holes, 54. annular grooves one, the step surface of 55. counterbores one, 6. tube connector, 61. bodys, 62. spacing ring bodies one, 63. spacing ring bodies two, 64. flanges, 65. counterbores three, the step surface of 66. counterbores three, 7. long sheath, 71. long sheath bodies, 72. counterbores two, 73. annular grooves two, the step surface of 74. counterbores two.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is done to further detailed elaboration.
Embodiment 1: as shown in Figure 1, a kind of high-pressure ignition wire assembly for gas engine deep hole, comprise high-voltage line body 1, be connected to plug joint 2 and ignition coil adapter 3 on described high-voltage line body 1 two ends, be wrapped in the ignition coil sheath 4 of described ignition coil adapter 3 outsides, described high-pressure ignition wire assembly also comprises plug joint sheath, and it comprises curved sheath 5, tube connector 6 and long sheath 7; One end of described tube connector 6 embeds in described curved sheath 5 by interference fit, and its other one end embeds in described long sheath 7 by interference fit; Described high-voltage line body 1 one end that is connected with plug joint 2 is arranged in long sheath 7 through described curved sheath 5, tube connector 6 and long sheath 7 and described plug joint 2 successively.Described curved sheath 5, tube connector 6 and long sheath 7 adopt silicon rubber to make.
As shown in Figures 2 to 5, described curved sheath 5 comprises curved sheath body 51, is arranged on the counterbore 1 on described curved sheath body 51 one end and is arranged on the through hole 53 in described curved sheath body 51 1 sides, and one end of one end of described counterbore 1 and through hole 53 is between right-angled intersection setting and its and is connected, described tube connector 6 comprise hollow form body 61, be arranged on described body 61 two ends and spacing ring body 1 and spacing ring body 2 63 on described body 61 outer surfaces, be arranged on the flange 64 on described outer surface of tube body and between described spacing ring body 1 and spacing ring body 2 63, on the medial surface of the counterbore 1 of described curved sheath, be provided with the annular groove 1 matching with described spacing ring body 1, when one end of described tube connector 6 embeds in described curved sheath 5 by interference fit, match by one end of described tube connector 6 and the counterbore of described curved sheath 1, the one end that is tube connector 6 withstands on the step surface 55 of counterbore one, match by the annular groove 1 on the medial surface of the spacing ring body 1 of described tube connector and the counterbore one of described curved sheath simultaneously, be that spacing ring body 1 snaps in annular groove 1, form the axial limit structure between one end and the curved sheath 5 of described tube connector 6.Body 61, spacing ring body 1, spacing ring body 2 63 and the flange 64 of the hollow form of described tube connector are integrative-structures.
Described spacing ring body 1 be by right-angled triangle around the central shaft of described tube connector 6 around forming, the longitudinal cross-section that is described spacing ring body 1 is right-angled triangle, and the hypotenuse of described right-angled triangle, towards having a down dip, tilts towards the direction of described flange 64.Described spacing ring body 1 is provided with 3 altogether, also can be set as other quantity, and described spacing ring body 1 is axially distributed on the outer surface of body 61 of described tube connector successively along tube connector 6.This position limiting structure easily assembles, and is difficult to throw off, and has both ensured that assembly technology was simple, has ensured that again two parts connect reliable.
As shown in Figure 6 and Figure 7, described long sheath 7 comprises long sheath body 71 and is arranged on the counterbore 2 72 on described long sheath body 71, on the medial surface of described counterbore 2 72, have the annular groove 2 73 matching with described spacing ring body 2 63, when other one end of described tube connector 6 embeds in described long sheath 7 by interference fit, match with the counterbore 2 72 on described long sheath body in other one end by described tube connector 6, the other one end that is tube connector 6 withstands on the step surface 74 of counterbore two, the end face of long sheath body 71 contacts with flange 64, the end face of long sheath body 71 withstands on the flange 64 of tube connector, match by the annular groove 2 73 on the spacing ring body 2 63 of described tube connector and counterbore two medial surfaces of described long sheath simultaneously, be that spacing ring body 2 63 snaps in annular groove 2 73, form the axial limit structure between other one end and the long sheath 7 of described tube connector 6.
Described spacing ring body 2 63 be by right-angled triangle around the central shaft of described tube connector 6 around forming, and the hypotenuse of described right-angled triangle is towards tilting, and tilts towards the direction of described flange 64.
As shown in Figure 1 to Figure 3, when high-pressure ignition wire general assembly, first one end of the high-voltage line body 1 with plug joint 2 is penetrated from the through hole 53 of curved sheath, from the counterbore 1 of curved sheath, pass, penetrated again one end of tube connector 6, again one end of tube connector 6 is embedded into by interference fit in the counterbore 1 of curved sheath, other one end of tube connector 6 is embedded into by interference fit in the counterbore 2 72 of long sheath, from one end of long sheath 7, hook again plug joint 2 with hook, utilize hook by plug joint 2 hooks in long sheath 7, make high-voltage line body 1 one end that is connected with plug joint 2 successively through described curved sheath 5, tube connector 6 and long sheath 7 and described plug joint 2 are arranged in long sheath 7, complete the assembling of high-tension line assembly.
Embodiment 2: as shown in Fig. 8 to Figure 10 and Figure 13, compare with embodiment 1, difference is: described plug joint 2 comprises joint body 21, be arranged on the spark plug tube connector 22 of described joint body 21 one end, be arranged on the high-voltage line body connecting portion 23 of described joint body 21 other one end, on described joint body 21 and near the position of high-voltage line body connecting portion 23, be provided with fitting flange 24, on described joint body 21 and near the position of spark plug tube connector 22, have socket 25, insert the inserted sheet 26 in described socket 25; On described high-voltage line body connecting portion 23, be provided with riveting sheet 27, by riveting sheet 27, got up in one end of high-voltage line body 1 and plug joint 2 riveted joints.Described inserted sheet 26 is T word shape, comprise handle portion 261 and inserted sheet portion 262, in inserted sheet portion 262, be also provided with spacing protuberance 263, when inserted sheet 26 inserts after the socket 25 on joint body, by spacing protuberance 263, inserted sheet 26 be stuck on the socket 25 of joint body.As shown in Figure 11 to Figure 13, the middle cavity of described tube connector 6 is set to counterbore 3 65; In the time that described tube connector 6 is passed in described high-voltage line body 1 one end that is connected with plug joint 2, match by the fitting flange 24 of described plug joint and the counterbore 3 65 of tube connector, the step surface 66 that is fitting flange 24 and counterbore three contacts, match with the end face of described tube connector 6 by described inserted sheet 26 simultaneously, be that described inserted sheet 26 contacts with the end face of described tube connector 6, form the axial limit structure between plug joint 2 and tube connector 6.Arrange like this, by plug joint 2 axial limitings on one end of tube connector 6, when plug is when spark plug, active force is all transferred on tube connector, high-voltage line body is directly not stressed, and while preventing that spark plug from frequently plugging from plug joint 2, high-voltage line body 1 and plug joint 2 come off.
As shown in Figure 12 and Figure 13, when high-pressure ignition wire general assembly, first one end of the high-voltage line body 1 with plug joint 2 is penetrated from the through hole 53 of curved sheath, from the counterbore 1 of curved sheath, pass, penetrated again one end of tube connector 6, again one end of tube connector 6 is embedded into by interference fit in the counterbore 1 of curved sheath, from other one end of tube connector 6, hook plug joint 2 with hook again, utilize hook that plug joint 2 hook from tube connector 6 is gone out, the step surface 66 of counterbore three in fitting flange 24 on plug joint and tube connector is contacted, again inserted sheet 26 is inserted in the socket 25 on plug joint 2, inserted sheet 26 is contacted with the end face of described tube connector 6, finally more other one end of tube connector 6 is embedded in described long sheath 7 by interference fit, complete the assembling of high-pressure ignition wire assembly.
Embodiment 3: as shown in figure 14, compared with embodiment 2, difference is: described tube connector 6 is hard tube, its one end embeds in described curved sheath 5 by interference fit and is positioned at 2/3 position of curved length, one end of tube connector 6 can also be embedded in to 1/2 position of 3/5 or curved length of described curved length herein.
When the installing hole on engine is crossed when dark, need to plug joint sheath be done longly accordingly, when plug joint sheath is inserted to installing hole, long plug joint sheath can produce deformation, feel while affecting plug joint sheath insertion installing hole, it is soft that whole feel can be felt, do not know whether spark plug inserts to put in place.For this reason, described tube connector is set to hard tube, its one end is embedded in described curved sheath 1/2 to 2/3 position, like this, when hand is grabbed on curved sheath, can grab on tube connector across curved sheath, at this moment have a kind of hard feel, in the time being inserted into installing hole, also have a kind of hard feel, thereby can judge accurately whether spark plug inserts puts in place.Described tube connector can adopt PBT to make, and also can adopt polytetrafluoroethylene etc. to make.
In sum, the plug joint sheath in the utility model is strip three-stage structure formula, is respectively curved sheath, tube connector and long sheath.Like this, both ensured that it can be applicable to darker installing hole in gas engine, was adding man-hour in addition, can separate processing, there will not be processing mold long and cause plug joint sheath to produce eccentric phenomenon, improved product quality, reduced processing cost; In addition, in the utility model by plug joint axial limiting on one end of tube connector, in the time of plug spark plug, active force is all transferred on tube connector, high-voltage line body is directly not stressed, while having prevented that spark plug from frequently plugging from plug joint, high-voltage line body and plug joint come off; In the time that installing hole is long, tube connector adopts hard tube, and its one end is embedded on depth location certain in curved sheath, play a support to so whole plug joint sheath, while making, with hand, plug joint sheath is inserted to installing hole, feel is extremely strong, thereby can judge easily with spark plug whether contact and put in place.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make a variety of changes or convert.Therefore, all technical schemes that are equal to also should belong to protection range of the present utility model.Protection range of the present utility model should be limited by each claim.
Claims (7)
1. the high-pressure ignition wire assembly for gas engine deep hole, comprise high-voltage line body, be connected to plug joint and ignition coil adapter on described high-voltage line body two ends, be wrapped in the ignition coil sheath of described ignition coil adapter outside, it is characterized in that: described high-pressure ignition wire assembly also comprises plug joint sheath, it comprises curved sheath, tube connector and long sheath; One end of described tube connector embeds in described curved sheath by interference fit, and its other one end embeds in described long sheath by interference fit; Described high-voltage line body one end that is connected with plug joint is arranged in long sheath through described curved sheath, tube connector and long sheath and described plug joint successively.
2. high-pressure ignition wire assembly according to claim 1, it is characterized in that: described curved sheath comprises curved sheath body, is arranged on the counterbore one on described curved sheath body one end and is arranged on the through hole in described curved sheath body one side, one end of described counterbore one and one end of through hole are between right-angled intersection setting and its and are connected; Described tube connector comprise hollow form body, be arranged on described body two ends and the spacing ring body one on described outer surface of tube body and spacing ring body two, be arranged on the flange on described outer surface of tube body and between described spacing ring body one and spacing ring body two; On the medial surface of the counterbore one of described curved sheath, be provided with the annular groove one matching with described spacing ring body one, when one end of described tube connector embeds in described curved sheath by interference fit, match by one end of described tube connector and the counterbore of described curved sheath one, match by the annular groove one on the medial surface of the spacing ring body one of described tube connector and the counterbore one of described curved sheath simultaneously, form the axial limit structure between one end and the curved sheath of described tube connector.
3. high-pressure ignition wire assembly according to claim 2, it is characterized in that: described spacing ring body one be by right-angled triangle around the central shaft of described tube connector around forming, and the hypotenuse of described right-angled triangle, towards having a down dip, tilts towards the direction of described flange.
4. high-pressure ignition wire assembly according to claim 2, is characterized in that: described long sheath comprises long sheath body and is arranged on the counterbore two on described long sheath body; On the medial surface of described counterbore two, have the annular groove two mating with described spacing ring body two-phase, when other one end of described tube connector embeds in described long sheath by interference fit, match with the counterbore two on described long sheath body in other one end by described tube connector, the end face of long sheath body contacts with flange, matched and formed the axial limit structure between other one end and the long sheath of described tube connector simultaneously by the annular groove two on the spacing ring body two of described tube connector and counterbore two medial surfaces of described long sheath.
5. high-pressure ignition wire assembly according to claim 4, it is characterized in that: described spacing ring body two be by right-angled triangle around the central shaft of described tube connector around forming, and the hypotenuse of described right-angled triangle, towards tilting, tilts towards the direction of described flange.
6. high-pressure ignition wire assembly according to claim 4, it is characterized in that: described plug joint comprises joint body, be arranged on the spark plug tube connector of described joint body one end, be arranged on the high-voltage line body connecting portion of the other one end of described joint body, on described joint body and near the position of high-voltage line body connecting portion, be provided with fitting flange, on described joint body and near the position of spark plug tube connector, have socket, be inserted into the inserted sheet in described socket; The middle cavity of described tube connector is set to counterbore three; In the time that described tube connector is passed in described high-voltage line body one end that is connected with plug joint, match by the fitting flange of described plug joint and the counterbore of tube connector three, match with the end face of described tube connector by described inserted sheet simultaneously and form the axial limit structure between plug joint and tube connector.
7. according to the high-pressure ignition wire assembly described in any one claim in claim 1 to 6, it is characterized in that: described tube connector is hard tube, its one end embeds in described curved sheath by interference fit and is positioned at 1/2 to 2/3 position of curved length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183150.6U CN203799695U (en) | 2014-04-16 | 2014-04-16 | High-voltage ignition wire assembly for deep installing hole of gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183150.6U CN203799695U (en) | 2014-04-16 | 2014-04-16 | High-voltage ignition wire assembly for deep installing hole of gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799695U true CN203799695U (en) | 2014-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420183150.6U Expired - Lifetime CN203799695U (en) | 2014-04-16 | 2014-04-16 | High-voltage ignition wire assembly for deep installing hole of gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971835A (en) * | 2016-06-06 | 2017-07-21 | 温州汇众汽车电器有限公司 | Fasten ignition coil |
-
2014
- 2014-04-16 CN CN201420183150.6U patent/CN203799695U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971835A (en) * | 2016-06-06 | 2017-07-21 | 温州汇众汽车电器有限公司 | Fasten ignition coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412001, Hongqi Road 68, lotus pond District, Hunan, Zhuzhou Patentee after: Weichai torch Technology Co.,Ltd. Address before: 412001, Hongqi Road 68, lotus pond District, Hunan, Zhuzhou Patentee before: ZHUZHOU TORCH SPARKPLUG Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |