CN2658981Y - Plug cap and its structure - Google Patents
Plug cap and its structure Download PDFInfo
- Publication number
- CN2658981Y CN2658981Y CN 200320100857 CN200320100857U CN2658981Y CN 2658981 Y CN2658981 Y CN 2658981Y CN 200320100857 CN200320100857 CN 200320100857 CN 200320100857 U CN200320100857 U CN 200320100857U CN 2658981 Y CN2658981 Y CN 2658981Y
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- Prior art keywords
- pressure
- screw thread
- hole
- terminals
- connecting hole
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- Expired - Lifetime
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Abstract
The utility model provides a plug cap at the bottom of a sparking plug of a gasoline engine and the structure of the plug cap, comprising a resin body on which a plug-connecting hole and a cable-connecting hole are arranged, a thread connecting terminal, the end of the cable-connecting hole and a thread head in the plug-connecting hole. A load-bearing hole is arranged in the cable-connecting hole at one end, with a diameter a little less than that of the cable-connecting hole, and concentric with the cable-connecting hole, providing electrical connection between the plug-connecting hole and the cable-connecting hole. After casting the body and before the resin of the body has solidified, pressure shall be loaded on the thread head of the thread connecting terminal positioned in the load-bearing hole. By the plug cap, neither insertion nor connecting cable is needed to increase output and reduce cost.
Description
Technical field
The utility model relates to a kind of cock cap, particularly relates to the cock cap that a kind of and petrolic spark plug terminals are connected.
Background technology
As shown in figure 10, a cock cap 400 comprises the main body 401 of a synthetic resin (as phenolic resin), be useful on the tubular portion 405 that connects spark plug (not shown) bottom on the main body 401, also has a lead, the tubular portion 415 that is connecting the position that is in bifurcated on cock cap is on tubular portion 405 tops.A lead links to each other with screw thread terminals 421 (being called as the screw thread terminals hereinafter), lead is positioned at hole 413 (hereinafter being called wire connection hole) with the form of thread head, wire connection hole 413 is positioned at tubular portion 415, thread head 422 is embedded in the main body 401, shows that an end of lead is positioned at wire connection hole 413.Thread head 422 be connected lead 451 and link to each other.Connect lead 451 1 ends and be embedded in the main body 401, the other end is exposed in the hole 403 (hereinafter being called the plug connecting hole) that is connected with tubular portion 405.In this cock cap 400, in the plug connecting hole 403 that lead spring 441 and supporter 442 insert on the tubular portion 405.When connecting the end compressing lead spring 441 of lead 451, filling in attachment 445 has a circumference cylindrical, and corresponding linear parts is screwed onto on plug connecting hole 403, like this, can set up electrical connection between plug attachment 445 and screw thread terminals 421.Lead that an advantage of cock cap 400 is high-tensions or cable can make screw thread terminals 421 be spirally connected and tighten, prevent the lead landing of high-tension.
Summary of the invention
Cheng Ran, the main body 401 on the cock cap 400 has some problems.That is to say, when cast main body part 400, can run into a dimeric insert, as screw thread terminals 421 be connected lead 451.For cast main body part 401 better, need with leakproofing material thread head 422 be connected lead 451 and link together, or prepare one by thread head 422 insert dimerous with being connected lead 451.So, the difficult point of cock cap 400 be need thread head 422 be connected lead 451 and form an insert.
And then, when the casting of main body 401, a necessary step-manufacturing is arranged the machinery (the rope bolt that a hole is arranged) in the insert patchhole, also have a step-this machinery is put in the mould.So main body 401 needs more complicated casting step.
Further, with insert cast main body 401, must use a vertical injection molded machinery, make mould be divided into vertical component, be in order to make insert firm more, stable in mould.On the other hand, the each output of vertical casting machinery is less than horizontal casting machinery.For this reason, also to solve high yield and problem cheaply.
The objective of the invention is to provide a kind of cock cap, avoids the problems referred to above, for example, reaches high yield, and does not need an insert, does not also need to connect lead.
The invention provides another cock cap and its structure, can avoid the problems referred to above.
Achieve the above object, showed a kind of cock cap here, comprise main body and plug connecting hole of a resin, a wire connection hole, the screw thread terminals are positioned at wire connection hole, and thread head is exposed in the plug connecting hole.On main body, there is a pressure-bearing hole bottom of the inside of wire connection hole, and this hole and wire connection hole are concentric, and diameter is connecting wire connection hole and plug connecting hole less than wire connection hole.Behind cast main body, before the hardening of resin of main body, thread head is pressed in the pressure-bearing hole.
Structure of the present utility model is provided here, and this structure comprises with lower member: the main body of a resin and a plug connecting hole, and a wire connection hole, the screw thread terminals are positioned at wire connection hole, and thread head is exposed in the plug connecting hole.On main body, there is a pressure-bearing hole bottom of the inside of wire connection hole, and this hole and wire connection hole are concentric, and diameter is connecting wire connection hole and plug connecting hole less than wire connection hole.Behind cast main body, before the hardening of resin of main body, thread head is pressed in the pressure-bearing hole, and when the hardening of resin of main body, thread head embeds in the main body securely.
Whereby, described cock cap structure does not need an insert, does not need to connect lead yet and just can reach high yield and purpose cheaply.
Brief description of the drawings, wherein:
Fig. 1: the sectional side elevation of the utility model cock cap;
Fig. 2: similar to Fig. 1, describe the main body of cock cap and the assembly relation of screw thread terminals in detail;
Fig. 3: the amplification front elevation of screw thread terminals among Fig. 1;
Fig. 4: the enlarged drawing of the part of 4-4 line among Fig. 3;
Fig. 5: similar to Fig. 1, further describe the cock cap of holder;
Fig. 6: the mould of main body structure in the schematic diagram 1;
Fig. 7: similar to Fig. 3, the change of screw thread terminals is described;
Fig. 8: the enlarged drawing of 8-8 line part among Fig. 7;
Fig. 9: similar to Fig. 3, the change of screw thread terminals is described;
Figure 10: the longitudinal section that is the cock cap of prior art.
Embodiment:
To Fig. 5, summarized cock cap 100 referring to Fig. 1.Cock cap 100 comprises the main body 101 of thermosetting resin, main body 101 comprises tubular portion 105, they are interior porose 103 years old, in the hole, be equipped with and the terminal plug attachment 145 that links to each other of spark plug (not shown), with a lead that is connected with tubular portion 115, wire connection hole 113 is arranged on 115, and the screw thread terminals (only being called as the screw thread terminals hereinafter) 121 that link to each other with lead are equipped with in the inside, and screw thread terminals 121 are used for connecting the lead or the cable of high-tension.
On the other hand, the tubular portion 115 that links to each other with lead is cylindricals of parts, and the top external diameter of tubular portion 105 is consistent with the diameter of bifurcated tubular portion 115.Same, the axis G2 of tubular portion 115 and the axis G1 of tubular portion 105 are crossing, for example, when angle θ is 120 when spending, can observe axis G1 and G2 and be positioned at same plane.The tubular portion 115 that links to each other with lead has open end 114, and tubular portion 115 extends internally from 114 in the hole 113 that links to each other with lead.Wire connection hole 113 is concentric with G2, and parts within it.There is the hole 113 that links to each other with lead main body 100 inside, and relative with open end 114 is pressure-bearing hole 116, and pressure-bearing hole 116 is concentric with wire connection hole 113, and diameter is littler than wire connection hole 113, and pressure-bearing hole 116 is connecting wire connection hole 113 and plug connecting hole 103.
The part in pressure-bearing hole 116 is surrounded into by the tube wall 108a of the tubular portion 115 of wire connection hole 113.The bottom of tubular portion 105 cylindricals is made up of the edge 106a of outside radial arrangement.On the other hand, the top of tubular portion 105 cylindricals is made up of the shaft-like handle to axis direction.
On the other hand, the threaded portion 123 that is positioned at wire connection hole 113 inside is arranged on the screw thread terminals 121, screw thread terminals 121 are used to connect the lead or the cable (not shown) of high-tension, and are relative with thread head 122 on centripetal direction.In this structure, the thread head 122 of screw thread terminals 121 is central portions, with concentric on the extending direction of axis G3.A pressure-containing member 126 (as shown in Figure 2) is arranged on the thread head 122, and its position is close to establishes parts 125 in 123, one columns of threaded portion and is enclosed within the pressure-containing member 126.The diameter of pressure-containing member 126 is bigger than establishing parts 125 in the column, can be enclosed within the pressure-bearing hole 116.The cock cap 100 of screw thread terminals 121 is the thread head 122 of screw thread terminals 121 to be installed in pressure-bearing hole 116 by interference fit (shrink fit), open end 114 by tubular portion 115 (as shown in Figure 2), rapidly main body 101 is expelled in the mould, unmold again, before the hardening of resin of main body 101 (just under it still is soft state, control its shape easily), during this period, preferable is the part of taking pressure-bearing in 60 seconds away, if main part 101 is phenolic resins, main body 101 is cooled off in air.One step of back is interference fit screw thread terminals 121, establish in the column of thread head 122 parts 125 protrude into fill in the hole 103 that is connected in, lead spring 141 (as shown in Figure 5) inserts in the hole 103 of plug connection, compresses and establishes parts 125 in the column.These following can descriptions.
In the utility model, screw thread terminals 121 are that brass is done, and the outer dia of pressure-containing member 126 is bigger than the diameter in pressure-bearing hole before inserting.Pressure-containing member 126 on the thread head 122 comprises a radial edges 129, small diameter unit 127, large diameter part 128, and it is consistent to establish parts 125 in the order of forming them and threaded portion 123 and the column.Radial edges 129 and axis G3 are concentric, and radial edges 129 plays the effect of obturator when screw thread terminals 121 pressure-bearings.Establishing most ribs away from the major diameter part 128 that is arranged on the threaded portion at outer peripheral face in regular turn, be the garland that axially pulls into, promptly is to extend along axis G3 line.Meanwhile, the equal diameters of the external diameter of the small diameter unit 127 of thread head 122 part of indent almost and between rib.More, before thread cap 121 pressure-bearings, establish the internal diameter of the external diameter of parts 125 in the column on the thread head 122 less than pressure-bearing hole 116.
In cock cap 100, before resin body 101 was fixed, 121 hot pressing of screw thread terminals were affixed on the main body 101, and the inwall taper in pressure-bearing hole 116 inwardly shrinks and formation main body 101.Therefore, the periphery of the inwall in pressure-bearing hole 116 and pressure-containing member 126 tightly connect together (shown in Fig. 3,4).That is to say, caused resin to enter on the outer wall of small diameter unit 127 on the outer wall of large diameter part 128 and the thread head 122.Meanwhile, in the present invention, radial edges 129 provides obturator for thread head 122 when pressure-bearing, can also accurately regulate the position of screw thread terminals 121.
As shown in Figure 5, referring to cock cap 100, above-mentioned spring 141 and supporter 142 are embedded in the hole 103 by following open end.In the threaded portion 104 in hole 103, the plug attachment 145 of threaded portion 104 and lower hollow, column is screwed in together, and the outer surface of the plug attachment 145 of column has threaded portion 144.Like this, spring 141 is compressed, and the interior of it is abutted together with the screw thread terminals 121 that are projected in the hole 103 to the axle center, and these are for providing electrical connection between screw thread terminals 121 and the plug attachment 145 for this reason.
The influence of cock cap 100 will be described here.Since cock cap 100 not need by the screw thread terminals be connected the insert that lead is formed, main body 101 can be at an easy rate with horizontal injection machinery manufacturing.With doubling output with a kind of horizontal injection machine-building main body 101.Before resin body 101 is solidified and after resin body 101 castings, the annex of screw thread terminals 121 can obtain with hot pressing at once at an easy rate.Like this, the cost of making the main body 101 that is provided with screw thread terminals 121 can reduce.
More, in cock cap 100, the screw thread terminals 121 on the main body 101 combine, and enter outer round surface (shown in Fig. 3,4) on the large-diameter member 128 on the thread head 122 so form the resin of main body 101.So, at the lead of high-tension or cable on the threaded portion 123 of screw thread terminals 121, screw thread terminals 121 are bound to prevent that lead or cable from coming off or become flexible that this is because resin enters the cylindrical than large diameter part 128, and can stop screw thread terminals 121 to rotate with respect to main body.This axially extended edge enters pressure-bearing hole 116 inner surfaces, so that the pressure-containing member 126 of screw thread terminals 121 can be pressed in the pressure-bearing hole 116 smoothly.Meanwhile, the internal diameter in pressure-bearing hole 116 (for example before the hardening of resin) before the pressure-bearing almost with large diameter part 128 on the end of rib directly equate, therefore be suitable for interference fit.
Further, cock cap 100 has following influence.That is to say that when the thread head 122 of screw thread terminals 121 entered pressure-bearing hole 116, pressure-bearing hole 116 was subjected to outside pressure.Because like this, if the pressure-bearing hole is among the figure 116 ' position, double dot dash line in Fig. 2 shows, this position is in tubular portion 115, and stepped tube wall 108a extension along tubular portion 105, for the reaction of the pressure-bearing on the thread head 122 is made resin shrinkage, the tubular portion 115 that causes lead to connect deforms.Therefore, can occur during pressure-bearing disturbing, perhaps, cock cap 100 goes wrong: can the crack during main part 101 pressure-bearings or break, yet, when the thread head 122 pressure-bearing positions of the inwall in pressure-bearing hole 116 are determined, cause to be extended to tubular portion 105 upper tube wall 108a and plug connecting hole 103, cock cap 100 can prevent efficiently that this problem from taking place like this.Especially because most large diameter part 128 is in the pressure-bearing hole 116, in tubular portion 115 outer wall in pressure-bearing hole 116 by tube wall 108a round, can prevent efficiently that like this this problem from taking place.
Meanwhile, the internal structure 125 on the thread head 122 of line terminals 121 is given prominence in plug connecting hole 103, and lead spring 141 is on certain position in vertical pressure-bearing with after being electrically connected the step of establishing.As shown in phantom in Figure 3, the shape of the internal structure 125 on the thread head 122 is tapered.
In the injection molded of the main body 101 of cock cap 100, do not use an insert, main body 101 can be with horizontal injection machinery manufacturing.As shown in Figure 6, the most handy mould that is divided into 2 parts comprises a standing part 191 and a movable part 192 that is on the same plane (PL).Meanwhile, when casting, need core 195 to adapt to and plug connecting hole 103 (for example, core can be used to make being spirally connected of threaded portion 104 and plug attachment 145).Because like this, main part 101 adapts with core 195 when mould takes off.So during screw thread terminals 121 pressure-bearings, core 195 screws down from main body 101, in plug connecting hole 103, reserve at least one space, form the inside of plug connecting hole 103, the internal structure 125 on the thread head 122 can be inserted in the hole.
Shown in Fig. 7,8, be improved screw thread terminals 221, improved screw thread terminals 221 cardinal principles are identical with 121, and the part that is positioned at pressure-bearing hole 116 except thread head 222 is different.So identical part with identical numerical reference, repeats no more in this figure.
In improved screw thread terminals 221, the pressure-containing member 226 on the thread head 222 also is a column, and diameter is bigger than internal structure 125.Pressure-containing member 226 is very near apart from screw thread 123, and the recess of pair of parallel is arranged on the pressure-containing member 226, can make the equidistant with axle center G3 of parallel plane 227.Meanwhile, screw thread terminals 121 are described in correlation diagram 1-5, and thread head 122 has a flange 129 near screw thread 123, and the screw thread terminals 121 after the improvement do not have such flange.More, the outer fenestra of the thread head 222 of screw thread terminals 221 does not have axial rib (as embossing), and thread head 222 caves at planar section 227 places.So, pressure-bearing part 226 pressure-bearing in pressure-bearing hole 116 before hardening of resin; On the position of main body 101 (as shown in Figure 1), (as shown in Figure 1) makes the inwall in pressure-bearing hole 116 closely contact with planar section 227 on the main body 101 because hardening of resin shrinks.Like this, can prevent that screw thread terminals 221 from coming off from main body 101.
Can know that from the textural of screw thread terminals 221 method that prevents to whirlpool down or fall down is not to realize by the axially outwards outstanding rib (as embossing) of thread head 122 outer peripheral faces.For example, the thread head of screw thread terminals is square or polygon.More, be axial rib, or the annular knurl of cylindrical or netted decorative pattern.
As shown in Figure 9, the screw thread terminals 321 after the present invention improves, the characteristics of associated components or part are described in Fig. 1-6.In improvement, thread head 322 is columned substantially, and roughly the same diameter is arranged.Thread head 322 has axial mid portion 328, and diameter is than the slightly larger in diameter of reserve part 327.Outer surface at mid portion 328 has rib.The end of reserve part 327 is tapered to the axle center.Shown in Fig. 9, these screw thread terminals 321 are partly pressed by the pressure-bearing on the thread head 322 with main body 101 and are connected, for example, and in pressure-bearing hole 116, reserve part on mid portion 328 and the screw thread 123 links together, so also can play effect similar among Fig. 1-6.
The whole contents of Japanese patent application book P2002-307558 (submitting a day 2002.10.22 to) relates to this patent.
The utility model not only is confined to above-mentioned description, can produce multiple changes and improvements according to the description of this paper.For example, the inner end of the thread head of screw thread terminals does not need often to give prominence in the plug connecting hole, but is exposed to sometimes in the plug connecting hole, as long as can set up electrical connection between screw thread terminals and spring.More, in describing as mentioned, become 120 degree angles between plug connecting hole and the wire connection hole, as long as but reach equal effect and also can become other angle.More, main body is not necessarily only made by thermosetting resin, and the screw thread terminals not necessarily have only brass to make, and also can be made by other metal.
Claims (17)
1. cock cap and its structure is characterized in that it comprises:
The main body of a resin, on plug connecting hole and wire connection hole are arranged;
One has screw thread terminals and the interior thread head of plug connecting hole that is installed in the threaded portion in the wire connection hole;
In main body, an end of wire connection hole inside has a pressure-bearing hole and wire connection hole concentric, and diameter is less than wire connection hole, and the pressure-bearing hole is the hole that electrical connection is provided between plug connecting hole and the wire connection hole;
Behind the main body casting, before matrix resin solidified, the thread head of screw thread terminals was pressed and is put in the pressure-bearing hole.
2. the structure of a kind of cock cap according to claim 1 and it, the thread head that it is characterized in that the screw thread terminals has the screw thread of preventing terminals and whirlpools down or axially movable shape from main body.
3. a kind of cock cap according to claim 1 and its structure, the thread head that it is characterized in that the screw thread terminals comprises a pressure-containing member that adapts with the pressure-bearing hole, pressure-containing member comprises major diameter part and small diameter portion, away from being arranged on the threaded portion, the major diameter cylindrical has axially extended rib in regular turn.
4. the structure of a kind of cock cap according to claim 3 and it is characterized in that the thread head of screw thread terminals further comprises an inner end, and diameter is less than the pressure-bearing part, interior in the pressure-bearing part to extension, and inside one end of thread head is exposed to the plug connecting hole.
5. a kind of cock cap according to claim 4 and its structure is characterized in that the thread head of screw thread terminals is taper to the inner.
6. the structure of a kind of cock cap according to claim 4 and it, inside one distal process of thread head that it is characterized in that the screw thread terminals is in the plug connecting hole.
7. the structure of a kind of cock cap according to claim 4 and it is characterized in that the pressure-bearing part of the thread head of screw thread terminals comprising a flange that diameter is bigger than the small diameter unit that is positioned at threaded portion.
8. a kind of cock cap according to claim 2 and its structure, the thread head that it is characterized in that the screw thread terminals comprises a pressure-containing member that adapts with the pressure-bearing hole, and pressure-containing member is roughly column, near the threaded portion, the recess that pair of parallel is arranged on it is the pair of parallel surface.
9. a kind of cock cap according to claim 8 and its structure, the thread head that it is characterized in that the screw thread terminals comprises an inner end, diameter is littler than the diameter of pressure-bearing part, on the pressure-bearing part in to extension, inside one end of the thread head of screw thread terminals is exposed to the plug connecting hole.
10. a kind of cock cap according to claim 9 and its structure is characterized in that inside one distal process of the thread head of screw thread terminals goes out into plug connecting hole.
11. a kind of cock cap according to claim 2 and its structure, the thread head that it is characterized in that the screw thread terminals is cylindric, almost similar diameter is arranged, the thread head slightly larger in diameter of axial mid portion is in the diameter of reserve part, the mid portion outer round surface has some axially extended ribs, and inside one end of the thread head of screw thread terminals is exposed to the plug connecting hole.
12. a kind of cock cap according to claim 11 and its structure is characterized in that reserve part comprises a tapered the inner.
13. a kind of cock cap according to claim 5 and its structure is characterized in that more comprising:
One is screwed onto the plug attachment on the plug connecting hole;
A supporter is screwed onto the plug attachment and is on the inner end of plug connecting hole;
A lead spring that is positioned at plug connecting hole inside between one end of the inside of the inside of screw thread terminals one end and supporter, is set up electrical connection between supporter and screw thread terminals.
14. a kind of cock cap according to claim 1 and its structure is characterized in that in the axis of plug connecting hole and the axes intersect of wire connection hole, the pressure-bearing hole is by the annular wall coiled of the main part that surrounds into the plug connecting hole.
15. a kind of cock cap according to claim 1 and its structure, it is characterized in that making and have the plug connecting hole, the cock cap of the resin body of wire connection hole has screw thread terminals that are threaded head and screw thread tail, the casting plug connects terminal, lead connects terminal, lead connects the pressure-bearing hole of terminus inner one end, and these are connected together, after having cast main body, before matrix resin solidifies, the thread head pressure-bearing of screw thread terminals also is in the pressure-bearing hole, and run-out(of thread) is in the wire connection hole, and thread head is exposed in the plug connecting hole, before hardening of resin shrank, the thread head of screw thread terminals closely was fixed in the resin of main body.
16. a kind of cock cap according to claim 15 and its structure, it is characterized in that in the thread head of screw thread terminals, pressure-containing member and pressure-bearing hole adapt, pressure-containing member comprises major diameter part and small diameter portion, the two combines, the rib that has plurality of outward to extend on the outer ring surface on the major diameter part.
17. a kind of cock cap according to claim 15 and its structure, its feature intersects after the axis of plug connecting hole and wire connection hole prolongs, and comprises pressure-bearing hole and plug connecting hole in the cast main body in the ring-type cylindrical.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP307558/2002 | 2002-10-22 | ||
| JP2002307558A JP4130350B2 (en) | 2002-10-22 | 2002-10-22 | Plug cap and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2658981Y true CN2658981Y (en) | 2004-11-24 |
Family
ID=32453983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320100857 Expired - Lifetime CN2658981Y (en) | 2002-10-22 | 2003-10-20 | Plug cap and its structure |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4130350B2 (en) |
| CN (1) | CN2658981Y (en) |
| BR (1) | BR0304612A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992460B (en) * | 2005-12-27 | 2010-12-08 | 本田技研工业株式会社 | Spark plug cap attachment structure |
| CN104205534A (en) * | 2012-03-12 | 2014-12-10 | 日本特殊陶业株式会社 | Attachment for plug |
| CN104226849A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Processing method of spark plug cap ceramic resistor |
| CN104895889A (en) * | 2015-05-22 | 2015-09-09 | 重庆从仁机电有限公司 | Press-in type tapping screw |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010198766A (en) * | 2009-02-23 | 2010-09-09 | Ngk Spark Plug Co Ltd | Plug cap, and method of manufacturing the same |
| JP5054798B2 (en) * | 2010-04-20 | 2012-10-24 | 日本特殊陶業株式会社 | Plug cap and manufacturing method thereof |
| JP5715653B2 (en) * | 2012-03-12 | 2015-05-13 | 日本特殊陶業株式会社 | Plug connector |
| JP5650678B2 (en) * | 2012-03-12 | 2015-01-07 | 日本特殊陶業株式会社 | Plug connector |
| JP5509360B2 (en) * | 2012-03-12 | 2014-06-04 | 日本特殊陶業株式会社 | Plug connector |
| CN102777927B (en) * | 2012-08-22 | 2014-07-23 | 朱益民 | High-voltage electric discharge output system for gas nail gun |
| JP5873468B2 (en) * | 2013-09-11 | 2016-03-01 | 日本特殊陶業株式会社 | Plug connector |
| CN104895890A (en) * | 2015-05-22 | 2015-09-09 | 重庆从仁机电有限公司 | Injection type self-tapping screw for spark plug cap |
-
2002
- 2002-10-22 JP JP2002307558A patent/JP4130350B2/en not_active Expired - Lifetime
-
2003
- 2003-10-16 BR BR0304612A patent/BR0304612A/en not_active Application Discontinuation
- 2003-10-20 CN CN 200320100857 patent/CN2658981Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992460B (en) * | 2005-12-27 | 2010-12-08 | 本田技研工业株式会社 | Spark plug cap attachment structure |
| CN104205534A (en) * | 2012-03-12 | 2014-12-10 | 日本特殊陶业株式会社 | Attachment for plug |
| CN104205534B (en) * | 2012-03-12 | 2016-08-31 | 日本特殊陶业株式会社 | Plug connection has |
| CN104226849A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Processing method of spark plug cap ceramic resistor |
| CN104895889A (en) * | 2015-05-22 | 2015-09-09 | 重庆从仁机电有限公司 | Press-in type tapping screw |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0304612A (en) | 2004-08-31 |
| JP2004146126A (en) | 2004-05-20 |
| JP4130350B2 (en) | 2008-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131020 Granted publication date: 20041124 |