CN201263042Y - Ignition line component of car sparking plug - Google Patents
Ignition line component of car sparking plug Download PDFInfo
- Publication number
- CN201263042Y CN201263042Y CNU2008201527746U CN200820152774U CN201263042Y CN 201263042 Y CN201263042 Y CN 201263042Y CN U2008201527746 U CNU2008201527746 U CN U2008201527746U CN 200820152774 U CN200820152774 U CN 200820152774U CN 201263042 Y CN201263042 Y CN 201263042Y
- Authority
- CN
- China
- Prior art keywords
- rubber sheath
- long rubber
- sleeve pipe
- line body
- spark plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an improved structure of components of an ignition system of a vehicle engine, in particular to an improved structure of an ignition wire assembly of a spark plug of an engine. The ignition wire assembly of the vehicle spark plug includes that a wire body (2) is inserted into an axial through hole which is arranged in the middle of a long rubber sheath (1), and the end of the wire body (2) is a steel plug (3) the front end of which is provided with a clamp spring (4). The root part of the long rubber sheath (1) is a section of rubber corrugated convex platform. A sleeve (5) is sheathed in the middle of the long rubber sheath (1) and also at the periphery of the wire body (2). In the utility model, an inner sheath structure of the sleeve (5) is added in the long rubber sheath (1). Simple operation is available when the ignition wire is required to be inserted and extracted in the installation or maintenance of the engine, the rigidity of the long rubber sheath (1) is enhanced, and therefore, the long rubber sheath (1) can not be bent when in insertion and extraction. When in insertion, the connection with the spark plug is accurate and reliable while in extraction, the long rubber sheath (1) is not damaged.
Description
(1) technical field
The utility model relates to a kind of structure-improved of vehicular engine ignition system parts, particularly relates to a kind of structure-improved of engine spark plug ignition lead assembly.
(2) background technology
Known, present most of gasoline car adopts the high-pressure ignition wire of band impedance, also claims the wiring of high voltage damper as automotive engine ignition system, and it has the interference free performance that interweaves.When cylinder is lighted a fire at minute cylinder, form the higher-order of oscillation by spark plug interpolar electrion, also has part in addition with DI, other electrode of its distributor plate and rotor clearance, the electric spark that produces when contact breaker points opens and closes, its frequency range is to produce high-voltage pulse from hundreds of kilo hertzs to hundreds of megahertzes, form the radio interference electromagnetic wave, the quality of reception of meeting interference effect radio communication signal and the execution signal of electronic controller.Along with the continuous expansion of automobile function, the application of auto electronic control technology on automobile is more and more, and the interference of high-voltage pulse just becomes the urgent problem that must face when therefore solving automotive ignition.Have jamproof high-pressure ignition wire thus and just be widely adopted, and greatly the automobile of part has been cancelled ignition distributor, adopted the closed magnetic circuit ignition coil, directly be connected igniting with spark plug by ignition lead.
Automobile generally has two kinds of versions with ignition lead at present: one is uniform resistance-type, be that impedance is evenly distributed on the ignition lead body, another person is the two ends resistance-type, be the two ends that impedance is separately positioned on ignition lead, ignition lead is connected with spark plug with the ignition coil high-voltage output end by the two ends rubber sleeve, and these are with can suppress effectively the to light a fire interference of frequency electromagnetic waves of generation of the ignition lead of impedances.
In uniform resistance-type sparking mode, the ignition lead assembly generally is made up of long rubber sheath and the line body that is positioned at wherein.
Concrete structure is, insert the line body in the middle of long rubber sheath, the termination of line body is the steel plug that patches mutually with the spark plug binding post, and the front end of steel plug has the jump ring of banding effect together, the root of long rubber sheath is one section rubber ripple convex, makes the external dew of line that a flexible transition section be arranged.
When ignition lead is on the spark plug binding post of insertion engine, reliable in order to guarantee contact, and it is waterproof and dampproof, long rubber sheath and spark plug are that interference fit, jump ring rely on elastic properties of materials and spark plug to block, therefore long rubber sheath need bear certain axial force, the size of its suffered axial force equates that with contact engaging and separating force there is regulation in general car load factory to the contact engaging and separating force of ignition lead and spark plug assembling, is generally 35N～140N.
The ignition lead of prior art is not because the hardness of its long rubber sheath generally can surpass Shao Shi 70 (hardness is high more withstand voltage just low more), when inserting spark plug, because of engine structure factor operator hand can only be held in the terminal applied thrust of long sheath component, its active force can not be fully along axis direction, make long rubber sheath crooked to some extent, just be difficult to be inserted into the position influence assembling this moment.When spark plug is extracted, long equally rubber sheath need be executed very big pulling force under case of bending, draws bad long rubber sheath easily, especially through using back easier damage when keeping in repair, influences ignition performance.
This type of problem exists when general compact engine (spark plug is in than deep-seated and puts) assembles ignition lead, and the urgent hope of automobile factory, maintenance department and driver can solve or be improved.
(3) utility model content
It is a kind of with engine spark plug assembling during with maintenance that the purpose of this utility model is to provide, and plugs more reliable, structure-improved more easily.
The purpose of this utility model is realized by following technical scheme.
A kind of automobile spark plug ignition wire assembly, offer axially extending bore insertion line body in the middle of being included in long rubber sheath, the termination of line body is the steel plug, the front end of steel plug has a jump ring, the root of long rubber sheath is one section rubber ripple convex, it is characterized in that, in the middle of described long rubber sheath, be nested with a sleeve pipe in the periphery of described line body.
Increase the cover tube components, improved the operation rigidity of long rubber sheath, easily the spark plug binding post is plugged and unplugged, eliminated the defective and the deficiency of prior art.
The length of described sleeve pipe is, an end props up the steel plug of described line body termination, and the other end is positioned at the root of described long rubber sheath.So structure and length have played the purpose that strengthens long rubber sheath rigidity just, and the steel plug props up described line body termination, make when dress is inserted, also can insert the spark plug binding post with strength in any case, and hold the sleeve pipe that props up in the long rubber sheath, be convenient to use pushing force.
The described casing inner diameter line body diameter inner with it is matched in clearance.This gap guarantees that the line body injects in the feeding sleeve pipe smoothly when assembling.
Described cover external diameter of pipe engages with interference fit with the through hole of described long rubber sheath root.This interference fit can guarantee can take parts such as inner sleeve pipe and line body smoothly in the lump out of holding long rubber sheath when extracting.
Further, described cover external diameter of pipe and described long rubber sheath root internal diameter value of interference fit are 4 to 5mm.
The described sleeve pipe nylon of drawing materials.Nylon material had both had certain rigid, intensity realization the purpose of this utility model, and nylon is again a kind of high-insulativity material simultaneously, is configured in the technical solutions of the utility model, has strengthened insulation safety, the reliability of product component.
The beneficial effect of the technical program is: the utility model has increased the inner sheath structure of sleeve pipe in long rubber sheath, when engine at assembling or maintenance processing ease need plug ignition lead the time, can not cause the bending of long rubber sheath during plug, be connected with spark plug during insertion put in place reliable, extract convenient long rubber not damaged.
Structure of the present utility model, if with a kind of long male component that adopts engineering plastics, two ends add the silicone rubber jacket structure again and compare, because the engineering plastics that the whole employing of long male component is withstand voltage, heatproof is high, though increased the rigidity of long male component, be convenient to plug to spark plug, its material impact intensity is low, easily cracked and cost is high, but it is withstand voltage, heat resistance is still low than silicone rubber jacket.
The sleeve structure that the utility model provides is high pressure resistant, high temperature resistant, manufacturing process is simple, cost is low.
(4) description of drawings
Fig. 1 is that prior art automobile spark plug ignition wire assembly inserts the spark plug configuration cutaway view;
Fig. 2 is that the utility model automobile spark plug ignition wire assembly inserts the spark plug configuration cutaway view.
Among the figure: 1-long rubber sheath, 2-line body, 3-steel plug, 4-jump ring, 5-sleeve pipe, G-spark plug.
(5) specific implementation method
Further specify the utility model below in conjunction with accompanying drawing.
As shown in the figure,
A kind of automobile spark plug ignition wire assembly, offer axially extending bore insertion line body 2 in the middle of being included in long rubber sheath 1, the termination of line body 2 is a steel plug 3, the front end of steel plug 3 has a jump ring 4, the root of long rubber sheath 1 is one section rubber ripple convex, it is characterized in that, in the middle of described long rubber sheath 1, be nested with a sleeve pipe 5 in the periphery of described line body 2.The length of sleeve pipe 5 is, an end props up the steel plug of described line body 2 terminations, and the other end is positioned at the root of described long rubber sheath 1.Described sleeve pipe 5 internal diameters line body 2 external diameters inner with it are matched in clearance.Described sleeve pipe 5 external diameters engage with interference fit with the through hole of described long rubber sheath 1 root.The diameter value of interference fit of the internal diameter of described sleeve pipe 5 external diameters and described long rubber sheath 1 root is 4 to 5mm.Described sleeve pipe 5 nylon of drawing materials.
Claims (6)
1. automobile spark plug ignition wire assembly, offer axially extending bore insertion line body (2) in the middle of being included in long rubber sheath (1), the termination of line body (2) is steel plug (3), the front end of steel plug (3) has a jump ring (4), the root of long rubber sheath (1) is one section rubber ripple convex, it is characterized in that, in the middle of described long rubber sheath (1), be nested with a sleeve pipe (5) in the periphery of described line body (2).
2. according to the described ignition lead assembly of claim 1, it is characterized in that the length of described sleeve pipe (5) is, an end props up the steel plug of described line body (2) termination, and the other end is positioned at the root of described long rubber sheath (1).
3. according to the described ignition lead assembly of claim 1, it is characterized in that described sleeve pipe (5) internal diameter line body (2) external diameter inner with it is matched in clearance.
4. according to the described ignition lead assembly of claim 1, it is characterized in that described sleeve pipe (5) external diameter engages with interference fit with the through hole of described long rubber sheath (1) root.
5. according to the described ignition lead assembly of claim 4, the value of interference fit that it is characterized in that described sleeve pipe (5) external diameter and described long rubber sheath (1) root internal diameter is 4 to 5mm.
6. according to the described ignition lead assembly of claim 1, it is characterized in that described sleeve pipe (5) nylon of drawing materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201527746U CN201263042Y (en) | 2008-09-05 | 2008-09-05 | Ignition line component of car sparking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201527746U CN201263042Y (en) | 2008-09-05 | 2008-09-05 | Ignition line component of car sparking plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201263042Y true CN201263042Y (en) | 2009-06-24 |
Family
ID=40809518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201527746U Expired - Lifetime CN201263042Y (en) | 2008-09-05 | 2008-09-05 | Ignition line component of car sparking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201263042Y (en) |
-
2008
- 2008-09-05 CN CNU2008201527746U patent/CN201263042Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090624 |