CN105406360A - High-voltage cap for sparking plug - Google Patents
High-voltage cap for sparking plug Download PDFInfo
- Publication number
- CN105406360A CN105406360A CN201410456601.3A CN201410456601A CN105406360A CN 105406360 A CN105406360 A CN 105406360A CN 201410456601 A CN201410456601 A CN 201410456601A CN 105406360 A CN105406360 A CN 105406360A
- Authority
- CN
- China
- Prior art keywords
- spark plug
- block unit
- taper pipe
- pipe portion
- clamping
- 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.)
- Pending
Links
Landscapes
- Spark Plugs (AREA)
Abstract
The invention is provided with a cap unit and a clamping unit, wherein the clamping unit is provided with a perforation, a taper pipe part, and a clamping part. The perforation is communicated with the cap unit, and the taper pipe part is formed in the cap unit, wherein the pipe diameter of the taper pipe part gradually decreases in a direction facing the perforation. The clamping part extends outwards to be formed at the bottom of the cap unit, and is provided with a clamping groove. The clamping groove is formed in the clamping part, and the clamping unit is provided with a positioning pipe and an extension pipe. The positioning pipe is provided with a clamping annular groove, and the clamping annular groove is formed at one end of the positioning pipe, wherein the internal diameter of the clamping annular groove gradually decreases inwards. The positioning pipe passes through the cap unit, and is wrapped. The clamping annular groove clamps the taper pipe part. When the spark plug is inserted from the clamping part, the spark plug is pressed by the taper pipe part, and is clamped with the help of a clamping force of the positioning pipe, so as to prevent the spark plug from being loosened because of shaking or vibration.
Description
Technical field
The present invention is a kind of cavity cap, refers to for the cavity cap mechanism in conjunction with spark plug.
Background technology
Spark plug is that one is applied to automobile, a kind of part of motor engine, spark plug is mounted in the combustion chamber of an internal combustion engine as lighting element, electric spark is produced with the gasoline in ignited internal combustion engine and air mixture by energising, and then produce power with drive engine, the major constituents of existing spark plug has a contre electrode, one insulating ceramics, one steel body and a grounding electrode, wherein this contre electrode is made by metal alloy, there is resistant to elevated temperatures characteristic, this insulating ceramics surrounds this contre electrode, the situation of leaking electricity can be avoided when allowing this contre electrode be energized, this steel body coated insulation is ceramic and its first half forms hexagonal shape, bottom is provided with a thread, this grounding electrode bending forming is outer and form a small gap with central electrode in spark plug, when energized, this gap can produce electric arc in order to light.
The steel body of spark plug divides can be fixed on automobile, motor engine place, and its insulating ceramics is then subject to the coated of a cavity cap, and existing cavity cap is provided with an electrical connection section in inside, uses the contre electrode being electrically connected existing spark plug; But, after existing cavity cap is combined with spark plug, because cavity cap is a soft quality of rubber materials, therefore, existing cavity cap is not enough for the fastening force of spark plug, in vehicle travel process, easily because vibrations make spark plug be got loose by this automobile, motor engine, and then cause and cut the engine or the phenomenon such as spark plug loose contact, really there are improvements in addition.
Summary of the invention
Because the shortcoming of aforesaid prior art is with not enough, the present invention improves existing cavity cap, make its with spark plug in conjunction with time, the fastening force for spark plug can be strengthened, use and avoid spark plug easily to cause the shortcoming got loose because of vibrations.
For reaching the object of foregoing invention, the technology used in the present invention means are for providing a kind of cavity cap for spark plug, and it comprises:
One block unit, this block unit is a hollow tube and has a perforation, a Taper Pipe portion and a fastening part, this perforation forms in the top of this block unit and is communicated with the middle vacancy of this block unit, this Taper Pipe portion extend be formed in this block unit and the caliber in this Taper Pipe portion towards perforation direction convergent, this fastening part stretches out and is formed in the bottom of this block unit, this fastening part is communicated with this Taper Pipe portion and is provided with a clamping groove, and this clamping groove indent is formed on the inner ring surface of fastening part; And
One clamping unit, it connects block unit and has a positioning pipe and an extension, this positioning pipe is formed in the side of clamping unit and is provided with a folder and compels annular groove, this folder is compeled annular groove and is formed in an end of positioning pipe and the inside convergent of internal diameter of annular groove compeled by this folder, this positioning pipe be arranged in bore a hole and be subject to block a shot unit around coated, the folder of positioning pipe is compeled annular groove and is held and the Taper Pipe portion of urgent block unit, and the extension of this extension is formed in and is different from positioning pipe the other end that annular groove compeled by this folder.
The present invention is used in conjunction with spark plug, when the fastening part of spark plug from block unit penetrates, make the ceramic insulation portion of spark plug be subject to being press-fitted of Taper Pipe portion, relend help the urgent power of positioning pipe further this spark plug clamping to avoid causing getting loose of spark plug because rocking or shaking.
Accompanying drawing explanation
Fig. 1 is stereoscopic figure of the present invention.
Fig. 2 is three-dimensional element exploded view of the present invention.
Fig. 3 is the side cutaway view of clamping unit of the present invention.
Fig. 4 is the partial cross sectional side view that clamping unit of the present invention and a spark plug combine.
Fig. 5 is the urgent positioning relation figure of the present invention and spark plug.
Fig. 6 is the positioning relation enlarged drawing in the ceramic insulation portion of Taper Pipe portion of the present invention and spark plug.
Embodiment
Below coordinating accompanying drawing and the preferred embodiments of the present invention, setting forth the technological means that the present invention takes for realizing predetermined goal of the invention further.
Refer to shown in Fig. 1, the cavity cap for spark plug of the present invention comprises block unit 10 and a clamping unit 20.
Refer to shown in Fig. 2 to Fig. 4, aforesaid block unit 10 is a hollow tube and has a perforation 11, one Taper Pipe portion 12, one clip slot 13, one fastening part 14 and a dustproof sheet 15, this perforation 11 forms in the top of block unit 10 and the inner hollow place of connection block unit 10, the aperture of this perforation 11 is cumulative downwards and form a bellmouth from the top of block unit 10, this Taper Pipe portion 12 extends the inner hollow place being formed in block unit 10, and the caliber in this Taper Pipe portion 12 is towards perforation 11 direction convergent, a spacing is provided with between this Taper Pipe portion 12 and block unit 10, in preferred embodiment, this Taper Pipe portion 12 is provided with an inner ring block 121, this inner ring block 121 extends the top being formed in Taper Pipe portion 12, this clip slot 13 indent is formed in block unit 10 away from the medial surface of perforation 11 and around this Taper Pipe portion 12, this fastening part 14 stretches out and is formed in the bottom of block unit 10, this fastening part 14 is communicated with Taper Pipe portion 12 and is provided with a clamping groove 141, this clamping groove 141 indent is formed on the inner ring surface of fastening part 141, and the internal diameter of this clamping groove 141 is greater than the internal diameter in this Taper Pipe portion 12, the peripheral wall that this dustproof sheet 15 is formed in contiguous perforation 11 place of this block unit 10 has a dust-proof effect, in preferred embodiment, this block unit 10 is made by a soft rubber material.
Refer to shown in Fig. 2 and Fig. 5, aforesaid clamping unit 20 connects block unit 10 and has positioning pipe 21 and an extension 22, this positioning pipe 21 extends the side that is formed in clamping unit 20 and is provided with a folder and compels annular groove 211, one outer shroud block 212, electricity female connector 213 and two qin steel wires 214, this folder is compeled annular groove 211 indent and is formed in an end of positioning pipe 21 and the inside convergent of internal diameter of annular groove 211 compeled by this folder, this outer shroud block 212 projection is formed in this positioning pipe 21 and compels around folder in the outside wall surface of the openend of annular groove 211, this positioning pipe 21 to penetrate from perforation 11 places in block unit 10 and is positioned at the spacing of Taper Pipe portion 12 and block unit 10, this positioning pipe 21 be subject to block a shot unit 10 internal face around coated, this folder is compeled annular groove 211 correspondence and is held and the Taper Pipe portion 12 of urgent block unit 10, and this outer shroud block 212 correspondence is fastened in the clip slot 13 of this block unit 10, strengthen clamping unit 20 by this and be located at the steadiness of blocking a shot in unit 10, this electric female connector 213 is arranged on the top in Taper Pipe portion 12 and is positioned at positioning pipe 21, and this electric female connector 213 communicates with this clamping groove 141, the internal face that described two qin steel wires 214 are formed in positioning pipe 21 lies along the side of electric female connector 213, the extension of this extension 22 is formed in and is different from positioning pipe 21 the other end that annular groove 211 compeled by this folder, in preferred embodiment, this clamping unit 20 is made by a rigid plastic cement material.
Refer to shown in Fig. 4, cavity cap for spark plug of the present invention is cooperation one spark plug 30 and is applied to automobile, in the engine of motorcycle, this spark plug 30 has a central electrode 31, one ceramic insulation portion 32, one steel body 33 and a grounding electrode 34, the two ends difference projection of this central electrode 31 is in the both sides of spark plug 30, this ceramic insulation portion 32 is coated on the outside of central electrode 31 to avoid producing electric leakage or short circuit during electrical connection, peripheral surface in ceramic insulation portion 32 is provided with a urgent lines 321, this steel body 33 is coated on the outside in ceramic insulation portion 32 in order to locking and dismounting, this grounding electrode 34 bending forming also and between central electrode 31 forms an ignition gap 341 in the end of steel body 33.
Refer to shown in Fig. 2 and Fig. 5, upon combination, the one end in the ceramic insulation portion 32 of spark plug 30 penetrates the fastening part 14 of block unit 10, and by clamping groove 141 close-fitting in Taper Pipe portion 12, fastening part 14 is made to support upper limb at steel body 33, and by the contact increase frictional force between the two in urgent lines 321 and Taper Pipe portion 12 and the coated clamping of inner ring block 121 in Taper Pipe portion 12 in the end in ceramic insulation portion 32, because the caliber size in Taper Pipe portion 12 inwardly reduces gradually, when ceramic insulation portion 32 is in cohesive process, this ceramic insulation portion 32 is subject to strengthening gradually from the close-fitting strength in Taper Pipe portion 12, but in close-fitting process, this Taper Pipe portion 12 can produce distortion because this ceramic insulation portion 32 extrudes, therefore, relend the inner ring wall helping the folder of positioning pipe 21 to compel annular groove 211 and one reverse urgent power is provided, with the ceramic insulation portion 32 of the distortion and clamping spark plug 30 that limit this Taper Pipe portion 12, finally, central electrode 31 correspondence of this spark plug 30 loads in this electric female connector 213, and described two qin steel wires 214 are supported on the outer ring surface of this central electrode 31, this strengthens the close-fitting intensity of spark plug 30 further, in addition please refer to shown in Fig. 6, this Taper Pipe portion 12 is soft rubber material, easily deformation is produced under pressed by external force and high temperature, when ceramic insulation portion 32 loads, closed state can be formed after its urgent lines 321 operates a period of time at high operating temperatures with the internal face in Taper Pipe portion 12, the closed intensity in this urgent lines and Taper Pipe portion 12 is along with the caliber upwards convergent and deepening gradually in this Taper Pipe portion 12, this can strengthen the linking steady character in spark plug 30 and Taper Pipe portion 12.
The present invention forms one for the cavity cap of spark plug by the combination of the block unit 10 of a soft materials and the clamping unit 20 of a rigid material, when the present invention is in conjunction with spark plug 30, the gripping force of annular groove 211 is compeled by inner Taper Pipe portion 12 and the folder of positioning pipe 21, effectively can promote spark plug 30 and be installed in steadiness in cavity cap of the present invention, when being applied on automobile, motorcycle, effectively can bear automobile, motorcycle produces in travelling rocks and shake, cause the flame-out of engine or loose contact to avoid getting loose of spark plug.
The above is only the preferred embodiments of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, not departing from the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, as long as do not depart from the content of technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
[symbol description]
10 block unit 11 are bored a hole
12 Taper Pipe portion 121 inner ring blocks
13 clip slot 14 fastening parts
141 clamping groove 15 dustproof sheets
20 clamping unit 21 positioning pipes
Annular groove 212 outer shroud block compeled by 211 folders
213 electric female connector 214 qin steel wires
22 extension 30 spark plugs
31 central electrode 32 ceramic insulation portions
321 urgent lines 33 steel bodies
34 grounding electrode 341 ignition gaps
Claims (10)
1., for a cavity cap for spark plug, it comprises:
One block unit, this block unit is a hollow tube and has a perforation, a Taper Pipe portion and a fastening part, this perforation forms in the top of this block unit and is communicated with the middle vacancy of this block unit, this Taper Pipe portion extend be formed in this block unit and the caliber in this Taper Pipe portion towards perforation direction convergent, this fastening part stretches out and is formed in the bottom of this block unit, this fastening part is communicated with this Taper Pipe portion and is provided with a clamping groove, and this clamping groove indent is formed on the inner ring surface of fastening part; And
One clamping unit, it connects block unit and has a positioning pipe and an extension, this positioning pipe is formed in the side of clamping unit and is provided with a folder and compels annular groove, this folder is compeled annular groove and is formed in an end of positioning pipe and the inside convergent of internal diameter of annular groove compeled by this folder, this positioning pipe be arranged in bore a hole and be subject to block a shot unit around coated, the folder of positioning pipe is compeled annular groove and is held and the Taper Pipe portion of urgent block unit, and the extension of this extension is formed in and is different from positioning pipe the other end that annular groove compeled by this folder.
2. as claimed in claim 1 for the cavity cap of spark plug, it is characterized in that, block unit has a clip slot, spacing is provided with between this Taper Pipe portion and block unit, this clip slot indent be formed in block unit away from perforation medial surface on and around this Taper Pipe portion, the positioning pipe of clamping unit is provided with an outer shroud block, this outer shroud block projection is formed in positioning pipe and compels around folder in the outside wall surface of annular groove, this positioning pipe to penetrate in block unit and is positioned at the spacing of this Taper Pipe portion and block unit, and this outer shroud block correspondence is fastened in the clip slot of block unit.
3. as claimed in claim 1 or 2 for the cavity cap of spark plug, it is characterized in that, the aperture of this perforation is cumulative downwards from the top end of block unit.
4., as claimed in claim 1 for the cavity cap of spark plug, it is characterized in that, block unit is quality of rubber materials.
5., as claimed in claim 1 for the cavity cap of spark plug, it is characterized in that, clamping unit is plastic cement material.
6. the cavity cap for spark plug according to any one of claim 1,2,4 and 5, it is characterized in that, positioning pipe is provided with an electric female connector and two qin steel wires, this electric female connector is arranged on the top in Taper Pipe portion and communicates with the clamping groove of this fastening part, and the internal face that described two qin steel wires are formed in positioning pipe lies along the side of electric female connector.
7. as claimed in claim 3 for the cavity cap of spark plug, it is characterized in that, positioning pipe is provided with an electric female connector and two qin steel wires, this electric female connector is arranged on the top in Taper Pipe portion and communicates with the clamping groove of this fastening part, and the internal face that described two qin steel wires are formed in positioning pipe lies along the side of electric female connector.
8. as claimed in claim 3 for the cavity cap of spark plug, it is characterized in that, Taper Pipe portion is provided with an inner ring block, and this inner ring block extends the top being formed in Taper Pipe portion.
9. as claimed in claim 8 for the cavity cap of spark plug, it is characterized in that, be provided with a spark plug further, this spark plug has a ceramic insulation portion, peripheral surface in ceramic insulation portion is provided with a urgent lines, this ceramic insulation portion penetrate the block fastening part of unit and close-fitting in Taper Pipe portion, this urgent lines and Taper Pipe portion form closed state, and the closed intensity in this urgent lines and Taper Pipe portion is along with the caliber upwards convergent and deepening gradually in this Taper Pipe portion.
10. as claimed in claim 7 for the cavity cap of spark plug, it is characterized in that, block unit has a dustproof sheet, and this dustproof sheet is formed in the peripheral wall of contiguous perforation place of block unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410456601.3A CN105406360A (en) | 2014-09-10 | 2014-09-10 | High-voltage cap for sparking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410456601.3A CN105406360A (en) | 2014-09-10 | 2014-09-10 | High-voltage cap for sparking plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105406360A true CN105406360A (en) | 2016-03-16 |
Family
ID=55471687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410456601.3A Pending CN105406360A (en) | 2014-09-10 | 2014-09-10 | High-voltage cap for sparking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105406360A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376907A (en) * | 2017-01-31 | 2018-08-07 | 博格华纳路德维希堡有限公司 | Connection plug |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131726A (en) * | 1994-11-17 | 1996-09-25 | 住友电装株式会社 | Ignition system for internal combustion engine |
| JP2001155837A (en) * | 1999-11-30 | 2001-06-08 | Sumitomo Wiring Syst Ltd | Plug cap device |
| CN102792535A (en) * | 2010-02-24 | 2012-11-21 | 日本特殊陶业株式会社 | Plug cap |
-
2014
- 2014-09-10 CN CN201410456601.3A patent/CN105406360A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131726A (en) * | 1994-11-17 | 1996-09-25 | 住友电装株式会社 | Ignition system for internal combustion engine |
| JP2001155837A (en) * | 1999-11-30 | 2001-06-08 | Sumitomo Wiring Syst Ltd | Plug cap device |
| CN102792535A (en) * | 2010-02-24 | 2012-11-21 | 日本特殊陶业株式会社 | Plug cap |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376907A (en) * | 2017-01-31 | 2018-08-07 | 博格华纳路德维希堡有限公司 | Connection plug |
| CN108376907B (en) * | 2017-01-31 | 2021-12-21 | 博格华纳路德维希堡有限公司 | Connecting plug |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5902182B2 (en) | RF spark plug short circuit prevention | |
| US10107252B2 (en) | Ignition plug and ignition device | |
| CA2623079A1 (en) | Composite conductor, in particular for glow plugs for diesel engines | |
| JP6401246B2 (en) | Corona igniter with hermetic combustion seal | |
| JP2014503975A (en) | Corona igniter with controlled corona formation position | |
| JP2014167903A (en) | Ignition plug and method of manufacturing the same | |
| KR20150005676A (en) | Shrink-fit ceramic center electrode | |
| CN107689555B (en) | Spark plug and ignition device | |
| WO2011008115A3 (en) | Combustion engines sparking plug | |
| CN105406360A (en) | High-voltage cap for sparking plug | |
| CN104466683A (en) | Corona ignition device | |
| JP2016522386A (en) | Sheath type glow plug with heating element made of inner contact type ceramic and method for manufacturing the same | |
| CN105429005A (en) | Improved sparking plug for motorcycle engine | |
| JP5449581B2 (en) | Spark plug | |
| CN110462947A (en) | The spark plug of internal combustion engine | |
| JP2013191560A (en) | Spark plug, ignition device and engine | |
| JP5755310B2 (en) | Spark plug | |
| CN110011183B (en) | Spark plug | |
| TWM555401U (en) | Car ignition device and ignition accelerator | |
| TWI631276B (en) | Car ignition device and ignition accelerator | |
| KR100934903B1 (en) | Production method of spark plug | |
| CN105736212A (en) | Motorcycle engine ignition device | |
| CN205355531U (en) | Spark plug of modified motorcycle engine | |
| US10333281B2 (en) | Spark plug | |
| US10495046B2 (en) | Ignition device for an extraneously igniting combustion piston engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |
|
| RJ01 | Rejection of invention patent application after publication |