CN103808473B - A kind of spark plug air leakage measurement mechanism - Google Patents
A kind of spark plug air leakage measurement mechanism Download PDFInfo
- Publication number
- CN103808473B CN103808473B CN201410061886.0A CN201410061886A CN103808473B CN 103808473 B CN103808473 B CN 103808473B CN 201410061886 A CN201410061886 A CN 201410061886A CN 103808473 B CN103808473 B CN 103808473B
- Authority
- CN
- China
- Prior art keywords
- spark plug
- gas collecting
- pipe
- snorkel
- collecting pipe
- 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 - Fee Related
Links
Landscapes
- Spark Plugs (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of spark plug air leakage measurement mechanism, feature comprises gas collecting pipe for gathering spark plug air leakage and for the compacting part by gas collecting pipe and the test simulation engine press seal with spark plug, gas collecting pipe is positioned at compacting part, the upper end closed of gas collecting pipe arranges and its lower end is provided with opening, the top of gas collecting pipe is communicated with pipe, the free end of pipe passes in outside water, spark plug stretches in gas collecting pipe by opening, the open end of gas collecting pipe seals with test simulation engine and abuts, advantage is that structure is simple, can be quick, accurate measurement spark plug air leakage.
Description
Technical field
The present invention relates to a kind of spark plug air leakage measurement mechanism.
Background technology
Spark plug, be commonly called as nozzles, its effect is the high voltage pulse discharge of electricity that high-voltage conducting wires is sent here, air between disruptive spark plug two electrode, produce the mixed gas that electric spark ignites in cylinder with this, coordinate with firing system and oil supply system and make engine power, jointly decide the performance of engine to a great extent.Spark plug critical part is insulator, housing, wiring screw rod and electrode.Spark plug gas leakage is mostly due to insulator and housing seal is bad causes.When leaking gas between insulator and housing, usually there is blackstreak in insulator outside surface along gas leakage direction, spark plug gas leakage not only affects the sealing of cylinder, also easily cause spark plug overheated, but also carbon deposit can be produced along air leak position, reduce the insulating property of insulator, thus make cylinder press step-down, power is deteriorated, and four cylinder working imbalances cause engine to shake.Therefore, during spark plug gas leakage, should change in time.But, judge whether spark plug leaks gas at present, general be all from the sensation (car is trembled) of driving and intuitively see that the degree of burning of spark plug judges, there is personal error, and observed by artificial, there is certain property delayed, simultaneously by artificial rough judgement, accurately cannot measure the air leakage of spark plug.
Summary of the invention
Technical matters to be solved by this invention is to provide the spark plug air leakage measurement mechanism that a kind of energy is quick, accurately measure spark plug air leakage.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of spark plug air leakage measurement mechanism, comprise gas collecting pipe for gathering spark plug air leakage and for the compacting part by described gas collecting pipe and the test simulation engine press seal with spark plug, described gas collecting pipe is positioned at described compacting part, the upper end closed of described gas collecting pipe arranges and its lower end is provided with opening, the top of described gas collecting pipe is communicated with pipe, the free end of described pipe passes in outside water, described spark plug stretches in described gas collecting pipe by opening, the open end of described gas collecting pipe seals with described test simulation engine and abuts.
Described gas collecting pipe comprises the upper snorkel of one connection and lower snorkel, the diameter of described upper snorkel is less than the diameter of described lower snorkel, described pipe sealing is fixed on the top of described upper snorkel, the through hole of described upper snorkel, the through hole of described lower snorkel and the through hole of described pipe are interconnected, described upper snorkel is arranged with pressure head cover, the sidewall of described pressure head cover is provided with for making pipe stretch out longitudinal grooved outside pressure head cover, the diameter of described pressure head cover is less than or equal to the diameter of described lower snorkel, the upper end of described pressure head cover abuts with described compacting part and open end bottom it abuts with the upper-end contact face of described lower snorkel, described spark plug stretches in described lower snorkel, the open end of the bottom of described lower snorkel seals with described test simulation engine and abuts.Gas collecting pipe is arranged by said structure, can better realize sealing with test simulation engine contacting, simultaneously convenient processing and operation.
The top of described upper snorkel is provided with 90 ° of elbows that inside has through hole, and the end winding support of described pipe is in described 90 ° of elbows.Facilitate the processing of the connection of pipe and upper snorkel.
Described pipe is arranged with threaded fastener, and described threaded fastener and described 90 ° of elbows are by screw thread compact siro spinning technology.Further sealing fixing tube also avoids pipe under the powerful air pressure of engine, departs from gas collecting pipe.
Space between described pipe and described 90 ° of elbows and/or the fill gaps between described pipe and described threaded fastener have encapsulant.
The bottom end face of described lower snorkel is provided with annular groove, and in described annular groove, inlay card has ring seal packing ring.Make lower snorkel and test simulation engine seal further, avoid Leakage Gas, simultaneously can better stationary annular packing washer by annular groove.
Described pressure head cover is for hollow circular cylinder and its upper end is provided with level block, and the opening of described longitudinal grooved is positioned at the lower end of described pressure head cover.Be conducive to pressure head cover to abut with compacting part, avoid both mutually to slide; Pressure head cover directly can easily be sleeved on upper snorkel by longitudinal grooved simultaneously.
Described compacting part comprises work top, the central authorities of described work top are provided with the mounting groove for placing the test simulation engine with spark plug, described work top is provided with fixed frame, the upper side frame of described fixed frame is provided with and rotatably compresses part for what pressure head cover, gas collecting pipe and test simulation engine three are fixed, the described installation site rotatably compressing part is corresponding up and down with the position of described mounting groove.
The described part that rotatably compresses comprises the rotating shaft that can move up and down along the upper side frame of described fixed frame, the upper end of described rotating shaft is provided with handle, the lower end of described rotating shaft through described fixed frame upper side frame and be provided with bottom it for blocking a shot the horizontal pressure foot abutted with the level that described pressure head overlaps.
The lower surface of described horizontal pressure foot is provided with projection, the upper surface of described level block be provided with described projection with the use of groove.In test process, make projection just inlay card in a groove, further fixing horizontal pressing plate and level are blocked a shot, can realize better locating between the two, avoid mutually sliding between the two, thus produce test error.
Described pipe is plastic tube or proofed sleeve.
Compared with prior art, the invention has the advantages that: the present invention makes public for the first time a kind of spark plug air leakage measurement mechanism, comprise gas collecting pipe for gathering spark plug air leakage and for the compacting part by gas collecting pipe and the test simulation engine press seal with spark plug, gas collecting pipe is positioned at compacting part, the upper end closed of gas collecting pipe arranges and its lower end is provided with opening, the top of gas collecting pipe is communicated with pipe, the free end of pipe passes in outside water, spark plug is contained on test simulation engine, spark plug stretches in gas collecting pipe by opening, the open end of gas collecting pipe seals with test simulation engine and abuts, simulated engine actual working state (probe temperature 200 DEG C, air pressure 41.2 × 105Pa), the gas leakage of spark plug enters in water by pipeline, the bubble volume produced in water is the air leakage of spark plug, this apparatus structure is simple, can be quick, accurate measurement spark plug air leakage, avoid by artificial observe and decide spark plug whether leak gas exist error, the property delayed and defect that cannot be quantitative, actual application value is high.
Accompanying drawing explanation
Fig. 1 is spark plug air leakage measurement mechanism one-piece construction schematic diagram of the present invention;
Fig. 2 is gas collecting pipe of the present invention and pressure head nested structure schematic diagram;
Fig. 3 is pressure head nested structure schematic diagram of the present invention;
Fig. 4 is compacting part structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Specific embodiment
A kind of spark plug air leakage measurement mechanism, as depicted in figs. 1 and 2, comprise gas collecting pipe 1 for gathering spark plug air leakage and for the compacting part 4 by gas collecting pipe 1 and test simulation engine 3 press seal with spark plug 2, gas collecting pipe 1 is positioned at compacting part 4, the upper end closed of gas collecting pipe 1 arranges and its lower end is provided with opening, the top of gas collecting pipe 1 is communicated with pipe 5, the free end of pipe 5 passes in outside water, spark plug 2 stretches in gas collecting pipe 1 by the opening of gas collecting pipe 1, the open end of gas collecting pipe 1 seals with test simulation engine 3 and abuts.
In this particular embodiment, as depicted in figs. 1 and 2, gas collecting pipe 1 comprises the upper snorkel 6 of one connection and lower snorkel 7, the diameter of upper snorkel 6 is less than the diameter of lower snorkel 7, pipe 5 sealing is fixed on the top of snorkel 6, the through hole of upper snorkel 6, the through hole of lower snorkel 7 and the through hole of pipe 5 are interconnected, upper snorkel 6 is arranged with pressure head cover 8, pressure head cover 8 sidewall be provided with for make pipe stretch out pressure head cover 8 outside longitudinal grooved 9, the diameter of pressure head cover 8 is less than or equal to the diameter of lower snorkel 7, the upper end of pressure head cover 8 abuts with compacting part 4 and open end bottom it abuts with the upper-end contact face of lower snorkel 7, spark plug 2 stretches in lower snorkel 7, the open end of the bottom of lower snorkel 7 seals with test simulation engine 3 and abuts.
In this particular embodiment, as shown in Figure 2, the top of upper snorkel 6 is provided with 90 ° of elbows 10 that inside has through hole, and the end winding support of pipe 5 is in 90 ° of elbows 10.Pipe 5 is also arranged with threaded fastener 11, and threaded fastener 11 and 90 ° of elbows 10 are by screw thread compact siro spinning technology.Space between pipe 5 and 90 ° of elbows 10 and/or the fill gaps between pipe 5 and threaded fastener 11 have encapsulant (such as fluid sealant etc.).The bottom end face of lower snorkel 7 is provided with annular groove (not shown), and in annular groove (not shown), inlay card has ring seal packing ring 12.
In this particular embodiment, as shown in Figure 3, pressure head cover 8 is provided with level block 21 for hollow circular cylinder and its upper end; The opening of longitudinal grooved 9 is positioned at the lower end of pressure head cover 8.
In this particular embodiment, as shown in Figure 4, compacting part 4 comprises work top 13, the central authorities of work top 13 are provided with the mounting groove 14 for placing the test simulation engine 3 with spark plug 2, work top 13 is provided with fixed frame 15, the upper side frame 16 of fixed frame 15 is provided with and rotatably compresses part 17 for what pressure head cover 8, gas collecting pipe 1 and test simulation engine 3 three are fixed, the installation site rotatably compressing part 17 is corresponding up and down with the position of mounting groove 14.Rotatably compress part 17 and comprise the rotating shaft 18 that can move up and down along the upper side frame 16 of fixed frame 15, the upper end of rotating shaft 18 is provided with handle 19, the lower end of rotating shaft 18 through the upper side frame 16 of fixed frame 15 and the level be provided with bottom it for overlapping 8 with pressure head is blocked a shot 21 horizontal pressure foots abutted against 20.The lower surface of horizontal pressure foot 20 is provided with projection 22, level block 21 upper surface be provided with projection 22 with the use of groove 23.Projection 22 can just inlay card in groove 23.Above-mentioned pipe 5 is plastic tube or proofed sleeve.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing.The change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to scope.
Claims (9)
1. a spark plug air leakage measurement mechanism, it is characterized in that: comprise gas collecting pipe for gathering spark plug air leakage and for the compacting part by described gas collecting pipe and the test simulation engine press seal with spark plug, described gas collecting pipe is positioned at described compacting part, the upper end closed of described gas collecting pipe arranges and its lower end is provided with opening, the top of described gas collecting pipe is communicated with pipe, the free end of described pipe passes in outside water, described spark plug stretches in described gas collecting pipe by opening, the open end of described gas collecting pipe seals with described test simulation engine and abuts, described gas collecting pipe comprises the upper snorkel of one connection and lower snorkel, the diameter of described upper snorkel is less than the diameter of described lower snorkel, described pipe sealing is fixed on the top of described upper snorkel, the through hole of described upper snorkel, the through hole of described lower snorkel and the through hole of described pipe are interconnected, described upper snorkel is arranged with pressure head cover, the sidewall of described pressure head cover is provided with for making pipe stretch out longitudinal grooved outside pressure head cover, the diameter of described pressure head cover is less than or equal to the diameter of described lower snorkel, the upper end of described pressure head cover abuts with described compacting part and open end bottom it abuts with the upper-end contact face of described lower snorkel, described spark plug stretches in described lower snorkel, the open end of the bottom of described lower snorkel seals with described test simulation engine and abuts.
2. a kind of spark plug air leakage measurement mechanism according to claim 1, is characterized in that: the top of described upper snorkel is provided with 90 ° of elbows that inside has through hole, and the end winding support of described pipe is in described 90 ° of elbows.
3. a kind of spark plug air leakage measurement mechanism according to claim 2, is characterized in that: described pipe is arranged with threaded fastener, and described threaded fastener and described 90 ° of elbows are by screw thread compact siro spinning technology.
4. a kind of spark plug air leakage measurement mechanism according to claim 3, is characterized in that: the space between described pipe and described 90 ° of elbows and/or the fill gaps between described pipe and described threaded fastener have encapsulant.
5. a kind of spark plug air leakage measurement mechanism according to claim 1, is characterized in that: the bottom end face of described lower snorkel is provided with annular groove, and in described annular groove, inlay card has ring seal packing ring.
6. a kind of spark plug air leakage measurement mechanism according to claim 1, is characterized in that: described pressure head cover is for hollow circular cylinder and its upper end is provided with level block, and the opening of described longitudinal grooved is positioned at the lower end of described pressure head cover.
7. a kind of spark plug air leakage measurement mechanism according to any one of claim 1-6, it is characterized in that: described compacting part comprises work top, the central authorities of described work top are provided with the mounting groove for placing the test simulation engine with spark plug, described work top is provided with fixed frame, the upper side frame of described fixed frame is provided with for by pressure head cover, what gas collecting pipe and test simulation engine three were fixed rotatably compresses part, the described installation site rotatably compressing part is corresponding up and down with the position of described mounting groove.
8. a kind of spark plug air leakage measurement mechanism according to claim 7, it is characterized in that: the described part that rotatably compresses comprises the rotating shaft that can move up and down along the upper side frame of described fixed frame, the upper end of described rotating shaft is provided with handle, the lower end of described rotating shaft through described fixed frame upper side frame and be provided with bottom it for blocking a shot the horizontal pressure foot abutted with the level that described pressure head overlaps.
9. a kind of spark plug air leakage measurement mechanism according to claim 8, is characterized in that: the lower surface of described horizontal pressure foot is provided with projection, the upper surface of described level block be provided with described projection with the use of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061886.0A CN103808473B (en) | 2014-02-24 | 2014-02-24 | A kind of spark plug air leakage measurement mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061886.0A CN103808473B (en) | 2014-02-24 | 2014-02-24 | A kind of spark plug air leakage measurement mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103808473A CN103808473A (en) | 2014-05-21 |
| CN103808473B true CN103808473B (en) | 2016-04-13 |
Family
ID=50705567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410061886.0A Expired - Fee Related CN103808473B (en) | 2014-02-24 | 2014-02-24 | A kind of spark plug air leakage measurement mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103808473B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973541A (en) * | 2016-07-26 | 2016-09-28 | 芜湖中能机械制造有限公司 | Spark plug socket air-tightness detection device |
| CN115791016B (en) * | 2023-02-06 | 2023-05-02 | 莱阳市昌誉密封科技股份有限公司 | Spark plug oil seal performance test equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201028986Y (en) * | 2006-12-28 | 2008-02-27 | 重庆宗申技术开发研究有限公司 | Air-tightness detecting machine for engine cylinder head assembly |
| CN102393279A (en) * | 2011-10-26 | 2012-03-28 | 中国南方航空工业(集团)有限公司 | Device for detecting sealing performance of engine |
| CN203758703U (en) * | 2014-02-24 | 2014-08-06 | 宁波市产品质量监督检验研究院 | Spark plug air leakage measurement apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030079528A1 (en) * | 2001-10-30 | 2003-05-01 | Spx Corporation | Method and apparatus for detecting non-contributing cylinders |
| US20120279282A1 (en) * | 2011-05-05 | 2012-11-08 | Billy Williams | Device and method to provide a pressure/vacuum test of a vehicle cylinder's sealing ability without a head on the engine |
-
2014
- 2014-02-24 CN CN201410061886.0A patent/CN103808473B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201028986Y (en) * | 2006-12-28 | 2008-02-27 | 重庆宗申技术开发研究有限公司 | Air-tightness detecting machine for engine cylinder head assembly |
| CN102393279A (en) * | 2011-10-26 | 2012-03-28 | 中国南方航空工业(集团)有限公司 | Device for detecting sealing performance of engine |
| CN203758703U (en) * | 2014-02-24 | 2014-08-06 | 宁波市产品质量监督检验研究院 | Spark plug air leakage measurement apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 摩托车故障诊断台;春兰等;《摩托车技术》;20050630;第48页维修实例312 * |
| 火花塞的维护及应急修复;苏彦成等;《农机使用与维修》;20041231(第6期);第32页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103808473A (en) | 2014-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104048801B (en) | Charge air cooler visual detection pressure testing table | |
| CN202110016U (en) | Underwater separate connector testing device | |
| CN103808473B (en) | A kind of spark plug air leakage measurement mechanism | |
| CN103234714B (en) | A kind of high-capacity dynamical lithium-ion explosion-proof valve leak-testing apparatus and detection method thereof | |
| CN203758703U (en) | Spark plug air leakage measurement apparatus | |
| CN207318010U (en) | A kind of full-automatic ball valve gas measurement equipment | |
| CN203132794U (en) | Pressure sealing testing machine | |
| CN206019949U (en) | Fast accurate tubing leakage point detector | |
| CN102252793B (en) | Testing device of underwater separation connector | |
| CN206847874U (en) | A kind of gas leak detection device of new energy car battery lid | |
| CN206531729U (en) | A kind of special static pressure test apparatus of explosion separation motor shell | |
| CN203719833U (en) | Sealing gasket performance evaluation apparatus | |
| CN204371631U (en) | Engine liquid pump assembly is surveyed and is leaked tool fixture | |
| CN103822766A (en) | Method for detecting leakage of rear oil seal of crankshaft of diesel engine | |
| CN204944779U (en) | A kind of auto parts air tightness checking device | |
| CN103823086B (en) | safety test fixture | |
| CN103376189A (en) | Barrel weld joint leak detector for compressor | |
| CN201945427U (en) | Test device for air tightness of steel drum | |
| CN207395989U (en) | A kind of flange valve sealing test device | |
| CN205300657U (en) | Leakage quantity testing arrangement is let out to ultra -low temperature packing ring | |
| CN107588266B (en) | Non-pressure-reduction opening equipment for pipe fitting | |
| WO2020093903A1 (en) | Automatic current testing and determining apparatus for motor having pin | |
| CN105387975B (en) | Ultralow temperature balanced seal ring leakage test device | |
| CN105424099A (en) | Ultralow-temperature gasket leakage testing device | |
| CN106500923B (en) | A kind of supercapacitor leak detection tool equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 |