CN2409508Y - Sealing measurer for air valve of IC engine - Google Patents
Sealing measurer for air valve of IC engine Download PDFInfo
- Publication number
- CN2409508Y CN2409508Y CN 99252267 CN99252267U CN2409508Y CN 2409508 Y CN2409508 Y CN 2409508Y CN 99252267 CN99252267 CN 99252267 CN 99252267 U CN99252267 U CN 99252267U CN 2409508 Y CN2409508 Y CN 2409508Y
- Authority
- CN
- China
- Prior art keywords
- duct
- valve
- air
- sealing
- gas dome
- 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
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a sealing measurer for an air valve of an IC engine. Compressed air is led into a pore canal on a pressure plate which is tightly attached to the bottom plane of a cylinder cover and an elastic space block via an air gage. The pore canal is communicated with an air storing chamber in the elastic space block and upper and lower pore canals of the air storing chamber. Thus, the compressed air directly arrives and acts at the sealing surface of an air valve, and the sealing performance of the air valve needs to be measured. According to a pneumatic principle, a pneumatic gage directly reads out gas leakage quantity value. The utility model has the advantages of low cost, convenient operation, and high measuring precision. Thus, the assembly quality and the work performance of the complete machine of the internal combustion engine are ensured.
Description
The utility model relates to a kind of engine valve sealing measurement mechanism.
The sealing of engine valve (comprising inlet valve and exhaust valve) directly influences the internal combustion engine operate as normal, particularly because of poor sealing causes gas leakage, the internal combustion engine output power is obviously descended.For this reason, the technical requirement of Modern Internal-Combustion Engine must detect valve sealing before the assembling, if gas leakage just must be reprocessed.At present,, adopt artificial visually examine's method, check whether the contact patch of sealing surface after grinding mutually of valve and valve seating be evenly continuous the detection of valve sealing.This method, fatal defective are that labour intensity is big, inefficiency, and conclusion is unreliable.
The purpose of this utility model provides air measuring device a kind of simple in structure, easy to use, and it can replace traditional manual detection method, accurately measures the valve sealing degree, and can increase work efficiency and sealing.
The utility model is to realize like this, a kind of engine valve plugging meter device, comprise cylinder head, valve seating, be installed in the valve on the valve seating of cylinder head baseplane, it is characterized in that flexible cushion block and pressing plate above the valve seating of cylinder head baseplane, be equipped with on the pressing plate and add air cylinder, have the duct in the briquetting, have gas dome in the cushion block, the gas dome two ends have up and down duct, and last duct links to each other with duct in the briquetting, following duct is corresponding to valve, the external air-gauge in duct in the briquetting.
Its principle of work is that the elastic cushion block that rubber or other elastic deformation material make is installed on needs detect the combustion engine cylinder head baseplane of valve sealing, make elastic cushion block and cylinder head baseplane keep being close to sealing by pressing plate, through hole on pressurized air process air-gauge importing pressing plate and cushion block, behind gas dome, arrive and when acting on the sealing surface place of valve and valve seating, by the reading on the air-gauge, just can measure the gas leakage degree of sealing surface of air valve, thereby guarantee the assembly quality and the complete machine performance of internal combustion engine.
Fig. 1 is an engine valve sealing air measuring device synoptic diagram.
Among the figure: 1 is pressing plate, and 2 is elastic cushion block, and 3 for adding air cylinder, and 4 is push rod, and 5 is locating sleeve, 6 is the duct, and 7 is air-gauge, and 8 is gas dome, and 9 are following duct, and 10 is valve, 11 is valve seating, and 12 is cylinder head, and 13 is last duct, and 14 is sealing surface of air valve, and 15 is the cylinder head baseplane.
Concrete structure of the present utility model is provided by following drawings and Examples.
As shown in Figure 1, valve 10 is installed on the valve seating 11 on the cylinder head 12.Promotion push rods 4 were close to pressing plate 1 and elastic cushion block 2 (as rubber) after pressurized air entered and adds air cylinder 3 with 15 sealings of cylinder head baseplane.Another road pressurized air process air-gauge 7 enters the duct 6 in the pressing plate 1, locate with locating sleeve 5 between pressing plate 1 and the elastic cushion block 2, have gas dome 8 in the cushion block 2, the gas dome two ends have upper and lower duct 13,9, the duct 6 that last duct 13 is passed in locating sleeve 5 and the briquetting 1 links to each other, following duct 9 behind the duct 6 in the pressurized air perforation pressing plate 1 and the last duct 13 of elastic cushion block 2, arrives gas dome 8 and following duct 9 corresponding to valve 10.The slightly larger in diameter in following duct 9 is in the diameter of measured valve 10.Because after pressurized air arrived sealing surface of air valve 14, the reading of air-gauge 7 just reflected this place's air leakage.Duct 13 on the gas dome, gas dome 8, duct 9 is concentric with measured valve 10 down, and last duct 13, gas dome 8, time duct 9 can be one or more.
Test shows, because after this measurement mechanism imports gas dome by pressurized air, stepless action is directly read the sealing quantized value in the sealing surface of air valve place of need detection sealing from air-gauge, and cost is low, easy to operate, precision is high, fireballing remarkable result so have.
Claims (3)
1. engine valve plugging meter device, comprise cylinder head, valve seating, be installed in the valve on the valve seating of cylinder head baseplane, it is characterized in that flexible cushion block and pressing plate above the valve seating of cylinder head baseplane, be equipped with on the pressing plate and add air cylinder, have the duct in the briquetting, have gas dome in the cushion block, the gas dome two ends have duct up and down, last duct links to each other with duct in the briquetting, and following duct is corresponding to valve, the external air-gauge in duct in the briquetting.
2. engine valve plugging meter device according to claim 1 is characterized in that between briquetting and the cushion block with the locating sleeve location, and the duct is passed locating sleeve and linked to each other with duct in the briquetting on the gas dome, and the slightly larger in diameter in duct is in the diameter of valve under the gas dome.
3. engine valve plugging meter device according to claim 1 and 2 is characterized in that running through on the gas dome of pressing plate and cushion block that the duct can be one or more under duct, gas dome, the gas dome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99252267 CN2409508Y (en) | 1999-12-28 | 1999-12-28 | Sealing measurer for air valve of IC engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99252267 CN2409508Y (en) | 1999-12-28 | 1999-12-28 | Sealing measurer for air valve of IC engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2409508Y true CN2409508Y (en) | 2000-12-06 |
Family
ID=34036547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99252267 Expired - Fee Related CN2409508Y (en) | 1999-12-28 | 1999-12-28 | Sealing measurer for air valve of IC engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2409508Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696662B (en) * | 2009-09-08 | 2012-07-11 | 上海明兴开城超音波科技有限公司 | Automobile engine cylinder head with complex shape and device for detecting flaws and leakage of tightness of automobile engine cylinder head with complex shape |
| CN103837309A (en) * | 2014-03-26 | 2014-06-04 | 零八一电子集团四川天源机械有限公司 | Air valve sealing performance automatic checking device |
-
1999
- 1999-12-28 CN CN 99252267 patent/CN2409508Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696662B (en) * | 2009-09-08 | 2012-07-11 | 上海明兴开城超音波科技有限公司 | Automobile engine cylinder head with complex shape and device for detecting flaws and leakage of tightness of automobile engine cylinder head with complex shape |
| CN103837309A (en) * | 2014-03-26 | 2014-06-04 | 零八一电子集团四川天源机械有限公司 | Air valve sealing performance automatic checking device |
| CN103837309B (en) * | 2014-03-26 | 2016-10-12 | 零八一电子集团四川天源机械有限公司 | Valve sealing performance automatic checking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |