CN204575281U - Stifled tight device after cylinder cap air-leakage detector - Google Patents
Stifled tight device after cylinder cap air-leakage detector Download PDFInfo
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- CN204575281U CN204575281U CN201520211784.2U CN201520211784U CN204575281U CN 204575281 U CN204575281 U CN 204575281U CN 201520211784 U CN201520211784 U CN 201520211784U CN 204575281 U CN204575281 U CN 204575281U
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- plug
- cylinder cap
- air cavity
- air
- reversal valve
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Abstract
The utility model relates to cylinder cap air-leakage test field, is specifically related to hold down gag after a kind of cylinder cap air-leakage detector.Comprise multiplex plug, air cavity, tracheae, reversal valve, cylinder, whole apparatus structure is simple, adopt the connected mode of a tracheae, a switch, an air cavity, a plug, corresponding plug is selected according to the size of cylinder cap metapore, corresponding air cavity and open corresponding tracheae, air pressure, by reversal valve, is entering air cavity through tracheae, air pressure promotes plug after entering air cavity, arrives the object of stifled tight different cylinder cap metapore.
Description
Technical field
The utility model relates to cylinder cap air-leakage test field, stifled tight device after being specifically related to a kind of cylinder cap air-leakage detector.
Background technology
The cylinder cap of engine has very strict requirement to impermeability, before dispatching from the factory, all need to test impermeability parameter, functional, the product of passed examination just can dispatch from the factory sale, for detecting the impermeability of cylinder cap, usual employing dry-type encapsulated property inspection technique, is positioned on worktable by cylinder cap, is blocked in the hole on cylinder cap, to cylinder cap ventilation, pass into by observation the sealing that difference that gas stablizes rear air pressure and input air pressure detects cylinder cap.
For cylinder head bore is blocked, usual employing cylinder promotes the compression mode of plug, there is a hole in the backsight face of cylinder cap, but different cylinder head bore is not of uniform size, if the hole according to different size arranges corresponding plug respectively, dismounting is needed when changing inspection, waste time and energy, if directly use the plug of large size, because the backsight face of cylinder cap is rough, gap can be produced between plug and hole, be unfavorable for the stifled tight effect of plug, impact detects accuracy, particularly small size hole, block up with large size plug, because backsight face is uneven, large size plug has no stifled tight effect especially, do not reach Detection results.
Utility model content
The purpose of this utility model is to provide a kind of adjustable, stifled tight device after accurately blocking up the cylinder cap air-leakage detector of position.
For reaching above-mentioned purpose, the technical solution of the utility model is: stifled tight device after providing cylinder cap air-leakage detector, this device is located on worktable, comprise cylinder, reversal valve, connect shell, air cavity, multiplex plug, one end of reversal valve is connected with the piston rod of cylinder, the other end of reversal valve be connected shell and connect, connect shell to be connected with air cavity and to arrange, air cavity is connected with multiplex plug again, multiplex plug is by little plug, middle plug, large plug composition, little plug is located at the innermost layer of multiplex plug and is column type, the laminating of middle plug is located at the outside surface of little plug and is the column type of hollow, the laminating of large plug is arranged on the outside surface of middle plug and is the column type of hollow, connect in shell and be provided with three tracheaes, every root tracheae is equipped with switch, air cavity comprises the inner chamber corresponding with little plug, the lumen corresponding with middle plug, the exocoel corresponding with large plug, the inner chamber of air cavity, lumen, exocoel is connected with reversal valve respectively by three tracheaes.
Adopt such scheme, the gas of cylinder enters reversal valve by piston rod, and at air cavity of being entered by tracheae, the gas in air cavity promotes plug, and then reaches the object of stifled tight cylinder cap metapore.Multiplex plug is made up of little plug, middle plug, large plug, little plug is located at the innermost layer of multiplex plug and is column type, the laminating of middle plug is located at the outside surface of little plug and is the column type of hollow, the laminating of large plug is arranged on the outside surface of middle plug and is the column type of hollow, promote little plug during stifled aperture tight for hole to be blocked, during stifled mesopore, promote little plug and middle plug simultaneously, during stifled macropore, promote little plug, middle plug, large plug, knockdown plug can meet the demand blocking different cylinder cap metapore simultaneously; Connect shell and play the effect connecting air cavity and reversal valve, connect in shell and be provided with three tracheaes, connect shell and also can protect tracheae; Air cavity comprises the inner chamber corresponding with little plug, the lumen corresponding with middle plug, the exocoel corresponding with large plug, the inner chamber of air cavity, lumen, exocoel are connected with reversal valve respectively by three tracheaes, gas in reversal valve enters inner chamber, lumen, exocoel respectively along three tracheaes, arranging of air cavity can cushion endotracheal air pressure, make the air pressure that acts on multiplex plug even, more be conducive to stifled tight, tracheae is provided with switch, can control the ventilatory conditions of tracheae; Open the tracheae that inner chamber is corresponding, air pressure enters inner chamber, promotes little plug, stifled aperture, open the tracheae of inner chamber and lumen difference correspondence, air pressure then enters inner chamber and lumen, promotes little plug and middle plug, stifled mesopore, in like manner, open three switches, air pressure then promotes large, medium and small three plugs simultaneously, thus reaches the object of stifled tight macropore.
Whole apparatus structure is simple, adopt the connected mode of a tracheae, a switch, an air cavity, a plug, corresponding plug is selected according to the size of cylinder cap metapore, corresponding air cavity and open corresponding tracheae, air pressure passes through reversal valve, entering air cavity through tracheae, air pressure promotes plug after entering air cavity, arrives the object of stifled tight different cylinder cap metapore.
Further, the periphery of described little plug, middle plug, large plug is all provided with caulking gum, caulking gum be arranged so that little plug and middle plug, little plug, middle plug and large plug with the use of in, can not from the gap gas leakage between plug during airtight test, sealing effectiveness is better, stifled tight better effects if.
Further, the plug-hole end of described multiplex plug is provided with silicon rubber cup, and the material of silica gel makes multiplex plug plug-hole tighter, and during detection, plug place can not leak gas, and reaches the Detection results of expection.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of hold down gag embodiment after the utility model cylinder cap air-leakage detector;
Fig. 2 is the left schematic diagram of multiplex plug in Fig. 1;
Cylinder 1, reversal valve 2, tracheae 3, switch 4, connects shell 5, air cavity 6, multiplex plug 7, silicon rubber cup 8, little plug 71, middle plug 72, large plug 73.
Embodiment
As Fig. 1, shown in Fig. 2, the utility model is stifled tight device after providing cylinder cap air-leakage detector, this device is arranged on the table, comprise cylinder 1, reversal valve 2, connect shell 5, air cavity 6, multiplex plug 7, one end of reversal valve 2 is connected with the piston rod of cylinder 1, the other end of reversal valve 2 be connected shell 5 and connect, connect shell 5 to be connected with air cavity 6 and to arrange, air cavity 6 is connected with multiplex plug 7 again, the plug-hole end of multiplex plug 7 is provided with silicon rubber cup 8, multiplex plug 7 is by little plug 71, middle plug 72, large plug 73 forms, little plug 71 is located at the innermost layer of multiplex plug 7 and is column type, the laminating of middle plug 72 is located at the outside surface of little plug 71 and is the column type of hollow, the laminating of large plug 73 is arranged on the outside surface of middle plug 72 and is the column type of hollow, little plug 71, middle plug 72, the periphery of large plug 73 is all provided with caulking gum, connect in shell 5 and be provided with three tracheaes 3, every root tracheae 3 is equipped with switch 4, air cavity 6 comprises the inner chamber corresponding with little plug 71, the lumen corresponding with middle plug 72, the exocoel corresponding with large plug 73, the inner chamber of air cavity 6, lumen, exocoel is connected with reversal valve 5 respectively by three tracheaes 3.
When need to block up tight cylinder cap metapore be aperture, open the switch 4 of the tracheae 3 aiming at inner chamber, start cylinder 1, namely air pressure enter reversal valve 2 by gas 1 cylinder, entering inner chamber through tracheae 3, and the air pressure entering inner chamber promotes little plug 71, plays stifled tight effect.When need to block up tight cylinder cap metapore be mesopore, the switch 4 of the switch 4 opening the tracheae 3 aiming at inner chamber and the tracheae 3 aiming at lumen, start cylinder 1, namely air pressure enter reversal valve 2 by cylinder 1, air pressure is entering inner chamber and lumen respectively through two tracheaes 3, the air pressure entering inner chamber promotes little plug 71, enters plug 72 in the air pressure promotion of lumen, coordinates by little plug 71 and middle plug 72 mesopore carried out after stifled tight cylinder cap.When need to block up tight cylinder cap metapore be macropore, open three switches 4 on tracheae 3, start cylinder 1, namely air pressure enter reversal valve 2 by cylinder 1, air pressure is entering inner chamber, lumen and exocoel respectively through three tracheaes 3, and the air pressure entering inner chamber promotes little plug 71, enters plug 72 in the air pressure promotion of lumen, the air pressure entering exocoel promotes large plug 73, carries out the macropore after stifled tight cylinder cap by the cooperation of little plug 71, middle plug 72 and large plug 73.
Compared with prior art, the utility model structure is simple, adopt a tracheae 3, switch 4, air cavity 6, multiplex plug 7 to carry out connection to arrange, select corresponding multiplex plug 7, corresponding air cavity 6 according to the size of cylinder cap metapore and open corresponding tracheae, air pressure is by reversal valve 2, enter air cavity through tracheae again, air pressure promotes multiplex plug after entering air cavity 6, reaches the object of stifled tight different cylinder cap metapore.
Above-described is only preferred implementation of the present utility model, should be understood that for a person skilled in the art, under the prerequisite not departing from the utility model structure, can also make some distortion and improvement, these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (3)
1. stifled tight device after cylinder cap air-leakage detector, described device is located on worktable, comprise cylinder (1), it is characterized in that: also comprise reversal valve (2), connect shell (5), air cavity (6), multiplex plug (7), one end of reversal valve (2) is connected with the piston rod of cylinder (1), the other end of reversal valve (2) be connected shell (5) and connect, connect shell (5) to be connected with air cavity (6) and to arrange, air cavity (6) is connected with multiplex plug (7) again, described multiplex plug (7) is by little plug (71), middle plug (72), large plug (73) forms, little plug (71) is located at the innermost layer of multiplex plug (7) and is column type, middle plug (72) laminating is located at the outside surface of little plug (71) and is the column type of hollow, large plug (73) laminating is arranged on the outside surface of middle plug (72) and is the column type of hollow, three tracheaes (3) are provided with in described connection shell (5), every root tracheae (3) is equipped with switch (4), described air cavity (6) comprises the inner chamber corresponding with little plug (71), the lumen corresponding with middle plug (72), the exocoel corresponding with large plug (73), the inner chamber of air cavity (6), lumen, exocoel is connected with reversal valve (5) respectively by three tracheaes (3).
2. stifled tight device after cylinder cap air-leakage detector according to claim 1, is characterized in that: the periphery of described little plug (71), middle plug (72), large plug (73) is all provided with caulking gum.
3. stifled tight device after cylinder cap air-leakage detector according to claim 1, is characterized in that: the plug-hole end of described multiplex plug (7) is provided with silicon rubber cup (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211784.2U CN204575281U (en) | 2015-04-10 | 2015-04-10 | Stifled tight device after cylinder cap air-leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211784.2U CN204575281U (en) | 2015-04-10 | 2015-04-10 | Stifled tight device after cylinder cap air-leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575281U true CN204575281U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520211784.2U Expired - Fee Related CN204575281U (en) | 2015-04-10 | 2015-04-10 | Stifled tight device after cylinder cap air-leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204575281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110325729A (en) * | 2017-04-26 | 2019-10-11 | 三樱工业株式会社 | Airtight bolt |
-
2015
- 2015-04-10 CN CN201520211784.2U patent/CN204575281U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110325729A (en) * | 2017-04-26 | 2019-10-11 | 三樱工业株式会社 | Airtight bolt |
| CN110325729B (en) * | 2017-04-26 | 2021-11-23 | 三樱工业株式会社 | Airtight plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |