CN104792478A - Pneumatic airtightness detection mechanism for exhaust manifolds - Google Patents
Pneumatic airtightness detection mechanism for exhaust manifolds Download PDFInfo
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- CN104792478A CN104792478A CN201510168172.4A CN201510168172A CN104792478A CN 104792478 A CN104792478 A CN 104792478A CN 201510168172 A CN201510168172 A CN 201510168172A CN 104792478 A CN104792478 A CN 104792478A
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- exhaust manifold
- seal
- extrusome
- cylinder
- base
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Abstract
The invention discloses a pneumatic airtightness detection mechanism for exhaust manifolds, comprising a base, a plurality of fixing components, a plurality of sealing components and a detection component. Each fixing component comprises a support and a fixture; the support comprises a body fixed to the base and a telescopic part capable of telescoping relative to the body; the fixture is fixed to the telescopic part. Any sealing component comprises a cylinder fixed to the base, a telescopic rod connected with the cylinder, and a seal plate fixed to one end, far away from the cylinder, of the telescopic rod; the seal plate is in hermetic connection with an orifice of an exhaust manifold. The detection component comprises an air pump, a buffer tank, an intake pipe and a pressure meter; the air pump is communicated with the buffer tank; one end of the intake pipe is communicated with the buffer tank, and the other end thereof penetrates any seal plate and is communicated with the exhaust manifold; the pressure meter is disposed on the intake pipe and is used for detecting interior pressure of the exhaust manifold. The pneumatic airtightness detection mechanism is simple in structure, convenient to operate, high in detection result accuracy and easy to implement and popularize.
Description
Technical field
The invention belongs to exhaust manifold production testing field, particularly, relate to a kind of vapour-pressure type exhaust manifold air-leakage test mechanism.
Background technology
As everyone knows, exhaust manifold is connected with engine cylinder block, the exhaust of each cylinder to be put together and imports exhaust main, is with the pipeline of disagreeing.Therefore, exhaust manifold is a pith of automobile exhaust system, and exhaust manifold is also higher to bubble-tight requirement, and therefore, it is very necessary for carrying out air-leakage test to the exhaust manifold produced.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of vapour-pressure type exhaust manifold air-leakage test mechanism, detects, to ensure the quality of exhaust manifold to the impermeability of exhaust manifold.
The present invention's adopted technical scheme that solves the problem is:
Vapour-pressure type exhaust manifold air-leakage test mechanism, comprise base, some fixation kits, some seal assemblies and detection components, the quantity of described fixation kit, and the quantity of described seal assembly is all consistent with the mouth of pipe quantity of exhaust manifold to be detected, described some fixation kits are the gathering tube of exhaust manifold described in fixed clamp and some arms correspondingly, arbitrary fixation kit comprises support and the fixture for the gathering tube or arm that clamp described exhaust manifold, described support comprises body and can the flexible extrusome of relatively described body, described body one end is fixedly connected with described base, the other end coordinates with described extrusome is sheathed, described extrusome is fixedly connected with described fixture away from one end of described body, the sidewall of described body offers one and runs through threaded hole, run through described in one screw passes threaded hole be held in be sheathed on described intrinsic extrusome sidewall on, thus described extrusome is fixedly connected with described body, described some seal assemblies seal the mouth of pipe of described exhaust manifold correspondingly, arbitrary seal assembly comprises the cylinder be fixedly arranged on base, the expansion link connect with cylinders, and be fixedly arranged on the seal pad of described expansion link away from cylinder one end, described cylinder for drive described expansion link stretch out/or shrink, described seal pad connects with the ferrule of described exhaust manifold, described detection components comprises air pump, surge tank, draft tube and tensimeter, described air pump is all fixedly connected with described base with described surge tank, and described air pump is connected with described surge tank, described draft tube one end is connected with described surge tank, the other end is connected with described exhaust manifold through arbitrary seal pad, described tensimeter is arranged in described draft tube, for detecting the air pressure in described exhaust manifold.
Further, one end of the contiguous described exhaust manifold mouth of pipe of described seal pad is provided with a rubber layer.
To sum up, the invention has the beneficial effects as follows: vapour-pressure type air-leakage test mechanism of the present invention structure is simple, and easy to operate, testing result accuracy is high, easy to implement and popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vapour-pressure type exhaust manifold air-leakage test mechanism shown in present pre-ferred embodiments;
Mark and corresponding parts title in accompanying drawing: vapour-pressure type air-leakage test mechanism 100, gathering tube 101, arm 102, base 10, detection components 40, fixation kit 20, support 21, fixture 22, body 211, extrusome 212, seal assembly 30, cylinder 31, expansion link 32, seal pad 33, air pump 41, surge tank 42, draft tube 43, tensimeter 44.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
Refer to Fig. 1, vapour-pressure type air-leakage test mechanism 100 shown in present pre-ferred embodiments, described vapour-pressure type air-leakage test mechanism 100 is for the air-leakage test of exhaust manifold, and as shown in the figure, exhaust manifold is made up of gathering tube 101 and some arms 102 of being connected with described gathering tube 101.For the structure of exhaust manifold, devise the vapour-pressure type air-leakage test mechanism 100 being applicable to described exhaust manifold, comprise base 10, some fixation kits 20, some seal assemblies 30 and detection components 40.
The quantity of described fixation kit 20 is consistent with the mouth of pipe quantity of described exhaust manifold, the gathering tube 101 of exhaust manifold described in fixed clamp and described some arms 102 correspondingly, arbitrary fixation kit 20 comprises the fixture 22 that one end is fixed on the support 21 on base 10 and is fixed on described support 21, described fixture 22 can be used for clamping described gathering tube 101 or arm 102, described exhaust manifold is made to be fixed in described vapour-pressure type air-leakage test mechanism 100, described support 21 comprises body 211 and can the flexible extrusome 212 of relatively described body 211, described body 211 one end is fixedly connected with described base 10, the other end coordinates with described extrusome 212 is sheathed, described extrusome 212 is fixedly connected with described fixture 22 away from one end of described body 211, described body 211 sidewall offers one and runs through threaded hole (not shown), running through threaded hole described in one screw passes is held on the sidewall of the extrusome 212 be sheathed in described body 211, thus described extrusome 212 is fixedly connected with described body 211.By arranging the adjustable support 21 of described short transverse, make described vapour-pressure type air-leakage test mechanism 100 can adapt to described gathering tube with the exhaust manifold of the spacing differing heights of base 10 and each arm well.
The quantity of described seal assembly 30 is consistent with the mouth of pipe quantity of described exhaust manifold, seal the mouth of pipe of described exhaust manifold correspondingly, arbitrary seal assembly 30 comprises the cylinder 31 be fixedly arranged on base 10, the expansion link 32 be connected with cylinder 31 and is fixedly arranged on the seal pad 33 of described expansion link 32 away from cylinder 31 one end, described cylinder 31 for drive described expansion link 32 stretch out/or shrink, described seal pad 33 is connected with the ferrule of described exhaust manifold, thus makes described exhaust manifold form an airtight cavity.Start cylinder 31, the expansion link 32 that is connected with cylinder 31 is driven to stretch out/or contractile motion, thus that the seal pad 33 being fixed on expansion link 32 one end is done relative to the exhaust manifold mouth of pipe of correspondence is close/or away from motion, thus to realize the sealing/of described exhaust manifold or the object of separating sealing.Be appreciated that one end of the contiguous described exhaust manifold mouth of pipe of described seal pad 33 is provided with a rubber layer (not shown), thus described seal pad 33 is sealed more closely with the described exhaust manifold mouth of pipe.
After the mouth of pipe of described exhaust manifold all seals, can start to carry out air-leakage test to described exhaust manifold.Described detection components 40 comprises air pump 41, surge tank 42, draft tube 43 and tensimeter 44.Described air pump 41 is all fixedly connected with described base 10 with described surge tank 42, and described air pump 41 is connected with described surge tank 42, and described air pump 41 is for inflating to described exhaust manifold.Described draft tube 43 one end is connected with described surge tank 42, and the other end is connected with described exhaust manifold through arbitrary seal pad 33, and described tensimeter 44 is arranged in described draft tube 43, for detecting the air pressure in described exhaust manifold.When starting to detect, booster air pump 41 produces pressed gas, after the gaseous tension fluctuation produced described air pump 41 through surge tank 42 cushions, to be entered in described exhaust manifold by described draft tube 43 thus realize the inflation to described exhaust manifold, in gas replenishment process, staff monitors described tensimeter 44 moment and closes air pump 41 to when reaching default upper pressure limit value, stop inflating described exhaust manifold, after the detection time through presetting, observe the numerical value of tensimeter 44, compare with the low pressure limit value preset again, if the force value that tensimeter 44 indicates is greater than or equal to preset pressure lower limit, then the air-leakage test of described exhaust manifold is qualified, if the force value that tensimeter 44 indicates is lower than preset pressure lower limit, then the air-leakage test of described exhaust manifold is defective.So, the air-leakage test to exhaust manifold is completed.
To sum up, vapour-pressure type air-leakage test mechanism 100 of the present invention structure is simple, and easy to operate, testing result accuracy is high, easy to implement and popularization.
As mentioned above, the present invention can be realized preferably.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention; according to technical spirit of the present invention; within the spirit and principles in the present invention; the any simple amendment that above embodiment is done, equivalently replace and improve, within the protection domain all still belonging to technical solution of the present invention.
Claims (2)
1. vapour-pressure type exhaust manifold air-leakage test mechanism, it is characterized in that, comprise base, some fixation kits, some seal assemblies and detection components, the quantity of described fixation kit, and the quantity of described seal assembly is all consistent with the mouth of pipe quantity of exhaust manifold to be detected, described some fixation kits are the gathering tube of exhaust manifold described in fixed clamp and some arms correspondingly, arbitrary fixation kit comprises support and the fixture for the gathering tube or arm that clamp described exhaust manifold, described support comprises body and can the flexible extrusome of relatively described body, described body one end is fixedly connected with described base, the other end coordinates with described extrusome is sheathed, described extrusome is fixedly connected with described fixture away from one end of described body, the sidewall of described body offers one and runs through threaded hole, run through described in one screw passes threaded hole be held in be sheathed on described intrinsic extrusome sidewall on, thus described extrusome is fixedly connected with described body, described some seal assemblies seal the mouth of pipe of described exhaust manifold correspondingly, arbitrary seal assembly comprises the cylinder be fixedly arranged on base, the expansion link connect with cylinders, and be fixedly arranged on the seal pad of described expansion link away from cylinder one end, described cylinder for drive described expansion link stretch out/or shrink, described seal pad connects with the ferrule of described exhaust manifold, described detection components comprises air pump, surge tank, draft tube and tensimeter, described air pump is all fixedly connected with described base with described surge tank, and described air pump is connected with described surge tank, described draft tube one end is connected with described surge tank, the other end is connected with described exhaust manifold through arbitrary seal pad, described tensimeter is arranged in described draft tube, for detecting the air pressure in described exhaust manifold.
2. vapour-pressure type exhaust manifold air-leakage test mechanism according to claim 1, is characterized in that, one end of the contiguous described exhaust manifold mouth of pipe of described seal pad is provided with a rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168172.4A CN104792478A (en) | 2015-04-11 | 2015-04-11 | Pneumatic airtightness detection mechanism for exhaust manifolds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168172.4A CN104792478A (en) | 2015-04-11 | 2015-04-11 | Pneumatic airtightness detection mechanism for exhaust manifolds |
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| Publication Number | Publication Date |
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| CN104792478A true CN104792478A (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168172.4A Pending CN104792478A (en) | 2015-04-11 | 2015-04-11 | Pneumatic airtightness detection mechanism for exhaust manifolds |
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| CN (1) | CN104792478A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929011A (en) * | 2020-08-19 | 2020-11-13 | 无锡市新莱珂机械有限公司 | Airtight seal tester and filter inlet mechanism and pipe fitting detection clamping mechanism thereof |
| CN112964424A (en) * | 2021-02-01 | 2021-06-15 | 江西樟树市福铃内燃机配件有限公司 | Pipeline damage detection equipment for internal combustion engine exhaust manifold |
| CN113607337A (en) * | 2021-06-29 | 2021-11-05 | 帕萨思汽车零部件（苏州）有限公司 | Car pipeline gas tightness check out test set |
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| JPH04305136A (en) * | 1991-04-02 | 1992-10-28 | Honda Motor Co Ltd | Pressure leakage inspector for valve |
| CN201464127U (en) * | 2009-06-15 | 2010-05-12 | 河南省西峡汽车水泵股份有限公司 | Exhaust manifold leakage test device |
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| CN204575275U (en) * | 2015-04-11 | 2015-08-19 | 成都陵川特种工业有限责任公司 | Exhaust manifold air-leakage detector |
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2015
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| JPH04305136A (en) * | 1991-04-02 | 1992-10-28 | Honda Motor Co Ltd | Pressure leakage inspector for valve |
| CN201464127U (en) * | 2009-06-15 | 2010-05-12 | 河南省西峡汽车水泵股份有限公司 | Exhaust manifold leakage test device |
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| CN202008429U (en) * | 2011-03-07 | 2011-10-12 | 青岛华涛汽车模具有限公司 | Air tightness detector |
| CN203132804U (en) * | 2013-02-05 | 2013-08-14 | 柳州恒耀汽车零部件有限公司 | Exhaust-manifold intelligent leakage-detection marking machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929011A (en) * | 2020-08-19 | 2020-11-13 | 无锡市新莱珂机械有限公司 | Airtight seal tester and filter inlet mechanism and pipe fitting detection clamping mechanism thereof |
| CN112964424A (en) * | 2021-02-01 | 2021-06-15 | 江西樟树市福铃内燃机配件有限公司 | Pipeline damage detection equipment for internal combustion engine exhaust manifold |
| CN113607337A (en) * | 2021-06-29 | 2021-11-05 | 帕萨思汽车零部件（苏州）有限公司 | Car pipeline gas tightness check out test set |
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Application publication date: 20150722 |