CN203362290U - Device for checking air tightness of exhaust manifold - Google Patents

Device for checking air tightness of exhaust manifold Download PDF

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Publication number
CN203362290U
CN203362290U CN 201320447736 CN201320447736U CN203362290U CN 203362290 U CN203362290 U CN 203362290U CN 201320447736 CN201320447736 CN 201320447736 CN 201320447736 U CN201320447736 U CN 201320447736U CN 203362290 U CN203362290 U CN 203362290U
Authority
CN
China
Prior art keywords
exhaust manifold
cylinder
gas exhaust
pressure release
checking
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
Application number
CN 201320447736
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Chinese (zh)
Inventor
汪庭文
叶维敏
张军
何晓鸣
杨军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Lingchuan Special Industry Co Ltd
Original Assignee
Chengdu Lingchuan Special Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Lingchuan Special Industry Co Ltd filed Critical Chengdu Lingchuan Special Industry Co Ltd
Priority to CN 201320447736 priority Critical patent/CN203362290U/en
Application granted granted Critical
Publication of CN203362290U publication Critical patent/CN203362290U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a device for checking the air tightness of an exhaust manifold. The device comprises a cylinder connecting plate sealing block and an exhaust header pipe sealing block; the cylinder connecting plate sealing block comprises a liner plate (1), at least two fastening bolts (2) fixedly connected to the upper surface of the liner plate (1), and a sealing pad (3) arranged on the upper surface of the liner plate (1); the exhaust header pipe sealing block comprises a connecting seat, a header pipe interface (10), an air inlet pipe (9) and a cylinder (7); the connecting seat comprises a web plate (8), two wing plates (5) and two bayonet seats (4). The device disclosed by the utility model is simple in structure, the exhaust header pipe sealing block and the exhaust manifold are fast and convenient to fix and separate, and therefore, the device is beneficial to reduction of the air tightness checking difficulty of the exhaust manifold and improvement of the checking efficiency.

Description

For checking the bubble-tight device of gas exhaust manifold
Technical field
The utility model relates to gas exhaust manifold Inspection equipment field, particularly relates to a kind of for checking the bubble-tight device of gas exhaust manifold.
Background technique
Gas exhaust manifold, be connected with engine cylinder, the exhaust of each cylinder put together and imports exhaust manifold, pipeline that band is disagreed.On market, the ternary catalyzing unit of most of motor all is encapsulated in gas exhaust manifold; if the gas exhaust manifold generation leakage phenomenon after encapsulation; the waste gas of motor discharge does not singly pollute vehicle body; whole waste gas treatment effect is had a huge impact simultaneously; when being unfavorable for environmental protection, also can cause a series of deterioration consequences such as delivery temperature height and the reduction of catalyst converter life-span.
After the gas exhaust manifold each several part is made and has been spliced, before dispatching from the factory, all need to detect through tightness, in prior art, but the choice for use defect-detecting equipment is detected a flaw or utilizes aerostatic press to pass into pressurized air in gas exhaust manifold each road weld seam of gas exhaust manifold, observe exhaust manifold pressure after certain hour and fall to judge whether good seal of gas exhaust manifold, but these two kinds of methods exist respectively to operator's level of skill require high, operator are existed to radiation injury risk and the long shortcoming of needed time.
The model utility content
For above-mentioned in checking gas exhaust manifold tightness process, use defect-detecting equipment exist to operator's level of skill require high, there is the radiation injury risk in operator and uses aerostatic press to have long problem Check-Out Time, it is a kind of for checking the bubble-tight device of gas exhaust manifold that the utility model provides.
For achieving the above object, the utility model provide for checking that the bubble-tight device of gas exhaust manifold solves problem by following technological points: for checking the bubble-tight device of gas exhaust manifold, comprise cylinder connecting plate sealing block and exhaust manifold sealing block, described cylinder connecting plate sealing block comprises: backing plate, at least two sealing gaskets that are fixedly connected on the tight fixed bolt of described backing plate upper surface and are arranged on described backing plate upper surface, described exhaust manifold sealing block comprises: connecting base, total interface tube, suction tude and cylinder, described connecting base comprises web, two blocks of wing plates and two bayonet mounts, one end of two blocks of described wing plates is fixedly connected on respectively an end of web, the other end of two blocks of described wing plates is fixedly connected with an end of a bayonet mount respectively, described cylinder block is fixedly connected on the central authorities of web, the piston rod end of described cylinder is fixedly connected with total interface tube one end, the other end of described total interface tube is provided with cavity, also be provided with the runner that two ends communicate with outer wall and cavity respectively in total interface tube, described suction tude is fixedly connected on place, total interface tube runner hole, and communicate with runner.
The tight fixed bolt arranged is for being used in conjunction with gas exhaust manifold upper cylinder connecting plate connecting bolt through hole, cylinder connecting plate and cylinder connecting plate sealing block are fixed together, and the sealing gasket of setting is conducive to the sealability of cylinder connecting plate and cylinder connecting plate sealing block junction surface, a side contacts by gas exhaust manifold house steward adpting flange away from end face and the close web of bayonet mount of gas exhaust manifold outlet, now in cylinder, pass into pressurized air, piston rod drives total interface tube and exports motion to the gas exhaust manifold house steward, final cylinder is applied to active force on web and exhaust manifold interface and realizes exhaust manifold sealing block and the locking of gas exhaust manifold and total docking of interface tube and exhaust manifold, now by suction tude, in gas exhaust manifold, pass into pressurized air, again the connecting body of the utility model and gas exhaust manifold is put into to water, whether observe has bubble to emerge, whether the gas exhaust manifold tightness that just can well react in inspection is good.
Preferably, also comprise seal ring, described seal ring is arranged on the end face that total interface tube is provided with the cavity end.
The seal ring arranged is conducive to guarantee the excellent sealing of junction surface between total interface tube and exhaust manifold.
Preferably, also comprise the pressure release bolt, also be provided with the pressure release bolt interior threaded hole supporting with the pressure release bolt thread on described lower tooth seat, described pressure release bolt interior threaded hole communicates with described runner, and described pressure release bolt becomes to be threaded with pressure release bolt interior threaded hole.
After the gas exhaust manifold airtight test completes, due to the pressure in gas exhaust manifold higher than external atmosphere pressure, operator directly dismantle exhaust manifold sealing block or cylinder connecting plate sealing block, suddenly the pressurized air overflowed may will blow to operator as iron filings, welding slag or other impurity, affect operator's job safety, the pressure release bolt that absent-mindedness or dismounting arrange after detection completes, fixed point is unloaded the pressurized air in rafting gas manifold, is conducive to safety in production.
Preferably, the screw thread of the screw thread on described pressure release bolt and pressure release bolt interior threaded hole is pipe thread.
Pipe thread has better sealability than regular screw threads, is arranged to pipe thread and is conducive to more easily accomplish that leaking does not appear in pressure release bolt place in testing process.
Preferably, the material of described sealing gasket and seal ring is rubber.
Because the pressure that the gas exhaust manifold airtight test uses is little, and rubber has elasticity preferably, adopts quality of rubber materials as sealing material, can under less impacting force, obtain good sealing effect.
Further, described cylinder is the single-cylinder single-acting cylinder.
To the cylinder air feed time, the cylinder piston rod Shen goes out, and produces the power that is fixed and clamped, during to cylinder exhaust, piston resilience under the effect of spring, piston rod retraction, the interaction force of total interface tube and gas exhaust manifold removes, and adopts the cylinder simple, that cost is low to complete required function.
The utlity model has following beneficial effect:
This use new structure is simple, manufacturing is easy, check in gas exhaust manifold tightness process, exhaust manifold sealing block and exhaust manifold are fixing short with convenient separation and elapsed time, after passing into pressurized air to gas exhaust manifold, whole connecting body is inserted to the gas exhaust manifold tightness that just can differentiate clearly in detection in water whether good, existing defect-detecting equipment and the aerostatic press of utilizing, have advantages of that simple to operate, result reflects obviously, checks that elapsed time is short, is conducive to simplify gas exhaust manifold airtight test difficulty and improves checking efficiency.
The accompanying drawing explanation
Fig. 1 is described in the utility model for checking the structural representation of a specific embodiment of the bubble-tight device of gas exhaust manifold.
Figure acceptance of the bid note is respectively: 1, lower bolster, 2, tight fixed bolt, 3, sealing gasket, 4, bayonet mount, 5, wing plate, 6, the pressure release bolt, 7, cylinder, 8, web, 9, suction tude, 10, total interface tube, 11, seal ring.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples:
Embodiment 1:
As Fig. 1, for checking the bubble-tight device of gas exhaust manifold, comprise cylinder connecting plate sealing block and exhaust manifold sealing block, described cylinder connecting plate sealing block comprises: backing plate 1, at least two sealing gaskets 3 that are fixedly connected on the tight fixed bolt 2 of described backing plate 1 upper surface and are arranged on described backing plate 1 upper surface, described exhaust manifold sealing block comprises: connecting base, total interface tube 10, suction tude 9 and cylinder 7, described connecting base comprises web 8, two blocks of wing plates 5 and two bayonet mounts 4, one end of two blocks of described wing plates 5 is fixedly connected on respectively an end of web 8, the other end of two blocks of described wing plates 5 is fixedly connected with an end of a bayonet mount 4 respectively, described cylinder 7 cylinder bodies are fixedly connected on the central authorities of web 8, the piston rod end of described cylinder 7 is fixedly connected with total interface tube 10 1 ends, the other end of described total interface tube 10 is provided with cavity, also be provided with the runner that two ends communicate with outer wall and cavity respectively in total interface tube 10, described suction tude 9 is fixedly connected on total interface tube 10 places, runner hole, and communicate with runner.
The tight fixed bolt 2 arranged is for being used in conjunction with gas exhaust manifold upper cylinder connecting plate connecting bolt through hole, cylinder connecting plate and cylinder connecting plate sealing block are fixed together, and the sealing gasket 3 of setting is conducive to the sealability of cylinder connecting plate and cylinder connecting plate sealing block junction surface, a side contacts by gas exhaust manifold house steward adpting flange away from end face and the bayonet mount 4 close webs 8 of gas exhaust manifold outlet, now in cylinder 7, pass into pressurized air, piston rod drives total interface tube 10 and exports motion to the gas exhaust manifold house steward, final cylinder 7 is applied to active force on web 8 and exhaust manifold interface and realizes exhaust manifold sealing block and the locking of gas exhaust manifold and total docking of interface tube 10 and exhaust manifold, now by suction tude 9, in gas exhaust manifold, pass into pressurized air, again the connecting body of the utility model and gas exhaust manifold is put into to water, whether observe has bubble to emerge, whether the gas exhaust manifold tightness that just can well react in inspection is good.
Embodiment 2:
The present embodiment is further improved on embodiment 1 basis, as Fig. 1, also comprises seal ring 11, and described seal ring 11 is arranged on total interface tube 10 and is provided with on the end face of cavity end.
The material of described sealing gasket 3 and seal ring 11 is rubber.
Also comprise pressure release bolt 6, also be provided with the pressure release bolt interior threaded hole supporting with pressure release bolt 6 screw threads on described total interface tube 10, described pressure release bolt interior threaded hole communicates with described runner, and described pressure release bolt 6 becomes to be threaded with pressure release bolt interior threaded hole.
The screw thread of the screw thread on described pressure release bolt 6 and pressure release bolt interior threaded hole is pipe thread.
Described cylinder 7 is the single-cylinder single-acting cylinder.
The seal ring 11 arranged is conducive to guarantee the excellent sealing of junction surface between total interface tube 10 and exhaust manifold.
After the gas exhaust manifold airtight test completes, due to the pressure in gas exhaust manifold higher than external atmosphere pressure, operator directly dismantle exhaust manifold sealing block or cylinder connecting plate sealing block, suddenly the pressurized air overflowed may will blow to operator as iron filings, welding slag or other impurity, affect operator's job safety, the pressure release bolt 6 that absent-mindedness or dismounting arrange after detection completes, fixed point is unloaded the pressurized air in rafting gas manifold, is conducive to safety in production.
Pipe thread has better sealability than regular screw threads, is arranged to pipe thread and is conducive to more easily accomplish that leaking does not appear in pressure release bolt 6 places in testing process.
Because the pressure that the gas exhaust manifold airtight test uses is little, and rubber has elasticity preferably, adopts quality of rubber materials as sealing material, can under less impacting force, obtain good sealing effect.
To cylinder 7 air feed the time, cylinder 7 piston rod Shens go out, and produce the power that is fixed and clamped, during to cylinder 7 exhaust, piston resilience under the effect of spring, piston rod retraction, total interface tube 10 removes with the interaction force of gas exhaust manifold, adopts the cylinder simple, that cost is low to complete required function.

Claims (6)

1. for checking the bubble-tight device of gas exhaust manifold, it is characterized in that, comprise cylinder connecting plate sealing block and exhaust manifold sealing block, described cylinder connecting plate sealing block comprises: backing plate (1), at least two sealing gaskets (3) that are fixedly connected on the tight fixed bolt (2) of described backing plate (1) upper surface and are arranged on described backing plate (1) upper surface, described exhaust manifold sealing block comprises: connecting base, total interface tube (10), suction tude (9) and cylinder (7), described connecting base comprises web (8), two blocks of wing plates (5) and two bayonet mounts (4), one end of two blocks of described wing plates (5) is fixedly connected on respectively an end of web (8), the other end of two blocks of described wing plates (5) is fixedly connected with an end of a bayonet mount (4) respectively, described cylinder (7) cylinder body is fixedly connected on the central authorities of web (8), the piston rod end of described cylinder (7) is fixedly connected with total interface tube (10) one ends, the other end of described total interface tube (10) is provided with cavity, also be provided with the runner that two ends communicate with outer wall and cavity respectively in total interface tube (10), described suction tude (9) is fixedly connected on place, total interface tube (10) runner hole, and communicate with runner.
2. according to claim 1ly for checking the bubble-tight device of gas exhaust manifold, it is characterized in that, also comprise seal ring (11), described seal ring (11) is arranged on total interface tube (10) and is provided with on the end face of cavity end.
3. according to claim 2ly for checking the bubble-tight device of gas exhaust manifold, it is characterized in that, the material of described sealing gasket (3) and seal ring (11) is rubber.
4. according to claim 1 for checking the bubble-tight device of gas exhaust manifold, it is characterized in that, also comprise pressure release bolt (6), also be provided with the pressure release bolt interior threaded hole supporting with pressure release bolt (6) screw thread on described total interface tube (10), described pressure release bolt interior threaded hole communicates with described runner, and described pressure release bolt (6) becomes to be threaded with pressure release bolt interior threaded hole.
5. according to claim 4ly for checking the bubble-tight device of gas exhaust manifold, it is characterized in that, the screw thread of the screw thread on described pressure release bolt (6) and pressure release bolt interior threaded hole is pipe thread.
6. according in claim 1 to 5, any one describedly is characterized in that for checking the bubble-tight device of gas exhaust manifold, described cylinder (7) is the single-cylinder single-acting cylinder.
CN 201320447736 2013-07-26 2013-07-26 Device for checking air tightness of exhaust manifold Expired - Fee Related CN203362290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320447736 CN203362290U (en) 2013-07-26 2013-07-26 Device for checking air tightness of exhaust manifold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320447736 CN203362290U (en) 2013-07-26 2013-07-26 Device for checking air tightness of exhaust manifold

Publications (1)

Publication Number Publication Date
CN203362290U true CN203362290U (en) 2013-12-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320447736 Expired - Fee Related CN203362290U (en) 2013-07-26 2013-07-26 Device for checking air tightness of exhaust manifold

Country Status (1)

Country Link
CN (1) CN203362290U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398824A (en) * 2013-07-26 2013-11-20 成都陵川特种工业有限责任公司 Detection device for exhaust manifold pipe air tightness

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398824A (en) * 2013-07-26 2013-11-20 成都陵川特种工业有限责任公司 Detection device for exhaust manifold pipe air tightness

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131225

Termination date: 20140726