CN223691935U - Leakage test plugging device for engine - Google Patents
Leakage test plugging device for engineInfo
- Publication number
- CN223691935U CN223691935U CN202423146676.XU CN202423146676U CN223691935U CN 223691935 U CN223691935 U CN 223691935U CN 202423146676 U CN202423146676 U CN 202423146676U CN 223691935 U CN223691935 U CN 223691935U
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- inner plate
- plugging
- sealing
- engine
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Abstract
The utility model relates to the technical field of engine tightness detection, in particular to an engine leakage test plugging device which comprises a plugging outer plate (1), wherein an air passage structure and a plugging inner plate (2) are respectively arranged on the plugging outer plate (1), an air hole structure is arranged on the plugging inner plate (2), the air passage structure is connected with the air hole structure, the air passage structure and the air hole structure are combined and connected, the air passage structure and the air hole structure can realize that the outside can be directly inflated into an engine, the inflation pressure is high, the inflation time is reduced, the integrated plugging outer plate and the integrated plugging inner plate are attached to an air inlet surface of a tested engine in the experimental process, and the air tightness test can be carried out on the engine through three cycles of inflation, pressure maintaining, air suction and the like, so that the detection efficiency is effectively improved.
Description
Technical Field
The utility model relates to the technical field of engine tightness detection, in particular to an engine leakage test plugging device.
Background
The leakage detection plugging device is a process tool widely applied to the field of industrial product production, so that whether the whole inside of an engine has leakage or not is determined, the phenomena of water leakage, oil leakage, air leakage and the like can not occur in the process of using the engine, and thus leakage detection guarantee is carried out before the engine leaves a factory, the air inlet leakage detection plugging of the engine is one of the quality guarantees of cylinder pressure of the engine and industrial material manufacturing, the leakage quantity of the material is guaranteed through plugging the whole cover plate, the internal air pressure is controlled, the problem of the engine in the assembly process is avoided, the leakage detection of the air inlet end face of the engine is carried out by a special leakage detector in the process of detecting the engine, the air inlet hole can not be directly inflated in the engine cylinder, an inspection channel is also needed to be reserved when the air inlet end face is detected in an airtight mode, the inflation pressure is small, the inflation time is long, and the detection efficiency is low.
The applicant has found through searching that China patent document with the publication number 209117267U discloses a leakage testing plugging device on the day of 7 and 16 in 2019, which comprises a mounting plate and at least two plugging components, wherein the rear side surface of the mounting plate is detachably fixed on a cylinder, each plugging component is detachably fixed on the front side surface of the mounting plate, the plugging components are arranged at intervals, the plugging components are detachably sealed and fixed in an exhaust hole or an air inlet hole of an engine, and the device cannot solve the technical problems.
Therefore, in order to improve or solve at least one of the above problems, it is desirable to provide an engine leakage test plugging device capable of directly charging air in an engine cylinder and improving the detection efficiency.
Disclosure of utility model
The utility model aims to provide an engine leakage test plugging device which can directly charge air in an engine cylinder and improve detection efficiency.
In order to solve the technical problems, the technical scheme adopted by the utility model is that the engine leakage test plugging device comprises a plugging outer plate, wherein an air passage structure and a plugging inner plate are respectively arranged on the plugging outer plate, an air hole structure is arranged on the plugging inner plate, and the air passage structure is connected with the air hole structure.
The air passage structure comprises a central air passage, wherein the central air passage is arranged in the blocking outer plate, a mounting groove is formed in the blocking outer plate, a groove surface through hole is formed in the mounting groove, the blocking inner plate is arranged in the mounting groove, the groove surface through hole is communicated with the central air passage, and the groove surface through hole is connected with the blocking inner plate.
The mounting groove comprises a first mounting groove and a second mounting groove, the groove surface through hole comprises a first groove surface through hole and a second groove surface through hole, the first groove surface through hole is arranged in the first mounting groove, the second groove surface through hole is arranged in the second mounting groove, a quick-insertion connecting hole is formed in one side, away from the mounting groove, of the plugging outer plate, and the quick-insertion connecting hole, the first groove surface through hole and the second groove surface through hole are all communicated with the central air passage.
The air hole structure comprises an inner plate air hole, wherein the inner plate air hole is arranged on the plugging inner plate and is respectively communicated with the first groove surface through hole and the second groove surface through hole.
The sealing device comprises a sealing outer plate, a sealing ring, a sealing inner plate and a sealing ring, wherein the sealing ring is arranged in the sealing outer plate and connected in the mounting groove, and the sealing inner plate is abutted against the sealing ring.
The sealing ring is internally provided with an inner chamfer, the plugging inner plate is provided with an inner plate chamfer, the inner plate chamfer is arranged along the edge of the plugging inner plate, and the inner plate chamfer is abutted against the inner chamfer.
The mounting groove is internally provided with an outer plate screw hole, the plugging inner plate is provided with an inner plate screw hole, the inner plate screw hole is provided with a screw hole chamfer, the inner plate screw hole is internally provided with a connecting bolt, and the connecting bolt is connected with the outer plate screw hole.
The sealing outer plate is provided with a bolt through hole, a mounting bolt is arranged in the bolt through hole, the mounting bolt is connected with an engine, a handle is arranged on one side, away from the mounting groove, of the sealing outer plate, a handle connecting bolt is arranged on the handle, the sealing outer plate is provided with a handle connecting threaded hole, the handle connecting bolt is connected into the handle connecting threaded hole, and gaskets are connected to the mounting bolt and the handle connecting bolt.
The beneficial effects of the application are as follows:
The device is characterized in that one surface of the plugging outer plate, which is provided with the plugging inner plate, is fixed on an engine, the surface of the plugging outer plate is attached to the air inlet surface of the engine, four plugging inner plates are arranged on the plugging outer plate, the whole air passage forms a quick-filling three-air passage inclined tube for pressurization, the inflation pressure is improved, the inflation time is shortened, in the experimental process, the integrated plugging outer plate and the plugging inner plate are attached to the air inlet surface of the engine to be tested, and the air tightness test is carried out on the engine through three cycles of inflation, pressure maintaining, air suction and the like, so that the detection efficiency is effectively improved.
Compared with the existing plugging plate, the plugging plate has the advantages that the air inlet surface of the engine is plugged through the combined structure of the plugging outer plate and the plugging inner plate, the air circulation performance is improved while the tightness is ensured, the air leakage rate is reduced by ten percent compared with the air leakage rate, the air leakage rate and the disposable passing rate are improved by three percent compared with the existing integrated plugging plate through hundred-time leakage test comparison, the defect of integral molding of the existing plugging plate is effectively and reasonably avoided, and five steel gaskets are connected to the plugging outer plate through bolts, so that the service life of parts can be ensured through repeated disassembly and replacement.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
Fig. 1 is a schematic structural diagram of the leak test plugging device of the engine.
Fig. 2 is an exploded view of the engine leak test plugging device.
Fig. 3 is a schematic structural view of a plugging outer plate of the engine leakage test plugging device.
Fig. 4 is a schematic structural view of a plugging inner plate of the engine leakage test plugging device.
Fig. 5 is a schematic structural view of a seal ring of the leak test plugging device of the engine.
The labels in the above figures are:
The figure is marked as 1, the outer plate is plugged, 101, the central air passage, 102, the outer plate screw hole, 103, the bolt through hole, 104 and the handle connecting screw hole,
2. Plugging the inner plate, 201, the inner plate air hole, 202, the inner plate chamfer, 203, the inner plate screw hole, 204 and the screw hole chamfer,
3. Mounting grooves, 301, groove surface through holes,
4. A first mounting groove 401, a first groove surface through hole,
5. A second mounting groove 501, a second groove surface through hole,
6. The connecting hole is inserted in the fast way,
7. A sealing ring 701, an inner chamfer,
8. A handle, 801, a handle connecting bolt,
9. And a gasket.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid those skilled in the art in a more complete, accurate and thorough understanding of the inventive concepts and aspects of the utility model, and to facilitate their practice.
The engine leakage test plugging device shown in fig. 1 comprises a plugging outer plate 1, wherein an air passage structure and a plugging inner plate 2 are respectively arranged on the plugging outer plate 1, an air hole structure is arranged on the plugging inner plate 2, and the air passage structure is connected with the air hole structure.
The application can realize that the outside is directly inflated into an engine through the combined connection of the plugging outer plate 1 and the plugging inner plate 2, has strong inflation pressure and reduces inflation time, in the experimental process, the integrated plugging outer plate 1 and the plugging inner plate 2 are attached to the air inlet surface of the tested engine, and the air tightness test can be carried out on the engine through three cycles of inflation, pressure maintaining, air suction and the like, thereby effectively improving the detection efficiency.
The air passage structure comprises a central air passage 101, wherein the central air passage 101 is arranged in a blocking outer plate 1, a mounting groove 3 is formed in the blocking outer plate 1, a groove surface through hole 301 is formed in the mounting groove 3, a blocking inner plate 2 is arranged in the mounting groove 3, the groove surface through hole 301 is communicated with the central air passage 101, and the groove surface through hole 301 is connected with the blocking inner plate 2.
The plugging outer plate 1 is a square plate, one end of the top of the plugging outer plate 1 is provided with an inclined plane, the central air passage 101 is a round hole and is a through hole, the central air passage 101 penetrates through the plugging outer plate 1 along the long side direction of the plugging outer plate 1, two threaded holes are respectively formed in two ends of the central air passage 101, two ends of the central air passage 101 are sealed, the sections of the mounting groove 3 and the plugging inner plate 2 are both convex, four mounting grooves 3 are formed in the plugging outer plate 1, and the plugging inner plate 2 is fixedly connected in the mounting groove 3.
The mounting groove 3 comprises a first mounting groove 4 and a second mounting groove 5, the groove surface through hole 301 comprises a first groove surface through hole 401 and a second groove surface through hole 501, the first groove surface through hole 401 is arranged in the first mounting groove 4, the second groove surface through hole 501 is arranged in the second mounting groove 5, the side, away from the mounting groove 3, of the plugging outer plate 1 is provided with a quick-plug connecting hole 6, and the quick-plug connecting hole 6, the first groove surface through hole 401 and the second groove surface through hole 501 are communicated with the central air flue 101.
The device is provided with a first mounting groove 4, three second mounting grooves 5, a first groove surface through hole 401 is larger than a second groove surface through hole 501 in diameter, a quick-plug connecting hole 6 is a quick-plug connecting hole for plugging an air passage, the quick-plug connecting hole 6 is communicated with a central air passage 101 and is directly communicated with the first groove surface through hole 401, the three second groove surface through holes 501 are all communicated with the central air passage 101, threads are arranged in the quick-plug connecting hole 6, external air supply equipment is in threaded connection with the quick-plug connecting hole 6, gas enters the central air passage 101 from the quick-plug connecting hole 6 to be subjected to pressure maintaining, the gas enters the mounting groove 3 from the first groove surface through hole 401 and the second groove surface through hole 501 to be subjected to pressure maintaining, finally the gas is blown out from an inner plate air hole 201 with smaller hole diameter to realize a flow shrinkage effect, and the flow shrinkage effect can pressurize air to realize manual leakage test on an air inlet side part of an engine.
The air hole structure comprises an inner plate air hole 201, wherein the inner plate air hole 201 is arranged on the plugging inner plate 2, and the inner plate air hole 201 is respectively communicated with the first groove surface through hole 401 and the second groove surface through hole 501.
The inner plate air hole 201 is a round hole and is a through hole, the aperture of the inner plate air hole 201 is smaller than that of the first groove surface through hole 401, and gas enters the engine through the inner plate air hole 201.
The sealing ring 7 is arranged in the sealing outer plate 1, the sealing ring 7 is connected in the mounting groove 3, and the sealing inner plate 2 is abutted against the sealing ring 7.
The sealing ring 7 is of a convex structure, the sealing inner plate 2 is connected in the mounting groove 3 through bolts, the sealing inner plate 2 tightly presses the sealing ring 7 in the mounting groove 3, the sealing ring 7 can enhance the sealing performance of the connection between the sealing inner plate 2 and the mounting groove 3, and meanwhile the sealing ring 7 can limit the sealing inner plate 2.
The sealing ring 7 is provided with an inner chamfer 701, the plugging inner plate 2 is provided with an inner plate chamfer 202, the inner plate chamfer 202 is arranged along the edge of the plugging inner plate 2, and the inner plate chamfer 202 abuts against the inner chamfer 701.
The inner chamfer 701 is arranged along the inner wall of the sealing ring 7, the inner chamfer 202 is arranged along the edge of the plugging inner plate 2, when the sealing ring 7 is pressed in the mounting groove 3 by the plugging inner plate 2, the bottom surface of the inner chamfer 202 is abutted against the top surface of the inner chamfer 701, so that the sealing ring 7 can enhance the sealing performance of the connection between the plugging inner plate 2 and the mounting groove 3, and meanwhile, the sealing ring 7 can limit the plugging inner plate 2.
The mounting groove 3 is provided with an outer plate screw hole 102, the plugging inner plate 2 is provided with an inner plate screw hole 203, the inner plate screw hole 203 is provided with a screw hole chamfer 204, the inner plate screw hole 203 is provided with a connecting bolt, and the connecting bolt is connected with the outer plate screw hole 102.
The connecting bolts penetrate through the inner plate screw holes 203 and are connected with the end parts in the outer plate screw holes 102, two outer plate screw holes 102 are arranged in the mounting groove 3, two inner plate screw holes 203 are arranged on the plugging inner plate 2, and the screw hole chamfers 204 can realize the guiding of the connecting bolts.
The plugging outer plate 1 is provided with a bolt through hole 103, a mounting bolt is arranged in the bolt through hole 103, the mounting bolt is connected with an engine, one side of the plugging outer plate 1, which is far away from the mounting groove 3, is provided with a handle 8, the handle 8 is provided with a handle connecting bolt 801, the plugging outer plate 1 is provided with a handle connecting threaded hole 104, the handle connecting bolt 801 is connected in the handle connecting threaded hole 104, and gaskets 9 are connected to the mounting bolt and the handle connecting bolt 801.
Five bolt through holes 103 are formed in the plugging outer plate 1, the bolt through holes 103 are connected with mounting bolts, the mounting bolts can achieve stable connection of the plugging outer plate 1 and an engine, a handle 8 is of a U-shaped structure, two ends of the handle 8 are respectively connected with a handle connecting bolt 801, threads are formed in the end portions of the handle connecting bolts 801, handle connecting threaded holes 104 are threaded holes, the handle connecting bolts 801 are in threaded connection with the handle connecting threaded holes 104, and a gasket 9 is a steel gasket.
The specific working procedure of the utility model is as follows:
The method comprises the steps of installing a plugging inner plate 2 in an installation groove 3 of a plugging outer plate 1, installing a sealing ring 7 in the installation groove 3, compacting the plugging inner plate 2 and the sealing ring 7, installing a handle 8 on the plugging outer plate 1, fixing one surface of the plugging inner plate 2, provided with the plugging inner plate 2, on an engine, of the plugging outer plate 1 through the handle 8, attaching the surface of the plugging inner plate to an air inlet surface of the engine, connecting and fastening the plugging inner plate through an installation bolt, connecting external air supply equipment with a quick-plug connecting hole 6 in a threaded manner, enabling air to enter the central air flue 101 from the quick-plug connecting hole 6 for pressure maintaining, enabling the air to enter the installation groove 3 from a first groove surface through hole 401 and a second groove surface through hole 501 for pressure maintaining, finally blowing the air out from an inner plate air hole 201 with a smaller aperture, and enabling the air to be pressurized through the air through the shrinkage effect to achieve manual leakage test on the air inlet side of the engine.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. It is within the scope of the present utility model to apply the above-described concepts and technical solutions of the present utility model directly to other applications, as long as they are various insubstantial modifications made by using the method concepts and technical solutions of the present utility model, or not.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423146676.XU CN223691935U (en) | 2024-12-19 | 2024-12-19 | Leakage test plugging device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423146676.XU CN223691935U (en) | 2024-12-19 | 2024-12-19 | Leakage test plugging device for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223691935U true CN223691935U (en) | 2025-12-19 |
Family
ID=98025451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423146676.XU Active CN223691935U (en) | 2024-12-19 | 2024-12-19 | Leakage test plugging device for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223691935U (en) |
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2024
- 2024-12-19 CN CN202423146676.XU patent/CN223691935U/en active Active
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