CN209961486U - Aeroengine test lead wire is with sealed stifled lid - Google Patents
Aeroengine test lead wire is with sealed stifled lid Download PDFInfo
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- CN209961486U CN209961486U CN201920376720.6U CN201920376720U CN209961486U CN 209961486 U CN209961486 U CN 209961486U CN 201920376720 U CN201920376720 U CN 201920376720U CN 209961486 U CN209961486 U CN 209961486U
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Abstract
The utility model discloses a sealing plug cover for an aircraft engine test lead wire, wherein the side surface of a base is provided with a threaded hole and a unthreaded hole; the center of the base is provided with a sliding groove, and the bottom of the base is provided with an installation groove; the outline shapes of the main bodies of the cover plate and the sealing gasket are the same as those of the base, and the cover plate and the base are provided with threaded holes and unthreaded holes in the same way; the sealing gasket is a through hole without threads; one end of the cover plate is provided with a mounting edge, and the mounting edge is provided with a through hole without threads; one end of the spring is clamped on the adjusting sheet, and the other end of the spring is propped against the base mounting groove; the cover plate and the base are fixed together through a screw a to form a sealing blocking cover; mounting one sealing gasket and the sealing plug cover on the engine through a screw b, carding a test lead, and mounting the other sealing gasket and the sealing plug cover on the engine through the screw b; the two sealing plug cover mounting edges are fixedly connected through a screw c; the two sealing blocking covers are connected to form a cavity, and the adjusting sheet cavity is driven by the spring to be adjusted to a minimum bundling state, a middle bundling state and a maximum bundling state.
Description
Technical Field
The utility model relates to an aeroengine technical field, in particular to aeroengine test is sealed blanking cover for lead wire.
Background
The aircraft engine is a core system of an airplane, is called as an industrial 'Mingzhu' pearl due to the characteristics of multiple disciplinary departments, wide technical field, great technical difficulty, long development period and the like, in order to obtain a reliable aircraft engine product, a great deal of experimental research work on aircraft engines is required, how to ensure that a plurality of test leads can be smoothly led out from the interior of an engine and the leakage of internal gas can be effectively reduced is an important research content of engine scientific research workers, the currently adopted method is to design corresponding sealing blocking covers aiming at the types and the number of the test leads at each position, the method has the advantages that the sealing blocking covers are specially customized for lead openings, the sealing effect is good, however, the sealing plugs have different specifications and poor mutual universality, and meanwhile, the development period and the cost of the engine are greatly increased due to the large number of sealing plugs.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing an aeroengine tests lead wire and uses sealed blanking cover, concrete technical scheme as follows:
a sealing plug cover for an aircraft engine test lead comprises an adjusting sheet, a base, a spring and a cover plate;
the side surface of the base is provided with a threaded hole and a unthreaded hole;
the center of the base is provided with a sliding groove, and the bottom of the base is provided with an installation groove;
the contour shape of the main body of the cover plate is the same as that of the base, and a threaded hole and a unthreaded hole are formed in the positions, which are the same as the positions of the holes formed in the base, of the cover plate;
the threaded hole and the unthreaded hole are through holes;
one end of the cover plate is provided with a mounting edge, and the mounting edge is provided with a through hole without threads;
the shape of the outline of the main body of the sealing gasket is the same as that of the base, and a through hole without threads is arranged at the position of the opening which is the same as that of the base;
a bulge is arranged at one end of the adjusting sheet, the spring is clamped at the bulge of the adjusting sheet and penetrates through the sliding groove, the spring is propped against the base mounting groove, and the adjusting sheet slides back and forth in the sliding groove;
the cover plate and the base are fixed together through a screw a penetrating through the threaded holes of the cover plate and the base to form a sealing blocking cover;
mounting one half of the sealing gasket and the sealing plug cover on the engine through screws b, carding the testing lead, and mounting the other half of the sealing gasket and the sealing plug cover on the engine through screws b;
the two sealing plug cover mounting edges are fixedly connected through a screw c;
the other end of the adjusting sheet is provided with a semicircular opening, and the other end of the base is provided with a U-shaped opening;
the two sealing blocking covers are connected to form a cavity, the adjusting sheet is driven by the spring, and the cavity can be adjusted to a minimum bundling state, a middle bundling state and a maximum bundling state.
The sealing plug cover for the aircraft engine test lead wire is characterized in that the preferable scheme is that the length of the spring is designed according to the length when the spring is connected with the adjusting sheet and is installed on the base, and the adjusting sheet is flush with or slightly protrudes out of the sliding groove of the base.
The sealing plug cover for the aeroengine test lead wire is characterized in that the two plug covers are used in pairs when the sealing plug cover is used.
The sealing plug cover for the test lead of the aircraft engine has the preferred scheme that the mounting edge on the cover plate is a U-shaped lug seat.
The sealing plug cover for the aeroengine test lead wire has the preferred scheme that the adjusting sheet transversely slides in the sealing plug cover.
The utility model has the advantages that: the sealing plug cover for the aircraft engine test lead wire of the utility model realizes the size change of the lead wire caliber through the transverse sliding of the adjusting sheet, improves the universality of the sealing plug cover and reduces the development cost of the engine; the structure has the advantages of flexible caliber size change, wide application range, simple structure and low cost; secondly, the sealing plug cover for the aircraft engine test lead wire of the utility model always pre-tightens the adjusting sheet by the spring, so as to keep the pressing force on the test lead wire, effectively reduce the leakage of the gas in the engine and improve the performance of the engine; thirdly, the shape of the sealing plug cover for the test lead of the aero-engine of the utility model is regular, and the sealing plug cover is composed of only a plurality of parts, and has simple structure, convenient installation and high reliability; four, the utility model discloses an aeroengine test lead wire is with sealed blanking cover not only is applicable to the aviation power field, carries out appropriate improvement to its structure and still can use at civil construction pipeline spacing, and aspects such as large-scale mechanical equipment pipeline is tied in a bundle have comparatively wide application prospect.
Drawings
Fig. 1 is a schematic view of the overall structure of a sealing plug cover (minimum bundling state) for an aircraft engine test lead wire according to the present invention;
fig. 2 is a schematic view of the general structure of a sealing plug cover (maximum bundling state) for an aircraft engine test lead wire of the present invention;
FIG. 3 is a schematic view of a tab construction;
FIG. 4 is a schematic view of a base structure;
FIG. 5 is a schematic view of a cover plate structure;
FIG. 6 is a view from the direction A of FIG. 5;
FIG. 7 is a schematic view of a gasket construction;
fig. 8 is the internal structure schematic diagram of the sealing plug cover (minimum bundling state) for the test lead of the aero-engine of the present invention.
Fig. 9 is a schematic view of the internal structure of a sealing plug cover (middle bundling state) for an aircraft engine test lead according to the present invention;
fig. 10 is a schematic view of the internal structure of a sealing plug cover (in a maximum bundling state) for an aircraft engine test lead wire according to the present invention.
In the figure, 1 a regulating sheet, 2 a base, 2-1 a threaded hole a, 2-2 a unthreaded hole a, 2-3 a sliding groove, 2-4 mounting grooves, 3 springs, 4 cover plates, 4-1 a threaded hole b, 4-2 a unthreaded hole b, 4-3 a through hole without threads, 4-4 mounting edges, 5 first screws, 6 second screws, 7 third screws, 8 test leads, 9 motors, 10 sealing gaskets and 10-1 a through hole without threads b.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but it should not be understood that the scope of the present invention is limited to the following embodiments. Various substitutions and modifications can be made without departing from the spirit of the invention and the scope of the invention as defined by the appended claims.
The first embodiment is as follows:
as shown in fig. 1-10, a sealing plug for an aircraft engine test lead comprises an adjusting sheet 1, a base 2, a spring 3 and a cover plate 4;
the side surface of the base 2 is provided with a threaded hole a2-1 and a unthreaded hole a 2-2;
the center of the base 2 is provided with a sliding groove 2-3, and the bottom of the base is provided with an installation groove 2-4;
the main body outline shape of the cover plate 4 is the same as that of the base 2, and a threaded hole b4-1 and a light hole b4-2 are formed in the positions of the holes which are the same as those of the base 2;
the threaded hole a2-1, the threaded hole b4-1 and the unthreaded hole a2-2, the unthreaded hole b4-2 are through holes;
one end of the cover plate 4 is provided with a mounting edge 4-4, and the mounting edge 4-4 is provided with a through hole a4-3 without threads;
the shape of the main body outline of the sealing gasket 10 is the same as that of the base 2, and a through hole b10-1 without threads is arranged at the position of the same hole as that of the base;
a bulge is arranged at one end of the adjusting sheet 1, the spring 3 is clamped at the bulge of the adjusting sheet 1 and penetrates through the sliding grooves 2-3, the spring 3 is supported in the base mounting groove 2-4, and the adjusting sheet 1 slides back and forth in the sliding grooves 2-3;
the cover plate and the base are fixed together through threaded holes of the cover plate and the base by screws a5 to form a sealing and blocking cover;
mounting one half of the sealing gasket 10 and the sealing cover on the engine 9 through a screw b6, carding the test lead wire 8, and mounting the other half of the sealing gasket 10 and the sealing cover on the engine 9 through a screw b 6;
the two sealing plug cover mounting edges 4-4 are fixedly connected through a screw c 7;
the other end of the adjusting sheet 1 is provided with a semicircular opening, and the other end of the base 2 is provided with a U-shaped opening;
the two sealing blocking covers are connected to form a cavity, the spring 3 drives the adjusting sheet 1, and the cavity can be adjusted to a minimum bundling state, a middle bundling state and a maximum bundling state.
The length of the spring 3 is designed to be the length of the spring 3 when the spring is connected with the adjusting sheet 1 and is installed on the base 2, and the adjusting sheet 1 is flush with or slightly protruded from the sliding groove 2-3 of the base 2.
The sealing blanking cap is used by using two blanking caps in pairs.
The mounting edge 4-4 on the cover plate 4 is a U-shaped ear seat.
The adjusting sheet 4 slides transversely in the sealing plug cover.
The second embodiment:
the specific embodiment of the invention is described by combining the attached drawings 1-2, the sealing plugging cover of the embodiment adopts the idea of split and modularized design, compared with the traditional sealing plugging cover adopting the mode of punching in the middle of an integrated flat plate, the central calibers of the two plugging covers in split design are not influenced by the lead joint to be tested, the sealing plugging cover has high convenience in installation and disassembly, meanwhile, the connection between the joint and the test lead can be completed before the lead, and the test accuracy is improved.
The third embodiment is as follows:
the specific embodiment of the invention is described with reference to fig. 8 to 10, wherein a spring 3 of the embodiment is a key structure in the design of the sealing plug, the natural length of the spring 3 is designed according to the length of the adjusting sheet which is flush with or slightly protruded from the front end surface of the base 2 after the spring 3 is connected with the adjusting sheet 1 and installed on the base 2, and the purpose of the design is to ensure that the spring 3 always has a part of elastic potential energy to enable the adjusting sheet 1 to compress the test lead 8, reduce the leakage of air flow along the radial direction of the engine, and ensure that the sealing plug has better sealing effect.
The fourth embodiment:
the specific embodiment of the invention is described by combining the attached drawings 3-8, the sealing plug cover for the test lead of the aero-engine in the embodiment can be applied to the test of the aero-engine, the structure of the sealing plug cover is properly modified, the sealing plug cover can also be used as a bundling hoop of an external pipeline and a cable of the aero-engine, the external structure of the aero-engine is ensured to be orderly installed, meanwhile, the sealing plug cover can also be applied to the aspect of fixing similar pipelines in the industry and the civil use, and the sealing plug cover has a wide application prospect.
The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.
Claims (5)
1. The utility model provides an aeroengine test lead wire is with sealed blanking cover which characterized in that: comprises an adjusting sheet, a base, a spring and a cover plate;
the side surface of the base is provided with a threaded hole and a unthreaded hole;
the center of the base is provided with a sliding groove, and the bottom of the base is provided with an installation groove;
the contour shape of the main body of the cover plate is the same as that of the base, and a threaded hole and a unthreaded hole are formed in the positions, which are the same as the positions of the holes formed in the base, of the cover plate;
the threaded hole and the unthreaded hole are through holes;
one end of the cover plate is provided with a mounting edge, and the mounting edge is provided with a through hole without threads;
the shape of the outline of the main body of the sealing gasket is the same as that of the base, and a through hole without threads is arranged at the position of the opening which is the same as that of the base;
a bulge is arranged at one end of the adjusting sheet, the spring is clamped at the bulge of the adjusting sheet and penetrates through the sliding groove, the spring is propped against the base mounting groove, and the adjusting sheet slides back and forth in the sliding groove;
the cover plate and the base are fixed together through a screw a penetrating through the threaded holes of the cover plate and the base to form a sealing blocking cover;
mounting one half of the sealing gasket and the sealing plug cover on the engine through screws b, carding the testing lead, and mounting the other half of the sealing gasket and the sealing plug cover on the engine through screws b;
the two sealing plug cover mounting edges are fixedly connected through a screw c;
the other end of the adjusting sheet is provided with a semicircular opening, and the other end of the base is provided with a U-shaped opening;
the two sealing blocking covers are connected to form a cavity, the adjusting sheet is driven by the spring, and the cavity can be adjusted to a minimum bundling state, a middle bundling state and a maximum bundling state.
2. The sealing cap for an aircraft engine test lead according to claim 1, wherein: the length of the spring is designed for the length of the spring when the spring is connected with the adjusting sheet and installed on the base, and the adjusting sheet is flush with or slightly protruded from the sliding groove of the base.
3. The sealing cap for an aircraft engine test lead according to claim 1, wherein: the sealing blanking cap is used by using two blanking caps in pairs.
4. The sealing cap for an aircraft engine test lead according to claim 1, wherein: the mounting edge on the cover plate is a U-shaped ear seat.
5. The sealing cap for an aircraft engine test lead according to claim 1, wherein: the adjusting sheet slides transversely in the sealing plug cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376720.6U CN209961486U (en) | 2019-03-25 | 2019-03-25 | Aeroengine test lead wire is with sealed stifled lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376720.6U CN209961486U (en) | 2019-03-25 | 2019-03-25 | Aeroengine test lead wire is with sealed stifled lid |
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| Publication Number | Publication Date |
|---|---|
| CN209961486U true CN209961486U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920376720.6U Active CN209961486U (en) | 2019-03-25 | 2019-03-25 | Aeroengine test lead wire is with sealed stifled lid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932183A (en) * | 2019-03-25 | 2019-06-25 | 沈阳建筑大学 | A kind of aeroengine test lead sealing blanking cover |
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2019
- 2019-03-25 CN CN201920376720.6U patent/CN209961486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932183A (en) * | 2019-03-25 | 2019-06-25 | 沈阳建筑大学 | A kind of aeroengine test lead sealing blanking cover |
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