CN114109538A - Double-deck quick-witted casket hole exploration hole plugging structure - Google Patents
Double-deck quick-witted casket hole exploration hole plugging structure Download PDFInfo
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- CN114109538A CN114109538A CN202111342627.1A CN202111342627A CN114109538A CN 114109538 A CN114109538 A CN 114109538A CN 202111342627 A CN202111342627 A CN 202111342627A CN 114109538 A CN114109538 A CN 114109538A
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- hole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Engineering & Computer Science (AREA)
- Measuring Leads Or Probes (AREA)
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Abstract
The application relates to a hole plugging structure is visited to double-deck quick-witted casket hole, include: the connecting seat is connected between the outer casing and the inner casing and is provided with a communication hole for communicating the hole probing hole of the outer casing and the hole probing hole of the inner casing; one end of the connecting sleeve extends into the communicating hole from the outer casing side, the end surface of the connecting sleeve is provided with a limiting notch, and the inner wall of the connecting sleeve is provided with an axial sliding chute; one end of the middle cylinder extends into the connecting sleeve from the outer casing side, the inner wall of the end is provided with a stop protrusion, and the outer wall of the end is provided with a limit protrusion; the limiting protrusion slides through the axial sliding groove, rotates along the circumferential direction of the connecting sleeve and is clamped into the limiting notch; the abutting spring abuts between the inner casing and the middle barrel; the blocking block is arranged in the middle cylinder, a spherical cavity is arranged in the blocking block, and a through hole communicated with the spherical cavity is formed in the outer wall of the blocking block; the blocking cover blocks one end of the middle cylinder back to the inner casing; the buffer spring is abutted between the blocking block and the blocking cover; and one end of the blocking pin blocks the inner casing hole probing hole, and the other end of the blocking pin extends into the spherical cavity through the through hole, and the end is spherical.
Description
Technical Field
The application belongs to the technical field of the design of double-layer cartridge receiver hole probing and hole plugging of an aircraft engine, and particularly relates to a double-layer cartridge receiver hole probing and hole plugging structure.
Background
Some parts adopt double-deck machine casket structure among the aeroengine, for can surveying the maintenance to its inside, set up outer quick-witted casket hole manhole on outer quick-witted casket, set up interior quick-witted casket hole manhole in the corresponding position on the interior quick-witted casket in outer quick-witted casket, need outer quick-witted casket hole manhole on the outer quick-witted casket, the shutoff of interior quick-witted casket hole manhole on the interior quick-witted casket with outer quick-witted casket hole on, for this reason the design has corresponding stifled hole structure, current stifled hole structure has following defect:
the outer cartridge receiver, the inner cartridge receiver are made of different materials, structural dimensions and other parameters, and the working environments have large differences, so that large relative deformation is easy to occur, the relative positions of the outer cartridge receiver hole probing hole and the inner cartridge receiver hole probing hole are greatly deviated, and large assembly stress is generated.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
The present application is directed to a dual-layer casing hole borehole plugging structure to overcome or alleviate at least one of the known disadvantages.
The technical scheme of the application is as follows:
a double-deck quick-witted casket hole exploring hole plugged hole structure includes:
the connecting seat is connected between the outer casing and the inner casing and is provided with a communicating hole; the communication hole is communicated with an outer casing hole probing hole on the outer casing and an inner casing hole probing hole on the inner casing;
one end of the connecting sleeve extends into the communicating hole from the outer casing side, the end surface of the connecting sleeve is provided with a limiting notch, the connecting sleeve is detachably connected with the connecting seat, and the inner wall of the connecting sleeve is provided with an axial sliding chute;
one end of the middle cylinder extends into the connecting sleeve from the outer casing side, the inner wall of the end is provided with a stop protrusion, and the outer wall of the end is provided with a limit protrusion; the limiting protrusion slides through the axial sliding groove, rotates along the circumferential direction of the connecting sleeve and is clamped into the limiting notch;
an abutting spring which is arranged in the communicating hole and abuts between the inner casing and the middle barrel;
the blocking block is arranged in the middle cylinder, a spherical cavity is arranged in the blocking block, and a through hole communicated with the spherical cavity is formed in the outer wall of the blocking block;
the blocking cover blocks one end of the middle cylinder back to the inner casing;
the buffer spring is arranged in the middle cylinder and is abutted between the blocking block and the blocking cover;
and one end of the blocking pin blocks the inner casing hole probing hole, and the other end of the blocking pin extends into the spherical cavity through the through hole, and the end is spherical.
According to at least one embodiment of the application, in the double-layer casing hole detecting hole blocking structure, the communication hole is internally provided with an annular bulge, and the annular bulge and the outer wall of the middle cylinder are in small clearance fit.
According to at least one embodiment of the application, in the double-layer casing hole drilling and plugging structure, the connecting sleeve is formed by butting two halves, and an axial sliding groove is formed between the two halves.
According to at least one embodiment of the present application, in the above-mentioned double-layer casing hole drilling hole plugging structure, the connection sleeve has a connection edge on an outer wall of an end facing away from the inner casing, and the connection edge is connected to the outer casing through a bolt.
According to at least one embodiment of the present application, in the above-mentioned double-layer casing hole drilling hole plugging structure, the stopping protrusion is annular.
According to at least one embodiment of the present application, in the above-mentioned double-layer casing hole detecting and plugging structure, the plugging block is formed by two segments which are butted and interlocked, a spherical cavity is formed between the two segments, and the through hole is located on one of the two segments.
According to at least one embodiment of the application, in the double-layer casing hole drilling and plugging structure, the plugging cover and one end of the connecting sleeve, which faces away from the inner casing, are connected in a threaded fit manner.
According to at least one embodiment of the application, in the double-layer casing hole detecting and hole plugging structure, one end of the plugging pin, which faces away from the plugging block, and the inner casing hole detecting and hole are limited through the seam allowance.
According to at least one embodiment of the present application, the above-mentioned double-layer casing hole drilling hole plugging structure further includes:
and the baffle ring is sleeved on the periphery of the plug pin and is positioned between the middle cylinder and the buffer spring.
According to at least one embodiment of the application, in the double-layer casing hole detecting and hole plugging structure, the inner wall of the communication hole is provided with an axial guide groove;
the outer edge of the baffle ring is provided with a guide projection;
the guide protrusion is clamped in the axial guide groove and can slide along the axial guide groove.
According to at least one embodiment of the present application, in the above-mentioned double-layer casing hole drilling and plugging structure, the guide protrusion and the corresponding axial guide groove thereof are provided in plurality.
According to at least one embodiment of the present application, in the above-mentioned double-layer casing hole and borehole hole plugging structure, the plug cover has a torque transmission hole.
According to at least one embodiment of the application, in the double-layer casing hole detecting and hole plugging structure, a plurality of limiting protrusions and corresponding axial sliding grooves and limiting notches are arranged.
According to at least one embodiment of the present application, in the above-mentioned double-layer casing hole detecting and plugging structure, there are a plurality of intermediate cylinders and their corresponding communication holes, outer casing hole detecting holes, inner casing hole detecting holes, connection sleeves, abutting springs, plugs, plugging covers, buffer springs, and plugging pins.
Drawings
FIG. 1 is a schematic diagram of a dual-layer casing hole drilling hole plugging structure according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a connection socket provided in an embodiment of the present application;
FIG. 3 is a view from the direction A of FIG. 2;
FIG. 4 is a sectional view taken along line B-B of FIG. 2;
fig. 5 is a schematic view of a connecting sleeve provided in an embodiment of the present application;
FIG. 6 is a three-dimensional view C of FIG. 5;
FIG. 7 is a partial schematic structural diagram of a dual-layer casing hole drilling hole plugging structure according to an embodiment of the present disclosure;
FIG. 8 is a schematic view of a retainer ring provided in accordance with an embodiment of the present application;
FIG. 9 is a schematic view of a stopper projection sliding through the axial slide slot provided by an embodiment of the present application;
FIG. 10 is a schematic view of the stopper protrusion being snapped into the stopper notch according to an embodiment of the present disclosure;
wherein:
1-a connecting seat; 2-an outer casing; 3-inner casing; 4-connecting sleeves; 5-an intermediate cylinder; 6-an abutment spring; 7-blocking; 8-blocking the cover; 9-a buffer spring; 10-blocking pin; 11-baffle ring.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application will be described in further detail with reference to fig. 1 to 10.
A double-deck quick-witted casket hole exploring hole plugged hole structure includes:
a connecting base 1 connected between the outer casing 2 and the inner casing 3 and having a communication hole thereon; the communication hole is communicated with an outer casing hole probing hole on the outer casing 2 and an inner casing hole probing hole on the inner casing 3;
a connecting sleeve 4, one end of which extends into the communicating hole from the outer casing 2 side, the end surface of which is provided with a limiting gap and is detachably connected with the connecting seat 1, and the inner wall of which is provided with an axial sliding chute;
the middle cylinder 5, one end of which extends into the connecting sleeve 4 from the outer casing 2 side, the inner wall of the end is provided with a stop projection, and the outer wall of the end is provided with a limit projection; the limiting protrusion slides through the axial sliding groove, rotates along the circumferential direction of the connecting sleeve 4 and is clamped into the limiting notch;
an abutting spring 6 which is provided in the communicating hole and abuts between the inner casing 3 and the intermediate cylinder 5;
a block 7 arranged in the middle cylinder 5, having a spherical cavity therein and a through hole communicating with the spherical cavity on the outer wall thereof;
the blocking cover 8 blocks one end of the middle barrel 5, which is back to the inner box 3;
the buffer spring 9 is arranged in the middle cylinder 5 and is abutted between the blocking block 7 and the blocking cover 8;
the plug pin 10 has one end for plugging the inner casing hole and the other end extending into the spherical cavity via the through hole, and the end is spherical.
For the double-layer casing hole probing hole plugging structure disclosed in the above embodiment, it can be understood by those skilled in the art that the connecting seat 1 is designed to be connected between the outer casing 2 and the inner casing 3, so as to increase the rigidity of the outer casing 2 and the inner casing 3, reduce the possibility of large deviation of the relative positions of the outer casing hole probing hole and the inner casing hole probing hole, and one end of the plugging inner casing hole probing hole plugging pin 10 is designed to be spherical and is arranged in the spherical cavity of the plugging block 7 in a matching manner, so as to deflect within a certain range relative to the plugging block 7, thereby adapting to the relative deformation between the outer casing 2 and the inner casing 3, avoiding the occurrence of jamming in the dismounting process and mounting process and large assembly stress, and in addition, the buffer spring 9 is designed between the plugging block 7 and the plugging cover 8, and the elastic force of the buffer spring 9 acts on the plugging pin 10, so as to ensure the plugging of the plugging pin to the inner casing hole probing hole, and can balance when the plug pin 10 is subjected to the pneumatic impact force in the inner casing 3.
For the double-layer casing hole probing and hole plugging structure disclosed in the above embodiment, those skilled in the art can also understand that the design depends on the elastic force generated between the inner casing 3 and the middle cylinder 5 by the abutting spring 6, so that the limiting protrusion on the outer wall of the middle cylinder 5 is clamped into the limiting notch on the end surface of the end face of the inner casing 3 facing the connecting sleeve 4, and the middle cylinder 5 can be effectively limited from rotating, so as to prevent the connecting sleeve 4 from separating from the connecting base 1, and maintain the stability of the structure.
In some optional embodiments, in the above double-layer casing hole probe hole plugging structure, the communication hole has an annular protrusion, the annular protrusion is in small clearance fit with the outer wall of the intermediate cylinder 5, so that the inner casing hole probe hole can be plugged at one end of the plugging pin 10, the inner casing hole probe hole is sealed by one step, the plugging effect on the inner casing hole probe hole is ensured, and the annular protrusion and the small clearance fit between the outer wall of the intermediate cylinder 5 are designed, so that a small movement allowance is provided between the intermediate cylinder 5 and the connecting seat 1, the plugging pin 10 can be conveniently aligned with the inner casing hole probe hole during assembly, the smooth completion of assembly is ensured, and the possibility of clamping stagnation in the assembling and disassembling process is reduced.
In some optional embodiments, in the above-mentioned double-layer casing hole probing hole plugging structure, the connection sleeve 4 is formed by two halves in a butt joint manner, an axial sliding groove is formed between the two halves, and the two halves are in small clearance fit with the limiting protrusion, so that a small movement allowance is provided between the middle cylinder 5 and the connection sleeve 4, the plugging pin 10 can be conveniently aligned to the inner casing hole probing hole during assembly, the smooth completion of assembly is ensured, and the possibility of clamping stagnation during the assembly and disassembly process is reduced.
In some alternative embodiments, in the above-mentioned double-layer casing hole drilling and plugging structure, the outer wall of the connecting sleeve 4 at the end facing away from the inner casing 3 has a connecting edge, and the connecting edge is connected to the outer casing 2 by a bolt.
In some alternative embodiments, in the above-mentioned double-layer casing hole drilling and plugging structure, the stop protrusion is annular.
In some alternative embodiments, in the above-mentioned double-layer casing hole detecting and blocking structure, the blocking piece 7 is formed by two segments which are butt-jointed and interlocked, and a spherical cavity is formed between the two segments, and a through hole is located on one of the two segments and is in close clearance fit with the blocking pin 10, so as to ensure the capability of the blocking pin 10 to deflect.
In some alternative embodiments, in the above-mentioned double-layer casing hole drilling and plugging structure, the plugging cover 8 and the end of the connecting sleeve 4 facing away from the inner casing 3 are connected by screw thread fit.
In some optional embodiments, in the above-mentioned double-layer casing hole detecting hole blocking structure, one end of the blocking pin 10, which faces away from the blocking block 7, is limited by a seam allowance with the inner casing hole detecting hole, and is in close clearance fit with the inner casing hole detecting hole, so that a small movement allowance is provided between the blocking pin 10 and the inner casing hole detecting hole, and the possibility of occurrence of clamping stagnation during the assembling and disassembling process is reduced.
In some optional embodiments, in the above-mentioned double-layer casing hole drilling and plugging structure, further includes:
and the baffle ring 11 is sleeved on the periphery of the plug pin 10 and is positioned between the middle cylinder 5 and the buffer spring 9.
In some alternative embodiments, in the above-mentioned double-layer casing hole detecting and plugging structure, the inner wall of the communication hole is provided with an axial guide groove;
the outer edge of the baffle ring 11 is provided with a guide projection;
the guide protrusion is clamped in the axial guide groove and can slide along the axial guide groove.
In some alternative embodiments, in the above-mentioned double-layer casing hole drilling and plugging structure, the guide protrusion and its corresponding axial guide groove are multiple.
In some alternative embodiments, in the above-mentioned double-layer casing hole and manhole blocking structure, the blocking cover 8 has a torque transmission hole.
In some alternative embodiments, in the double-layer casing hole detecting and hole plugging structure, a plurality of limiting protrusions and corresponding axial sliding grooves and limiting notches are provided.
In some alternative embodiments, in the above-mentioned double-layer casing hole detecting and blocking structure, there are a plurality of the intermediate barrel 5 and its corresponding communication hole, the outer casing hole detecting and blocking structure, the inner casing hole detecting and blocking structure, the connection sleeve 4, the abutting spring 6, the blocking block 7, the blocking cover 8, the buffer spring 9, and the blocking pin 10.
With the double-layer casing hole probing hole plugging structure disclosed by the embodiment, the inner casing hole probing hole and the outer casing hole probing hole can be plugged by assembling according to the following modes:
the abutting bullet 6 and the baffle ring 11 are assembled with the connecting seat 1, and then the connecting seat 1 is assembled between the outer casing 2 and the inner casing 3;
assembling the connecting sleeve 4 with the connecting seat 1 and the outer casing 2;
the middle cylinder 5, the plugging block 7, the plugging cover 8, the buffer spring 9 and the plugging pin 10 are assembled, and then a special tool is inserted into a torque transmission hole on the plugging cover 8, so that the limiting protrusion on the outer wall of the middle cylinder 5 is aligned to slide through an axial sliding groove on the connecting sleeve 4, rotates along the circumferential direction of the connecting sleeve 4, is clamped into a limiting gap on the end surface of one end of the connecting sleeve 4 facing the inner casing 3, and meanwhile, the plugging pin 10 is aligned to plug a hole probing hole of the inner casing, so that the assembly is completed;
in the process of assembling the double-layer casing hole probing and plugging structure, if the relative positions of the outer casing hole probing hole and the inner casing hole probing hole are greatly deviated, the clamping stagnation is difficult to overcome or the plugging pin 10 cannot be aligned to plug the inner casing hole probing hole by virtue of the design of a small gap, the whole assembled by the intermediate cylinder 5, the plugging block 7, the plugging cover 8, the buffer spring 9 and the plugging pin 10 can be assembled with the connecting seat 1 and the inner casing 3, then the connecting sleeve 4 is assembled with the connecting seat 1 and the outer casing 2, and the limiting protrusion on the outer wall of the intermediate cylinder 5 is aligned with the limiting notch on the end face of one end of the connecting sleeve 4 facing the inner casing 3, so that the limiting protrusion is clamped into the limiting notch, and the connecting sleeve 4 is prevented from restricting the position movement of the intermediate cylinder 5 and related parts thereof in the assembling process.
The double-layer casing hole probing and plugging structure disclosed by the embodiment can be partially disassembled by referring to the following modes:
a special tool is inserted into a torque transmission hole on the plugging cover 8 and pressed, so that the limiting protrusion on the outer wall of the middle cylinder 5 is separated from a limiting notch on the end face of one end of the connecting sleeve 4 facing the inner casing 3, rotates along the circumferential direction of the connecting sleeve 4, slides out from an axial sliding groove on the connecting sleeve 4 in an aligned manner, and plugs of the plugging pin 10 on a hole probing hole of the inner casing are removed;
in the process of partially disassembling the double-layer casing hole probing and hole plugging structure, if the relative positions of the outer casing hole probing hole and the inner casing hole probing hole are greatly deviated, and the clamping stagnation is difficult to overcome by the design of a small gap, the connecting sleeve 4, the connecting seat 1 and the outer casing 2 can be disassembled firstly, and then the middle cylinder 5, the plugging block 7, the plugging cover 8, the buffer spring 9 and the plugging pin 10 are taken out, so that the constraint of the connecting sleeve 4 on the position movement of the middle cylinder 5 and related parts in the disassembling process is avoided.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (10)
1. The utility model provides a double-deck quick-witted casket hole exploring hole plugged hole structure which characterized in that includes:
the connecting seat (1) is connected between the outer casing (2) and the inner casing (3) and is provided with a communicating hole; the communication hole is communicated with an outer casing hole probing hole on the outer casing (2) and an inner casing hole probing hole on the inner casing (3);
the connecting sleeve (4) extends into the communicating hole from the outer casing (2) side at one end, the end face of the connecting sleeve is provided with a limiting notch, the connecting sleeve is detachably connected with the connecting seat (1), and the inner wall of the connecting sleeve is provided with an axial sliding groove;
the middle cylinder (5) extends into the connecting sleeve (4) from the outer casing (2) side at one end, the inner wall of the end is provided with a stop protrusion, and the outer wall of the end is provided with a limit protrusion; the limiting protrusion slides through the axial sliding groove, rotates along the circumferential direction of the connecting sleeve (4) and is clamped into the limiting notch;
an abutting spring (6) which is arranged in the communicating hole and abuts between the inner casing (3) and the middle barrel (5);
a plug (7) arranged in the intermediate cylinder (5) and having a spherical cavity therein, the outer wall of which has a perforation communicating with the spherical cavity;
the blocking cover (8) blocks one end, back to the inner casing (3), of the middle barrel (5);
the buffer spring (9) is arranged in the middle barrel (5) and is abutted between the blocking block (7) and the blocking cover (8);
and one end of the blocking pin (10) is used for blocking the inner casing hole probing hole, the other end of the blocking pin extends into the spherical cavity through the perforation, and the end is spherical.
2. The double-layer casing hole probing hole plugging structure according to claim 1,
the communicating hole is internally provided with an annular bulge, and the annular bulge is in small clearance fit with the outer wall of the middle cylinder (5).
3. The double-layer casing hole probing hole plugging structure according to claim 1,
the connecting sleeve (4) is formed by butt joint of two halves, and the axial sliding groove is formed between the two halves.
4. The double-layer casing hole probing hole plugging structure according to claim 1,
the connecting sleeve (4) is positioned on the outer wall back to one end of the inner casing (3) and is provided with a connecting edge, and the connecting edge is connected to the outer casing (2) through a bolt.
5. The double-layer casing hole probing hole plugging structure according to claim 1,
the stop protrusion is ring-shaped.
6. The double-layer casing hole probing hole plugging structure according to claim 1,
the block (7) is formed by butt-joint and interlocking of two sections, the spherical cavity is formed between the two sections, and the through hole is formed in one section.
7. The double-layer casing hole probing hole plugging structure according to claim 1,
the blocking cover (8) and one end, back to the inner casing (3), of the connecting sleeve (4) are connected in a threaded fit mode.
8. The double-layer casing hole probing hole plugging structure according to claim 1,
one end of the blocking pin (10), which is back to the blocking block (7), and the inner casing hole probing hole are limited through a seam allowance.
9. The double-layer casing hole probing hole plugging structure according to claim 1,
further comprising:
and the baffle ring (11) is sleeved on the periphery of the plug pin (10) and is positioned between the middle cylinder (5) and the buffer spring (9).
10. The double-layer casing hole probing and hole plugging structure according to claim 9,
the inner wall of the communication hole is provided with an axial guide groove;
the outer edge of the baffle ring (11) is provided with a guide projection;
the guide protrusion is clamped in the axial guide groove and can slide along the axial guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111342627.1A CN114109538B (en) | 2021-11-12 | 2021-11-12 | Double-layer casing Kong Tankong hole blocking structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111342627.1A CN114109538B (en) | 2021-11-12 | 2021-11-12 | Double-layer casing Kong Tankong hole blocking structure |
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| CN114109538A true CN114109538A (en) | 2022-03-01 |
| CN114109538B CN114109538B (en) | 2023-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370605A (en) * | 2022-07-29 | 2022-11-22 | 中国航发沈阳发动机研究所 | Multilayer cartridge receiver plug hole structure |
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| CN208578919U (en) * | 2018-06-29 | 2019-03-05 | 伽博尔精密模具配件（大连）有限公司 | A kind of nitrogen gas spring nitrogen filling plugging device |
| CN112025605A (en) * | 2020-08-20 | 2020-12-04 | 中国航发沈阳发动机研究所 | Hole detector end cap assembly and disassembly tools |
| CN112324527A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Hole plugging structure and casing hole plugging structure thereof |
| CN112324526A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Hole plugging structure and double-layer casing hole plugging structure thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370605A (en) * | 2022-07-29 | 2022-11-22 | 中国航发沈阳发动机研究所 | Multilayer cartridge receiver plug hole structure |
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