CN219139800U - Hole plugging device for detecting air tightness of frame plate structure parts - Google Patents
Hole plugging device for detecting air tightness of frame plate structure parts Download PDFInfo
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- CN219139800U CN219139800U CN202222881224.0U CN202222881224U CN219139800U CN 219139800 U CN219139800 U CN 219139800U CN 202222881224 U CN202222881224 U CN 202222881224U CN 219139800 U CN219139800 U CN 219139800U
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- frame plate
- tensioner
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- plate structure
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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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Abstract
A hole plugging device for detecting air tightness of frame plate structural parts is provided with an adjusting baffle plate, a spring baffle plate assembly, a sealing plug cover assembly, a tensioner and a tensioner locking nut; the sealing blanking cover assembly comprises a blanking cover, a sealing gasket and a sealing ring, wherein the blanking cover is of a disc structure with an annular boss at one end, the bottom surface of the disc can cover all holes on frame plate structure parts, a blanking cover central hole is formed, and two groups of oppositely arranged grooves are formed in the annular boss; the spring baffle plate component is arranged in the annular boss of the blanking cover; the adjusting baffle is of a circular plate structure with a central hole, is arranged in the annular boss of the blanking cover and is positioned at the outer side of the spring baffle component; the front end of the tensioner penetrates through the central hole of the blanking cover and the central hole of the adjusting baffle plate and then is assembled with the locking nut of the tensioner. The utility model realizes the one-time full-coverage blocking of all holes on the frame plate structure type part, and achieves the purposes of meeting the air tightness detection requirement of the frame plate structure type part and improving the side detection working efficiency.
Description
Technical Field
The utility model relates to a hole plugging device, in particular to a hole plugging device for detecting the air tightness of frame plate structural parts.
Background
As shown in figure 9, the sealing part of a certain type of aircraft is a frame plate structure part 8, the central hole is a special equipment mounting hole 8-1, a plurality of small assembly holes 8-2 are also formed in the periphery of the central hole, after the aircraft passes through a service cycle, the frame plate structure part 8 needs to be subjected to tightness detection through an airtight test, and in the process, the special equipment mounting hole 8-1 and the peripheral small assembly holes 8-2 need to be plugged.
At present, for the blocking of the mounting holes 8-1 of special equipment and the peripheral small assembly holes 8-2 thereof, putty or a method for blocking the blocking holes is generally adopted. The putty hole plugging is to coat putty on the cover plate and shape the putty, place the cover plate coated with putty at the hole of the frame plate, apply external force to the cover plate, and realize the plugging of the hole through the deformation of the putty. Because the putty changes obviously along with the environmental temperature, the putty becomes soft when the air temperature rises, and the putty is adhered to the joint of the frame plates and is difficult to clean; the putty with low air temperature is hardened, so that the joint of the frame and the plate is sealed tightly to leak air. The blocking and plugging is to place the blocking into the hole, and expand the blocking through the expansion device to realize the plugging of the hole. However, no matter the putty cover plate or the blockage can only block a single hole, the special equipment mounting hole 8-1 and the peripheral small assembly holes 8-2 cannot be covered at one time, and the quick blocking is realized.
Disclosure of Invention
The utility model provides a hole plugging device for detecting the air tightness of a frame plate structure part, and aims to realize one-time full-coverage plugging of all holes on the frame plate structure part by matching parts such as an adjusting baffle plate, a spring baffle plate assembly, a sealing plugging cover assembly, a tensioner and the like, so as to fulfill the aim of meeting the air tightness detection requirement of the frame plate structure part and improving the side detection working efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hole plugging device for detecting air tightness of frame plate structural parts is provided with an adjusting baffle plate, a spring baffle plate assembly, a sealing plug cover assembly, a tensioner and a tensioner locking nut; the sealing plug cover assembly comprises a plug cover, a sealing gasket and a sealing ring, wherein the sealing gasket and the sealing ring are assembled with the plug cover, the plug cover is of a disc structure with an annular boss at one end, the bottom surface of the disc can cover all holes on parts of the frame plate structure, the bottom surface of the disc is provided with a central hole of the plug cover, and two groups of oppositely arranged grooves are formed in the annular boss; the spring baffle plate assembly consists of an upper baffle plate, a compression spring and a lower baffle plate, wherein the upper baffle plate is connected with the lower baffle plate through the compression spring, and the spring baffle plate assembly is arranged in the annular boss of the blanking cover; the adjusting baffle is of a circular plate structure with a central hole, is arranged in the annular boss of the blanking cover, is positioned at the outer side of the spring baffle assembly and is attached to the upper baffle and the lower baffle of the spring baffle assembly; the front end of the tensioner penetrates through the central hole of the blanking cover and the central hole of the adjusting baffle plate and then is assembled with the locking nut of the tensioner.
The hole plugging device for detecting the air tightness of the frame plate structural parts is characterized in that an annular inner groove is formed in the central hole of the plugging cover, and a sealing ring in a sealing plugging cover assembly is arranged in the annular inner groove; an annular outer groove is formed in the root of the outer wall of the annular boss of the blanking cover, and a sealing gasket in the sealing blanking cover component is arranged in the annular outer groove.
The hole plugging device for detecting the air tightness of the frame plate structural parts is characterized in that the rear end of the tensioner is provided with a handle; the upper end of the handle is assembled with the tensioner through a pin shaft, and the outer surface of the upper end of the handle is an eccentric arc surface.
Above-mentioned a hole blocking device for frame plate structure class part gas tightness detects, compression spring is two sets of in the spring separation blade subassembly, is bilateral symmetry state and arranges.
Above-mentioned a stifled hole device for frame plate structure class part gas tightness detects, strainer locking nut is the butterfly nut.
The utility model relates to a hole plugging device for detecting air tightness of frame plate structure parts, which is characterized in that one end of a plugging cover is provided with an annular boss with two groups of slots which are oppositely arranged, a baffle plate component is arranged in the annular boss, and a compression spring of the baffle plate component is in a compression state in an initial state. When the air tightness detection of the frame plate structure type part is carried out, the front end of the tensioner of the utility model is penetrated out of a special equipment assembly hole of the frame plate structure type part, and then the handle is pressed down, so that the upper baffle plate and the lower baffle plate of the spring baffle plate are pressed and fixed by the adjusting baffle plate; then the tensioner is rotated by 90 degrees around the central axis of the tensioner through the handle to drive the blanking cover to rotate, and when two groups of slots oppositely arranged on the blanking cover are consistent with the central axis direction of the baffle plate component, the upper baffle plate and the lower baffle plate are driven to extend out of the slots under the action of the elasticity of the compression spring in the baffle plate component, and the upper baffle plate and the lower baffle plate are attached to the outer wall of the detected frame plate structural part; and then lifting the handle, adjusting the nut at the front end of the tensioner to a set position, and pressing the handle downwards, so that the sealing gasket in the plugging cover assembly is tightly attached to the frame plate structure part, and plugging of all holes in the frame plate structure part is realized. Therefore, the utility model realizes the one-time full-coverage blocking of all holes on the frame plate structure parts, and achieves the purposes of meeting the air tightness detection requirement of the frame plate structure parts and improving the side detection working efficiency.
Drawings
FIG. 1 is a schematic cross-sectional view of a hole plugging device for detecting air tightness of frame plate structural parts;
FIG. 2 is an exploded view of the structure of the hole plugging device for detecting the air tightness of the frame plate structure type parts;
FIG. 3 is a schematic view of a spring retainer assembly;
FIG. 4 is an exploded view of the closure assembly;
FIGS. 5 and 6 are schematic views of the spring retainer assembly extending from the annular boss of the blanking cover;
fig. 7 and 8 are schematic diagrams of the hole plugging process of the frame plate structure part according to the utility model;
fig. 9 is a front view of a frame plate structure-like part.
The reference numerals in the drawings are defined as follows:
1 is a tensioner locking nut; 2 is an adjusting baffle; 3 is a spring baffle component, 3-1 is an upper baffle, 3-2 is a compression spring, and 3-3 is a lower baffle; 4 is a sealing blanking cover component, 4-1 is a sealing gasket, 4-2 is a blanking cover, 4-2-1 is an annular boss, 4-2-2 is a notch, and 4-3 is a sealing ring; 5 is a tensioner; 6 is a pin shaft; 7 is a handle; 8 are frame plate structure parts, 8-1 are special equipment mounting holes, and 8-2 are small assembly holes.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific examples.
Referring to fig. 1, 2 and 9, the utility model provides a hole plugging device for detecting the air tightness of a frame plate structure part, and a specific embodiment of the hole plugging device is used for solving the problem of plugging a special device mounting hole 8-1 and a plurality of small peripheral assembly holes 8-2 of the frame plate structure part 8 of a sealing part of an aircraft when the air tightness is detected. The hole plugging device is provided with an adjusting baffle plate 2, a spring baffle plate component 3, a sealing plug cover component 4, a tensioner 5 and a tensioner locking nut 1; the assembly relationship is shown in fig. 1 and 2.
Referring to fig. 1, 2 and 3, the hole plugging device for detecting the air tightness of the frame plate structural parts is characterized in that a spring baffle plate assembly 3 consists of an upper baffle plate 3-1, a compression spring 3-2 and a lower baffle plate 3-3, and the upper baffle plate 3-1 and the lower baffle plate 3-3 are connected through the compression spring 3-2.
Referring to fig. 1, 2, 3, 4 and 9, the sealing plugging cover assembly 4 of the plugging hole device for detecting the air tightness of the frame plate structure part comprises a plugging cover 4-2, a sealing gasket 4-1 and a sealing ring 4-3, wherein the sealing gasket 4-1 and the sealing ring 4-3 are assembled with the plugging cover 4-2, the plugging cover 4-2 is a disc structure with an annular boss 4-2-1 at one end, the bottom surface of the disc can cover all holes on the frame plate structure part 8, a plugging cover central hole is formed in the bottom surface of the disc, and two groups of oppositely arranged slots 4-2-2 are formed in the annular boss 4-2-1; the spring baffle plate component 3 is arranged in the annular boss 4-2-1 of the blanking cover 4-2, and when the central axis of the spring baffle plate component 3 is consistent with the central axis direction of the two groups of the notch grooves 4-2-2 on the annular boss 4-2-1 of the blanking cover 4-2, the upper baffle plate 3-1 and the lower baffle plate 3-3 in the spring baffle plate component 3 can respectively extend out of the two groups of the notch grooves 4-2-2 under the action of the elasticity of the compression spring 3-2.
Referring to fig. 1, 2, 3 and 4, the hole plugging device for detecting the air tightness of a frame plate structure part disclosed by the utility model has the advantages that the adjusting baffle plate 2 is of a circular plate structure with a central hole, is arranged in the annular boss 4-2-1 of the plugging cover 4-2, is positioned at the outer side of the spring baffle plate assembly 3 and is attached to the upper baffle plate 3-1 and the lower baffle plate 3-3 of the spring baffle plate assembly 3; the front end of the tensioner 5 passes through the central hole of the blanking cover and the central hole of the adjusting baffle and then is assembled with the locking nut 1 of the tensioner, and in the specific embodiment of the utility model, the locking nut 1 adopts a butterfly nut.
Referring to fig. 1, 5, 6, 7, 8 and 9, the hole plugging device for detecting the air tightness of a frame plate structure part is provided with an annular boss 4-2-1 with two groups of oppositely arranged slots 4-2-2 at one end of a plugging cover 4-2, a baffle plate assembly 3 is arranged in the annular boss 4-2-1, and a compression spring 3-2 of the baffle plate assembly 3 is in a compressed state in an initial state. When the air tightness of the frame plate structure type part 8 is detected, the front end of the tensioner 5 is penetrated out of a special equipment assembly hole 8-1 of the frame plate structure type part 8, and then the handle 7 is pressed down, so that the upper baffle plate 3-1 and the lower baffle plate 3-3 of the spring baffle plate 3 are pressed and fixed by the adjusting baffle plate 2; then the tensioner 5 rotates 90 degrees around the central axis of the tensioner through the handle 7 to drive the blanking cover 4-2 to rotate, when the central axis of two groups of slots 4-2-2 oppositely arranged on the annular boss 4-2-1 of the blanking cover 4-2 is consistent with the central axis direction of the baffle plate component 3, the upper baffle plate 3-1 and the lower baffle plate 3-2 are driven to extend out of the slots 4-2-2 under the action of the elasticity of the compression spring 3-2 in the baffle plate component 3 (as shown in figures 5 and 6), and the upper baffle plate 3-1 and the lower baffle plate 3-3 are attached to the outer wall of the measured frame plate structural part 8; and then lifting the handle 7, adjusting the butterfly nut at the front end of the tensioner 5 to a set position, and then pressing down the handle 7, wherein the sealing gasket 4-1 in the sealing cover assembly 4 is tightly attached to the outer wall of the frame plate structure part 8, so that the sealing of all holes on the frame plate structure part 8 is realized.
Claims (5)
1. A stifled hole device that is used for frame plate structure class part gas tightness to detect, its characterized in that: the device is provided with an adjusting baffle (2), a spring baffle component (3), a sealing plug component (4), a tensioner (5) and a tensioner locking nut (1); the sealing plug cover assembly (4) comprises a plug cover (4-2), a sealing gasket (4-1) and a sealing ring (4-3), wherein the sealing gasket (4-1) and the sealing ring (4-3) are assembled with the plug cover (4-2), the plug cover (4-2) is of a disc structure with an annular boss (4-2-1) at one end, the bottom surface of the disc can cover all holes on a frame plate structure part (8), a plug cover central hole is formed in the bottom surface of the disc, and two groups of oppositely arranged grooves (4-2-2) are formed in the annular boss (4-2-1); the spring baffle assembly (3) consists of an upper baffle (3-1), a compression spring (3-2) and a lower baffle (3-3), the upper baffle (3-1) and the lower baffle (3-3) are connected through the compression spring (3-2), and the spring baffle assembly (3) is arranged in an annular boss (4-2-1) of the blanking cover (4-2); the adjusting baffle (2) is of a circular plate structure with a central hole, is arranged in the annular boss (4-2-1) of the blanking cover (4-2), is positioned at the outer side of the spring baffle assembly (3), and is attached to the upper baffle (3-1) and the lower baffle (3-3) of the spring baffle assembly (3); the front end of the tensioner (5) passes through the central hole of the blanking cover and the central hole of the adjusting baffle and is assembled with the locking nut (1) of the tensioner.
2. The hole plugging device for detecting air tightness of frame plate structure parts according to claim 1, wherein: an annular inner groove is formed in the central hole of the plugging cover, and a sealing ring (4-3) in the sealing plugging cover assembly (4) is arranged in the annular inner groove; an annular outer groove is formed in the root of the outer wall of the annular boss (4-2-1) of the plug cover (4-2), and a sealing gasket (4-1) in the sealing plug cover assembly (4) is installed in the annular outer groove.
3. The hole plugging device for detecting air tightness of frame plate structure parts according to claim 2, wherein: a handle (7) is arranged at the rear end of the tensioner (5); the upper end of the handle (7) is assembled with the tensioner (5) through the pin shaft (6), and the outer surface of the upper end of the handle (7) is an eccentric arc surface.
4. A hole plugging device for detecting air tightness of frame plate structure parts according to claim 3, wherein: the compressed springs (3-2) in the spring baffle plate assembly (3) are arranged in two groups in a bilateral symmetry state.
5. The hole plugging device for detecting air tightness of frame plate structure parts according to claim 3 or 4, wherein the hole plugging device is characterized in that: the tensioner locking nut (1) is a butterfly nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881224.0U CN219139800U (en) | 2022-10-31 | 2022-10-31 | Hole plugging device for detecting air tightness of frame plate structure parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881224.0U CN219139800U (en) | 2022-10-31 | 2022-10-31 | Hole plugging device for detecting air tightness of frame plate structure parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219139800U true CN219139800U (en) | 2023-06-06 |
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ID=86563617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222881224.0U Active CN219139800U (en) | 2022-10-31 | 2022-10-31 | Hole plugging device for detecting air tightness of frame plate structure parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219139800U (en) |
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2022
- 2022-10-31 CN CN202222881224.0U patent/CN219139800U/en active Active
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