CN214793635U - Aviation pipe gas tightness detects uses end cap - Google Patents
Aviation pipe gas tightness detects uses end cap Download PDFInfo
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- CN214793635U CN214793635U CN202121261857.0U CN202121261857U CN214793635U CN 214793635 U CN214793635 U CN 214793635U CN 202121261857 U CN202121261857 U CN 202121261857U CN 214793635 U CN214793635 U CN 214793635U
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Abstract
The utility model discloses an aviation conduit air tightness detection plug, including two semi-annular clamps, form the annular mounting groove that link up between the adjacent semi-annular clamp, blockking block, inside lining have set gradually in the annular mounting groove, the bottom of blockking block is provided with the installation cavity, and the pipe stretches into the installation cavity and blocks the joint through annular mounting groove, and the neck bush is established in the outside of pipe, and inside lining and installation cavity threaded connection; the top of the interior of the installation cavity is circumferentially provided with an annular clamping bulge, the top of the catheter is circumferentially and correspondingly provided with an annular clamping installation sheet, and the clamping installation sheet is provided with a clamping avoiding groove corresponding to the clamping bulge; the top of the lining is provided with a sealing elastic groove corresponding to the clamping bulge; and the middle part of the blocking block is provided with a vent hole. The utility model discloses a inside lining is with pipe and sprue zonulae occludens, and has realized through setting up of sealed elasticity recess that sealed setting has had better practicality between inside lining, pipe, the sprue three.
Description
Technical Field
The utility model belongs to the technical field of the sealed detection device of pipe, concretely relates to aviation pipe gas tightness detects uses end cap.
Background
In the aviation industry, the function of the conduit plays an extremely important role as that of the human blood vessel, and if the air tightness of the conduit is in problem, accidents are easy to happen.
The airtightness test is a test method in which compressed air (or ammonia, freon, helium, halogen gas, or the like) is forced into a container and the presence or absence of leakage is checked by the pressure difference between the gas inside and outside the container, and is an important and frequently used method in the aviation industry. The air tightness detection needs an air tightness detector, and the air tightness detector is a device specially applied to tightness detection of cavity mechanical products. The plug structure is an important structural component in the tightness detection process. The plugging effect of the plug directly influences the accuracy and the repeatability of the tightness test. Due to the structural diversity and the use specificity of the product, various sealing modes and structures are derived. The plugging structure is limited by production beat and space position in the actual production process, and has the characteristics of simple operation and small structure, and is convenient to maintain, so that the structural research of the plug for detecting the air tightness has great research value.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aviation pipe gas tightness detects uses end cap, through the inside lining with pipe and sprue zonulae occludens, and realized sealed setting, have better practicality.
The utility model discloses mainly realize through following technical scheme:
the plug for detecting the air tightness of the aviation conduit comprises two semi-annular hoops, wherein one ends of the two adjacent semi-annular hoops are hinged, and the other ends of the two adjacent semi-annular hoops are connected through a locking device; a through annular mounting groove is formed between adjacent semi-annular clamps, a plugging block and a lining are sequentially arranged in the annular mounting groove from top to bottom, a mounting cavity is formed at the bottom of the plugging block, a conduit extends into the mounting cavity through the annular mounting groove and is clamped with the plugging block, the lining is sleeved on the outer side of the conduit, and the lining is in threaded connection with the mounting cavity; the top of the interior of the installation cavity is circumferentially provided with an annular clamping bulge, the top of the catheter is circumferentially and correspondingly provided with an annular clamping installation sheet, and the clamping installation sheet is provided with a clamping avoiding groove corresponding to the clamping bulge; the top of the lining is provided with a sealing elastic groove corresponding to the clamping bulge; and the middle part of the blocking block is provided with a vent hole.
The utility model discloses in the use, at first with locking device unscrewing, make the separation of adjacent semi-ring shaped clamp, place the sprue between adjacent semi-ring shaped clamp, then screw locking device in advance, then stretch into the installation cavity of sprue with the pipe to through protruding and installation cavity joint of joint, set up the inside lining screw thread in the installation cavity, and be located the outside of pipe, sealed elasticity recess on the inside lining sets up with the protruding sealed setting of joint, when rotatory inside lining makes sealed elasticity recess and the protruding contact of joint, sealed elasticity recess centers on the protruding rotation of joint along with the rotation of inside lining, closely laminates realization sealing connection until sealed elasticity recess and joint are protruding. And finally, screwing the locking device to realize integral connection and fixation. The utility model discloses a inside lining is with pipe and sprue zonulae occludens, and has realized through setting up of sealed elasticity recess that sealed setting has had better practicality between inside lining, pipe, the sprue three.
In order to realize better the utility model discloses, furtherly, the inside of mounting groove is provided with annular installation spacing groove along circumference, the outside correspondence of sprue is provided with the spacing arch of installation, the spacing arch of installation and installation spacing groove joint.
In order to realize better the utility model discloses, furtherly, the inside of mounting groove is provided with annular installation spacing groove along circumference, the outside of inside lining, sprue is provided with the spacing boss that agrees with each other along circumference respectively, and adjacent spacing boss constitutes the spacing arch of installation, install spacing arch and installation spacing groove joint.
In order to better realize the utility model discloses, furtherly, be provided with the sealing washer between the adjacent spacing boss.
In order to realize better the utility model discloses, furtherly, the link of adjacent spacing boss is provided with half seal groove respectively, is provided with the sealing washer between the adjacent half seal groove.
In order to realize better the utility model discloses, furtherly, the link of the spacing boss of inside lining is provided with annular sealed protruding along circumference, the link correspondence of the spacing boss of sprue is provided with annular sealed joint groove.
In the use process of the utility model, the mounting groove is connected with the mounting limiting bulge in a limiting way through the mounting limiting groove, when the lining is screwed into the mounting cavity, the limiting boss at the outer side of the lining is closely matched with the limiting boss on the blocking block; the adjacent limiting bosses form mounting limiting bulges clamped with the mounting limiting grooves. The utility model discloses a spacing bellied setting realizes through mounting groove spacing installation sprue, inside lining simultaneously, has improved the installation stability of integrated device, has better practicality.
Be provided with the sealing washer between the adjacent spacing boss, spacing boss on the inside lining is through sealed protruding sealed joint groove on the spacing boss on with the sprue and agree with the setting, during rotatory inside lining, sealed protruding edge sealed joint groove rotation, until both closely laminate. The utility model discloses a sealing washer and sealed arch set up the leakproofness that has improved inside lining and sprue with the cooperation in sealed joint groove, have strengthened the reliability of gas tightness test, have better practicality.
In order to realize better the utility model discloses, furtherly, the upper and lower both sides of installation spacing groove are provided with the inclined plane respectively, the installation face that is provided with the slope is corresponded respectively to the upper and lower both sides of installation spacing arch.
In order to better realize the utility model, the locking device further comprises an adjusting bolt and an adjusting nut, one end of the adjusting bolt is fixedly connected with one semi-annular hoop, and the other end of the adjusting bolt upwards passes through the other semi-annular hoop to be connected with the adjusting nut; and the other semi-annular hoop is provided with an adjusting hole corresponding to the free end of the adjusting bolt.
In order to better realize the utility model discloses, further, the outside opening setting of regulation hole.
The utility model has the advantages that:
(1) the utility model tightly connects the conduit with the block through the lining, and realizes the sealing arrangement among the lining, the conduit and the block through the arrangement of the sealing elastic groove, thereby having better practicability;
(2) the utility model realizes the limit installation of the plugging block and the lining through the installation groove by setting the limit bulge, improves the installation stability of the whole device and has better practicability;
(3) the utility model discloses a sealing washer and sealed arch set up the leakproofness that has improved inside lining and sprue with the cooperation in sealed joint groove, have strengthened the reliability of gas tightness test, have better practicality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of one side of the liner of the present invention;
FIG. 3 is a schematic view of the installation of the plugs and liner;
FIG. 4 is a schematic view of an installation limiting groove and an installation limiting protrusion;
fig. 5 is a schematic view of the location of the sealing ring.
Wherein: 10. a semi-annular hoop; 11. a liner; 12. a seal ring; 13. a vent hole; 14. a locking device; 15. adjusting the bolt; 16. blocking; 17. installing a limiting groove; 18. a conduit; 19. clamping the bulges; 20. sealing the elastic groove; 21. and installing a limiting bulge.
Detailed Description
Example 1:
the plug for detecting the air tightness of the aviation conduit comprises two semi-annular hoops 10, wherein one ends of the two adjacent semi-annular hoops 10 are hinged, and the other ends of the two adjacent semi-annular hoops are connected through a locking device 14; a through annular mounting groove is formed between adjacent semi-annular hoops 10, a block 16 and a lining 11 are sequentially arranged in the annular mounting groove from top to bottom, a mounting cavity is formed at the bottom of the block 16, a conduit 18 extends into the mounting cavity through the annular mounting groove and is clamped with the block 16, the lining 11 is sleeved on the outer side of the conduit 18, and the lining 11 is in threaded connection with the mounting cavity; an annular clamping bulge 19 is circumferentially arranged at the top inside the mounting cavity, an annular clamping mounting piece is correspondingly circumferentially arranged at the top of the guide pipe 18, and a clamping avoiding groove is formed in the clamping mounting piece corresponding to the clamping bulge 19; the top of the lining 11 is provided with a sealing elastic groove 20 corresponding to the clamping bulge 19; the middle part of the block 16 is provided with a vent hole 13.
The utility model discloses in the use, at first with locking device 14 unscrewing, make the separation of adjacent semi-annular clamp 10, place sprue 16 between adjacent semi-annular clamp 10, then screw locking device 14 in advance, then stretch into sprue 16's installation cavity with pipe 18 to through protruding 19 of joint and installation cavity joint, with 11 screw thread settings of inside lining in the installation cavity, and be located the outside of pipe 18, sealed elastic groove 20 and the protruding 19 sealed setting of joint on the inside lining 11, when rotatory inside lining 11 makes sealed elastic groove 20 and the protruding 19 contact of joint, sealed elastic groove 20 rotates around the protruding 19 of joint along with the rotation of inside lining 11, closely laminates realization sealing connection until sealed elastic groove 20 and the protruding 19 of joint. Finally, the locking device 14 is screwed to realize integral connection and fixation. The utility model discloses a inside lining 11 is with pipe 18 and sprue 16 zonulae occludens, and has realized through setting up of sealed elasticity recess 20 that sealed setting between inside lining 11, pipe 18, the sprue 16 three has better practicality.
Example 2:
this embodiment is optimized on the basis of embodiment 1, the inside of mounting groove is provided with annular installation spacing groove 17 along circumference, the outside correspondence of sprue 16 is provided with installation spacing arch 21, installation spacing arch 21 and installation spacing groove 17 joint.
Furthermore, the upper side and the lower side of the installation limiting groove 17 are respectively provided with an inclined surface, and the upper side and the lower side of the installation limiting protrusion 21 are respectively correspondingly provided with an inclined installation surface.
The utility model discloses in the use, the mounting groove is through installation spacing groove 17 with the spacing connection of installation spacing arch 21, the utility model discloses a setting of installation spacing arch 21 realizes through the spacing installation sprue 16 of mounting groove, has improved the installation stability of whole device, has better practicality.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
this embodiment is optimized on embodiment 1's basis, the inside of mounting groove is provided with annular installation spacing groove 17 along circumference, the outside of inside lining 11, sprue 16 is provided with the spacing boss that agrees with each other along circumference respectively, and adjacent spacing boss constitutes installation spacing arch 21, installation spacing arch 21 and installation spacing groove 17 joint.
Further, a sealing ring 12 is arranged between the adjacent limiting bosses.
Further, the connecting ends of adjacent limiting bosses are respectively provided with a half sealing groove, and a sealing ring 12 is arranged between the adjacent half sealing grooves.
Further, the connecting end of the limiting boss of the lining 11 is provided with an annular sealing bulge along the circumferential direction, and the connecting end of the limiting boss of the plugging block 16 is correspondingly provided with an annular sealing clamping groove.
Furthermore, the upper side and the lower side of the installation limiting groove 17 are respectively provided with an inclined surface, and the upper side and the lower side of the installation limiting protrusion 21 are respectively correspondingly provided with an inclined installation surface.
In the use process of the utility model, the mounting groove is connected with the mounting limit bulge 21 in a limiting way through the mounting limit groove 17, when the lining 11 is screwed into the mounting cavity, the limit boss at the outer side of the lining 11 is closely matched with the limit boss on the block 16; the adjacent limiting bosses form mounting limiting protrusions 21 clamped with the mounting limiting grooves 17. The utility model discloses a spacing bellied setting realizes through mounting groove spacing installation sprue 16, inside lining 11 simultaneously, has improved the installation stability of integrated device, has better practicality.
Be provided with sealing washer 12 between the adjacent spacing boss, spacing boss on inside lining 11 agrees with the setting through sealed protruding sealed joint groove on the spacing boss on 16 blocks, and when rotatory inside lining 11, sealed protruding edge sealed joint groove rotation, until both closely laminate. The utility model discloses a sealing washer 12 and sealed arch set up the leakproofness that has improved inside lining 11 and sprue 16 with the cooperation in sealed joint groove, have strengthened the reliability of gas tightness test, have better practicality.
Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.
Example 4:
the embodiment is optimized on the basis of any one of embodiments 1 to 3, the locking device 14 comprises an adjusting bolt 15 and an adjusting nut, one end of the adjusting bolt 15 is fixedly connected with one semi-annular clamp 10, and the other end of the adjusting bolt upwards penetrates through the other semi-annular clamp 10 to be connected with the adjusting nut; the other semi-annular clamp 10 is provided with an adjusting hole corresponding to the free end of the adjusting bolt 15.
Further, the outer side of the adjusting hole is opened.
The utility model discloses in the use, at first with locking device 14 unscrewing, make the separation of adjacent semi-annular clamp 10, place sprue 16 between adjacent semi-annular clamp 10, then screw locking device 14 in advance, then stretch into sprue 16's installation cavity with pipe 18 to through protruding 19 of joint and installation cavity joint, with 11 screw thread settings of inside lining in the installation cavity, and be located the outside of pipe 18, sealed elastic groove 20 and the protruding 19 sealed setting of joint on the inside lining 11, when rotatory inside lining 11 makes sealed elastic groove 20 and the protruding 19 contact of joint, sealed elastic groove 20 rotates around the protruding 19 of joint along with the rotation of inside lining 11, closely laminates realization sealing connection until sealed elastic groove 20 and the protruding 19 of joint. Finally, the locking device 14 is screwed to realize integral connection and fixation. The utility model discloses a inside lining 11 is with pipe 18 and sprue 16 zonulae occludens, and has realized through setting up of sealed elasticity recess 20 that sealed setting between inside lining 11, pipe 18, the sprue 16 three has better practicality.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (9)
1. The plug for detecting the air tightness of the aviation conduit is characterized by comprising two semi-annular clamps (10), wherein one ends of the two adjacent semi-annular clamps (10) are hinged, and the other ends of the two adjacent semi-annular clamps are connected through a locking device (14); a through annular mounting groove is formed between adjacent semi-annular clamps (10), a blocking block (16) and a lining (11) are sequentially arranged in the annular mounting groove from top to bottom, a mounting cavity is formed at the bottom of the blocking block (16), a conduit (18) extends into the mounting cavity through the annular mounting groove and is clamped with the blocking block (16), the lining (11) is sleeved on the outer side of the conduit (18), and the lining (11) is in threaded connection with the mounting cavity; an annular clamping bulge (19) is arranged on the top of the inner part of the mounting cavity along the circumferential direction, an annular clamping mounting piece is correspondingly arranged on the top of the guide pipe (18) along the circumferential direction, and a clamping avoiding groove is formed in the clamping mounting piece corresponding to the clamping bulge (19); the top of the lining (11) is provided with a sealing elastic groove (20) corresponding to the clamping bulge (19); and the middle part of the blocking block (16) is provided with a vent hole (13).
2. The plug for detecting the air tightness of the aviation conduit according to claim 1, wherein an annular installation limiting groove (17) is circumferentially arranged inside the installation groove, an installation limiting protrusion (21) is correspondingly arranged on the outer side of the plug block (16), and the installation limiting protrusion (21) is clamped with the installation limiting groove (17).
3. The plug for detecting the air tightness of the aviation conduit according to claim 1, wherein an annular installation limiting groove (17) is circumferentially arranged inside the installation groove, limiting bosses which are mutually fitted are circumferentially arranged on the outer sides of the lining (11) and the plug block (16), adjacent limiting bosses form installation limiting protrusions (21), and the installation limiting protrusions (21) are clamped with the installation limiting groove (17).
4. The plug for detecting the airtightness of the aviation conduit according to claim 3, wherein a sealing ring (12) is arranged between adjacent limiting bosses.
5. The plug for detecting the airtightness of the aviation conduit according to claim 4, wherein the connecting ends of adjacent limiting bosses are respectively provided with a half-seal groove, and a seal ring (12) is arranged between the adjacent half-seal grooves.
6. The plug for detecting the airtightness of the aviation conduit according to claim 5, wherein an annular sealing protrusion is circumferentially disposed at a connecting end of the limiting boss of the lining (11), and an annular sealing clamping groove is correspondingly disposed at a connecting end of the limiting boss of the plug (16).
7. The plug for detecting the airtightness of the aviation conduit according to claim 2 or 3, wherein inclined surfaces are respectively provided on the upper and lower sides of the installation limiting groove (17), and inclined installation surfaces are respectively correspondingly provided on the upper and lower sides of the installation limiting protrusion (21).
8. The plug for detecting the airtightness of an aviation conduit according to any one of claims 1 to 6, wherein the locking device (14) comprises an adjusting bolt (15) and an adjusting nut, one end of the adjusting bolt (15) is fixedly connected with one of the semi-annular clamps (10), and the other end of the adjusting bolt passes through the other semi-annular clamp (10) upwards to be connected with the adjusting nut; and the other semi-annular hoop (10) is provided with an adjusting hole corresponding to the free end of the adjusting bolt (15).
9. The plug for detecting the airtightness of the aviation conduit according to claim 8, wherein an outer opening of the adjusting hole is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261857.0U CN214793635U (en) | 2021-06-07 | 2021-06-07 | Aviation pipe gas tightness detects uses end cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261857.0U CN214793635U (en) | 2021-06-07 | 2021-06-07 | Aviation pipe gas tightness detects uses end cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214793635U true CN214793635U (en) | 2021-11-19 |
Family
ID=78701605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121261857.0U Active CN214793635U (en) | 2021-06-07 | 2021-06-07 | Aviation pipe gas tightness detects uses end cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214793635U (en) |
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2021
- 2021-06-07 CN CN202121261857.0U patent/CN214793635U/en active Active
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