CN220839804U - Reliable full-pressure static pressure attack angle integrated clamp - Google Patents
Reliable full-pressure static pressure attack angle integrated clamp Download PDFInfo
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- CN220839804U CN220839804U CN202322505765.8U CN202322505765U CN220839804U CN 220839804 U CN220839804 U CN 220839804U CN 202322505765 U CN202322505765 U CN 202322505765U CN 220839804 U CN220839804 U CN 220839804U
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- 230000003068 static effect Effects 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a reliable full-pressure static pressure attack angle integrated clamp, which comprises a front shell, a rear shell, a static pressure path and an attack angle path which are arranged on the rear shell, and a full-pressure path which is arranged on the front shell, wherein the static pressure path, the attack angle path and the full-pressure path are respectively used for testing a static pressure hole, an attack angle hole and a gas path of the full-pressure hole on a airspeed tube; according to the utility model, the spring is added in the full-pressure nut, and when the full-pressure nut is screwed in, the full-pressure sealing ring is pressed on the airspeed tube by the pressure of the spring to realize sealing, so that the clamp is prevented from being ejected out of the airspeed tube, and the air tightness is ensured; when the fixture is sleeved on the airspeed tube, the fixture attack angle hole and the fixture attack angle path are aligned through the limiting block without visual alignment, so that the operation is simple and convenient; the attack angle sealing ring is designed into a saddle shape, so that the arc surface of the airspeed tube is exactly matched with the arc surface of the attack angle sealing ring, and the tightness is ensured.
Description
Technical Field
The utility model relates to the technical field of aerospace, in particular to a reliable all-pressure static pressure attack angle integrated clamp.
Background
The fixture is used for leading out the air passage hole of the aircraft so as to test the air system of the aircraft. The air passage opening of an aircraft is generally in the form of a pitot tube, i.e. one or several pitot tubes are provided on the aircraft. The full-pressure static pressure attack angle integrated clamp is provided with a full pressure, an attack angle and a static pressure hole on the airspeed tube, and one clamp needs to simultaneously meet the test of the full pressure, the attack angle and the static pressure, and has the advantages of convenient installation, good air tightness and high reliability. The existing design mode of the clamp is as shown in fig. 1, the clamp is sleeved on a airspeed tube I09, a static pressure lock nut I07 is screwed, a static pressure seal ring I08 is compressed to enable a static pressure path I06 to be sealed, meanwhile, the airspeed tube I09 is clamped, then a full pressure nut I01 is screwed in, a full pressure path is sealed through the full pressure seal ring I02, then an attack angle nut 05 is rotated, an attack angle seal ring I03 is compressed, and an attack angle path I04 is sealed.
When the clamp is used, the clamp comprises: 1. after screwing the static pressure locking nut I07, the clamp is easily ejected from the airspeed tube I09 when the full pressure nut I01 is screwed in. 2. When the clamp is sleeved on the airspeed tube, the attack angle hole of the clamp is required to be aligned with the attack angle path I04 on the airspeed tube by visual observation, so that the operation is inconvenient. 3. The sealing end face of the attack angle sealing ring I03 is a plane, and the airspeed tube is an arc surface, so that the sealing performance of the clamp is unreliable.
Disclosure of utility model
The utility model aims to provide a reliable full-pressure static pressure attack angle integrated clamp, which solves the problems of the prior art and has the advantages of reliable use, convenient operation and good sealing performance.
In order to achieve the above object, the present utility model provides the following solutions:
The utility model provides a reliable full-pressure static pressure attack angle integrated clamp, which comprises a front shell, a rear shell, a static pressure path and an attack angle path which are arranged on the rear shell, and a full-pressure path which is arranged on the front shell, wherein the static pressure path, the attack angle path and the full-pressure path are respectively used for testing a static pressure hole, an attack angle hole and a gas path of the full-pressure hole on a airspeed tube;
The tail end of the rear shell is provided with a static pressure lock nut which is used for compressing and sealing a static pressure sealing ring of the static pressure path;
The front end of the front shell is provided with the full-pressure path, the full-pressure path comprises a full-pressure nut, a spring and a full-pressure rod, the full-pressure nut is sleeved outside the full-pressure rod, the outer part of the full-pressure nut is in threaded connection with the front shell, the inner part of the full-pressure nut is connected with the full-pressure rod through the spring, the inner part of the full-pressure rod is a full-pressure gas path, and the tail end of the full-pressure rod is provided with a full-pressure sealing ring for sealing the full-pressure rod and the airspeed tube;
A limiting block is arranged at the joint of the front shell and the rear shell, the limiting block is clamped between the front shell and the rear shell, the limiting block is used for transversely limiting the airspeed tube, and an attack angle hole on the airspeed tube after limiting is opposite to an air path of the attack angle path;
the attack angle sealing ring arranged at the tail end of the attack angle road is a saddle type sealing ring.
Preferably, the front housing and the rear housing are connected by bolts.
Preferably, a guide hole and a spring hole are arranged in the full-pressure nut, the guide hole is in sliding connection with the full-pressure rod, the head end of the spring abuts against the hole bottom of the spring hole, and the tail end of the spring abuts against a step arranged on the full-pressure rod.
Preferably, the attack angle path comprises an attack angle rod with an attack angle gas path inside and an attack angle nut, the attack angle nut is embedded in the rear shell, the attack angle rod is in threaded connection with the attack angle nut, and the attack angle sealing ring is arranged at the tail end of the attack angle rod.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. According to the reliable full-pressure static pressure attack angle integrated clamp provided by the utility model, the spring is added in the full-pressure nut, and when the full-pressure nut is screwed in, the full-pressure sealing ring is pressed on the airspeed tube by the pressure of the spring to realize sealing, so that the clamp is prevented from being ejected out of the airspeed tube, and the air tightness is ensured.
2. According to the reliable full-pressure static pressure attack angle integrated clamp provided by the utility model, the limiting block is added, and when the clamp is sleeved on the airspeed tube, the alignment of the airspeed tube attack angle hole and the clamp attack angle path is realized through the limiting block, so that visual alignment is not needed, and the operation is simple and convenient.
3. The reliable full-pressure static pressure attack angle integrated clamp provided by the utility model has the advantages that the attack angle sealing ring is designed into a saddle shape, so that the arc surface of the airspeed tube is exactly matched with the arc surface of the attack angle sealing ring, and the tightness is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a prior art integrated fixture for full pressure static pressure attack angle;
FIG. 2 is a schematic structural view of a reliable all-pressure static pressure attack angle integrated clamp in the utility model;
FIG. 3 is a schematic view of the structure of the angle of attack seal ring;
FIG. 4 is a cross-sectional view of FIG. 3;
in the figure: 01. full-pressure nut I; 02. full-pressure sealing ring I; 03. an attack angle sealing ring I; 04. angle of attack road one; 05. an attack angle nut I; 06. static pressure path I; 07. a static pressure lock nut I; 08. a static pressure sealing ring I; 09. airspeed tube one.
1. A full-pressure nut; 2. a spring; 3.a full-pressure sealing ring; 4. a limiting block; 5. an attack angle sealing ring; 6. angle of attack road; 7. an angle of attack nut; 8. a static pressure path; 9. a static pressure sealing ring; 10. a static pressure lock nut; 11. a airspeed tube; 12. a front housing; 13. a rear housing; 14. and a full compression bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a reliable all-pressure static pressure attack angle integrated clamp, which solves the problems in the prior art.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The reliable full-pressure static pressure attack angle integrated clamp in the embodiment, as shown in fig. 2-4, comprises a front shell 12 and a rear shell 13, wherein the front shell 12 is connected with the rear shell 13 through bolts, a static pressure path 8, an attack angle path 6 and a full-pressure path arranged on the rear shell 13 are arranged on the front shell 12, and the static pressure path 8, the attack angle path 6 and the full-pressure path are respectively used for testing the air paths of a static pressure hole, an attack angle hole and the full-pressure hole on a airspeed tube 11;
the tail end of the rear shell 13 is provided with a static pressure locking nut 10, and the static pressure locking nut 10 is used for compressing and sealing a static pressure sealing ring 9 of the static pressure path 8;
The head end of the front shell 12 is provided with a full pressure path, the full pressure path comprises a full pressure nut 1, a spring 2 and a full pressure rod 14, the full pressure nut 1 is sleeved outside the full pressure rod 14, the outside of the full pressure nut 1 is in threaded connection with the front shell 12, the inside of the full pressure nut 1 is connected with the full pressure rod 14 through the spring 2, the inside of the full pressure rod 14 is a full pressure gas path, and the tail end of the full pressure rod 14 is provided with a full pressure sealing ring 3 for sealing the full pressure rod 14 and the airspeed tube 11; the full-pressure nut 1 is internally provided with a guide hole and a spring 2 hole, the guide hole is in sliding connection with the full-pressure rod 14, the head end of the spring 2 abuts against the hole bottom of the spring 2 hole, and the tail end of the spring 2 abuts against a step arranged on the full-pressure rod 14.
A limiting block 4 is arranged at the joint of the front shell 12 and the rear shell 13, the limiting block 4 is clamped between the front shell 12 and the rear shell 13, the limiting block 4 is used for transversely limiting the airspeed tube 11, and an attack angle hole on the airspeed tube 11 after limiting is opposite to the air passage of the attack angle path 6;
The attack angle sealing ring 5 arranged at the tail end of the attack angle path 6 is a saddle type sealing ring; the attack angle path 6 specifically comprises an attack angle rod with an attack angle gas path inside and an attack angle nut 7, wherein the attack angle nut 7 is embedded in the rear shell 13, the attack angle rod is in threaded connection with the attack angle nut 7, and the attack angle sealing ring 5 is arranged at the tail end of the attack angle rod.
The reliable full-pressure static pressure attack angle integrated clamp works as follows:
The fixture is sleeved on the airspeed tube 11, the static pressure lock nut 10 is screwed, the static pressure sealing ring 9 is compressed to enable the static pressure path 8 to be sealed, meanwhile, the airspeed tube 11 is clamped, then the full pressure nut 1 is screwed in, the full pressure rod 14 is pushed by the pressure of the spring 2, the full pressure sealing ring 3 is pressed on the airspeed tube 11 to achieve sealing, the attack angle nut 7 is rotated, the attack angle sealing ring 5 is compressed, and the attack angle path 6 is sealed.
The principles and embodiments of the present utility model have been described with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the utility model.
Claims (4)
1. A reliable all-pressure static pressure attack angle integral type anchor clamps, its characterized in that: the device comprises a front shell, a rear shell, a static pressure path, an attack angle path and a full pressure path, wherein the static pressure path, the attack angle path and the full pressure path are arranged on the rear shell and are respectively used for testing air paths of a static pressure hole, an attack angle hole and a full pressure hole on a airspeed tube;
The tail end of the rear shell is provided with a static pressure lock nut which is used for compressing and sealing a static pressure sealing ring of the static pressure path;
The front end of the front shell is provided with the full-pressure path, the full-pressure path comprises a full-pressure nut, a spring and a full-pressure rod, the full-pressure nut is sleeved outside the full-pressure rod, the outer part of the full-pressure nut is in threaded connection with the front shell, the inner part of the full-pressure nut is connected with the full-pressure rod through the spring, the inner part of the full-pressure rod is a full-pressure gas path, and the tail end of the full-pressure rod is provided with a full-pressure sealing ring for sealing the full-pressure rod and the airspeed tube;
A limiting block is arranged at the joint of the front shell and the rear shell, the limiting block is clamped between the front shell and the rear shell, the limiting block is used for transversely limiting the airspeed tube, and an attack angle hole on the airspeed tube after limiting is opposite to an air path of the attack angle path;
the attack angle sealing ring arranged at the tail end of the attack angle road is a saddle type sealing ring.
2. The reliable all-in-one fixture for static pressure angle of attack of claim 1, wherein: the front shell is connected with the rear shell through bolts.
3. The reliable all-in-one fixture for static pressure angle of attack of claim 1, wherein: the full-pressure nut is internally provided with a guide hole and a spring hole, the guide hole is in sliding connection with the full-pressure rod, the head end of the spring is propped against the hole bottom of the spring hole, and the tail end of the spring is propped against a step arranged on the full-pressure rod.
4. The reliable all-in-one fixture for static pressure angle of attack of claim 1, wherein: the attack angle road comprises an attack angle rod with an attack angle gas path and an attack angle nut, wherein the attack angle nut is embedded in the rear shell, the attack angle rod is in threaded connection with the attack angle nut, and the attack angle sealing ring is arranged at the tail end of the attack angle rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505765.8U CN220839804U (en) | 2023-09-15 | 2023-09-15 | Reliable full-pressure static pressure attack angle integrated clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505765.8U CN220839804U (en) | 2023-09-15 | 2023-09-15 | Reliable full-pressure static pressure attack angle integrated clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220839804U true CN220839804U (en) | 2024-04-26 |
Family
ID=90743588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322505765.8U Active CN220839804U (en) | 2023-09-15 | 2023-09-15 | Reliable full-pressure static pressure attack angle integrated clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220839804U (en) |
-
2023
- 2023-09-15 CN CN202322505765.8U patent/CN220839804U/en active Active
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