CN213658187U - Gas nozzle flange seal test device - Google Patents
Gas nozzle flange seal test device Download PDFInfo
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- CN213658187U CN213658187U CN202022449890.8U CN202022449890U CN213658187U CN 213658187 U CN213658187 U CN 213658187U CN 202022449890 U CN202022449890 U CN 202022449890U CN 213658187 U CN213658187 U CN 213658187U
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- cambered surface
- gas nozzle
- test device
- top cover
- flange seal
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Abstract
The utility model belongs to the experimental field of gas nozzle, concretely relates to gas nozzle flange seal test device. The testing device comprises a cylinder body, an upper plate arranged at the top of the cylinder body, a bottom plate arranged at the bottom of the cylinder body and a top cover; the barrel is provided with an upper opening and a lower opening, the upper opening consists of a first cambered surface and a second cambered surface, and an included angle between a plane where the first cambered surface is located and a plane where the second cambered surface is located is an obtuse angle; the upper plate is fixed on the first cambered surface, and the top cover is fixed on the second cambered surface; the middle part of the top cover is provided with a through hole. The utility model has the advantages that: the equipment testing device has the advantages that the investment cost on equipment change is not needed during the sealing experiment, the testing cost can be greatly reduced, the testing is simple, the tool is easy to take and place, the testing range is small, and the operation is easy.
Description
Technical Field
The utility model belongs to the experimental field of gas nozzle, concretely relates to gas nozzle flange seal test device.
Background
The gas nozzle of a certain model of aviation requires to test the sealing performance of the flange surface of the nozzle in the process, but when the existing equipment is used for carrying out the sealing test of the flange of the gas nozzle, the nozzle assembly is large in size and large in mass and cannot be assembled on the existing equipment, so that the equipment needs to be modified, the improvement on the equipment is huge in telephone charge, the operation is also very inconvenient, the efficiency is low, and the consumed time is long.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a gas nozzle flange seal test device.
The utility model aims at solving through the following technical scheme:
the gas nozzle flange sealing test device comprises a cylinder body, an upper plate arranged at the top of the cylinder body, a bottom plate arranged at the bottom of the cylinder body and a top cover;
the barrel is provided with an upper opening and a lower opening, the upper opening consists of a first cambered surface and a second cambered surface, and an included angle between a plane where the first cambered surface is located and a plane where the second cambered surface is located is an obtuse angle;
the upper plate is fixed on the first cambered surface, and the top cover is fixed on the second cambered surface; the middle part of the top cover is provided with a through hole.
Furthermore, the outer side of the top cover is provided with a circular step.
Furthermore, a plurality of mounting holes are uniformly formed in the circular steps.
Further, the tested gas nozzle is assembled in the through hole, and a sealing gasket is arranged between the through hole and the tested gas nozzle.
Further, the upper plate and the bottom plate are welded and fixed on the cylinder body.
Further, the upper plate, the bottom plate and the cylinder are integrally formed.
Further, an air inlet valve and an air outlet valve are arranged on the outer side of the cylinder.
The utility model has the advantages that: the equipment testing device has the advantages that the investment cost on equipment change is not needed during the sealing experiment, the testing cost can be greatly reduced, the testing is simple, the tool is easy to take and place, the testing range is small, and the operation is easy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic view of the cylinder of the present invention.
Wherein: 1 is a cylinder body; 2 is an upper plate; 3 is a bottom plate; 4 is a top cover; 11 is a first cambered surface; and 12 is a second cambered surface.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.
Referring to fig. 1-2, the gas nozzle flange seal test device is characterized by comprising a cylinder body 1, an upper plate arranged at the top of the cylinder body 1, a bottom plate 3 arranged at the bottom of the cylinder body 1 and a top cover 4;
the barrel 1 is provided with an upper opening and a lower opening, the upper opening consists of a first cambered surface 11 and a second cambered surface 12, and an included angle between a plane where the first cambered surface 11 is located and a plane where the second cambered surface 12 is located is an obtuse angle;
the upper plate 2 is fixed on the first cambered surface 11, and the top cover 4 is fixed on the second cambered surface 12; the middle part of the top cover 4 is provided with a through hole.
Further, the outer side of the top cover 4 is provided with a circular step.
Furthermore, a plurality of mounting holes are uniformly formed in the circular steps.
Further, the tested gas nozzle is assembled in the through hole, and a sealing gasket is arranged between the through hole and the tested gas nozzle.
Further, an upper plate 2 and a bottom plate 3 are welded and fixed on the cylinder 1.
When the upper plate 2 and the bottom plate 3 are fixed by welding, the welding must be carried out carefully, and air holes and welding leakage can not occur.
Further, the upper plate 2, the bottom plate 3 and the cylinder 1 are integrally formed, and can be manufactured in a 3D printing mode.
Further, an air inlet valve and an air outlet valve are arranged on the outer side of the cylinder.
The principle of the utility model is that:
the utility model relates to a sealing performance of experimental nozzle, this nozzle include switching section, apron and carbon fiber seal plate, and the utility model discloses a principle is exactly that the sealing capacity of carbon fiber seal plate between switching section and the apron is tested through the barrel pressure boost. After the test device is installed according to the figure 1, firstly, the sealing washer is placed in the through hole of the top cover 4, then the nozzle to be tested is installed in the test device, the cover plate of the nozzle is tightly contacted with the top cover 4 through the pressing plate of the pressing tool, the air outlet valve is closed, and when the air is pressurized from the air inlet valve and the pressure reaches a certain level, the soap water is used for carrying out the sealing test on the carbon fiber sealing plate.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (7)
1. The gas nozzle flange sealing test device is characterized by comprising a cylinder body (1), an upper plate (2) arranged at the top of the cylinder body (1), a bottom plate (3) arranged at the bottom of the cylinder body (1) and a top cover (4);
the barrel (1) is provided with an upper opening and a lower opening, the upper opening consists of a first cambered surface (11) and a second cambered surface (12), and an included angle between a plane where the first cambered surface (11) is located and a plane where the second cambered surface (12) is located is an obtuse angle;
the upper plate (2) is fixed on the first cambered surface (11), and the top cover (4) is fixed on the second cambered surface (12); the middle part of the top cover (4) is provided with a through hole.
2. The gas nozzle flange seal test device according to claim 1, wherein an annular step is arranged on the outer side of the top cover (4).
3. The gas nozzle flange seal test device according to claim 2, wherein a plurality of mounting holes are uniformly formed in the circular ring step.
4. The gas nozzle flange seal test device according to claim 2, wherein the tested gas nozzle is assembled in the through hole, and a sealing gasket is arranged between the through hole and the tested gas nozzle.
5. The gas nozzle flange seal test device according to claim 1, wherein the upper plate (2) and the bottom plate (3) are welded and fixed on the cylinder (1).
6. The gas nozzle flange seal test device according to claim 1, wherein the upper plate (2) and the bottom plate (3) are integrally formed with the cylinder (1).
7. The gas nozzle flange seal test device according to claim 1, wherein an air inlet valve and an air outlet valve are arranged on the outer side of the cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022449890.8U CN213658187U (en) | 2020-10-29 | 2020-10-29 | Gas nozzle flange seal test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022449890.8U CN213658187U (en) | 2020-10-29 | 2020-10-29 | Gas nozzle flange seal test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213658187U true CN213658187U (en) | 2021-07-09 |
Family
ID=76704401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022449890.8U Active CN213658187U (en) | 2020-10-29 | 2020-10-29 | Gas nozzle flange seal test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213658187U (en) |
-
2020
- 2020-10-29 CN CN202022449890.8U patent/CN213658187U/en active Active
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