CN209818977U - Culvert switching section - Google Patents
Culvert switching section Download PDFInfo
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- CN209818977U CN209818977U CN201920495431.8U CN201920495431U CN209818977U CN 209818977 U CN209818977 U CN 209818977U CN 201920495431 U CN201920495431 U CN 201920495431U CN 209818977 U CN209818977 U CN 209818977U
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- tester
- adapter
- cylinder
- spray pipe
- adapter cylinder
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Abstract
The application belongs to the technical field of engine spray pipe tests, concretely relates to culvert switching section, this switching section is used for the butt joint between duct interface and tester interface in the engine spray pipe, and it includes: the inlet end of the tester adapter cylinder is used for being in butt joint with the interface of the tester; the inlet end of the spray pipe adapter cylinder is in sealing contact with the outlet end of the tester adapter cylinder, and the outlet end of the spray pipe adapter cylinder is used for being butted with a connector of a duct in the spray pipe; the nozzle adapter is axially movable relative to the tester adapter.
Description
Technical Field
The application belongs to the technical field of engine spray pipe tests, and particularly relates to an internal culvert switching section.
Background
When carrying out the engine spray pipe experiment, the interface of engine spray pipe and tester passes through the switching section butt joint, and this switching section has the rectification effect, and it includes interior duct switching section and outer duct switching section, wherein, because the interior duct is great compared in the air flow of outer duct, and the temperature is higher, causes in the testing process, the axial deflection of inside and outside duct switching section has great difference, leads to the switching section to produce serious deformation, is damaged even, and then influences experimental efficiency and accuracy.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
In view of the fact that the air flow into the culvert adaptor section is relatively high and the temperature thereof is relatively high compared to the culvert adaptor section, and the axial deformation thereof is relatively large in the test process, the present application provides a culvert adaptor section for butt joint between a culvert interface and a tester interface in an engine nozzle, so as to overcome or alleviate at least one of the above-mentioned disadvantages.
The technical scheme of the application is as follows:
an connotation transition segment comprising:
the inlet end of the tester adapter cylinder is used for being in butt joint with the interface of the tester;
the inlet end of the spray pipe adapter cylinder is in sealing contact with the outlet end of the tester adapter cylinder, and the outlet end of the spray pipe adapter cylinder is used for being butted with a connector of a duct in the spray pipe; the nozzle adapter is axially movable relative to the tester adapter.
According to at least one embodiment of the present application, the inlet end of the nozzle adapter sleeve is sleeved on the outlet end of the tester adapter sleeve.
According to at least one embodiment of the application, the test device further comprises an intermediate cylinder, one end of the intermediate cylinder is sleeved at the inlet end of the spray pipe adapter cylinder, the other end of the intermediate cylinder is sleeved at the outlet end of the tester adapter cylinder, and the inner wall of the intermediate cylinder is provided with a convex inner wall; the inner wall protrusion is fixedly connected with the outer wall of the adapter cylinder of the tester;
a gap is formed between the inlet end of the spray pipe adapter cylinder and the protrusion of the inner wall.
According to at least one embodiment of the application, the gap is filled with an elastomeric filler.
According to at least one embodiment of the application, the tester adapter and the nozzle adapter can rotate relatively;
the inlet end of the adapter cylinder of the tester is in butt joint with the interface of the tester and/or the outlet end of the adapter cylinder of the spray pipe is in butt joint with the interface of the duct in the spray pipe through flanges.
Drawings
FIG. 1 is a schematic structural diagram of a content transition segment provided in an embodiment of the present application;
wherein:
1-a tester transfer cylinder; 2-a nozzle adapter; 3-an intermediate cylinder; 4-a tester; 5-a spray pipe.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
The present application is described in further detail below with reference to fig. 1.
An connotation transition segment comprising:
the inlet end of the tester adapter cylinder 1 is used for butting with the interface of a tester 4;
the inlet end of the spray pipe adapter cylinder 2 is in sealing contact with the outlet end of the tester adapter cylinder 1, and the outlet end of the spray pipe adapter cylinder is used for being butted with a connector of a duct in the spray pipe 5; the nozzle adapter 2 can be moved axially relative to the test device adapter 1.
For the above embodiments, it can be understood by those skilled in the art that the axial relative motion of the tester adapter 1 and the nozzle adapter 2 can counteract the axial deformation of the tester adapter 1 and the nozzle adapter 2 to some extent, so as to avoid the damage caused thereby; in addition, the nozzle adapter 2 can move axially relative to the tester adapter 1, namely the overall length of the tester adapter 1 and the nozzle adapter 2 can be changed within a certain range, and the design can facilitate the installation of the adapter section between the tester interface and the nozzle interface, for example, the relative position of the tester and the nozzle is fixed or the distance between the tester and the nozzle is limited by the culvert adapter section, and the air leakage at the connection position of the tester interface and the duct interface in the piping can be avoided by adjusting the overall length of the tester adapter 1 and the nozzle adapter 2 to be matched with the distance between the tester and the nozzle.
With respect to the above embodiments, it should be understood by those skilled in the art that the shape and size of the test adapter 1 and the nozzle adapter 2 can be designed according to actual needs, and the outlet end of the nozzle adapter 2 shown in fig. 1 in the embodiment of the present application is flared.
In some alternative embodiments, the inlet end of the nozzle adapter 2 is sleeved on the outlet end of the tester adapter 1.
In some optional embodiments, the test device further comprises an intermediate cylinder 3, one end of the intermediate cylinder is sleeved at the inlet end of the nozzle adapter cylinder 2, the other end of the intermediate cylinder is sleeved at the outlet end of the tester adapter cylinder 1, and the inner wall of the end is provided with a convex inner wall; the inner wall protrusion is fixedly connected with the outer wall of the adapter cylinder 1 of the tester;
a gap is formed between the inlet end of the spray pipe adapter cylinder 2 and the inner wall protrusion;
the inner wall of the inlet end of the spray pipe adapter cylinder 2 is in sealing contact with the outlet end of the adapter cylinder 1 of the tester and/or the outer wall of the inlet end of the spray pipe adapter cylinder 2 is in sealing contact with the inner wall of the middle cylinder 3.
In some optional embodiments, the gap is filled with an elastic filler to enhance the sealing effect between the outlet end of the tester adapter 1 and the inlet end of the nozzle adapter 2.
In some optional embodiments, the tester adapter 1 and the nozzle adapter 2 can rotate relatively, that is, no obstacle is arranged in the circumferential direction to prevent the tester adapter 1 and the nozzle adapter 2 from rotating relatively in the circumferential direction;
the inlet end of the adapter cylinder 1 of the tester is in butt joint with the interface of the tester 4 through a flange and/or the outlet end of the adapter cylinder 2 of the spray pipe is in butt joint with the interface of the duct in the spray pipe 5 through a flange.
For the above embodiments, as can be understood by those skilled in the art, the tester adapter 1 and the nozzle adapter 2 can rotate relatively, so that alignment of bolt holes on the flange can be conveniently realized through rotation, and installation and butt joint of the flange are facilitated.
So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.
Claims (5)
1. An connotative transition, comprising:
the inlet end of the tester adapter cylinder (1) is used for butting with the interface of the tester (4);
the inlet end of the spray pipe adapter cylinder (2) is in sealing contact with the outlet end of the tester adapter cylinder (1), and the outlet end of the spray pipe adapter cylinder is butted with the connector of the duct in the spray pipe (5); the nozzle adapter (2) can move axially relative to the tester adapter (1).
2. The connotation transition of claim 1,
the inlet end of the spray pipe adapter cylinder (2) is sleeved at the outlet end of the tester adapter cylinder (1).
3. The connotation transition of claim 2,
the test device also comprises an intermediate cylinder (3), one end of the intermediate cylinder is sleeved at the inlet end of the spray pipe adapter cylinder (2), the other end of the intermediate cylinder is sleeved at the outlet end of the tester adapter cylinder (1), and the inner wall of the intermediate cylinder is provided with a convex inner wall; the inner wall protrusion is fixedly connected with the outer wall of the tester adapter cylinder (1);
a gap is formed between the inlet end of the spray pipe adapter cylinder (2) and the protrusion of the inner wall.
4. The connotation transition of claim 3,
the gap is filled with elastic filler.
5. The connotation transition of claim 1,
the tester adapter cylinder (1) and the spray pipe adapter cylinder (2) can rotate relatively;
the inlet end of the tester adapter cylinder (1) is in butt joint with the interface of the tester (4) through a flange, and/or the outlet end of the spray pipe adapter cylinder (2) is in butt joint with the interface of the inner duct of the spray pipe (5) through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495431.8U CN209818977U (en) | 2019-04-12 | 2019-04-12 | Culvert switching section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495431.8U CN209818977U (en) | 2019-04-12 | 2019-04-12 | Culvert switching section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818977U true CN209818977U (en) | 2019-12-20 |
Family
ID=68879687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920495431.8U Active CN209818977U (en) | 2019-04-12 | 2019-04-12 | Culvert switching section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818977U (en) |
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2019
- 2019-04-12 CN CN201920495431.8U patent/CN209818977U/en active Active
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