CN220553587U - Waveguide sealing window for realizing waveguide transformation - Google Patents
Waveguide sealing window for realizing waveguide transformation Download PDFInfo
- Publication number
- CN220553587U CN220553587U CN202321808209.1U CN202321808209U CN220553587U CN 220553587 U CN220553587 U CN 220553587U CN 202321808209 U CN202321808209 U CN 202321808209U CN 220553587 U CN220553587 U CN 220553587U
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- waveguide
- window
- sealing
- lower flange
- opening part
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- 238000007789 sealing Methods 0.000 title claims abstract description 60
- 230000009466 transformation Effects 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 229920001973 fluoroelastomer Polymers 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Waveguide Connection Structure (AREA)
Abstract
The utility model relates to the technical field of sealing windows, and discloses a waveguide sealing window for realizing waveguide transformation, which comprises an upper flange and a lower flange; the bottom surface of the upper flange is connected with the top surface of the lower flange, waveguide conversion windows are formed in the middle of the upper flange and the middle of the lower flange, the section of the side wall of the waveguide conversion window in the vertical direction is in a ladder shape, a mounting groove is formed in the top surface of the lower flange, a gasket and a quartz glass sheet which are in contact with each other are sequentially arranged in the mounting groove from top to bottom, and the quartz glass sheet can seal the waveguide conversion window. Compared with the prior art, the utility model can realize the waveguide conversion function without additionally arranging the waveguide conversion device on the waveguide sealing window, so that the volume of the equipment is not increased.
Description
Technical Field
The utility model relates to the technical field of sealing windows, in particular to a waveguide sealing window for realizing waveguide transformation.
Background
The waveguide sealing window is a flange gasket used for sealing the inflatable waveguide flange or the vacuum waveguide flange, microwave transmission is not affected as much as possible while the internal air tightness of the waveguide is maintained, but in the process of actually using the waveguide sealing window, the air tightness of the waveguide sealing window is required to be high, the waveguide sealing window is required to have the function of waveguide conversion, the existing waveguide sealing window is usually only high in air tightness, but the function of waveguide conversion cannot be realized, and a waveguide conversion device is required to be additionally arranged on the waveguide sealing window, so that the whole volume of the device is definitely increased.
Disclosure of Invention
The utility model aims to provide a waveguide sealing window for realizing waveguide conversion, which can realize the waveguide conversion function without additionally arranging a waveguide conversion device on the waveguide sealing window compared with the prior art, so that the volume of equipment is not increased.
In order to solve the technical problems, the utility model adopts the following scheme:
a waveguide sealing window for realizing waveguide transformation comprises an upper flange and a lower flange; the bottom surface of upper flange is connected with the top surface of lower flange, waveguide conversion window has all been seted up to the middle part of upper flange and the middle part of lower flange, waveguide conversion window's lateral wall is the echelonment in vertical orientation, the mounting groove has been seted up on the top surface of lower flange, gasket and quartz glass piece that mutually contacts are installed in proper order from the top down in the mounting groove, quartz glass piece can seal waveguide conversion window.
Further, setting a waveguide conversion window formed in the middle of the upper flange as a first window, and setting a waveguide conversion window formed in the middle of the lower flange as a second window; the first window comprises a first large opening part and a first small opening part from top to bottom in sequence, the projection of the first large opening part on the horizontal plane is sleeved outside the projection of the first small opening part on the horizontal plane, the second window comprises a second small opening part and a second large opening part from top to bottom in sequence, and the projection of the second large opening part on the horizontal plane is sleeved outside the projection of the second small opening part on the horizontal plane.
Further, the upper flange is provided with a compression wave guide port at the first large opening part, and the lower flange is also provided with a compression wave guide port at the second large opening part.
Further, the sum of the thicknesses of the spacer and the quartz glass plate is greater than the depth of the mounting groove.
Further, the gasket is made of polytetrafluoroethylene.
Further, a sealing groove is arranged between the lower flange and the quartz glass sheet, a sealing ring is arranged in the sealing groove, and the thickness of the sealing ring is larger than the depth of the sealing groove.
Furthermore, the sealing ring is made of fluororubber.
Further, grooves are formed in the top surface of the upper flange and the bottom surface of the lower flange.
The utility model has the beneficial effects that:
1. in the utility model, the middle part of the upper flange and the middle part of the lower flange are both provided with waveguide conversion windows, the cross section of the side wall of the waveguide conversion window in the vertical direction is in a ladder shape, and the waveguide conversion window plays a role in waveguide conversion.
2. According to the utility model, the quartz glass sheet is used as a dielectric material to block gas circulation, and the fluororubber sealing ring is used as a sealing mode, one surface of the quartz glass sheet is directly contacted with the fluororubber sealing ring, so that the air tightness of the surface is ensured, and the other surface is tightly attached to the polytetrafluoroethylene gasket, so that the quartz glass sheet is more uniformly stressed and is less prone to fragmentation or deformation.
3. In the utility model, the sum of the thicknesses of the gasket and the quartz glass sheet is larger than the depth of the mounting groove, and the thickness of the sealing ring is larger than the depth of the sealing groove, so that the quartz glass sheet can be ensured to be pressed during assembly.
4. In the utility model, the upper flange is provided with the compression waveguide port at the first large port part, and the lower flange is also provided with the compression waveguide port at the second large port part, and as the dielectric constant of the quartz glass sheet is higher, two sections of compression waveguide ports are required to be matched, so that the two sections of compression waveguide ports can be used for matching impedance.
Drawings
FIG. 1 is an overall block diagram of a waveguide sealing window for implementing waveguide conversion in accordance with the present utility model;
FIG. 2 is a top view of a waveguide sealing window for effecting waveguide transition in accordance with the present utility model;
fig. 3 is a cross-sectional view of a waveguide sealing window for implementing waveguide transition in accordance with the present utility model.
Reference numerals: 1-a lower flange; 2-a first window; 3-compressing the waveguide port; 4-an upper flange; 5-grooves; 6-a second window; 7-quartz glass plate; 8-sealing the groove; 9-sealing rings.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1:
as shown in fig. 1 to 3, a waveguide sealing window for realizing waveguide transformation includes an upper flange 4 and a lower flange 1; the bottom surface of upper flange 4 is connected with the top surface of lower flange 1, waveguide conversion window has all been seted up to the middle part of upper flange 4 and the middle part of lower flange 1, waveguide conversion window's lateral wall is the echelonment in the ascending cross-section of vertical direction, the mounting groove has been seted up on the top surface of lower flange 1, gasket and quartz glass piece 7 that mutually contact are installed in proper order from the top down in the mounting groove, quartz glass piece 7 can seal waveguide conversion window.
Specifically, the upper flange 4 and the lower flange 1 are connected together through bolts.
In this embodiment, a waveguide conversion window formed in the middle of the upper flange 4 is set as a first window 2, and a waveguide conversion window formed in the middle of the lower flange 1 is set as a second window 6; the first window 2 sequentially comprises a first large opening part and a first small opening part from top to bottom, the projection of the first large opening part on the horizontal plane is sleeved outside the projection of the first small opening part on the horizontal plane, the second window 6 sequentially comprises a second small opening part and a second large opening part from top to bottom, and the projection of the second large opening part on the horizontal plane is sleeved outside the projection of the second small opening part on the horizontal plane.
In this embodiment, the upper flange 4 is provided with a compression waveguide port 3 at the first large port, and the lower flange 1 is also provided with a compression waveguide port 3 at the second large port.
Because the dielectric constant of the quartz glass plate 7 is high, two sections of compression waveguide ports 3 are required to be matched; the height of the compression waveguide port 3 is 20-100mm, the width is 30-200mm, and the depth is 4-20mm.
In this embodiment, the sum of the thicknesses of the spacer and the quartz glass plate 7 is greater than the depth of the mounting groove.
In this embodiment, the gasket is made of polytetrafluoroethylene.
In this embodiment, a sealing groove 8 is provided between the lower flange 1 and the quartz glass plate 7, a sealing ring 9 is installed in the sealing groove 8, and the thickness of the sealing ring 9 is greater than the depth of the sealing groove 8.
In this embodiment, the sealing ring 9 is made of fluororubber.
Specifically, after the assembly is completed, the compression ratio of the seal ring 9 is between 0.6 and 0.8.
In this embodiment, the top surface of the upper flange 4 and the bottom surface of the lower flange 1 are both provided with grooves 5.
The working principle of the embodiment is as follows:
the existing waveguide sealing window is generally only high in air tightness, but cannot realize the function of waveguide conversion, and a waveguide conversion device is generally required to be additionally arranged on the waveguide sealing window, so that the whole volume of the device is definitely increased.
The embodiment provides a waveguide sealing window for realizing waveguide transformation, wherein waveguide transformation windows are formed in the middle of an upper flange 4 and the middle of a lower flange 1, the cross section of the side wall of the waveguide transformation window in the vertical direction is in a ladder shape, and the waveguide transformation window plays a role in waveguide transformation.
In this embodiment, the quartz glass plate 7 is used as a dielectric material to block the gas circulation, and the fluororubber sealing ring 9 is used as a sealing mode, one surface of the quartz glass plate 7 is directly contacted with the fluororubber sealing ring 9, so that the air tightness of the surface is ensured, and the other surface is tightly attached to the polytetrafluoroethylene gasket, so that the stress of the quartz glass plate 7 is more uniform, and the quartz glass plate is less prone to fragmentation or deformation.
In addition, the sum of the thicknesses of the gasket and the quartz glass plate 7 in the present embodiment is larger than the depth of the installation groove, and the thickness of the seal ring 9 is larger than the depth of the seal groove 8, so that the quartz glass plate 7 can be ensured to be pressed during assembly.
The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model in any way, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A waveguide sealing window for realizing waveguide transformation, which is characterized by comprising an upper flange (4) and a lower flange (1); the bottom surface of last flange (4) is connected with the top surface of lower flange (1), waveguide conversion window has all been seted up at the middle part of going up flange (4) and the middle part of lower flange (1), waveguide conversion window's lateral wall is echelonment in the ascending cross-section of vertical direction, the mounting groove has been seted up on the top surface of lower flange (1), gasket and quartz glass piece (7) that contact each other are installed in proper order from the top down in the mounting groove, quartz glass piece (7) can seal waveguide conversion window.
2. The waveguide sealing window for realizing waveguide transformation according to claim 1, wherein the waveguide transformation window formed in the middle of the upper flange (4) is set as a first window (2), and the waveguide transformation window formed in the middle of the lower flange (1) is set as a second window (6); the first window (2) sequentially comprises a first large opening part and a first small opening part from top to bottom, the projection of the first large opening part on the horizontal plane is sleeved outside the projection of the first small opening part on the horizontal plane, the second window (6) sequentially comprises a second small opening part and a second large opening part from top to bottom, and the projection of the second large opening part on the horizontal plane is sleeved outside the projection of the second small opening part on the horizontal plane.
3. A waveguide sealing window for realizing waveguide transformation according to claim 2, characterized in that the upper flange (4) is provided with a compression waveguide port (3) at a first large port portion, and the lower flange (1) is also provided with a compression waveguide port (3) at a second large port portion.
4. A waveguide sealing window for effecting waveguide transformation according to claim 1, characterized in that the sum of the thicknesses of the gasket and quartz glass plate (7) is greater than the depth of the mounting groove.
5. A waveguide sealing window for effecting waveguide transition as recited in claim 4, wherein said gasket material is polytetrafluoroethylene.
6. Waveguide sealing window for realizing waveguide transformation according to claim 1, characterized in that a sealing groove (8) is arranged between the lower flange (1) and the quartz glass plate (7), a sealing ring (9) is arranged in the sealing groove (8), and the thickness of the sealing ring (9) is larger than the depth of the sealing groove (8).
7. A waveguide sealing window for effecting waveguide transition according to claim 6, characterized in that the material of the sealing ring (9) is fluororubber.
8. The waveguide sealing window for realizing waveguide transformation according to claim 1, wherein the top surface of the upper flange (4) and the bottom surface of the lower flange (1) are both provided with grooves (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321808209.1U CN220553587U (en) | 2023-07-11 | 2023-07-11 | Waveguide sealing window for realizing waveguide transformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321808209.1U CN220553587U (en) | 2023-07-11 | 2023-07-11 | Waveguide sealing window for realizing waveguide transformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220553587U true CN220553587U (en) | 2024-03-01 |
Family
ID=90004448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321808209.1U Active CN220553587U (en) | 2023-07-11 | 2023-07-11 | Waveguide sealing window for realizing waveguide transformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220553587U (en) |
-
2023
- 2023-07-11 CN CN202321808209.1U patent/CN220553587U/en active Active
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