CN215816419U - Structure for solving thermal expansion deformation of antenna housing - Google Patents
Structure for solving thermal expansion deformation of antenna housing Download PDFInfo
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- CN215816419U CN215816419U CN202122106040.2U CN202122106040U CN215816419U CN 215816419 U CN215816419 U CN 215816419U CN 202122106040 U CN202122106040 U CN 202122106040U CN 215816419 U CN215816419 U CN 215816419U
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- antenna housing
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- shaped sealing
- gland
- thermal expansion
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Abstract
The utility model relates to a 5G communication antenna, in particular to a structure for solving the thermal expansion deformation of an antenna housing, which comprises the antenna housing and a cavity, wherein the antenna housing and the cavity are pressed and mounted through a gland; a first gap is reserved between the flange edge and the inner bottom surface of the U-shaped sealing element; and a second gap is reserved between the outer ring of the antenna housing and the gland and between the outer ring of the antenna housing and the U-shaped sealing piece. According to the utility model, the U-shaped sealing element is sleeved on the flange edge of the antenna housing, the antenna housing and the cavity are pressed together by the gland made of the aluminum alloy material, and then the pressing plate and the cavity are fixed together by the screw, wherein a certain gap is reserved between the antenna housing and the side wall of the pressing plate in the direction X, Y, so that a telescopic space is provided for the antenna housing to expand when the antenna housing is heated, the antenna housing is assembled, fixed and sealed, and the problem that the antenna housing is arched and deformed when the antenna housing is heated is effectively solved.
Description
Technical Field
The utility model relates to the field of 5G communication antennas, in particular to an antenna housing.
Background
The 5G technology is very important to the requirement on the distance stability of an antenna oscillator and an antenna housing, and the influence on the efficiency of the whole antenna is very important, the antenna housing made of plastic materials is adopted in the conventional antenna system, the cavity made of aluminum alloy materials and the sealing element made of rubber materials jointly form a closed antenna working space, the antenna system can generate a large amount of heat during normal work, the temperature of the system can be 70-80 ℃, the cavity and the antenna housing can expand at the temperature, but the expansion amount of the antenna housing can be much larger than that of the cavity due to the difference of expansion coefficients. And the equipment of present antenna house and cavity is all through the screw with two kinds of hard connections that carry out, and antenna house and cavity are dead through the screw fixation again, and antenna house does not have flexible space in X, Y directions, will lead to the deflection greatly increased of antenna house in the Z direction like this, and such deformation can produce very big harmful effects to the antenna performance. Therefore, how to solve the problem of the thermal expansion and the arching deformation of the antenna housing during design becomes important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a structure for solving the thermal expansion deformation of an antenna housing so as to solve the technical problem.
The technical problem solved by the utility model can be realized by adopting the following technical scheme:
a structure for solving the thermal expansion deformation of an antenna housing comprises the antenna housing and a cavity, wherein the antenna housing and the cavity are pressed through a pressing cover, a flange edge is arranged on the outer ring of the antenna housing, a U-shaped sealing element is sleeved on the flange edge, and the U-shaped sealing element is positioned between the pressing cover and the cavity; a first gap is reserved between the flange edge and the inner bottom surface of the U-shaped sealing element; and a second gap is reserved between the outer ring of the antenna housing and the gland and between the outer ring of the antenna housing and the U-shaped sealing piece.
According to the utility model, the first gap and the second gap are adopted, when the antenna cover expands due to heating, the flange edge can slide and extend along the first gap in the opening of the U-shaped sealing element, and the second gap provides a moving space for the thermal expansion of the antenna cover, so that the antenna cover can be prevented from being arched and deformed in the Z direction.
And a screw is arranged at one end of the cavity far away from the flange edge and is connected with the gland.
According to the utility model, the U-shaped sealing element is sleeved on the flange edge of the antenna housing, the antenna housing and the cavity are pressed together by the gland made of the aluminum alloy material, and then the pressing plate and the cavity are fixed together by the screw, wherein a certain gap is reserved between the antenna housing and the side wall of the pressing plate in the direction of X, Y, so that a telescopic space is provided for the antenna housing to expand when heated, the antenna housing is assembled, fixed and sealed, and meanwhile, the problem that the antenna housing is arched and deformed when heated is effectively solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific drawings.
Referring to fig. 1, the structure for solving the thermal expansion deformation of the radome comprises the radome 1 and a cavity 4, wherein the radome 1 and the cavity 4 are pressed through a gland 2, a flange edge is arranged on the outer ring of the radome 1, a U-shaped sealing element 3 is sleeved on the flange edge, and the U-shaped sealing element 3 is positioned between the gland 2 and the cavity 4; a first gap is reserved between the flange edge and the inner bottom surface of the U-shaped sealing element 3; a second gap is reserved between the outer ring of the antenna housing 1 and the gland 2 and between the outer ring and the U-shaped sealing piece 3; according to the utility model, the first gap and the second gap are adopted, when the antenna cover expands due to heating, the flange edge can slide and extend along the first gap in the opening of the U-shaped sealing element, and the second gap provides a moving space for the thermal expansion of the antenna cover, so that the antenna cover can be prevented from being arched and deformed in the Z direction.
A screw 5 is arranged at one end of the cavity 4 far away from the flange edge, and the screw 5 is connected with the gland 2; the gland 2 is made of aluminum alloy; according to the utility model, the flange edge of the radome is sleeved with the U-shaped sealing element, the radome and the cavity are pressed together by the gland made of the aluminum alloy material, and then the pressing plate and the cavity are fixed together by the screws, wherein a certain gap is reserved between the radome and the side wall of the pressing plate in the direction of X, Y, so that a telescopic space is provided for the radome to expand under heat, the assembly, fixation and sealing of the radome are further realized, and the problem of deformation of the radome due to heat is effectively solved;
a plurality of annular bosses which are arranged at intervals are arranged on two straight edges of the U-shaped sealing element 3; the utility model adopts a plurality of annular bosses arranged at intervals, thereby increasing the sealing performance of the U-shaped sealing element;
a sinking platform is arranged on the cavity 4, and two straight edges of the U-shaped sealing element 3 are positioned between the bottom surface of the sinking platform of the cavity 4 and the gland 2; a third gap is reserved between the end face of the sinking platform and the opening end of the U-shaped sealing element 3; the utility model adopts the third gap, when the cavity body is heated and expanded, the cavity body is heated and expanded to provide a telescopic space;
the cavity 4 is provided with a through hole, the gland 2 is a 7-shaped pressure plate, a transverse plate of the 7-shaped pressure plate is in contact with a straight edge of the U-shaped sealing element 3, the bottom surface of a vertical plate of the 7-shaped pressure plate is provided with a threaded counter bore which is arranged corresponding to the through hole, and the screw 5 is positioned in the through hole and is screwed with the threaded counter bore; the U-shaped sealing piece is pre-pressed through the transverse plate of the gland.
In specific implementation, 1) assembling the U-shaped sealing element 3 with the antenna housing 1;
2) assembling the assembled antenna housing 1 on the cavity 4;
3) assembling the gland 2 on the cavity 4;
4) locking the screw 5 to the cavity 4 by using an electric screwdriver and locking the gland 2;
adopt U type sealing washer 3 sealed between radome 1 and cavity 4, simultaneously with gland 2's 7 style of calligraphy clamp plates with radome 1 and cavity 4 assembly together, 7 style of calligraphy clamp plates leave the clearance with radome 1 in X, Y directions for there is the expansion space when radome 1 thermal expansion, and then solves radome 1 thermal expansion because of the fixed problem that leads to the z direction to arch out and warp of screw 5.
The implementation process for realizing the effective contact between the antenna oscillator and the reflecting plate comprises the following steps: gland 2 has guaranteed sealedly with the 3 pre-compaction of U type sealing member, and when antenna housing 1 was heated the inflation simultaneously, antenna housing 1 can be along the inboard extension that slides of opening of U type sealing member 3, just so can avoid the antenna housing to arch up in the Z side and warp.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A structure for solving the thermal expansion deformation of an antenna housing comprises the antenna housing (1) and a cavity (4), and is characterized in that the antenna housing (1) and the cavity (4) are pressed through a gland (2), a flange edge is arranged on the outer ring of the antenna housing (1), a U-shaped sealing element (3) is sleeved on the flange edge, and the U-shaped sealing element (3) is positioned between the gland (2) and the cavity (4); a first gap is reserved between the flange edge and the inner bottom surface of the U-shaped sealing element (3); and a second gap is reserved between the outer ring of the antenna housing (1) and the gland (2) and between the outer ring of the antenna housing and the U-shaped sealing piece (3).
2. The structure for solving the thermal expansion deformation of the radome, as set forth in claim 1, is characterized in that a screw (5) is arranged at one end of the cavity (4) far away from the flange edge, and the screw (5) is connected with the gland (2).
3. The structure for solving the thermal expansion deformation of the radome of claim 1, wherein the U-shaped sealing member (3) is provided with a plurality of annular bosses arranged at intervals on two straight sides.
4. The structure for solving the thermal expansion deformation of the radome of claim 1, wherein the cavity (4) is provided with a sunken platform, and two straight edges of the U-shaped sealing member (3) are positioned between the sunken platform bottom surface of the cavity (4) and the gland (2).
5. A structure for solving the thermal expansion deformation of the radome of claim 4, wherein a third gap is left between the sunken platform end surface and the open end of the U-shaped sealing member (3).
6. The structure for solving the thermal expansion deformation of the radome, according to claim 1, wherein the cavity (4) is provided with a through hole, the gland (2) is provided with a threaded counter bore at a position corresponding to the through hole, and the screw (5) is positioned in the through hole and screwed with the threaded counter bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122106040.2U CN215816419U (en) | 2021-09-02 | 2021-09-02 | Structure for solving thermal expansion deformation of antenna housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122106040.2U CN215816419U (en) | 2021-09-02 | 2021-09-02 | Structure for solving thermal expansion deformation of antenna housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215816419U true CN215816419U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122106040.2U Active CN215816419U (en) | 2021-09-02 | 2021-09-02 | Structure for solving thermal expansion deformation of antenna housing |
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| Country | Link |
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| CN (1) | CN215816419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117485A (en) * | 2023-10-25 | 2023-11-24 | 成都迅翼卫通科技有限公司 | Antenna housing sealing structure and antenna |
-
2021
- 2021-09-02 CN CN202122106040.2U patent/CN215816419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117485A (en) * | 2023-10-25 | 2023-11-24 | 成都迅翼卫通科技有限公司 | Antenna housing sealing structure and antenna |
| CN117117485B (en) * | 2023-10-25 | 2024-01-02 | 成都迅翼卫通科技有限公司 | Antenna housing sealing structure and antenna |
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