CN215008829U

CN215008829U - Sealed radio frequency case structure

Info

Publication number: CN215008829U
Application number: CN202121652609.9U
Authority: CN
Inventors: 白茂良
Original assignee: Sichuan Zhongxin Weidian Electronic Technology Co ltd
Current assignee: Sichuan Zhongxin Weidian Electronic Technology Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-03
Anticipated expiration: 2031-07-20

Abstract

A sealed radio frequency case structure comprises a case body, wherein an internal module in the case body is directly connected out of the case body through an SMA connector, the SMA connector is connected with the case wall of the case body through a sealing structure, and the sealing structure comprises a first gasket, a medium retaining ring and at least two nuts, wherein the first gasket, the medium retaining ring and the at least two nuts are used for fixing the SMA connector on the outer side of the case wall, are sequentially distributed from inside to outside and are sleeved on the SMA connector; the SMA connector is connected to an internal module within the chassis body through an insulator and a second gasket. The radio frequency cable in the existing sealed radio frequency case structure is removed, the SMA connector is directly connected with the internal structure in the case, and special sealing treatment is carried out on the contact parts of the SMA connector, the case wall of the radio frequency case and the internal module of the radio frequency case, so that a novel radio frequency case structure with good sealing performance is provided, the size of the radio frequency case is reduced, and the radio frequency case structure is suitable for the environment with harsh size.

Description

Sealed radio frequency case structure

Technical Field

The utility model relates to a radio frequency machine case field, in particular to sealed radio frequency machine case structure.

Background

Sealed radio frequency case subassembly is more in the in-service use scene, and generally each installation face seals through modes such as O type circle or sealing strip, and difficult point is in the sealed of inside radio frequency module connector, and common sealed mode is: the internal module is not sealed, a sealing connector is arranged outside the case, and the internal connector and the case sealing connector are interconnected through a radio frequency cable. However, this approach has the following limitations:

1. in order to ensure indexes and facilitate installation, the radio frequency cable is generally longer in size and is not suitable for use environments with harsh sizes.

2. The introduction of the radio frequency cable is not suitable for the use environment with higher phase requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the radio frequency cable in the existing sealed radio frequency case structure is removed, the SMA connector is directly connected with the internal structure in the case, and special sealing treatment is carried out on the contact parts of the SMA connector, the case wall of the radio frequency case and the internal module of the radio frequency case, so that the problems are solved.

The utility model adopts the technical scheme as follows:

a sealed radio frequency case structure comprises a case body, wherein an internal module in the case body is directly connected out of the case body through an SMA connector, the SMA connector is connected with the case wall of the case body through a sealing structure, and the sealing structure comprises a first gasket, a medium retaining ring and at least two nuts, wherein the first gasket, the medium retaining ring and the at least two nuts are used for fixing the SMA connector on the outer side of the case wall, are sequentially distributed from inside to outside and are sleeved on the SMA connector; the SMA connector is connected to an internal module within the chassis body through an insulator and a second gasket.

In order to better realize the scheme, further, the outer side of the case wall is provided with a first groove adapted to the first gasket.

In order to better realize this scheme, furtherly, first packing ring is installed in first recess, and the meson retaining ring is installed in the first recess outside, and the meson retaining ring is fixed first packing ring in first recess.

In order to better implement the scheme, further, a second groove adapted to the second gasket is arranged on the outer surface of the inner module in the case body.

In order to better realize the scheme, further, the inner end of the SMA connector is provided with a convex part for fixing the second gasket in the second groove.

In order to better realize the scheme, further, the SMA connector is connected with the insulator in a welding mode.

In order to better implement the scheme, furthermore, a thread structure is arranged on the part of the SMA connector on the outer side of the case wall.

In the scheme, the internal module in the case body of the radio frequency case is directly connected out of the case wall of the case body through the SMA connector, the radio frequency cable part in the prior art is removed, and new sealing structure designs are made on the connection parts of the SMA connector, the case wall and the internal module of the radio frequency case. Specifically, for the connecting part of the SMA connector and the case wall, a first gasket, an intermediate retainer ring and at least two nuts are arranged, wherein the first gasket, the intermediate retainer ring and the at least two nuts are sequentially distributed from inside to outside. The first gasket, the meson check ring and the nut are all sleeved on the SMA connector and jointly play a role in fixing the SMA connector and sealing the connection part of the SMA connector and the wall of the chassis. Firstly, a first gasket is arranged in a first groove on the outer side of the machine box wall, wherein the first gasket is generally made of flexible materials, and the first gasket is used for primarily sealing a through hole formed in the machine box wall for the SMA connector. Then the meson retaining ring outside first packing ring is fixed first packing ring in first recess, prevents that first packing ring from droing from first recess to, the meson retaining ring also further plays secondary seal effect, has blocked the space of the outside edge of first packing ring and the inner wall contact portion of first recess, has avoided the leakproofness from this space production not strong. Set up two at least nuts again in the outside of first packing ring, the nut plays the effect of fastening meson retaining ring and first packing ring on the one hand, and on the other hand, SMA connector and nut threaded connection for the part that the nut can seal SMA connector and meson retaining ring, first packing ring contact.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a sealed radio frequency case structure, removed the radio frequency cable in the current sealed radio frequency case structure, use SMA connector direct connection quick-witted incasement inner structure to do special sealing treatment at the contact part of SMA connector and the quick-witted case wall of radio frequency case, the inside module of radio frequency case, provide a new radio frequency case structure that sealing performance is good;

2. a sealed radio frequency machine case structure, removed the radio frequency cable among the current sealed radio frequency machine case structure, used SMA connector lug connection quick-witted incasement inner structure to do special sealed processing at the contact site of the inside module of the quick-witted case wall of SMA connector and radio frequency machine case, removed the radio frequency cable, make the size of radio frequency machine case reduce, be applicable to under the harsh environment of size.

Drawings

In order to more clearly illustrate the technical solution, the drawings needed to be used in the embodiments are briefly described below, and it should be understood that, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, wherein:

fig. 1 is a prior art radio frequency chassis structure of the present invention;

fig. 2 is a partial schematic view of the structure of the radio frequency chassis of the present invention;

fig. 3 is an overall schematic view of the radio frequency cabinet structure of the present invention;

in the figure, 1-SMA connector, 101-projection, 2-cabinet wall, 201-first groove, 3-sealing structure, 4-first gasket, 5-meson retainer, 6-nut, 7-insulator, 8-second gasket, 801-second groove.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments, and therefore should not be considered as limitations to the scope of protection. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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; 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 invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to fig. 1 to 3.

Example 1:

a sealed radio frequency cabinet structure, as shown in fig. 2 and 3, comprises a cabinet body, wherein an internal module in the cabinet body is directly connected out of the cabinet body through an SMA connector 1, the SMA connector 1 is connected with a cabinet wall 2 of the cabinet body through a sealing structure 3, and the sealing structure 3 comprises a first gasket 4, a medium retaining ring 5 and at least two nuts 6, wherein the first gasket 4, the medium retaining ring 5 and the at least two nuts 6 are used for fixing the SMA connector 1 on the outer side of the cabinet wall 2, are sequentially distributed from inside to outside and are sleeved on the SMA connector 1; the SMA connector 1 is connected to an internal module within the chassis body by means of an insulator 7 and a second washer 8.

The working principle is as follows: in the prior art of the radio frequency chassis structure, as shown in fig. 1, an internal module of the radio frequency chassis is connected out through a radio frequency cable and then through an SMA (shape memory alloy) sealing connector. In the scheme, the internal module in the case body of the radio frequency case is directly connected out of the case wall 2 of the case body through the SMA connector 1, the radio frequency cable part in the prior art is removed, and new sealing structure designs are made on the connection parts of the SMA connector 1, the case wall 2 and the internal module of the radio frequency case. Specifically, for the connection part of the SMA connector 1 and the chassis wall 2, a first gasket 4, an intermediate retainer ring 5 and at least two nuts 6 are arranged, which are distributed in sequence from inside to outside. The first gasket 4, the meson retainer ring 5 and the nut 6 are all sleeved on the SMA connector 1 and jointly play a role in fixing the SMA connector 1 and sealing the connecting part of the SMA connector 1 and the case wall 2. Firstly, a first gasket 4 is adopted to be arranged in a first groove 201 on the outer side of the chassis wall 2, wherein the first gasket 4 is generally made of flexible materials, and the first gasket 4 is used for primarily sealing a through hole which is formed on the chassis wall 2 and is used for the SMA connector 1. Then, the first gasket 4 is fixed in the first groove 201 by the medium retaining ring 5 on the outer side of the first gasket 4, the first gasket 4 is prevented from falling off from the first groove 201, and the medium retaining ring 5 further plays a role in secondary sealing, so that a gap between the outer edge of the first gasket 4 and the contact part of the inner wall of the first groove 201 is blocked, and poor sealing performance caused by the gap is avoided. At least two nuts 6 are arranged on the outer side of the first washer 4, the nuts 6 play a role of fastening the meson retainer 5 and the first washer 4 on one hand, and on the other hand, the SMA connector 1 and the nuts 6 are in threaded connection, so that the nuts 6 can seal the contact parts of the SMA connector 1, the meson retainer 5 and the first washer 4.

Example 2:

on the basis of embodiment 1, as shown in fig. 2, the outer side of the chassis wall 2 is provided with a first groove 201 adapted to the first gasket 4. The first gasket 4 is arranged in the first groove 201, the meson retainer ring 5 is arranged on the outer side of the first groove 201, and the first gasket 4 is fixed in the first groove 201 by the meson retainer ring 5. In this embodiment, on the basis of embodiment 1, the first groove 201 for installing the first gasket 4 is provided on the outer side of the chassis wall 2, and the first gasket 4 made of a flexible material is slightly pressed by the medium retainer ring 5 installed on the outer side of the first groove 201, so that the first groove 201 is filled with the first gasket 4, and the gap between the SMA connector 1 and the chassis wall 2 is blocked.

As shown in fig. 2, the outer surface of the inner module inside the cabinet body is provided with a second groove 801 adapted to the second gasket 8. The SMA connector 1 has a protruding projection 101 at its inner end for securing the second washer 8 in the second groove 801. In order to further improve the tightness of the radio frequency chassis, a second gasket 8 and a corresponding second groove 801 are also arranged at the contact part of the SMA connector 1 and the inner module, and a protruding part 101 for fixing the second gasket 8 in the second groove 801 is arranged at the inner end of the SMA connector 1.

The SMA connector 1 is connected with the insulator 7 in a welding mode. The part of the SMA connector 1 outside the cabinet wall 2 has a thread structure.

Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A sealed radio frequency cabinet structure comprises a cabinet body and is characterized in that an internal module in the cabinet body is directly connected out of the cabinet body through an SMA connector (1), the SMA connector (1) is connected with a cabinet wall (2) of the cabinet body through a sealing structure (3), and the sealing structure (3) comprises a first gasket (4), a meson retainer ring (5) and at least two nuts (6), wherein the first gasket (4), the meson retainer ring (5) and the at least two nuts (6) are used for fixing the SMA connector (1) on the outer side of the cabinet wall (2), are sequentially distributed from inside to outside and are sleeved on the SMA connector (1); the SMA connector (1) is connected to an internal module in the chassis body through an insulator (7) and a second gasket (8).

2. The sealed radio frequency chassis structure of claim 1, wherein: a first groove (201) suitable for the first gasket (4) is formed in the outer side of the case wall (2).

3. The sealed radio frequency chassis structure of claim 2, wherein: the first gasket (4) is arranged in the first groove (201), the meson check ring (5) is arranged on the outer side of the first groove (201), and the first gasket (4) is fixed in the first groove (201) by the meson check ring (5).

4. The sealed radio frequency chassis structure of claim 1, wherein: the outer surface of the inner module in the case body is provided with a second groove (801) adapted to a second gasket (8).

5. The sealed radio frequency chassis structure of claim 4, wherein: the inner end of the SMA connector (1) is provided with a protruding part (101) which is used for fixing the second gasket (8) in the second groove (801).

6. The sealed radio frequency chassis structure of claim 1, wherein: the SMA connector (1) is connected with the insulator (7) in a welding mode.

7. The sealed radio frequency chassis structure of claim 1, wherein: and a part of the SMA connector (1) on the outer side of the case wall (2) is provided with a thread structure.