CN-224232914-U - Vibration-resistant antenna

Abstract

The utility model provides an anti-vibration antenna which comprises a shell, an antenna body and at least one group of anti-vibration components, wherein the antenna body and the at least one group of anti-vibration components are arranged in the shell, each anti-vibration component comprises a fixing piece, a first elastic piece and a second elastic piece, one end of each fixing piece is provided with an abutting part, the fixing piece vertically penetrates through the antenna body, the other end of each fixing piece is fixedly connected with the shell, the first elastic piece and the second elastic piece are sleeved on the fixing piece, the first elastic piece and the second elastic piece are separated at two sides of the antenna body, two ends of each first elastic piece are respectively abutted against the abutting parts and the antenna body, and two ends of each second elastic piece are respectively abutted against the antenna body and the shell. The utility model effectively improves the vibration resistance of the antenna, so that the antenna can adapt to complex vibration environments, and has good space position stability and electrical property reliability.

Inventors

• DENG WENXIONG
• Ma Hailiu
• LI KONGYUAN
• ZHANG YU
• PENG WENQI

Assignees

• 深圳市斯凯互联卫星技术有限公司

Dates

Publication Date

20260512

Application Date

20250428

Claims (10)

1. 1. An anti-vibration antenna is characterized by comprising a shell, an antenna body and at least one group of anti-vibration components, wherein the antenna body is arranged in the shell; The anti-vibration assembly comprises a fixing piece, a first elastic piece and a second elastic piece, wherein one end of the fixing piece is provided with an abutting part, the fixing piece vertically penetrates through the antenna body, the other end of the fixing piece is fixedly connected with the shell, the first elastic piece and the second elastic piece are sleeved on the fixing piece, the first elastic piece and the second elastic piece are separated from each other at two sides of the antenna body, two ends of the first elastic piece are respectively abutted to the abutting part and the antenna body, and two ends of the second elastic piece are respectively abutted to the antenna body and the shell.
2. 2. The anti-vibration antenna according to claim 1, wherein the side wall of the antenna body extends horizontally and outwards to form an annular extension part, and a plurality of groups of anti-vibration components are arranged on the extension part at intervals along the surrounding direction of the extension part; In the vibration-resistant assemblies, the fixing piece vertically penetrates through the extending portion, the first elastic piece and the second elastic piece are separated from each other at two sides of the extending portion, two ends of the first elastic piece are respectively abutted to the abutting portion and the extending portion, and two ends of the second elastic piece are respectively abutted to the extending portion and the shell.
3. 3. The anti-vibration antenna according to claim 2, wherein a supporting partition is provided on a side of the extension portion facing away from the first elastic member, and an end of the second elastic member facing away from the housing abuts against the extension portion through the supporting partition.
4. 4. A vibration-resistant antenna according to claim 2 or 3, characterized in that the antenna body is provided with the vibration-resistant assembly in a central position, which central position is located in the geometrical centre of the extension.
5. 5. The vibration-resistant antenna of claim 1, wherein the interior of the housing is divided into a first region and a second region from top to bottom, the antenna body is located in the first region, and a shield is provided at the bottom of the antenna body.
6. 6. The anti-vibration antenna of claim 5, wherein the shield is penetrated by the securing member of at least one set of anti-vibration components, and wherein in the at least one set of anti-vibration components, an end of the second elastic member remote from the housing abuts the bottom of the antenna body through the shield.
7. 7. The anti-vibration antenna according to claim 6, wherein a spacer is provided between the shield and the second elastic member; And/or a gasket is arranged between the antenna body and the first elastic piece.
8. 8. The anti-vibration antenna according to claim 1, wherein a boss is provided on an inner wall of the housing, the boss is provided with a docking slot corresponding to the fixing member, and an end of the fixing member away from the docking portion is embedded in the docking slot.
9. 9. The vibration-resistant antenna of claim 8 wherein a first thread structure is provided at an end of the mount remote from the abutment, and a second thread structure is provided in the abutment groove in threaded connection with the first thread structure.
10. 10. The anti-vibration antenna of claim 1, wherein the housing comprises an upper housing, a lower housing, and a buffer seal, the upper housing and the lower housing being sealingly connected by the buffer seal; one end of the fixing piece, which is far away from the abutting part, is fixedly connected with the upper shell or the lower shell.

Description

Vibration-resistant antenna Technical Field The utility model relates to the technical field of antennas, in particular to an anti-vibration antenna. Background In the global navigation satellite system (Global Navigation SATELLITE SYSTEM, GNSS), an antenna plays an important role in receiving satellite signals, and is widely used in vehicles such as automobiles, ships and airplanes for realizing functions of vehicle positioning, route navigation and the like. However, at present, due to the limitation of the structural design, the existing antenna has the problem of poor vibration resistance, so that the antenna is easy to be influenced by jolt vibration in the process of accompanying the running of a vehicle, and the stable working performance and the signal transmission quality of the antenna are further influenced. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides an anti-vibration antenna, which effectively improves the anti-vibration performance of the antenna, and the specific technical scheme is as follows: The utility model provides an anti-vibration antenna, which comprises a shell, an antenna body and at least one group of anti-vibration components, wherein the antenna body and the at least one group of anti-vibration components are arranged in the shell; The anti-vibration assembly comprises a fixing piece, a first elastic piece and a second elastic piece, wherein one end of the fixing piece is provided with an abutting part, the fixing piece vertically penetrates through the antenna body, the other end of the fixing piece is fixedly connected with the shell, the first elastic piece and the second elastic piece are sleeved on the fixing piece, the first elastic piece and the second elastic piece are separated from each other at two sides of the antenna body, two ends of the first elastic piece are respectively abutted to the abutting part and the antenna body, and two ends of the second elastic piece are respectively abutted to the antenna body and the shell. In a specific embodiment, the side wall of the antenna body extends horizontally and outwards to form an annular extension part, and a plurality of groups of anti-vibration components are arranged on the extension part at intervals along the surrounding direction of the extension part; In the vibration-resistant assemblies, the fixing piece vertically penetrates through the extending portion, the first elastic piece and the second elastic piece are separated from each other at two sides of the extending portion, two ends of the first elastic piece are respectively abutted to the abutting portion and the extending portion, and two ends of the second elastic piece are respectively abutted to the extending portion and the shell. In a specific embodiment, a supporting partition plate is arranged on one side, away from the first elastic piece, of the outer extension portion, and one end, away from the shell, of the second elastic piece abuts against the outer extension portion through the supporting partition plate. In a specific embodiment, the antenna body is provided with the anti-vibration component at a middle position, and the middle position is located at the geometric center of the extension portion. In a specific embodiment, the interior of the shell is divided into a first area and a second area from top to bottom, the antenna body is located in the first area, and a shielding cover is arranged at the bottom of the antenna body. In a specific embodiment, the shielding cover is penetrated by the fixing piece of at least one group of anti-vibration components, and in the at least one group of anti-vibration components, one end of the second elastic piece, which is far away from the shell, is abutted against the bottom of the antenna body through the shielding cover. In a specific embodiment, a gasket is arranged between the shielding cover and the second elastic piece; And/or a gasket is arranged between the antenna body and the first elastic piece. In a specific embodiment, a boss is disposed on an inner wall of the housing, the boss is provided with a docking slot corresponding to the fixing piece, and one end of the fixing piece, which is far away from the abutment portion, is embedded in the docking slot. In a specific embodiment, a first thread structure is disposed at one end of the fixing piece away from the abutting portion, and a second thread structure in threaded connection with the first thread structure is disposed in the abutting groove. In a specific embodiment, the shell comprises an upper shell, a lower shell and a buffer sealing ring, wherein the upper shell is in sealing connection with the lower shell through the buffer sealing ring; one end of the fixing piece, which is far away from the abutting part, is fixedly connected with the upper shell or the lower shell. The utility model has at least the following beneficial effects: According to the anti-vibration ant