Vehicle-mounted directional antenna

Abstract

The utility model relates to the technical field of vehicle-mounted antennas, in particular to a vehicle-mounted directional antenna, which comprises a fixed seat and an antenna arranged right above the fixed seat, a sliding groove is formed in the middle of the upper surface of the fixed seat, and symmetrically distributed sliding blocks are slidably mounted in the sliding groove. A clamp is fixedly installed on the side surface of each sliding block, the antenna is installed between the two clamps, a driving mechanism used for enabling the two clamps to get close to each other or get away from each other is arranged in the fixing base, installation plates are fixedly installed on the two sides of the lower surface of the fixing base, and the fixing base is arranged under the antenna; according to the antenna fixing device, the two clamps used for clamping the antenna are arranged above the fixing base, meanwhile, the driving mechanism used for moving the clamps is arranged in the fixing base, under the action of the driving mechanism, the antenna can be clamped and fixed through the clamps, meanwhile, the antenna can be conveniently mounted and dismounted, and therefore the using convenience of the whole device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle antenna technical field especially relates to a vehicle directional antenna. BACKGROUND

[0002] Vehicle directional antenna is an antenna system specially designed for vehicles, mainly used for receiving or transmitting wireless signals in a specific direction. Compared with omnidirectional antennas, directional antennas have more concentrated signal receiving or transmitting directions. This design makes it have significant advantages in application scenarios that require strong directivity, cover specific areas or track specific targets. Vehicle directional antennas are widely used in communication, navigation, satellite reception, radar and other fields.

[0003] The main functional part of the vehicle directional antenna is the coil winding, and the spacing of the coil winding directly affects the strength of the antenna signal. However, because it is often exposed to the outdoors, and is easily bent or deformed by wind or other external forces during driving, the distance of the coil winding changes, affecting the antenna signal. At the same time, in some cases where the wind is too strong, the antenna may be bent, causing damage to the antenna. UTILITY MODEL CONTENT

[0004] The utility model discloses in view of the prior art exists the insufficient, provides the following technical scheme: a vehicle directional antenna, including fixed seat and setting in the fixed seat upside directional antenna, the fixed seat upper surface middle position is equipped with the sliding slot, the inside of sliding slot is installed with the symmetric distribution slide block, the side surface of each slide block is fixedly installed with clamp, and the antenna is installed between two clamps, the inside of fixed seat is provided with the drive mechanism for two clamps are close to each other or away from each other, the lower surface both sides of fixed seat are fixedly installed with mounting plate.

[0005] The antenna includes a nylon rod, a plurality of equally spaced coil patches are fixedly installed on the outer surface of the nylon rod, a connector is arranged at the lower end of the nylon rod, and an antenna shell is arranged on the outer side of the coil patch.

[0006] As an improvement of the above technical scheme, the drive mechanism includes a mounting slot opened in the bottom of the fixed seat, a bidirectional screw rod is rotatably installed in the inside of the mounting slot, two symmetrically distributed movable pieces are screwedly installed on the outer surface of the bidirectional screw rod, connecting arms are arranged on both sides of each movable piece, connecting rods are fixedly connected to the end portions of the connecting arms, the other end of the connecting rod is fixedly connected to the side surface of the slide block, and the movable piece and the connecting arm are integrally formed.

[0007] As an improvement of the above technical scheme, a rotating shaft is arranged between the end portion of one end of the bidirectional screw rod and the inside of the mounting slot, and a rotating handle is fixedly installed at the end portion of the other end of the bidirectional screw rod.

[0008] As the improvement of the above technical scheme, the fixed seat is also provided with a movable groove two and a movable groove one, and the movable groove two and the movable groove one are distributed on both sides of the mounting groove, and the mounting groove, the movable groove two and the movable groove one are communicated, and the movable groove one and the movable groove two are in a vertical relationship in space.

[0009] As the improvement of the above technical scheme, the connecting arm is located in the movable groove two, and the connecting rod is located in the movable groove one, and the connecting rod is in an "L" shape.

[0010] As the improvement of the above technical scheme, the inner side of the clamp is adhesively connected with a rubber gasket, and the inner side bottom of the clamp is fixedly provided with a support plate.

[0011] The beneficial effects of the utility model are as follows:

[0012] The fixed seat is arranged directly below the antenna, two clamps for clamping the antenna are arranged above the fixed seat, a driving mechanism for moving the clamps is arranged in the fixed seat, and the clamps can clamp and fix the antenna under the action of the driving mechanism, so that the antenna is prevented from being bent under the influence of external force, the stability during installation is improved, and the antenna is convenient to install and disassemble, thereby improving the convenience during use of the overall device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the utility model;

[0014] Figure 2 It is a side view of the utility model;

[0015] Figure 3 It is an internal structure view of the antenna in the utility model;

[0016] Figure 4 It is a structure view of the clamp in the utility model;

[0017] Figure 5 It is a perspective view of the utility model Figure 2 It is an enlarged structure view of A in the utility model.

[0018] The drawings show that: 1, fixed seat; 11, sliding groove; 12, movable groove one; 13, movable groove two; 14, mounting groove; 2, mounting plate; 3, clamp; 31, rubber gasket; 32, support plate; 33, sliding block; 34, connecting rod; 4, antenna; 41, antenna shell; 42, connector; 43, coil patch; 44, nylon rod; 5, bidirectional screw rod; 51, handle; 52, movable piece; 521, connecting arm. DETAILED DESCRIPTION

[0019] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be further described in detail. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of vehicle-mounted directional antenna, including fixed seat 1 and the antenna 4 being set in the upper of fixed seat 1, the middle position of fixed seat 1 upper surface is provided with sliding slot 11, the inside of sliding slot 11 is slidably installed with the symmetric distribution of slider 33, the side surface of each slider 33 is fixedly installed with clamp 3, and antenna 4 is installed between two clamps 3, the inside of fixed seat 1 is provided with the drive mechanism for two clamps 3 to be close to each other or away from each other, and the lower surface of fixed seat 1 is fixedly installed with mounting plate 2 on both sides;

[0021] Antenna 4 includes nylon stick 44, the outer surface of nylon stick 44 is fixedly installed with several equal-interval distribution coil patches 43, the lower end of nylon stick 44 is provided with connector 42, and the outside of coil patch 43 is provided with antenna shell 41.

[0022] In the embodiment, fixed seat 1 is provided below antenna 4, and two clamps 3 for clamping antenna 4 are provided above fixed seat 1, and a drive mechanism for moving clamp 3 is provided in the inside of fixed seat 1, so that clamp 3 can clamp and fix antenna 4 under the action of the drive mechanism, and the installation and disassembly of antenna 4 are facilitated, thereby increasing the convenience of the overall device in use

[0023] Specifically, the drive mechanism includes mounting groove 14 opened in the bottom of fixed seat 1, two-way screw rod 5 is rotatably installed in the inside of mounting groove 14, two-way screw rod 5 is screw-mounted with two symmetrically distributed movable pieces 52 on the outer surface, both sides of each movable piece 52 are provided with connecting arm 521, connecting arm 521 is fixedly connected with connecting rod 34 at the end, the side surface of connecting rod 34 is fixedly connected with slider 33 at the other end, and movable piece 52 and connecting arm 521 are integrally formed, a rotating shaft is arranged between one end of two-way screw rod 5 and the inside of mounting groove 14, the other end of two-way screw rod 5 is fixedly installed with handle 51, and fixed seat 1 is also provided with movable slot two 13 and movable slot one 12, movable slot two 13 and movable slot one 12 are both distributed on both sides of mounting groove 14, mounting groove 14, movable slot two 13 and movable slot one 12 are communicated, movable slot one 12 and movable slot two 13 are in perpendicular relationship in space, connecting arm 521 is located in the inside of movable slot two 13, connecting rod 34 is located in the inside of movable slot one 12, and connecting rod 34 is in the shape of "L".

[0024] In the embodiment, the driving mechanism is arranged in the interior of the fixing base 1, under the action of the driving mechanism, the two-way screw rod 5 can be driven to rotate by rotating the rotating handle 51, so that the two movable members 52 screw-mounted on the outer surface of the two-way screw rod 5 are driven to move close to or away from each other, and then the connecting arm 521 and the connecting rod 34 are driven to move, and then the two clamps 3 are driven to move close to or away from each other, so that the clamp 3 can clamp and fix the antenna 4, and then the installation and disassembly of the antenna 4 are facilitated.

[0025] Specifically, the rubber gasket 31 is glued and connected to the inner side of the clamp 3, and the support plate 32 is fixedly installed on the inner bottom of the clamp 3.

[0026] In the embodiment, when the clamp 3 clamps and fixes the antenna 4, the rubber gasket 31 can clamp the outer side of the antenna shell 41, and has a buffering effect, so that the antenna 4 is not damaged when clamped.

[0027] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them.

Claims

1. A vehicle-mounted directional antenna comprising a fixed base (1) and an antenna (4) arranged directly above the fixed base (1), characterized in that: The middle position of the upper surface of the fixed seat (1) is provided with a sliding groove (11), the inside of the sliding groove (11) is slidably provided with symmetrically distributed sliding blocks (33), the side surface of each sliding block (33) is fixedly provided with a clamp (3), and the antenna (4) is installed between the two clamps (3). The inside of the fixed seat (1) is provided with a driving mechanism for the two clamps (3) to move close to or away from each other, and the lower surface of the fixed seat (1) is fixedly provided with a mounting plate (2) on both sides. The antenna (4) comprises a nylon rod (44), a plurality of equally spaced coil patches (43) are fixedly installed on the outer surface of the nylon rod (44), a connector (42) is arranged at the lower end of the nylon rod (44), and an antenna shell (41) is arranged outside the coil patch (43).

2. The vehicle-mounted directional antenna of claim 1, wherein: The driving mechanism comprises a mounting groove (14) formed in the bottom of the fixed seat (1), a bidirectional screw rod (5) is rotatably installed in the inside of the mounting groove (14), two symmetrically distributed movable pieces (52) are screwedly installed on the outer surface of the bidirectional screw rod (5), a connecting arm (521) is arranged on both sides of each movable piece (52), a connecting rod (34) is fixedly connected to the end of the connecting arm (521), the other end of the connecting rod (34) is fixedly connected to the side surface of the sliding block (33), and the movable piece (52) and the connecting arm (521) are integrally formed.

3. A vehicle mounted directional antenna according to claim 2, characterised in that: One end of the bidirectional screw rod (5) is rotatably connected to the inside of the mounting groove (14), and the other end of the bidirectional screw rod (5) is fixedly provided with a rotating handle (51).

4. The vehicle-mounted directional antenna of claim 2, wherein: The fixed seat (1) is also provided with a movable groove two (13) and a movable groove one (12), the movable groove two (13) and the movable groove one (12) are arranged on both sides of the mounting groove (14), the mounting groove (14), the movable groove two (13) and the movable groove one (12) are communicated, and the movable groove one (12) and the movable groove two (13) are perpendicular to each other in space.

5. A vehicle mounted directional antenna according to claim 4, characterised in that: The connecting arm (521) is located in the inside of the movable groove two (13), the connecting rod (34) is located in the inside of the movable groove one (12), and the connecting rod (34) is in the shape of "L".

6. The vehicle-mounted directional antenna of claim 1, wherein: The inside of the clamp (3) is adhesively connected with a rubber gasket (31), and the inside bottom of the clamp (3) is fixedly provided with a supporting plate (32).

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