CN210272650U - Miniaturized vehicle-mounted single whip antenna - Google Patents

Abstract

The utility model discloses a miniaturized on-vehicle single whip antenna, including base and antenna mast, storage tank butt on annular elastic gasket and the base is passed through in the pivot on the antenna mast, is equipped with U type jump ring in the peripheral annular mounting groove of pivot, U type jump ring and annular mounting groove lateral wall butt, and two straight arm one-to-ones of U type jump ring are pegged graft in two calories of holes on the base, and U type jump ring medial surface is equipped with the fixture block, and the annular mounting groove is equipped with a plurality of draw-in grooves with the fixture block adaptation along its circumference. The utility model conceals and installs the cable in the first L channel and the second L channel, the wiring channel is smooth, and the cable is prevented from being exposed to the outside; the U-shaped clamp spring, the rotating shaft, the accommodating groove and the annular elastic gasket are sequentially abutted to provide pre-tightening force for the rotation of the antenna mast, so that the angle of the antenna can be switched at will; stir U type jump ring, make the fixture block on the U type jump ring insert the draw-in groove in the annular mounting groove, still fixable antenna mast position avoids the vehicle operation in-process, frequently rocks and leads to the antenna mast to take place the beat.

Description

Miniaturized vehicle-mounted single whip antenna

Technical Field

The utility model relates to the technical field of antennas, in particular to miniaturized on-vehicle single whip antenna.

Background

The single whip antenna is a bendable vertical rod antenna, and the orientation of the antenna needs to be changed when the antenna is used, so that the antenna can be switched between horizontal polarization and vertical polarization. Install the single whip antenna on the vehicle, its antenna mast itself has certain weight, opens at the vehicle and stops the in-process, and the antenna mast leads to the angle of buckling to change along with inertia or vibrations easily, consequently, needs on-vehicle single whip antenna to have higher structural stability to guarantee that its signal quality is still stable after on-vehicle single whip antenna accomplishes from different polarization switching. In the prior art, the rotary joint between the antenna mast and the base mainly utilizes the frictional resistance between the connecting pieces to fix the rotation angle, occupies the installation space, is difficult to maintain the rotation angle of the bending arm under long-term vibration or great inertia acting force, and the cable is exposed to the outside, the internal structure of the antenna cannot be effectively protected, and in addition, the antenna mast is frequently rotated, the connecting joint is constructed to be worn, and the service life of the antenna is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a miniaturized on-vehicle single whip antenna aims at optimizing single whip antenna mounting structure, guarantees the installation stability of single whip antenna among the vehicle driving process.

In order to achieve the above object, the utility model provides a miniaturized vehicle-mounted single whip antenna, including base and antenna mast, inside first L passageway and the second L passageway that supplies the cable to pass that is equipped with respectively of base and antenna mast, first L passageway with second L passageway intercommunication, antenna mast tip side is equipped with a pivot, second L passageway open end is located pivot tip, base tip side be equipped with the storage tank of pivot adaptation, first L passageway with the storage tank intercommunication, the storage tank bottom is equipped with an annular elastic gasket, the cable is worn to locate annular elastic gasket, just the pivot is passed through annular elastic gasket with the storage tank butt.

An annular mounting groove is further formed in the periphery of the rotating shaft along the circumferential direction of the rotating shaft, a U-shaped clamp spring is arranged in the annular mounting groove, the side face of the U-shaped clamp spring is abutted against the side wall of the annular mounting groove, a clamping block is arranged on the inner side face of the U-shaped clamp spring, and a plurality of clamping grooves matched with the clamping block are uniformly formed in the annular mounting groove along the circumferential direction of the annular mounting groove; the base is provided with two clamping holes, the two straight arms of the U-shaped clamp spring are correspondingly inserted into the two clamping holes one by one, and the outer side surface of the straight arm of the U-shaped clamp spring is abutted against the inner side surface of the clamping hole.

Preferably, an impedance converter and a radio frequency connector which are connected in sequence are arranged in the base, and the impedance converter is connected with the radiating body in the antenna rod through the cable.

Preferably, a fixed arm is arranged at the end part of the base, and the accommodating groove is formed in the side surface of the fixed arm; the antenna rod end is provided with a mounting arm, and the rotating shaft is arranged on the side face of the mounting arm.

Preferably, the inner diameter of the U-shaped clamp spring is larger than or equal to the inner diameter of the annular mounting groove, and is smaller than the outer diameter of the annular mounting groove.

Preferably, the annular elastic gasket is a metal elastic gasket.

Preferably, the periphery of any straight arm of the U-shaped clamp spring is sleeved with an elastic anti-skidding sleeve, and the straight arm of the U-shaped clamp spring is abutted against the inner side face of the clamping hole through the elastic anti-skidding sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: through set up first L passageway and the second L passageway of intercommunication each other respectively on base and antenna mast, the cable is hidden to be installed in first L passageway and second L passageway, walks that the line passageway is smooth, avoids the cable to expose in the external world.

Two straight arms of U type jump ring one-to-one insert the card on the base downthehole, and U type jump ring and the epaxial annular mounting groove lateral wall butt of commentaries on classics to install the antenna mast on the base. The pivot of antenna mast tip side passes through annular elastic gasket and the storage tank butt of base tip side, for the rotatory pretightning force that provides of antenna mast, is convenient for switch the antenna mast to required angle at will.

Stir U type jump ring, make the fixture block on the U type jump ring insert the draw-in groove in the annular mounting groove, still fixable antenna mast position avoids the vehicle operation in-process, frequently rocks and leads to the antenna mast to take place the beat.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a sectional view of the fixture block of the present invention not pressed into the slot;

fig. 2 is the utility model discloses antenna mast and U type jump ring equipment spatial structure schematic diagram.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The utility model provides a miniaturized vehicle-mounted single whip antenna, as shown in fig. 1, including base 1 and antenna mast 2, base 1 and antenna mast 2 are inside to be equipped with respectively and supply first L passageway 11 and second L passageway 21 that cable 3 passed, first L passageway 11 with second L passageway 21 intercommunication, antenna mast 2 tip side is equipped with a pivot 22, second L passageway 21 open end is located the pivot 22 tip, base 1 tip side is equipped with storage tank 12 with pivot 22 adaptation, first L passageway 11 with storage tank 12 intercommunication, storage tank 12 bottom is equipped with an annular elastic gasket 4, cable 3 wears to locate annular elastic gasket 4, and pivot 22 pass through annular elastic gasket 4 with storage tank 12 butt; an annular mounting groove 23 is further formed in the periphery of the rotating shaft 22 along the circumferential direction of the rotating shaft, a U-shaped clamp spring 5 is arranged in the annular mounting groove 23, the side face of the U-shaped clamp spring 5 is abutted to the side wall of the annular mounting groove 23, as shown in fig. 2, a clamping block 51 is arranged on the inner side face of the U-shaped clamp spring 5, a plurality of clamping grooves 24 matched with the clamping block 51 are evenly formed in the annular mounting groove 23 along the circumferential direction of the annular mounting groove, two clamping holes are formed in the base 1, two straight arms 52 of the U-shaped clamp spring 5 are correspondingly inserted into the two clamping holes one by one, and the outer side face of each straight arm 52 of the.

An impedance converter 61 and a radio frequency connector 62 which are connected in sequence are arranged in the base 1, and the impedance converter 61 is connected with a radiator (not shown in the figure) in the antenna rod 2 through a cable 3. As shown in fig. 1, the cable 3 led out from the impedance transformer 61 sequentially passes through the second L-shaped channel 21, the annular elastic gasket 4 and the first L-shaped channel 11 and then is connected to the radiator in the antenna rod 2, so that the cable 3 is hidden in the internal structure of the antenna on the basis of ensuring the smoothness of the installation channel of the cable 3, and the cable 3 is prevented from being exposed to the outside.

A fixed arm 13 is arranged at the end part of the base 1, and the accommodating groove 12 is arranged on the side surface of the fixed arm 13; the end part of the antenna rod 2 is provided with an installation arm 25, the rotating shaft 22 is arranged on the side surface of the installation arm 25, and the thickness of the joint of the base 1 and the antenna rod 2 is only the thickness of the fixing arm 13, the U-shaped clamp spring 5 and the installation arm 25 in a stacked mode, so that the structure is compact.

U type jump ring 5 internal diameter is greater than or equal to annular mounting groove 23 internal diameter, and is less than annular mounting groove 23 external diameter maintains 5 sides of U type jump ring and the 23 lateral wall butt of annular mounting groove, avoids 5 home range oversize and the separation of annular mounting groove 23 of U type jump ring.

During the assembly, insert annular mounting groove 23 from pivot 22 side with two straight arms 52 of U type jump ring 5 earlier, rotatory U type jump ring 5 makes two straight arms 52 of U type jump ring 5 face down to stir U type jump ring 5 upwards, with two straight arm 52 portions receipts of U type jump ring 5 in annular mounting groove 23. The base is placed along vertical direction, storage tank 12 is aimed at to pivot 22, compress tightly fixed arm 13 and installation arm 25 from both sides, push into storage tank 12 with pivot 22 on antenna mast 2, stir U type jump ring 5 downwards, two straight arms 52 one-to-one of U type jump ring 5 insert the card hole on the base 1, under annular elastic gasket 4 resumes elastic deformation's effort, U type jump ring 5 and annular mounting groove 23 butt provide the pretightning force for antenna mast 2's rotation. At this moment, can maintain U type jump ring 5 position unchangeable, be convenient for switch antenna mast 2 angle at will, also can continue to press down U type jump ring 5, make fixture block 51 insert in draw-in groove 24, fixed antenna mast 2 position avoids the vehicle operation in-process, frequently rocks and leads to antenna mast 2 to take place the beat.

When overhauing antenna inner structure, stir U type jump ring 5 upwards, make U type jump ring 5 straight arm 52 shift out the card hole, can remove U type jump ring 5 and base 1 and to the injecing of antenna mast 2, directly pull down antenna mast 2 convenient operation.

Under frequent rotation, the annular elastic gasket 4 between the rotating shaft 22 and the accommodating groove 12 is easily worn, and in this embodiment, the annular elastic gasket 4 is a metal elastic gasket, so as to provide a pretightening force for the rotation of the antenna rod 2, and is wear-resistant.

Preferably, an elastic anti-slip sleeve 53 is sleeved on the periphery of any straight arm 52 of the U-shaped clamp spring 5, the straight arm 52 of the U-shaped clamp spring 5 is abutted against the inner side surface of the clamping hole through the elastic anti-slip sleeve 53, and the elastic anti-slip sleeve 53 can be a rubber elastic anti-slip sleeve, so that the installation stability of the U-shaped clamp spring 5 is further ensured.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (6)

1. A miniaturized vehicle-mounted single whip antenna comprises a base and an antenna rod, and is characterized in that a first L channel and a second L channel for cables to penetrate through are respectively arranged in the base and the antenna rod, the first L channel is communicated with the second L channel, a rotating shaft is arranged on the side face of the end portion of the antenna rod, the open end of the second L channel is arranged at the end portion of the rotating shaft, an accommodating groove matched with the rotating shaft is formed in the side face of the end portion of the base, the first L channel is communicated with the accommodating groove, an annular elastic gasket is arranged at the bottom of the accommodating groove, the cables penetrate through the annular elastic gasket, and the rotating shaft is abutted to the accommodating groove through the annular elastic gasket; an annular mounting groove is further formed in the periphery of the rotating shaft along the circumferential direction of the rotating shaft, a U-shaped clamp spring is arranged in the annular mounting groove, the side face of the U-shaped clamp spring is abutted against the side wall of the annular mounting groove, a clamping block is arranged on the inner side face of the U-shaped clamp spring, and a plurality of clamping grooves matched with the clamping block are uniformly formed in the annular mounting groove along the circumferential direction of the annular mounting groove; the base is provided with two clamping holes, the two straight arms of the U-shaped clamp spring are correspondingly inserted into the two clamping holes one by one, and the outer side surface of the straight arm of the U-shaped clamp spring is abutted against the inner side surface of the clamping hole.

2. The miniaturized vehicle-mounted whip antenna of claim 1 wherein an impedance transformer and a radio frequency connector are sequentially connected in said base, said impedance transformer being connected to a radiator in said antenna rod through said cable.

3. The miniaturized vehicle-mounted whip antenna of claim 1 wherein said base has a fixed arm at an end thereof, and said receiving slot is formed at a side of said fixed arm; the antenna rod end is provided with a mounting arm, and the rotating shaft is arranged on the side face of the mounting arm.

4. The miniaturized vehicle-mounted whip antenna of claim 1, wherein an inner diameter of the U-shaped clamp spring is greater than or equal to an inner diameter of the annular mounting groove and is smaller than an outer diameter of the annular mounting groove.

5. The miniaturized vehicle-mounted whip antenna of claim 1 wherein said annular resilient patch is a metal resilient patch.

6. The miniaturized vehicular single whip antenna as claimed in claim 1, wherein an elastic anti-slip sleeve is sleeved on the periphery of any straight arm of the U-shaped clamp spring, and the straight arm of the U-shaped clamp spring abuts against the inner side surface of the clamping hole through the elastic anti-slip sleeve.

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