CN210404021U

CN210404021U - Portable dual-purpose passive monitoring antenna

Info

Publication number: CN210404021U
Application number: CN201921904041.8U
Authority: CN
Inventors: 夏银河; 何天毅
Original assignee: Beijing Wanrui Tianrong Information Technology Co ltd
Current assignee: Beijing Wanrui Tianrong Information Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-04-24
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to the technical field of radio monitoring equipment, in particular to a portable dual-purpose passive monitoring antenna, which comprises an installation sleeve, wherein a support frame is welded on the side wall of the installation sleeve, the bottom of the support frame is welded with the center of a mounting plate, the end surface of the mounting plate is evenly provided with a mounting hole for the axle center based on the support frame, the inside of the installation sleeve is sleeved with a support sleeve, the end part of the installation sleeve is provided with a knob near the support sleeve, one end of the knob penetrates through the installation sleeve and the support sleeve and extends to the other side of the installation sleeve, the inside of the end part of the support sleeve is sleeved with an insulating rod, the utility model designs a dual-purpose monitoring antenna which can cover a short wave full frequency band and a designated ultrashort wave frequency band, can perfectly replace the two antennas, has simplified equipment, the types of the portable antennas are reduced, the portable weight is reduced, and the cost is reduced.

Description

Portable dual-purpose passive monitoring antenna

Technical Field

The utility model relates to a radio monitoring facilities technical field specifically is a portable dual-purpose passive monitoring antenna.

Background

With the use of a large number of portable radio monitoring devices, monitoring antennas with various frequencies and functions are needed, and the conventional monitoring antennas cover a single frequency band and have a single purpose.

To sum up, the utility model discloses a design a portable dual-purpose passive monitoring antenna and solve the problem that exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable dual-purpose passive monitoring antenna to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a portable dual-purpose passive monitoring antenna comprises an installation sleeve, wherein a support frame is welded on the side wall of the installation sleeve, the center of a mounting plate is welded at the bottom of the support frame, mounting holes are uniformly formed in the end face of the mounting plate and are based on the support frame as an axis, a support sleeve is sleeved inside the installation sleeve, a knob is arranged at the end part of the installation sleeve and is close to the support sleeve, one end of the knob penetrates through the installation sleeve and the support sleeve and extends to the other side of the installation sleeve, an insulating rod is sleeved inside the end part of the support sleeve, the end part of the insulating rod is connected to the bottom of a lifting rod, a metal sleeve is arranged on the outer walls of the support sleeve and the insulating rod and is positioned at the joint of the support sleeve and the insulating rod, an installation disc is arranged at the end part of the lifting rod, and the, the bottom of antenna element is connected with the bracing piece through changeing the round pin rotation, the other end of bracing piece rotates through changeing the round pin and connects on the supporting disk, the inside of supporting disk cup joints on the lifter, the below of supporting disk and the outer wall that is located the lifter cup joint can have the rotating sleeve, the bottom of bracing piece has seted up outer screw section near the insulator spindle.

Preferably, the three support frames are welded on the side wall of the mounting sleeve at equal angles, and reinforcing rods are welded among the three support frames.

Preferably, the knob is respectively connected with the mounting sleeve and the supporting sleeve in a threaded manner.

Preferably, the support sleeve, the lifting rod and the metal sleeve are all made of aluminum materials, and the insulating rod is made of polypropylene.

Preferably, metal sleeve's outer wall is handled through the annular knurl, support sleeve's inside is equipped with evenly is equipped with the internal thread, the insulator spindle is the threaded rod, the inner wall of lifter bottom is equipped with the internal thread, the inner wall of support sleeve tip is equipped with the internal thread outer wall and is equipped with the external screw thread, the internal thread connected mode of external screw thread on the lifter and inside and support sleeve inner wall of lifter is threaded connection, the internal thread of metal sleeve inner wall and insulator spindle, support sleeve on and the connected mode of the external screw thread section be threaded connection.

Preferably, an external thread section is arranged on the lifting rod and at the end part close to the lifting rod, the external thread section at the end part of the lifting rod is in threaded connection with the rotating sleeve, and the supporting disc is in sliding connection with the lifting rod.

Preferably, the antenna oscillators are arranged on the circumference of the mounting disc in an eight-angle surrounding mode, the eight antenna oscillators are connected to the supporting disc through supporting rods and are connected in the same structure mode, the mounting disc, the supporting disc, the eight antenna oscillators and the supporting rods corresponding to the eight antenna oscillators form an umbrella-shaped structure, and the eight antenna oscillators are in various different frequency bands within the frequency range of 100 MHz-1 GHz.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, can cover the dual-purpose monitoring antenna of full frequency channel of shortwave and appointed ultrashort wave frequency channel through the design, can perfectly replace above-mentioned two kinds of antennas, have simplified equipment, it is more convenient to use, reduces and carries the antenna type and alleviate and carry weight, reduce cost's advantage.

2. The utility model discloses in, constitute "umbrella structure", eight through the bracing piece that design mounting disc, supporting disk, eight antenna elements and eight antenna elements correspond antenna elements is various different frequency channels in 100MHz ~ 1GHz frequency to umbrella antenna elements plays the effect of high-frequency capacitance cap, reaches the effect of optimizing high-frequency current distribution, is showing and is improving reception performance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the metal sleeve removing structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the lifter portion of the present invention;

FIG. 4 is a schematic diagram of a partial explosion structure of the present invention;

FIG. 5 is a schematic bottom view of the embodiment of FIG. 3;

fig. 6 is an enlarged schematic structural diagram of the present invention a.

In the figure: 1-mounting sleeve, 2-supporting frame, 3-mounting plate, 4-mounting hole, 5-supporting sleeve, 6-knob, 7-insulating rod, 8-lifting rod, 9-metal sleeve, 10-mounting disk, 11-antenna oscillator, 12-supporting rod, 13-supporting disk, 14-rotating sleeve and 15-external screw section.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a portable dual-purpose passive monitoring antenna comprises an installation sleeve 1, a support frame 2 is welded on the side wall of the installation sleeve 1, the center of a mounting plate 3 is welded at the bottom of the support frame 2, mounting holes 4 are uniformly formed in the end face of the mounting plate 3 based on the support frame 2 as an axis, a support sleeve 5 is sleeved in the installation sleeve 1, a knob 6 is arranged at the end part of the installation sleeve 1 and close to the support sleeve 5, one end of the knob 6 penetrates through the installation sleeve 1 and the support sleeve 5 and extends to the other side of the installation sleeve 1, an insulating rod 7 is sleeved in the end part of the support sleeve 5, the end part of the insulating rod 7 is connected to the bottom of a lifting rod 8, a metal sleeve 9 is arranged on the outer wall of the support sleeve 5 and the outer wall of the insulating rod 7 and located at the connection part of the support sleeve 5 and the insulating rod 7, an installation disc 10 is arranged at the end part, the bottom of antenna element 11 is connected with bracing piece 12 through changeing the round pin rotation, the other end of bracing piece 12 rotates through changeing the round pin and connects on supporting disk 13, the inside of supporting disk 13 cup joints on lifter 8, the below of supporting disk 13 and the outer wall that is located lifter 8 cup joints can have rotating sleeve 14, the bottom of bracing piece 12 has seted up outer screw 15 near insulator spindle 7, mounting disc 10, supporting disk 13, eight antenna element 11 and the bracing piece 12 that eight antenna element 11 correspond constitute "umbrella structure", eight thereby antenna element 11 is the effect that various different frequency channels in 100MHz ~ 1GHz frequency played the high-frequency capacitor cap, reaches the effect of optimizing high-frequency current distribution, is showing improvement reception performance.

The utility model discloses work flow: when the antenna is erected in the field, the three antenna oscillators 2 are arranged and welded at equal angles on the side wall of the mounting sleeve 1 to form a triangular support frame, the mounting plate 3 is utilized, the mounting holes 4 are fixed at the erected position through bolts, after the triangular support frame is erected, the knob 6 is respectively connected with the mounting sleeve 1 and the support sleeve 5 in a threaded connection mode, the support sleeve 5 is mounted inside the mounting sleeve 1 and is fixed in a threaded mode through the knob 6, after the support sleeve 5 is installed, the eight antenna oscillators 11 are arranged on the circumference of the mounting disc 10 in an encircling mode at equal angles, the eight antenna oscillators 11 are connected to the support disc 13 through the support rods 12 in the same connecting structure mode, the mounting disc 10, the support disc 13, the eight antenna oscillators 11 and the support rods 12 corresponding to the eight antenna oscillators 11 form an umbrella-shaped structure, and the outer thread sections 15 at the end parts of the lifting rods 8 are connected with the rotating sleeve 14 The connection mode is threaded connection, the connection mode of the support plate 13 and the lifting rod 8 is that the antenna oscillator 11 with an umbrella-shaped structure is opened through pushing the support plate 13 in a sliding connection mode, the support plate 13 is in threaded connection with an outer thread section 15 at the end part of the lifting rod 8 through rotating a rotating sleeve 14 after the antenna oscillator is opened, and then the antenna oscillator is fixed, the inner part of the support sleeve 5 is uniformly provided with inner threads, the insulating rod 7 is a threaded rod, the inner wall at the bottom of the lifting rod 8 is provided with inner threads, the inner wall at the end part of the support sleeve 5 is provided with outer threads, the outer threads on the lifting rod 8 are in threaded connection with the inner threads inside the lifting rod 8 and the inner wall of the support sleeve 5, the inner threads on the inner wall of the metal sleeve 9 are in threaded connection with the insulating rod 7, the support sleeve 5 and the outer thread section 15, Lifter 8 connects, constitute the bracing piece and accomplish whole equipment promptly, in-process supporting sleeve 5 using, 8 two parts of lifter concatenate one section insulating short rod body, be one can spiral gliding metal sleeve 9 in its outside, when using as the ultrashort wave antenna, metal sleeve 6 slides from lifter 8 and moves to insulator spindle 7 department, the latter half only plays supporting role, when using as the shortwave antenna, 9 spirals of metal sleeve are to outer spiral 15 on lifter 8, carry out the overlap joint with supporting sleeve 5 and lifter 8, constitute complete shortwave whip antenna, this process can cover the dual-purpose monitoring antenna of shortwave full frequency range and appointed ultrashort wave frequency range through the design, can perfectly replace above-mentioned two kinds of antennas, and has simplified equipment, it is more convenient to use, reduce and carry the antenna kind and alleviate and carry the weight, cost-reducing's advantage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable dual-purpose passive monitoring antenna, includes installation sleeve (1), its characterized in that: the mounting structure is characterized in that a support frame (2) is welded on the side wall of the mounting sleeve (1), the center of a mounting plate (3) is welded at the bottom of the support frame (2), mounting holes (4) are uniformly formed in the end face of the mounting plate (3) and are based on the support frame (2) as an axis, a support sleeve (5) is sleeved in the mounting sleeve (1), a knob (6) is arranged at the end part of the mounting sleeve (1) and close to the support sleeve (5), one end of the knob (6) penetrates through the mounting sleeve (1) and the support sleeve (5) and extends to the other side of the mounting sleeve (1), an insulating rod (7) is sleeved in the end part of the support sleeve (5), the end part of the insulating rod (7) is connected to the bottom of a lifting rod (8), a metal sleeve (9) is arranged on the outer wall of the support sleeve (5) and the outer wall of the insulating rod (7) and is located at the connection part of the, the tip of lifter (8) is equipped with mounting disc (10), there is antenna element (11) bottom of mounting disc (10) through changeing the round pin and connecting, the bottom of antenna element (11) is rotated through changeing the round pin and is connected with bracing piece (12), the other end of bracing piece (12) is rotated through changeing the round pin and is connected on supporting disk (13), the inside of supporting disk (13) is cup jointed on lifter (8), the below of supporting disk (13) and the outer wall that is located lifter (8) cup joint can have rotating sleeve (14), outer spiral shell section (15) have been seted up and be close to insulator spindle (7) in the bottom of bracing piece (12).

2. The portable dual-purpose passive monitoring antenna of claim 1, wherein: the supporting frame (2) is three and welded on the side wall of the mounting sleeve (1) at equal angles to form a triangular supporting frame, and reinforcing rods are welded between the supporting frame (2).

3. The portable dual-purpose passive monitoring antenna of claim 1, wherein: the knob (6) is in threaded connection with the mounting sleeve (1) and the supporting sleeve (5) respectively.

4. The portable dual-purpose passive monitoring antenna of claim 1, wherein: support sleeve (5), lifter (8), metal sleeve (9) all adopt the aluminium material to make and form, insulator spindle (7) adopt the insulator spindle that polypropylene made forms.

5. The portable dual-purpose passive monitoring antenna of claim 1, wherein: the outer wall of metal sleeve (9) is handled through the annular knurl, the inside of support sleeve (5) is equipped with evenly is equipped with the internal thread, insulator spindle (7) are the threaded rod, the inner wall of lifter (8) bottom is equipped with the internal thread, the inner wall of support sleeve (5) tip is equipped with the internal thread and the outer wall is equipped with the external screw thread, external screw thread on lifter (8) is threaded connection with the internal connection mode of lifter (8) inside and support sleeve (5) inner wall, the internal thread of metal sleeve (9) inner wall is threaded connection with insulator spindle (7), on support sleeve (5) and the connected mode of external screw thread section (15).

6. The portable dual-purpose passive monitoring antenna of claim 1, wherein: an outer thread section (15) is arranged on the lifting rod (8) and close to the end part of the lifting rod (8), the outer thread section (15) at the end part of the lifting rod (8) is in threaded connection with the rotating sleeve (14), and the supporting disc (13) is in sliding connection with the lifting rod (8).

7. The portable dual-purpose passive monitoring antenna of claim 1, wherein: antenna element (11) set up eight and wait the angle and encircle the circumference that sets up on mounting disc (10), eight antenna element (11) all connect on supporting disk (13) and connection structure mode is the same through bracing piece (12), mounting disc (10), supporting disk (13), eight antenna element (11) and support rod (12) that eight antenna element (11) correspond constitute "umbrella structure", eight antenna element (11) are various different frequency channels in 100MHz ~ 1GHz frequency.