CN209860130U

CN209860130U - Sucker antenna

Info

Publication number: CN209860130U
Application number: CN201921135047.3U
Authority: CN
Inventors: 付新林; 胡方奔; 陈煜�
Original assignee: Sheng Banger Science And Technology Ltd Of Shenzhen
Current assignee: Sheng Banger Science And Technology Ltd Of Shenzhen
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2019-12-27
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to a sucking disc antenna, including antenna radiation body, chassis fixing base and feeder cable, wherein, magnet has been inlayed to chassis fixing base bottom, be equipped with PCB ground connection unit in the chassis fixing base, be equipped with feed point and ground point on the PCB ground connection unit, the antenna radiation body stretches into in the chassis fixing base and with feed point fixed connection, feeder cable includes inner core and outer weaving layer, the inner core stretches into in the chassis fixing base and with feed point fixed connection, outer weaving layer stretch into in the chassis fixing base and with ground point fixed connection. The utility model discloses be provided with PCB ground connection unit, pass through PCB ground connection unit welding with antenna radiation body and feeder cable and be in the same place, satisfied sucking disc antenna's radiation performance and strengthened uniformity between them greatly, simplified the inside structure of sucking disc antenna simultaneously, make the utility model discloses a manufacturing cost of sucking disc antenna reduces and easy to carry out automated production.

Description

Sucker antenna

Technical Field

The utility model relates to the technical field of antennas, in particular to sucking disc antenna.

Background

Along with the rapid development of internet of things, multiple internet of things products have emerged in the market, such as smart electric meter, intelligent water meter, intelligent baby machine etc., and the environment that the most of internet of things products were placed is in the place that the signal covers less than well, so the degree of dependence of internet of things product to antenna performance is more and more high, the sucking disc antenna is because of its installation is convenient and product appearance is with the advantage that metal material is many at most, become the first-choice of terminal product, but the inner structure of current sucking disc antenna is complicated, the preparation process is more and loaded down with trivial details, with high costs and be difficult for implementing automated production. Therefore, the prior art has yet to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming that exists among the prior art, provide a simple structure, with low costs and easily realize automated production's sucking disc antenna.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a sucking disc antenna, including antenna radiation body, chassis fixing base and feed cable, wherein, magnet has been inlayed to chassis fixing base bottom, be equipped with PCB ground connection unit in the chassis fixing base, be equipped with feed point and ground point on the PCB ground connection unit, the antenna radiation body stretches into in the chassis fixing base and with feed point fixed connection, feed cable includes inner core and outer weaving layer, the inner core stretches into in the chassis fixing base and with feed point fixed connection, outer weaving layer stretch into in the chassis fixing base and with ground point fixed connection.

The chassis fixing seat comprises an upper cover and a lower cover, the upper cover and the lower cover are fastened and fixed to form a containing cavity in an enclosed mode, and the PCB grounding unit is contained in the containing cavity.

The inner wall of the upper cover inwards extends out of a plurality of supporting columns, the PCB grounding unit is fixed on the supporting columns, the lower cover is provided with a pair of oppositely arranged protruding columns, and the protruding columns are in butt joint with the PCB grounding unit.

The antenna radiation body extends into the chassis fixing seat from the fixing column, and the feed cable extends into the chassis fixing seat from the through hole.

The lower cover is provided with a clamping portion, the upper cover is provided with a clamping matching groove, the clamping portion is inserted into the clamping matching groove to fix the upper cover and the lower cover, the clamping portion is provided with a first U-shaped groove, the clamping matching groove is provided with a second U-shaped groove, and the first U-shaped groove and the second U-shaped groove are enclosed to form the through hole.

The PCB grounding unit is made of a PCB material with a dielectric constant of 4.4.

The antenna radiation body is made of rigid materials, and the middle of the antenna radiation body is spiral.

The chassis fixing seat is made of PC or ABS materials.

And the other end of the feed cable is connected with a connector.

The utility model discloses beneficial effect that technical scheme has:

the utility model discloses be provided with PCB ground connection unit, link together antenna radiation body and feeder cable through PCB ground connection unit, satisfied sucking disc antenna's radiation performance and strengthened uniformity between them greatly, simplified the inside structure of sucking disc antenna simultaneously, make the utility model discloses a manufacturing cost of sucking disc antenna reduces and easy to carry out automated production.

Drawings

Fig. 1 is a schematic structural diagram of the sucker antenna of the present invention;

FIG. 2 is a bottom view of the present invention with the lower cover removed;

FIG. 3 is a schematic structural view of the chassis fixing base of the present invention;

fig. 4 is a schematic structural view of the upper cover of the present invention;

fig. 5 is a bottom view of the upper cover of the present invention;

fig. 6 is a schematic structural view of the lower cover of the present invention;

the reference numbers illustrate:

100-sucker antenna, 10-antenna radiation body, 20-chassis fixing base, 21-upper cover, 211-supporting column, 212-clamping matching groove, 2121-second U-shaped groove, 22-lower cover, 221-protruding column, 222-clamping part, 2221-first U-shaped groove, 24-fixing column, 25-through hole, 201-PCB grounding unit, 2011-feeding point, 2012-grounding point, 30-feeding cable, 31-inner core, 32-outer braid layer and 40-connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 6, the present invention provides a suction cup antenna 100, which includes an antenna radiation body 10, a chassis fixing base 20 and a feed cable 30, wherein a magnet (not shown) is embedded at the bottom of the chassis fixing base 20, and the suction cup antenna 100 can be directly adsorbed and mounted on an adsorptive material through the magnet, so that the mounting is convenient and fast. The antenna radiation body 10 and the feed cable 30 are connected together by the PCB grounding unit 201 as a connection carrier, and the structure is simple and stable.

The utility model discloses be provided with PCB ground connection unit 201, pass through PCB ground connection unit 201 welding with antenna radiation body 10 and feeder cable 30 and be in the same place, satisfied sucking disc antenna 100's radiation performance and strengthened uniformity between them greatly, simplified sucking disc antenna 100 inside structure simultaneously, make the utility model discloses a sucking disc antenna 100's cost of manufacture reduces and easy to carry out automated production, can use in more thing networking products.

Further, the chassis fixing seat 20 includes an upper cover 21 and a lower cover 22, the upper cover 21 and the lower cover 22 are fastened and fixed to form an accommodating cavity, and the PCB grounding unit 201 is accommodated in the accommodating cavity, so as to provide a good sealing protection effect for the PCB grounding unit 201.

Preferably, a plurality of support columns 211 inwardly extend out of the inner wall of the upper cover 21, the PCB grounding unit 201 is fixed on the support columns 211, the lower cover 22 is provided with a pair of oppositely arranged protruding columns 221, the protruding columns 221 are abutted to the PCB grounding unit 201, wherein the protruding columns 221 can be in multiple pairs, so that the PCB grounding unit 201 can be stably fixed to prevent shaking and falling.

Specifically, the chassis fixing seat 20 is provided with a hollow fixing column 24 and a through hole 25, the antenna radiation body 10 extends into the chassis fixing seat 20 from the fixing column 24, and the feed cable 30 extends into the chassis fixing seat 20 from the through hole 25, so that the moving ranges of the antenna radiation body 10 and the feed cable 30 are limited, and stability is maintained.

Further, the lower cover 22 is provided with a clamping portion 222, the upper cover 21 is provided with a clamping matching groove 212, the clamping portion 222 is inserted into the clamping matching groove 212 to fix the upper cover 21 and the lower cover 22, the clamping portion 222 is provided with a first U-shaped groove 2221, the clamping matching groove 212 is provided with a second U-shaped groove 2121, the first U-shaped groove 2221 and the second U-shaped groove 2121 enclose the through hole 25, when the cable feeder 30 is installed, the cable feeder 30 can be firstly welded on the PCB grounding unit 201, then the outer braid 32 of the cable feeder 30 is placed on the second U-shaped groove 2121 to play a role in positioning, and finally the lower cover 22 covers the upper cover 21, the first U-shaped groove 2221 and the second U-shaped groove 2121 enclose the through hole 25 and limit the movement of the cable feeder 30, so as to complete the installation.

Preferably, the PCB grounding unit 201 is made of a PCB material having a dielectric constant of 4.4, and the PCB grounding unit 201 is used as a carrier for connecting the antenna radiation body 10 and the feed cable 30, and is also used as a part of radiation of the chuck antenna 100, which is simpler and more stable than the structure of the existing chuck antenna.

Preferably, the antenna radiation body 10 is made of a rigid material, and the middle part of the antenna radiation body 10 is spiral, so that the height of the antenna radiation body 10 is reduced, the occupied space is reduced, and the length of the antenna radiation body 10 can be customized according to different requirements of users.

Preferably, the chassis fixing base 20 is made of PC or ABS material.

Preferably, the other end of the feeding cable 30 is connected with a connector 40, and the connector 40 may be various types of connectors for connecting different end products.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The sucking disc antenna comprises an antenna radiation body, a chassis fixing seat and a feed cable, and is characterized in that a magnet is embedded at the bottom of the chassis fixing seat, a PCB grounding unit is arranged in the chassis fixing seat, a feed point and a ground point are arranged on the PCB grounding unit, the antenna radiation body extends into the chassis fixing seat and is fixedly connected with the feed point, the feed cable comprises an inner core and an outer weaving layer, the inner core extends into the chassis fixing seat and is fixedly connected with the feed point, and the outer weaving layer extends into the chassis fixing seat and is fixedly connected with the ground point.

2. The sucker antenna of claim 1, wherein the chassis fixing base comprises an upper cover and a lower cover, the upper cover and the lower cover are fastened and fixed to enclose a containing cavity, and the PCB grounding unit is contained in the containing cavity.

3. The sucker antenna of claim 2, wherein the inner wall of the upper cover extends inward to form a plurality of support posts, the PCB ground unit is fixed to the support posts, and the lower cover is provided with a pair of oppositely disposed protruding posts, and the protruding posts abut against the PCB ground unit.

4. The sucker antenna of claim 3, wherein the chassis fixing base is provided with a hollow fixing column and a through hole, the antenna radiation body extends into the chassis fixing base from the fixing column, and the feed cable extends into the chassis fixing base from the through hole.

5. The suction cup antenna as claimed in claim 4, wherein the lower cover is provided with a clamping portion, the upper cover is provided with a clamping matching groove, the clamping portion is inserted into the clamping matching groove to fix the upper cover and the lower cover, the clamping portion is provided with a first U-shaped groove, the clamping matching groove is provided with a second U-shaped groove, and the through hole is defined by the first U-shaped groove and the second U-shaped groove.

6. The chuck antenna of claim 1, wherein the PCB ground element is a PCB material having a dielectric constant of 4.4.

7. The chuck antenna of claim 1, wherein the antenna radiating body is made of rigid material, and the middle part of the antenna radiating body is spiral.

8. Sucker antenna according to claim 1, wherein the chassis fixing base is of PC or ABS material.

9. The suction cup antenna of claim 1, wherein a connector is connected to the other end of the feed cable.