CN212085210U

CN212085210U - Multi-frequency-band mobile phone antenna

Info

Publication number: CN212085210U
Application number: CN202021352817.2U
Authority: CN
Inventors: 蒋振华
Original assignee: Shenzhen Yaguan Antenna Connector Co ltd
Current assignee: Shenzhen Yaguan Antenna Connector Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2020-12-04
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a multi-band mobile phone antenna, which comprises a mounting base plate, an antenna circuit board and an antenna module, wherein the antenna module is fixedly arranged on the antenna circuit board, an antenna limiting block is arranged on the antenna circuit board, a limiting guide rod is fixedly arranged on the mounting base plate, convex blocks are fixedly arranged on two sides of the antenna circuit board, second through holes are arranged on the convex blocks, the second through holes are in sliding fit with the convex blocks, a second spring is arranged between the convex blocks and the mounting base plate, the second spring is in rotating fit with the limiting guide rod, a flexible gasket is rotatably arranged between the limiting guide rod and the convex blocks, a conductive sleeve is fixedly arranged at the bottom of the antenna circuit board, a conductive rod is in sliding fit in the conductive sleeve, and the flexible sleeve and the first spring can damage the buffering mobile phone motherboard of the mounting base plate, the antenna module fixedly mounted on the antenna circuit board can be prolonged in service life under the buffering of the flexible washer and the second spring.

Description

Multi-frequency-band mobile phone antenna

Technical Field

The utility model relates to the technical field of antennas, specifically a multifrequency section cell-phone antenna.

Background

An antenna is a converter that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium or vice versa, a component for transmitting or receiving an electromagnetic wave in a radio apparatus, an engineering system for radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, etc., all of which use electromagnetic waves to transmit information, and which operates by means of an antenna, and in addition, in the aspect of transmitting energy by electromagnetic waves, non-signal energy radiation also requires an antenna.

In the prior art, a mobile phone antenna is directly welded on a mobile phone mainboard, but a mobile phone which needs special use often needs an anti-seismic and anti-falling function, a mobile phone wire can be separated from the mainboard or has poor contact due to over-excitation of vibration in field exploration or special operation, so that the communication function is lost, a conventional antenna cannot be flexibly replaced, the mainboard needs to be disassembled, the mobile phone cannot meet the requirement for special operation of replacing the antenna at high frequency, and a multi-band mobile phone antenna is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifrequency section cell-phone 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:

the utility model provides a multifrequency section cell-phone antenna, includes mounting plate, antenna circuit board and antenna module, antenna module fixed mounting is on the antenna circuit board, the installation is provided with the antenna stopper on the antenna circuit board, fixed mounting has spacing guide bar on the mounting plate, antenna circuit board both sides fixed mounting has the lug, be provided with the second through-hole on the lug, second through-hole and lug sliding fit, be provided with the second spring between lug and the mounting plate, second spring and spacing guide bar normal running fit, rotate between spacing guide bar and the lug and install flexible packing ring, the bottom fixed mounting of antenna circuit board has conductive sleeve, sliding fit has the conducting rod in the conductive sleeve.

Furthermore, the conducting rod is in sliding fit with the round hole in the mounting base plate.

Further, fixed mounting has first mounting panel and second mounting panel on the antenna stopper, rotate through the rotating pin on the first mounting panel and install and compress tightly the pole, be provided with the screw hole on the second mounting panel, screw hole internal thread normal running fit has holding bolt, compress tightly pole and second mounting panel sliding fit.

Furthermore, a flexible pressing block is fixedly arranged below the pressing rod.

Furthermore, a first through hole is formed in the mounting base plate, a screw is arranged in the first through hole in a sliding fit mode, a first spring is arranged between the screw and the mounting base plate, and the first spring is in rotating fit with the screw.

Furthermore, the bottom of the mounting base plate is fixedly provided with a limiting sleeve, a flexible lantern ring is rotationally matched in the limiting sleeve, and the flexible lantern ring is rotationally matched with the screw.

Compared with the prior art, the beneficial effects of the utility model are that: through the harm of the flexible lantern ring and the first spring to the buffering of mounting plate to the cell phone motherboard, the antenna module fixedly mounted on the antenna circuit board can prolong the practical life under the buffering of flexible packing ring and second spring.

Drawings

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

Fig. 2 is a schematic structural diagram of the region a of the present invention.

Fig. 3 is a schematic structural view of the middle limit guide rod of the present invention.

In the figure: 1-mounting base plate, 2-screw, 3-limiting sleeve, 4-flexible sleeve ring, 5-first spring, 6-first through hole, 7-conductive rod, 8-conductive sleeve, 9-antenna circuit board, 10-lug, 11-second through hole, 12-limiting guide rod, 13-flexible gasket, 14-second spring, 15-antenna limiting block, 16-first mounting plate, 17-rotating pin, 18-pressing rod, 19-flexible pressing block, 20-antenna module, 21-second mounting plate, 22-fastening bolt and 23-threaded hole.

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 described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a multiband mobile phone antenna includes a mounting base plate 1, an antenna circuit board 9 and an antenna module 20, the antenna module 20 is fixedly mounted on the antenna circuit board 9, an antenna stopper 15 is mounted on the antenna circuit board 9 and can limit the position of the antenna module 20 from deviating, a limiting guide rod 12 is fixedly mounted on the mounting base plate 1, bumps 10 are fixedly mounted on two sides of the antenna circuit board 9, a second through hole 11 is disposed on the bump 10, the second through hole 11 is in sliding fit with the bump 10, a second spring 14 is disposed between the bump 10 and the mounting base plate 1, the second spring 14 is in rotating fit with the limiting guide rod 12, a flexible gasket 13 is rotatably mounted between the limiting guide rod 12 and the bump 10 and can damp the antenna circuit board 9, a conductive sleeve 8 is fixedly mounted at the bottom of the antenna circuit board 9, the conductive sleeve 8 is internally and slidably fitted with a conductive rod 7.

The conducting rod 7 is in sliding fit with the round hole in the mounting base plate 1, and one end, far away from the antenna circuit board 9, of the conducting rod 7 is fixedly mounted on a mobile phone mainboard.

Example 2

Please refer to fig. 1-3, in the embodiment of the present invention, fixed mounting has first mounting panel 16 and second mounting panel 21 on the antenna stopper 15, rotate through rotating pin 17 on the first mounting panel 16 and install compressing rod 18, be provided with screw hole 23 on the second mounting panel 21, screw hole 23 internal thread normal running fit has holding bolt 22, compressing rod 18 and second mounting panel 21 sliding fit, holding bolt 22 can restrict the rotation of compressing rod 18 in second mounting panel 21.

A flexible pressing block 19 is fixedly arranged below the pressing rod 18, so that the antenna module 20 can be pressed without being damaged.

Be provided with first through-hole 6 on mounting plate 1, sliding fit has screw 2 in first through-hole 6, be provided with first spring 5 between screw 2 and the mounting plate 1, first spring 5 and screw 2 normal running fit can carry out the bradyseism to mounting plate 1.

The bottom fixed mounting of mounting plate 1 has

limit sleeve

3, 3 normal running fit in limit sleeve have flexible lantern ring 4, flexible lantern ring 4 and 2 normal running fit of screw, reducible mounting plate 1 and the extrusion of cell-phone mainboard prevent that the mainboard from damaging.

The utility model discloses a theory of operation is: rotating screw 2 and the cooperation of cell-phone mainboard, fixing mounting plate 1 on the mainboard, conducting rod 7 is connected with power module on the mainboard, place antenna module 20 in antenna stopper 15, rotate compressing tightly pole 18, fix compressing tightly pole 18 on second mounting panel 21 through the cooperation of screwing of holding bolt 22 and screw hole 23, when antenna circuit board 9 received the impact, conducting rod 7 slided in conductive sleeve 8, can cushion antenna circuit board 9 after compressing tightly the pole 18 shrink.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-band mobile phone antenna comprises a mounting base plate (1), an antenna circuit board (9) and an antenna module (20), and is characterized in that the antenna module (20) is fixedly mounted on the antenna circuit board (9), an antenna limiting block (15) is mounted on the antenna circuit board (9), a limiting guide rod (12) is fixedly mounted on the mounting base plate (1), bumps (10) are fixedly mounted on two sides of the antenna circuit board (9), second through holes (11) are formed in the bumps (10), the second through holes (11) are in sliding fit with the bumps (10), second springs (14) are arranged between the bumps (10) and the mounting base plate (1), the second springs (14) are in rotating fit with the limiting guide rod (12), and flexible gaskets (13) are rotatably mounted between the limiting guide rod (12) and the bumps (10), the bottom fixed mounting of antenna circuit board (9) has electrically conductive sleeve (8), sliding fit has conducting rod (7) in electrically conductive sleeve (8).

2. The multiple band handset antenna of claim 1, wherein said conductive rod (7) is a sliding fit with a circular hole on the mounting base plate (1).

3. The multi-band mobile phone antenna of claim 1, wherein the antenna limiting block (15) is fixedly provided with a first mounting plate (16) and a second mounting plate (21), the first mounting plate (16) is rotatably provided with a pressing rod (18) through a rotating pin (17), the second mounting plate (21) is provided with a threaded hole (23), the threaded hole (23) is rotatably engaged with a fastening bolt (22) through a thread, and the pressing rod (18) is slidably engaged with the second mounting plate (21).

4. Multiband handset antenna according to claim 3, characterized in that a flexible clamping block (19) is fixedly mounted under the clamping bar (18).

5. The multi-band mobile phone antenna of claim 1, wherein the mounting base plate (1) is provided with a first through hole (6), the first through hole (6) is internally and slidably fitted with a screw (2), a first spring (5) is arranged between the screw (2) and the mounting base plate (1), and the first spring (5) is rotatably fitted with the screw (2).

6. The multi-band mobile phone antenna of claim 1, wherein the bottom of the mounting base plate (1) is fixedly provided with a limiting sleeve (3), a flexible sleeve ring (4) is rotationally fitted in the limiting sleeve (3), and the flexible sleeve ring (4) is rotationally fitted with the screw (2).