CN216958458U

CN216958458U - Driving device for phase shifter

Info

Publication number: CN216958458U
Application number: CN202220115537.2U
Authority: CN
Inventors: 蒋冬星
Original assignee: Dongguan Hongpeng Plastic Technology Co ltd
Current assignee: Dongguan Hongpeng Plastic Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-12
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to the field of mobile communication antennas, in particular to a driving device for a phase shifter. The driving device comprises a power assembly, a gear assembly and a plurality of screws; a variable-frequency sliding block is movably sleeved on the screw rod and is used for being connected with the phase shifter; the power assembly is used for driving the gear assembly to work, the gear assembly comprises a first gear matched with the screw, and the screw is movably connected with the first gear; the first gear is driven to rotate so as to drive the corresponding screw rod to rotate, and the frequency conversion sliding block is driven to slide on the screw rod so as to drive the phase shifter to move. This application power component drive gear subassembly work states thereby the screw rod that first gear driven rotation corresponds and rotates, and the cover is equipped with the frequency conversion slider on the screw rod, and the frequency conversion slider with move looks ware and be connected to adjust and move looks ware, and then realized that a drive arrangement can adjust the phase place that a plurality of looks wares moved on the antenna, occupation space is little, does benefit to the miniaturization of multifrequency fusion antenna very much.

Description

Driving device for phase shifter

Technical Field

The utility model relates to the field of mobile communication antennas, in particular to a driving device for a phase shifter.

Background

At present, the phase of a phase shifter of a base station antenna in a mobile communication system is generally changed manually or electrically, and in a conventional electrically-operated manner, an independent phase adjusting device is adopted for each phase shifter, but with the limitation of mobile base station resources, a multi-frequency antenna has become an increasingly demanded trend. For a multi-frequency antenna, the mainstream electric adjustment method is to use one adjusting device for each frequency band antenna, i.e. one multi-frequency antenna needs multiple adjusting devices.

The present antenna frequency fuses more and more, and a plurality of adjusting device can't satisfy miniaturized development trend. In view of the above-mentioned drawbacks, there is currently a need for a multi-frequency antenna that is adjustable by an adjustment device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a driving device for a phase shifter, which meets the requirement of miniaturization of the current driving device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a driving device for a phase shifter includes a power assembly, a gear assembly, and a plurality of screws;

the screw rod is movably sleeved with a variable frequency slide block, and the variable frequency slide block is used for being connected with the phase shifter;

the power assembly is used for driving the gear assembly to work, the gear assembly comprises first gears matched with the screw rods in number, and the screw rods are movably connected with the first gears;

the first gear is driven to rotate so as to drive the corresponding screw rod to rotate, and the variable-frequency slide block is driven to slide on the screw rod so as to drive the phase shifter to move.

Preferably, the power assembly comprises a first motor and a second motor, and the gear assembly is arranged at the output ends of the first motor and the second motor.

Preferably, the gear assembly comprises a second gear, a third gear and a fourth gear, the number of the third gears being the same as the number of the first gears;

the fourth gear is arranged at the output end of the first motor, the first motor is used for driving the fourth gear to rotate so as to drive the third gear of the corresponding gear to move to a working position, and the third gear in the working position is meshed with the first gear and the second gear simultaneously;

the second gear is arranged at the output end of the second motor, the second motor is used for driving the second gear to rotate, and the second gear is used for driving the third gear to rotate so as to drive the first gear to rotate.

Preferably, the gear assembly further comprises a metal plate, and the power assembly, the gear assembly and the screw are all arranged on the metal plate.

Preferably, the device further comprises a first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are arranged at a preset distance;

the screw rod is arranged on the first mounting seat and the second mounting seat.

Preferably, the screw rod further comprises a resistance block, and the resistance block is sleeved on the screw rod.

Preferably, the resistance block is provided with a plurality of through holes, and the screw is arranged in the through holes.

Preferably, the third gear is disposed on an outer periphery of the second gear, and the first gear is disposed on an outer periphery of the third gear.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

this application drive arrangement includes power component, gear assembly and a plurality of screw rod, and the power component drive the gear assembly work, thereby first gear driven rotation drive corresponds the screw rod rotates, and the cover is equipped with the frequency conversion slider on the screw rod, and the frequency conversion slider is connected with moving the looks ware to the regulation moves the looks ware, and then has realized that a drive arrangement can adjust the phase place that a plurality of looks wares were moved on the antenna, and occupation space is little, does benefit to the miniaturization of multifrequency fusion antenna very much.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 these drawings without inventive exercise.

Fig. 1 is an exploded view of a driving device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a driving device according to an embodiment of the present invention.

Illustration of the drawings: the device comprises a screw rod 1, a frequency conversion sliding block 2, a first gear 3, a second gear 4, a third gear 5, a fourth gear 6, a first motor 7, a second motor 8, a metal plate 9, a first mounting seat 10, a second mounting seat 11 and a resistance block 12.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

Example one

Referring to fig. 1 to 2, a driving apparatus for a phase shifter includes a power assembly, a gear assembly, and a plurality of screws 1.

The screw rod 1 is movably sleeved with a frequency conversion sliding block 2, and the frequency conversion sliding block 2 is used for being connected with a phase shifter. In this embodiment, the driving device includes eight screws, and eight frequency conversion sliders 2 are correspondingly disposed, and the eight frequency conversion sliders 2 adjust the corresponding phase shifters through moving.

The power assembly is used for driving the gear assembly to work, the gear assembly comprises first gears 3 matched with the screws 1 in number, and the screws 1 are movably connected with the first gears 3. In the present embodiment, the power assembly includes eight first gears 3.

The power assembly is used for driving different first gears 3 to rotate so as to drive the corresponding screw rods 1 to rotate, and the variable frequency slide block 2 is driven to slide on the screw rods 1 so as to drive the phase shifter to move.

Concretely, power component drive the gear assembly work, thereby first gear 3 is driven to rotate the drive and is corresponded 1 rotations of screw rod, and 1 overcoat of screw rod is equipped with frequency conversion slider 2, and frequency conversion slider 2 is connected with moving the looks ware to the regulation moves the looks ware, and then has realized that a drive arrangement can adjust a plurality of phase positions of moving the looks ware on the antenna, and occupation space is little, does benefit to the miniaturization of multifrequency fusion antenna very much.

In an alternative embodiment, the power assembly comprises a first motor 7 and a second motor 8, and the gear assembly is arranged at the output end of the first motor 7, and at the same time, the gear assembly is also arranged at the output end of the second motor 8.

In an alternative embodiment, the gear assembly comprises a second gear 4, a third gear 5 and a fourth gear 6. The number of third gears 5 and the number of first gears 3 are the same.

The fourth gear 6 is arranged at the output end of the first motor 7, the first motor 7 drives the fourth gear 6 to rotate, the fourth gear 6 drives the third gear 5 with a corresponding gear to move to a working position, and the third gear 5, the first gear 3 and the second gear 4 are meshed simultaneously in the working position.

The second gear 4 is arranged at the output end of the second motor 8, the second motor 8 drives the second gear 4 to rotate, the second gear 4 drives the third gear 5 to rotate, and the third gear 5 drives the first gear 3 to rotate. The first gear 3 is indirectly driven to rotate by the second motor 8.

Further, the third gear 5 is disposed on the outer periphery of the second gear 4, and the first gear 3 is disposed on the outer periphery of the third gear 5. The first gear 3, the second gear 4 and the third gear 5 are distributed in sequence in a circumferential manner, so that the space required in the width direction can be reduced.

In an alternative embodiment, the drive means comprise a metal plate 9, the metal plate 9 acting as a base. The power assembly, the gear assembly and the screw 1 are all arranged on the metal plate 9.

In an alternative embodiment, the driving means includes a first mount 10 and a second mount 11, and the first mount 10 and the second mount 11 are disposed at a predetermined distance. The screw 1 is disposed on the first mounting seat 10 and the second mounting seat 11.

In an alternative embodiment, the driving device comprises a resistance block 12, and the resistance block 12 is sleeved on the screw rod 1. And friction force exists between the resistance block 12 and the screw rod 1, so that the screw rod 1 is dried and astringent, and the screw rod 1 is prevented from rotating.

Furthermore, a plurality of through holes are formed in the resistance block 12, and the screw rod 1 is arranged in the through holes.

The drive arrangement of this embodiment includes power component, gear assembly and a plurality of screw rod 1, and the gear assembly includes a plurality of first gears 3, and the cover is equipped with frequency conversion slider 2 on the screw rod 1, and frequency conversion slider 2 with move the looks ware and be connected to adjust and move the looks ware, and then a drive arrangement adjusts a plurality of phase positions of moving the looks ware, reduces the required space of installation.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A driving device for a phase shifter, characterized by comprising a power assembly, a gear assembly and a plurality of screws (1);

the screw rod (1) is movably sleeved with a variable-frequency sliding block (2), and the variable-frequency sliding block (2) is used for being connected with the phase shifter;

the power assembly is used for driving the gear assembly to work, the gear assembly comprises first gears (3) matched with the screw rods (1) in number, and the screw rods (1) are movably connected with the first gears (3);

the first gear (3) is driven to rotate so as to drive the corresponding screw (1) to rotate, and the variable-frequency slide block (2) is driven to slide on the screw (1) so as to drive the phase shifter to move.

2. The drive device for phase shifters according to claim 1, wherein said power assembly comprises a first motor (7) and a second motor (8), said gear assembly being arranged at the output of said first motor (7) and second motor (8).

3. The drive device for phase shifters according to claim 2, wherein said gear assembly comprises a second gear (4), a third gear (5) and a fourth gear (6), the number of said third gears (5) being the same as the number of said first gears (3);

the fourth gear (6) is arranged at the output end of the first motor (7), the first motor (7) is used for driving the fourth gear (6) to rotate so as to drive the third gear (5) of the corresponding gear to move to a working position, and the third gear (5) in the working position is meshed with the first gear (3) and the second gear (4) simultaneously;

the second gear (4) is arranged at the output end of the second motor (8), the second motor (8) is used for driving the second gear (4) to rotate, and the second gear (4) is used for driving the third gear (5) to rotate so as to drive the first gear (3) to rotate.

4. The driving apparatus for phase shifter as recited in claim 1, further comprising a metal plate (9), wherein the power assembly, the gear assembly and the screw (1) are all disposed on the metal plate (9).

5. The driving apparatus for a phase shifter according to claim 1, further comprising a first mount (10) and a second mount (11), the first mount (10) and the second mount (11) being disposed at a predetermined distance apart;

the screw (1) is arranged on the first mounting seat (10) and the second mounting seat (11).

6. The driving device for a phase shifter according to claim 1, further comprising a resistance block (12), wherein the resistance block (12) is fitted over the screw (1).

7. The driving device for phase shifter according to claim 6, wherein the resistance block (12) is provided with a plurality of through holes, and the screw (1) is disposed in the through holes.

8. The drive device for a phase shifter according to claim 3, wherein the third gear (5) is provided on an outer periphery of the second gear (4), and the first gear (3) is provided on an outer periphery of the third gear (5).