CN210535792U

CN210535792U - 4G combiner

Info

Publication number: CN210535792U
Application number: CN201922105368.5U
Authority: CN
Inventors: 林万般
Original assignee: Shenzhen Dexiong Technology Co Ltd
Current assignee: Shenzhen Dexiong Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-05-15
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a 4G combiner, including the box body, and install the circuit board that sets up at the inside level of box body to and install the three interface at the vertical end of box body, threaded connection has the bolt on the box body, and the bottom threaded connection of bolt has spacing piece, and the below elastic connection of spacing piece has the conducting strip, the equal swing joint of four corners in top of box body has spacing post. The utility model discloses in, the bolt is carried spacing piece downwards, when spacing between spacing piece and circuit board shrinks, the conducting strip is under conical spring's effect, and laminating between the circuit board is inseparabler, silicone grease effect through the conducting strip below, make the conducting strip can carry out better dredging to the heat on the circuit board, because the bolt temperature that is located the box body outside is lower, thereby the bolt is carried the heat to this section, thereby accomplish and carry to the inside temperature of box body, reduce the inside temperature of box body, it is simple convenient.

Description

4G combiner

Technical Field

The utility model relates to a combiner technical field especially relates to a 4G combiner.

Background

The combiner in the wireless mobile phone communication system mainly has the function of combining input multi-band signals together and outputting the signals to the same set of indoor distribution system. In engineering application, a C network of 800MHZ, a G network of 900MHz or other different frequencies need to be output simultaneously, and a combiner is adopted, so that a set of indoor distribution system can work in a CDMA frequency band, a GSM frequency band or other frequency bands simultaneously; for example, in a radio antenna system, after input and output signals of several different frequency bands (e.g. 145MHZ and 435MHZ) are combined by a combiner, a feeder is connected to a radio station, which not only saves one feeder, but also avoids the trouble of switching different antennas.

The existing 4G combiner still has defects in the using process; the existing combiner adopts a closed structure, so that the internal heat cannot be output to the outside, and the use is influenced due to overhigh internal heat in the long-time use process; and current combiner can't pile up and place, leads to two combiners of same position installation to occupy great area, and is not convenient enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the 4G combiner is provided for solving the problems that the heat in the existing combiner cannot be output to the outside, the interior is overheated and the combiner cannot be stacked.

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

the utility model provides a 4G combiner, includes the box body, and installs the circuit board that sets up at the inside level of box body to and install the three interface at the vertical end of box body, threaded connection has the bolt on the box body, and the bottom threaded connection of bolt has spacing piece to the below elastic connection of spacing piece has the conducting strip, four equal swing joint in corner in top of box body have spacing posts, and spacing post passes through elastic connection between extrusion spring and the box body.

As a further description of the above technical solution:

the lower part of the limiting piece is fixedly connected with a conical spring, and the bottom end of the conical spring is fixedly connected with the heat conducting piece.

As a further description of the above technical solution:

and silicone grease is arranged below the heat conducting fins and is attached to the circuit board.

As a further description of the above technical solution:

one side welding of spacing post has according to the piece, and runs through the outside that the box body extends to the box body according to the piece.

As a further description of the above technical solution:

limiting grooves are welded at four corners of the lower end face of the box body, and the limiting grooves and the limiting columns are arranged correspondingly.

As a further description of the above technical solution:

the overlooking surface of the limiting column is of a circular structure, and the lateral surface of the limiting column is of a T-shaped structure.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the bolt is carried spacing piece downwards, because the below fixedly connected with conical spring of spacing piece, and conical spring's below fixedly connected with conducting strip, when spacing between spacing piece and circuit board shrinks, the conducting strip is under conical spring's effect, and laminating between the circuit board is inseparabler, silicone grease effect through the conducting strip below, make the conducting strip can carry out better mediation to the heat on the circuit board, because the outside bolt temperature that is located the box body is lower, thereby the bolt is carried the heat to this section, thereby accomplish and carry to the inside temperature of box body, reduce the inside temperature of box body, it is simple convenient.

2. The utility model discloses in, place the top at first box body with the second box body, with horizontal one side spacing groove joint of second box body inboard at spacing post, push the box body of top to the below box body, push the piece according to the welding on two spacing posts simultaneously, after pushing to the biggest range, laminate each other between two box bodies, loosen and press the piece, under its inside extrusion spring action, spacing post slides in to the spacing groove, thereby accomplish the joint to the spacing groove, the joint to the spacing groove of four corners through four spacing posts, thereby accomplish the convenient installation to between two box bodies.

Drawings

Fig. 1 shows a top view provided in accordance with an embodiment of the present invention;

figure 2 shows a longitudinal section provided according to an embodiment of the invention;

fig. 3 shows an enlarged view of a point a provided according to an embodiment of the present invention;

fig. 4 shows a structure diagram of a buckle provided according to an embodiment of the present invention;

illustration of the drawings:

1. a box body; 2. an interface; 3. a bolt; 4. a limiting column; 5. according to blocks; 6. a limiting groove; 7. a compression spring; 8. a limiting sheet; 9. a conical spring; 10. a heat conductive sheet; 11. silicone grease; 12. a circuit board.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a 4G combiner, comprises a box body 1, and install the circuit board 12 that sets up at the inside level of box body 1, and install three interface 2 at the 1 vertical end of box body, two are located the homonymy in three interface 2, another is located the opposition side, threaded connection has bolt 3 on the box body 1, and bolt 3's bottom threaded connection has spacing piece 8, and the below elastic connection of spacing piece 8 has conducting strip 10, the equal swing joint in four corners in top of box body 1 has spacing post 4, and elastic connection between spacing post 4 through extrusion spring 7 and box body 1.

Specifically, as shown in fig. 2 and 3, a conical spring 9 is fixedly connected to the lower portion of the limiting plate 8, the bottom end of the conical spring 9 is welded to a heat conducting plate 10, the larger diameter side of the conical spring 9 is welded to the heat conducting plate 10, the heat conducting plate 10 is in a circular ring-shaped structure, the heat conducting plate 10 is in clearance fit with the bolt 3, silicone grease 11 is arranged below the heat conducting plate 10, and the silicone grease 11 is attached to a circuit board 12.

Specifically, as shown in fig. 2 and 4, the welding of one side of spacing post 4 has according to piece 5, and runs through the outside that box body 1 extended to box body 1 according to piece 5, spacing post 4 with according to forming between the piece 5 and look sideways at and personally submit L shape structure, four corners of the lower terminal surface of box body 1 all weld spacing groove 6, and spacing groove 6 corresponds the setting with spacing post 4, and spacing post 4 overlooks and personally submits circular structure, looks sideways at T shape structure.

The working principle is as follows: when the heat conduction type temperature-reducing box is used, the bolt 3 is in threaded connection with a threaded hole in the box body 1, the screwed bolt 3 is in threaded connection with the limiting piece 8, so that the limiting piece 8 is conveyed downwards, the conical spring 9 is fixedly connected below the limiting piece 8, the heat conduction piece 10 is fixedly connected below the conical spring 9, when the distance between the limiting piece 8 and the circuit board 12 is reduced, the heat conduction piece 10 is tightly attached to the circuit board 12 under the action of the conical spring 9, the heat conduction piece 10 can better dredge heat on the circuit board 12 under the action of the silicone grease 11 below the heat conduction piece 10, and the bolt 3 located outside the box body 1 is low in temperature, so that the bolt 3 conveys the heat to the section, the temperature conveying inside the box body 1 is completed, the temperature inside the box body 1 is reduced, and the heat conduction type temperature-reducing box is simple and convenient; when needs are installed two box bodies 1, carry out bolt fixed connection between box body 1 and the wall body with the below, place second box body 1 at first box body 1's top afterwards, with the level one side spacing groove 6 joint of second box body 1 at spacing post 4 inboardly, push box body 1 below box body 1 of top, push the piece 5 to welded on two spacing posts 4 simultaneously, push to the biggest range after, laminate each other between two box bodies 1, loosen and press piece 5, under its inside extrusion spring 7 effect, slide in spacing post 4 to spacing groove 6, thereby accomplish the joint to spacing groove 6 corner, through four spacing posts 4 to the joint of four spacing grooves 6, thereby accomplish the convenient installation between two box bodies 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a 4G combiner, includes box body (1), and installs circuit board (12) that sets up at the inside level of box body (1) to and install three interface (2) at the vertical end of box body (1), its characterized in that, threaded connection has bolt (3) on box body (1), and the bottom threaded connection of bolt (3) has spacing piece (8) to the below elastic connection of spacing piece (8) has conducting strip (10), the equal swing joint in four corners in top of box body (1) has spacing post (4), and elastic connection between spacing post (4) through extrusion spring (7) and box body (1).

2. The 4G combiner according to claim 1, wherein a conical spring (9) is fixedly connected below the limiting sheet (8), and a bottom end of the conical spring (9) is fixedly connected with the heat-conducting sheet (10).

3. The 4G combiner according to claim 2, wherein silicone grease (11) is disposed below the heat-conducting sheet (10), and the silicone grease (11) is attached to the circuit board (12).

4. The 4G combiner according to claim 1, wherein a pressing block (5) is welded to one side of the limiting column (4), and the pressing block (5) penetrates through the box body (1) and extends to the outer side of the box body (1).

5. The 4G combiner according to claim 1, wherein limiting grooves (6) are welded at four corners of the lower end surface of the box body (1), and the limiting grooves (6) are arranged corresponding to the limiting columns (4).

6. The 4G combiner according to claim 5, wherein the limiting column (4) is in a circular structure in a top view and in a T-shaped structure in a side view.