CN211208637U

CN211208637U - Cavity coupler

Info

Publication number: CN211208637U
Application number: CN201922408137.1U
Authority: CN
Inventors: 蔡旻; 郭丽凤
Original assignee: Guangdong Aixin Information Technology Co ltd
Current assignee: Guangdong Aixin Information Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-07
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a cavity coupler, including cavity, apron, first connector, second connector, third connector, transmission conductor, coupling conductor, resistance, the apron lid in the cavity top and with the cavity forms a holding cavity, the side top of cavity with correspond on the apron and seted up the bolt hole, the cavity with the apron passes through bolted connection, the transmission conductor the coupling conductor with resistance set up in inside the cavity. The utility model provides a pair of cavity coupler when the degree of coupling of cavity coupler needs to be adjusted, only needs to rotate the screw rod in the cavity outside, drives the slider and slides in the spout, increases or reduces the distance between transmission conductor and the coupling conductor, can realize the adjustment to the degree of coupling of cavity coupler, need not open the apron and readjust, has reduced operating personnel's intensity of labour, has improved production efficiency, has reduced manufacturing cost.

Description

Cavity coupler

Technical Field

The utility model relates to a mobile communication equipment technical field especially relates to a cavity coupler.

Background

In the field of wireless mobile communication, cavity couplers for transmitting and distributing communication signals are increasingly used.

The cavity coupler mainly generates resonance through a rectangular metal cavity with a specific depth so as to realize the optimal technical parameters. However, because the coupling degree of the cavity coupler is mainly determined by the distance between the transmission conductor and the coupling conductor, in the prior art, the gap between the transmission conductor and the coupling conductor is fixed, when the gap between the transmission conductor and the coupling conductor needs to be adjusted to adjust the coupling degree of the cavity coupler, the positions of the transmission conductor and the coupling conductor need to be set again, the operation is extremely troublesome, and the design requirement of the cavity coupler is not easy to achieve by the operation.

Therefore, there is a need to provide a cavity coupler to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model discloses a cavity coupler can effectively adjust the clearance between transmission conductor and the coupling conductor to adjust the degree of coupling of cavity coupler.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a cavity coupler, which comprises a cavity, a cover plate, a first connecting port, a second connecting port, a third connecting port, a transmission conductor, a coupling conductor and a resistor, wherein the cover plate covers the upper part of the cavity and forms a holding cavity with the cavity, bolt holes are correspondingly arranged on the top of the side surface of the cavity and the cover plate, the cavity and the cover plate are connected through bolts, the transmission conductor, the coupling conductor and the resistor are arranged in the cavity, the first connecting port and the second connecting port are respectively arranged on two opposite sides of the cavity, both ends of the transmission conductor are respectively connected with the first connecting port and the second connecting port, the third connecting port is arranged on the other side of the cavity, and both ends of the coupling conductor are respectively connected with the third connecting port and the resistor, also comprises a fixed adjusting mechanism arranged in the cavity, the fixed adjusting mechanism comprises a support rod, a connecting plate, a slide block, a slide groove, a limit groove, an insulating ball body and a screw rod, the fixed adjusting mechanism is positioned at the other side opposite to the side where the third connecting port is positioned, the support rod is arranged below the transmission conductor, one end of the support rod, far away from the transmission conductor, is provided with a slide block, a sliding groove is arranged on the inner bottom surface of the cavity corresponding to the sliding block, the connecting plate is arranged between the supporting rods, the limiting groove is fixedly connected with the connecting plate, the insulating ball is arranged in the limiting groove, one end of the screw rod is fixedly connected with the insulating ball body, a threaded hole is formed in one side face, corresponding to the third connecting port, of the cavity, and threads at the other end of the screw rod penetrate through the threaded hole and extend to the outside of the cavity.

Preferably, a groove is formed in one side, away from the third connecting port, of the bottom surface in the cavity, the length of the groove is longer than that of the connecting plate, and the groove is communicated with the sliding groove.

Preferably, the outer surface of the end part of the screw rod extending out of the cavity is provided with a rubber handle.

Preferably, the transmission device further comprises a fastening piece, wherein the fastening piece is connected with the support rod and the transmission conductor through screws.

Preferably, a sealing groove is formed in the top of the side face of the cavity, and a sealing strip is arranged inside the sealing groove.

Preferably, the first connection port is a radio frequency input connection port, the second connection port is a radio frequency output connection port, and the third connection port is a coupling connection port.

The utility model has the advantages that:

the utility model discloses a cavity coupler, the fixed adjustment mechanism who sets up includes the bracing piece, the connecting plate, the slider, the spout, the spacing groove, insulating spheroid, the screw rod, the bracing piece sets up in transmission conductor below, bracing piece and transmission conductor fasten through mounting plate and screw, the slider that the bracing piece was kept away from transmission conductor one end and is set up can slide in the spout of seting up on the bottom surface of cavity inside, the spacing groove is fixed on the connecting plate that sets up between the bracing piece, insulating spheroid sets up in the spacing groove, screw rod one end and insulating spheroid fixed connection, screw rod other end screw thread passes the screw hole of seting up on the cavity side, when needing to adjust the degree of coupling of cavity coupler, only need to rotate the screw rod outside the cavity, drive the slider to slide in the spout, increase or reduce the distance between transmission conductor and the coupling conductor, can realize the adjustment to the degree of coupling, the cover plate does not need to be opened for readjustment, the labor intensity of operators is reduced, the production efficiency is improved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic diagram of a cavity internal structure of a cavity coupler according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a cover plate structure of a cavity coupler according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a cavity cross-sectional structure of a cavity coupler according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a cavity front view structure of a cavity coupler according to an embodiment of the present invention.

In the figure:

1. a cavity; 2. a cover plate; 3. a first connection port; 4. a second connection port; 5. a third connection port; 6. a transmission conductor; 7. a coupling conductor; 8. a resistance; 9. bolt holes; 10. fixing the adjusting mechanism; 11. a support bar; 12. a connecting plate; 13. a slider; 14. a chute; 15. a limiting groove; 16. an insulating sphere; 17. a screw; 18. a threaded hole; 19. a groove; 20. a rubber handle; 21. a fastening tab; 22. a sealing groove; 23. a sealing strip.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-4, a cavity coupler provided in the embodiments of the present invention includes a cavity 1, a cover plate 2, a first connection port 3, a second connection port 4, a third connection port 5, a transmission conductor 6, a coupling conductor 7, and a resistor 8, wherein the cover plate 2 covers the cavity 1 and forms a holding cavity with the cavity 1, bolt holes 9 are correspondingly formed on the top of the side surface of the cavity 1 and the cover plate 2, the cavity 1 and the cover plate 2 are connected by bolts, the transmission conductor 6, the coupling conductor 7, and the resistor 8 are disposed inside the cavity 1, the first connection port 3 and the second connection port 4 are respectively disposed on two opposite sides of the cavity 1, and two ends of the transmission conductor 6 are respectively connected with the first connection port 3 and the second connection port 4, the third connection port 5 is disposed on the other side of the cavity 1, and two ends of the coupling conductor 7 are respectively connected with the third connection port 5 and the resistor, the device also comprises a fixed adjusting mechanism 10 arranged in the cavity 1, the fixed adjusting mechanism 10 comprises a supporting rod 11, a connecting plate 12, a sliding block 13, a sliding groove 14, a limiting groove 15, an insulating ball 16 and a screw 17, the fixed adjusting mechanism 10 is arranged at the other side opposite to the side where the third connecting port 5 is arranged, the supporting rod 11 is arranged below the transmission conductor 6, the sliding block 13 is arranged at one end of the supporting rod 11 far away from the transmission conductor 6, a sliding groove 14 is formed in the bottom surface inside the cavity 1 and corresponds to the sliding block 13, a connecting plate 12 is arranged between the supporting rods 11, a limiting groove 15 is fixedly connected with the connecting plate 12, an insulating ball 16 is arranged inside the limiting groove 15, one end of a screw 17 is fixedly connected with the insulating ball 16, a threaded hole 18 is formed in one side surface of the cavity 1 corresponding to the third connecting port 5, and the other end of the screw 17 penetrates through the threaded hole 18 and extends to the outside of the cavity 1;

a groove 19 is formed in the bottom surface of the cavity 1 far away from the third connecting port 5, the length of the groove 19 is longer than that of the connecting plate 12, and the groove 19 is communicated with the sliding groove 14;

the outer surface of the end part of the screw rod 17 extending out of the cavity 1 is provided with a rubber handle 20;

the fixing device also comprises a fastening piece 21, wherein the fastening piece 21 is connected with the support rod 11 and the transmission conductor 6 through screws;

the top of the side surface of the cavity 1 is provided with a sealing groove 22, and a sealing strip 23 is arranged inside the sealing groove 22;

the first connector 3 is a radio frequency input connector, the second connector 4 is a radio frequency output connector, and the third connector 5 is a coupling connector.

In the above implementation, specifically, fig. 1 is a schematic diagram of a cavity internal structure of a cavity coupler according to an embodiment of the present invention; fig. 2 is a schematic diagram of a cover plate structure of a cavity coupler according to an embodiment of the present invention; fig. 3 is a schematic diagram of a cavity cross-sectional structure of a cavity coupler according to an embodiment of the present invention; fig. 4 is a schematic diagram of a cavity front view structure of a cavity coupler according to an embodiment of the present invention; as shown in fig. 1-4, the supporting rod 11 is disposed below the transmission conductor 6, the supporting rod 11 and the transmission conductor 6 are fastened by the fastening plate 21 and the screw, the sliding block 13 disposed at one end of the supporting rod 11 away from the transmission conductor 6 can slide in the sliding slot 14 disposed on the bottom surface inside the cavity 1, the limiting slot 15 is fixed on the connecting plate 12 disposed between the supporting rods 11, the insulating ball 16 is disposed inside the limiting slot 15, one end of the screw 17 is fixedly connected with the insulating ball 16, the other end of the screw 17 is threaded through the threaded hole 18 disposed on the side surface of the cavity 1, when the coupling degree of the cavity coupler needs to be adjusted, the screw 17 is rotated only outside the cavity 1 to drive the sliding block 13 to slide in the sliding slot 14, the distance between the transmission conductor 6 and the coupling conductor 7 is increased or reduced, the coupling degree of the cavity coupler can be adjusted, the cover plate 2 does not need to be opened for readjustment, the labor intensity of operators is reduced, the production efficiency is improved, and the production cost is reduced.

Furthermore, a groove 19 is formed in one side, far away from the third connector 5, of the bottom surface in the cavity 1, the length of the groove 19 is longer than that of the connecting plate 12, the groove 19 is communicated with the sliding groove 14, the groove 19 is formed, the fixing and adjusting mechanism 10 is convenient to mount, and the design structure is simple and reasonable.

Further, the outer surface of the end part of the screw 17 extending out of the cavity 1 is provided with a rubber handle 20, and the rubber handle 20 has an insulating effect and can increase the contact area and the friction force between the screw and an operator, so that the screw 17 can be conveniently adjusted.

Further, the fixing device also comprises a fixing plate 21, the fixing plate 21 is connected with the supporting rod 11 and the transmission conductor 6 through screws, and the fixing plate 21 is arranged to ensure that the supporting rod 11 and the transmission conductor 6 are firmly connected and fixed.

Further, seal groove 22 has been seted up at the side top of cavity 1, seal groove 22 is inside to be provided with sealing strip 23, sets up sealing strip 23 is right cavity 1 with the cavity that apron 2 formed plays sealed effect, reduces and prevents inside the steam in the air gets into the cavity coupler, increases its life.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a cavity coupler, includes cavity (1), apron (2), first connector (3), second connector (4), third connector (5), transmission conductor (6), coupling conductor (7), resistance (8), apron (2) lid in cavity (1) top and with cavity (1) forms a holding cavity, the side top of cavity (1) with bolt hole (9) have been seted up to corresponding on apron (2), cavity (1) with apron (2) are through bolted connection, transmission conductor (6) coupling conductor (7) with resistance (8) set up in inside cavity (1), first connector (3) with second connector (4) set up respectively in the both sides that cavity (1) is relative, just the both ends of transmission conductor (6) respectively with first connector (3), The second connecting port (4) is connected, the third connecting port (5) is arranged on the other side of the cavity (1), and the two ends of the coupling conductor (7) are respectively connected with the third connecting port (5) and the resistor (8), and the coupling structure is characterized in that: the device is characterized by further comprising a fixed adjusting mechanism (10) arranged inside the cavity (1), wherein the fixed adjusting mechanism (10) comprises a supporting rod (11), a connecting plate (12), a sliding block (13), a sliding groove (14), a limiting groove (15), an insulating sphere (16) and a screw rod (17), the fixed adjusting mechanism (10) is positioned on the other side opposite to one side where the third connecting port (5) is positioned, the supporting rod (11) is arranged below the transmission conductor (6), the sliding block (13) is arranged at one end, away from the transmission conductor (6), of the supporting rod (11), the sliding groove (14) is formed in the bottom surface inside the cavity (1) and corresponds to the sliding block (13), the connecting plate (12) is arranged between the supporting rods (11), the limiting groove (15) is fixedly connected with the connecting plate (12), and the insulating sphere (16) is arranged inside the limiting groove (15), one end of the screw rod (17) is fixedly connected with the insulating ball body (16), a threaded hole (18) is formed in one side surface, corresponding to the third connecting port (5), of the cavity (1), and threads at the other end of the screw rod (17) penetrate through the threaded hole (18) and extend to the outside of the cavity (1).

2. The cavity coupler of claim 1, wherein: a groove (19) is formed in one side, away from the third connecting port (5), of the bottom surface in the cavity (1), the length of the groove (19) is longer than that of the connecting plate (12), and the groove (19) is communicated with the sliding groove (14).

3. The cavity coupler of claim 1, wherein: the outer surface of the end part of the screw rod (17) extending out of the cavity (1) is provided with a rubber handle (20).

4. The cavity coupler of claim 1, wherein: the transmission device also comprises a fastening piece (21), wherein the fastening piece (21) is connected with the support rod (11) and the transmission conductor (6) through screws.

5. The cavity coupler of claim 1, wherein: a sealing groove (22) is formed in the top of the side face of the cavity (1), and a sealing strip (23) is arranged inside the sealing groove (22).

6. The cavity coupler of claim 1, wherein: the first connecting port (3) is a radio frequency input connecting port, the second connecting port (4) is a radio frequency output connecting port, and the third connecting port (5) is a coupling connecting port.