CN210074121U

CN210074121U - Double-sided cavity tap connecting structure

Info

Publication number: CN210074121U
Application number: CN201921228747.7U
Authority: CN
Inventors: 肖爽
Original assignee: Kunshan Luxshare RF Technology Co Ltd
Current assignee: Kunshan Luxshare RF Technology Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-02-14
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a two-sided chamber connection structure of taking a percentage, its includes metal casing, coaxial connector, two take a percentage connecting piece, connecting seat and two tap pieces, metal casing includes first cavity, second cavity, is located first cavity with intermediate wall between the second cavity and center on first cavity the second cavity with the lateral wall of intermediate wall, be equipped with on the intermediate wall and be located first cavity resonance post in the second cavity, the connecting seat is connected two take a percentage the connecting piece, coaxial connector include with the inner conductor that the connecting seat is connected, the tap piece is located first cavity in the second cavity, the both ends of tap piece with take a percentage the connecting piece reaches resonance post threaded connection, even also convenient assembly in narrow and small space, the connection effect is reliable and stable, improves the quality of product.

Description

Double-sided cavity tap connecting structure

Technical Field

The utility model relates to a wave filter technical field especially relates to a two-sided chamber connection structure of taking a percentage.

Background

At present, a cavity filter is widely applied to the field of communication as a frequency selection device, in particular to the field of radio frequency communication. In a communication base station, a filter is used to select a communication signal and filter out spurious or interference signals outside the frequency of the communication signal. In the current double-sided chamber connection structure of taking a percentage, two take out the one end of first piece and pass through the fix with screw and correspond the resonance post on, another looks remote site and take a percentage connecting rod end welded fastening take a percentage the connecting rod middle part and coaxial connector's inner conductor welding, take a percentage the piece with take a percentage the connecting rod, take a percentage the connecting rod and coaxial connector welding time, it is narrow and small to have the space, the visibility is poor, the welding degree of difficulty is high, there are defects such as rosin joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient two-sided chamber of assembly connection structure of taking a percentage.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a two-sided chamber connection structure of taking a percentage, its includes metal casing, coaxial connector, two take a percentage connecting piece, connecting seat and two tap pieces, metal casing includes first cavity, second cavity, is located first cavity with intermediate wall between the second cavity and center on first cavity the second cavity with the lateral wall of intermediate wall, be equipped with on the intermediate wall and be located first cavity the internal resonance post of second cavity, the connecting seat is connected two take a percentage between the connecting piece, coaxial connector is fixed in the lateral wall lateral surface, coaxial connector include with the inner conductor that the connecting seat is connected, the tap piece is located first cavity in the second cavity, the both ends of tap piece with take a percentage connecting piece and resonance post threaded connection.

As a further improved technical scheme of the utility model, the connecting seat with inner conductor threaded connection.

As a further improved technical solution of the present invention, the tapping piece and the tapping connecting piece or/and the resonance column are fixedly connected by screws.

As a further improved technical scheme of the utility model, the piece of taking a percentage is equipped with the fixed orifices that supplies the screw to pass, the resonance post be equipped with the first locking hole of screw locking.

As a further improved technical scheme of the utility model, the piece of taking a percentage is equipped with the fixed orifices that supplies the screw to pass, take a percentage the connecting piece be equipped with the second locking hole of screw locking.

As a further improved technical scheme of the utility model, take a percentage the connecting piece with connecting seat threaded connection.

As a further improved technical scheme of the utility model, the connecting piece of taking a percentage is equipped with the portion of inserting, the relative both ends of connecting seat are equipped with the confession the portion of inserting inserts fixed jack.

As a further improved technical scheme of the utility model, take a percentage the connecting piece with connecting seat body coupling.

As a further improved technical scheme of the utility model, the inner conductor is equipped with third locking hole, connecting seat one side be equipped with insert lock in the inner conductor locking head in the third locking hole.

As a modified technical scheme of the utility model, the lateral wall is equipped with T shape through-hole, the through-hole includes first opening, second opening and third opening, first opening is located the lateral wall lateral surface, the second opening is located first cavity, the third opening is located the second cavity, the inner conductor via first opening gets into the through-hole, take a percentage the connecting piece stretch out the second opening the third opening with correspond the piece of taking a percentage is connected.

Compared with the prior art, the utility model discloses two-sided chamber takes a tap connection structure take a tap the both ends of piece with take a tap connecting piece and resonance post threaded connection, so design, even this two-sided chamber takes a tap connection structure also makes things convenient for the assembly in narrow and small space, and the linkage effect is reliable and stable, improves the quality of product.

Drawings

Fig. 1 is a schematic perspective view of the double-sided cavity tap connection structure of the present invention.

Fig. 2 is a schematic perspective view of the double-sided cavity tap connection structure of the present invention, without showing the metal housing.

Fig. 3 is a three-dimensional decomposition of the double-sided cavity tap connection structure of the present invention.

Fig. 4 is a sectional view of the metal shell of the double-sided cavity tap connection structure of the present invention.

Detailed Description

Referring to fig. 1 to 4, the present invention discloses a double-sided cavity tap connection structure 100, which includes a metal housing 10, a coaxial connector 20, two tap connectors 30, a connection seat 40, two tap pieces 50, and a plurality of screws 60.

The metal shell 10 includes a first cavity 11, a second cavity 12, a middle wall 13 located between the first cavity 11 and the second cavity 12, and an annular sidewall 14 surrounding the first cavity 11, the second cavity 12, and the middle wall 13, wherein the middle wall 13 is connected to the sidewall 14. The middle wall 13 is provided with a resonant column 130 located in the first cavity 11 and the second cavity 12, and the end of the resonant column 130 is provided with a first locking hole 132. The sidewall 14 is provided with a T-shaped through hole 140, the through hole 140 includes a first opening 141, a second opening 142 and a third opening 143, the first opening 141 is located on the outer side of the sidewall 14, the second opening 142 is located in the first cavity 11, and the third opening 143 is located in the second cavity 12. The outer side of the sidewall 14 is further provided with a plurality of fourth locking holes 144 surrounding the first opening 141.

The outer edge of the coaxial connector 20 is locked with the fourth locking hole 144 on the side wall 14 of the metal shell 10 by a plurality of screws 60, so that the coaxial connector 20 is fixed on the outer side surface of the metal shell 10. The coaxial connector 20 is provided with an inner conductor 22 inside, the inner conductor 22 enters the through hole 140 through the first opening 141, and a third locking hole (not shown) is also provided at the end of the inner conductor 22.

The connecting holder 40 is connected between the two tap connecting members 30, the tap connecting members 30 are provided in a circular rod shape, one end of the tap connecting member 30 is provided with an insertion portion 31, the other opposite end thereof partially protrudes through the through-hole 140 of the metal housing 10, and is provided with a second locking hole 32. The connecting base 40 is located in the through hole 140, the opposite ends of the connecting base 40 are respectively provided with an insertion hole 41, the side surface is protruded with a locking head 42 toward the coaxial connector 20, the insertion parts 31 of the two tapping connecting pieces 30 are inserted and fixed in the insertion holes 41 of the connecting base 40, and the fixed connection of the tapping connecting pieces 30 and the connecting base 40 is realized. Locking head 42 is lockingly secured within the third locking bore of inner conductor 22 of coaxial connector 20. In other forms, the tap connector 30 is provided as a unitary structure with the coupling socket 40.

The two tap pieces 50 are arranged in a sheet structure, and both ends of the two tap pieces are respectively provided with a fixing hole 52, wherein one end of the two tap pieces is fixedly connected with the resonance column 130 through a screw 60, and the other end of the two tap pieces is fixedly connected with the plug connecting piece 30 through a screw 60. One of the tap pieces 50 is located in the first cavity 11, and the other tap piece 50 is located in the second cavity 12.

The utility model discloses the double-sided chamber takes a percentage connection structure 100 has cancelled the welding, coaxial connector 20 and connecting seat 40 threaded connection, take a percentage connecting piece 30 and take a percentage 50 threaded connection of piece, even this double-sided chamber takes a percentage connection structure also convenient assembling in narrow and small space, and the linkage effect is reliable and stable, improves the quality of product.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A double-cavity tap connecting structure (100) comprises a metal shell (10), a coaxial connector (20), two tap connecting pieces (30), a connecting seat (40) and two tap pieces (50), wherein the metal shell (10) comprises a first cavity (11), a second cavity (12), a middle wall (13) positioned between the first cavity (11) and the second cavity (12) and a side wall (14) surrounding the first cavity (11), the second cavity (12) and the middle wall (13), a resonant column (130) positioned in the first cavity (11) and the second cavity (12) is arranged on the middle wall (13), the connecting seat (40) is connected with the two tap connecting pieces (30), the coaxial connector (20) is fixed on the outer side surface of the side wall (14), the coaxial connector (20) comprises an inner conductor (22) connected with the connecting seat (40), the tap piece (50) is positioned in the first cavity (11) and the second cavity (12), and is characterized in that: and two ends of the tapping piece (50) are in threaded connection with the tapping connecting piece (30) and the resonance column (130).

2. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the connecting seat (40) is in threaded connection with the inner conductor (22).

3. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the tap piece (50) is fixedly connected with the tap connecting piece (30) or/and the resonance column (130) through a screw (60).

4. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the tap piece (50) is provided with a fixing hole (52) for a screw (60) to pass through, and the resonance column (130) is provided with a first locking hole (132) locked with the screw (60).

5. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the tap piece (50) is provided with a fixing hole (52) for a screw (60) to pass through, and the tap connecting piece (30) is provided with a second locking hole (32) locked with the screw (60).

6. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the tapping connecting piece (30) is in threaded connection with the connecting seat (40).

7. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the tapping connecting piece (30) is provided with an inserting part (31), and the two opposite ends of the connecting seat (40) are respectively provided with an inserting hole (41) for the inserting part (31) to be inserted and fixed.

8. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the tapping connecting piece (30) is integrally connected with the connecting seat (40).

9. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the inner conductor (22) is provided with a third locking hole, and one side of the connecting seat (40) is provided with a locking head (42) which is inserted and locked in the third locking hole of the inner conductor (22).

10. A double-sided cavity tap connection structure (100) according to claim 1, wherein: the side wall (14) is provided with a T-shaped through hole (140), the through hole (140) comprises a first opening (141), a second opening (142) and a third opening (143), the first opening (141) is located on the outer side face of the side wall (14), the second opening (142) is located in the first cavity (11), the third opening (143) is located in the second cavity (12), the inner conductor (22) enters the through hole (140) through the first opening (141), and the tap connecting piece (30) extends out of the second opening (142) and the third opening (143) and corresponds to the tap piece (50) to be connected.