CN212991281U

CN212991281U - Cavity bridge with accurate and stable positioning

Info

Publication number: CN212991281U
Application number: CN202022575587.2U
Authority: CN
Inventors: 阎嫦玲; 张贝贝; 谷锴
Original assignee: Nanjing Zhijie Communication Technology Co ltd
Current assignee: Nanjing Zhijie Communication Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-04-16
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a cavity electric bridge of accurate stable of location belongs to wireless communication field technical field, this cavity electric bridge of accurate stable of location, including conductor one, the top of insulating medium and the bottom fixed connection of conductor one, the bottom swing joint of conductor one has conductor two, the draw-in groove has been seted up at the top of conductor two, the inner wall of draw-in groove and insulating medium's outer wall joint, spacing hole one has been seted up to conductor one's outer wall, the inner wall swing joint of spacing hole one has fixing device, spacing hole two has been seted up to conductor two's outer wall, the inner wall of spacing hole two and fixing device's outer wall swing joint, fixing device's inside includes the insulating post, the outer wall of insulating post and the inner wall swing joint of spacing hole one. The first conductor and the second conductor are fixed conveniently through the insulating medium and the clamping groove, installation is convenient, the first conductor and the second conductor are accurately fixed through the fixing device, and the cavity bridge is prevented from being unstable in use.

Description

Cavity bridge with accurate and stable positioning

Technical Field

The utility model belongs to the technical field of wireless communication, concretely relates to cavity electric bridge of accurate stability in location.

Background

With the rapid development of communication technology, the cavity bridge is widely applied to communication systems. The 3dB bridge is a special coupler with a physical port split into two in and two out. The ratio of the through end to the coupling end is 1:1, so the power difference between the input end and the coupling end is 3 dB. The signal combiner is commonly used for combining signals of a base station, is equivalent to a combiner with two power dividers in effect, has an ultra-wide frequency band, can cover the frequency range of 800-2500MHz, and has the advantages of low intermodulation, strong anti-interference performance, strong durability, easiness in installation and the like.

The traditional cavity bridge usually adopts a cuboid dielectric insulating strip to fix an inner conductor or needs to be tuned through a tuning screw, or uses a medium to fix the relative spacing position of two relative inner conductors by punching in the inner conductors, so that the conductors are not easy to be accurately fixed in the plane direction of the cavity, the instability of the cavity bridge is improved, the structure is complex, the installation is inconvenient, and the production efficiency is low. To this end, we propose a cavity bridge with precise and stable positioning to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the weak point of prior art, the utility model provides a cavity electric bridge that the location is accurate stable, in order to solve and to propose the accurate stable cavity electric bridge in location that has now in the above-mentioned background art in the use, because adopt cuboid dielectric insulation strip to fix or need tune through the tuning screw the inner conductor, or through punching in the inner conductor, use the relative interval position of two relative inner conductors of dielectric fixation, thereby make the conductor be difficult to carry out accurate fixing in cavity plane direction, the instability of cavity electric bridge has been improved, the structure is complicated, the installation is inconvenient, the lower problem of production efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cavity electric bridge that location is accurate stable, includes conductor one, the bottom of conductor one is provided with insulating medium, insulating medium's top and the bottom fixed connection of conductor one, the bottom swing joint of conductor one has conductor two, the draw-in groove has been seted up at the top of conductor two, the inner wall of draw-in groove and insulating medium's outer wall joint, spacing hole one has been seted up to the outer wall of conductor one, the inner wall swing joint of spacing hole one has fixing device, spacing hole two has been seted up to the outer wall of conductor two, the inner wall of spacing hole two and fixing device's outer wall swing joint.

Preferably, fixing device's inside includes the insulated column, the outer wall of insulated column and the inner wall swing joint in spacing hole one, the top fixedly connected with spliced pole of insulated column, the one end fixedly connected with apron of insulated column is kept away from to the spliced pole.

Preferably, the outer wall swing joint of insulating post has the spacing ring, the bottom of insulating post is provided with the connecting cylinder, the joint hole has been seted up at the top of connecting cylinder, the inner wall in joint hole and the bottom joint of insulating post.

Preferably, the bottom of connecting cylinder is provided with the fixed column, the one end of fixed column and the bottom fixed connection of connecting cylinder, the other end fixed mounting of fixed column has the cavity.

Preferably, the top of cavity has been seted up the capillary groove, the bottom fixed mounting of capillary groove has the sealing washer, the inside of capillary groove is provided with the latch, the outer wall of latch and the inner wall joint of capillary groove.

Preferably, one end of the first conductor is fixedly connected with a first connector, the other end of the first conductor is fixedly provided with a third connector, one end of the second conductor is fixedly connected with a second connector, and the other end of the second conductor is provided with a fourth connector.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first conductor and the second conductor are connected through the insulating medium, the clamping groove is convenient for the insulating medium to be installed on the second conductor, the relative positions of the first conductor and the second conductor are easily fixed, the installation is convenient, the production efficiency is improved, the first conductor and the second conductor are accurately fixed by using the fixing device, the first conductor and the second conductor are prevented from being unstable on a cavity plane, and the use stability of the cavity bridge is improved.

2. Inside can avoiding liquid to get into this device from the gap between apron and the cavity through the capillary groove, influence the performance of electric bridge, the sealing washer has improved the leakproofness of this device, and effective separation external impurity dust further avoids external steam dust to get into the cavity, corrodes the conductor.

Drawings

FIG. 1 is a schematic view of the internal structure of the cavity of the present invention;

FIG. 2 is a side internal view of the present invention;

fig. 3 is a schematic perspective view of the fixing device of the present invention;

fig. 4 is a schematic view of a conductor structure according to the present invention;

fig. 5 is a schematic structural diagram of a second conductor of the present invention.

In the figure: 1. a first conductor; 2. an insulating medium; 3. a second conductor; 4. a card slot; 5. a first limiting hole; 6. a second limiting hole; 7. a fixing device; 701. connecting columns; 702. an insulating column; 703. a limiting ring; 704. a connecting cylinder; 705. a clamping hole; 706. fixing a column; 8. a cavity; 9. a waterproof groove; 10. a seal ring; 11. clamping teeth; 12. a cover plate; 13. a first connector; 14. a second connector; 15. a third connector; 16. and a fourth connector.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a cavity electric bridge that location is accurate stable, including conductor 1, the bottom of conductor 1 is provided with insulating medium 2, insulating medium 2's top and conductor 1's bottom fixed connection, the bottom swing joint of conductor 1 has conductor two 3, draw-in groove 4 has been seted up at the top of conductor two 3, the inner wall of draw-in groove 4 and insulating medium 2's outer wall joint, spacing hole one 5 has been seted up to conductor 1's outer wall, the inner wall swing joint of spacing hole one 5 has fixing device 7, spacing hole two 6 has been seted up to conductor two 3's outer wall, the inner wall of spacing hole two 6 and fixing device 7's outer wall swing joint.

In this embodiment, the first conductor 1 and the second conductor 3 are connected through the insulating medium 2, the clamping groove 4 is convenient for installing the insulating medium 2 on the second conductor 3, and the first conductor 1 and the second conductor 3 are accurately fixed by using the fixing device 7, so that the first conductor 1 and the second conductor 3 are prevented from being unstable on the plane of the cavity 8, and the use stability of the bridge is improved.

Specifically, fixing device 7's inside includes insulating column 702, the outer wall of insulating column 702 and the inner wall swing joint in spacing hole 5, the top fixedly connected with spliced pole 701 of insulating column 702, and the one end fixedly connected with apron 12 that insulating column 702 was kept away from to spliced pole 701.

In this embodiment, the insulating column 702 connects the first conductor 1 and the second conductor 3, and the cover plate 12 functions to protect the internal devices.

Specifically, the outer wall swing joint of insulating column 702 has spacing ring 703, and the bottom of insulating column 702 is provided with connecting cylinder 704, and joint hole 705 has been seted up at the top of connecting cylinder 704, and the inner wall in joint hole 705 and the bottom joint of insulating column 702.

In this embodiment, the first conductor 1 and the second conductor 3 are compressed and fixed by the limiting ring 703, and the connecting cylinder 704 and the clamping hole 705 improve the stability of the insulating column 702 during use.

Specifically, the bottom of the connecting cylinder 704 is provided with a fixing column 706, one end of the fixing column 706 is fixedly connected with the bottom of the connecting cylinder 704, and the other end of the fixing column 706 is fixedly provided with a cavity 8.

In this embodiment, the fixed post 706 supports the insulating post 702 and connects the connecting cylinder 704 to the chamber 8.

Specifically, a waterproof groove 9 is formed in the top of the cavity 8, a sealing ring 10 is fixedly mounted at the bottom of the waterproof groove 9, a latch 11 is arranged inside the waterproof groove 9, and the outer wall of the latch 11 is connected with the inner wall of the waterproof groove 9 in a clamped mode.

In this embodiment, inside waterproof groove 9 can avoid liquid to get into this device from the gap between apron 12 and the cavity 8, sealing washer 10 has improved the leakproofness of this device, effective separation external impurity dust.

Specifically, one end of the first conductor 1 is fixedly connected with a first connector 13, the other end of the first conductor 1 is fixedly provided with a third connector 15, one end of the second conductor 3 is fixedly connected with a second connector 14, and the other end of the second conductor 3 is provided with a fourth connector 16.

In this embodiment, the first connector 13, the second connector 14, the third connector 15, and the fourth connector 16 are used for inputting or outputting signals.

The utility model discloses a theory of operation and use flow: connect conductor 1 and conductor two 3 through insulating medium 2, draw-in groove 4 is convenient for install insulating medium 2 on conductor two 3, use fixing device 7 to fix conductor 1 and conductor two 3, insulating column 702 connects conductor 1 and conductor two 3, spacing ring 703 compresses tightly conductor 1 and conductor two 3 fixedly, connecting cylinder 704 and joint hole 705 improve the stability when insulating column 702 uses, inside the slot for waterproofing 9 can avoid liquid to get into this device from the gap between apron 12 and the cavity 8, sealing washer 10 has improved the leakproofness of this device, external impurity dust of effective separation, connector one 13, connector two 14, connector three 15 and connector four 16 are used for input or output signal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cavity bridge with accurate and stable positioning comprises a first conductor (1) and is characterized in that: the bottom of conductor (1) is provided with insulating medium (2), the bottom fixed connection of the top of insulating medium (2) and conductor (1), the bottom swing joint of conductor (1) has conductor two (3), draw-in groove (4) have been seted up at the top of conductor two (3), the inner wall of draw-in groove (4) and the outer wall joint of insulating medium (2), spacing hole one (5) have been seted up to the outer wall of conductor one (1), the inner wall swing joint of spacing hole one (5) has fixing device (7), spacing hole two (6) have been seted up to the outer wall of conductor two (3), the inner wall of spacing hole two (6) and the outer wall swing joint of fixing device (7).

2. The cavity bridge of claim 1, wherein: the inside of fixing device (7) includes insulating column (702), the outer wall of insulating column (702) and the inner wall swing joint in spacing hole (5), the top fixedly connected with spliced pole (701) of insulating column (702), one end fixedly connected with apron (12) of insulating column (702) are kept away from in spliced pole (701).

3. The cavity bridge of claim 2, wherein: the outer wall swing joint of insulating cylinder (702) has spacing ring (703), the bottom of insulating cylinder (702) is provided with connecting cylinder (704), joint hole (705) have been seted up at the top of connecting cylinder (704), the inner wall in joint hole (705) and the bottom joint of insulating cylinder (702).

4. The cavity bridge of claim 3, wherein: the bottom of connecting cylinder (704) is provided with fixed column (706), the one end of fixed column (706) and the bottom fixed connection of connecting cylinder (704), the other end fixed mounting of fixed column (706) has cavity (8).

5. The cavity bridge of claim 4, wherein: waterproof groove (9) have been seted up at the top of cavity (8), the bottom fixed mounting of waterproof groove (9) has sealing washer (10), the inside of waterproof groove (9) is provided with latch (11), the outer wall of latch (11) and the inner wall joint of waterproof groove (9).

6. The cavity bridge of claim 1, wherein: the one end fixedly connected with connector (13) of conductor (1), the other end fixed mounting of conductor (1) has connector three (15), the one end fixedly connected with connector two (14) of conductor two (3), connector four (16) are installed to the other end of conductor two (3).