CN212485726U

CN212485726U - Millimeter wave coaxial adapter

Info

Publication number: CN212485726U
Application number: CN202021681926.9U
Authority: CN
Inventors: 侯锦秋; 冯浩; 李凯
Original assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Current assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-02-05
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a coaxial adapter of millimeter wave, this adapter include shell body, coupling mechanism, procapsid, jump ring, hexagonal coupling nut, the shell body sets up with the procapsid is coaxial relatively, and the terminal surface contacts with the procapsid before the shell body axial through mounting has coupling mechanism in shell body and the procapsid. The utility model discloses a millimeter wave adapter is for dividing the body structure, on the basis of realizing microwave transmission performance, the processing of being convenient for, easily assembly.

Description

Millimeter wave coaxial adapter

Technical Field

The utility model belongs to the technical field of relate to microwave electronic equipment interconnection, concretely relates to coaxial adapter of millimeter wave.

Background

With the continuous development of microwave technology, especially the development of military electronic equipment, the use frequency of electronic equipment is increasing, and various components are forced to develop towards the direction of millimeter waves. The radio frequency coaxial adapter has the characteristics of small coaxial element size, compatibility with low frequency, light weight, low cost and the like, is favorable for miniaturization and weight reduction of military equipment, and is widely applied to the millimeter wave range.

A coaxial adapter is a commonly used microwave component, and is one of the most basic components for interconnecting microwave electronic devices. However, the requirement on the machining precision of the millimeter wave coaxial adapter part is extremely high, the structural design of the existing adapter is integrated, and particularly, the millimeter wave adapter with a small inner hole and a long axial dimension has great machining difficulty and is not easy to assemble.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the present invention provides a millimeter wave coaxial adapter with a split structure, which is easy to process and assemble.

In order to achieve the above object, the utility model adopts the following technical scheme: a millimeter wave coaxial adapter comprises an outer shell, a connecting mechanism, a front shell, a clamp spring, a hexagonal connecting nut and a connecting nut, wherein the outer shell and the front shell are coaxially and oppositely arranged, the front end face of the outer shell is contacted with the tail end face of the front shell, the outer shell and the front shell are axially provided with the connecting mechanism in a penetrating way, the connecting mechanism comprises a first copper ring, a second copper ring, a gasket, an insulator and a switching contact pin, the insulator is embedded in a groove of the switching contact pin, the gasket is arranged on the periphery of the insulator, the first copper ring and the second copper ring are respectively symmetrically and coaxially sleeved on the periphery of the switching contact pin and positioned on the left side and the right side of the gasket, the first copper ring is arranged inside the front end of the outer shell, the second copper ring is arranged inside the tail end of the front shell, the connecting nut is arranged on the periphery of the, therefore, the first copper ring, the second copper ring and the gasket are clamped and fixed, and the coaxial fixation of the switching contact pin, the outer shell and the inner shell is realized.

Further, a first step hole is formed in the front end of the outer shell, the first step hole comprises a first large-diameter hole and a first small-diameter hole, the first large-diameter hole is used for accommodating the connecting mechanism, the first copper ring is arranged in the first large-diameter hole, and the outer diameter of the first copper ring is matched with the inner diameter of the first large-diameter hole.

Further, the inside second step hole that is equipped with of tail end of procapsid, second step hole includes big diameter hole of second and the little diameter hole of second, and the big diameter hole of second is used for holding coupling mechanism, and the second copper ring is arranged in the big diameter hole of second, and the external diameter of second copper ring and the internal diameter phase-match in the big diameter hole of second, and the front end outside of procapsid is fixed through jump ring and hexagon coupling nut.

Furthermore, the groove of the adapter pin is an annular groove and is arranged in the middle of the adapter pin, and the insulator is annular.

Furthermore, an internal thread is arranged inside the front end of the hexagonal connecting nut.

Further, coupling nut is the hollow circular cylinder shape, and has the internal thread, and the front end of shell body and the tail end of procapsid all are equipped with the external screw thread, realize the fastening cooperation through internal thread and external screw thread accordant connection between coupling nut and shell body, the procapsid.

Furthermore, the outer diameters of the first copper ring, the second copper ring and the washer are all equal.

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

the utility model discloses place the insulator at the recess in the middle of the switching contact pin, the outside interference of insulator just realizes switching contact pin and insulator at the immovable state of packing ring through first copper ring and the second copper ring that the symmetry set up. The step of the inside of shell body front end and procapsid tail end can the symmetry hold changeover mechanism, and all have the external screw thread, can with coupling nut's internal thread fastening cooperation, realize fixed connection through threaded connection's mode, can dismantle, easily assemble. The utility model discloses a millimeter wave adapter is for dividing the body structure, on the basis of realizing microwave transmission performance, the processing of being convenient for, easily assembly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the connection mechanism;

FIG. 3 is a schematic view of the coupling nut;

fig. 4 is a schematic structural view of the outer case.

In the figure: 1-an outer shell; 1-1-a first stepped bore; 1-1-1-a first large diameter bore; 1-1-2-a first small diameter hole; 2-switching contact pins; 2-1-grooves; 3-a first copper ring; 4-connecting a nut; 5-a gasket; 6-an insulator; 7-a front housing; 7-1-a second stepped bore; 7-1-1-a second large diameter hole; 7-1-2-a second small-diameter hole 8-a clamp spring; 9-hexagonal connecting nuts; 10-a second copper ring; 11-annular open slot.

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.

As shown in fig. 1 and 4, a millimeter wave coaxial adapter comprises an outer shell 1, a connecting mechanism, a front shell 7, a clamp spring 8, a hexagonal connecting nut 9 and a connecting nut 4, wherein the outer shell 1 and the front shell 7 are coaxially arranged oppositely, the front end surface of the outer shell 1 is in contact with the end surface of the front shell 7, the connecting mechanism is axially installed in the outer shell 1 and the front shell 7 in a penetrating manner, referring to fig. 2, the connecting mechanism comprises a first copper ring 3, a second copper ring 10, a gasket 5, an insulator 6 and a switching pin 2, the insulator 6 is embedded in a groove 2-1 of the switching pin 2, the gasket 5 is arranged on the periphery of the insulator 6, the first copper ring 3 and the second copper ring 10 are respectively and symmetrically sleeved on the periphery of the switching pin 2 and located on the left side and the right side of the gasket 5, and are symmetrically fixed through the first copper ring 3 and the second copper ring 10 to realize coaxial transition fit with the gasket 5, and inside first copper ring 3 placed in the front end of shell body 1, inside second copper ring 10 placed in the 7 tail ends of procapsid, install coupling nut 4 in the butt joint department periphery of shell body 1 and procapsid 7, realize shell body 1, procapsid 7 fixed to press from both sides first copper ring 3, second copper ring 10 and packing ring 5 tight fixedly, realize switching contact pin 2 and shell body 1 and the coaxial fixed of interior casing.

The inner part of the front end of the outer shell body 1 is provided with a first step hole 1-1, the first step hole 1-1 comprises a first large-diameter hole 1-1-1 and a first small-diameter hole 1-1-2, the first large-diameter hole 1-1-1 is used for accommodating a connecting mechanism, the first copper ring 3 is arranged in the first large-diameter hole 1-1-1, and the outer diameter of the first copper ring 3 is matched with the inner diameter of the first large-diameter hole 1-1-1.

The inner part of the tail end of the front shell 7 is provided with a second stepped hole 7-1, the second stepped hole 7-1 comprises a second large-diameter hole 7-1-1 and a second small-diameter hole 7-1-2, the second large-diameter hole 7-1-1 is used for accommodating a connecting mechanism, a second copper ring 10 is arranged in the second large-diameter hole 7-1-1, the outer diameter of the second copper ring 10 is matched with the inner diameter of the second large-diameter hole 7-1-1, and the outer part of the front end of the front shell 7 is fixed with a hexagonal connecting nut 9 through a clamp spring 8.

The inner diameter of the first small-diameter hole 1-1-2 is equal to the inner diameters of the first copper ring 3, the second copper ring 10 and the second small-diameter hole 7-1-2, and is larger than the outer diameter of the adapter pin 2, so that insulation and impedance matching are guaranteed.

The groove 2-1 of the adapter pin 2 is an annular groove and is arranged in the middle of the adapter pin 2, and the insulator 6 is annular. Two ends of the adapter pin 2 are respectively a pin end and a jack end.

And internal threads are arranged inside the front end of the hexagonal connecting nut 9. Can be matched and connected with the external thread of other adapter housings.

Referring to fig. 3, coupling nut 4 is the hollow cylinder shape, and has the internal thread, and the front end of shell body 1 and the tail end of procapsid 7 all are equipped with the external screw thread, realize the fastening cooperation through internal thread and external screw thread accordant connection between coupling nut 4 and shell body 1, procapsid 7.

The outer diameters of the first copper ring 3, the second copper ring 10 and the gasket 5 are equal.

Referring to fig. 2, the first copper ring 3 and the second copper ring 10 have the same structure, and both include a torus body, and an annular open slot 11 is formed at one end of the inner circumferential surface of the torus body. When the device is installed, the first copper ring 3 and the second copper ring 10 are both provided with an annular open slot 11, and one side of the annular open slot is in contact with the gasket 5.

During the installation, at first assemble changeover mechanism, it assembles procapsid 7 and hexagonal coupling nut 9 through 8 fixes of jump ring, carry out threaded connection with shell body 1 and coupling nut 4, then procapsid 7 and shell body 1 after will assembling dock from changeover mechanism's both ends, procapsid 7 end carries out threaded connection with coupling nut 4, it contacts with procapsid 7 end face to revolve to shell body 1 front end face, but the step symmetry of the inside of shell body front end and procapsid tail end holds changeover mechanism, thereby with first copper ring 3, second copper ring 10 and packing ring 5 press from both sides the clamp and fix, realize changeover contact pin 2 and the coaxial fixed of shell body 1 and interior casing.

The above description is only a preferred example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made to the present invention should be included in the protection scope of the present invention.

Claims

1. The millimeter wave coaxial adapter is characterized by comprising an outer shell, a connecting mechanism, a front shell, a clamp spring, a hexagonal connecting nut and a connecting nut, wherein the outer shell is coaxially and oppositely arranged with the front shell, the front end face of the outer shell is contacted with the end face of the front shell, the outer shell and the front shell are axially provided with the connecting mechanism in a penetrating manner, the connecting mechanism comprises a first copper ring, a second copper ring, a gasket, an insulator and a switching contact pin, the insulator is embedded in a groove of the switching contact pin, the gasket is arranged on the periphery of the insulator, the first copper ring and the second copper ring are symmetrically and coaxially sleeved on the periphery of the switching contact pin and positioned on the left side and the right side of the gasket respectively, the first copper ring is arranged inside the front end of the outer shell, the second copper ring is arranged inside the tail end of the front shell, the connecting nut is arranged on the periphery, The front shell is fixed, so that the first copper ring, the second copper ring and the gasket are clamped and fixed, and the coaxial fixation of the switching contact pin, the outer shell and the inner shell is realized.

2. The millimeter wave coaxial adapter according to claim 1, wherein the front end of the outer housing has a first stepped bore formed therein, the first stepped bore comprising a first large diameter bore and a first small diameter bore, the first large diameter bore being adapted to receive the connection means, the first copper ring being disposed in the first large diameter bore, and the first copper ring having an outer diameter matching an inner diameter of the first large diameter bore.

3. The millimeter wave coaxial adapter according to claim 1, wherein the front housing has a second stepped hole formed therein at a rear end thereof, the second stepped hole includes a second large diameter hole and a second small diameter hole, the second large diameter hole is used for accommodating the connection mechanism, the second copper ring is disposed in the second large diameter hole, an outer diameter of the second copper ring matches an inner diameter of the second large diameter hole, and an outer portion of a front end of the front housing is fixed to the hexagonal coupling nut by a snap spring.

4. The millimeter wave coaxial adapter according to claim 1, wherein the recess of the adapter pin is an annular recess and is disposed at a middle position of the adapter pin, and the insulator is annular.

5. The millimeter wave coaxial adapter according to claim 1, wherein the hexagonal coupling nut has internal threads on the inside of the front end.

6. The millimeter wave coaxial adapter according to claim 1, wherein the connection nut is in the shape of a hollow cylinder and has an internal thread, the front end of the outer housing and the rear end of the front housing are provided with external threads, and the connection nut is tightly coupled with the outer housing and the front housing through the matching connection of the internal thread and the external threads.

7. The millimeter wave coaxial adapter of claim 1, wherein the first copper ring, the second copper ring and the washer are all of equal outer diameter.