CN214478180U

CN214478180U - N-type microwave connector capable of preventing cable from shrinking

Info

Publication number: CN214478180U
Application number: CN202022591581.4U
Authority: CN
Inventors: 胡汝刚
Original assignee: Cac Electronic Technology Co ltd
Current assignee: Cac Electronic Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-10-22
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a prevent N type microwave connector of cable needle that contracts, including first outer conductor and second outer conductor, the axis position of mounting hole is provided with the inner conductor, and the inner conductor includes column cap and tail groove, is provided with insulation support between column cap and the first outer conductor, and the column cap corresponds insulation support and is provided with first spacing step, and insulation support and first outer conductor inner wall are provided with the spacing step of second. The inner conductor after the installation is accomplished has the stable effect in both ends, and when the inner conductor carried out the plug cooperation with the negative pole connecting piece promptly, because under the combined coordination of first spacing step, the spacing step of second and insulating gasket, the inner conductor can not take place small skew, effectively prevents the phenomenon of inner conductor welding back shrinkage, is showing improvement product reliability and effect index.

Description

N-type microwave connector capable of preventing cable from shrinking

Technical Field

The utility model belongs to the technical field of cable connector, especially, relate to a prevent N type microwave connector of cable needle that contracts.

Background

The cable connector comprises a contact element, a core part which enables the connector to complete an electric connection function is generally provided with a male contact element and a female contact element which are contacted to complete electric connection, the male contact element is a rigid part and is cylindrical, the male contact element is generally made of copper, the female contact element is a jack and is a key part of a contact pair, and the female contact element is inserted into the jack by means of an elastic structure and is elastically deformed to generate force to be tightly contacted with the male contact element so as to complete connection.

The existing cable needs repeated adapter connectors for testing and other reasons, the inner conductor is easy to loose from the cable in the repeated plugging process of the connector, and even if millimeter-scale errors such as 0.1-0.2mm occur, the stability of signal transmission is greatly influenced, so that the problem of due index reduction is caused. Therefore, the utility model discloses it is main to solve because the connector is because repeated plug, leads to connector and cable junction to appear the problem of millimeter level error.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent N type microwave connector of cable needle that contracts, mainly solve because the connector is because repeated plug leads to connector and cable junction to appear the problem of millimeter level error.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

an N-type microwave connector for preventing a cable from shrinking comprises a first outer conductor and a second outer conductor, wherein one end of the first outer conductor is sleeved at one end of the second outer conductor and is in threaded connection with the second outer conductor, and a threaded sleeve is sleeved outside the other end of the first outer conductor;

the axis position of the first outer conductor is provided with a mounting hole,

an inner conductor is arranged at the axial position of the mounting hole and comprises a column head for inserting a cathode connecting piece and a tail groove for connecting a cable pin;

an insulating support is arranged between the column head and the first outer conductor, a first limiting step is arranged on the column head corresponding to the insulating support, and a second limiting step is arranged on the insulating support and the inner wall of the first outer conductor;

the one end that the mounting hole corresponds the tail groove is provided with insulating pad, the terminal surface in tail groove is contradicted in insulating pad.

Further, a sleeve is arranged between the second outer conductor and the outer wall of the cable and welded with the cable, and a third limiting step is integrally connected with a contact end of the sleeve and the first outer conductor.

Furthermore, a perforation is arranged on the side wall of the tail groove.

The utility model discloses following beneficial effect has:

the inner conductor after the installation is accomplished has the stable effect in both ends, and when the inner conductor carried out the plug cooperation with the negative pole connecting piece promptly, because under the combined coordination of first spacing step, the spacing step of second and insulating gasket, the inner conductor can not take place small skew, effectively prevents the phenomenon of inner conductor welding back shrinkage, is showing improvement effect index and product reliability.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model discloses the structure schematic diagram with section.

FIG. 2: the utility model discloses the schematic structure.

In the drawings, the components represented by the respective reference numerals are listed below:

the insulation support comprises a first outer conductor 1, a second outer conductor 2, a threaded sleeve 3, a mounting hole 6, an inner conductor 4, a stud 41, a tail groove 42, an insulation support 5, a first limiting step 43, a second limiting step 11, an insulation gasket 61, a sleeve 7, a third limiting step 71 and a through hole 44.

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.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-2: an N-type microwave connector for preventing a cable from being drawn back comprises a first outer conductor 1 and a second outer conductor 2, wherein one end of the first outer conductor 1 is sleeved at one end of the second outer conductor 2 and is in threaded connection, and a threaded sleeve 3 is sleeved outside the other end of the first outer conductor 1; the axis position of the first outer conductor 1 is provided with a mounting hole 6, and the mounting hole and the first outer conductor are both cylindrical or combined cylindrical. An inner conductor 4 is arranged at the axial position of the mounting hole 6, and the inner conductor 4 comprises a column head 41 for plugging a cathode connector and a tail groove 42 for connecting a cable pin;

an insulating support 5 is arranged between the column head 41 and the first outer conductor 1, a first limiting step 43 is arranged on the column head 41 corresponding to the insulating support 5, and a second limiting step 11 is arranged on the inner wall of the insulating support 5 and the first outer conductor 1;

one end of the mounting hole 6 corresponding to the tail groove 42 is provided with an insulating gasket 61, and the end surface of the tail groove 42 abuts against the insulating gasket 61.

The utility model provides an installation is: stripping the end part of the cable to expose the cable core, namely the contact pin, simultaneously reserving a section of shielding layer, sleeving the sleeve into the shielding layer and welding and fixing; then cup joint insulating pad on the contact pin of cable, then aim at the tail groove with the contact pin and insert, accomplish the fixed mounting of inner conductor and cable contact pin through the mode of pouring into soldering tin liquid.

Then install insulating support in the mounting hole, insulating support passes through the spacing step of second and locates at the mounting hole tip, increases inner conductor and first outer conductor interval, effectively forms spacing and formation impedance match to insulating support, then inserts the position of inner conductor and pass through first spacing step fixed inner conductor along insulating support inside.

And finally, the insulating gasket which is originally sleeved on the cable is moved to the corresponding side of the mounting hole towards the mounting hole, and the insulating gasket corresponds to the tail groove end face and extrudes the abutting tail groove end face, so that the position of the inner conductor is further stabilized.

As shown in fig. 1: a sleeve 7 is arranged between the second outer conductor 2 and the outer wall of the cable, and a third limiting step 71 is integrally connected with the contact end of the sleeve 7 and the first outer conductor 1. The third limiting step is used for limiting and fixing the cable insulating layer, and meanwhile, a certain gap is reserved between the cable insulating layer and the groove opening of the tail groove, so that uncooled soldering tin is prevented from flowing to the end face of the sleeve, and the error range is enlarged. Meanwhile, the insulation gasket is abutted against the insulation gasket and used for maintaining the stability of the inner conductor in the plugging process.

As shown in fig. 1: the side wall of the tail groove 42 is provided with a through hole 44. Used for discharging redundant soldering tin liquid and preventing the soldering tin liquid from overflowing after accumulation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An N-type microwave connector for preventing a cable from being drawn back comprises a first outer conductor (1) and a second outer conductor (2), wherein one end of the first outer conductor (1) is sleeved at one end of the second outer conductor (2) and is in threaded connection with the second outer conductor, and a threaded sleeve (3) is sleeved outside the other end of the first outer conductor (1); the method is characterized in that:

the axial line position of the first outer conductor (1) is provided with a mounting hole (6), the axial line position of the mounting hole (6) is provided with an inner conductor (4), and the inner conductor (4) comprises a column head (41) for plugging a cathode connecting piece and a tail groove (42) for connecting a cable pin;

an insulating support (5) is arranged between the column head (41) and the first outer conductor (1), a first limiting step (43) is arranged on the column head (41) corresponding to the insulating support (5), and a second limiting step (11) is arranged on the inner walls of the insulating support (5) and the first outer conductor (1);

one end of the mounting hole (6) corresponding to the tail groove (42) is provided with an insulating gasket (61), and the end face of the tail groove (42) is abutted against the insulating gasket (61).

2. The N-type microwave connector for preventing the cable from being drawn back according to claim 1, wherein: a sleeve (7) is arranged between the second outer conductor (2) and the outer wall of the cable, and a third limiting step (71) is integrally connected with the contact end of the sleeve (7) and the first outer conductor (1).

3. The N-type microwave connector for preventing the cable from being drawn back according to claim 1, wherein: the side wall of the tail groove (42) is provided with a through hole (44).