CN213122039U

CN213122039U - Connector and fixing structure

Info

Publication number: CN213122039U
Application number: CN202022305753.7U
Authority: CN
Inventors: 黄攀; 王亚亮; 任辉; 张喆
Original assignee: Nanjing ZTE New Software Co Ltd
Current assignee: Nanjing ZTE New Software Co Ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-04
Anticipated expiration: 2030-10-15

Abstract

The application provides a connector, which comprises an outer shell, an inner core, an upper shell and a self-adaptive mechanism; a cavity is arranged in the outer shell; the upper shell is at least partially arranged in the cavity; the inner core is arranged in the cavity; the upper shell is provided with a through hole; one end of the inner core is arranged in the through hole; the self-adaptive mechanism is used for adjusting the relative position of the upper shell and the outer shell. Adopt the connector of this application, electronic components can stretch into in the casing with the inner core contact, and electronic components's outside can be pushed up and go up the casing, through self-adaptation mechanism's regulation for connector and electronic components zonulae occludens, and this connection can shorten the transmission distance between connector and the electronic components, guarantees the accuracy of test result.

Description

Connector and fixing structure

Technical Field

The utility model relates to the field of communication technology, especially, relate to a connector and fixed knot construct.

Background

With the continuous change of communication technology, such as the development of 5G technology, the complexity of communication systems is higher and higher. Base station antennas are becoming more widely used as components of communication systems, and at the same time, the requirements for their performance are also increasing. At present, the antenna is basically connected to the connector through a radio frequency cable, or connected to the connector through a PCB, and then the connector tests the characteristics of the antenna. However, such a connection method may have some adverse effects, for example, the transmission path is long due to the transmission between the connector and the antenna through the rf cable or the PCB, thereby reducing the accuracy of the test result.

SUMMERY OF THE UTILITY MODEL

The main objective of this application is to provide a connector, can shorten the transmission distance between connector and the antenna that awaits measuring, improve the test accuracy.

The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

According to a first aspect of the present application, there is provided a connector comprising an outer shell, an inner core, an upper shell, and an adaptive mechanism;

a cavity is arranged in the outer shell;

the upper housing is at least partially disposed in the cavity;

the inner core is disposed in the cavity;

the upper shell is provided with a through hole; one end of the inner core is arranged in the through hole;

the self-adaptive mechanism is used for adjusting the relative position of the upper shell and the outer shell.

Adopt the connector of this application, electronic components can stretch into in the casing with the inner core contact, and electronic components's outside can be pushed up and go up the casing, through self-adaptation mechanism's regulation for connector and electronic components zonulae occludens, and this connection can shorten the transmission distance between connector and the electronic components, guarantees the accuracy of test result.

According to a first aspect of the present application, there is provided a fixing structure comprising a plurality of the connectors of the first aspect of the present application, and a backing plate to which the plurality of connectors are passed through and mounted.

Adopt the fixed knot of this application to construct, can fix the connector in the position nearer apart from electronic components, shorten the distance between connector and the electronic components for whole test structure is more firm.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

FIG. 1 is a perspective view of one embodiment of a connector according to the present embodiments;

FIG. 2 is a schematic cross-sectional view of the connector of FIG. 1 taken along section A-A;

FIG. 3 is a schematic view of the upper housing, adaptive mechanism, and inner core of the connector of FIG. 1;

FIG. 4 is a schematic view of the second shell and core of the connector of FIG. 1;

fig. 5 is a schematic cross-sectional view of a connector and an antenna in a connected state according to an embodiment of the present application;

fig. 6 is a perspective view of an embodiment of a fixation structure in an embodiment of the present application.

Reference numerals:

100-an outer shell; 110-a first housing; 111-grooves; 120-a second housing; 121-connecting hole; 122-a threaded portion; 200-inner core; 210-a stepped structure; 300-an adaptive mechanism; 310-an upper housing; 311-a first connection; 312 — a second connection; 313-a via; 314-protrusion, 320-elastic element; 400-an insulator; 500-pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. In the present application, the embodiments and features of the embodiments may be arbitrarily combined with each other without conflict.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The terms first, second and the like in the description and in the claims, and the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that if an orientation description is referred to, such that the directions or positional relationships indicated, for example, up, down, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, it is only for convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the present application.

The present application is applicable to testing of electronic components, such as antennas, filters, etc., and the following description will be made only by taking antennas as an example.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the disclosure.

Referring to fig. 1 to 6, embodiments of the present application are shown.

It should be noted that "axial" in the present application should not be construed as limiting the shape, and "axial" should be defined as a direction along the central axis.

As shown in fig. 1 and 2, a connector includes an outer housing 100, an inner core 200, an upper housing 310, and an adaptive mechanism 300; a cavity is arranged in the outer shell 100; the upper housing 310 is at least partially disposed in the cavity; an inner core 200 is disposed in the cavity; the upper case 310 is provided with a through hole 313; one end of the inner core 200 is disposed in the through hole 313; the adaptive mechanism 300 is used to adjust the relative position of the upper housing 310 and the outer housing 100.

In the present embodiment, a cavity is formed inside the outer casing 100, the inner core 200 is disposed in the cavity, the upper casing 310 is opened with a through hole 313, the upper casing 310 is sleeved on the upper end of the inner core 200 through the through hole 313, and the upper casing 310 can move on the outer circumferential surface of the inner core 200 along the axial direction of the inner core 200 by the adaptive mechanism 300, so that the distance between the upper casing 310 and the outer casing 100 is adjusted. When the antenna feed pin 610 extends into the through hole 313 to contact with the inner core 200, the antenna element 600 presses the upper shell 310 towards the lower side, and the upper shell 310 moves towards the lower side relative to the inner core 200 under the action of the adaptive mechanism 300, and because the adaptive mechanism 300 is telescopic, the upper shell 310 can press towards the upper side to abut against the antenna element 600 after being pressed, so that the conductive connection between the connector and the antenna to be tested is ensured. When the antenna feed pin 610 moves out, the antenna element 600 no longer presses against the upper housing 310, the adaptive mechanism 300 is released, and the upper housing 310 moves toward the upper side to return to the initial state.

By adopting the design, when the antenna needs to be tested, the antenna feed pin 610 extends into the self-adaptive mechanism 300 to be in contact with the inner core 200, meanwhile, the antenna oscillator 600 abuts against the upper shell 310, not only can other connecting elements such as radio frequency cables be avoided, the loss of redundant devices is reduced, but also the transmission path between the inner core 200 and the antenna is shortened, the testing accuracy is improved, meanwhile, the inner core 200 is kept accommodated in the upper shell 310 in a non-testing state, the inner core 200 is prevented from being polluted by impurities or moisture in the air, and the cleanliness of the inner core 200 is ensured. In addition, the conventional connector needs to be continuously in contact connection with connecting elements such as a radio frequency cable and a PCB during repeated testing, so that the surface abrasion of the radio frequency cable and the surface abrasion of the PCB can be caused, the testing precision is influenced, and the inner core 200 is directly inserted into the antenna, so that the testing precision is prevented from being influenced by the abrasion of the connecting elements. Because adaptive mechanism 300 is scalable, last casing 310 after the suppression can contact with the casing adaptability of antenna, goes up the terminal surface of casing 310 and keeps the state that leans on each other with antenna element 600 to guarantee that connector and antenna keep the state of electrically conductive connection in the test procedure, improve the test accuracy.

It should be noted that the connector may be provided in a plurality in an array, and the antenna may also be provided in a plurality, so that each antenna corresponds to a separate connector, thereby improving the adaptability of the connector to the antenna. In the 5G technology, the number of the antennas is greatly increased, and the connector can be used for simultaneously testing a large number of antennas, so that the efficiency is improved. The inner core 200 is made of metal, and the outer shell 100 and the upper shell 310 are made of metal, so as to be electrically connected to the antenna.

As shown in fig. 2 and 5, in some embodiments, in order to adaptively adjust the distance between the outer shell 100 and the upper shell 310, the adaptive mechanism 300 includes at least an elastic member 320 and a stopper. The stopper may be a flange and a recess provided between the outer case 100 and the upper case 310 to be fitted with each other. That is, the stopper may include a groove 111 provided at the outer case 100 and a protrusion 314 provided at the upper case 310. Specifically, the groove 111 is provided on the inner wall of the outer case 100, the upper case 310 is protrusively provided with a projection 314 at a corresponding position of the groove 111, the projection 314 can be accommodated in the groove 111, and the groove 111 can be provided to extend in the axial direction of the outer case 100. Alternatively, the position-limiting portion may include a protrusion (not shown) provided at the outer case 100 and a groove (not shown) provided at the upper case 310, where the protrusion and the groove have the same function as the protrusion 314 and the groove 111, except for the difference in position. In both of these ways, the relative displacement of the outer housing 100 and the upper housing 310 can be restricted when the connector is connected to the antenna.

In contrast, the elastic member 320 may be disposed in the cavity and abut against the upper case 310, and specifically, the elastic member 320 may be located at a lower side of the upper case 310 and abut against a lower end surface of the upper case 310. When the antenna element 600 abuts against the upper housing 310, the upper housing 310 abuts against the elastic member 320 downward, so that the elastic member 320 is compressed, and the elastic force of the elastic member 320 enables the upper housing 310 and the antenna element 600 to be tightly attached, thereby ensuring the connection between the antenna and the connector. Alternatively, the elastic member 320 may be disposed in the groove 111 of the outer case 100 and abut against the protrusion 314 of the upper case 310, and specifically, the elastic member 320 is located at a lower side of the protrusion 314. The protrusion 314 moves in the groove 111 during the pressing process, and the maximum moving distance is limited by the upper and lower sides of the groove 111, thereby effectively preventing the upper case 310 from being excessively pressed to be sunk into the outer case 100. In some embodiments, the upper housing 310 is provided with a groove (not shown), a protrusion (not shown) is provided on the outer housing 100 at a position corresponding to the groove, the elastic element 320 is located in the groove, specifically, the elastic element 320 is provided at an upper side of the protrusion, and by pressing the upper housing 310, the elastic element 320 is compressed, and the elastic force makes the upper housing 310 and the antenna element 600 tightly fit with each other, so as to ensure that the two are electrically connected. It should be noted that the elastic member 320 may be a coil spring. The relationship between the elastic element 320 and the position-limiting portion has been described only by two detailed embodiments, but the positional relationship between the elastic element 320 and the position-limiting portion is not limited thereto, and is not described herein again.

As shown in fig. 2 and 3, in some embodiments, to facilitate detaching the elastic element 320, the upper housing 310 includes a first connection portion 311 and a second connection portion 312 protruding from the first connection portion 311, the first connection portion 311 and the second connection portion 312 are communicated with each other, the elastic element 320 is sleeved on an outer peripheral surface of the first connection portion 311, an upper end of the elastic element 320 abuts against a lower end surface of the second connection portion 312, and a lower end of the elastic element 320 can be limited by an inner wall of the outer housing 100. For example, the inner wall of the outer casing 100 protrudes into the cavity, and the lower end of the elastic member 320 can abut against the protruding inner wall after being pressed, so as to prevent the elastic member 320 from being excessively pressed. The first connection portion 311 and the protruding second connection portion 312 facilitate the connection between the elastic member 320 and the upper housing 310, thereby facilitating the maintenance and detachment of the elastic member 320. The elastic member 320 may be a coil spring capable of being fitted over the inner core 200 while supporting the upper case 310 and allowing the upper case 310 to float. It should be noted that, the elastic member 320 is made of metal, and during the test, the number of turns of the elastic member 320 and the transformation of the impedance are correlated with each other, so as to adaptively improve the accuracy of the test.

As shown in fig. 2 and 4, in some embodiments, a stepped structure 210 is provided at least at an end of the inner core 200 near the antenna in order to adjust the impedance of the antenna during testing. Specifically, the step structure 210 is a step that widens sequentially from top to bottom. The stepped structure 210 is associated with the impedance of the antenna to be tested, and the stepped structure 210 processes the impedance of the antenna in a standardized manner after the antenna feed pin 610 is in contact with the core 200. Different antennas correspond to different connectors, meanwhile, different antennas need to correspond to different inner cores 200, and the stepped structure 210 of the antenna is matched with a single antenna, so that the connector can adapt to antennas to be tested with different impedances.

As shown in fig. 2, in some embodiments, in order to fix the inner core 200 in the outer shell 100, an insulator 400 is disposed inside the outer shell 100, the insulator 400 surrounds the inner core 200, so that the lower end of the inner core 200 is fixed, and when the connector is inserted into the antenna, the inner core 200 cannot shake left and right, thereby ensuring the stability of the test process. The lower end of the elastic member 320 can be further restricted by the insulator 400, and after the upper shell 310 is pressed, the lower end of the elastic member can abut against the insulator 400 to prevent the elastic member 320 from being excessively pressed.

As shown in fig. 2 and 4, in some embodiments, in order to facilitate the detachment and installation of the entire connector, the outer housing 100 includes a first housing 110 and a second housing 120, the second housing 120 is connected to an end (i.e., a lower end) of the first housing 110 far from the upper housing 310, and the inner core 200 extends into the first housing 110 and the second housing 120, so that the first housing 110 and the second housing 120 enclose the inner core 200. By providing the outer housing 100 as a separate body, the connector can be easily disassembled and maintained.

As shown in fig. 2 and 4, in some embodiments, in order to facilitate fixing of the connector, the second housing 120 is provided with coupling holes 121, for example, left and right sides, for allowing a screw member (not shown) to pass therethrough, and in particular, the coupling holes 121 are provided at both sides of the second housing 120, and the screw member mounts the connector to a predetermined position via the coupling holes 121. It should be noted that the second housing 120 may be a flange. The threaded member may be a bolt or a screw, which can be selected by the skilled person according to the actual situation.

As shown in fig. 2 and 4, in some embodiments, in order to facilitate interconnection of the connector with a test grid, a threaded portion 122 is provided at a lower end of the second housing 120, and the threaded portion 122 may be an internal thread or an external thread, as long as the connector can be connected to the test grid such that the inner core 200 is conductively connected with the test grid.

As shown in fig. 6, a fixing structure includes the above-described connector, and a shim plate 500, the shim plate 500 being provided with a hole through which a plurality of connectors pass, the plurality of connectors passing through the hole being mounted to the shim plate 500. As shown in fig. 6, a plurality of connectors may be fixed on the pad 500 in an array form, and during testing, the plurality of connectors are simultaneously inserted onto a plurality of antennas located at corresponding positions, the inner cores 200 of the connectors are in contact with the antenna feed pins 610, the outer shell 100 is in contact with the antenna element 600, and the simultaneous testing of the plurality of antennas is completed through the contact. After the test is completed, the pad 500 mounted with the connectors is removed from the antennas, so that each antenna is separated from the connector, the antennas which have been tested are removed, new antennas to be tested are replaced, and a new round of test is performed again. Each connector can be adaptively provided with an inner core 200 matched with the corresponding antenna, so that the antennas with different impedances can be tested simultaneously, and the efficiency and the precision of the test are ensured.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.

Claims

1. A connector is characterized by comprising an outer shell, an inner core, an upper shell and a self-adaptive mechanism;

a cavity is arranged in the outer shell;

the upper housing is at least partially disposed in the cavity;

the inner core is disposed in the cavity;

2. The connector of claim 1, wherein the adaptive mechanism includes at least an elastic member and a stopper portion.

3. The connector according to claim 2, wherein the stopper portion is provided by any one of:

the limiting part comprises a groove arranged on the outer shell and a bulge arranged on the upper shell;

the limiting part comprises a protrusion arranged on the outer shell and a groove arranged on the upper shell.

4. A connector according to claim 3, wherein the resilient member is provided by any one of:

the elastic piece is arranged in the cavity and abutted against the upper shell;

the elastic piece is arranged in the groove and abuts against the protrusion.

5. The connector according to claim 3, wherein the upper housing includes a first connecting portion and a second connecting portion protrudingly provided on the first connecting portion, the first connecting portion communicates with the second connecting portion, and the elastic member is fitted to an outer portion of the first connecting portion.

6. A connector according to any one of claims 1 to 5, wherein at least one end of the inner core is provided with a stepped configuration.

7. The connector of claim 1, wherein an insulator is disposed inside the outer shell, the insulator surrounding the inner core.

8. The connector of claim 1, wherein the outer housing comprises a first housing and a second housing, the second housing being connected to an end of the first housing remote from the upper housing, the inner cores extending into the first and second housings, respectively.

9. The connector according to claim 8, wherein the second housing is provided with a connection hole allowing a screw member to pass therethrough.

10. The connector of claim 9, wherein the end of the second housing is provided with a threaded portion such that the second housing is conductively connected to a test grid through the threaded portion.

11. A fixing structure characterized by comprising a plurality of connectors according to any one of claims 1 to 10, and a backing plate to which the plurality of connectors are passed through and mounted.