CN218975819U

CN218975819U - Ball head hair button plate end connector

Info

Publication number: CN218975819U
Application number: CN202223468992.XU
Authority: CN
Inventors: 许栋
Original assignee: Changzhou Kingsignal Fengshi Communication Equipment Co ltd
Current assignee: Changzhou Kingsignal Fengshi Communication Equipment Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-05
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a ball head hair button plate end connector, which comprises: the device comprises an outer shell, an inner conductor fixed in the outer shell, a spherical elastic contact pin connected with one end of the inner conductor, a hair button connected with one end of the inner conductor, which is opposite to the spherical elastic contact pin, and a thimble connected with one end of the hair button, which is opposite to the inner conductor; wherein the thimble partially extends out of one side end of the outer shell, and the spherical elastic contact pin partially extends out of the other side end of the outer shell, which is back to the thimble; the inner wall of the outer shell is also elastically connected with a grounding ring surrounding the circumferential side of the thimble; the shaft end of the grounding ring, which is away from the inner conductor, is slightly protruded from the side end of the outer shell, which is away from the inner conductor; the thimble is electrically connected with the spherical elastic contact pin through the button and the inner conductor.

Description

Ball head hair button plate end connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a ball head hair button plate end connector.

Background

The board-side connection is a core part in the radio frequency transmission system and is commonly used for signal transmission between the core processing unit and the external functional unit. At present, a conventional button structure is commonly used for testing a radio frequency board end and is matched with a PEEK dielectric board and the like to form a modularized conduction testing system. Compared with a traditional testing structure, the wool button type board-end connector is the most commonly used connector for connecting end plates at present, inner and outer conductors are welded on a PCB (printed circuit board), and the common mode is that pin holes are punched on the board, and connector pins are welded and fixed in the holes.

Specifically, the board-end connector requires high-temperature welding or reflow soldering equipment to ensure the welding reliability of the connector on the PCB board, and the equipment has high overall use cost, high operation requirement and high maintenance cost. Meanwhile, the service life of the welding is influenced by the effect of common manual welding, and the reliability, performance and the like of the welding.

In addition, for the board-end connector soldered on the PCB board, once the connector is damaged, the PCB board of the corresponding whole processing unit is scrapped, and the difficulty of connecting the board-end connector to and removing the board-end connector from the PCB board is great on the processing unit with dense components. Therefore, for the board-end connector welded on the PCB which is conventionally used at present, the whole structure has certain defects from the production and the later use process.

Disclosure of Invention

The utility model aims to provide a ball Mao Niu buckle end connector, which aims to solve the technical problems of reducing the difficulty of connecting production and improving the convenience of overhaul.

The ball stud plate end connector of the utility model is realized as follows:

a ball stud plate end connector comprising: the device comprises an outer shell, an inner conductor fixed in the outer shell, a spherical elastic contact pin connected with one end of the inner conductor, a button hair connected with one end of the inner conductor, which is opposite to the spherical elastic contact pin, and a thimble connected with one end of the button hair, which is opposite to the inner conductor; wherein the method comprises the steps of

The ejector pin partially extends out of one side end of the outer shell, and the spherical elastic contact pin partially extends out of the other side end of the outer shell, which is opposite to the ejector pin; and

the inner wall of the outer shell is also elastically connected with a grounding ring surrounding the circumferential side of the thimble; the shaft end of the grounding ring, which is away from the inner conductor, is slightly protruded from the side end of the outer shell, which is away from the inner conductor;

the thimble is electrically connected with the spherical elastic contact pin through the button and the inner conductor.

In an alternative embodiment of the utility model, the inner conductor is fixed in the outer housing by glass sintering.

In an alternative embodiment of the utility model, the thimble is in floating fit with the outer shell through compression deformation of the button, and the floating range of the thimble is 0-0.3 mm.

In an alternative embodiment of the utility model, the grounding ring is in floating connection with the inner cavity of the outer shell through an annular spring, and the floating range of the grounding ring is 0-0.25 mm.

In an alternative embodiment of the utility model, when the button and the annular spring are in a natural elastic state, the end of the thimble, which faces away from the inner conductor, is slightly convex to the end of the grounding ring, which faces away from the inner conductor.

In an alternative embodiment of the present utility model, a first insulator is disposed in an inner cavity of the outer housing corresponding to one end of the thimble;

the first insulator is radially fixed in the outer shell through the inner wall of the outer shell; and

the first insulator is axially fixed in the outer shell through a limiting compression ring connected with the inner cavity of the outer shell.

In an alternative embodiment of the utility model, a containing cavity for containing the button hair and a containing cavity for containing the thimble are arranged in the first insulator; and

the thimble comprises a basal body accommodated in the accommodating cavity and an extension part penetrating through the rear part of the accommodating cavity and extending out of the outer side of the outer shell; wherein the method comprises the steps of

The inner diameter of the accommodating cavity is larger than that of the accommodating cavity, so that the accommodating cavity and the accommodating cavity are in a T-shaped structure.

In an alternative embodiment of the utility model, the ground ring surrounds the outer peripheral side of the limit ring; and

an annular groove for embedding an annular spring is formed in the inner cavity of the outer shell.

In an alternative embodiment of the utility model, a second insulator is arranged in an inner cavity of the outer shell corresponding to one end of the spherical elastic contact pin;

the second insulator is radially fixed in the outer shell through the wall of the outer shell; and

one end of the second insulator is provided with an adjusting gasket embedded in the outer shell, one end of the second insulator, which is opposite to the adjusting gasket, is provided with a clamping ring, and the second insulator realizes the axial positioning of the second insulator in the outer shell through the adjusting gasket and the clamping ring.

In an alternative embodiment of the present utility model, the spherical elastic pin is elastically clamped with the inner conductor;

one end of the spherical elastic contact pin, which is clamped with the inner conductor, is provided with an elastic connector with at least one slot;

the slot extends in the axial direction of the inner conductor, and the slot extends to the end edge of the spherical elastic contact pin, which faces the inner conductor.

By adopting the technical scheme, the utility model has the following beneficial effects: the ball head hair button plate end connector of the utility model ensures that the connector does not need to be connected with a PCB by welding in the use process by the thimble and the grounding ring arranged at one end of the outer shell, thereby reducing the use of welding equipment and avoiding the problem of unstable welding quality caused by human factors in the welding operation process,

furthermore, the utility model utilizes the elastic connection of the grounding ring and the thimble with the PCB, and has reliable contact performance and better electrical performance. When the connector is required to be overhauled or replaced by a part of the structure, the disassembling process is very convenient and efficient, and the disassembling cannot cause damage to other electrical components on the PCB, so that the whole processing unit cannot be scrapped due to the failure of the connector, and the whole use cost can be reduced.

In addition, the connector of the utility model adopts the spherical elastic contact pin to replace the traditional rigid contact pin, and the contact is more reliable and the electrical performance is better when the connector is connected with the board end.

Drawings

FIG. 1 is a schematic cross-sectional structural view of a ball stud plate end connector of the present utility model;

fig. 2 is a schematic structural view of the ball stud plate end connector of the present utility model.

In the figure: the glass-ceramic insulator comprises an outer shell 1, an annular groove 101, glass 2, an inner conductor 3, a first insulator 4, a containing cavity 401, a containing cavity 402, a thimble 5, a base body 501, an extension 502, a button 6, an annular spring 7, a grounding ring 8, a limiting pressing ring 9, an adjusting gasket 10, a spherical elastic contact pin 11, an elastic connector 111, a groove 112, an annular concave groove 113, a ball head 114, a notch 115, a second insulator 12 and a clamping ring 13.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Referring to fig. 1 and 2, the present embodiment provides a ball stud board end connector, which includes: the device comprises an outer shell 1, an inner conductor 3 fixed in the outer shell 1, a spherical elastic contact pin 11 connected with one end of the inner conductor 3, a hair button 6 connected with one end of the inner conductor 3, which is opposite to the spherical elastic contact pin 11, and a thimble 5 connected with one end of the hair button 6, which is opposite to the inner conductor 3; the thimble 5 is electrically connected with the spherical elastic pin 11 through the button 6 and the inner conductor 3. The button 6 used here is an elastic element, enabling a telescopic deformation in the axial dimension. In an alternative embodiment, the inner conductor 3 used in this embodiment is fixed in the outer housing 1 by sintering with the glass 2. The glass 2 is adopted as the fixing structure of the inner conductor 3 at one end, so that the utility model has the advantages of one-step molding, large batch, reliable structure, long service life and the like, and can better withstand high-temperature operation compared with the conventional PTFE serving as a medium support.

Furthermore, the thimble 5 partially protrudes from one side end of the outer casing 1, and the spherical elastic pin 11 partially protrudes from the other side end of the outer casing 1 facing away from the thimble 5; and the inner wall of the outer shell 1 is also elastically connected with a grounding ring 8 surrounding the circumferential side of the thimble 5, and the shaft end of the grounding ring 8 facing away from the inner conductor 3 slightly protrudes from the side end of the outer shell 1 facing away from the inner conductor 3. Because the button 6 is an elastic piece, the thimble 5 and the outer shell 1 form a floating connection structure, and the floating range of the thimble 5 is 0-0.3 mm. In a preferred embodiment, the button 6 has a diameter of 0.38mm and a length of 1.7mm.

It should be noted that, when the button 6 and the ring spring 7 are in a natural elastic state, the end of the thimble 5 facing away from the inner conductor 3 is slightly protruded from the end of the ground ring 8 facing away from the inner conductor 3. And the grounding ring 8 is in floating fit with the inner cavity of the outer shell 1 through the annular spring 7, and the floating range of the grounding ring 8 is 0-0.25 mm.

Based on the above structure, it should be further noted that, in the embodiment, the inner cavity of the outer casing 1 corresponding to one end of the thimble 5 is provided with the first insulator 4; the first insulator 4 is radially fixed in the outer shell 1 by the inner wall of the outer shell 1; and the first insulator 4 realizes the axial fixation of the first insulator 4 in the outer shell 1 through a limiting compression ring 9 connected with the inner cavity of the outer shell 1. The limiting compression ring 9 can be fixedly connected with the inner cavity wall of the outer shell 1 in a threaded connection mode. The limiting press ring 9 and the first insulator 4 are provided with partial abutting matching surfaces, so that after the limiting press ring 9 and the outer shell 1 are assembled in place, the limiting press ring 9 abuts against the first insulator 4 along the axial direction of the first insulator 4, and the first insulator is effectively fixed in the outer shell 1 along the axial direction.

Further, regarding the ground ring 8, it surrounds the outer peripheral side of the limit pressing ring 9; and an annular groove 101 for embedding the annular spring 7 is arranged in the inner cavity of the outer shell 1. And form between ground ring 8 and the spacing clamping ring 9 and have partial butt fitting surface, when spacing clamping ring 9 is fixed in shell body 1 like this, whole ground ring 8 can not break away from in shell body 1, and spacing clamping ring 9 has formed the anticreep backstop of ground ring 8 from in the shell body 1 promptly.

It should be noted that, the first insulator 4 is provided with a receiving cavity 401 for receiving the button hair 6 and a receiving cavity 402 for receiving the thimble 5, where the receiving cavity 401 is open at one end facing the inner conductor 3, so that the inner conductor 3 can be inserted into the receiving cavity 401 at one end to achieve an abutting fit with the button hair 6. Furthermore, the ejector pin 5 includes a base 501 accommodated in the accommodating cavity 401 and an extension 502 extending outside the outer housing 1 through a rear portion of the accommodating cavity 402; wherein the base 501 and the extension 502 form a T-shaped structure, and the inner diameter of the accommodating cavity 401 is larger than the inner diameter of the accommodating cavity 402, so that the accommodating cavity 402 and the accommodating cavity 401 form a T-shaped structure.

Next, the spherical elastic pin 11 is further described, so as to improve the convenience of the mating of the spherical elastic pin 11 with the inner conductor 3, and in an alternative implementation, the spherical elastic pin 11 is elastically clamped with the inner conductor 3. The resilient clip is realized here by the following structure:

one end of the spherical elastic contact pin 11, which is clamped with the inner conductor 3, is provided with an elastic connector 111 with at least one slot 112; the slot 112 extends in the axial direction of the inner conductor 3, and the slot 112 extends to the end edge of the spherical elastic pin 11 toward the inner conductor 3. The grooves 112 may start to form a plurality of grooves along the circumferential direction of the spherical elastic pin 11, for example, two or three grooves distributed in the circumferential direction, and the grooves 112 may be used to form the elastic claw structure of the integral elastic connector 111 so as to facilitate the clamping fit of the inner conductor 3. In terms of the processing process, the slots 112 on the elastic connector 111 can be shaped through heat treatment, so that the reliable elastic plug-in requirement is met.

Furthermore, a second insulator 12 is disposed in an inner cavity of the outer housing 1 corresponding to one end of the spherical elastic pin 11; the second insulator 12 is radially fixed in the outer shell 1 through the wall of the outer shell 1; and one end of the second insulator 12 is provided with an adjusting gasket 10 embedded in the outer shell 1, one end of the second insulator 12, which is away from the adjusting gasket 10, is provided with a clamping ring 13, and the second insulator 12 realizes the axial positioning of the second insulator 12 in the outer shell 1 through the adjusting gasket 10 and the clamping ring 13. The second insulator 12 has a through hole adapted to be partially penetrated by the spherical elastic pin 11, and the circumferential side wall of the spherical elastic pin 11 is provided with an annular recess 113 adapted to the second insulator 12. Here, the tuning pad 10 and the first insulator 4 are respectively abutted against both side end surfaces of the glass 2 formed by sintering the glass 2 in the radial direction of the inner conductor 3.

In addition, it should be noted that, in order to facilitate the plug-in fit between the first insulator 4 and the spherical elastic pin 11, a groove 115 is formed on the ball 114 of the spherical elastic pin 11 away from the elastic connector 111 along the axial direction, so that the first insulator 4 is conveniently sleeved on the outer side wall of the spherical elastic pin 11 from the ball 114, and finally sleeved in the annular recess 113 of the spherical elastic pin 11.

In addition, in an alternative implementation case, the first insulator 4 and the second insulator 12 in the utility model can be made of PEEK material, and PEEK has good high temperature resistant performance, so that the first insulator 4 and the second insulator 12 are matched with the glass 2, and the connector of the utility model has good high temperature resistance.

In summary, for the connection of the plate end of the button 6 with the ball 114 in this embodiment, considering that the subsequent contact-free connection with the PCB has better elastic contact and longer service life, the present utility model adopts the thimble 5 structure, compared with the prior art that the part of the connector with the button 6 is directly used as the butt joint center conductor between plates, the thimble 5 is not easy to be damaged due to multiple pressing, thus the service life is longer.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present utility model, and are more fully described herein with reference to the accompanying drawings, in which the principles of the present utility model are shown and described, and in which the general principles of the utility model are defined by the appended claims.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Claims

1. A ball stud plate end connector, comprising: the device comprises an outer shell, an inner conductor fixed in the outer shell, a spherical elastic contact pin connected with one end of the inner conductor, a button hair connected with one end of the inner conductor, which is opposite to the spherical elastic contact pin, and a thimble connected with one end of the button hair, which is opposite to the inner conductor; wherein the method comprises the steps of

2. The ball stud plate end connector of claim 1 wherein said inner conductor is secured in the outer housing by glass sintering.

3. The ball stud plate end connector of claim 1 wherein said pins are floatingly mated with the outer housing by compression deformation of the stud and wherein the float range of said pins is 0-0.3 mm.

4. The ball stud plate end connector of claim 1 wherein said ground ring is floatingly coupled to the interior cavity of the outer housing by an annular spring and wherein the float range of said ground ring is 0-0.25 mm.

5. The ball stud plate end connector of claim 3 or 4 wherein the end of said thimble facing away from said inner conductor is slightly convex from the end of the ground ring facing away from said inner conductor when the stud and annular spring are in a natural resilient state.

6. The ball stud plate end connector of claim 4 wherein a first insulator is disposed in an interior cavity of said outer housing at an end thereof corresponding to said thimble;

7. The ball stud plate end connector of claim 6 wherein said first insulator has a cavity for receiving a stud and a cavity for receiving a thimble; and

8. The ball stud plate end connector of claim 6 wherein said ground ring surrounds the outer peripheral side of the limit collar; and

9. The ball stud plate end connector of claim 1 wherein a second insulator is disposed in an interior cavity of the outer housing corresponding to one end of the spherical elastic pin;

10. The ball stud plate end connector of claim 1 wherein said spherical spring pin is resiliently snap-fit with the inner conductor; and

one end of the spherical elastic contact pin, which is clamped with the inner conductor, is provided with an elastic connector with at least one slot; the slot extends in the axial direction of the inner conductor, and the slot extends to the end edge of the spherical elastic contact pin, which faces the inner conductor.