CN211017647U - Board-to-board butt joint type radio frequency coaxial connector - Google Patents
Board-to-board butt joint type radio frequency coaxial connector Download PDFInfo
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- CN211017647U CN211017647U CN201922130618.0U CN201922130618U CN211017647U CN 211017647 U CN211017647 U CN 211017647U CN 201922130618 U CN201922130618 U CN 201922130618U CN 211017647 U CN211017647 U CN 211017647U
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Abstract
The utility model discloses a board is to board butt joint formula radio frequency coaxial connector, contain the movable conductor, the center conductor, a spring, the insulator, shell and outer conductor, center conductor one end tip is provided with the first blind hole that matches with the movable conductor, the movable conductor slides and sets up in the first blind hole of center conductor, the spring setting is in first blind hole and for the movable conductor provides movable conductor axial elasticity, set up the stop gear who is used for restricting the movable conductor to stretch out center conductor length between movable conductor and the center conductor, the insulator housing is established in the center conductor outside, the shell sets up in the insulator outside, the outer conductor sets up at shell one end tip. The utility model discloses the structrual installation is simple, and the part directly adopts simple cartridge structure, has simplified holistic structure, has reduced the volume of whole connector.
Description
Technical Field
The utility model relates to a coaxial connector, especially a board is to butt joint formula radio frequency coaxial connector belongs to the electronic unit transmission connection field.
Background
A large number of plate-shaped electronic units are used in 5G communication equipment in order to minimize cable connections, such as printed board-based electronic units in dense installations. The problem of connection transmission between the template and the plate needs to be solved, the traditional connection mode of welding a connecting wire easily causes falling and is inconvenient to disassemble and assemble, and some direct flat-head contact connectors in the prior art are high in cost, large in size, complex in structure installation and not in line with the requirement of miniaturization of 5G equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a board is to butt joint formula radio frequency coaxial connector, and small installation is simple.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a board to board butt joint formula radio frequency coaxial connector which characterized in that: contain the movable conductor, the center conductor, a spring, the insulator, shell and outer conductor, center conductor one end tip is provided with the first blind hole that matches with the movable conductor, the movable conductor slides and sets up in the first blind hole of center conductor, the spring setting is in first blind hole and for the movable conductor provides the axial elasticity of movable conductor, set up the stop gear who is used for restricting the movable conductor to stretch out center conductor length between movable conductor and the center conductor, the insulator cover is established in the center conductor outside, the shell sets up in the insulator outside, the outer conductor sets up at shell one end tip.
Further, the outside of activity conductor is provided with the wedge barb of protruding in the activity conductor side, and the wedge barb is the annular along activity conductor circumference and distributes in the activity conductor outside, corresponds wedge barb position on the first blind hole inner wall of center conductor and is provided with annular recess, and the wedge barb slides and sets up in the recess and can follow first blind hole axial slip.
Furthermore, a circle of convex ring is arranged on the outer side of the end part of the movable conductor, which is positioned in the first blind hole of the central conductor, the cross section of the convex ring is an arc protruding towards the outer side of the movable conductor, and one point on the outermost side of the arc of the convex ring is in sliding contact with the inner wall of the first blind hole of the central conductor.
Furthermore, a second blind hole matched with the spring is formed in one end, located in the blind hole, of the central conductor, the spring is arranged in the first blind hole and the second blind hole, one end of the spring is located at the bottom of the second blind hole of the central conductor, the other end of the spring is located at the bottom of the movable conductor, and the spring is always in a compression state and provides axial movement elasticity for the movable conductor.
Furthermore, the part of the movable conductor sliding in the central conductor is provided with a plurality of slotted structures along the circumferential direction so as to keep certain elasticity, the convex ring structure of the movable conductor is in good contact with the central conductor, and the slots extend from one end of the convex ring on the movable conductor to the other end of the convex ring.
Furthermore, an accommodating cavity matched with the central conductor is formed in the insulator, the insulator is sleeved on the outer side of the central conductor, a wedge-shaped buckle used for limiting and fixing the axial side is arranged between the inner wall of the accommodating cavity of the insulator and the central conductor, and a step structure used for limiting and fixing the axial side is further arranged between the inner wall of the accommodating cavity of the insulator and the central conductor.
Further, the shell is sleeved on the outer side of the insulator, a groove structure is arranged at one end of the shell, the outer conductor is made of conductive silicon rubber, an annular groove matched with the groove structure is formed in the inner side of the outer conductor, the outer conductor is clamped on the groove structure in the outer side of the end of the shell through the annular groove, and one side of the outer conductor protrudes inwards to the end of the outer side.
Furthermore, a flange structure is arranged at the other end of the shell, a terminal is arranged on the outer side face of the flange structure, and two poles of the terminal are respectively connected with the central conductor and the outer conductor.
Compared with the prior art, the utility model, have following advantage and effect:
1. the coaxial connector of the utility model has simple structure installation, the components directly adopt simple plug-in mounting structures, thus the installation and the disassembly are convenient and rapid, and other installation structures are not needed to be designed for the structure, thereby greatly simplifying the whole structure and reducing the volume of the whole connector;
2. the utility model provides a board to the floating problem of being connected and nonpolarity connection of electronic unit between the board, use electrically conductive silicon rubber and PCB board to be connected and replaced with metal casing between the rigid contact for the contact is good, has elasticity again and can produce the displacement, can realize floating connection, sealed, performance such as taking precautions against earthquakes.
Drawings
Fig. 1 is a schematic diagram of a board-to-board butt type rf coaxial connector according to the present invention.
Fig. 2 is a partial enlarged view of the board-to-board flush radio frequency coaxial connector of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1 and 2, the utility model discloses a board-to-board butt joint formula radio frequency coaxial connector, contain movable conductor 1, central conductor 2, spring 3, insulator 4, shell 5 and outer conductor 6, 2 one end tip of central conductor is provided with the first blind hole 7 that matches with movable conductor 1, movable conductor 1 slides and sets up in central conductor 2's first blind hole 7, spring 3 sets up in first blind hole 7 and provides 1 axial elasticity of movable conductor for movable conductor 1, set up the stop gear who is used for restricting movable conductor 1 to stretch out central conductor length between movable conductor 1 and the central conductor 2, 4 covers of insulator are established in the 2 outsides of central conductor, shell 5 sets up in the 4 outsides of insulator, outer conductor 6 sets up at 5 one end tip of shell.
The structure of the limiting mechanism between the movable conductor 1 and the central conductor 2 is as follows: the outside of movable conductor 1 is provided with the wedge barb 8 of protruding in movable conductor 1 side, and wedge barb 8 is the annular along 1 circumference of movable conductor and distributes in the movable conductor 1 outside, and it is provided with annular recess 9 to correspond wedge barb 8 position on the 7 inner walls of first blind hole of central conductor 2, and wedge barb 8 slides and sets up in recess 9 and can follow 7 axial slips of first blind hole. When wedge barb 8 slides to the leftmost position, the end face of wedge barb 8 abuts against the left end face of groove 9 to restrict the length of movable conductor 1 protruding out of the center conductor. A step structure is further arranged in the first blind hole and used for limiting the maximum position of the right end of the movable conductor 1.
A circle of convex ring 10 is arranged on the outer side of one end part of the movable conductor 1 in the first blind hole 7, the cross section of the convex ring 10 is an arc protruding towards the outer side of the movable conductor, and one point on the outermost side of the arc of the convex ring 10 is in sliding contact with the inner wall of the first blind hole 7. Therefore, through the arc design of the convex ring 10, the movable conductor is in point contact with the first blind hole 7, the contact area between the movable conductor and the first blind hole is reduced, and the movable conductor and the first blind hole slide smoothly.
The one end that the movable conductor 1 is located first blind hole 7 is opened has a second blind hole 11 that matches with spring 3, and spring 3 sets up in first blind hole 7 and second blind hole 11, and 3 one ends of spring are located second blind hole 11 bottoms, and the 3 other ends of spring are located first blind hole 7 bottoms, and spring 3 is in the compression state all the time and provides axial elasticity for movable conductor 1. Two notches 12 are arranged on two sides of the movable conductor 1, the notches 12 extend a certain distance from one end of the movable conductor 1, which is positioned in the first blind hole 7, to the other end, and the two notches 12 are symmetrically arranged on two sides of the movable conductor 1. Through the design of two notches 12, the movable conductor has certain compression elasticity, so that the movable conductor can be directly inserted along the first blind hole of the central conductor 2, and the installation process is simplified.
The insulator 4 is internally provided with an accommodating cavity matched with the central conductor 2, the insulator 4 is sleeved outside the central conductor 2, a wedge-shaped buckle 13 for limiting and fixing one axial side is arranged between the inner wall of the accommodating cavity of the insulator 4 and the central conductor 2, and a step structure 14 for limiting and fixing the other axial side is also arranged between the inner wall of the accommodating cavity of the insulator 4 and the central conductor 2. During the installation, directly insert central conductor 2 in the appearance chamber in insulator 4, when central conductor 2 step and the step overlapping contact in central conductor 2 appearance chamber, wedge buckle 13 also block each other to fix central conductor 2 firmly in insulator 4.
The 5 covers of shell are established in the 4 outsides of insulator, and the one end tip of shell 5 is provided with annular groove structure, and outer conductor 6 adopts electrically conductive silicon rubber material to make, and 6 inboards of outer conductor are provided with the ring channel that matches with groove structure, and outer conductor 6 passes through the ring channel card to be established on the groove structure in the 5 tip outsides of shell and one side of outer conductor is protruding in outside end. Compared with the manufacturing of a metal elastomer (beryllium bronze), the outer conductor made of the conductive silicone rubber has the advantages of lower cost, direct clamping structure, convenience and simplicity, and no need of designing a redundant mounting structure, thereby reducing the volume of the outer conductor.
The other end of the shell 5 is provided with a flange structure 15, the outer side surface of the flange structure 15 is provided with a terminal 16, and two poles of the terminal 16 are respectively connected with the central conductor 2 and the outer conductor 6.
When the coaxial connector is used, the flat head contact is arranged on the PCB 17, the coaxial connector of the embodiment is directly pressed on the contact of the PCB, the outer conductor is attached to the outer ring of the flat head contact, and the movable conductor is contacted with the inner round contact of the contact under the action of the spring.
The coaxial connector of the utility model has simple structure installation, the components directly adopt simple plug-in mounting structures, thus the installation and the disassembly are convenient and rapid, and other installation structures are not needed to be designed for the structure, thereby greatly simplifying the whole structure and reducing the volume of the whole connector; the utility model provides a board to the floating problem of being connected and nonpolarity connection of electronic unit between the board, use electrically conductive silicon rubber and PCB board to be connected and replaced with metal casing between the rigid contact for the contact is good, has elasticity again and can produce the displacement, can realize floating connection, sealed, performance such as taking precautions against earthquakes.
The above description in this specification is merely illustrative of the present invention. Those skilled in the art can make various modifications or additions to the described embodiments or substitute them in a similar manner without departing from the scope of the present invention as defined in the following claims.
Claims (8)
1. A board to board butt joint formula radio frequency coaxial connector which characterized in that: contain the movable conductor, the center conductor, a spring, the insulator, shell and outer conductor, center conductor one end tip is provided with the first blind hole that matches with the movable conductor, the movable conductor slides and sets up in the first blind hole of center conductor, the spring setting is in first blind hole and for the movable conductor provides the axial elasticity of movable conductor, set up the stop gear who is used for restricting the movable conductor to stretch out center conductor length between movable conductor and the center conductor, the insulator cover is established in the center conductor outside, the shell sets up in the insulator outside, the outer conductor sets up at shell one end tip.
2. A board-to-board butt radio frequency coaxial connector according to claim 1, wherein: the outer side of the movable conductor is provided with a wedge-shaped barb protruding from the side face of the movable conductor, the wedge-shaped barb is annularly distributed on the outer side of the movable conductor along the circumferential direction of the movable conductor, an annular groove is formed in the inner wall of the first blind hole of the central conductor and corresponds to the position of the wedge-shaped barb, and the wedge-shaped barb is arranged in the groove in a sliding mode and can slide along the axial direction of the first blind hole.
3. A board-to-board butt radio frequency coaxial connector according to claim 2, wherein: the outer side of the end part of the movable conductor, which is positioned in the first blind hole of the central conductor, is provided with a circle of convex ring, the section of the convex ring is an arc which protrudes towards the outer side of the movable conductor, and one point on the outermost side of the arc of the convex ring is in sliding contact with the inner wall of the first blind hole of the central conductor.
4. A board-to-board butt radio frequency coaxial connector according to claim 2, wherein: the spring is arranged in the first blind hole and the second blind hole, one end of the spring is located at the bottom of the second blind hole of the center conductor, the other end of the spring is located at the bottom of the movable conductor, and the spring is always in a compression state to provide axial movement elasticity for the movable conductor.
5. A board-to-board butt radio frequency coaxial connector according to claim 4, wherein: the sliding part of the movable conductor in the central conductor is provided with a plurality of slotted structures along the circumferential direction so as to keep certain elasticity, the convex ring structure of the movable conductor is in good contact with the central conductor, and the slot extends from one end of the convex ring on the movable conductor to the other end.
6. A board-to-board butt radio frequency coaxial connector according to claim 1, wherein: the insulator is internally provided with an accommodating cavity matched with the central conductor, the insulator is sleeved outside the central conductor, a wedge-shaped buckle for limiting and fixing one axial side is arranged between the inner wall of the accommodating cavity of the insulator and the central conductor, and a step structure for limiting and fixing the other axial side is also arranged between the inner wall of the accommodating cavity of the insulator and the central conductor.
7. A board-to-board butt radio frequency coaxial connector according to claim 1, wherein: the outer shell is arranged on the outer side of the insulator in a sleeved mode, a groove structure is arranged at one end portion of the outer shell, the outer conductor is made of conductive silicon rubber, an annular groove matched with the groove structure is formed in the inner side of the outer conductor, the outer conductor is clamped on the groove structure in the outer side of the end portion of the outer shell through the annular groove, and one side of the outer conductor protrudes inwards to the outer end portion.
8. A board-to-board butt radio frequency coaxial connector according to claim 7, wherein: the other end of the shell is provided with a flange structure, a terminal is arranged on the outer side face of the flange structure, and two poles of the terminal are respectively connected with the central conductor and the outer conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922130618.0U CN211017647U (en) | 2019-12-03 | 2019-12-03 | Board-to-board butt joint type radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922130618.0U CN211017647U (en) | 2019-12-03 | 2019-12-03 | Board-to-board butt joint type radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017647U true CN211017647U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922130618.0U Active CN211017647U (en) | 2019-12-03 | 2019-12-03 | Board-to-board butt joint type radio frequency coaxial connector |
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| CN (1) | CN211017647U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083200A (en) * | 2020-09-11 | 2020-12-15 | 苏州韬盛电子科技有限公司 | Novel high-frequency test socket |
| CN113922118A (en) * | 2021-12-13 | 2022-01-11 | 南京天朗防务科技有限公司 | Radio frequency connector |
| CN114696142A (en) * | 2020-12-25 | 2022-07-01 | 泰科电子(上海)有限公司 | Connector and connector assembly |
| RU2794449C1 (en) * | 2020-09-27 | 2023-04-18 | Чжунтянь Рэдио Фриквенси Кейбл Ко., Лтд. | Mounting structure for transmitting cable connector and transmitting cable connector |
-
2019
- 2019-12-03 CN CN201922130618.0U patent/CN211017647U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083200A (en) * | 2020-09-11 | 2020-12-15 | 苏州韬盛电子科技有限公司 | Novel high-frequency test socket |
| RU2794449C1 (en) * | 2020-09-27 | 2023-04-18 | Чжунтянь Рэдио Фриквенси Кейбл Ко., Лтд. | Mounting structure for transmitting cable connector and transmitting cable connector |
| CN114696142A (en) * | 2020-12-25 | 2022-07-01 | 泰科电子(上海)有限公司 | Connector and connector assembly |
| CN113922118A (en) * | 2021-12-13 | 2022-01-11 | 南京天朗防务科技有限公司 | Radio frequency connector |
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