CN211605561U - Stable and reliable coaxial connector combination structure - Google Patents
Stable and reliable coaxial connector combination structure Download PDFInfo
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- CN211605561U CN211605561U CN201922468870.2U CN201922468870U CN211605561U CN 211605561 U CN211605561 U CN 211605561U CN 201922468870 U CN201922468870 U CN 201922468870U CN 211605561 U CN211605561 U CN 211605561U
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Abstract
The utility model discloses a stable and reliable coaxial connector combination structure, which comprises a socket connector and a plug connector which are oppositely plugged; the socket connector comprises a first insulator, a first shielding shell and a central terminal; the central terminal and the shielding shell are both embedded, molded and fixed on the first insulator, and the first shielding shell is of a tensile structure and is provided with an insertion cavity; the plug connector comprises a second insulator, a second shielding shell and a central needle; the second shielding shell is wrapped outside the second insulator, and the front end of the second shielding shell is provided with a plurality of arc-shaped elastic sheets. Through being tensile structure with first shield shell, guarantee that EMC is stable and ground connection, central terminal and shield shell all inlay the shaping simultaneously and fix on first insulator, add intensity and guarantee that electrical property is stable to and utilize a plurality of circular arc shell fragments to insert plant in the chamber and with the inner wall elastic contact who plants the chamber, guarantee the stability of direction and contact, make signal transmission more reliable and stable.
Description
Technical Field
The utility model belongs to the technical field of the connector technique and specifically relates to indicate a reliable and stable type coaxial connector integrated configuration.
Background
A radio frequency coaxial connector (simply referred to as an RF connector) is generally considered to be a component attached to a cable or mounted on an instrument as a component to which a transmission line is electrically connected or separated. It belongs to a mechatronic product.
At present, because of unreasonable structural design, the coaxial connector combination structure causes unstable EMC and unreliable grounding, and the stability of plug contact between the socket connector and the plug connector is not good, thereby affecting signal transmission. Therefore, there is a need for an improved coaxial connector assembly.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a stable and reliable coaxial connector assembly structure, which can effectively solve the problems of unstable EMC, unreliable ground connection and poor contact stability of the conventional coaxial connector assembly structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a stable and reliable coaxial connector combination structure comprises a socket connector and a plug connector which are oppositely plugged with each other;
the socket connector comprises a first insulator, a first shielding shell and a central terminal; the central terminal and the shielding shell are both embedded, molded and fixed on the first insulator, the first shielding shell is of a stretching structure and is provided with an insertion cavity, the central terminal is provided with a first contact part, the first contact part is positioned at the center of the insertion cavity, and the center of the first contact part is provided with an insertion hole;
the plug connector comprises a second insulator, a second shielding shell and a central needle; the second shielding shell is wrapped outside the second insulator, the front end of the second shielding shell is provided with a plurality of arc-shaped elastic sheets which surround to form an accommodating cavity, and the arc-shaped elastic sheets are inserted into the insertion cavity and elastically contacted with the inner wall of the insertion cavity; the center pin is fixed on the second insulator and is provided with a second contact part which is inserted into the jack to be in contact conduction with the first contact part.
As a preferable scheme, the first contact portion includes a plurality of arc flanging spring pieces, the plurality of arc flanging spring pieces surround to form the insertion hole, the second contact portion is cylindrical, and the plurality of arc flanging spring pieces are in elastic contact with the outer wall of the second contact portion.
As a preferred scheme, the number of the arc flanging elastic pieces is three.
Preferably, the second insulator and the second shielding shell are both cylindrical, the outer diameter of the front end of the second shielding shell is smaller than that of the rear end of the second shielding shell, and the second insulator is arranged inside the rear end of the second shielding shell.
As a preferred scheme, the circular arc shrapnel is six which are arranged at equal intervals.
Preferably, the outer wall of the second insulator is concavely provided with a clamping groove, the outer wall of the second shielding shell is concavely and inwards provided with a clamping point, and the clamping point is clamped in the clamping groove for fixing.
As a preferred scheme, the number of the clamping grooves is three, the three clamping grooves are equally distributed at intervals of a circumference of 120 degrees, correspondingly, the number of the clamping points is also three, and the three clamping points are clamped into the corresponding clamping grooves for fixation.
Preferably, the central needle is fixed with the second insulator in an insert molding mode, and the central needle is located in the central position of the second insulator.
Preferably, the front end face of the second insulator is provided with an inner sealing member, the inner sealing member is annular, and the inner sealing member is located in the second shielding shell and sleeved outside the central needle.
Preferably, a cap is provided for the insertion chamber for covering the insertion chamber when not in use.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
one, through being tensile structure with first shielding shell, guarantee that EMC is stable and ground connection, central terminal and shielding shell all inlay the shaping simultaneously and fix on first insulator, increase intensity and guarantee that electrical property is stable to and utilize a plurality of circular arc shell fragments to insert plant in the chamber and with the inner wall elastic contact who plants the chamber, guarantee the stability of direction and contact, make signal transmission more reliable and stable.
And secondly, by arranging the arc flanging elastic sheet, the stability of guiding and contact is ensured when the arc flanging elastic sheet is inserted into the center.
And thirdly, a clamping groove is concavely arranged on the outer wall of the second insulator, the outer concave inner side of the second shielding shell is convex, a clamping point is inwards convex, and the clamping point is clamped into the clamping groove for fixation so as to perform axial front and back stopping action, so that the product structure is more stable.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of the socket connector separated from the cap according to the preferred embodiment of the present invention;
FIG. 2 is an assembled perspective view of the socket connector according to the preferred embodiment of the present invention;
FIG. 3 is an exploded view of the receptacle connector according to the preferred embodiment of the present invention;
fig. 4 is an assembled perspective view of the plug connector according to the preferred embodiment of the present invention;
fig. 5 is an exploded view of the plug connector in accordance with the preferred embodiment of the present invention;
fig. 6 is a sectional view of the preferred embodiment of the present invention in use.
The attached drawings indicate the following:
10. socket connector 11, first insulator
12. First shielding shell 121, insert cavity
122. Welding pin 13, center terminal
131. First contact part 132 and fixing part
133. Weld part 14, cap
101. Jack 102 and arc flanging spring piece
20. Plug connector 21, second insulator
211. Card slot 22 and second shielding shell
221. Arc spring 222 and clip point
23. Center pin 231, second contact part
24. Inner seal 201, receiving cavity.
Detailed Description
Referring to fig. 1 to 6, specific structures of the preferred embodiment of the present invention are shown, including the socket connector 10 and the plug connector 20 that are opposite to each other.
As shown in fig. 1 to 3, the receptacle connector 10 includes a first insulator 11, a first shielding shell 12, and a center terminal 13; the first insulator 11 is a substrate structure, the central terminal 13 and the shielding shell 12 are both insert-molded and fixed on the first insulator 11, so as to increase strength and ensure stable electrical performance, the first shielding shell 12 is a tensile structure and has an insertion cavity 121, so as to ensure stable EMC and grounding, the central terminal 13 has a first contact portion 131, the first contact portion 131 is located at the center of the insertion cavity 121, and the center of the first contact portion 131 has a jack 101; in this embodiment, the first contact portion 131 includes a plurality of arc flanging spring pieces 102, the plurality of arc flanging spring pieces 102 form the insertion hole 101 around, and the number of the arc flanging spring pieces 102 is not limited. And, a cap 14 for covering the insertion chamber 121 when not in use is provided for the insertion chamber 121. In addition, two welding legs 122 extend radially and symmetrically from the bottom of the first shielding shell 12, the two welding legs 122 extend out of two sides of the first insulator 11, a fixing portion 132 and a welding portion 133 extend from the bottom end of the central terminal 13, the fixing portion 132 is embedded in the first insulator 11, and the welding portion 133 extends out of the first insulator 11.
As shown in fig. 4 and 5, the plug connector 20 includes a second insulator 21, a second shield shell 22, and a center pin 23; the second shielding shell 22 is wrapped outside the second insulator 21, the front end of the second shielding shell 22 is provided with a plurality of arc-shaped spring pieces 221, the plurality of arc-shaped spring pieces 221 surround to form an accommodating cavity 201, and the plurality of arc-shaped spring pieces 221 are inserted into the insertion cavity 121 and elastically contact with the inner wall of the insertion cavity 121, so that the guiding and contacting stability is ensured; the center pin 23 is fixed on the second insulator 21, and the center pin 23 has a second contact portion 231, and the second contact portion 231 is inserted into the insertion hole 101 to be in contact with the first contact portion 131. In this embodiment, the arc elastic pieces 221 are six at equal intervals, the second contact portion 231 is cylindrical, and the arc outward-flanged elastic pieces 102 are in elastic contact with the outer wall of the second contact portion 231, so as to ensure the stability of guiding and contacting. And, the second insulator 21 and the second shielding shell 22 are both cylindrical, the outer diameter of the front end of the second shielding shell 22 is smaller than that of the rear end, and the second insulator 21 is disposed inside the rear end of the second shielding shell 22.
And the outer wall of the second insulator 21 is concavely provided with a clamping groove 211, the outer wall of the second shielding shell 22 is concavely and inwards provided with a clamping point 222, and the clamping point 222 is clamped and fixed in the clamping groove 211 to perform axial front and back stopping action. In this embodiment, there are three card slots 211, the three card slots 211 are equally arranged at intervals of 120 ° circumference, correspondingly, there are three card points 222, and the three card points 222 are clamped and fixed in the corresponding card slots 211.
In addition, the center pin 23 is fixed with the second insulator 21 by insert molding, the center pin 23 is located at the center of the second insulator 21, an inner sealing element 24 is arranged on the front end face of the second insulator 21, the inner sealing element 24 is annular, and the inner sealing element 24 is located in the second shielding shell 22 and is sleeved outside the center pin 23, so that a good waterproof sealing effect is achieved.
Detailed description the assembly process of this embodiment is as follows:
first, the first shield shell 12 and the center terminal 13 are placed in an injection mold to injection mold the first insulator 11, thereby obtaining the receptacle connector 10; and fixing the center pin 23 on the second insulator 21, fitting the inner seal 24, and fitting the second shield shell 22 over the second insulator 21, thereby obtaining the plug connector 20.
When not in use, the plug connector 20 is separated from the receptacle connector 10, and the cap 14 is inserted into the insertion cavity 121 to cover the opening of the insertion cavity 121. When in use, the plug connector 20 and the receptacle connector 10 are inserted into place, the plurality of circular arc-shaped spring pieces 221 are inserted into the insertion cavity 121 and elastically contact with the inner wall of the insertion cavity 121, and the second contact portion 231 is inserted into the insertion hole 101 and is in contact conduction with the first contact portion 131, so that circuit connection is realized.
The utility model discloses a design focus lies in: firstly, through being tensile structure with first shielding shell, guarantee that EMC is stable and ground connection, central terminal and shielding shell are all inlayed the shaping simultaneously and are fixed on first insulator, increase intensity and guarantee that electrical property is stable to and utilize a plurality of circular arc shell fragments to insert in inserting the chamber and with the inner wall elastic contact who inserts the chamber, guarantee the stability of direction and contact, make signal transmission more reliable and stable. Secondly, through setting up circular arc flanging shell fragment, when inserting with the center to, guarantee the stability of direction and contact. Moreover, through the concave draw-in groove that is equipped with in the outer wall of second insulator, this second shielding shell is concave inwards protruding and inwards protruding be equipped with the stuck point outward, utilizes the stuck point card to go into the draw-in groove and fixes to carry out axial front and back stopping effect, make more firm of product structure.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A stable and reliable coaxial connector combination structure comprises a socket connector and a plug connector which are oppositely plugged with each other; the method is characterized in that:
the socket connector comprises a first insulator, a first shielding shell and a central terminal; the central terminal and the shielding shell are both embedded, molded and fixed on the first insulator, the first shielding shell is of a stretching structure and is provided with an insertion cavity, the central terminal is provided with a first contact part, the first contact part is positioned at the center of the insertion cavity, and the center of the first contact part is provided with an insertion hole;
the plug connector comprises a second insulator, a second shielding shell and a central needle; the second shielding shell is wrapped outside the second insulator, the front end of the second shielding shell is provided with a plurality of arc-shaped elastic sheets which surround to form an accommodating cavity, and the arc-shaped elastic sheets are inserted into the insertion cavity and elastically contacted with the inner wall of the insertion cavity; the center pin is fixed on the second insulator and is provided with a second contact part which is inserted into the jack to be in contact conduction with the first contact part.
2. The robust coaxial connector assembly of claim 1, wherein: the first contact part comprises a plurality of arc flanging elastic pieces, the arc flanging elastic pieces surround the jack to form the jack, the second contact part is cylindrical, and the arc flanging elastic pieces are in elastic contact with the outer wall of the second contact part.
3. The robust coaxial connector assembly of claim 2, wherein: the number of the arc outward flanging elastic pieces is three.
4. The robust coaxial connector assembly of claim 1, wherein: the second insulator and the second shielding shell are both cylindrical, the outer diameter of the front end of the second shielding shell is smaller than that of the rear end of the second shielding shell, and the second insulator is arranged inside the rear end of the second shielding shell.
5. The robust coaxial connector assembly of claim 1, wherein: the arc shrapnel is six that the interval equallyd divide and set up.
6. The robust coaxial connector assembly of claim 1, wherein: the outer wall of the second insulator is concavely provided with a clamping groove, the outer wall of the second shielding shell is concavely and inwards convex, and a clamping point is arranged inwards in the concave part and clamped into the clamping groove for fixing.
7. The robust coaxial connector assembly of claim 6, wherein: the three clamping grooves are arranged at equal intervals of 120-degree circumference, correspondingly, the number of the clamping points is three, and the three clamping points are clamped into the corresponding clamping grooves to be fixed.
8. The robust coaxial connector assembly of claim 1, wherein: the central needle is fixedly embedded and molded with the second insulator, and the central needle is positioned at the central position of the second insulator.
9. The robust coaxial connector assembly of claim 1, wherein: the front end face of the second insulator is provided with an inner sealing piece, the inner sealing piece is annular, and the inner sealing piece is positioned in the second shielding shell and sleeved outside the central needle.
10. The robust coaxial connector assembly of claim 1, wherein: a cap is provided for the insertion chamber for covering the insertion chamber when not in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922468870.2U CN211605561U (en) | 2019-12-31 | 2019-12-31 | Stable and reliable coaxial connector combination structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922468870.2U CN211605561U (en) | 2019-12-31 | 2019-12-31 | Stable and reliable coaxial connector combination structure |
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| Publication Number | Publication Date |
|---|---|
| CN211605561U true CN211605561U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922468870.2U Active CN211605561U (en) | 2019-12-31 | 2019-12-31 | Stable and reliable coaxial connector combination structure |
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| CN (1) | CN211605561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690698A (en) * | 2021-08-10 | 2021-11-23 | 昆山嘉华电子有限公司 | Coaxial socket connector |
-
2019
- 2019-12-31 CN CN201922468870.2U patent/CN211605561U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690698A (en) * | 2021-08-10 | 2021-11-23 | 昆山嘉华电子有限公司 | Coaxial socket connector |
| CN113690698B (en) * | 2021-08-10 | 2024-03-15 | 昆山嘉华电子有限公司 | Coaxial socket connector |
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