CN210779300U - Multi-channel radio frequency connector - Google Patents
Multi-channel radio frequency connector Download PDFInfo
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- CN210779300U CN210779300U CN201922082725.0U CN201922082725U CN210779300U CN 210779300 U CN210779300 U CN 210779300U CN 201922082725 U CN201922082725 U CN 201922082725U CN 210779300 U CN210779300 U CN 210779300U
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- insulating body
- conductive terminals
- connector
- shielding shell
- channel
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Abstract
The utility model discloses a multichannel radio frequency connector, include: the cable fixing part comprises an insulating body, signal conductive terminals, grounding conductive terminals, an upper shielding shell, a lower shielding shell and a cable fixing part, wherein at least one grounding conductive terminal is arranged between two opposite signal conductive terminals, and the signal conductive terminals, the grounding conductive terminals and the insulating body are fixed together in an insert molding mode. Compared with the prior art, the assembly efficiency is improved on the premise of ensuring better shielding effect.
Description
Technical Field
The utility model relates to an electric connector technical field especially relates to and is applied to a multichannel radio frequency connector.
Background
Prior art 1(CN109659772A) discloses a multi-channel signal connector, which includes an insulating housing, a plurality of signal conductive terminals, a plurality of ground conductive terminals, an upper housing and a lower housing, wherein the plurality of conductive terminals are generally defined as two types of signal transmission and ground connection, that is, the plurality of conductive terminals can be divided into a plurality of signal conductive terminals and a plurality of ground conductive terminals, the sequence of the signal conductive terminals in the arrangement configuration is defined as a first position, the sequence of the ground conductive terminals in the arrangement configuration is defined as a second position, and the first position and the second position are generally adjacent to each other two by two to achieve a good shielding effect, for example, in this embodiment, the plurality of conductive terminals are 11, the S/G (signal to ground ratio) configuration is 1:1, the outermost side is the second position, and the first position is adjacent to the second position, the number of the signal conductive terminals is 5, the number of the grounding conductive terminals is 6, and only the signal conductive terminals need to be welded on the core wire. During assembly, the insulating shell is installed and clamped in the upper shell; then, the conductive terminals are assembled to the insulating housing and fixed.
The disadvantages are as follows: the conductive terminals are assembled on the insulating shell one by one, time and labor are wasted, and the assembly efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multichannel radio frequency connector, under the better prerequisite of assurance shielding effect, improve the packaging efficiency.
In order to realize the purpose, the utility model discloses the technical scheme who takes is:
there is provided a multi-channel radio frequency connector comprising:
an insulating body;
the signal conductive terminals are arranged on the insulating body, and at least one grounding conductive terminal is arranged between the two opposite signal conductive terminals;
the upper shielding shell is fixed on the top surface of the insulating body;
the lower shielding shell is fixed on the bottom surface of the insulating body;
the cable fixing piece is arranged on the insulating body;
the signal conductive terminals, the grounding conductive terminals and the insulating body are fixed together in an insert molding mode, the lower shielding shell is provided with welding holes, the grounding conductive terminals are welded with the lower shielding shell through the welding holes, and the cable fixing piece is welded with the lower shielding shell.
Preferably, the signal conductive terminal includes a first contact portion, a first fixing portion and a first connecting portion, the first contact portion and the first connecting portion are exposed on the insulating body, and the first fixing portion is disposed inside the insulating body.
Preferably, the ground conductive terminal includes a second contact portion, a second fixing portion and a second portion, the second contact portion and the second connecting portion are disposed on the insulating body in an exposed manner, a front end of the second contact portion extends downward into the welding hole, the front end of the second contact portion is electrically connected to the welding hole by welding, and the second fixing portion is disposed inside the insulating body.
Preferably, the upper end of the insulating body is provided with a tongue portion and a ring side portion surrounding the tongue portion, the lower end of the insulating body is provided with a welding wire receiving portion, the welding wire receiving portion is provided with a first connecting portion positioning groove and a second portion positioning groove, the first contact portion and the second contact portion are both arranged on the tongue portion in an exposed mode, the first connecting portion is arranged in the first connecting portion positioning groove, and the second portion is arranged in the second portion positioning groove.
Preferably, the insulation body is provided with two positioning portions, the two positioning portions are respectively arranged on two sides of the welding wire receiving portion, and the two positioning portions are respectively provided with a cable fixing member positioning groove.
Preferably, the bottom surface of the cable fixing member is on the same horizontal plane as the bottom surface of the insulating body.
Preferably, the upper shielding shell comprises a cover part and a connecting part, the insulating body further comprises a plate-shaped part, two ends of the plate-shaped part are respectively connected with the two positioning parts, the plate-shaped part, the two positioning parts and the cable fixing part form an opening, the first connecting part and the second part are both located in the opening, the cover part is covered with the upper opening of the opening, the lower shielding shell is covered with the lower opening of the opening, and the connecting part covers the outer side surface of the plate-shaped part.
Preferably, the upper shield shell further includes a frame portion fitted with the ring side portion.
Preferably, the insulation body is provided with a first buckling part and a second buckling part, the upper shielding shell is provided with a first buckling groove buckled with the first buckling part, the lower shielding shell is provided with a second buckling groove, and the second buckling groove is buckled with the second buckling part.
The beneficial effects of the utility model reside in that: compared with the prior art, during assembly, the signal conductive terminals, the grounding conductive terminals and the insulating body are fixed together in an insert molding mode, then the grounding conductive terminals are welded with the lower shielding shell through the welding holes, and the cable fixing piece is welded with the lower shielding shell, so that the signal conductive terminals or the grounding conductive terminals are not required to be assembled on the insulating body one by one, the assembly time is reduced, and the assembly efficiency is improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a perspective view of the insulating body according to the embodiment of the present invention;
fig. 4 is another perspective view of the insulating body according to the embodiment of the present invention;
fig. 5 is a schematic structural position diagram of a plurality of signal conductive terminals and a plurality of ground conductive terminals according to an embodiment of the present invention;
fig. 6 is a schematic view of a plurality of signal conductive terminals, a plurality of ground conductive terminals, an insulating body, a cable fixing member and a cable according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of an upper shield shell according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a lower shield shell according to an embodiment of the present invention;
fig. 9 is a schematic structural position diagram of the plate-shaped portion, the two positioning portions and the cable fixing member according to the embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
In addition, for convenience, the connector and the cable may be separately described in some places, but the multi-channel signal connector (simply referred to as a connector) described herein is not limited to the connector itself, and may be a single-finger connector or a combination of the connector and the cable, and the invention also falls within the protection scope of the present invention as long as the corresponding technical solution does not depart from the concept of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment discloses a multi-channel rf connector, including: the cable assembly includes an insulating body 110, signal conductive terminals 120, a ground conductive terminal 130, an upper shield shell 140, a lower shield shell 150, and a cable fixing member 160.
The insulating body 110 is made of thermoplastic resin, and is typically a high frequency material with a low dielectric constant, such as Liquid Crystal Polymer (LCP), to meet the requirement of transmitting high frequency signals.
As shown in fig. 3 and 4, the insulation body 110 includes a tongue plate portion 111, a loop side portion 112 surrounding the periphery of the tongue plate portion, a bonding wire receiving portion 113, two positioning portions (114A and 114B), a plate portion 115, a first buckle portion 116, and a second buckle portion 117.
The tongue portion 111 is formed to protrude from the surface of the insulating body 110, and the tongue portion 111 has a U-shape.
The tongue plate portion 111 is provided with a first contact portion positioning groove 111A and a second contact portion positioning groove 111B.
The number of the first contact positioning slots 111A is the same as that of the signal conductive terminals 120, and the first contact positioning slots 111A are used for positioning the first contact portions 121 described below.
The number of the second contact positioning grooves 111B is the same as that of the ground conductive terminals 130, and functions to position the second contact portions 131 described below.
The ring side 112 is formed on the surface of the insulating body 110 in a protruding manner, and is used for being inserted into the ring side groove of another connector to realize the connection of the two connectors.
The wire receiving portion 113 is formed to protrude from one side of the insulating body 110, has a plate-shaped structure, and is provided with a first connecting portion positioning groove 113A and a second connecting portion positioning groove 113B.
The number of the first connecting portion positioning slots 113A is the same as the number of the signal conductive terminals 120, and the first connecting portions 123 are positioned as described below.
The number of the second positioning grooves 113B is the same as that of the ground conductive terminals 130, and functions to position the second portion 123 described below.
Two positioning parts (114A and 114B) are formed by protruding on the side surface of the insulation body 110 and are of block structures, the two positioning parts (114A and 114B) are respectively positioned on two sides of the welding wire receiving part 113, and the top surfaces (114C and 114D) of the two positioning parts (114A and 114B) are respectively provided with a cable fixing part positioning groove (161A and 161B)
The cable holder positioning grooves (161A and 161B) are used to position the cable holder 160 described below.
The plate-like portion 115 is formed to protrude from the surface of the insulating body 110.
The first buckling parts 116 are two (116A and 116B) and are respectively formed by protruding from the side surfaces of the two positioning parts (114A and 114B) of the insulating body 110, the cross section of the first buckling parts is triangular, and the first buckling parts are used for buckling with a first buckling groove 144 described below, so that the insulating body 110 is connected with the upper shielding shell 140.
The second buckling portions 117 are two (117A and 117B) and are respectively formed by protruding from the side surfaces of the two positioning portions (114A and 114B) of the insulating body 110, and the cross section of the second buckling portions is triangular, and the second buckling portions are used for buckling with a second buckling groove 153 described below, so that the insulating body 110 is connected with the lower shielding shell 150.
The signal conductive terminals 120 are strip-shaped signal conductive terminals 120 made of metal material (usually copper alloy) through a stamping process, in the embodiment, there are five signal conductive terminals 120, and the five signal conductive terminals 120 are arranged at equal intervals.
As shown in fig. 4 to 6, the signal conductive terminal 120 includes a first contact portion 121, a first fixing portion 122 and a first connection portion 123.
The first contact portion 121 is fixed in the first contact portion positioning slot 111A and disposed on the tongue portion 111 in an exposed manner, and the first contact portion 121 is used for contacting with a contact portion of a signal conductive terminal of another mating connector to transmit signals and/or power.
The first fixing portion 122 is fixed inside the insulating body 110 after the signal conductive terminal 120, the ground conductive terminal 130 and the insulating body 110 are insert-molded, and through the above structure, the signal conductive terminal 120 can be stably fixed on the insulating body 110.
As shown in fig. 6, the first connecting portion 123 is disposed on the first connecting portion positioning groove 113A and electrically connected to the core 210 of the cable 200 by soldering to transmit signals and/or power.
The ground conductive terminals 130 are strip-shaped ground conductive terminals 130 made of metal material (usually copper alloy) by a stamping process, and the number of the ground conductive terminals 130 in this embodiment is six, and the six ground conductive terminals 130 are arranged at equal intervals.
As shown in fig. 4 to 6, the ground conductive terminal 130 includes a second contact portion 131, a second fixing portion 132 and a second portion 133.
The second contact portion 131 is fixed in the second contact portion positioning slot 111B, and is disposed on the tongue portion 111 in an exposed manner, and is used for contacting with a contact portion of a ground conductive terminal of another mating connector, so as to jointly play a role of shielding.
The second fixing portion 132 is fixed inside the insulating body 110 after the signal conductive terminal 120, the ground conductive terminal 130 and the insulating body 110 are insert-molded, and through the above structure, the ground conductive terminal 130 can be stably fixed on the insulating body 110.
The second portion 133 is disposed on the second portion positioning groove 113B and located between two opposite first connecting portions 123, so as to prevent crosstalk between the first connecting portions 123.
The upper shield shell 140 is made of a metal material (typically stainless steel or copper alloy) through a stamping process, and is connected to a ground potential to function as an outer shield.
As shown in fig. 7, the upper shield case 140 includes a cover portion 141, a connection portion 142, a frame portion 143, and a first catching groove 144.
The cover 141 has a plate-shaped structure, and first side portions (141A and 141B) are provided at both sides of the cover 141, and the first side portions (141A and 141B) are formed by bending both sides of the cover 141.
The connecting portion 142 has a plate-like structure, including a first plane 142A and a second plane 142B,
as shown in fig. 3, the first plane 142A is located on a surface of the insulating body 110 for protecting the surface 110A.
As shown in fig. 3, the second plane 142B is located on the outer side surface 115A of the plate-like portion 115, and is perpendicular to the first plane 142A to protect the outer side surface 115A.
The frame portion 143 has a frame-like structure, and covers the upper side surface 112A and the outer side surface 112B of the ring side portion 112 to protect the upper side surface 112A and the outer side surface 112B, as shown in fig. 3.
The two first fastening grooves 144 are respectively disposed on the first side portions (141A and 141B), and the first fastening grooves 144 are fastened to the first fastening portions 116, so that the insulation body 110 is connected to the upper shielding shell 140.
The lower shield shell 150 is made of a metal material (typically stainless steel or a copper alloy) through a stamping process, which is connected to a ground potential to function as an outer shield.
As shown in fig. 8, the lower shield shell 150 includes a second side portion 151, a second catching groove 152, and a welding hole 153.
The second side portion 151 has a plate-like structure and two (151A and 151B), and is formed by bending one side of the lower shield shell 150.
The two second fastening grooves 152 (152A and 152B) are respectively disposed on the two second side portions (151A and 151B), and the second fastening grooves 152 are fastened with the second fastening portions 117 to connect the insulating body 110 and the lower shielding shell 150.
The number of the soldering holes 153 is the same as that of the ground conductive terminals 130, the soldering holes 153 are through holes, the front end 131A of the second contact portion 131 extends downward into the soldering holes 153, and the front end 131A of the second contact portion is electrically connected to the soldering holes 153 by soldering.
As shown in fig. 6, the cable fixing member 160 is a block structure, as shown in fig. 4, it is fixed in the cable fixing member positioning grooves (161A and 161B), the cable fixing member 160 is provided with cable fixing holes (not shown) for positioning and fixing a plurality of cables 200, the cables 200 are collected and electrically connected to the cable fixing member 160 (which may be welded or snap-assembled) through the shielding layer thereof to form a whole, as shown in fig. 9, the upper side 160A of the cable fixing member 160, the upper side 115B of the plate-shaped portion 115, and the upper sides (114C and 114D) of the two positioning portions (114A and 114B) are on the same horizontal plane.
In order to solve the problem of low assembly efficiency in the prior art, the utility model discloses a with signal conductive terminal 120, ground connection conductive terminal 130 with insulator 110 is together fixed through insert molding's mode, then ground connection conductive terminal 130 through welding hole 153 with shielding shell 150 welding down, cable mounting 160 with shielding shell 150 welding down, compare with prior art, do not need one by one to assemble signal conductive terminal 120 or ground connection conductive terminal 130 to insulator 110, reduced the equipment time, improve the packaging efficiency. In addition, at least one grounding conductive terminal 130 is disposed between the two opposite signal conductive terminals 120, so that the influence of crosstalk between the two opposite signal conductive terminals 120 is effectively reduced, and the grounding conductive terminal 130 plays a role in shielding.
The insert molding is a molding method in which a predetermined insert made of a different material is placed in a mold, a resin is injected, and the molten material is bonded to the insert and solidified to form an integrated product.
Preferably, as shown in fig. 9, the plate-shaped portion 115, the two positioning portions (114A and 114B) and the cable fixing member 160 form an opening 170, the first connecting portion 123 and the second portion 133 are both located in the opening 170, the cover portion 141 covers the upper opening of the opening 170, and the lower shielding shell 150 covers the lower opening of the opening 170, so that the first connecting portion 123 and the cable core 200 are covered in one shielding layer, and interference of external EMI on the first connecting portion 123 and the cable core 210 of the cable 200 is effectively reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A multi-channel radio frequency connector, comprising:
an insulating body;
the signal conductive terminals are arranged on the insulating body, and at least one grounding conductive terminal is arranged between the two opposite signal conductive terminals;
the upper shielding shell is fixed on the top surface of the insulating body;
the lower shielding shell is fixed on the bottom surface of the insulating body;
the cable fixing piece is arranged on the insulating body;
the signal conductive terminals, the grounding conductive terminals and the insulating body are fixed together in an insert molding mode, the lower shielding shell is provided with welding holes, the grounding conductive terminals are welded with the lower shielding shell through the welding holes, and the cable fixing piece is welded with the lower shielding shell.
2. A multi-channel rf connector as claimed in claim 1, wherein: the signal conductive terminal comprises a first contact part, a first fixing part and a first connecting part, wherein the first contact part and the first connecting part are arranged on the insulating body in an exposed mode, and the first fixing part is arranged inside the insulating body.
3. A multi-channel rf connector as claimed in claim 2, wherein: the grounding conductive terminal comprises a second contact part, a second fixing part and a second part, the second contact part and the second connecting part are arranged on the insulating body in an exposed mode, the front end of the second contact part extends downwards into the welding hole, the front end of the second contact part is electrically connected with the welding hole through welding, and the second fixing part is arranged inside the insulating body.
4. A multi-channel rf connector as claimed in claim 3, wherein: the upper end of the insulating body is provided with a tongue plate portion and a ring side portion surrounding the tongue plate portion, the lower end of the insulating body is provided with a welding wire receiving portion, the welding wire receiving portion is provided with a first connecting portion positioning groove and a second portion positioning groove, the first contact portion and the second contact portion are arranged on the tongue plate portion in an exposed mode, the first connecting portion is arranged in the first connecting portion positioning groove, and the second portion is arranged in the second portion positioning groove.
5. A multi-channel rf connector as claimed in claim 4, wherein: the insulation body is provided with two positioning parts which are respectively arranged at two sides of the welding wire receiving part, and the two positioning parts are respectively provided with a cable fixing part positioning groove.
6. A multi-channel rf connector as claimed in claim 5, wherein: the bottom surface of the cable fixing piece and the bottom surface of the insulating body are on the same horizontal plane.
7. A multi-channel rf connector as claimed in claim 6, wherein: the upper shielding shell comprises a cover part and a connecting part, the insulating body further comprises a plate-shaped part, two ends of the plate-shaped part are respectively connected with the two positioning parts, the plate-shaped part, the two positioning parts and the cable fixing part form an opening, the first connecting part and the second part are both located in the opening, the cover part is covered with an upper opening of the opening, the lower shielding shell is covered with a lower opening cover of the opening, and the connecting part covers the outer side face of the plate-shaped part.
8. A multi-channel rf connector as claimed in claim 7, wherein: the upper shield shell further includes a frame portion that mates with the collar side portion.
9. A multi-channel rf connector as claimed in any one of claims 1 to 8, wherein: the insulation body is provided with a first buckling part and a second buckling part, the upper shielding shell is provided with a first buckling groove buckled with the first buckling part, the lower shielding shell is provided with a second buckling groove, and the second buckling groove is buckled with the second buckling part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082725.0U CN210779300U (en) | 2019-11-28 | 2019-11-28 | Multi-channel radio frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082725.0U CN210779300U (en) | 2019-11-28 | 2019-11-28 | Multi-channel radio frequency connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210779300U true CN210779300U (en) | 2020-06-16 |
Family
ID=71049378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922082725.0U Active CN210779300U (en) | 2019-11-28 | 2019-11-28 | Multi-channel radio frequency connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210779300U (en) |
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2019
- 2019-11-28 CN CN201922082725.0U patent/CN210779300U/en active Active
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