CN114447679A - Radio frequency socket - Google Patents
Radio frequency socket Download PDFInfo
- Publication number
- CN114447679A CN114447679A CN202210072491.5A CN202210072491A CN114447679A CN 114447679 A CN114447679 A CN 114447679A CN 202210072491 A CN202210072491 A CN 202210072491A CN 114447679 A CN114447679 A CN 114447679A
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- metal conductor
- radio frequency
- conductor seat
- shielding
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- 239000002184 metal Substances 0.000 claims abstract description 206
- 239000004020 conductor Substances 0.000 claims abstract description 192
- 238000003780 insertion Methods 0.000 claims abstract description 47
- 230000037431 insertion Effects 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims description 30
- 239000012212 insulator Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 14
- 238000005192 partition Methods 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a radio frequency socket. The radio frequency socket comprises a metal conductor seat, an insulating shell and a shielding sleeve, an inserting section is arranged on the metal conductor seat and inserted into the insulating shell from back to front, the insulating shell is provided with an insertion matching section, the insertion matching section comprises a circumferential limiting section and a stopping section which are arranged from front to back, the circumferential limiting section is in circumferential limiting fit with the metal conductor seat, the section of the stopping section in the vertical front-back direction is in a U shape, a stopping groove is formed in one of the parallel side wall of the stopping section corresponding to two parallel sides of the U shape and the metal conductor seat, a protrusion is formed in the other parallel side wall, and the stopping groove and the protrusion are matched to limit the metal conductor seat to move backwards. The structure setting that stopping section cross-section is the U-shaped can increase the elastic deformation ability of two parallel lateral walls of stopping section, reduces the risk of two parallel lateral wall permanent deformation of metal conductor seat and insulating casing cartridge in-process, improves metal conductor seat and insulating casing fixed connection's in the connector reliability.
Description
Technical Field
The invention relates to parts of an electric connector, in particular to a device for connecting or disconnecting a connecting part, and particularly relates to a radio frequency socket.
Background
The Mini type FAKRA connector is a well known automotive electronics industry standard connector. The connector comprises a socket and a plug, wherein the socket comprises an insulating shell, a metal conductor seat and a contact component, the contact component comprises a shielding sleeve, an insulator and a contact element which are coaxially assembled, the insulating shell and the metal conductor seat are fixedly connected and arranged in the front-rear direction, and the contact component is inserted into the metal conductor seat from back to front in the inserting direction of the plug and the socket and extends into the insulating shell.
Often adopt interference fit's fixed connection mode between common insulating casing and the metal conductor seat among the prior art, utility model patent document for CN210779132U discloses a FAKRA connector if the grant announces, be equipped with the first location structure who supplies the shell location usefulness in the base in this connector, first location structure is cyclic annular boss, be equipped with the second location structure who matches with first location structure on the shell, second location structure is annular groove, first location structure is connected with second location structure gomphosis, thereby make shell and the mutual gomphosis of base, avoid taking place to shift, make the structure of whole connector compacter.
The above-mentioned mode of adopting the gomphosis connection can cause certain destruction to insulating casing or metal conductor seat, and interference fit in the gomphosis connection mode can lead to the material plastic deformation, has to surpass the risk that the material yield strength leads to permanent deformation, finally leads to the fixed inefficacy, and in addition, interference fit's fixed mode also can cause fixed structure to lose efficacy because insulating material and metal shrinkage factor are inconsistent after the violent change in temperature.
Disclosure of Invention
The invention aims to provide a radio frequency socket to solve the technical problem that a fixing structure between an insulating shell and a metal conductor seat in the socket in the prior art is prone to failure.
The radio frequency socket adopts the following technical scheme:
the radio frequency socket comprises a metal conductor seat and an insulating shell which are fixedly connected, and further comprises a shielding sleeve, an insulator arranged in the shielding sleeve and a contact element inserted in the insulator, wherein the front end of the shielding sleeve is inserted into the insulating shell, the metal conductor seat comprises an insertion section which is inserted into the insulating shell from back to front, the insulating shell is provided with an insertion matching section matched with the insertion section, the insertion matching section comprises a circumferential limiting section and a backstop section which are arranged from front to back, the circumferential limiting section is in limiting matching with the metal conductor seat in the vertical front-back direction, the backstop section comprises two parallel side walls and a connecting wall which is connected with the two parallel side walls, so that the section of the backstop section in the vertical front-back direction is U-shaped, and the metal conductor seat is provided with two conductor seat side walls which are respectively matched with the two parallel side walls of the insulating shell, the matched parallel side walls and the conductor seat side walls are in a group, one of the parallel side walls and the conductor seat side walls in the same group is provided with a backstop groove, the other one of the parallel side walls and the conductor seat side walls is provided with a protrusion, and in the process of inserting the metal conductor seat and the insulating shell, the two parallel side walls on the backstop section elastically deform towards two sides so that the protrusion enters the backstop groove to limit the metal conductor seat and the insulating shell to move in the front-back direction.
The invention has the beneficial effects that: in the connector, the insertion matching section on the insulating shell and the insertion section on the metal conductor seat are inserted and assembled in the insertion direction of the plug and the radio frequency socket, the position of the metal conductor seat in the vertical insertion direction is limited by the circumferential limiting section, the backward movement of the metal conductor seat is limited by the backstop section, the fixed assembly of the metal conductor seat and the insulating shell is realized, and the arrangement of the circumferential limiting section and the backstop section in the front and back direction is favorable for improving the matching length of the metal conductor section and the insulating shell in the front and back direction and improving the coaxiality of the metal conductor seat and the insulating shell; the stopping section of the metal conductor seat is matched with the insulating shell in a stopping manner in the front-back direction through the stopping groove and the protrusion, so that the metal conductor seat and the insulating shell are limited to move in the front-back direction, in the process of inserting the metal conductor seat and the insulating shell, two parallel side walls on the stopping section elastically deform towards two sides, the section of the stopping section is set into a U shape, the elastic deformation capacity of the two parallel side walls can be increased, the risk of permanent deformation of the two parallel side walls in the process of inserting the metal conductor seat and the insulating shell is reduced, and the reliability of fixed connection of the metal conductor seat and the insulating shell in the connector is improved.
Further, the retaining grooves are formed in the parallel side walls, and the protrusions are arranged on the metal conductor seat.
The beneficial effects are as follows: the retaining grooves are formed in the parallel side walls, the wall thickness of the two parallel side walls on the retaining section is increased under the condition that the overall size of the insulating shell is unchanged, the strength of the insulating shell is improved, and the risk of permanent deformation of the parallel side walls of the insulating shell in the assembling process of the insulating shell and the metal conductor seat is reduced.
Further, the retaining groove is provided with a notch with the opening direction the same as that of the U-shaped opening.
The beneficial effects are as follows: the structure that the notch that sets up opening direction and U-shaped opening direction the same on stopping groove is provided with and helps increasing the elastic deformation ability of two parallel lateral walls on the stopping section, further improves metal conductor seat and insulating casing fixed connection's reliability.
Furthermore, the front end face of the protrusion is a guide slope.
The beneficial effects are as follows: the guide slope surface is used for guiding the protrusion and the backstop groove to be assembled in the front-back direction, and the metal conductor seat and the insulating shell are conveniently fixed relatively.
Further, the guide slope surface is a guide slope surface.
The beneficial effects are as follows: the guide inclined plane has better guide performance, and the guide inclined plane is convenient to process.
Furthermore, the U-shaped opening of the stopping section is provided with an opening end face facing the same direction as the U-shaped opening, and the metal conductor seat is provided with a shielding face arranged opposite to the opening end face.
The beneficial effects are as follows: the structure setting of above-mentioned face of sheltering from can reduce and enter into the dust in the metal casing along the gap between stopping groove lateral wall and the arch from stopping groove notch position department, helps improving the protection level of connector.
Further, the projection extends to the shielding face.
The beneficial effects are as follows: the structure is arranged to increase the stop matching area of the metal conductor seat and the insulating shell in the front-back direction, and the reliability of the fixed connection of the metal conductor seat and the insulating shell is improved.
Further, two parallel side walls on the backstop section are symmetrically arranged.
The beneficial effects are as follows: the structure is convenient for processing and manufacturing the insulating shell and the metal conductor seat.
Furthermore, the shielding sleeve is fixedly arranged on the metal conductor seat, the shielding sleeve comprises a shielding section positioned on the front side and a rotation stopping matching section positioned on the rear side, the contact element is inserted into the shielding section, the rotation stopping matching section is provided with a wing plate which is arranged beyond the outer peripheral surface of the shielding section, the shielding sleeve is in rotation stopping matching with the metal conductor seat in the circumferential direction through the wing plate and is in stop matching with the metal conductor seat through the front end surface of the wing plate; the wing plate is provided with a convex part, the shielding sleeve is tightly matched with the metal conductor seat through the convex part on the wing plate so as to realize the fixed installation of the shielding sleeve on the metal conductor seat, and/or the radio frequency socket comprises a stopping piece, the stopping piece is inserted and assembled with the metal conductor seat in the vertical front-back direction, and the shielding sleeve is matched with the stopping piece in a stopping way through the rear end surface of the wing plate.
The beneficial effects are as follows: according to the radio frequency socket, the front side of the shielding sleeve is in stop fit with the metal conductor seat through the front end face of the wing plate, the shielding sleeve is fixedly mounted on the metal base through the tight fit of the protruding part and the metal conductor seat, or the front side of the shielding sleeve is in stop fit with the metal conductor seat through the front end face of the wing plate, and the rear side of the shielding sleeve is in stop fit with the stop piece through the rear end face of the wing plate, so that the shielding sleeve is positioned and assembled in the metal conductor seat, other tools can be avoided in the assembling process, the assembling process of the radio frequency socket is facilitated to be simplified, and the assembling efficiency of the radio frequency socket is improved.
Furthermore, the contact element is a bent contact element, the contact element comprises a first part positioned on the front side and a second part positioned on the rear side, the stop element is a metal stop element, and the metal stop element and the metal conductor seat form a shielding passage for the second part of the contact element to pass through.
The beneficial effects are as follows: the structure helps to reduce loss in the process of transmitting high-frequency signals and improve the transmission performance of the radio frequency socket.
Drawings
Fig. 1 is a schematic view of an assembled and disassembled structure of the rf socket according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of the rf socket according to embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
fig. 4 is a schematic structural diagram of an insulating housing in an embodiment 1 of the rf socket of the present invention;
fig. 5 is a schematic structural diagram of a metal conductor seat in an embodiment 1 of the rf socket of the present invention;
fig. 6 is a schematic structural view of a short shielding sleeve in the rf socket according to the present invention in embodiment 1;
fig. 7 is a schematic structural diagram of a metal conductor seat in an embodiment 1 of the rf socket of the present invention;
fig. 8 is a schematic structural diagram of another view of a metal conductor seat in the rf socket according to the present invention in embodiment 1;
fig. 9 is a schematic structural view of a positional relationship between a shielding sleeve and a metal conductor holder in the rf socket according to the present invention in embodiment 1;
fig. 10 is a schematic structural view of a position relationship between a shielding sleeve and a metal conductor seat and a metal stopper in an rf socket according to an embodiment 1 of the present invention;
FIG. 11 is a schematic view of the metal stop of FIG. 1;
in the figure:
1. a metal conductor mount; 2. an insulating housing; 3. a long shielding sleeve; 4. a short shielding sleeve; 5. a long insulator; 6. a short insulator; 7. a long contact; 8. a short contact; 9. an insertion section; 10. inserting the matching section; 11. a circumferential limiting section; 12. a backstop section; 13. a backstop slot; 14. a protrusion; 15. a guide slope; 16. a shielding surface; 17. an axial stop face; 18. a long mounting hole; 19. a short mounting hole; 20. a metal stopper; 21. a first portion; 22. a second portion; 23. a shielding section; 24. a rotation stopping matching section; 25. a wing plate; 26. the wing plate is raised; 27. a shielding groove; 28. a conductor mount grounding pin; 29. a stopper grounding pin; 30. a front stop surface; 31. a backstop surface; 32. a slot; 33. a conductor mount spacer; 34. a rib is protruded; 35. a stop partition; 36. a right-angle groove; 37. the stop piece is raised; 38. interference fit surfaces; 39. a boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrases "comprising an … …," or the like, do not exclude the presence of such elements, processes, or methods.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
The specific embodiment 1 of the radio frequency socket provided by the invention:
the radio frequency socket is a socket applied to a Mini type FAKRA connector on an automobile. The insertion direction of the plug and the radio frequency socket is defined to be the front-back direction, the radio frequency socket comprises an insulating shell 2 and a metal conductor seat 1 which are fixedly connected, and the radio frequency socket further comprises a contact component arranged in the metal conductor seat 1. The contact member includes a shield sleeve, an insulator, and a contact which are coaxially fitted, and in the present embodiment, the contact member includes a long contact member including a long shield sleeve 3, a long insulator 5, and a long contact 7 which are coaxially fitted together, and a short contact member including a short shield sleeve 4, a short insulator 6, and a short contact 8 which are coaxially fitted together.
As shown in fig. 1, the long contact member and the short contact member in the present embodiment are provided two each, so that four mounting holes for mounting the contact members are formed on the metal conductor holder 1 in the present embodiment. The four mounting holes are arranged corresponding to four corners of the rectangle, the mounting hole corresponding to the long contact member is a long mounting hole 18, and the mounting hole corresponding to the short contact member is a short mounting hole 19. As shown in fig. 1, the two long mounting holes 18 are located on the upper sides of the two short mounting holes 19, and the hole wall of each mounting hole is provided with a rib extending in the axial direction of the mounting hole, so that the shielding sleeve can be inserted into the metal conductor base 1 from the back to the front and can be in interference fit with the metal conductor base 1.
In this embodiment, as shown in fig. 2, the insulating housing 2 is located at the front side of the metal conductor base 1, and is fixedly connected to the metal conductor base 1, four through holes coaxially arranged with the four mounting holes on the metal conductor base 1 are provided in the insulating housing 2, the shielding sleeve passes through the metal conductor base 1 from back to front and is inserted into the corresponding through hole of the insulating housing 2, a convex rib is provided on the hole wall of the through hole of the insulating housing 2, and the front end of the shielding sleeve is inserted into the mounting hole of the insulating housing 2 and is in interference fit with the insulating housing 2.
As shown in fig. 1 to 3, the front section of the metal conductor seat 1 is an insertion section 9, the insertion section 9 is inserted into the insulating housing 2 from back to front to realize a fixed connection with the insulating housing 2, correspondingly, the rear section of the insulating housing 2 is an insertion fitting section 10 fitted with the insertion section 9 on the metal conductor seat 1, and the insertion fitting section 10 includes a circumferential limiting section 11 and a backstop section 12 arranged in the front-back direction. The insertion section 9 on the metal conductor seat 1 comprises a front section and a rear section, the outer peripheral surface of the front section is a square outer peripheral surface with corners transiting through arcs, the inner peripheral surface of the circumferential limiting section 11 is a square inner peripheral surface with corners transiting through arcs, the shape of the inner peripheral surface is the same as that of the outer peripheral surface of the front section in the insertion section 9, and in the insertion assembly process of the metal conductor seat 1 and the insulating shell 2 in the insertion direction, the outer peripheral surface of the front section in the insertion section 9 is attached to the inner peripheral surface of the circumferential limiting section 11 so as to limit the position of the metal conductor seat 1 relative to the insulating shell 2 in the vertical insertion direction.
In this embodiment, as shown in fig. 1, 3 and 4, the retaining section 12 includes two parallel side walls and a connecting arm connecting the two parallel side walls, so that the section of the retaining section 12 in the direction perpendicular to the front and rear direction is U-shaped, the two parallel side walls of the retaining section 12 correspond to the two parallel sides of the U-shape, the connecting arm of the retaining section 12 corresponds to the bottom side of the U-shape, the two parallel side walls are symmetrically arranged on both sides of the opening direction of the U-shape, retaining grooves 13 are provided on the two parallel side walls, the retaining grooves 13 have notches with the same opening direction as the opening direction of the U-shape, the rear section of the insertion section 9 on the corresponding metal conductor base 1 has two conductor base side walls matching with the two parallel side walls on the retaining section 12, the rear section of the insertion section 9 has a U-shaped outer side surface, the two parallel surfaces of the U-shaped outer side surface form two conductor base side walls, three sides of the U-shaped outer side surface are coplanar with three corresponding surfaces of the square of the front section of the insertion section 9, the side wall of the conductor seat on the rear section of the insertion section 9 is provided with a protrusion 14 matched with the retaining groove 13, after the metal conductor seat 1 and the insulating shell 2 are inserted in place, the protrusion 14 enters the retaining groove 13, and the rear end surface of the protrusion 14 is in retaining fit with the rear side groove wall of the retaining groove 13 in the front-rear direction so as to limit the metal conductor seat 1 to move backwards relative to the insulating shell 2.
In this embodiment, the front end surface of the protrusion 14 is a guiding surface, specifically, the guiding surface is a guiding inclined surface 15, so that the protrusion 14 and the retaining groove 13 can be conveniently guided and matched in the process of inserting and matching the insulating housing 2 and the metal conductor base 1. The front side groove wall surface of the corresponding retaining groove 13 is a slope surface matched with the guide slope surface 15 on the protrusion 14, so that the protrusion 14 is limited to move forwards in the retaining groove 13 after the protrusion 14 enters the retaining groove 13.
In this embodiment, as shown in fig. 4, an axial stop surface 17 perpendicular to the insertion direction is disposed on the front side of the insertion-fit section 10 on the insulating housing 2, a through hole for inserting the shielding sleeve is disposed on the axial stop surface 17, the insertion section 9 of the metal conductor holder 1 is inserted into the insertion-fit section 10 of the insulating housing 2, and after the protrusion 14 enters the stopping groove 13, the front end surface of the insertion section 9 of the metal conductor holder 1 is in stop-fit with the axial stop surface 17 on the insulating housing 2 in the front-back direction, so as to limit the metal conductor holder 1 from moving forward relative to the insulating housing 2, and thus the metal conductor holder 1 is fixedly connected to the insulating housing 2.
In this embodiment, in the process of assembling the metal conductor base 1 and the insulating housing 2, the insertion fitting section 10 on the insulating housing 2 and the insertion section 9 on the metal conductor base 1 are inserted and fitted in the insertion direction of the plug and the rf socket, the position of the metal conductor base 1 in the vertical insertion direction is limited by the circumferential limiting section 11, the backward movement of the metal conductor base 1 is limited by the stopping section 12, the forward movement of the metal conductor base 1 is limited by the axial stopping surface 17, so as to achieve the fixed assembly of the metal conductor base 1 and the insulating housing 2, and the arrangement of the circumferential limiting section 11 and the stopping section 12 in the forward and backward directions is beneficial to improving the fitting length of the metal conductor section and the insulating housing 2 in the forward and backward directions, so as to improve the coaxiality of the metal conductor base 1 and the insulating housing 2.
Meanwhile, in the process of assembling the metal conductor seat 1 and the insulating shell 2, two side walls on the backstop section 12 provided with the backstop groove 13 on the insulating shell 2 are opposite to the other side wall to generate elastic deformation, the section of the backstop section 12 vertical to the front and back directions is set into a U-shaped structure, so that the elastic deformation capacity of two parallel side walls of the backstop section 12 can be increased, the risk of permanent deformation of the two parallel side walls on the metal conductor seat 1 in the process of inserting the metal conductor seat 1 and the insulating shell 2 is reduced, and the reliability of the fixed connection of the metal conductor seat 1 and the insulating shell 2 in the connector is improved; in addition, the arrangement of the notches with the opening directions the same as the U-shaped opening directions on the retaining groove 13 also contributes to increasing the elastic deformation capacity of the two parallel side walls on the retaining section 12, and further improves the reliability of the fixed connection between the metal conductor seat 1 and the insulating shell 2.
In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 5, a dimension of the retaining section 12 of the insulating housing 2 in the U-shaped opening direction thereof is smaller than a dimension of the circumferential limiting section 11 in the U-shaped opening direction thereof, so that an end surface of the retaining section 12 in the U-shaped opening direction is lower than a corresponding outer end surface of the circumferential limiting section 11, a shielding surface 16 is disposed on the rear section of the insertion section 9 on the metal conductor base 1, which is opposite to the end surface of the insulating housing 2 in the U-shaped opening direction after the metal conductor base 1 and the insulating housing 2 are inserted in place, and the protrusion 14 extends onto the shielding surface 16 to increase a blocking fit area between the protrusion 14 and the retaining groove 13 in the front-rear direction, which is helpful for improving the reliability of the fixed connection between the metal conductor base 1 and the insulating housing 2. The shielding surface 16 can reduce dust entering the metal shell from the notch position of the retaining groove 13 along the gap between the side wall of the retaining groove 13 and the protrusion 14, and is helpful for improving the protection grade of the connector.
In this embodiment, the long contact member and the short contact member have the same structure except for the length and the size of each part. The structure of only one of the contact members will be described in this embodiment. As shown in fig. 1, in the contact member, the insulator is interference-fitted with the shielding sleeve through the convex rib provided on the outer circumferential surface thereof, and the insulator is fixed between the shielding sleeve and the contact, and the shielding sleeve plays a role of signal shielding in the signal transmission process. The contact is a 90 DEG bending contact including a first portion 21 extending in the front-rear direction and a second portion 22 extending in the up-down direction, the second portion 22 being located on the rear side of the first portion 21. The shielding sleeve is formed by rolling a metal strip, and a rolling seam is formed on the outer peripheral surface of the shielding sleeve. The shielding sleeve comprises two sections, a shielding section 23 on the front side and a rotation stop mating section 24 on the rear side, the first part 21 of the contact being inserted into the shielding section 23. The wall thickness of the metal strip in the front and back direction is uniform, so that the inner circumferential surface and the outer circumferential surface of the formed shielding section 23 are equal-diameter surfaces in the axial direction, the distance between the shielding section 23 and the contact piece is uniformly distributed in the front and back direction, the characteristic impedance change of the radio frequency socket at the position of the shielding section 23 is reduced, the loss of the radio frequency socket in the high-frequency signal transmission process is reduced, and the transmission performance of the radio frequency socket is improved.
As shown in fig. 1 and 6, the rotation stop fitting section 24 has a wing 25 disposed beyond the outer peripheral surface of the shielding section 23. Specifically, the radial cross section of the rotation stopping matching section 24 is U-shaped, so that the rotation stopping matching section 24 is integrally U-shaped, the rotation stopping matching section 24 includes a semicircular part and two parallel parts, the two parallel parts are respectively located at two sides of the axis of the shielding section 23 to form two wing plates 25 arranged in pairs, each wing plate 25 has a front end surface and a rear end surface, the shielding sleeve is inserted into the mounting hole of the metal conductor base 1 from back to front, the metal conductor base 1 is provided with a front stopping surface 30 facing back, and during the assembly process of the shielding sleeve, the front end surfaces of the wing plates 25 are in stopping matching with the front stopping surface 30 on the metal conductor base 1 to limit the shielding sleeve from moving forward relative to the metal conductor base 1.
The wing plate 25 is provided with a convex part, and the shielding sleeve is tightly matched with the metal conductor base 1 through the convex part on the wing plate 25 so as to realize the fixed installation of the shielding sleeve on the metal conductor base 1. Specifically, as shown in fig. 1, 6 and 9, each of the flanges 25 is provided with a flange protrusion 26 protruding away from the other flange 25 on the surface opposite to the other flange 25, the flange protrusion 26 is formed by punching a metal strip before the shielding sleeve is rolled and formed, and the flange protrusion 26 is a protruding portion of the flange 25. As shown in fig. 7, 8 and 9, the metal conductor holder 1 has an interference fit surface 38 for interference fitting with the wing plate protrusion 26 on the wing plate 25, and when the shielding sleeve is inserted into the metal conductor holder 1, the wing plate protrusion 26 on the wing plate 25 is tightly fitted with the interference fit surface 38, so that the shielding sleeve can be restricted from rotating circumferentially in the metal conductor holder 1, and the shielding sleeve can be fixedly mounted on the metal conductor holder 1.
In addition, as shown in fig. 1, 10 and 11, the rf socket further includes a stopper made of a metal material to form a metal stopper 20. The metal conductor base 1 is provided with an inserting slot 32, the inserting slot 32 is used for inserting the metal stopper 20 into the metal conductor base 1 from bottom to top, the metal stopper 20 is provided with a rear stopper surface 31 facing to the front side, and the rear stopper surface 31 is in stop fit with the rear end surface of the wing plate 25 on the rotation stop matching section 24 after the shielding sleeve is inserted into the metal conductor base 1 so as to limit the backward movement of the shielding sleeve and ensure the fixed installation of the shielding sleeve on the metal conductor base 1.
In the present embodiment, as shown in fig. 10, the long mounting hole 18 has an axial length greater than that of the short mounting hole 19. As shown in fig. 5, 7, 8 and 10, the metal conductor holder 1 is a housing structure, the metal conductor holder 1 is enclosed by a left side plate, a right side plate, a front side plate and an upper side plate, the insertion section 9 is located at the position of the front side plate, the mounting hole is arranged on the front side plate, and the long mounting hole 18 and the front side orifice end surface of the short mounting hole 19 are in the same plane, so that after the shielding sleeves are assembled in the mounting hole, the front end surfaces of the shielding sleeves are flush, the long mounting hole 18 is located at the upper side of the short mounting hole 19, the rear side orifice end surface of the long mounting hole 18 is located at the rear side of the rear side orifice end surface of the short mounting hole 19, so as to form a step on the rear side surface of the front side plate of the metal conductor holder 1, and the orifice end surface at the rear side of each mounting hole, that is, i.e. the rear side surface of the front side plate, forms a front stop surface 30 for stop-fitting with the front end surface of the upper wing plate 25 of the corresponding shielding sleeve.
In this embodiment, as shown in fig. 7 and fig. 8, a conductor seat partition 33 is disposed on the metal conductor seat 1 between the left and right side plates, the conductor seat partition 33 extends in the front-rear direction, the conductor seat partition 33 is located between two adjacent long mounting holes 18 and also located between two adjacent short mounting holes 19, and in the process of assembling the shielding sleeve, the interference fit surfaces 38 on two side surfaces of the conductor seat partition 33 and the left and right side plates on the metal conductor seat 1 are both used for interference fit with the wing plate protrusions 26 on the wing plate 25 on the shielding sleeve, so as to limit the shielding sleeve from rotating circumferentially in the metal conductor seat 1.
As shown in fig. 7 and 8, an axially extending rib 34 is disposed on an inner hole wall of each mounting hole, and in the process of inserting and fitting the shielding sleeve into the mounting hole, the rib 34 and the shielding sleeve are in interference fit, which is helpful for realizing the fixed assembly of the shielding sleeve in the metal conductor base 1, and because the shielding sleeve is in a roll-formed structure, the rib 34 disposed in the mounting hole helps to radially contract the shielding sleeve, so as to press the shielding sleeve against the insulator.
In this embodiment, as shown in fig. 7, 8 and 9, a right-protruding boss 39 is provided on the inner side surface of the left side plate of the metal conductor base 1, a left-protruding boss 39 is provided on the inner side surface of the corresponding right side plate, two bosses 39 are provided on each side plate, and the two bosses 39 are arranged at intervals in the vertical direction, after the shielding sleeve is installed in the metal conductor seat 1, the upper side boss is positioned below the upper wing plate 25 of the long shielding sleeve 3, the lower side boss is positioned below the upper wing plate 25 of the short shielding sleeve 4, and the side of the boss 39 facing the conductor mount shelf 33 is flush with the side of the corresponding wing 25 facing the conductor mount shelf 33, helps to reduce the characteristic impedance variation of the rf socket at the location of the contact second portion 22, to increase the continuity of the shielding sleeve with the metal conductor holder 1 to the downwardly extending second portion 22 of the contact.
As shown in fig. 7, 8 and 11, the insertion grooves 32 on the metal conductor base 1 are provided on the lower side bosses 39 on the left and right side plates, two insertion grooves 32 are respectively provided on the lower side bosses 39 of the left and right side plates, the insertion grooves 32 on the two side plates are correspondingly arranged in the front-rear direction, and the insertion grooves 32 have downward notches. The horizontal section of the metal stopper 20 is in a shape like the Chinese character 'tu', the metal stopper 20 comprises two parallel plates arranged at intervals in the front-back direction, and further comprises stopper partition plates 35 arranged to extend in the front-back direction, the front side surfaces of the two parallel plates form a rear stopper surface 31 in stopper fit with the rear end surface of the rotation stopping fit section 24, the two parallel plates in the front-back direction are in plug fit with the insertion slot 32 on the metal conductor base 1, stopper protrusions 37 are arranged on the left side surface and the right side surface of the two parallel plates, and the stopper protrusions 37 are in interference fit with the corresponding slot walls of the insertion slot 32, so that the metal stopper 20 and the metal conductor base 1 are tightly fitted to realize relative fixation.
As shown in fig. 7, 9, 10 and 11, the metal stopper 20 is inserted into and engaged with the metal conductor holder 1 to define four shielding passages through which the second portions 22 of the contacts respectively pass. The stop piece partition plate 35 is located between two adjacent shielding passages in the left-right direction, the stop piece partition plate 35 is provided with a shielding groove 18 with an upward opening, in the process that the metal stop piece 20 is matched with the metal conductor seat 1 in an inserting mode, the shielding groove 18 is matched with the conductor seat partition plate 33 in an inserting mode, and the conductor seat partition plate 33 forms an inserting plate. After the shielding sleeve is installed in the metal conductor seat 1 and the metal stopper 20 and the metal conductor seat 1 are inserted in place, the left and right side surfaces of the partition 35 on the metal stopper 20 are respectively flush with the side surfaces of the corresponding upper wing plates 25 of the shielding sleeve in the up-down direction, which is helpful for reducing the characteristic impedance change of the radio frequency socket at the position of the second part 22 of the contact element, so as to increase the shielding continuity of the shielding sleeve and the metal conductor seat 1 for the second part 22 extending downwards in the contact element.
In this embodiment, as shown in fig. 7, 8, 10 and 11, the lower portion of the rear end face of the long mounting hole 18 of the metal conductor holder 1 and the upper portion of the rear end face of the short mounting hole 19 are transited by the right-angle groove 36, and the parallel plate at the rear side is inserted and fitted into the right-angle groove 36 in the process of inserting the metal conductor holder 1 and the metal stopper 20. Due to the structural arrangement, the situation that the metal stop piece 20 and the metal conductor seat 1 cannot be ideally matched with each other in a plane close to the plane between two adjacent shielding channels due to tolerance in machining can be avoided, and the requirement on the machining precision of the metal stop piece 20 and the metal conductor seat 1 at the insertion matching position can be reduced; the structure is beneficial to electromagnetic shielding, most of the undesired interference electromagnetic waves are limited by the wavelength of the interference electromagnetic waves, the interference electromagnetic waves are blocked by the metal blocking piece 20 and the metal conductor seat 1 in the zigzag gap and cannot reach the other shielding channel, so that effective electromagnetic interference cannot be caused, only a very small amount of electromagnetic waves with ultra-short wavelengths can cause electromagnetic interference through the zigzag gap, and the structural advantage is utilized, so that the radio frequency socket in the embodiment can obtain better signal quality.
As shown in fig. 7 and 11, conductor holder grounding pins 19 are arranged at four corners of the lower end surface of the metal conductor holder 1, and are used for being connected with a printed board, so that grounding shielding is effectively realized; a stopper grounding pin 29 is provided on the lower end surface of the intersection position between the front parallel plate of the metal stopper 20 and the stopper partition 35, so that the metal stopper 20 can be grounded and shielded by the stopper grounding pin 29 when the metal stopper 20 and the metal conductor holder 1 are in poor contact.
In this embodiment, as shown in fig. 1, in the assembly process of the radio frequency socket, the metal conductor base 1 and the insulating housing 2 are fixedly connected, the contact member which is assembled in advance is inserted into the metal conductor base 1 from the back to the front, the front side surface of the wing plate 25 of the shielding sleeve is in blocking fit with the front blocking surface 30 of the metal conductor base 1, the wing plate protrusion 26 on the wing plate 25 is in interference fit with the metal conductor base 1, then the metal blocking member 20 is in insertion fit with the metal conductor base 1 from the bottom to the top, and the blocking member protrusion 37 on the metal blocking member 20 is in interference fit with the corresponding groove wall of the metal blocking member 20, so as to implement the assembly of the whole radio frequency socket, and the assembly process of the radio frequency socket does not need an assembly tool, thereby facilitating the assembly of the radio frequency socket, improving the assembly efficiency of the radio frequency socket, and facilitating the disassembly and maintenance of the radio frequency socket in the subsequent use process of the radio frequency socket; in addition, the inner circumferential surface of the shielding section 23 of the shielding sleeve in the radio frequency socket in the embodiment is of an equal-diameter structure in the axial direction, which is beneficial to uniformly arranging the distance between the shielding sleeve and the contact piece in the extending direction of the contact piece, reducing the loss of the radio frequency socket in the transmission process of high-frequency signals and improving the transmission performance of the radio frequency socket; and four shielding passages are formed by inserting the metal conductor seat 1 and the metal stop member 20, and two adjacent shielding passages are communicated through a bending gap, so that effective electromagnetic interference can be formed between the two adjacent shielding passages, and the electromagnetic shielding is favorably realized.
The radio frequency socket in this embodiment has both realized the diameter uniformity of shielding section on the shielding sleeve, satisfies the shielding sleeve again and fixes to make the radio frequency socket of this kind of structure setting have better structural stability, have radio frequency high speed performance advantage and price advantage concurrently simultaneously.
the difference from the specific example 1 is that: the arch sets up on two parallel lateral walls of stopping section, for guaranteeing that insulating casing overall dimension is the same with insulating casing's in embodiment 1 overall dimension, the wall thickness that sets up U-shaped structure on the stopping section is less than the wall thickness of U-shaped structure on the stopping section in embodiment 1, and set up the back end of inserting the section on the metal conductor seat and with protruding position department that corresponds, the back end outer contour size of inserting the section is greater than the outer contour size of inserting the section anterior segment, in order to ensure that the inserting section back end can laminate with the internal face of cartridge cooperation section. The rear end face of the bulge is provided with a guide inclined plane, and correspondingly, the wall surface of the rear side groove of the retaining groove is a guide inclined plane adapting surface.
In the radio frequency socket of the present invention, in the preferred embodiment 1, the retaining grooves are disposed on the insulating housing, and the retaining grooves are disposed on the two parallel side walls of the retaining section of the insulating housing, so that the wall thickness of the two parallel side walls of the retaining section can be increased without changing the overall size of the insulating housing, the strength of the insulating housing can be improved, and the risk of permanent deformation of the parallel side walls of the insulating housing during the assembling process of the insulating housing and the metal conductor base can be reduced.
the difference from the specific example 1 is that: the stopping groove is only provided with a notch facing to the other stopping groove, the stopping groove is not provided with a notch with the opening in the same direction as the U-shaped opening, and the size of the bulge is equal to that of the stopping groove in the U-shaped opening direction of the stopping section.
The size of the stopping section in the direction of the U-shaped opening of the stopping section is equal to the size of the circumferential limiting section in the direction of the U-shaped opening, and a shielding face perpendicular to the direction of the U-shaped opening is not arranged on the metal conductor seat.
the difference from the specific example 1 is that: the guide surface on the front end surface of the protrusion is a guide arc surface, and correspondingly, the front side groove wall surface of the retaining groove is matched with the guide arc surface.
Embodiment 5 of the radio frequency socket of the present invention:
the difference from the specific example 1 is that: after the insulating shell and the metal conductor seat are inserted in place, an interval is arranged between an axial end face of the through hole arranged on the front side of the circumferential limiting face on the insulating shell and a front end face of the insertion end on the metal conductor seat, the interval is favorable for increasing the axial length occupied by the inner circumferential face in interference fit with the shielding sleeve on the shielding sleeve, and the guidance of the shielding sleeve in the connector is favorable for improving.
the difference from the specific example 1 is that: the shielding sleeve is respectively clamped and matched with the metal conductor seat and the insulating shell, the through hole of the insulating shell and the mounting hole of the metal conductor seat are respectively provided with a clamping groove, the clamping grooves in the mounting hole and the through hole are circumferentially staggered, the shielding sleeve is provided with an elastic buckle, and the elastic buckle enters the corresponding clamping groove in the process of assembling the shielding sleeve to realize the installation of the shielding sleeve in the connector.
Embodiment 7 of the radio frequency socket of the present invention:
the difference from the specific example 1 is that: set up the stopping groove on one of them lateral wall on two parallel lateral walls of insulating casing stopping section, set up the arch on another lateral wall, insert section back end both sides correspondingly and set up arch and stopping groove respectively to with the stopping groove and the protruding adaptation on the insulating casing.
the difference from the specific example 1 is that: the two opposite side surfaces of the wing plates arranged in pairs are respectively provided with a contact elastic arm which is arranged to protrude from the other wing plate, the contact elastic arms are formed by punching a metal belt, correspondingly, the left side plate and the right side plate of the metal conductor seat are provided with grooves which are matched with the contact elastic arms in a clamping manner, the contact elastic arms are tightly pressed on the bottom wall of the grooves, the shielding sleeve is fixedly installed on the metal conductor seat, the rear side groove wall of each groove is in blocking fit with the rear side end face of the corresponding contact elastic arm, the shielding sleeve is limited from being separated from the metal conductor seat, the upper side groove wall and the lower side groove wall of each groove are matched with the corresponding contact elastic arm in a circumferential blocking manner, and the shielding sleeve is limited from rotating circumferentially in the metal conductor seat.
In this embodiment, the radio frequency socket is not provided with the metal stopper, so that the shielding sleeve can be fixedly installed in the metal conductor seat, and other installation tools are not needed in the assembly process of the shielding sleeve and the metal conductor seat, which is beneficial to improving the assembly efficiency of the radio frequency socket.
the difference from the specific example 1 is that: the wing plates are not provided with the protruding parts, and the shielding sleeve is limited to rotate circumferentially relative to the metal conductor seat through the stop matching of the wing plates and the left and right side plates of the metal conductor seat as well as the stop matching of the wing plates and the conductor seat partition plate.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made in the technical solutions described in the foregoing embodiments without inventive effort, or some technical features of the present invention may be substituted with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A radio frequency socket, the front end of which is a plug end for plugging with a radio frequency plug, the radio frequency socket comprises a metal conductor seat (1) and an insulating shell (2) which are fixedly connected, and further comprises a shielding sleeve, an insulator arranged in the shielding sleeve and a contact member inserted in the insulator, the front end of the shielding sleeve is inserted into the insulating shell (2), the radio frequency socket is characterized in that the metal conductor seat (1) comprises an insertion section (9) inserted into the insulating shell (2) from back to front, the insulating shell (2) is provided with a plug fitting section (10) matched with the insertion section (9), the plug fitting section (10) comprises a circumferential limiting section (11) and a backstop section (12) which are arranged front and back, the circumferential limiting section (11) is in limiting fit with the metal conductor seat (1) in the vertical front and back direction, the backstop section (12) comprises two parallel side walls and a connecting wall for connecting the two parallel side walls, so that the section of the backstop section (12) in the vertical front-back direction is U-shaped, two conductor seat side walls which are respectively matched with two parallel side walls of the insulating shell (2) are arranged on the metal conductor seat (1), the matched parallel side walls and the conductor seat side walls form a group, a backstop groove (13) is arranged on one of the parallel side walls and the conductor seat side walls in the same group, a bulge (14) is arranged on the other one of the parallel side walls and the conductor seat side walls, the backstop groove (13) is matched with the bulge (14) to limit the metal conductor seat (1) to move backwards, and in the process of inserting the metal conductor seat (1) and the insulating shell (2), the two parallel side walls on the backstop section elastically deform towards two sides so that the bulge (14) enters the backstop groove (13) to limit the metal conductor seat (1) and the insulating shell (2) to move in the front-back direction.
2. A radio frequency socket according to claim 1, wherein the retaining grooves (13) are provided on parallel side walls and the protrusions (14) are provided on the metal conductor holder (1).
3. A radio frequency socket according to claim 2, wherein the retaining groove (13) has a notch opening in the same direction as the opening of the U-shape.
4. A radio frequency socket according to claim 2, wherein the front end face of the projection (14) is a guide ramp.
5. A radio frequency socket according to claim 4, wherein the guide ramp is a guide ramp (15).
6. Connector according to any one of claims 3 to 5, characterized in that the U-shaped opening of the retaining section (12) has an opening end face facing in the same direction as the U-shaped opening, and the metal conductor holder (1) is provided with a shielding face (16) arranged opposite to the opening end face.
7. A radio frequency socket according to claim 6, wherein the protrusion (14) extends onto the shielding face (16).
8. A radio frequency socket according to any one of claims 1 to 5, wherein two parallel side walls on the backstop section (12) are symmetrically arranged.
9. The radio frequency socket according to any one of claims 1 to 5, wherein the shielding sleeve is fixedly mounted on the metal conductor base (1), the shielding sleeve comprises a shielding section (23) at the front side and a rotation stopping matching section (24) at the rear side, the contact is inserted into the shielding section (23), the rotation stopping matching section (24) is provided with a wing plate (25) which is arranged beyond the outer peripheral surface of the shielding section (23), the shielding sleeve is in circumferential rotation stopping matching with the metal conductor base (1) through the wing plate (25), and is in stopping matching with the metal conductor base (1) through the front end surface of the wing plate (25); the wing plate (25) is provided with a convex part, the shielding sleeve is tightly matched with the metal conductor seat (1) through the convex part on the wing plate (25) so as to realize the fixed installation of the shielding sleeve on the metal conductor seat (1), and/or the radio frequency socket comprises a stopping piece, the stopping piece is inserted and assembled with the metal conductor seat (1) in the vertical front-back direction, and the shielding sleeve is matched with the stopping piece in a stopping way through the rear end surface of the wing plate (25).
10. The radio frequency socket according to claim 9, wherein the contact is a bent contact, the contact comprising a first portion (21) at the front side and a second portion (22) at the rear side, the stop being a metal stop (20), the metal stop (20) and the metal conductor holder (1) enclosing a shielding passage through which the second portion (22) of the contact passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210072491.5A CN114447679B (en) | 2022-01-21 | 2022-01-21 | Radio frequency socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210072491.5A CN114447679B (en) | 2022-01-21 | 2022-01-21 | Radio frequency socket |
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| CN114447679A true CN114447679A (en) | 2022-05-06 |
| CN114447679B CN114447679B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210072491.5A Active CN114447679B (en) | 2022-01-21 | 2022-01-21 | Radio frequency socket |
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| US8235625B1 (en) * | 2004-09-21 | 2012-08-07 | Traffix Devices, Inc. | Water-ballasted protection barrier |
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| CN114447679B (en) | 2024-05-10 |
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