Connector assembly for coaxial cable

Abstract

The connector assembly for the coaxial cable comprises a socket unit which comprises a first circuit board and a socket, a threaded part is arranged on the peripheral wall of the first end of the socket, a plurality of probes are arranged in the socket, the first ends of the plurality of probes all extend out towards the first end of the socket, and the first circuit board is arranged on the first circuit board; the second ends of the plurality of probes extend out of the second end of the socket and are connected with the first circuit board, and the first circuit board is mounted at the second end of the socket; the plug unit comprises a cable box and a screw cap, the screw cap is rotatably arranged on the cable box, the screw cap is matched with the thread part for use, the cable box is provided with a combination part, and the combination part is used for insertion and combination of a plurality of probes; the socket is provided with an avoiding groove, and the avoiding groove is used for enabling the plug unit to slide into the socket unit, thereby achieving the close combination of the nut and the threaded part, and the cooperative use of the nut and the threaded part. The signal line connecting assembly is reasonable in structural design, and solves the problems that a signal line connecting assembly in the prior art is large in insertion and extraction force, so that insertion and extraction are difficult, and high-density design cannot be carried out.

Description

Technical Field

[0001] The present invention relates to the technical field of signal line connectors, and more specifically, to a connector assembly for a coaxial cable. Background Art

[0002] A communication connection is required between the test equipment and the host computer to realize data transmission, and a signal line connector is required between the signal line of the test equipment and the signal line of the host computer to realize the connection between the two signal cables. For test equipment that needs to measure multiple measurement objects at the same time, multi-channel data transmission is required at the same time, and the number of signal harnesses built into its signal cable is large.

[0003] Existing signal line connectors are mainly tubular pin structures and reed plug-in structures. Both types of connectors have the problem of being unable to form high density and can only support low-density pin and reed structures. They cannot be applied to signal cables with a large number of built-in signal harnesses. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a connector assembly for a coaxial cable, aiming to solve the problems existing in the prior art.

[0005] According to the present invention, a connector assembly for a coaxial cable is provided, comprising:

[0006] The socket unit comprises a first circuit board and a socket, wherein a threaded portion is provided on an outer peripheral wall of a first end of the socket, a plurality of probes are provided in the socket, the first ends of the plurality of probes are extended toward the first end of the socket, the second ends of the plurality of probes are extended from the second end of the socket and connected to the first circuit board, and the first circuit board is mounted on the second end of the socket;

[0007] The plug unit comprises a cable box and a nut, wherein the nut is rotatably arranged on the cable box, the nut is used in conjunction with the threaded portion, and a coupling portion is arranged on the cable box, and the coupling portion is used for inserting and coupling a plurality of the probes;

[0008] Wherein, an avoidance groove is provided on the socket, and the avoidance groove is used for the plug unit to slide into the socket unit, so as to achieve close combination and coordinated use of the nut and the threaded part.

[0009] Preferably, the socket comprises a seat body, a first probe rack and a second probe rack, the first probe rack and the second probe rack are parallel to each other and arranged at a preset distance, the second end of the probe is clamped between the first probe rack and the second probe rack, and the first probe rack and the second probe rack are installed on the seat body.

[0010] Preferably, the outer peripheral wall of the seat body is provided with the threaded portion, and the first circuit board is mounted on the bottom of the seat body;

[0011] The avoidance groove is formed on the base body and extends from the first end of the base body toward the second end by a preset distance.

[0012] Preferably, the first probe rack and the second probe rack are both provided with a plurality of mounting holes for plugging and mounting the probes;

[0013] A convex shoulder portion is provided at the second end of the probe, and the probe is clamped between the first probe rack and the second probe rack via the convex shoulder portion.

[0014] Preferably, the socket is provided with a positioning guide pin, and the cable box is provided with a positioning guide hole, and the positioning guide pin and the positioning guide hole are used in coordination.

[0015] Preferably, the cable box comprises a box body, a cover plate and a second circuit board, and the cover plate and the second circuit board are both mounted on the box body.

[0016] Preferably, the box body comprises a cylindrical head, a connecting neck and a flat plate portion, and the cylindrical head and the flat plate portion are connected via the connecting neck;

[0017] The connecting neck is used in conjunction with the avoidance groove, and the plug unit slides into the avoidance groove via the connecting neck.

[0018] Preferably, the second circuit board includes a wiring portion, and the combining portion connected to the wiring portion;

[0019] The coupling part is provided with a plurality of insertion holes, the insertion holes are used for inserting and coupling the probe, and the coupling part is fixed on the end surface of the first end of the cylindrical head.

[0020] Preferably, a wiring cavity is formed between the box body and the cover plate, and the wiring portion is accommodated in the wiring cavity.

[0021] The nut is rotatably arranged on the second end of the cylindrical head.

[0022] Preferably, the socket is provided with a positioning pin for installation and positioning between the socket and the first circuit board.

[0023] The coaxial cable connector assembly in the present application has the following beneficial effects:

[0024] 1. Reasonable structural design. By setting the avoidance structure and the thread plug-in structure, the problem of large plug-in force of the signal line connection component in the prior art, which makes plug-in difficult and makes high-density design impossible, is solved;

[0025] 2. The probe installation arrangement is high in precision. The probe array is centrally installed on two probe racks. Specifically, the probe tail has a stepped structure, which is directly stuck on the two probe racks. Compared with the existing pin-type plug-in installation structure and the spring plug-in structure, the installation volume is more compact, forming a high density, which further solves the high-density problem;

[0026] 3. Since the inside of the coaxial cable is a signal line and the outer circle is a ground line, the circuit board is provided with a common ground terminal, which can be directly grounded through the circuit board, solving the problem that the existing plug assembly requires each signal line to be grounded separately and the structure is not compact enough, thereby further forming high density. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and other objects, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings.

[0028] Figure 1-2 A schematic diagram of the three-dimensional structure of a connector assembly for a coaxial cable according to an embodiment of the present invention is shown from different viewing angles.

[0029] Figure 3-4 The three-dimensional structural schematic diagram of the plug assembly according to the embodiment of the present invention is shown from different viewing angles.

[0030] Figure 5-6 An exploded view of a plug assembly according to an embodiment of the present invention is shown from different perspectives.

[0031] Figure 7-8 The three-dimensional structural schematic diagram of the box body according to the embodiment of the present invention is shown from different viewing angles.

[0032] Figure 9-10 The three-dimensional structural schematic diagram of the cover plate according to the embodiment of the present invention is shown from different viewing angles.

[0033] Figure 11-12 A schematic diagram of the three-dimensional structure of a nut according to an embodiment of the present invention is shown from different viewing angles.

[0034] Fig.13 A schematic diagram of the three-dimensional structure of a socket according to an embodiment of the present invention is shown (the probe is not shown).

[0035] Figure 14-15 An exploded view of a socket according to an embodiment of the present invention is shown from different perspectives (the probe is not shown).

[0036] Figure 16-17 The three-dimensional structural schematic diagram of the base body according to the embodiment of the present invention is shown from different viewing angles.

[0037] Fig.18 A schematic diagram of the three-dimensional structure of a first probe frame according to an embodiment of the present invention is shown.

[0038] Fig.19 A schematic diagram of the three-dimensional structure of a second probe frame according to an embodiment of the present invention is shown.

[0039] Fig. 20 A schematic structural diagram of a probe according to an embodiment of the present invention is shown.

[0040] In the figure: socket unit 1, socket 11, seat body 111, threaded portion 1111, avoidance groove 1112, first probe frame 112, second probe frame 113, positioning guide pin 114, positioning pin 115, first circuit board 12, plug unit 2, cable box 21, box body 211, cylindrical head 2111, positioning guide hole 21111, connecting neck 2112, flat plate portion 2113, cover plate 212, second circuit board 213, wiring portion 2131, combining portion 2132, nut 22. DETAILED DESCRIPTION

[0041] Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. In each of the accompanying drawings, the same elements are represented by the same or similar reference numerals. For the sake of clarity, the various parts in the accompanying drawings are not drawn to scale.

[0042] like Figures 1 to 19 As shown, the present invention provides a connector assembly for a coaxial cable, comprising a socket unit 1 and a plug unit 2. The socket unit 1 comprises a first circuit board 12 and a socket 11, a threaded portion 1111 is provided on the outer peripheral wall of the first end of the socket 11, a plurality of probes are provided in the socket 11, the first ends of the plurality of probes are all extended toward the first end of the socket 11, the second ends of the plurality of probes are all extended from the second end of the socket 11 and connected to the first circuit board 12, and the first circuit board 12 is mounted on the second end of the socket 11; the plug unit 2 comprises a cable box 21 and a nut 22, the nut 22 is rotatably arranged on the cable box 21, the nut 22 is used in conjunction with the threaded portion 1111, a coupling portion 2132 is provided on the cable box 21, and the coupling portion 2132 is used for inserting and combining the plurality of probes; wherein, an avoidance groove 1112 is provided on the socket 11, and the avoidance groove 1112 is used for the plug unit 2 to slide into the socket unit 1, so as to achieve close combination and coordinated use of the nut 22 and the threaded portion 1111.

[0043] In this embodiment, the second end of the probe has a plurality of spike structures for achieving multi-point contact with the first circuit board 12 , thereby reducing contact impedance.

[0044] The socket 11 includes a base body 111, a first probe rack 112 and a second probe rack 113. The first probe rack 112 and the second probe rack 113 are parallel to each other and arranged at a preset distance. The second end of the probe is clamped between the first probe rack 112 and the second probe rack 113. The first probe rack 112 and the second probe rack 113 are installed on the base body 111.

[0045] In this embodiment, the first probe frame 112 and the second probe frame 113 are connected by bolts, and the first circuit board 12 is connected to the base body 111 by bolts. The first probe frame 112 and the second probe frame 113 form a mounting frame arranged at the second end of the base body 111 near the bottom position, and the mounting frame is installed on the first circuit board 12 by bolts, so that the mounting frame is installed on the base body 111, and the second end of the probe is firmly and stably inserted into the first circuit board 12, thereby realizing the electrical connection between the probe and the first circuit board 12.

[0046] The outer wall of the seat body 111 is provided with a threaded portion 1111 , and the first circuit board 12 is installed at the bottom of the seat body 111 ; the avoidance groove 1112 is provided on the seat body 111 and extends from the first end of the seat body 111 toward the second end by a preset distance.

[0047] The first probe rack 112 and the second probe rack 113 are both provided with a plurality of mounting holes for plugging and installing the probes; a boss portion is provided at the second end of the probe, and the probe is clamped between the first probe rack 112 and the second probe rack 113 via the boss portion. In this embodiment, the plurality of mounting holes are in a rectangular array structure, and after the probes are installed, a rectangular probe array structure is formed. The arrangement of the two probe racks makes the positioning and installation of the probes more accurate and precise.

[0048] The socket 11 is provided with a positioning guide pin 114, and the cable box 21 is provided with a positioning guide hole 21111, and the positioning guide pin 114 and the positioning guide hole 21111 are used in conjunction with each other. When the plug unit 2 is plugged into the socket unit 1, the plug unit 2 can firstly realize the plug-in positioning between the plug unit 2 and the socket unit 1 through its positioning guide hole 21111 and the positioning guide pin 114, and then in the process of screwing the nut 22, the positioning guide pin 114 and the positioning guide hole 21111 can be used in conjunction with each other to realize the smooth insertion of the plug unit 2 into the socket unit 1, thereby avoiding the skewed and broken structures of the plug-in parts such as the probe jack due to the skewed plug-in position or force during the plug-in process. In this embodiment, there are two positioning guide pins 114 and two positioning guide holes 21111, and they are arranged one by one.

[0049] The cable box 21 includes a box body 211 , a cover plate 212 , and a second circuit board 213 . The cover plate 212 and the second circuit board 213 are both mounted on the box body 211 .

[0050] Specifically, the box body 211 includes a cylindrical head 2111, a connecting neck 2112 and a flat plate portion 2113, wherein the cylindrical head 2111 and the flat plate portion 2113 are connected via the connecting neck 2112; wherein the connecting neck 2112 is used in conjunction with the avoidance groove 1112, and the plug unit 2 slides into the avoidance groove 1112 via the connecting neck 2112. By providing the avoidance groove 1112, the base body 111 of the socket unit 1 can cross over the cable box 21 of the plug unit 2, and smoothly contact and combine with the nut 22 of the plug unit 2.

[0051] Further, the second circuit board 213 includes a wiring portion 2131 and a coupling portion 2132 connected to the wiring portion 2131, wherein the wiring portion 2131 is connected to a coaxial cable; wherein the coupling portion 2132 is provided with a plurality of jacks, the jacks are used for inserting and coupling the probe, the coupling portion 2132 is fixed on the end surface of the first end of the cylindrical head 2111, the wiring portion 2131 is electrically connected to the coupling portion 2132, and each jack of the wiring portion 2131 corresponds to each wiring point of the wiring portion 2131 one by one, thereby realizing the electrical connection between each signal line of the cable and each jack, and the first circuit board 12 is used to connect the coaxial cable, thereby realizing the electrical connection and signal transmission between the two coaxial cables. In this embodiment, the distribution of the plurality of jacks matches the distribution of the probe, and is also a rectangular array structure. Since the inside of the coaxial cable is a signal line and the outer circle is a ground line, a common ground terminal is provided on the first circuit board 12, and the ground can be directly supplied through the first circuit board 12.

[0052] Furthermore, a wiring cavity is formed between the box body 211 and the cover plate 212, the wiring portion 2131 is accommodated in the wiring cavity, and the nut 22 is rotatably disposed on the second end of the cylindrical head 2111. In this embodiment, the nut 22 is rotatably connected to the cylindrical head 2111 through a pin, and a positioning guide hole 21111 is opened on the cylindrical head 2111, and the positioning guide hole 21111 and the nut 22 are arranged opposite to each other along the axial direction of the cylindrical head 2111.

[0053] Furthermore, a positioning pin 115 is provided on the socket 11 for installation and positioning between the socket 11 and the first circuit board 12 .

[0054] In this embodiment, the first circuit board 12 and the second circuit board 213 can specifically be PCB boards, and the processing and punching of the PCB boards and the processing and punching of the two probe racks can be machined with high precision. The probes remain in a vertical state, ensuring the accuracy of the probes and their sockets, thereby improving the original accuracy and docking accuracy of the socket unit 1 and the plug unit 2, and further avoiding the problem in the prior art that the reed structure cannot guarantee the original accuracy and docking accuracy.

[0055] The nut 22 in this embodiment is provided with an internal thread, and the seat body 111 is provided with an external thread and a guide pin. The positioning guide pin 114 is used to guide the nut 22 so that it has better guidance when pressed down and lifted up, the nut 22 and the connecting seat have higher coaxiality, and the docking is more precise. At the same time, the nut 22 is gradually pressed down on the connecting seat through the thread, which effectively solves the problem of high-density plug assembly with high insertion and extraction force and easy damage, and it is difficult to form high density.

[0056] When using the coaxial cable connector assembly in this application, refer to the following steps:

[0057] 1. First, press the connection neck 2112 of the plug unit 2 into the avoidance groove 1112 of the socket unit 1;

[0058] 2. Align the positioning guide hole 21111 with the positioning guide pin 114 and press it in to achieve alignment and positioning of the plug unit 2 and the socket unit 1 before plugging;

[0059] 3. Tighten the nut 22 so that the nut 22 gradually presses down the cable box 21, and the connecting neck 2112 of the cable box 21 slides down along the avoidance groove 1112, thereby inserting the plug unit 2 into the socket unit 1;

[0060] 4. After use, loosen the nut 22 in the reverse direction and pull the plug unit 2 out of the socket unit 1. The details will not be repeated here.

[0061] The coaxial cable connector assembly in the present application has the following beneficial effects:

[0062] 1. Reasonable structural design. By setting the avoidance structure and the thread plug-in structure, the problem of large plug-in force of the signal line connection component in the prior art, which makes plug-in difficult and makes high-density design impossible, is solved;

[0063] 2. The probe installation arrangement is high in precision. The probe array is centrally installed on two probe racks. Specifically, the probe tail has a stepped structure, which is directly stuck on the two probe racks. Compared with the existing pin-type plug-in installation structure and the spring plug-in structure, the installation volume is more compact, forming a high density, which further solves the high-density problem;

[0064] 3. Since the inside of the coaxial cable is a signal line and the outer circle is a ground line, the circuit board is provided with a common ground terminal, which can be directly grounded through the circuit board, solving the problem that the existing plug assembly requires each signal line to be grounded separately and the structure is not compact enough, thereby further forming high density.

[0065] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0066] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A connector assembly for a coaxial cable, characterized in that: include: The socket unit comprises a first circuit board and a socket, wherein a threaded portion is provided on an outer peripheral wall of a first end of the socket, a plurality of probes are provided in the socket, the first ends of the plurality of probes are extended toward the first end of the socket, the second ends of the plurality of probes are extended from the second end of the socket and connected to the first circuit board, and the first circuit board is mounted on the second end of the socket; The plug unit comprises a cable box and a nut, wherein the nut is rotatably arranged on the cable box, the nut is used in conjunction with the threaded portion, and a coupling portion is arranged on the cable box, and the coupling portion is used for inserting and coupling a plurality of the probes; Wherein, an avoidance groove is provided on the socket, and the avoidance groove is used for the plug unit to slide into the socket unit, so as to achieve close combination and coordinated use of the nut and the threaded part.

2. The connector assembly for a coaxial cable according to claim 1, characterized in that: The socket includes a seat body, a first probe rack and a second probe rack, the first probe rack and the second probe rack are parallel to each other and arranged at a preset distance, the second end of the probe is clamped between the first probe rack and the second probe rack, and the first probe rack and the second probe rack are installed on the seat body.

3. The connector assembly for a coaxial cable according to claim 2, characterized in that: The outer peripheral wall of the seat body is provided with the threaded portion, and the first circuit board is installed at the bottom of the seat body; The avoidance groove is formed on the base body and extends from the first end of the base body toward the second end by a preset distance.

4. The connector assembly for a coaxial cable according to claim 2, characterized in that: The first probe rack and the second probe rack are both provided with a plurality of mounting holes for plugging and mounting the probes; A convex shoulder portion is provided at the second end of the probe, and the probe is clamped between the first probe rack and the second probe rack via the convex shoulder portion.

5. The connector assembly for a coaxial cable according to claim 1, characterized in that: The socket is provided with a positioning guide pin, and the cable box is provided with a positioning guide hole, and the positioning guide pin and the positioning guide hole are used in coordination.

6. The connector assembly for a coaxial cable according to claim 1, characterized in that: The cable box comprises a box body, a cover plate and a second circuit board, wherein the cover plate and the second circuit board are both mounted on the box body.

7. The connector assembly for a coaxial cable according to claim 6, characterized in that: The box body comprises a cylindrical head, a connecting neck and a flat plate portion, wherein the cylindrical head and the flat plate portion are connected via the connecting neck; The connecting neck is used in conjunction with the avoidance groove, and the plug unit slides into the avoidance groove via the connecting neck.

8. The connector assembly for a coaxial cable according to claim 7, characterized in that: The second circuit board includes a wiring portion, and the combining portion connected to the wiring portion; The coupling part is provided with a plurality of insertion holes, the insertion holes are used for inserting and coupling the probe, and the coupling part is fixed on the end surface of the first end of the cylindrical head.

9. The connector assembly for a coaxial cable according to claim 8, characterized in that: A wiring cavity is formed between the box body and the cover plate, and the wiring part is accommodated in the wiring cavity. The nut is rotatably arranged on the second end of the cylindrical head.

10. The connector assembly for a coaxial cable according to claim 1, characterized in that: The socket is provided with a positioning pin for installation and positioning between the socket and the first circuit board.

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