A multi-core mixed loading coaxial connector
By designing a multi-core mixed-assembly coaxial connector, adopting a main pin priority contact and a double locking structure, the problem that existing connectors cannot transmit multi-core signals and radio frequency signals simultaneously is solved, achieving stable signal transmission and convenient operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN YUFEI CONNECTION ELECTRONICS CO LTD
- Filing Date
- 2025-06-12
- Publication Date
- 2026-05-29
AI Technical Summary
Existing connectors cannot transmit multi-core signals and radio frequency signals simultaneously within a limited volume, and are inconvenient to operate and have poor connection stability during repeated plugging and unplugging.
A multi-core mixed coaxial connector was designed, which adopts the main pin to make priority contact to form a pilot path, and achieves signal locking and temporary locking through two locking structures, including the damping effect of the concave and convex parts and the final locking of the flange.
It achieves stable transmission of multi-core signals and radio frequency signals, and provides temporary locking during repeated insertion and removal to ensure stable signal transmission and convenient operation.
Smart Images

Figure CN224305108U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of connectors, specifically relating to a multi-core mixed coaxial connector. Background Technology
[0002] Connectors, also known as plugs or connectors, generally refer to electrical connectors, which are devices that connect two active devices to transmit current or signals. Connectors are a component frequently encountered by electronic engineers. Their function is very simple: to bridge gaps in circuits or between isolated circuits, allowing current to flow and enabling the circuit to perform its intended function. Connectors are indispensable components in electronic devices. Connector forms and structures are highly diverse. Depending on the application, frequency, power, and environment, various types of connectors exist. Because connectors are used in a wide range of scenarios, in some applications, they need to connect circuits with a large number of pins and transmit radio frequency (RF) signals. However, existing connectors, within their limited size, do not provide a platform for simultaneous transmission of multi-pin signals and RF signals. This application requirement has driven the development of multi-pin and RF hybrid connectors. In existing technologies, there are no connectors that can simultaneously transmit multi-core signals and radio frequency signals. Furthermore, existing connectors typically utilize flange bolt connections or simple mechanical mating. However, for situations requiring repeated insertion and removal, such as equipment testing and debugging, production testing, on-site debugging, troubleshooting, and temporary deployment, removing the flange bolts is inconvenient. While simple mechanical mating is convenient, it suffers from poor connection stability. Therefore, to address these issues, this invention proposes a multi-core mixed-assembly coaxial connector capable of transmitting multi-core signals, current, and radio frequency signals. It also provides two locking structures for temporary locking during repeated insertion and removal. Utility Model Content
[0003] To solve the above-mentioned technical problems, this utility model provides a multi-core mixed-assembly coaxial connector to address the issues in the prior art. The technical solution adopted by this utility model is as follows:
[0004] A multi-core mixed-assembly coaxial connector includes a socket end and a pin end;
[0005] The socket end includes a socket housing, on which an radio frequency socket, a main socket, and multiple secondary sockets are provided; the main socket is located on the central axis of the socket housing;
[0006] The pin end includes a pin housing, on which an RF pin, a main pin, and multiple secondary pins are disposed; the RF pin is adapted to the RF socket, the main pin is adapted to the main socket, and the secondary pins are adapted to the secondary socket.
[0007] The front end of the main pin extends beyond the radio frequency pin and the secondary pin, so that when the socket end and the pin end are interlocked, the main pin is inserted into the main socket first.
[0008] Furthermore, four radio frequency pins and four radio frequency sockets are respectively provided.
[0009] Furthermore, the secondary socket includes a first socket, a second socket, and a third socket; the secondary pins include corresponding first pins, second pins, and third pins.
[0010] Furthermore, the diameter of the secondary socket is .mm, and the diameter of the main socket is .mm.
[0011] Furthermore, it also includes a fixed sleeve and a rotating sleeve. The fixed sleeve is fitted onto the socket housing. The front end of the fixed sleeve is provided with a limit opening, and the inner side of the limit opening is provided with a recess.
[0012] The rotating sleeve is rotatably mounted on the pin housing. The front end of the rotating sleeve is provided with a mounting groove. A limiting piece is provided in the mounting groove. An elastic component is provided on the outer side of the limiting piece. A protrusion is fixedly connected to the inner side of the front end of the limiting piece.
[0013] The limiting opening is positioned opposite to the limiting piece. When the insertion hole end and the insertion pin end are inserted into each other, the limiting piece is inserted into the limiting opening. By rotating the rotating sleeve, the protrusion is engaged in the recess.
[0014] Furthermore, both the limiting opening and the limiting piece are arc-shaped, and they are coaxial with the socket housing and the pin housing, respectively.
[0015] Furthermore, multiple limiting openings and limiting pieces are provided correspondingly.
[0016] Furthermore, the rear end of the fixing sleeve is detachably connected to an annular portion, which is fixedly connected to the socket housing.
[0017] Furthermore, the rear end of the rotating sleeve abuts against a positioning ring, which is detachably connected to the pin housing.
[0018] Furthermore, a first flange is fixedly provided on the outer side of the fixed sleeve, and a second flange is fixedly provided on the outer side of the rotating sleeve. The first flange and the second flange are used for detachable connection.
[0019] This invention has the following advantages: When the socket end and the pin end of this invention are interlocked, it can realize the function of multi-core signal, current and radio frequency signal transmission. Since the extension length of the main pin is longer than that of the radio frequency pin and the secondary pin, when the socket end and the pin end are interlocked, the main pin will make priority contact to form a pilot path, providing a signal locking function. Under repeated insertion and removal, this invention can achieve initial locking by relying on the damping effect of the concave and convex parts, which facilitates connection and removal, provides temporary locking, and ensures stable signal transmission. When it is necessary to fix the connector, it can be finally locked through the first flange part and the second flange part. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the limiting opening structure;
[0022] Figure 3 This is a schematic diagram of the limiting piece being inserted into the limiting opening. Detailed Implementation
[0023] The following will refer to the embodiments of this utility model. Figures 1-3 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art. It should be noted that in this utility model, "front end" or "front" refers to the end opposite to the socket end and the pin end, such as... Figure 1 The right side of the socket end and the left side of the pin end; "rear end" or "back" refers to the end where the socket end and pin end are opposite to each other, such as... Figure 1 The left side of the socket end and the right side of the pin end.
[0024] like Figure 1 A multi-core mixed coaxial connector, comprising a socket end and a pin end;
[0025] The socket end includes a socket housing 1, on which a radio frequency socket 6, a main socket 5 and multiple secondary sockets are provided; the main socket 5 is located on the central axis of the socket housing 1.
[0026] The pin end includes a pin housing 7, on which an RF pin 12, a main pin 11, and a plurality of secondary pins are provided; the RF pin 12 is adapted to the RF jack 6, the main pin 11 is adapted to the main jack 5, and the secondary pins are adapted to the secondary jacks.
[0027] The front end of the main pin 11 extends beyond the radio frequency pin 12 and the secondary pin, so that when the socket end and the pin end are interlocked, the main pin 11 is first inserted into the main socket 5.
[0028] Both the socket housing 1 and the pin housing 7 are cylindrical structures. The RF socket 6, the main socket 5, and multiple secondary sockets, as well as the RF pins 12, the main pins 11, and multiple secondary pins, are all existing technologies. When the multiple RF sockets 6 and their corresponding RF pins 12 are interlocked, they provide multi-core RF coaxial signal transmission. The main pins 11 and multiple secondary pins, as well as the corresponding main sockets 5 and multiple secondary sockets, are used for current and signal transmission.
[0029] When the socket end and pin end of this invention are interlocked, they can realize the function of multi-core signal, current and radio frequency signal transmission. Since the extension length of the main pin 11 is longer than that of the radio frequency pin 12 and the secondary pin, when the socket end and pin end are interlocked, the main pin 11 makes contact first to form a pilot path, the middle pin hole makes contact first and the outer ring pin hole makes contact later. This can realize the signal first and then the load, provide a signal locking function, and improve the signal stability of the connector. The radio frequency pin 12 and the radio frequency socket 6, and the secondary pin and the secondary socket are then connected to complete the docking, ensuring precise docking.
[0030] Furthermore, four radio frequency pins 12 and four radio frequency sockets 6 are respectively provided.
[0031] Furthermore, the secondary socket includes a first socket 2, a second socket 3, and a third socket 4; the secondary pins include a corresponding first pin 8, a second pin 9, and a third pin 10.
[0032] Furthermore, the diameter of the secondary socket is 1.3 mm, and the diameter of the main socket 5 is 1.6 mm.
[0033] This utility model also relates to two locking structures:
[0034] like Figures 1-3 It also includes a fixed sleeve 14 and a rotating sleeve 18. The fixed sleeve 14 is sleeved on the socket housing 1. The front end of the fixed sleeve 14 is provided with a limiting opening 15. The inner side of the limiting opening 15 is provided with a recess 23.
[0035] The rotating sleeve 18 is rotatably mounted on the pin housing 7. The front end of the rotating sleeve 18 is provided with a mounting groove. A limiting piece 20 is provided in the mounting groove. An elastic member 21 is provided on the outer side of the limiting piece 20. A protrusion 22 is fixedly connected to the inner side of the front end of the limiting piece 20.
[0036] The limiting opening 15 is positioned opposite to the limiting piece 20. When the insertion hole end and the insertion pin end are inserted into each other, the limiting piece 20 is inserted into the limiting opening 15. The protrusion 22 is engaged in the recess 23 by rotating the rotating sleeve 18.
[0037] Specifically, both the limiting opening 15 and the limiting piece 20 are arc-shaped, and they are coaxial with the socket housing 1 and the pin housing 7, respectively.
[0038] Furthermore, multiple limiting openings 15 and limiting pieces 20 are correspondingly provided. Multiple limiting openings 15 and limiting pieces 20 are provided around the axis of the connector, which is the axis of the socket end and the pin end.
[0039] Furthermore, the rear end of the fixing sleeve 14 is detachably connected to the annular portion 13 by means of screws, bolts, clips, etc., and the annular portion 13 is fixedly connected to the socket housing 1. The annular portion 13 is integrally formed with the socket housing 1, and the annular portion 13 is used for positioning and fixing the fixing sleeve 14.
[0040] Furthermore, the rear end of the rotating sleeve 18 abuts against the positioning ring 19, which is detachably connected to the pin housing 7 by means of screws, bolts, snaps, etc. A stepped portion may be provided between the rotating sleeve 18 and the pin housing 7 for positioning the rotating sleeve 18. The rotating sleeve 18 can be rotatably connected to the pin housing 7 through a bearing.
[0041] Furthermore, a first flange portion 16 is fixedly provided on the outer side of the fixed sleeve 14, and a second flange portion 17 is fixedly provided on the outer side of the rotating sleeve 18. The first flange portion 16 and the second flange portion 17 are used for detachable connection.
[0042] Both the first flange portion 16 and the second flange portion 17 are provided with through holes, and the first flange portion 16 and the second flange portion 17 can be connected by bolts.
[0043] It should be noted that when the limiting piece 20 is inserted into the limiting opening 15, it compresses the elastic component 21. When the protrusion 22 is engaged in the recess 23, the elastic component 21 recovers some of its deformation. Under the engagement of the recess 23 and the protrusion 22, a damping effect is formed on the rotation of the rotating sleeve 18, thus forming the first locking structure of this utility model.
[0044] In practice:
[0045] The insertion end and the insertion pin end are interlocked, allowing the limiting piece 20 to be inserted into the limiting opening 15. The elastic member 21 is compressed, and the through holes on the first flange 16 and the second flange 17 are interlocked. Then, the rotating sleeve 18 is rotated, causing the limiting piece 20 to rotate to the other end of the limiting opening 15. The side of the limiting opening 15 limits the limiting piece 20, constraining the maximum rotation stroke of the rotating sleeve 18. At this time, the protrusion 22 is in place and is engaged in the recess 23, and the elastic member 21 recovers some of its deformation. The first locking structure is formed. At this time, the through holes on the first flange 16 and the second flange 17 are aligned, so the first flange 16 and the second flange 17 can be connected by bolts to form the second locking structure.
[0046] To unlock, first remove the bolts on the first flange 16 and the second flange 17, then rotate the rotating sleeve 18 in the opposite direction to its maximum stroke, and finally pull out the pin end.
[0047] In situations such as equipment testing and debugging, production testing, on-site debugging, troubleshooting, and temporary deployment, repeated insertion and removal are required. At this time, the first flange part 16 and the second flange part 17 are not connected by bolts, but are locked only by the first locking structure.
[0048] This utility model provides a connector with a two-locking structure. Under repeated insertion and removal, it can achieve initial locking by relying on the damping effect of the recess 23 and the protrusion 22, which facilitates connection and removal, provides temporary locking, and ensures stable signal transmission. When it is necessary to fix the connector, it can be finally locked by the first flange 16 and the second flange 17.
[0049] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Any modifications, alterations, alterations, or substitutions made by those skilled in the art to the technical solutions of the present utility model without departing from the spirit of the present utility model shall fall within the protection scope defined by the claims of the present utility model.
Claims
1. A multi-core mixed-assembly coaxial connector, characterized in that, Including the socket end and the pin end; The socket end includes a socket housing (1), on which an RF socket (6), a main socket (5) and multiple secondary sockets are provided; the main socket (5) is located on the central axis of the socket housing (1); The pin end includes a pin housing (7), on which an RF pin (12), a main pin (11) and a plurality of secondary pins are provided; the RF pin (12) is adapted to the RF socket (6), the main pin (11) is adapted to the main socket (5), and the secondary pins are adapted to the secondary sockets; The front end of the main pin (11) extends beyond the radio frequency pin (12) and the secondary pin, so that when the socket end and the pin end are interlocked, the main pin (11) is first inserted into the main socket (5).
2. A multi-core mixed-assembly coaxial connector according to claim 1, characterized in that, The radio frequency pins (12) and radio frequency sockets (6) are respectively provided in fours.
3. A multi-core mixed-assembly coaxial connector according to claim 1, characterized in that, The secondary sockets include a first socket (2), a second socket (3), and a third socket (4); the secondary pins include a corresponding first pin (8), a second pin (9), and a third pin (10).
4. A multi-core mixed-assembly coaxial connector according to claim 3, characterized in that, The diameter of the secondary socket is 1.3 mm, and the diameter of the main socket (5) is 1.6 mm.
5. A multi-core mixed-assembly coaxial connector according to claim 1, characterized in that, It also includes a fixed sleeve (14) and a rotating sleeve (18). The fixed sleeve (14) is fitted onto the socket housing (1). The front end of the fixed sleeve (14) is provided with a limiting opening (15), and the inner side of the limiting opening (15) is provided with a recess (23). The rotating sleeve (18) is rotatably mounted on the pin housing (7). The front end of the rotating sleeve (18) is provided with an installation groove. A limiting piece (20) is provided in the installation groove. An elastic member (21) is provided on the outer side of the limiting piece (20). A protrusion (22) is fixedly connected to the inner side of the front end of the limiting piece (20). The limiting opening (15) is positioned opposite to the limiting piece (20). When the insertion hole end and the insertion pin end are inserted into each other, the limiting piece (20) is inserted into the limiting opening (15). By rotating the rotating sleeve (18), the protrusion (22) is engaged in the recess (23).
6. A multi-core mixed-assembly coaxial connector according to claim 5, characterized in that, The limiting opening (15) and the limiting piece (20) are both arc-shaped, and they are coaxial with the socket housing (1) and the pin housing (7), respectively.
7. A multi-core mixed-assembly coaxial connector according to claim 5, characterized in that, The limiting opening (15) and the limiting piece (20) are provided in multiple ways.
8. A multi-core mixed-assembly coaxial connector according to claim 5, characterized in that, The rear end of the fixing sleeve (14) is detachably connected to the annular part (13), and the annular part (13) is fixedly connected to the socket housing (1).
9. A multi-core mixed-assembly coaxial connector according to claim 5, characterized in that, The rear end of the rotating sleeve (18) abuts against the positioning ring (19), which is detachably connected to the pin housing (7).
10. A multi-core mixed-assembly coaxial connector according to claim 5, characterized in that, A first flange (16) is fixedly provided on the outer side of the fixed sleeve (14), and a second flange (17) is fixedly provided on the outer side of the rotating sleeve (18). The first flange (16) and the second flange (17) are used for detachable connection.