Double-end FAKRA wire end connector and connector assembly

Abstract

The double-end FAKRA wire end connector comprises a shell, a rear cover, two wire end conductor assemblies, a limiting ring, a first sealing ring and a second sealing ring, the shell comprises a main body of an integrated seamless structure and a mounting cavity penetrating through the main body, a limiting ring mounting part is arranged in the mounting cavity, and the limiting ring mounting part and the second sealing ring are arranged in the mounting cavity. The limiting ring fixes the two wire end conductor elements at intervals to form a power connection assembly, the power connection assembly is installed in the installation cavity, the limiting ring is fixed to the limiting ring installation part, the first sealing ring is connected to the outer portion of the front end of the main body in a sleeving mode, and the second sealing ring is arranged in the rear end of the installation cavity and connected to the two wire end conductor assemblies in a sleeving mode. And the rear cover sleeves the rear ends of the two wire end conductor assemblies and is integrally buckled outside the rear end of the main body. Compared with the prior art, effective water prevention is realized on the premise of not increasing the size of the connector, and the two wire end conductor assemblies can be stably fixed in the preset positions of the mounting cavity through the structure of the limiting ring.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle data connectors, and particularly to a double - headed FAKRA wire - end connector and a connector assembly. Background Art

[0002] FAKRA connectors belong to coaxial signal transmission connectors and are a kind of connector components widely used in current automobiles. They are generally applied to GPS positioning systems, remote control systems, in - vehicle telephone systems, satellite radios, and in - vehicle Internet access, etc. The MINI - type FAKRA connector is based on the SMB connector interface FAKRA to establish a unified connector system and standard, meeting the high - performance and safety requirements of the current automotive industry.

[0003] Existing double - headed FAKRA connectors generally include a housing, a position - ensuring structure, and a power - connecting component. The position - ensuring structure is inserted through a notch provided on the outer surface of the housing to fix the power - connecting component in the insertion slot of the housing. However, the connectors of this structure cannot achieve effective waterproofing. Summary of the Invention

[0004] The embodiments of the present application provide a double - headed FAKRA wire - end connector and a connector assembly, which solve the technical problem that the structure of the existing double - headed FAKRA connector cannot effectively waterproof.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A double - headed FAKRA wire - end connector includes a housing, a rear cover, two wire - end conductor assemblies, a limiting ring, a first sealing ring, and a second sealing ring. Among them, the housing includes a main body with an integrally seamless structure and an installation cavity penetrating the main body. The installation cavity has a limiting - ring installation part. The limiting ring fixes and spaces two wire - end conductor elements to form a power - connecting component. The power - connecting component is installed in the installation cavity, and the limiting ring is fixed on the limiting - ring installation part. The first sealing ring is sleeved outside the front end of the main body, and the second sealing ring is arranged inside the rear end of the installation cavity and is sleeved on the two wire - end conductor assemblies. The rear cover is sleeved on the rear ends of the two wire - end conductor assemblies and is integrally buckled outside the rear end of the main body.

[0007] Optionally, the limiting ring includes a first fixing part, a second fixing part, and a hinge part connecting the first fixing part and the second fixing part. The first fixing part has an arc - shaped first bridging part and a first engaging part connected to the first bridging part. The second fixing part has an arc - shaped second bridging part and a second engaging part connected to the second bridging part. When the limiting ring is in the installed state, the first bridging part and the second bridging part are joined face - to - face, and two circular through - slots are formed for the wire - end conductor assemblies to pass through.

[0008] Optionally, the first engaging portion and the second engaging portion respectively include a plate-shaped base portion and a first inserting portion formed by extending from the base portion. Both sides of the first inserting portion are arc-shaped structures. When the limiting ring is in the installed state, the first inserting portions on the first engaging portion and the second engaging portion respectively insert into the gap between two wire-end conductor assemblies and are connected in a tail-to-tail manner, and the arc-shaped structures are attached to the periphery of the wire-end conductor assemblies.

[0009] Optionally, the upper surfaces of the first bridging portion and the second bridging portion are respectively provided with protruding portions, and the lower surfaces are respectively provided with second inserting portions. When the limiting ring is in the installed state, the second inserting portions on the first bridging portion and the second bridging portion respectively insert into the gap between two wire-end conductor assemblies 23 and are connected in a tail-to-tail manner, and the protruding portions cooperate with the hook portions on the fixing portion of the limiting ring in the installation cavity to form a first locking structure.

[0010] Optionally, a first hook is provided at the tail of the second inserting portion on the first bridging portion, and a second hook is provided at the tail of the second inserting portion on the second bridging portion. The first hook and the second hook cooperate to form a second locking structure.

[0011] Optionally, a mating rib and a groove are respectively provided at the tails of the first inserting portions on the first engaging portion and the second engaging portion.

[0012] Optionally, the main body has a connecting portion and a plugging portion respectively located at both ends thereof, and a clamping portion located on the top surface. Plugging guide strips and a plurality of clamping strips are provided on both sides of the plugging portion, and locking buckles are provided on both sides of the connecting portion.

[0013] A connector assembly includes a double-headed FAKRA board-end connector and the above-mentioned double-headed FAKRA wire-end connector. The double-headed FAKRA board-end connector includes:

[0014] An alloy seat, on which a fixing groove and a power connection sleeve are provided, and the fixing groove communicates with the power connection sleeve;

[0015] A plugging housing, which is connected to the power connection sleeve. An insertion cavity is formed inside the plugging housing, and a limiting opening is formed on the top surface;

[0016] A terminal assembly, which is inserted into the fixing groove and extends into the insertion cavity. The terminal assembly includes an insulator and two power connection terminals provided in the insulator and extending to the power connection sleeve;

[0017] A shielding sheet, which is inserted at the rear end of the insulator and electrically isolates the two power connection terminals;

[0018] When the double - headed FAKRA wire - end connector and the double - headed FAKRA board - end connector are plugged together, one end of the main body is inserted into the plug - in cavity of the plug - in housing, and the power - connection sleeve and the terminal assembly are electrically connected to the wire - end conductor assembly respectively.

[0019] Optionally, it further includes a CPA, and the CPA fixes and limits the clamping part of the wire - end connector in the limiting opening of the board - end connector.

[0020] The double - headed FAKRA wire - end connector and the connector assembly of the present invention are provided with a housing, a rear cover, two wire - end conductor assemblies, a limiting ring, a first sealing ring, and a second sealing ring. Among them, the housing includes a main body with an integrally seamless structure and an installation cavity penetrating the main body. The installation cavity has a limiting - ring installation part. The limiting ring fixes and spaces two wire - end conductor elements to form a power - connection assembly. The power - connection assembly is installed in the installation cavity, and the limiting ring is fixed on the limiting - ring installation part. The first sealing ring is sleeved outside the front end of the main body, and the second sealing ring is arranged inside the rear end of the installation cavity and sleeved on the two wire - end conductor assemblies. The rear cover is sleeved on the rear ends of the two wire - end conductor assemblies and is integrally buckled outside the rear end of the main body. It realizes effective waterproofing without increasing the volume of the connector, and the two wire - end conductor assemblies are firmly fixed at a predetermined position in the installation cavity through the structure of the limiting ring. Brief Description of the Drawings

[0021] Figure 1 It is a three - dimensional schematic diagram of the connector assembly according to the embodiment of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the double - headed FAKRA wire - end connector according to the embodiment of the present invention;

[0023] Figure 3 It is a side view of the double - headed FAKRA wire - end connector according to the embodiment of the present invention;

[0024] Figure 4 It is an exploded schematic diagram of the double - headed FAKRA wire - end connector according to the embodiment of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the housing according to the embodiment of the present invention;

[0026] Figure 6 It is a sectional schematic diagram of the housing according to the embodiment of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the limiting ring according to the embodiment of the present invention (before installation state);

[0028] Figure 8 It is a structural schematic diagram of the limiting ring according to the embodiment of the present invention (before installation state);

[0029] Figure 9 The third structural schematic diagram of the limit ring in the embodiment of the present invention (after installation);

[0030] Figure 10 The schematic diagram of the mating state of the wire-end conductor assembly and the limit ring in the embodiment of the present invention (before installation);

[0031] Figure 11 The schematic diagram of the mating state of the wire-end conductor assembly and the limit ring in the embodiment of the present invention (after installation);

[0032] Figure 12 The schematic diagram of the mating state of the housing and the limit ring in the embodiment of the present invention (after installation);

[0033] Figure 13 The structural schematic diagram of the double-headed FAKRA board-end connector in the embodiment of the present invention;

[0034] Figure 14 The exploded schematic diagram of the double-headed FAKRA board-end connector in the embodiment of the present invention.

[0035] The reference numerals in the accompanying drawings of the specification include:

[0036] Connector assembly - 100, double-headed FAKRA wire-end connector - 200, housing - 21, main body - 211, connecting portion - 211A, plugging portion - 211B, clamping portion - 211C, plugging guide strip - 211D, clamping strip - 211E, locking buckle - 211F, installation cavity - 212, limit ring installation portion - 213, hook portion - 213A, rear cover - 22, wire-end conductor assembly - 23, limit ring - 24, first fixing portion - 241, first bridging portion - 241A, first engaging portion - 241B, second fixing portion - 242, second bridging portion - 242A, second engaging portion - 242B, hinged portion - 243, through groove - 244, protruding portion - 245, base portion - 246, first wedging portion - 247, second wedging portion - 248, arc structure - 249, first sealing ring - 25, second sealing ring - 26, CPA - 27, double-headed FAKRA board-end connector - 300, alloy seat - 31, fixing groove - 311, power connection sleeve - 312, plugging housing - 32, plugging cavity - 321, limit opening - 322, terminal assembly - 33, insulator - 331, power connection terminal - 332, shielding sheet - 34. Detailed implementation manners

[0037] By providing a double-headed FAKRA wire-end connector and a connector assembly in the embodiments of the present application, the technical problem that the structure of the existing double-headed FAKRA connector cannot effectively prevent water is solved.

[0038] The technical solutions in the embodiments of the present application to solve the above technical problems are generally as follows:

[0039] By providing a housing, a rear cover, two wire-end conductor assemblies, a limiting ring, a first sealing ring, and a second sealing ring. Among them, the housing includes a main body with an integrally seamless structure and an installation cavity penetrating the main body. The installation cavity has a limiting ring installation part. The limiting ring fixes and spaces two wire-end conductor elements to form an electricity connection assembly. The electricity connection assembly is installed in the installation cavity. The limiting ring is fixed on the limiting ring installation part. The first sealing ring is sleeved outside the front end of the main body. The second sealing ring is arranged inside the rear end of the installation cavity and sleeved on the two wire-end conductor assemblies. The rear cover is sleeved on the rear ends of the two wire-end conductor assemblies and integrally buckled outside the rear end of the main body. Effective waterproofing is achieved without increasing the volume of the connector, and the two wire-end conductor assemblies are firmly fixed in the predetermined positions of the installation cavity through the structure of the limiting ring.

[0040] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention will be made in conjunction with the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0041] It should be noted that if there are directional indications involved in this application, such as front, rear, left, right, up, down, front end, rear end, left end, right end, upper part, lower part, left side, right side, longitudinal, transverse, axial, radial, front side, back side, etc., they are all relative concepts.

[0042] As Figures 1 to 14 shown, it is an embodiment of the present application:

[0043] A connector assembly 100 includes a double-headed FAKRA board-end connector 300 and a double-headed FAKRA wire-end connector 200. Among them, the double-headed FAKRA board-end connector 300 includes: an alloy seat 31, on which a fixing groove 311 and a power connection sleeve 312 are provided, and the fixing groove 311 communicates with the power connection sleeve 312; a plugging housing 32, which is connected to the power connection sleeve 312, and an insertion cavity 321 is formed inside the plugging housing 32, and a limiting opening 322 is formed on the top surface; a terminal assembly 33, which is inserted into the fixing groove 311 and extends into the insertion cavity 321. The terminal assembly 33 includes an insulator 331 and two power connection terminals 332 provided inside the insulator 331 and extending into the power connection sleeve 312; a shielding sheet 34, which is inserted at the rear end of the insulator 331 and electrically isolates the two power connection terminals 332.

[0044] The double - headed FAKRA wire - end connector 200 includes a housing 21, a rear cover 22, two wire - end conductor assemblies 23, a limiting ring 24, a first sealing ring 25, and a second sealing ring 26. Among them, the housing 21 includes a main body 211 with an integrally seamless structure and an installation cavity 212 penetrating through the main body 211. There is a limiting - ring installation part 213 in the installation cavity 212. The limiting ring 24 fixes and spaces the two wire - end conductor elements 23 to form an electricity - connecting assembly. The electricity - connecting assembly is installed in the installation cavity 212, and the limiting ring 24 is fixed on the limiting - ring installation part 213. The first sealing ring 25 is sleeved on the outer front end of the main body 211, and the second sealing ring 26 is arranged inside the rear end of the installation cavity 212 and sleeved on the two wire - end conductor assemblies 23. The rear cover 22 is sleeved on the rear ends of the two wire - end conductor assemblies 23 and is integrally buckled on the outer rear end of the main body 211.

[0045] When the double - headed FAKRA wire - end connector 200 and the double - headed FAKRA board - end connector 300 are plugged together, one end of the main body 211 is inserted into the insertion cavity 321 of the insertion housing 32, and the electricity - connecting sleeve 312 and the terminal assembly 33 are respectively electrically connected to the wire - end conductor assembly 23.

[0046] It can be understood that the first sealing ring 25 can be integrally molded on the outer front end of the main body. The first sealing ring 25 engages with the inner wall of the insertion cavity of the insertion housing, realizing the sealing and waterproofing of the front part of the connector. The rear cover 22 presses the rear end of the second sealing ring 26 and is buckled on the outer rear end of the main body, realizing the sealing and waterproofing of the rear part of the connector. The connector main body has an integrally seamless structure, enabling the connector to achieve effective sealing and waterproofing as a whole.

[0047] Furthermore, the limiting ring 24 includes a first fixing part 241, a second fixing part 242, and a hinge part 243 connecting the first fixing part 241 and the second fixing part 242. The first fixing part 241 has an arc - shaped first bridging part 241A and a first engaging part 241B connected to the first bridging part 241A. The second fixing part 242 has an arc - shaped second bridging part 242A and a second engaging part 242B connected to the second bridging part 242A. When the limiting ring 24 is in the installed state, the first bridging part 241A and the second bridging part 242A are joined face - to - face and form two circular through - slots 244 for the two wire - end conductor assemblies 23 to pass through. The two wire - end conductor assemblies are more firmly positioned at a predetermined position in the installation cavity through the hinge - engaging structure of the limiting ring.

[0048] Further, the first engaging portion 241B and the second engaging portion 242B respectively include a plate-shaped base portion 246 and a first inserting portion 247 formed by extending from the base portion 246. Both sides of the first inserting portion 247 are arc-shaped structures 249. When the limiting ring 24 is in the installed state, the first inserting portions 247 on the first engaging portion 241B and the second engaging portion 242B respectively insert into the gap between the two wire-end conductor assemblies 23 and are connected in a tail-to-tail mating manner. The arc-shaped structures 249 are attached to the periphery of the wire-end conductor assemblies 23. During the installation process of the limiting ring, the first inserting portions 247 on the first engaging portion 241B and the second engaging portion 242B can more smoothly fit the surface of the conductor assemblies for engaging and mating connection.

[0049] Further, the upper surfaces of the first bridging portion 241A and the second bridging portion 242A are respectively provided with protruding portions 245, and the lower surfaces are respectively provided with second inserting portions 248. When the limiting ring 24 is in the installed state, the second inserting portions 248 on the first bridging portion 241A and the second bridging portion 242A respectively insert into the gap between the two wire-end conductor assemblies 23 and are connected in a tail-to-tail mating manner. The protruding portions 245 cooperate with the hook portions 213A on the limiting ring fixing portion 213 in the installation cavity 212 to form a first locking structure, so as to realize the fixed limit of the power connection component in the axial direction of the installation cavity.

[0050] Further, the tail of the second inserting portion 248 on the first bridging portion 241A is provided with a first hook, and the tail of the second inserting portion 248 on the second bridging portion 242A is provided with a second hook. The first hook and the second hook cooperate to form a second locking structure, so that a lock is achieved between the first fixing portion 241 and the second fixing portion 242, so as to stably limit the two wire-end conductor assemblies in the limiting ring.

[0051] Further, the tails of the first inserting portions 247 on the first engaging portion 241B and the second engaging portion 242B are respectively provided with mating convex ridges and grooves. The mating convex ridges and grooves play a guiding role during the installation process of the limiting ring.

[0052] Further, the main body 211 has a connecting portion 211A and a plugging portion 211B respectively located at both ends thereof, and a clamping portion 211C located on the top surface. Plugging guide strips 211D and a plurality of clamping strips 211E are provided on both sides of the plugging portion 211B. Locking latches 211F are provided on both sides of the connecting portion 211A. An axial fine groove (not shown) is further provided in the installation cavity. The fine groove limits the hinged portion in the installed state therein, so as to realize the fixed limit of the power connection component in the radial direction of the installation cavity.

[0053] Further, it further includes a CPA27, and the CPA27 fixes and positions the clamping portion 211C of the double-headed FAKRA wire-end connector 200 in the limiting opening 322 of the double-headed FAKRA board-end connector 300.

[0054] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0055] The above-described embodiments merely represent the implementation manners of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A double-headed FAKRA wire-end connector, characterized in that, It includes a housing, a rear cover, two wire-end conductor assemblies, a limiting ring, a first sealing ring, and a second sealing ring. Among them, the housing includes a main body with an integrally seamless structure and an installation cavity penetrating the main body. There is a limiting-ring installation part in the installation cavity. The limiting ring fixes and spaces two wire-end conductor elements to form an electricity-connecting assembly. The electricity-connecting assembly is installed in the installation cavity, and the limiting ring is fixed on the limiting-ring installation part. The first sealing ring is sleeved outside the front end of the main body, and the second sealing ring is arranged inside the rear end of the installation cavity and sleeved on the two wire-end conductor assemblies. The rear cover is sleeved on the rear ends of the two wire-end conductor assemblies and is integrally buckled outside the rear end of the main body.

2. The double-headed FAKRA wire-end connector according to claim 1, characterized in that, The limiting ring includes a first fixing part and a second fixing part, and a hinged part connected between the first fixing part and the second fixing part. The first fixing part has an arc-shaped first bridging part and a first engaging part connected to the first bridging part. The second fixing part has an arc-shaped second bridging part and a second engaging part connected to the second bridging part. When the limiting ring is in the installed state, the first bridging part and the second bridging part are joined face to face and form two circular through grooves for the wire-end conductor assemblies to pass through.

3. The double-ended FAKRA wire-end connector according to claim 2, wherein The first engaging part and the second engaging part respectively include a plate-shaped base part and a first wedging part extending from the base part. The two sides of the first wedging part are arc-shaped structures. When the limiting ring is in the installed state, the first wedging part on the first engaging part and the first wedging part on the second engaging part are respectively inserted into the gaps between the two wire-end conductor assemblies and the tails are paired and connected, and the arc-shaped structures are fitted around the peripheries of the wire-end conductor assemblies.

4. The double-headed FAKRA wire-end connector according to claim 3, characterized in that, Raised parts are respectively arranged on the upper surfaces of the first bridging part and the second bridging part, and second wedging parts are respectively arranged on the lower surfaces. When the limiting ring is in the installed state, the second wedging part on the first bridging part and the second wedging part on the second bridging part are respectively inserted into the gaps between the two wire-end conductor assemblies and the tails are paired and connected, and the raised parts cooperate with the hook parts on the limiting-ring fixing part in the installation cavity to form a first locking structure.

5. The double-headed FAKRA wire end connector according to claim 4, characterized in that, A first hook is provided at the tail of the second wedging part on the first bridging part, and a second hook is provided at the tail of the second wedging part on the second bridging part. The first hook and the second hook cooperate to form a second locking structure.

6. The double-headed FAKRA wire-end connector according to claim 5, characterized in that, Conjugated ridges and grooves are respectively arranged at the tails of the first wedging part on the first engaging part and the first wedging part on the second engaging part.

7. The double-headed FAKRA wire-end connector according to claim 6, characterized in that The main body has a connecting part and a plugging part respectively located at its two ends, and a clamping part located on the top surface. Plugging guide strips and several clamping strips are provided on both sides of the plugging part, and locking buckles are provided on both sides of the connecting part.

8. A connector assembly, characterized in that, It includes a double-headed FAKRA board-end connector and the double-headed FAKRA wire-end connector according to any one of claims 1-7. The double-headed FAKRA board-end connector includes: An alloy seat, on which a fixing groove and an electricity-connecting sleeve are provided, and the fixing groove communicates with the electricity-connecting sleeve; A plugging housing, which is connected to the electricity-connecting sleeve. An insertion cavity is provided inside the plugging housing, and a limiting opening is provided on the top surface; Terminal assembly, the terminal assembly is inserted into the fixing groove and extends into the plugging cavity, the terminal assembly includes an insulator and two power connection terminals arranged in the insulator and extending to the power connection sleeve; Shielding sheet, inserted at the rear end of the insulator and electrically isolating the two power connection terminals; When the double-headed FAKRA wire-end connector and the double-headed FAKRA board-end connector are plugged, one end of the main body is inserted into the plugging cavity of the plugging housing, and the power connection sleeve and the terminal assembly are respectively electrically connected to the wire-end conductor assembly.

9. The connector assembly according to claim 8, wherein It further includes a CPA, and the CPA fixes and positions the clamping portion of the wire-end connector in the limiting opening of the board-end connector.

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