Novel totally-enclosed mini FaKra four-in-one board end connector
By designing the main body and cover structure of the fully enclosed mini FaKra four-in-one board-end connector, the problems of insulator backing and soldering tin deficiency are solved, and the stable isolation and high electrical performance of the terminal assembly are achieved.
Patent Information
- Application Number
- CN202422596729.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Existing vehicle-mounted connectors have the risk of insulator retraction, which affects the stability and reliability of the plug-in. Tin deficiency is prone to occur when the terminals are soldered to the PCB, and the electrical performance needs to be improved.
A new fully enclosed mini FaKra four-in-one board end connector was designed, adopting the main body and cover structure, with a limit flange and a slot structure, enhancing the connection between the insulator and the terminal through the glue wrapping process, and using a cylindrical positioning column for positioning and welding to ensure that the terminal components are isolated and stable from each other.
It improves the isolation and overall strength of the terminal assembly, avoids insulator regression, reduces the risk of welding tin deficiency, and improves the electrical performance and reliability of the product.
Smart Images

Figure CN223285316U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle-mounted controller signal ports, in particular to a novel fully enclosed mini FaKra four-in-one board-end connector. Background Art
[0002] Automotive coaxial connectors are primarily used for high-frequency data and signal transmission. They must exhibit strong resistance to electromagnetic interference, meet the requirements of miniaturization, high sealing and shielding performance, and comply with automotive standards and specifications. For example, they are used in automotive millimeter-wave radar, lidar, cameras, and sensors to enable functions such as assisted driving and parking.
[0003] During assembly and use, existing connectors face the risk of insulators retreating, impacting the stability and reliability of male and female connector connections. Furthermore, soldering the connector terminals to the PCB can lead to soldering failures. To improve the electrical performance (isolation) of the connector, each signal channel also requires improved isolation structures.
[0004] Therefore, there is an urgent need for a new fully enclosed mini FaKra four-in-one board-end connector that can solve one or more of the above problems. Utility Model Content
[0005] To address one or more problems existing in the prior art, the present invention provides a new fully enclosed mini FaKra four-in-one board-end connector. The present invention employs the following technical solutions to address the aforementioned problems: a new fully enclosed mini FaKra four-in-one board-end connector comprising: a housing, a body mounted within the housing, and four docking sockets of the body being inserted into openings of the housing;
[0006] The main body is provided with a main mounting groove, and two first mounting grooves and two second mounting grooves are formed in the main mounting groove, the two first mounting grooves are separated by a first partition, the docking tube is located in front of the first mounting groove, and the second mounting groove is located behind the first mounting groove, and the two second mounting grooves are separated by a second partition, the two first mounting grooves are respectively communicated with the two docking tubes, and the two second mounting grooves are respectively communicated with the two docking tubes;
[0007] The first and second mounting grooves are provided with terminal assemblies, the terminal assemblies comprising: an insulator and a terminal, the terminal being mounted in the insulator by a rubber encapsulation process, with both ends of the terminal extending out of both ends of the insulator;
[0008] The main installation slot is installed in a cover, the cover is provided with two first slots and two docking slots, a second slot is provided on the side of the docking slot, the two first slots are separated by a third partition plate, the first slot and the docking slot are separated by a fourth partition plate, and the two docking slots are separated by a fifth partition plate, the first slot faces the back surface of the terminal assembly in the first installation slot, and the second slot faces the back surface of the terminal assembly in the second installation slot;
[0009] The terminal assembly in the second installation slot is inserted into the docking slot, the first slot is provided with a first limiting flange, the first limiting flange supports the relative terminal assembly, the second slot is provided with a second limiting flange, the second limiting flange supports the relative terminal assembly; the main installation slot and the cover isolate the four terminal assemblies from each other.
[0010] In some embodiments, the second portion of the insulator is inserted into the docking sleeve, the first portion of the insulator is connected to the second portion, the first portion is inserted into the channel formed by the cover and the main mounting groove, the first portion is provided with a side groove, and a section of the terminal is exposed in the side groove;
[0011] The side groove of the insulator located in the first installation groove faces the first slot and is combined with the first slot to form a slot structure;
[0012] The side groove of the insulator located in the second installation groove faces the second slot and is combined with the second slot to form a card slot structure.
[0013] In some embodiments, the first limiting flange is provided on both sides of the first slot, and the second limiting flange is provided on both sides of the second slot.
[0014] In some embodiments, the main body is provided with a first connecting column, which is used for welding with a PCB; the cover is provided with a positioning column, which is a cylinder, and is used for positioning with the PCB.
[0015] In some embodiments, a fixing groove is provided on a side of the cover facing away from the docking tube, and the fixing groove is used for fixing the cover to the main body.
[0016] In some embodiments, a first card slot is provided on the bottom surface of the main installation slot, and the cover is provided with a first flange matching the first card slot, and the first flange is engaged with the first card slot.
[0017] In some embodiments, the outer side wall of the cover is provided with a docking flange, the thickness of the docking flange gradually decreases from top to bottom, and the docking flange is used for clamping the cover and the main body.
[0018] In some embodiments, the housing is provided with a pin slot, and the body is provided with a limit pin slot;
[0019] After the shell and the main body are assembled in place, the pin groove is communicated with the limiting pin groove, and the latch pin is inserted into the pin groove and the limiting pin groove.
[0020] In some embodiments, the two first mounting grooves are located above the two second mounting grooves, and a step is formed between the first mounting groove and the second mounting groove.
[0021] In some embodiments, a first step is formed on the inner side surface of the main installation groove, and a second step is formed on the outer side surface of the cover, and the first step is engaged with the second step.
[0022] The technical effects achieved by the utility model are as follows: the isolation between the four terminal assemblies is improved through the structure of the main body and the cover, thereby improving the electrical performance of the product; the insulator wraps the terminal through the encapsulation process, thereby improving the integrity and strength, and avoiding the rear end of the terminal from retreating during use; the terminal assembly is supported by setting the first and second limiting flanges, thereby avoiding the risk of the insulator retreating, and at the same time, the slot and the side groove of the insulator also form a card slot structure for easy use; the cover is provided with a cylindrical positioning column to reduce the risk of tin deficiency during subsequent welding and improve the product yield; the combined structure of the cover and the main body is stable and reliable, and can effectively avoid loosening and falling off. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A schematic diagram of the present utility model;
[0024] Figure 2 This is an exploded view of the utility model;
[0025] Figure 3 This is a schematic diagram of the docking of the main body and the cover of the utility model;
[0026] Figure 4 This is a schematic diagram of the assembly of the main body and terminal components of the utility model;
[0027] Figure 5 A schematic diagram of the main body of the utility model;
[0028] Figure 6 is a schematic diagram of the lid of the present invention;
[0029] Figure 7is a schematic diagram of the terminal assembly of the present utility model;
[0030] Figure 8 A schematic diagram of an existing terminal assembly.
[0031] Reference numerals
[0032] 1. Housing 10, Pin slot 11, Pin 2, Main body 20, Docking sleeve 21, Main mounting slot 210, First step 22, First mounting slot 220, First partition 23, Second mounting slot 230, Second partition 24, First slot 25, First connecting column 26, Limiting pin slot 3, Terminal assembly 30, Insulator 31, First part 310, Side slot 32, Second part 33, Terminal 330, Section 4, Long terminal assembly 40, Long insulator 41, Third Part 410, second side groove 42, fourth part 43, long terminal 430, section 5 of long terminal, cover 50, first slot 500, third partition 501, first limiting flange 51, docking slot 510, second slot 511, second limiting flange 52, fourth partition 53, fifth partition 54, positioning column 55, fixing groove 56, docking flange 57, first flange 58, second step 6, insulator 60, slot 7, terminal 70, vertical section. DETAILED DESCRIPTION
[0033] To make the above-mentioned objects, features, and advantages of the present invention more readily understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0034] The utility model discloses a new fully enclosed mini FaKra four-in-one board-end connector, which comprises: a shell 1, a Figure 1-Figure 2 As shown, the main body 2 is installed in the shell 1, and the four docking sockets 20 of the main body 2 are installed in the openings of the shell 1;
[0035] Combine Figure 2-Figure 6As shown, the main body 2 is provided with a main mounting groove 21, and two first mounting grooves 22 and two second mounting grooves 23 are formed in the main mounting groove 21. The two first mounting grooves 22 are separated by a first partition 220. The docking tube 20 is located in front of the first mounting groove 22, and the second mounting groove 23 is located behind the first mounting groove 22. The two second mounting grooves 23 are separated by a second partition 230. The two first mounting grooves 22 are respectively communicated with the two docking tubes 20, and the two second mounting grooves 23 are respectively communicated with the two docking tubes 20;
[0036] The two first mounting grooves 22 are located above the two second mounting grooves 23 , and a step is formed between the first mounting grooves 22 and the second mounting grooves 23 ;
[0037] Combine Figure 7 As shown, the first and second mounting grooves are provided with terminal assemblies 3, the terminal assembly 3 comprising: an insulator 30 and a terminal 33, the terminal 33 being installed in the insulator 30 by a rubber encapsulation process, with both ends of the terminal 33 extending out of both ends of the insulator 30;
[0038] Combine Figure 2-Figure 6 As shown, the main mounting groove 21 is installed in the cover 5, and the cover 5 is provided with two first slots 50 and two docking slots 51. The side of the docking slot 51 is provided with a second slot 510. The two first slots 50 are separated by a third partition 500, and the first slots 50 and the docking slot 51 are separated by a fourth partition 52. The two docking slots 51 are separated by a fifth partition 53. The first slots 50 face the back surface of the terminal assembly 3 in the first mounting groove 22, and the second slots 510 face the back surface of the terminal assembly 3 in the second mounting groove 23.
[0039] The terminal assembly 3 in the second installation groove 23 is inserted into the docking groove 51, the first slot 50 is provided with a first limiting flange 501, the first limiting flange 501 supports the relative terminal assembly 3, the second slot 510 is provided with a second limiting flange 511, the second limiting flange 511 supports the relative terminal assembly 3; the main installation groove 21 and the cover 5 isolate the four terminal assemblies 3 from each other.
[0040] Specifically, combined Figure 2 As shown, the shell 1 is provided with a pin groove 10, and the main body 2 is provided with a limit pin groove 26; after the shell 1 and the main body 2 are assembled in place, the pin groove 10 is connected with the limit pin groove 26, and the pin 11 is inserted into the pin groove 10 and the limit pin groove 26.
[0041] Specifically, combined Figure 3-Figure 7 As shown, the second portion 32 of the insulator 30 is inserted into the docking sleeve 20, the first portion 31 of the insulator 30 is connected to the second portion 32, and the first portion 31 is installed in the channel formed by the cover 5 and the main mounting groove 21. The first portion 31 is provided with a side groove 310, and a section 330 of the terminal 33 is exposed in the side groove 310;
[0042] The side groove 310 of the insulator 30 located in the first installation groove 22 faces the first slot 50 and is combined with the first slot 50 to form a card slot structure;
[0043] The side groove 310 of the insulator 30 located in the second installation groove 23 faces the second slot 510 and is combined with the second slot 510 to form a slot structure;
[0044] The external component can be inserted into the above-mentioned slot structure for fixation and electrically connected to the exposed section 330 of the terminal 33 .
[0045] It should be noted that if Figure 8 As shown, the conventional terminal assembly includes: an insulator 6 and a terminal 7, wherein the vertical portion of the insulator 6 is provided with a slot 60 for installation, the terminal 7 is inserted into the insulator 6 through the slot 60, and the vertical section of the terminal 7 is clamped in the slot 60. When this conventional terminal assembly is in use, the terminal 7 is easily withdrawn from the slot 60, resulting in pin withdrawal.
[0046] Combine Figure 7 As shown, the terminal 33 is installed in the insulator 30 through a rubber encapsulation process, so as to prevent the terminal 33 from withdrawing from the insulator 30 and ensure the reliability of the product;
[0047] The terminal assembly 3 is divided into a long terminal assembly 4 and a short terminal assembly, and the structural difference between them lies in the length of the terminals and the insulators. For example, the long terminal assembly 4 includes: a long insulator 40 and a long terminal 43. The long insulator 40 is formed with a third part 41 and a fourth part 42. The third part 41 is provided with a second side groove 410. A section 430 of the long terminal is contained in the second side groove 410, and a section 430 of the long terminal is also exposed in the second side groove 410. The assembly relationship between the third part 41 and the fourth part 42 is the same as that between the first part 31 and the second part 32.
[0048] Specifically, combined Figure 6As shown, the first limiting flange 501 is provided on both sides of the first slot 50, and the second limiting flange 511 is provided on both sides of the second slot 510. The first and second limiting flanges are used to prevent the corresponding terminal assembly 3 from being pushed into the first slot 50 or the second slot 510, thereby avoiding the risk of the insulator 30 retreating and ensuring the reliability of the product.
[0049] Specifically, combined Figure 1 、 Figure 5 、 Figure 6 As shown, the main body 2 is provided with a first connecting post 25 for soldering to a PCB. The cover 5 is provided with a cylindrical positioning post 54 for positioning the PCB. The cylindrical positioning post 54 ensures the product is properly positioned and docked with the PCB, reduces the risk of tin deficiency during soldering, and improves product yield and reliability.
[0050] Specifically, combined Figure 3 As shown, a fixing groove 55 is provided on the side of the cover 5 facing away from the docking tube 20, and the fixing groove 55 is used for fixing the cover 5 to the main body 2;
[0051] The bottom surface of the main installation slot 21 is provided with a first card slot 24 , and the cover 5 is provided with a first flange 57 matching the first card slot 24 . The first flange 57 is engaged with the first card slot 24 to facilitate positioning and assembly.
[0052] Specifically, combined Figure 5 、 Figure 6 As shown, a first step 210 is formed on the inner side of the main installation groove 21, and a second step 58 is formed on the outer side of the cover 5. The first step 210 is engaged with the second step 58 to ensure the firmness of the cover after assembly.
[0053] Specifically, combined Figure 6 As shown, the outer side wall of the cover 5 is provided with a docking flange 56 , the thickness of which gradually decreases from top to bottom. The docking flange 56 is used for clamping the cover 5 with the main body 2 , thereby improving the firmness of the assembly of the cover 5 on the main body 2 .
[0054] To sum up, the structure of the main body and the cover can improve the isolation between the four terminal assemblies, thereby improving the electrical performance of the product; the insulator wraps the terminal through the encapsulation process, thereby improving the integrity and strength, and avoiding the rear end of the terminal from retreating during use; the terminal assembly is supported by setting the first and second limiting flanges, thereby avoiding the risk of the insulator retreating. At the same time, the slot and the side groove of the insulator also form a card slot structure for easy use; the cover is provided with a cylindrical positioning column to reduce the risk of tin deficiency during subsequent welding and improve the product yield; the combined structure of the cover and the main body is stable and reliable, and can effectively prevent loosening and falling off.
[0055] The embodiments described above merely represent one or more implementations of the present invention. While their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.
Claims
1. A new fully enclosed miniFaKra four-in-one board-end connector, characterized in that: include: a shell, wherein a main body is installed in the shell, and four docking sockets of the main body are installed in openings of the shell; The main body is provided with a main mounting groove, and two first mounting grooves and two second mounting grooves are formed in the main mounting groove, the two first mounting grooves are separated by a first partition, the docking tube is located in front of the first mounting groove, and the second mounting groove is located behind the first mounting groove, and the two second mounting grooves are separated by a second partition, the two first mounting grooves are respectively communicated with the two docking tubes, and the two second mounting grooves are respectively communicated with the two docking tubes; The first and second mounting grooves are provided with terminal assemblies, the terminal assemblies comprising: an insulator and a terminal, the terminal being mounted in the insulator by a rubber encapsulation process, with both ends of the terminal extending out of both ends of the insulator; The main installation slot is installed in a cover, the cover is provided with two first slots and two docking slots, a second slot is provided on the side of the docking slot, the two first slots are separated by a third partition plate, the first slot and the docking slot are separated by a fourth partition plate, and the two docking slots are separated by a fifth partition plate, the first slot faces the back surface of the terminal assembly in the first installation slot, and the second slot faces the back surface of the terminal assembly in the second installation slot; The terminal assembly in the second installation slot is inserted into the docking slot, the first slot is provided with a first limiting flange, the first limiting flange supports the relative terminal assembly, the second slot is provided with a second limiting flange, the second limiting flange supports the relative terminal assembly; the main installation slot and the cover isolate the four terminal assemblies from each other.
2. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1 is characterized in that: The second part of the insulator is inserted into the docking sleeve, the first part of the insulator is connected to the second part, the first part is installed in the channel formed by the cover and the main installation groove, the first part is provided with a side groove, and a section of the terminal is exposed in the side groove; The side groove of the insulator located in the first installation groove faces the first slot and is combined with the first slot to form a slot structure; The side groove of the insulator located in the second installation groove faces the second slot and is combined with the second slot to form a card slot structure.
3. The new fully enclosed miniFaKra four-in-one board-end connector according to claim 1 is characterized in that: The first limiting flange is arranged on both sides of the first slot, and the second limiting flange is arranged on both sides of the second slot.
4. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1 is characterized in that: The main body is provided with a first connecting column, which is used for welding with the PCB; the cover is provided with a positioning column, which is a cylinder and is used for positioning with the PCB.
5. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1 is characterized in that: A fixing groove is provided on a side of the cover facing away from the docking tube, and the fixing groove is used for fixing the cover to the main body.
6. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1 is characterized in that: The bottom surface of the main installation slot is provided with a first card slot, and the cover is provided with a first flange matching the first card slot, and the first flange is engaged with the first card slot.
7. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1 is characterized in that: The outer side wall of the cover is provided with a docking flange, the thickness of the docking flange gradually decreases from top to bottom, and the docking flange is used for clamping the cover and the main body.
8. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1 is characterized in that: The shell is provided with a pin groove, and the main body is provided with a limit pin groove; After the shell and the main body are assembled in place, the pin groove is communicated with the limiting pin groove, and the latch pin is inserted into the pin groove and the limiting pin groove.
9. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1, characterized in that: The two first mounting grooves are located on the upper sides of the two second mounting grooves, and a step is formed between the first mounting groove and the second mounting groove.
10. The novel fully enclosed miniFaKra four-in-one board-end connector according to claim 1, characterized in that: A first step is formed on the inner side surface of the main installation groove, and a second step is formed on the outer side surface of the cover, and the first step is engaged with the second step.