Connector for converting FAKRA into SMB port
Through the design of special-shaped sealing rings and specific structures, the high cost and complex assembly problems of FAKRA to SMB port connectors are solved, achieving efficient sealing performance and low-cost production.
Patent Information
- Application Number
- CN202422596765.8
- 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
The plastic parts of the existing FAKRA to SMB port connector have high mold opening and manufacturing costs, complex assembly, and difficult to meet the waterproof requirements of IP69 or above.
A connector design with special-shaped seals and specific structures, including reduced width mounting slots and clamping steps, combined with elastic clamps and plug-in tables, reduces the number of seals, improves sealing and simplifies the assembly process.
It reduces the manufacturing cost and assembly difficulty of the connector, and meets the waterproof requirements of IP69 or above, improving the sealing effect.
Smart Images

Figure CN223285338U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of port transfer connectors, in particular to a FAKRA to SMB port connector. Background Art
[0002] The fakra port and smb port of the existing FAKRA to SMB port connector are isolated and installed in the housing through multiple O-rings.
[0003] To ensure that the connector can meet the waterproof requirements of IP69 and above, the shell needs to be designed with multiple slots to install multiple O-rings. Accordingly, the Fakra port assembly and SMB port assembly must also be designed with corresponding sealing ring slots.
[0004] However, although the above design can meet the waterproof requirements, the mold opening and manufacturing costs of the plastic parts of the shell are relatively high, and the conductors of the Fakra port assembly and the SMB port assembly also need to be grooved to match the installation of the sealing ring, which ultimately makes the cost of the entire connector high. Moreover, the assembly of the connector is relatively troublesome.
[0005] Therefore, there is an urgent need for a FAKRA to SMB port connector that can solve one or more of the above problems. Utility Model Content
[0006] To address one or more problems existing in the prior art, the present invention provides a FAKRA to SMB port connector. The present invention employs the following technical solutions to address the aforementioned problems: a FAKRA to SMB port connector comprising: a housing having a through hole formed therein, wherein a first mounting slot, a second mounting slot, a third mounting slot, and a fourth mounting slot are formed within the through hole, the first mounting slot having an open end that forms an SMB port, and the fourth mounting slot having an open end that forms a FAKRA port;
[0007] A second clamping step is formed between the second mounting groove and the third mounting groove, a third clamping step is formed between the third mounting groove and the fourth mounting groove, and a fourth clamping step is formed at the open end of the fourth mounting groove;
[0008] An elastic clip is installed in the fourth installation slot, and a first end of the elastic clip is engaged with the fourth engaging step. A plug-in platform is installed in the third installation slot, and the plug-in platform abuts against the elastic clip, and the plug-in platform is engaged with the third engaging step.
[0009] A special-shaped sealing ring is installed in the third installation groove, and the special-shaped sealing ring is located on the side of the plug-in platform away from the elastic clip. The end surface of the special-shaped sealing ring is provided with a first isolation flange and a second isolation flange connected end to end, and a sealing groove is formed between the first isolation flange and the second isolation flange. An inner sealing flange is formed in the installation through hole of the special-shaped sealing ring, and an outer sealing flange is formed on the outer side wall of the special-shaped sealing ring;
[0010] An outer support is installed in the second installation groove, an inner support is inserted in the outer support, the outer support is engaged with the second engaging step, and a connecting gap between the outer support and the inner support is located in the sealing groove;
[0011] A center needle is inserted into the inner support, the mounting through hole and the docking station and is fixed in a limited position.
[0012] In some embodiments, the center needle includes: a first section, the first section is flanked by a second section and a third section, the second section is formed with an elastic clip at one end away from the first section, the third section is formed with a pin section at one end away from the first section, the elastic clip is located in the through hole of the docking station, and the pin section is located in the through hole of the inner support.
[0013] Furthermore, a clamping flange is provided on the outer side wall of the third section, and the clamping flange is clamped with the through hole of the inner support.
[0014] Furthermore, two ends of the first section are respectively connected to the inner support and the docking station.
[0015] In some embodiments, the inner support is provided with a first step, and the outer support is provided with a second step, and the first step is engaged with the second step.
[0016] In some embodiments, a connecting platform is provided at one end of the outer support, and the connecting platform is installed in the second installation groove.
[0017] Furthermore, the outer side wall of the connecting platform is provided with a plurality of protrusions, and the protrusions are tightly connected to the side wall of the second mounting groove.
[0018] In some embodiments, the end surface of the inner support facing the special-shaped sealing ring is provided with a butt joint flange connected head to tail, and the butt joint flange is located in the sealing groove.
[0019] In some embodiments, a first locking step is formed between the first mounting groove and the second mounting groove.
[0020] In some embodiments, a groove opening toward the SMB port is provided on the outer wall of the housing, a sealing ring is installed in the groove, and a sealing cover is installed on the periphery of the SMB port of the housing, and the sealing cover is pressed tightly on the sealing ring.
[0021] The technical effects achieved by the present invention are as follows: on the basis of realizing the FAKRA to SMB port conversion, the structure of the connector is improved to achieve a better sealing effect; the traditional multiple sealing ring structure is replaced by the above-mentioned special-shaped sealing ring and the corresponding component structure, thereby improving the sealing performance of the connection gap between the components and reducing the number of traditional annular sealing rings used, so that the component structure does not need to open corresponding grooves and steps to adapt to the sealing ring, thereby reducing the manufacturing cost of the component and the assembly cost of the connector. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 A schematic diagram of the present utility model;
[0023] Figure 2 This is an exploded view of the utility model;
[0024] Figure 3 It is a cross-sectional view of the utility model;
[0025] Figure 4 Schematic diagram of the special-shaped sealing ring of the present invention;
[0026] Figure 5 Schematic diagram of the center needle of the present invention;
[0027] Figure 6 is a cross-sectional view of the housing of the utility model;
[0028] Figure 7 It is a schematic diagram of the combination of the outer support and the inner support of the utility model;
[0029] Figure 8 This is a cross-sectional view of the outer support and inner support of the utility model after being combined.
[0030] Reference numerals
[0031] 1. Housing 10, through hole 100, first mounting groove 101, first snap-fit step 11, second mounting groove 110, second snap-fit step 12, third mounting groove 120, third snap-fit step 13, fourth mounting groove 130, fourth snap-fit step 14, groove 15, SMB port 16, Fakra port 2, elastic clip 3, plugging platform 4, center pin 40, first section 41, second section 410, elastic clip 42, third section 420, snap-fit flange 43, pin section 5, special-shaped sealing ring 50, first isolation flange 51, second isolation flange 52, sealing groove 53, mounting through hole 54, inner sealing flange 55, outer sealing flange 6, inner support 60, docking flange 61, first step 7, outer support 70, connecting platform 701, protrusion 71, second step 72, gap 8, sealing ring 9, sealing cover. DETAILED DESCRIPTION
[0032] 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.
[0033] like Figure 1 As shown, the utility model discloses a FAKRA to SMB port connector, which includes: a housing 1, a Figure 6 As shown, the housing 1 is provided with a through hole 10, and a first mounting groove 100, a second mounting groove 11, a third mounting groove 12 and a fourth mounting groove 13 are formed in the through hole 10, the widths of which decrease in sequence. The opening end of the first mounting groove 100 is an SMB port 15, and the opening end of the fourth mounting groove 13 is a Fakra port 16;
[0034] A second engaging step 110 is formed between the second mounting groove 11 and the third mounting groove 12 , a third engaging step 120 is formed between the third mounting groove 12 and the fourth mounting groove 13 , and a fourth engaging step 130 is formed at the open end of the fourth mounting groove 13 ;
[0035] Combine Figure 2 、 Figure 3 As shown, an elastic clip 2 is installed in the fourth mounting groove 13, and the elastic clip 2 is used to fasten the inserted plug. The first end of the elastic clip 2 is engaged with the fourth engaging step 130. A plug-in platform 3 is installed in the third mounting groove 12, and the plug-in platform 3 abuts against the second end of the elastic clip 2. The plug-in platform 3 is engaged with the third engaging step 120.
[0036] Combine Figure 2-Figure 4 As shown, a special-shaped sealing ring 5 is installed in the third mounting groove 12. The special-shaped sealing ring 5 is located on the side of the plug-in platform 3 away from the elastic clip 2. The end surface of the special-shaped sealing ring 5 is provided with a first isolation flange 50 and a second isolation flange 51 connected end to end. A sealing groove 52 is formed between the first isolation flange 50 and the second isolation flange 51. An inner sealing flange 54 connected end to end is formed in the mounting through hole 53 of the special-shaped sealing ring 5. An outer side wall of the special-shaped sealing ring 5 is formed with an outer sealing flange 55 connected end to end.
[0037] Combine Figure 2 、 Figure 3 、 Figure 7 、 Figure 8 As shown, the outer support 7 is installed in the second mounting groove 11, the inner support 6 is inserted into the outer support 7, the outer support 7 is engaged with the second engaging step 110, and the connecting gap between the outer support 7 and the inner support 6 is located in the sealing groove 52;
[0038] Combine Figure 5 As shown, the center needle 4 is inserted into the inner support 6, the mounting through hole 53 and the docking station 3 and is fixed in position.
[0039] It should be pointed out that, combined with Figure 3 、 Figure 6 As shown, a first engaging step 101 is formed between the first mounting groove 100 and the second mounting groove 11 . The first engaging step 101 is used to abut against the inserted plug, thereby limiting the insertion stroke of the plug.
[0040] Again, combined Figure 8 As shown, the outer support 7 and the inner support 6 are away from one side of the special-shaped sealing ring 5, and the gap 72 between them gradually decreases until they are tightly connected, so as to ensure that the inner support 6 can be smoothly inserted into the outer support 7 and guarantee the sealing performance.
[0041] Specifically, combined Figure 3 、 Figure 5 As shown, the center needle 4 includes: a first section 40, with a second section 41 and a third section 42 on both sides of the first section 40, an elastic clip 410 is formed on the end of the second section 41 away from the first section 40, and a pin section 43 is formed on the end of the third section 42 away from the first section 40, the elastic clip 410 is located in the through hole of the docking station 3, and the pin section 43 is located in the through hole of the inner support 6;
[0042] A snap-fit flange 420 is provided on the outer wall of the third section 42, and the snap-fit flange 420 is snap-fitted with the through hole of the inner support 6. The two ends of the first section 40 are snap-fitted with the inner support 6 and the docking station 3 respectively to ensure that the center needle 4 does not slip during use.
[0043] Specifically, combined Figure 7 、 Figure 8 As shown, the inner support 6 is provided with a first step 61, and the outer support 7 is provided with a second step 71. The first step 61 is engaged with the second step 71, so that after the outer support 7 is fastened to the second mounting groove 11, the inner support 6 is also pressed and fixed together to avoid leaving any extra gaps.
[0044] Furthermore, a connecting platform 70 is provided at one end of the outer support 7, and the connecting platform 70 is installed in the second mounting groove 11. The outer side wall of the connecting platform 70 is provided with a plurality of protrusions 701, and the protrusions 701 are tightly connected with the side wall of the second mounting groove 11 (interference fit);
[0045] The end surface of the inner support 6 facing the special-shaped sealing ring 5 is provided with a butt joint flange 60 connected end to end. The butt joint flange 60 is located in the sealing groove 52 .
[0046] The docking flange 60 is provided to ensure that the connection gap between the outer support 7 and the inner support 6 can be accurately aligned with the sealing groove 52. At the same time, the docking flange 60 can be pushed into the bottom surface of the sealing groove 52 to improve the sealing performance.
[0047] Specifically, combined Figure 1-Figure 3 As shown, a groove 14 with an opening toward the SMB port 15 is provided on the outer wall of the housing 1, and a sealing ring 8 is installed in the groove 14. A sealing cover 9 is installed on the periphery of the SMB port 15 of the housing 1, and the sealing cover 9 is pressed tightly on the sealing ring 8. The housing 1 is provided with a countersunk hole for fixed connection.
[0048] To sum up, the connector of the present application improves the structure of the connector on the basis of realizing the FAKRA to SMB port to achieve a better sealing effect; the traditional multiple sealing ring structure is replaced by the above-mentioned special-shaped sealing ring and the corresponding component structure, thereby improving the sealing of the connection gap between the components and reducing the number of traditional annular sealing rings used, so that the component structure does not need to open corresponding grooves and steps to adapt to the sealing ring, thereby reducing the manufacturing cost of the component and reducing the assembly cost of the connector.
[0049] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.
[0050] 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 FAKRA to SMB port connector, characterized in that: The invention comprises: a housing, wherein the housing is provided with a through hole, wherein a first mounting groove, a second mounting groove, a third mounting groove and a fourth mounting groove are formed in the through hole, the widths of which decrease in sequence, the opening end of the first mounting groove is an SMB port, and the opening end of the fourth mounting groove is a Fakra port; A second clamping step is formed between the second mounting groove and the third mounting groove, a third clamping step is formed between the third mounting groove and the fourth mounting groove, and a fourth clamping step is formed at the open end of the fourth mounting groove; An elastic clip is installed in the fourth installation slot, and the elastic clip is engaged with the fourth engaging step. A plug-in platform is installed in the third installation slot, and the plug-in platform abuts against the elastic clip, and the plug-in platform is engaged with the third engaging step. A special-shaped sealing ring is installed in the third installation groove, and the special-shaped sealing ring is located on the side of the plug-in platform away from the elastic clip. The end surface of the special-shaped sealing ring is provided with a first isolation flange and a second isolation flange connected end to end, and a sealing groove is formed between the first isolation flange and the second isolation flange. An inner sealing flange is formed in the installation through hole of the special-shaped sealing ring, and an outer sealing flange is formed on the outer side wall of the special-shaped sealing ring; An outer support is installed in the second installation groove, an inner support is inserted in the outer support, the outer support is engaged with the second engaging step, and a connecting gap between the outer support and the inner support is located in the sealing groove; A center needle is inserted into the inner support, the mounting through hole and the docking station and is fixed in a limited position.
2. The FAKRA to SMB port connector according to claim 1, characterized in that: The center needle includes: a first section, the first section is flanked by a second section and a third section, the second section is formed with an elastic clip at one end away from the first section, the third section is formed with a pin section at one end away from the first section, the elastic clip is located in the through hole of the docking station, and the pin section is located in the through hole of the inner support.
3. The FAKRA to SMB port connector according to claim 2, characterized in that: A clamping flange is provided on the outer side wall of the third section, and the clamping flange is clamped with the through hole of the inner support.
4. The FAKRA to SMB port connector according to claim 2, characterized in that: Two ends of the first section are respectively connected to the inner support and the plug-in platform.
5. The FAKRA to SMB port connector according to claim 1, characterized in that: The inner support is provided with a first step, and the outer support is provided with a second step, and the first step is engaged with the second step.
6. The FAKRA to SMB port connector according to claim 1, characterized in that: A connecting platform is provided at one end of the outer support, and the connecting platform is installed in the second installation groove.
7. The FAKRA to SMB port connector according to claim 6, characterized in that: The outer side wall of the connecting platform is provided with a plurality of protrusions, and the protrusions are tightly connected to the side wall of the second mounting groove.
8. The FAKRA to SMB port connector according to claim 1, characterized in that: The end surface of the inner support facing the special-shaped sealing ring is provided with a butt joint flange connected head to tail, and the butt joint flange is located in the sealing groove.
9. The FAKRA to SMB port connector according to claim 1, characterized in that: A first clamping step is formed between the first mounting groove and the second mounting groove.
10. The FAKRA to SMB port connector according to claim 1, characterized in that: A groove opening toward the SMB port is provided on the outer side wall of the housing, a sealing ring is installed in the groove, and a sealing cover is installed on the periphery of the SMB port of the housing, and the sealing cover is pressed tightly on the sealing ring.