MINI FAKRA Connector

Abstract

The present invention discloses a MINI type FAKRA connector, comprising a shell, a zinc alloy upper seat, a zinc alloy lower seat, a plurality of long insulators, a plurality of short insulators, and a plurality of long terminals and a plurality of short terminals respectively inserted in the plurality of long insulators and the plurality of short insulators in a one-to-one correspondence, wherein the plurality of long insulators and the plurality of short insulators are inserted in the zinc alloy upper seat, the zinc alloy lower seat is inserted below the zinc alloy upper seat, the shell is provided with a receiving cavity, a receiving hole and a connecting portion, the connecting portion is provided with a plurality of connecting cavities, the zinc alloy upper seat comprises an integrally formed zinc alloy upper body and a matching portion and a plurality of outer tubes, the plurality of outer tubes of the zinc alloy upper seat pass through a plurality of receiving holes from the connecting cavity of the shell and are accommodated in the receiving cavity, the matching portion cooperates with the connecting portion to fix the zinc alloy upper seat at the rear of the shell, and such a structural arrangement achieves the effect of improving the convenience of use while simplifying the production process and improving the production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile connectors, in particular to a MINI type FAKRA connector. Background Art

[0002] FAKRA connectors are a type of connector component that is widely used in automobiles, and are generally used in GPS positioning systems, remote control systems, car phone systems, satellite radios, and car Internet access, etc. MINI FAKRA connectors are based on the SMB connector interface. FAKRA (Auto Experts Group) has established a unified connector system and standard that meets the high performance and safety requirements of today's automotive industry.

[0003] At present, the general FAKRA connector includes a shell and a pin module inserted in the shell. A single outer tube is set on the pin seat body of the pin module to form a single-socket connector, or after the pin seat body is formed, multiple round outer tubes formed by stamping are assembled to form a multi-socket connector. This will have the following problems: the application scope of the single-socket connector is limited. When multiple connection sockets are required, if multiple single-socket connectors are combined and used together, there will be a defect that they are easy to loosen due to lack of connection, which affects the signal transmission effect; and although the multi-socket connector can be applied to the needs of multiple connection sockets, its above-mentioned molding process and process are relatively complicated, resulting in increased costs during mass production, which does not meet the needs and development of cost reduction and efficiency improvement.

[0004] Therefore, it is necessary to design a new MINI type FAKRA connector to solve the above technical problems. Utility Model Content

[0005] In order to solve the above problems, the present invention provides a MINI-type FAKRA connector, which improves the convenience of use, simplifies the production process, and improves the production efficiency.

[0006] Based on this, the present invention provides a MINI type FAKRA connector, comprising a shell, a zinc alloy upper seat, a zinc alloy lower seat, a plurality of long insulators, a plurality of short insulators, a plurality of long terminals and a plurality of short terminals, wherein a receiving cavity is provided inwardly on the front end surface of the shell, a plurality of receiving holes communicating with the receiving cavity are provided on the rear end surface, and a connecting portion is extended backwards from the rear end of the shell, and the connecting portion is provided with a connecting cavity communicating with the plurality of receiving holes, the zinc alloy upper seat comprises a zinc alloy upper body and a mating portion integrally extending forward from the zinc alloy upper body and a plurality of outer tubes integrally extending forward from the mating portion, and the plurality of The outer tube passes through the multiple receiving holes from the connecting cavity and is accommodated in the receiving cavity. The matching portion cooperates with the connecting portion to fix the zinc alloy upper seat at the rear of the outer shell. The multiple long insulators and the multiple short insulators are inserted in the zinc alloy upper seat. The multiple long terminals and the multiple short terminals are respectively inserted in the multiple long insulators and the multiple short insulators in a one-to-one correspondence. The zinc alloy lower seat includes a vertical plug plate and a support portion extending forward from the plug plate. The zinc alloy lower seat is inserted below the zinc alloy upper seat through the plug plate, and the support portion is located below the multiple long insulators and the multiple short insulators.

[0007] In the above technical solution, the matching portion of the zinc alloy upper seat is provided with a hook portion, the connecting portion of the shell is provided with a hooking groove, and the zinc alloy upper seat and the shell are fixed by the matching of the hook portion and the hooking groove.

[0008] In the above technical solution, the matching portion of the zinc alloy upper seat is further provided with a groove located behind the inverted hook portion, and the connecting portion of the shell is provided with a supporting portion, which is arranged in the groove and supports the rear end face of the inverted hook portion.

[0009] In the above technical solution, both sides of the front end of the zinc alloy upper body are provided with step portions which gradually widen from front to back, and the front end surface of the step portion is in abutment contact with the rear end surface of the connecting portion.

[0010] In the above technical solution, a plurality of reinforcing ribs are provided on the outer side surface of the connecting portion, and the reinforcing ribs are located between the undercut portion and the step portion.

[0011] In the above technical solution, the support portion of the zinc alloy lower seat includes a first support portion and a second support portion located in front of the lower end of the first support portion, the first support portion is arranged below the multiple long insulators, and the second support portion is arranged below the multiple short insulators.

[0012] In the above technical solution, the first support portion is provided with a plurality of first through holes arranged at intervals, the first through holes are opened from the upper end surface of the first support portion and pass through the lower end surface, the long insulator is provided with a first base and a long inner tube extending forward from the first base, the first base passes through the first through holes, and the long inner tube is located inside the outer tube of the zinc alloy upper seat.

[0013] In the above technical solution, the second support portion is provided with a plurality of second through holes arranged at intervals, the second through holes are opened from the upper end surface of the second support portion and pass through the lower end surface, the short insulator is provided with a second base and a short inner tube extending forward from the second base, the second base passes through the second through holes, and the short inner tube is located inside the outer tube of the zinc alloy upper seat.

[0014] In the above technical solution, interference ribs are respectively provided on the outer surfaces of the long inner tube and the short inner tube, and the interference ribs are interference-fitted with the zinc alloy upper body and the matching portion.

[0015] In the above technical solution, holding blocks are respectively provided on both sides of the second support portion, the lower end surface of the zinc alloy upper seat is upwardly recessed with a fixing groove that cooperates with the holding block, and the lower surface of the second support portion is provided with a plurality of bosses, and the bosses are located at the interval between the first through hole and the second through hole.

[0016] The MINI type FAKRA connector of the present invention comprises a shell, a zinc alloy upper seat, a zinc alloy lower seat, a plurality of long insulators, a plurality of short insulators, and a plurality of long terminals and a plurality of short terminals respectively inserted in the plurality of long insulators and the plurality of short insulators in a one-to-one correspondence, wherein the plurality of long insulators and the plurality of short insulators are inserted in the zinc alloy upper seat, the zinc alloy lower seat is inserted below the zinc alloy upper seat, the shell is provided with a receiving cavity, a receiving hole and a connecting portion, the connecting portion is provided with a plurality of connecting cavities, the zinc alloy upper seat comprises an integrally formed zinc alloy upper body and a matching portion and a plurality of outer tubes, the plurality of outer tubes of the zinc alloy upper seat pass through a plurality of receiving holes from the connecting cavity of the shell and are accommodated in the receiving cavity, the matching portion cooperates with the connecting portion to fix the zinc alloy upper seat at the rear of the shell, and such a structural arrangement achieves the effect of improving the convenience of use while simplifying the production process and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an exploded structural diagram of the MINI type FAKRA connector of the present invention;

[0018] Figure 2 yes Figure 1 The rear end structure diagram of the middle shell;

[0019] Figure 3 yes Figure 1 Cross-sectional view of the middle shell and the zinc alloy upper seat;

[0020] Figure 4 yes Figure 3 The local enlarged structure diagram;

[0021] Figure 5 This is a schematic diagram of the MINI FAKRA connector of the present invention;

[0022] Figure 6 yes Figure 1 Schematic diagram of the zinc alloy lower seat not fully inserted;

[0023] Figure 7 yes Figure 6 Structural diagram of the zinc alloy lower seat after complete installation. DETAILED DESCRIPTION

[0024] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] See also Figures 1 to 7 As shown, a MINI type FAKRA connector disclosed in the present invention includes a housing 1, a zinc alloy upper seat 2, a zinc alloy lower seat 3, a plurality of long insulators 4, a plurality of short insulators 5, a plurality of long terminals 6, and a plurality of short terminals 7. In this embodiment, the number of the plurality of long terminals 6 and the number of the plurality of short terminals 7 are two, respectively, so the number of the corresponding plurality of long insulators 4 and the plurality of short insulators 5 is also two. In other embodiments, the number can be set differently according to actual needs, and is not limited to the embodiment and the drawings.

[0026] The front end of the housing 1 is provided with a receiving cavity 10, and the rear end is provided with a plurality of receiving holes 11 communicating with the receiving cavity 10. The number of the receiving holes 11 is the same as the sum of the number of the long insulator 4 and the short insulator 5, and is set to four in this embodiment. The rear end of the housing 1 is extended backward to provide a connecting portion 12, and the connecting portion 12 is provided with a connecting cavity 13 communicating with the plurality of receiving holes 11.

[0027] Specifically, the zinc alloy upper seat 2 includes a zinc alloy upper body 21 and a mating portion 22 integrally extending forward from the zinc alloy upper body 21, and a plurality of outer tubes 23 integrally extending forward from the mating portion 22. In the present embodiment, corresponding to the two long terminals 6 and the two short terminals 4 and the two long insulators 4 and the two short insulators 5, the number of the outer tubes 23 is four, corresponding to the number of the receiving holes 11.

[0028] The four outer tubes 23 pass through the four receiving holes 11 from the connecting cavity 13 and are received in the receiving cavity 10 . Meanwhile, the matching portion 22 cooperates with the connecting portion 12 to fix the zinc alloy upper seat 2 at the rear of the housing 1 .

[0029] Furthermore, the mating portion 22 of the zinc alloy upper seat 2 is provided with a hook portion 24, and the connecting portion 12 of the shell 1 is provided with a hooking groove 14. The zinc alloy upper seat 2 and the shell 1 are fixed by the mating of the hook portion 24 and the hooking groove 14. The setting of the hook portion 24 and the hooking groove 14 avoids the phenomenon of unstable connection caused by the zinc alloy upper seat 2 escaping from the shell 1.

[0030] In addition, the mating portion 22 of the zinc alloy upper seat 2 is also provided with a groove 25 located behind the hook portion 24, and the connecting portion 12 of the shell 1 is provided with a supporting portion 15, and the supporting portion 15 is arranged in the groove 25 and supports the rear end surface of the hook portion 24, so as to achieve a better holding effect and make the connection between the zinc alloy upper seat 2 and the shell 1 more stable.

[0031] At the same time, both sides of the front end of the zinc alloy upper body 21 are provided with step portions 26 that gradually widen from front to back. After the zinc alloy upper seat 2 is fixed to the shell 1, the front end surface of the step portion 26 abuts against the rear end surface of the connecting portion 12. In addition, preferably, the outer side surface of the connecting portion 12 is provided with a plurality of reinforcing ribs 16, and the reinforcing ribs 16 are located between the undercut portion 24 and the step portion 26 to enhance the strength of the connecting portion 12 of the shell 1, so that the zinc alloy upper seat 2 and the shell 1 are connected and matched with higher strength.

[0032] The two long terminals 6 and the two short terminals 7 are first inserted into the two long insulators 4 and the two short insulators 5 in a one-to-one correspondence, and the two long insulators 4 and the two short insulators 5 are then inserted into the zinc alloy upper seat 2.

[0033] The two long terminals 6 respectively have a first pin 61 exposed from the long insulator 4 , and the two short terminals 7 respectively have a second pin 71 exposed from the short insulator 5 , and the second pin 71 and the first pin 61 are arranged in front and back.

[0034] The zinc alloy lower seat 3 includes a vertical plug plate 31 and a support portion 32 extending forward from the plug plate 31. The zinc alloy lower seat 3 is inserted under the zinc alloy upper seat 2 through the plug plate 31. Here, preferably, the plug plate 31 is located behind the first pin 61; the support portion 32 is located below the multiple long insulators 4 and the multiple short insulators 5.

[0035] Among them, the support part 32 of the zinc alloy lower seat 3 includes a first support part 321 and a second support part 322 located in front of the lower end of the first support part 321, the first support part 321 is arranged below the multiple long insulators 4, and the second support part 322 is arranged below the multiple short insulators 5.

[0036] The first support portion 321 is provided with a plurality of first through holes 323 arranged at intervals, the first through holes 323 are opened from the upper end surface of the first support portion 321 and pass through the lower end surface, the long insulator 4 is provided with a first base 41 and a long inner tube 42 extending forward from the first base 41, the first pin 61 of the long terminal 6 extends out of the first base 41, the first base 41 passes through the first through hole 323, and the long inner tube 42 is located in the outer tube 23 of the zinc alloy upper seat 2.

[0037] The second support portion 322 is provided with a plurality of second through holes 324 arranged at intervals, the second through holes 324 are opened from the upper end surface of the second support portion 322 and pass through the lower end surface, the short insulator 5 is provided with a second base 51 and a short inner tube 52 extending forward from the second base 51, the second pin 71 of the short terminal 7 extends out of the second base 51, the second base 51 passes through the second through holes 324, and the short inner tube 52 is located in the outer tube 23 of the zinc alloy upper seat 2.

[0038] At the same time, preferably, the outer surface of the long inner tube 42 is provided with interference ribs 43, and the outer surface of the short inner tube 52 is provided with interference ribs 53, and the interference ribs 43, 53 respectively interfere with the zinc alloy upper body 21 and the matching part 22 to fix the upper insulator 4 and the short insulator 5 in the zinc alloy upper seat 2.

[0039] Furthermore, retaining blocks 33 are respectively provided on both sides of the second supporting portion 322, and the lower end surface of the zinc alloy upper seat 2 is upwardly recessed with a fixing groove 27 that cooperates with the retaining block 33. Through the cooperation between the retaining block 33 and the fixing groove 27, the zinc alloy lower seat 3 is more stably retained under the zinc alloy upper seat 2.

[0040] Preferably, in this embodiment, a plurality of bosses 34 are further provided on the lower surface of the second supporting portion 322 . The bosses 34 are located at the interval between the first through hole 323 and the second through hole 324 and are arranged in a cross shape to enhance the supporting strength of the second supporting portion 322 .

[0041] In summary, the MINI type FAKRA connector of the present invention includes a shell 1, a zinc alloy upper seat 2, a zinc alloy lower seat 3, a plurality of long insulators 4, a plurality of short insulators 5, a plurality of long terminals 6 and a plurality of short terminals 7. The zinc alloy upper seat 2 is formed by an integrally formed zinc alloy upper body 21, a mating portion 22 and a plurality of outer tubes 23, and the plurality of long terminals 6 and the short terminals 7 are respectively inserted one by one into the plurality of long insulators 4 and the short insulators 5 and then installed in the zinc alloy upper body 21 and the plurality of outer tubes 23. Such a structural arrangement can improve the convenience of use while simplifying the production process and improving the production efficiency.

[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A MINI FAKRA connector, characterized in that: The invention comprises a shell, a zinc alloy upper seat, a zinc alloy lower seat, a plurality of long insulators, a plurality of short insulators, a plurality of long terminals and a plurality of short terminals, wherein a receiving cavity is provided inwardly on the front end surface of the shell, a plurality of receiving holes connected with the receiving cavity are provided on the rear end surface, and a connecting portion is provided to extend backwards from the rear end of the shell, and the connecting portion is provided with a connecting cavity connected with the plurality of receiving holes, the zinc alloy upper seat comprises a zinc alloy upper body and a matching portion integrally extending forward from the zinc alloy upper body, and a plurality of outer tubes integrally extending forward from the matching portion, and the plurality of outer tubes extend from the connecting cavity through the plurality of receiving holes. A receiving hole is accommodated in the receiving cavity, the matching portion cooperates with the connecting portion to fix the zinc alloy upper seat at the rear of the shell, the multiple long insulators and the multiple short insulators are inserted in the zinc alloy upper seat, the multiple long terminals and the multiple short terminals are respectively inserted in the multiple long insulators and the multiple short insulators in a one-to-one correspondence, the zinc alloy lower seat includes a vertical plug plate and a support portion extending forward from the plug plate, the zinc alloy lower seat is inserted below the zinc alloy upper seat through the plug plate, and the support portion is located below the multiple long insulators and the multiple short insulators; The matching portion of the zinc alloy upper seat is provided with a hook portion, and the connecting portion of the shell is provided with a hooking groove, and the zinc alloy upper seat and the shell are fixed by the matching of the hook portion and the hooking groove; The matching portion of the zinc alloy upper seat is also provided with a groove located behind the undercut portion, and the connecting portion of the shell is provided with a supporting portion, which is arranged in the groove and abuts against the rear end surface of the undercut portion; Both sides of the front end of the zinc alloy upper body are provided with step portions that gradually widen from front to back, and the front end surface of the step portion is in abutment contact with the rear end surface of the connecting portion; The outer side surface of the connecting portion is provided with a plurality of reinforcing ribs, and the reinforcing ribs are located between the undercut portion and the step portion; The support portion of the zinc alloy lower seat includes a first support portion and a second support portion located in front of the lower end of the first support portion, the first support portion is arranged below the plurality of long insulators, and the second support portion is arranged below the plurality of short insulators.

2. The MINI type FAKRA connector according to claim 1, characterized in that: The first support portion is provided with a plurality of first through holes arranged at intervals, the first through holes are opened from the upper end surface of the first support portion and pass through the lower end surface, the long insulator is provided with a first base and a long inner tube extending forward from the first base, the first base passes through the first through holes, and the long inner tube is located in the outer tube of the zinc alloy upper seat.

3. The MINI type FAKRA connector according to claim 2, characterized in that: The second support portion is provided with a plurality of second through holes arranged at intervals, the second through holes are opened from the upper end surface of the second support portion and pass through the lower end surface, the short insulator is provided with a second base and a short inner tube extending forward from the second base, the second base passes through the second through holes, and the short inner tube is located in the outer tube of the zinc alloy upper seat.

4. The MINI type FAKRA connector according to claim 3, characterized in that: The outer surfaces of the long inner tube and the short inner tube are respectively provided with interference ribs, and the interference ribs are interference-fitted with the zinc alloy upper body and the matching portion.

5. The MINI type FAKRA connector according to claim 4, characterized in that: Holding blocks are respectively provided on both sides of the second support part, and the lower end surface of the zinc alloy upper seat is upwardly recessed with a fixing groove that cooperates with the holding block. The lower surface of the second support part is provided with a plurality of bosses, and the bosses are located at the interval between the first through hole and the second through hole.

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