CN115483568A

CN115483568A - Assembly interlocking MINI FAKRA high-frequency connector

Info

Publication number: CN115483568A
Application number: CN202211329928.5A
Authority: CN
Inventors: 张雨辉; 戴启清; 潘启峰
Original assignee: Suzhou Yuanye Automobile Technology Co ltd
Current assignee: Suzhou Yuanye Automobile Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2022-12-16

Abstract

An assembly interlocking MINI FAKRA high-frequency connector comprises a shell, wherein the shell is provided with an accommodating cavity penetrating through the head and the tail, and the tail of the shell is provided with a first clamping groove with an inward notch; the first metal piece is provided with a first through hole which penetrates through the head and the tail of the first metal piece, and the tail of the first metal piece is provided with a second clamping groove with a notch facing outwards; the first metal piece is provided with a first through hole penetrating the head and the tail of the first metal piece, and the head of the first metal piece is provided with a T-shaped bolt; the insulating rubber core is internally provided with a terminal; in an assembly state, the first metal piece is inserted into the containing cavity, the first clamping groove and the second clamping groove correspondingly form a T-shaped slot, and the T-shaped plug pin is inserted into the T-shaped slot; the first through hole and the second through hole are opposite to each other to form a terminal installation cavity, and the insulating rubber core is inserted into the terminal installation cavity. The shell, the first metal piece and the second metal piece are inserted into the T-shaped slot through the T-shaped bolt to form an axial retaining structure; the insulating rubber core is inserted into the terminal mounting cavity, so that the axial retaining structure can be prevented from being loosened radially, and the stability of the connector is improved.

Description

Assembly interlocking MINI FAKRA high-frequency connector

Technical Field

The invention relates to the technical field of connectors, in particular to an assembly interlocking MINI FAKRA high-frequency connector.

Background

The FAKRA connector is a connector part widely adopted in automobiles at present, and is generally applied to a GPS positioning system, a remote control system, a vehicle-mounted telephone system, a satellite radio, vehicle-mounted internet access and the like. The MINI FAKRA connector establishes a uniform connector system and standard based on SMB connector interface FAKRA (automatic expert group), and meets the high-performance and safety requirements of the current automobile industry.

In the FAKRA connector, a terminal base and a circular tube made of zinc alloy are mostly adopted to fix an insulating rubber core of a built-in terminal. At present, the terminal block and the circular tube are designed integrally by a scheme, and the integrated structure has the advantage of high structural strength. However, the wall thickness of the round tube is thin, and the wall thickness of the terminal seat is thick, so that the round tube is easy to deform in the subsequent processing and barrel plating processes, and the problems of low yield and high production cost are caused.

In addition, the terminal seat and the round tube are designed in a split mode. Namely, the round tube and the terminal seat are assembled after being processed separately. The existing assembly methods include the following steps:

(1) Riveting process, namely riveting and fixing the round pipe and the terminal base;

(2) And the insertion process is to adopt a clamping piece to clamp the circular tube, the terminal seat and the shell.

The two above-mentioned assembly methods have the following problems:

(1) The riveting process rivets the circular tube on the terminal seat, so that the structural strength is not ideal;

(2) The insertion process needs to use a clamping piece which is arranged independently, the structure is complex, and the assembly is difficult; moreover, the clamping structure is not provided with a locking structure in the radial direction, and if the clamping piece is loosened, the structure can be separated.

Therefore, in view of the shortcomings of the prior art, there is a need to design a mating interlock MINI FAKRA high frequency connector to solve the above problems.

Disclosure of Invention

To overcome the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a FAKRA high frequency connector having a stable holding structure in both the axial and radial directions.

In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a mating interlocking MINI FAKRA high frequency connector comprising:

the shell is provided with an accommodating cavity penetrating the head and the tail, and the tail of the shell is provided with a first clamping groove with an inward-arranged notch;

the first metal piece is provided with a first through hole penetrating the head and the tail of the first metal piece, and the tail of the first metal piece is provided with a second clamping groove with an outward notch;

the second metal piece is provided with a second through hole which penetrates through the head and the tail of the second metal piece, and a T-shaped bolt is arranged at the head of the second metal piece;

the insulating rubber core is internally provided with a terminal;

in an assembly state, the first metal piece is inserted into the accommodating cavity, the first clamping groove and the second clamping groove correspondingly form a T-shaped slot, and the T-shaped bolt is inserted into the T-shaped slot; the first through hole and the second through hole are opposite to each other to form a terminal installation cavity, and the insulating rubber core is inserted into the terminal installation cavity.

The preferable technical scheme is as follows: the first clamping groove is an L-shaped clamping groove, and the second clamping groove is a U-shaped clamping groove.

The preferable technical scheme is as follows: the two first clamping grooves are arranged at the tail part of the shell in parallel and are positioned at two sides of the opening at the tail end of the accommodating cavity; the two second clamping grooves are arranged at the tail of the first metal piece in parallel and are positioned at two sides of the opening at the tail end of the first through hole; the T-shaped bolts are arranged in the head part of the second metal piece in parallel and are positioned on two sides of the opening at the head end of the second through hole.

The preferable technical scheme is as follows: the inner wall of the accommodating cavity is provided with a positioning fixture block, the outer wall of the first metal piece is provided with a positioning clamping groove, and the positioning fixture block and the positioning clamping groove are correspondingly matched.

The preferable technical scheme is as follows: the tail part of the shell is also provided with a first limit stop block, and the first limit stop block is positioned at the bottom end of the first clamping groove; and the head part of the second metal piece is also provided with a second limit stop which is positioned at the top end of the T-shaped bolt.

The preferable technical scheme is as follows: the shell is made of plastic; the first metal piece and the second metal piece are both made of zinc alloy.

Due to the application of the technical scheme, the invention has the beneficial effects that:

1. according to the assembling interlocking MINI FAKRA high-frequency connector, the first clamping groove arranged at the tail part of the shell and the second clamping groove arranged at the tail part of the first metal piece can form the T-shaped slot in an assembling state, and the T-shaped slot is matched with the T-shaped bolt arranged at the head part of the second metal piece to form an axial retaining structure in a plugging mode.

2. According to the assembling interlocking MINI FAKRA high-frequency connector provided by the invention, the first through hole arranged in the first metal piece and the second through hole arranged in the second metal piece form the terminal mounting cavity in an assembling state, and the insulating rubber core is inserted into the terminal mounting cavity in a matched manner, so that the radial loosening of the axial retaining structure can be avoided, and the stability of the overall structure of the connector is further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the housing of the present invention.

Fig. 3 is a schematic structural diagram of a first metal component according to the present invention.

Fig. 4 is a schematic structural diagram of a second metal component according to the present invention.

Fig. 5 is a schematic view of an assembly structure of the insulating rubber core and the terminal of the invention.

Fig. 6 is a cross-sectional view of the present invention.

In the above figures, 100, housing; 101. an accommodating cavity; 102. a first card slot; 103. positioning a fixture block; 104. a first limit stop; 200. a first metal member; 201. a first through hole; 202. a second card slot; 203. positioning a clamping groove; 300. a second metal piece; 301. a second through hole; 302. a T-shaped bolt; 303. a second limit stop; 400. an insulating rubber core; 500. and a terminal.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1-6. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present invention is usually placed in when the product is used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1 to 6, the present invention provides an assembly interlocking MINI FAKRA high frequency connector, which is assembled by a housing 100, a first metal piece 200, a second metal piece 300 and an insulating rubber core 400 with a built-in terminal 500.

Wherein, the housing 100 is made of plastic, and a containing cavity 101 penetrating from head to tail is arranged in the housing 100. The tail of the housing 100 is further provided with two first clamping grooves 102 (L-shaped clamping grooves) which are parallel to each other and provided with inward notches, and the two first clamping grooves 102 are respectively positioned on two sides of the opening at the tail end of the accommodating cavity 101;

the first metal part 200 is made of zinc alloy, and a first through hole 201 penetrating the head and the tail of the first metal part 200 is formed in the first metal part 200. The tail of the first metal piece 200 is further provided with two second clamping grooves 202 (U-shaped clamping grooves) which are parallel to each other and of which the notches face outwards, and the two second clamping grooves 202 are respectively located on two sides of the opening at the tail end of the first through hole 201;

the second metal piece 300 is made of zinc alloy, a second through hole 301 penetrating the head and the tail of the second metal piece 300 is formed in the second metal piece 300, and two T-shaped bolts 302 arranged in parallel are further arranged at the head of the second metal piece 300;

during assembly, the first metal piece 200 is inserted into the accommodating cavity 101 of the housing 100, and the second card slot 202 at the tail of the first metal piece 200 and the first card slot 102 at the tail of the housing 100 form a T-shaped slot correspondingly; then, radially inserting a T-shaped bolt 302 at the head of the second metal piece 300 into the T-shaped slot, and enabling the first through hole 201 in the first metal piece 200 and the second through hole 301 in the second metal piece 300 to be opposite to each other to form a terminal mounting cavity; the insulating rubber core 400 with the built-in terminal 500 is then inserted into the terminal mounting cavity, completing the assembly.

In terms of structure, the T-shaped latch 302 is inserted into the T-shaped slot formed by the first slot 102 and the second slot 202, so that the housing 100, the first metal piece 200 and the second metal piece 300 form an axial retaining structure; the insulating rubber core 400 is inserted into the terminal installation cavity formed by the first through hole 201 and the second through hole 301 in the axial direction, so that the radial loosening of the shell 100, the first metal piece 200 and the second metal piece 300 can be avoided.

In addition, a positioning fixture block 103 is arranged on the inner wall of the accommodating cavity 101 of the housing 100, a positioning clamping groove 203 is arranged on the outer wall of the first metal piece 200, and the positioning fixture block 103 and the positioning clamping groove 203 are correspondingly matched and arranged to form a foolproof structure; according to the fool-proof structure, the first metal piece 200 is inserted into the receiving cavity 101 of the housing 100, so that the first card slot 102 and the second card slot 202 are arranged in parallel to each other, so as to form a T-shaped slot.

In addition, the tail of the housing 100 is further provided with a first limit stop 104, and the first limit stop 104 is located at the bottom end of the first slot 102; the head of the second metal piece 300 is further provided with a second limit stop 303, and the second limit stop 303 is positioned at the top end of the T-shaped bolt 302; when the second metal piece 300 is inserted into the T-shaped slot formed by the first card slot 102 at the tail part of the shell 100 and the second card slot 202 at the tail part of the first metal piece 200 through the T-shaped latch 302, the first limit stop 104 limits the insertion end of the T-shaped latch 302, and the second limit stop 303 limits the insertion end of the T-shaped slot. When the insertion end of the T-shaped latch 302 (the insertion end of the T-shaped slot) abuts against the first limit stop 104 (the second limit stop 303), the first through hole 201 in the first metal piece 200 and the second through hole 301 in the second metal piece 300 axially correspond to each other and form a terminal mounting cavity.

Above prevent slow-witted structure and limit structure and be the structural design who conveniently assembles, can improve connector assembly efficiency. In addition, the limit structure formed by the first limit stopper 104 and the second limit stopper 303 can also have a certain sealing effect, and can prevent foreign matters from entering the connection between the housing 100 and the first metal piece 200 and the second metal piece 300.

Therefore, the invention has the following advantages:

according to the assembling interlocking MINI FAKRA high-frequency connector provided by the invention, the first metal piece and the second metal piece are independently formed, so that the problem that the first metal piece is easy to deform in the subsequent processing and barrel plating processes due to the fact that the wall thickness of the first metal piece is thin and the wall thickness of the second metal piece is thick when the first metal piece and the second metal piece are integrally formed can be avoided.

According to the assembling interlocking MINI FAKRA high-frequency connector, the first clamping groove arranged at the tail part of the shell and the second clamping groove arranged at the tail part of the first metal piece can form the T-shaped slot in an assembling state, and the T-shaped slot is matched with the T-shaped bolt arranged at the head part of the second metal piece to form an axial retaining structure in a plugging mode.

According to the assembling interlocking MINI FAKRA high-frequency connector provided by the invention, the first through hole arranged in the first metal piece and the second through hole arranged in the second metal piece form the terminal installation cavity in an assembling state, and the insulating rubber core is inserted into the terminal installation cavity in a matching manner, so that the radial loosening (anti-loosening) of the axial retaining structure can be avoided, and the stability of the integral structure of the connector is further improved.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An assembly interlocking MINI FAKRA high frequency connector, comprising:

the shell (100) is provided with an accommodating cavity (101) penetrating through the head and the tail, and the tail of the shell (100) is provided with a first clamping groove (102) with an inward-arranged notch;

the first metal piece (200), the first metal piece (200) is provided with a first through hole (201) penetrating the head and the tail, and the tail of the first metal piece (200) is provided with a second clamping groove (202) with an outward notch;

the second metal piece (300) is provided with a second through hole (301) penetrating through the head and the tail of the second metal piece (300), and a T-shaped bolt (302) is arranged at the head of the second metal piece (300);

the insulating rubber core (400), wherein a terminal (500) is arranged in the insulating rubber core (400);

in an assembly state, the first metal piece (200) is inserted into the accommodating cavity (101), the first clamping groove (102) and the second clamping groove (202) form a T-shaped slot correspondingly, and the T-shaped bolt (302) is inserted into the T-shaped slot; the first through hole (201) and the second through hole (301) are opposite in position to form a terminal installation cavity, and the insulating rubber core (400) is inserted into the terminal installation cavity.

2. The assembly interlocking MINI FAKRA high frequency connector of claim 1, wherein: the first card slot (102) is an L-shaped card slot, and the second card slot (202) is a U-shaped card slot.

3. The assembly interlocking MINI FAKRA high frequency connector of claim 1, wherein: the two first clamping grooves (102) are arranged at the tail part of the shell (100) in parallel and are positioned at two sides of the opening at the tail end of the containing cavity (101); the two second clamping grooves (202) are arranged in parallel at the tail of the first metal piece (200) and are positioned at two sides of the opening at the tail end of the first through hole (201); the T-shaped bolts (302) are arranged in parallel on the head part of the second metal piece (300) and are positioned on two sides of the opening at the head end of the second through hole (301).

4. The assembly interlocking MINI FAKRA high frequency connector as claimed in claim 1, wherein: a positioning clamping block (103) is arranged on the inner wall of the accommodating cavity (101), a positioning clamping groove (203) is formed in the outer wall of the first metal piece (200), and the positioning clamping block (103) and the positioning clamping groove (203) are correspondingly matched.

5. The assembly interlocking MINI FAKRA high frequency connector of claim 1, wherein: the tail of the shell (100) is also provided with a first limit stop (104), and the first limit stop (104) is positioned at the bottom end of the first clamping groove (102); the head of the second metal piece (300) is also provided with a second limit stop (303), and the second limit stop (303) is positioned at the top end of the T-shaped bolt (302).

6. The assembly interlocking MINI FAKRA high frequency connector of claim 1, wherein: the shell (100) is made of plastic; the first metal piece (200) and the second metal piece (300) are made of zinc alloy.