CN220138772U

CN220138772U - Outer conductor assembly and coaxial connector

Info

Publication number: CN220138772U
Application number: CN202321671774.8U
Authority: CN
Inventors: 王超
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-05
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses an outer conductor assembly and a coaxial connector, wherein the outer conductor assembly comprises a main body part and a cylindrical inserting part, wherein the main body part is integrally stamped and formed, the inserting part is arranged at the front end of the main body part, a containing cavity is commonly arranged in the main body part and the inserting part, one end of the main body part, which is far away from the inserting part, is provided with a window for exposing the containing cavity, and a cover plate which can be buckled to the outer side of the window in a turnover way is arranged at the window so as to avoid unnecessary radio frequency leakage after an inner conductor and an inner insulator are arranged in the main body part; meanwhile, when the cover plate is buckled to the outer side of the window, the cover plate is limited through a limiting structure, so that the cover plate is prevented from retreating after being overturned to a preset position; further, the outer conductor assembly of the present utility model can be manufactured by integral stamping, and therefore, it is possible to realize a low cost and light weight outer conductor assembly and a coaxial connector employing the outer conductor assembly, particularly a 90 ° bent plate end connector.

Description

Outer conductor assembly and coaxial connector

Technical Field

The present disclosure relates to coaxial connectors, and particularly to an outer conductor assembly and a coaxial connector.

Background

The FAKRA series radio frequency coaxial connector is a standardized interface product which is proposed by the automobile industry for solving the problem of high-frequency signal transmission, and is the most-used coaxial connector on the automobile at present. Along with the continuous improvement of the intelligent degree of the automobile, more and more electronic equipment and more functions are provided on the automobile, so that the consumption of the FAKRA board end connector is increased, and the 90-degree bent board end connector occupies the vast majority of the proportion. Because the structure of the 90-degree bent plate end FAKRA connector is complex, in the prior art, the outer conductor of the 90-degree bent plate end connector is manufactured by using a machining or die casting process, so that the product cost is high, and the realization of light weight is not facilitated.

Disclosure of Invention

Accordingly, the present utility model is directed to an outer conductor assembly and a coaxial connector, which solve the problems of high cost and adverse light weight caused by the fact that the outer conductor of the 90 ° bent plate end connector is manufactured by using a machining or die casting process.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an outer conductor assembly, includes integrated into one piece stamping forming's main part and sets up at the front end of main part and be the grafting portion of tube-shape, and main part and grafting portion's inside is provided with the holding chamber jointly, the one end that the grafting portion was kept away from to main part has the window of making the holding chamber expose to be provided with the apron that can overturn lock to the window outside in window department, and carry out spacing limit structure to the apron when apron lock to the window outside.

In a preferred embodiment, the main body portion includes two oppositely arranged parallel plates and an arc plate for connecting the two parallel plates, the arc plate is formed by extending the plug-in connection portion to the rear end along the axial direction, and at least one pin for grounding is formed at one end of the parallel plate away from the arc plate.

In a preferred embodiment, the arc is semi-cylindrical, and the parallel plates comprise a first parallel plate and a second parallel plate which are arranged continuously, wherein the first parallel plate is arranged along the tangential direction of the junction of the first parallel plate and the arc, and the second parallel plate is arranged in parallel with the first parallel plate and is connected with the first parallel plate through a connecting plate inclined outwards.

In a preferred embodiment, the cover plate is integrally arranged at the end of the arc plate remote from the plug-in connection, and the cover plate is connected with the arc plate by at least one bendable connecting rib.

In a preferred embodiment, the parallel plate and the plug portion have a predetermined gap therebetween.

In a preferred embodiment, the limiting structure is at least one locking arm formed by extending the main body part to the rear end, and when the cover plate is buckled to the outer side of the window, the free end of the locking arm is buckled and then is pressed to the outer side of the cover plate.

In a preferred embodiment, the body portion, the plug portion and the cover plate are stamped and rolled from sheet metal.

The coaxial connector comprises a sheath, an inner insulator, an inner conductor and the outer conductor assembly arranged in the sheath, wherein the inner conductor is arranged in the accommodating cavity, and the inner insulator is arranged between the inner conductor and the outer conductor assembly.

In a preferred embodiment, a clamping arm for clamping the outer conductor assembly is arranged on the inner wall of the sheath in an extending manner along the direction that the outer conductor assembly exits from the sheath.

In a preferred embodiment, the main body portion includes two oppositely arranged parallel plates and an arc plate for connecting the two parallel plates, one end of the parallel plate far away from the arc plate is formed with at least one pin for grounding, the pin extends at least partially to the outside of the sheath, and a groove is formed in the inner wall of the sheath in the direction of loading the outer conductor assembly into the sheath in the region corresponding to the pin.

Compared with the prior art, the utility model has the beneficial effects that: the outer conductor component is provided with the open window which enables the accommodating cavity to be exposed at one end of the main body part far away from the plug-in part, and the open window is provided with the cover plate which can be turned and buckled to the outer side of the open window, so that unnecessary radio frequency leakage after the inner conductor and the inner insulator are arranged in the inner conductor component is avoided; meanwhile, when the cover plate is buckled to the outer side of the window, the cover plate is limited through a limiting structure, so that the cover plate is prevented from retreating after being overturned to a preset position; further, the outer conductor assembly of the present utility model can be manufactured by integral stamping, and therefore, it is possible to realize a low cost and light weight outer conductor assembly and a coaxial connector employing the outer conductor assembly, particularly a 90 ° bent plate end connector.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic view of an outer conductor assembly according to the present utility model;

FIG. 2 is a schematic view of the outer conductor assembly of FIG. 1 with the cover plate fastened to the outside of the window;

fig. 3 is an exploded view of the coaxial connector provided by the present utility model;

fig. 4 is a schematic view of the jacket of the coaxial connector of fig. 3;

fig. 5 is a schematic view of the structure of the inner insulator in the coaxial connector of fig. 3.

The figures are marked as follows:

10. an outer conductor assembly; 11. a sheath; 12. an inner conductor; 13. an inner insulator; 14. a clamping arm; 15. a groove;

20. a main body portion; 201. windowing; 202. a cover plate; 203. a limit structure; 204. a parallel plate; 2041. a first parallel plate; 2042. a second parallel plate; 2043. a connecting plate; 205. an arc-shaped plate; 206. a stitch; 207. a connecting rib;

30. a plug-in part;

40. a predetermined gap;

50. cutting the corners;

60. ribs;

70. an open trench.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

As shown in fig. 1 and 2, the outer conductor assembly includes a body 20 integrally formed by stamping and a cylindrical insertion portion 30 provided at the front end of the body 20, the insertion portion 30 being configured to be inserted into an outer conductor of a mating connector to form a signal transmission path. The main body 20 and the plug portion 30 are provided with a containing cavity (not shown in the figure) jointly, the containing cavity is used for containing the inner conductor 12 and the inner insulator 13, one end of the main body 20 away from the plug portion 30 is provided with a window 201 exposing the containing cavity, a cover plate 202 capable of being buckled to the outer side of the window in a turnover mode is arranged at the window 201, a limiting structure 203 limiting the cover plate 202 when the cover plate 202 is buckled to the outer side of the window 201 is arranged at the position, and the cover plate 202 can block the tail portion of the outer conductor assembly when buckled to the outer side of the window 201, so that unnecessary radio frequency leakage after the inner conductor 12 and the inner insulator 13 are installed in the inner portion of the inner conductor can be avoided.

As shown in fig. 1, the cover plate 202 is integrally disposed at one end of the arc plate 205 away from the plug-in portion 30, and the cover plate 202 is connected to the arc plate 205 by at least one bendable connecting rib 207, the cover plate 202 is horizontally disposed in an initial state, and is integrally connected to the arc plate 205 by the connecting rib 207, and after the inner insulator 13 and the inner conductor 12 are assembled into the outer conductor assembly, the cover plate 202 is pressed and folded by 90 ° to cover the tail portion of the outer conductor assembly.

The limit structure 203 is at least one locking arm formed by extending the main body 20 to the rear end, the initial state of the locking arm is in a straight line, when the cover plate 202 is buckled to the outer side of the window 201, the free end of the locking arm is buckled and then is pressed to the outer side of the cover plate 202, at this time, the locking arm is also folded by 90 degrees and tightly holds the cover plate 202, and the purpose of preventing the cover plate 202 from rebounding is achieved.

Further, as shown in fig. 5, in order to prevent interference between the cover plate 202 and the inner insulator 13 when the cover plate 202 is folded over after the inner insulator 13 is mounted, a chamfer 50 is provided at the upper edge of the tail portion of the inner insulator 13, so that interference between the connecting rib 207 and the inner insulator 13 when the cover plate is folded over can be effectively prevented.

In one embodiment, as shown in fig. 1 and 2, the main body 20 includes two opposite parallel plates 204 and an arc plate 205 for connecting the two parallel plates 204, the arc plate 205 is formed by extending the plugging portion 30 toward the rear end in the axial direction, and at least one pin 206 for grounding is formed at an end of the parallel plate 204 away from the arc plate 205. The arc plate 205 is semi-cylindrical, and the parallel plate 204 includes a first parallel plate 2041 and a second parallel plate 2042 that are continuously disposed, wherein the first parallel plate 2041 is disposed along a tangential direction of a junction between the first parallel plate 2041 and the arc plate 205, and the second parallel plate 2042 is disposed parallel to the first parallel plate 2041 and connected with the first parallel plate 2041 by a connecting plate 2043 that is inclined outwards.

Further, as shown in fig. 1 and 2, the parallel plate 204 and the plug portion 30 have a predetermined gap 40 therebetween. The design of the above structure allows the outer conductor assembly to be manufactured by integral stamping, and in particular, the main body portion 20, the plug portion 30, and the cover plate 202 are stamped and rolled from a metal plate material, so that low cost and light weight of the outer conductor assembly and the coaxial connector employing the outer conductor assembly, particularly, the 90 ° bent plate end connector, can be realized.

As shown in fig. 3 and 4, the coaxial connector of the present utility model includes a sheath 11 and the outer conductor assembly 10 mounted inside the sheath 11, an inner conductor 12 is mounted inside the accommodating cavity, an inner insulator 13 is disposed between the inner conductor 12 and the outer conductor assembly 10, a clamping arm 14 for clamping the outer conductor assembly 10 is disposed on the inner wall of the sheath 11 in an extending manner along the direction that the outer conductor assembly 10 exits from the sheath 11, and the clamping arm 14 clamps the rear end of the outer conductor assembly 10 after the outer conductor assembly 10 is mounted in the sheath 11, so as to prevent the outer conductor assembly 10 from being forced to retract.

Further, as shown in fig. 5 and 4, the tail portion of the inner insulator 13 is designed to be open, so that the inner conductor 12 can be installed into the jacket 11 from the rear end thereof, the inner insulator 13 is designed with an open groove 70 communicating with the tail portion at a position corresponding to the parallel plate 204, for accommodating the inner conductor 12, at least one pair of oppositely arranged ribs 60 are arranged in the open groove 70, the space between the ribs 60 is smaller than the width of the inner conductor 12, and the inner conductor 12 can be clamped and fixed after the inner conductor 12 is installed.

In an embodiment, as shown in fig. 1, 3 and 4, the main body 20 includes two opposite parallel plates 204 and an arc plate 205 for connecting the two parallel plates, one end of the parallel plate 204 away from the arc plate 205 is formed with at least one pin 206 for grounding, the pin 206 extends at least partially to the outside of the sheath 11, the region corresponding to the pin 206 on the inner wall of the sheath 11 is provided with a groove 15 along the direction of loading the outer conductor assembly 10 into the sheath 11, and the distance between two edges at the lower side of the inner part of the sheath 11 is larger than the distance between two second parallel plates 2042 due to the existence of the groove 15, so that the coaxial connector product of the utility model can have enough space for heat dissipation and tin climbing during welding with a printed board, and the welding reliability is ensured.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. An outer conductor assembly, characterized by: including integrative stamping forming's main part and the grafting portion that sets up in the front end of main part and be the tube-shape, main part and grafting portion's inside is provided with the holding chamber jointly, main part keeps away from grafting portion's one end has the windowing that makes the holding chamber expose to be provided with the apron that can overturn lock to the windowing outside in windowing department, and carry out spacing limit structure to the apron when apron lock to the windowing outside.

2. An outer conductor assembly according to claim 1, wherein: the main body part includes two parallel plates of relative setting and is used for connecting the arc of two parallel plates, the arc extends the formation by grafting portion along axis direction to the rear end, and the one end that the parallel plate kept away from the arc has at least one stitch that is used for the ground connection.

3. An outer conductor assembly according to claim 2, wherein: the arc is semi-cylindrical, the parallel plate is including first parallel plate and the second parallel plate that sets up in succession, wherein, first parallel plate sets up along its tangential direction with arc junction, and second parallel plate and first parallel plate parallel arrangement just link to each other through the connecting plate that inclines to the outside between the two.

4. An outer conductor assembly according to claim 2, wherein: the cover plate is integrally arranged at one end of the arc-shaped plate, which is far away from the plug-in connection part, and the cover plate is connected with the arc-shaped plate through at least one bendable connecting rib.

5. An outer conductor assembly according to claim 2, wherein: the parallel plate and the plug-in part have a predetermined gap therebetween.

6. An outer conductor assembly according to claim 1, wherein: the limiting structure is at least one locking arm formed by extending the main body part to the rear end, and when the cover plate is buckled to the outer side of the window, the free end of the locking arm is bent and then is pressed on the outer side of the cover plate.

7. An outer conductor assembly according to claim 1, wherein: the main body part, the plug-in part and the cover plate are formed by stamping and rolling metal plates.

8. A coaxial connector, characterized by: the inner conductor assembly comprises a sheath, an inner insulator, an inner conductor and the outer conductor assembly which is arranged in the sheath, wherein the inner conductor is arranged in the accommodating cavity, and the inner insulator is arranged between the inner conductor and the outer conductor assembly.

9. A coaxial connector according to claim 8, wherein: and a clamping arm for clamping the outer conductor assembly is arranged on the inner wall of the sheath in an extending manner along the direction that the outer conductor assembly exits from the sheath.

10. A coaxial connector according to claim 8, wherein: the main part includes two parallel plates that set up relatively and is used for connecting the arc of two parallel plates, and the one end shaping that the arc was kept away from to the parallel plate has at least one stitch that is used for the ground connection, the stitch extends to the outside of sheath at least partially, just the slot has been seted up along the direction that the outer conductor subassembly loaded into the sheath to the region of corresponding stitch on the inner wall of sheath.