CN210744226U

CN210744226U - Inner conductor, inner conductor assembly and connector

Info

Publication number: CN210744226U
Application number: CN201921426933.1U
Authority: CN
Inventors: 武向文; 王文娟; 雷波; 王升峰; 张朋
Original assignee: Avic Fushida Technology Co ltd
Current assignee: Avic Fushida Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-12
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses an inner conductor, an inner conductor assembly and a connector, wherein the inner conductor is provided with a first signal contact part which forms an open cavity; a second signal contact part is also arranged, and an open cavity is formed at one end of the second signal contact part; the second signal contact part is embedded in one end of the first signal contact part to form a circumferential gap and an axial open cavity. Through the technical scheme, the utility model discloses an inner conductor has stable axial elastic deformation, through the setting or not setting up of insulator, can realize stable electricity and connect or break off.

Description

Inner conductor, inner conductor assembly and connector

Technical Field

The utility model relates to a signal transmission device specifically is an inner conductor, inner conductor subassembly and connector.

Background

The radio frequency connector is widely applied to a signal transmission network and plays a role in electrical connection and separation of transmission lines; in the prior art, a common series internal or series inter-connector is adopted, when an electrical connection function is required, a male end and a female end are inserted in a butt-joint mode, and a product is in a conducting state after a screw thread is screwed; when the electric separation function is needed, the screw thread is directly loosened, and the sealing device is respectively arranged on the male port and the female port to play the sealing function (as shown in figure 1). The problem is that the ports are generally connected in multiple pairs, the installation is mostly through-wall installation, the working environment is mostly open-air environment, the workload is large when the sealing device is installed on each port when the device is in a disconnected state, the work is complex, the operation is not beneficial to realization, and the existing market requirements can not be completely met.

Disclosure of Invention

To the problem that exists among the prior art, the utility model provides an inner conductor, inner conductor subassembly and connector, the utility model discloses an inner conductor has stable axial elastic deformation, through the setting of insulator or not set up, can realize stable electricity and connect or break off.

The utility model discloses a realize through following technical scheme:

in accordance with the first object of the present invention, an inner conductor is provided with a first signal contact portion, the first signal contact portion forming an open cavity; a second signal contact part is also arranged, and an open cavity is formed at one end of the second signal contact part; the second signal contact part is embedded in one end of the first signal contact part to form a circumferential gap and an axial open cavity.

Optionally, at the non-embedded end, a plurality of first slits are arranged along the circumferential direction of the first signal contact part; and a first boss with a reduced inner diameter is arranged on the inner wall of the first signal contact part.

Optionally, an axial limiting table surrounded by the first limiting surface, the second limiting surface and the third limiting surface is arranged on the inner wall of the first signal contact part; the second signal contact part is embedded in the axial limiting table.

Optionally, the second signal contact part is sequentially provided with a first axial limiting section and a second axial limiting section with gradually reduced outer diameters at the other end to form an embedded structure.

Optionally, a plurality of second slits are circumferentially disposed at the open cavity end of the second signal contact.

Optionally, a guide inclined surface is disposed on an inner wall of the open cavity end of the second signal contact portion, and a second boss with an enlarged outer diameter is disposed on an outer wall of the open cavity end of the second signal contact portion.

Obey the utility model discloses a second purpose, an inner conductor subassembly, include along axial first inner conductor and the second inner conductor that sets gradually, first inner conductor do the inner conductor.

Optionally, the second inner conductor is a cavity structure with one open end, and the cavity open end of the second inner conductor is axially and floatingly clamped with the circumferential gap of the first inner conductor; a spring is disposed in the cavity where the second inner conductor meets the first inner conductor.

Optionally, a third boss with a reduced inner diameter is arranged on the inner wall of the cavity structure port of the second inner conductor, a fourth boss with a reduced inner diameter is arranged at the bottom of the cavity structure close to the second inner conductor, and a necking inclined plane is arranged outside the cavity structure port of the second inner conductor.

Obey the utility model discloses a third purpose, a connector, the public head end can satisfy the signal of telecommunication when the screw is screwed up with female head end and switch on and break off two kinds of states, and the electrical property is good, connects reliable radio frequency coaxial mechanism.

A connector is provided with an outer conductor, an insulator and an inner conductor assembly, wherein the inner conductor assembly is the inner conductor assembly of the utility model; the insulator comprises a first support, a second support, a third support and a fourth support which are sequentially and continuously arranged along the axial direction; the first support is a disc component, and the second support, the third support and the fourth support are tubular parts with sequentially increased outer diameters; the outer conductor is a cavity pipe fitting, the inner wall of the cavity pipe fitting is sequentially provided with a first isolation section, a second isolation section and a third isolation section, the inner wall of the third isolation section is provided with a first limiting table, and the first limiting table is connected with the third isolation section to form a second limiting table.

Compared with the prior art, the utility model discloses following profitable technological effect has:

through the technical scheme, the utility model discloses an inner conductor has stable axial elastic deformation, through the setting or not setting up of insulator, can realize stable electricity and connect or break off.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic view of the structure of the inner conductor of the present invention;

fig. 2 is a schematic structural view of the inner conductor assembly of the present invention;

fig. 3 is a schematic view of the connector structure of the present invention;

the reference numerals in the figures denote: 1-a first inner conductor, 11-a first signal contact part, 11 a-a first boss, 11 b-a first slit, 11 c-a first limit surface, 11 d-a second limit surface, 11 e-a third limit surface, 11 f-a mechanical connection section, 12-a second signal contact part, 12 a-a first axial limit section, 12 b-a second axial limit section, 12 c-a second boss, 12 d-a guide inclined plane and 12 e-a second slit;

2-a second inner conductor, 2 a-a closing-in inclined plane, 2 b-a third boss and 2 c-a fourth boss;

3-a spring;

4-first insulator, 4 a-first support, 4 b-second support, 4 c-third support, 4 d-fourth support;

5-an outer conductor, 5 a-an isolation first section, 5 b-an isolation second section, 5 c-an isolation third section, 5 d-a first limit table and 5 e-a second limit table;

6-second insulator.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

It should be understood that structures, ratios, sizes, left ends, right ends, etc. shown in the drawings attached to the present specification are generally defined by the drawing planes of the corresponding drawings, and "inner and outer" refer to inner and outer of the outlines of the corresponding parts, unless otherwise stated; the technical scope of the present invention is not limited to the specific conditions that can be implemented, and therefore, the present invention does not have any technical significance, and any modifications of structure, changes of ratio or adjustments of size should still fall within the scope that can be covered by the technical scope of the present invention without affecting the function and the achievable purpose of the present invention.

With reference to fig. 1, the inner conductor of the present invention is provided with a first signal contact portion 11, and the first signal contact portion 11 forms an open cavity; a second signal contact part 12 is also arranged, and an open cavity is formed at one end of the second signal contact part 12; the second signal contact portion 12 is embedded in one end of the first signal contact portion 11 to form a circumferential gap and an axially open cavity. For example, the first signal contact part 11 is a structure that an axial open cavity penetrates through, the second signal contact part 12 is embedded at one end of the first signal contact part 11, the open cavity structure of the second signal contact part 12 and the open opening of the open cavity structure of the first signal contact part 11 face outwards, an axial gap is formed between the two cavities, and meanwhile, the two cavities are provided with axial open cavities for preparing mechanical connection with other electric connection structures, namely, the two cavities can be in contact with each other radially and inwards, stable contact is guaranteed, meanwhile, floating connection is achieved, and axis floating can be achieved, for example, a spring is arranged in the formed open cavities.

In the embodiment of the present disclosure, at the non-insertion end, a plurality of first slits 11b are provided along the circumferential direction of the first signal contact portion 11; and a first boss 11a having a reduced inner diameter is provided on an inner wall of the first signal contact portion 11. The first boss 11a and the first slit 11b are configured to provide the first signal contact portion 11 with radial elastic deformation capability when mechanically connected to other electrical connection members in the axial direction, thereby achieving stable electrical connection.

In the embodiment of the present disclosure, an axial limit table surrounded by a first limit surface 11c, a second limit surface 11d, and a third limit surface 11e is provided on the inner wall of the first signal contact part 11; the second signal contact part 12 is embedded in the axial limiting table. Preferably, the first limiting surface 11c is an inclined surface forming a certain angle with the axial direction, so that stable axial limiting is realized, the stability of axial embedding of the first limiting surface 11c and the second limiting surface 11d is ensured, and meanwhile, the second limiting surface 11d and the third limiting surface 11e form a right-angled platform with a reduced inner diameter, so that axial limiting is further realized.

In the embodiment of the present disclosure, the second signal contact portion 12 is provided with a first axial limiting section 12a and a second axial limiting section 12b, which have gradually decreasing outer diameters, at the other end in sequence to form an embedded structure. Preferably, the structure of the non-open end of the second signal contact portion 12 is matched with the axial limit platform structure of the first signal contact portion 11 to realize axial limit of the two, or the axial limit platform structure of the first signal contact portion 11 is matched with the axial limit platform structure of the second signal contact portion 12 to sequentially arrange a first axial limit section 12a and a second axial limit section 12b with gradually reduced outer diameters at the other end of the second signal contact portion 12 to form an embedded structure, for example, the first axial limit section 12a is a cone-shaped structure, and the second axial limit section 12b is a regular cylinder structure with reduced outer diameter.

In the embodiment of the present disclosure, the plurality of second slits 12e are provided in the open cavity end of the second signal contact portion 12 in the circumferential direction, providing a radial elastic deformability, and achieving a stable connection capability when being in mating connection with other electrical connection structures.

Meanwhile, in the embodiment of the present disclosure, a guide slope 12d is provided on the inner wall of the open cavity end of the second signal contact portion 12, and a second boss 12c having an enlarged outer diameter is provided on the outer wall of the open cavity end of the second signal contact portion 12. The guide inclined plane 12d and the second boss 12c are used for realizing axial limiting of other electric connection structures and stable connection, and the guide inclined plane is preferably matched with the second slit 12e and has axial limiting and radial deformation.

With reference to fig. 2, the inner conductor assembly of the present invention includes a first inner conductor 1 and a second inner conductor 2 sequentially arranged along an axial direction, the second inner conductor 2 is a cavity structure with an open end, and the open end of the cavity of the second inner conductor 2 is axially floating-clamped with the circumferential gap of the first inner conductor 1; set up spring 3 in the cavity that second inner conductor 2 and first inner conductor 1 meet, make first inner conductor 1 and second inner conductor 2 realize axial float, spring 3's external diameter is less than the minimum cavity internal diameter of second inner conductor 2, guarantees that after public first end screw thread is screwed up, is withdrawed from, first inner conductor 1 and the flexible that second inner conductor 2 can be good.

In the embodiment of the present disclosure, a third boss 2b with a reduced inner diameter is disposed on the inner wall of the cavity structure port of the second inner conductor 2, a fourth boss 2c with a reduced inner diameter is disposed near the bottom of the cavity structure of the second inner conductor 2, and a necking inclined plane 2a is disposed outside the cavity structure port of the second inner conductor 2. By the structure, the circumferential gap formed by the first signal contact part 11 and the second signal contact part 12 of the first inner conductor 1 is matched, so that stable axial connection is realized, and meanwhile, a stable axial floating range is achieved.

With reference to fig. 3, the connector of the present invention is provided with an outer conductor 5, an insulator and an inner conductor assembly, as shown in fig. 3, the insulator is a first insulator 4, and includes a first support 4a, a second support 4b, a third support 4c and a fourth support 4d, which are sequentially arranged in the axial direction; the first support 4a is a disc member, and the second support 4b, the third support 4c and the fourth support 4d are tubular members having sequentially increased outer diameters; the outer conductor 5 is a cavity pipe fitting, the inner wall of the cavity pipe fitting is sequentially provided with an isolation first section 5a, an isolation second section 5b and an isolation third section 5c, the inner wall of the isolation third section 5c is provided with a first limiting table 5d, and the isolation third section 5c is connected with a second limiting table 5 e. The arrangement of the above-described structure ensures both axial and radial stability of the insulator in the outer conductor 5.

The utility model discloses a connector can the adaptation in various electrical apparatus transmission structure, is particularly suitable for being applied to antenna section radio frequency connector, when needs play the electric connection effect, then needs this connector and public head end product to be in the on-state: the connector is directly screwed with the male end thread, and the whole device can realize signal transmission; when needs play the electrical separation effect, then need this mechanism and public head end product to be in the off-state: the insulating cap is sleeved on the inner conductor of the male end product, the connector is screwed with the male end thread, and the whole device is in a disconnected state due to the effect of the insulating cap, so that signal disconnection can be realized; when the whole device is switched between the on state and the off state, the workload is reduced, the operation is simple and convenient, the actual operation is facilitated, and the current market requirements are met.

The left end of the first signal contact part 11 is provided with an elastic contact body which is inserted into an external male end, so that stable electric connection can be ensured; the right end of the first signal contact part 11 is matched with the second signal contact part 12 to form a circumferential gap and an elastic contact body, and the right end of the first signal contact part is matched with the second signal contact part 12 to form a circumferential gap and an elastic contact body, so that the right end of the first signal contact part can be kept consistent with the spring 3 in the axial direction and the radial direction can not deflect, and the first inner conductor 1 can realize the function of extending and retracting in the axial direction; when the conduction function is required, the continuity of the electric signal is realized by matching the plug-in and the screw thread tightening of the external male end connector interface; when the disconnection function is needed, the external male end connector interface which is matched with the second insulator 6 is plugged and screwed up by threads to realize disconnection of the electric signal, and an insulator cap can be arranged at the end part of the second inner conductor 2, so that the purposes of small workload and simple and convenient operation when the electric signal is switched on and off are achieved, and the current market demand can be better met.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of the various embodiments of the present disclosure can be made, and the same should be considered as the disclosure of the present disclosure as long as the combination does not depart from the spirit of the present disclosure.

Claims

1. An inner conductor, characterized in that a first signal contact (11) is provided, the first signal contact (11) forming an open cavity;

a second signal contact part (12) is further arranged, and an open cavity is formed at one end of the second signal contact part (12);

the second signal contact part (12) is embedded in one end of the first signal contact part (11) to form a circumferential gap and an axial open cavity.

2. The inner conductor according to claim 1, wherein a plurality of first slits (11b) are provided along a circumferential direction of the first signal contact portion (11) at a non-embedded end;

and a first boss (11a) with a reduced inner diameter is provided on the inner wall of the first signal contact portion (11).

3. The inner conductor according to claim 1, characterized in that an axial limit stop surrounded by a first limit surface (11c), a second limit surface (11d) and a third limit surface (11e) is provided on the inner wall of the first signal contact part (11);

the second signal contact part (12) is embedded in the axial limiting table.

4. The inner conductor according to claim 1 or 2, wherein the second signal contact portion (12) is provided with a first axial limiting section (12a) and a second axial limiting section (12b) with gradually reduced outer diameters in sequence at the other end to form an embedded structure.

5. The inner conductor according to claim 1 or 2, wherein a plurality of second slits (12e) are provided circumferentially at the open cavity end of the second signal contact portion (12).

6. The inner conductor according to claim 1 or 2, wherein a guide slope (12d) is provided on an inner wall of the open cavity end of the second signal contact portion (12), and a second projection (12c) having an enlarged outer diameter is provided on an outer wall of the open cavity end of the second signal contact portion (12).

7. An inner conductor assembly, characterized in that it comprises a first inner conductor (1) and a second inner conductor (2) arranged in axial sequence, said first inner conductor (1) being an inner conductor according to any of claims 1-6.

8. The inner conductor assembly according to claim 7, characterized in that the second inner conductor (2) is a cavity structure with one open end, and the cavity open end of the second inner conductor (2) is axially and floatingly clamped with the circumferential gap of the first inner conductor (1);

a spring (3) is arranged in a cavity where the second inner conductor (2) is connected with the first inner conductor (1).

9. The inner conductor assembly according to claim 8, characterized in that a third boss (2b) with a reduced inner diameter is provided on the inner wall of the cavity structure port of the second inner conductor (2), a fourth boss (2c) with a reduced inner diameter is provided near the bottom of the cavity structure of the second inner conductor (2), and a closing slope (2a) is provided outside the cavity structure port of the second inner conductor (2).

10. A connector characterized by an outer conductor (5), an insulator and an inner conductor assembly, said inner conductor assembly being as claimed in claim 7, 8 or 9;

the insulator comprises a first support (4a), a second support (4b), a third support (4c) and a fourth support (4d) which are sequentially arranged along the axial direction; the first support (4a) is a disc component, and the second support (4b), the third support (4c) and the fourth support (4d) are tubular parts with sequentially increased outer diameters;

the outer conductor (5) is a cavity pipe fitting, the inner wall of the cavity pipe fitting is sequentially provided with a first isolation section (5a), a second isolation section (5b) and a third isolation section (5c), the inner wall of the third isolation section (5c) is provided with a first limiting table (5d), and a second limiting table (5e) is connected with the third isolation section (5 c).