CN210074122U

CN210074122U - Detachable SSMP coaxial load

Info

Publication number: CN210074122U
Application number: CN201921012090.0U
Authority: CN
Inventors: 陈周; 陆烈红; 唐宗鱼
Original assignee: Leihua Electronic Technology Research Institute Aviation Industry Corp of China
Current assignee: Leihua Electronic Technology Research Institute Aviation Industry Corp of China
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-02-14
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a but coaxial load of split SSMP includes: the first part comprises a first inner conductor, a first supporting body and a first outer conductor which are coaxially arranged, and one end of the first outer conductor is provided with an external thread; the second part comprises a second inner conductor, a second outer conductor, a second supporting body, a third outer conductor, a third medium, a first reed, a fourth medium, a columnar resistor, a second reed and a fourth outer conductor which are coaxially arranged, wherein one end of the second outer conductor is provided with an internal thread and is in threaded connection with the first outer conductor, and the fourth outer conductor is provided with an external thread; and a third portion having an internal thread at one end and being threadedly coupled to the fourth outer conductor. The utility model discloses have that use cost is low, the electricity is connected reliably, small, can be applied to the microwave system of the intensive installation of modularization and the application scene of frequent plug.

Description

Detachable SSMP coaxial load

Technical Field

The utility model relates to an electric connector technical field especially relates to a but split SSMP coaxial load of applied microwave system.

Background

The coaxial load is a single-port microwave device, is mainly used for absorbing redundant energy in a microwave system and improving impedance matching performance, is widely applied to radio equipment, electronic instruments and various microwave systems, and is an important component of a radio frequency transmission system. With the development of science and technology, the microwave system develops towards miniaturization, modularization, high frequency, high efficiency and the like, and the SSMP radio frequency coaxial connector is a subminiature push-in radio frequency coaxial connector, is more and more favored by microwave engineers due to the characteristics of small volume, light weight, high plugging efficiency, high frequency and the like, and is widely applied to the scenes of modularization intensive installation.

Although the radio frequency SSMP coaxial load has many excellent characteristics, there are some problems in using the load in some situations.

(1) The use cost is high. Most of radio frequency SSMP coaxial loads are of integrated structures, as shown in figure 1, the mutual insertion connection of the SSMP coaxial loads and other SSMP connectors is mainly that an inner conductor and an outer conductor are respectively connected, the inner conductor is mainly connected through a male-female joint in a tight manner, the outer conductor is assembled through the engagement of a reed on the outer conductor of the SSMP coaxial loads and the outer conductor of the connectors, the engagement force is too large, the reed of the outer conductor of the coaxial loads is easily damaged, the electrical performance of the SSMP coaxial loads is reduced, the service life of the radio frequency SSMP coaxial loads is influenced, and the use cost is increased

(2) And the disassembly is difficult when the installation is dense. In a plurality of dense installation occasions, the space among the SSMP serial coaxial loads is limited, the volume of the SSMP serial coaxial loads is small, and the SSMP serial coaxial loads are inconvenient to use and difficult to disassemble when being densely installed.

SUMMERY OF THE UTILITY MODEL

Purpose of the utility model

The utility model discloses the not enough of prior art is overcome to the purpose of the invention, provides a neotype SSMP coaxial load, and this coaxial load can be split into triplex to solve SSMP series coaxial load intensive installation and the difficult problem of dismantlement, can reduce coaxial load's use cost simultaneously again.

Technical scheme

The utility model discloses a can dismantle SSMP coaxial load includes: the first part comprises a first inner conductor, a first supporting body and a first outer conductor which are coaxially arranged, and one end of the first outer conductor is provided with an external thread; the second part comprises a second inner conductor, a second outer conductor, a second supporting body, a third outer conductor, a third medium, a first reed, a fourth medium, a columnar resistor, a second reed and a fourth outer conductor which are coaxially arranged, wherein one end of the second outer conductor is provided with an internal thread and is in threaded connection with the first outer conductor, and the fourth outer conductor is provided with an external thread; and a third portion having an internal thread at one end and being threadedly coupled to the fourth outer conductor.

In the above detachable SSMP coaxial load, preferably, the first outer conductor may be a cylindrical cylinder and accommodate the first inner conductor and the first support, and the first support may be a cylindrical cylinder and fix the first inner conductor at a position coaxial with the first outer conductor.

In the above detachable SSMP coaxial load, preferably, the other end of the first outer conductor may be provided with a spring.

In the above-mentioned detachable SSMP coaxial load, preferably, the second outer conductor, the third outer conductor, and the fourth outer conductor may be integrally formed, and the second medium is used to fix the second inner conductor at a position coaxial with the first outer conductor.

In the above removable SSMP coaxial load, preferably, the lengths of the third medium and the fourth medium may be greater than the lengths of the first spring and the second spring, for fixing the first spring, the second spring and the columnar resistor.

In the above-mentioned detachable SSMP coaxial load, preferably, the opposite surfaces of the third medium and the fourth medium may be respectively provided with a tapered recess to facilitate mounting and fixing the first spring, the second spring and the columnar resistor.

In the above-described detachable SSMP coaxial load, preferably, the first spring, the second spring, and the columnar resistor may be held in close contact by a third medium and a fourth medium.

In the above-described detachable SSMP coaxial load, preferably, the outer surface of the other end of the third portion may include a stepped portion for installation and fastening.

In the above detachable SSMP coaxial load, preferably, one end of the first inner conductor may be inserted and matched with one end of the second inner conductor.

Advantageous effects

The utility model discloses load split is the triplex, has following advantage:

(1) the utility model discloses a first portion passes through the screw thread and is connected with the second portion, guarantees to connect reliably. Meanwhile, in the frequent use process, the spring or the jack in the first outer conductor is damaged, and only the first part needs to be replaced, so that the whole SMP radio frequency load is not scrapped, and the use cost is effectively reduced.

(2) The utility model discloses a plug cavity, plug cavity pass through screw thread and second part installation, in the microwave system of the coaxial intensive installation of SSMP radio frequency, because the space is limited, inconvenient use frock installation, the plug cavity can make things convenient for the coaxial plug of SSMP radio frequency to use.

The utility model discloses have that use cost is low, the electricity is connected reliably, small, can use the microwave system of the intensive installation of modularization and the application scene of frequent plug.

Drawings

Fig. 1 shows an existing SSMP coaxial load;

fig. 2 shows a cross-sectional view of an SSMP coaxial load of the present invention;

fig. 3 shows a cross-sectional view of a first portion of an SSMP coaxial load of the present invention;

fig. 4 shows a perspective view of a first part of the SSMP coaxial load of the invention;

fig. 5 shows a cross-sectional view of a second portion of the SSMP coaxial load of the present invention;

fig. 6 shows a cross-sectional view of a third portion of the SSMP coaxial load of the present invention;

fig. 7 shows a perspective view of a third portion of the SSMP coaxial load of the present invention.

Detailed Description

The detachable SSMP coaxial load of the present invention will be described in detail with reference to fig. 2-7.

As shown in the figure, the detachable SSMP coaxial load of the present invention includes a first inner conductor 1, a first support body 2, a first outer conductor 3, a second inner conductor 4, a second outer conductor 5, a second support body 6, a third outer conductor 7, a third medium 8, a first reed 9, a fourth medium 10, a columnar resistor 11, a second reed 12, a fourth outer conductor 13 and a plug cavity 14.

The first inner conductor 1 is cylindrical, and two ends of the first inner conductor are provided with circular jacks A which penetrate through the first medium 2 support; the first supporting body 2 is a cylindrical cylinder and is arranged at the center of the transmission cavity of the first outer conductor 3.

The first outer conductor 3 is a cylindrical barrel, one end of the first outer conductor is provided with a reed 31, the outer wall of the other end of the first outer conductor is provided with a thread 32, the middle part of the cylinder is provided with a parallel step 33, and the first outer conductor is arranged in the second outer conductor 5 through the thread.

The second inner conductor 4 is a T-shaped cylindrical body, one end of the second inner conductor is provided with a plug B which is matched with the circular jack A of the first inner conductor, and the other end of the second inner conductor penetrates through the second medium 6. In the present embodiment, the second inner conductor has a plug (male terminal), and the end of the first inner conductor that mates with the second inner conductor has a receptacle (female terminal), but is not limited thereto. Both ends of the first inner conductor may have a female or male end at the same time, or one end may have a male end and one end may have a female end, while the second inner conductor has a plug or jack that mates with the corresponding end of the first inner conductor.

The second medium 6 is a cylindrical cylinder and is fixed in the second outer conductor 5. The second outer conductor 5 is a T-shaped cylindrical body, one end of which has a thread 51 on the inner wall and the other end is embedded in the third outer conductor 7.

The third outer conductor 7 is a T-shaped cylindrical barrel, and is embedded with a third medium 8 and a fourth medium 10. The third medium 8 and the fourth medium 10 are both cylindrical cylinders, the outer diameter of the third medium 8 is smaller than the outer diameter of the fourth medium 10, the lengths of the two media are larger than the lengths of the first reed 9 and the second reed 12, the two media are used for fixing the first reed 9, the second reed 12 and the cylindrical resistor 11, and tapered holes 81 and 101 are formed in corresponding surfaces of the two media, so that the first reed 9, the second reed 12 and the cylindrical resistor 11 can be conveniently installed.

The first reed 9, the second reed 10 and the resistor 11 are all columnar bodies, and are nested in the third medium 8 and the fourth medium 10 together and kept in close contact; the fourth outer conductor 13 is a U-shaped cylindrical body, one end of which is provided with a circular inner cavity, and is in close contact with the third outer conductor 7 and the second spring 12, and the outer wall of the other end of which is provided with a thread 131 which is in threaded connection with the plug cavity 14.

The first inner conductor 1, the first support 2 and the first outer conductor 3 constitute a first part, as shown in fig. 3 and 4;

the second inner conductor 4, the second support 6, the second outer conductor 5, the third outer conductor 7, the fourth outer conductor 13, the third medium 8, the fourth medium 10, the first spring 9, the columnar resistor 11 and the second spring 12 form a second part, as shown in fig. 5;

the plug cavity 14 is a third part, which is a cylindrical barrel, and has threads 141 on the inner wall of one end and parallel steps 142 on the outer wall of the other end for installation and fastening, as shown in fig. 6 and 7.

Claims

1. A detachable SSMP coaxial load, comprising:

the first part comprises a first inner conductor, a first supporting body and a first outer conductor which are coaxially arranged, and one end of the first outer conductor is provided with an external thread;

the second part comprises a second inner conductor, a second outer conductor, a second supporting body, a third outer conductor, a third medium, a first reed, a fourth medium, a columnar resistor, a second reed and a fourth outer conductor which are coaxially arranged, wherein one end of the second outer conductor is provided with an internal thread and is in threaded connection with the first outer conductor, and the fourth outer conductor is provided with an external thread; and

a third portion having an internal thread at one end and being in threaded connection with the fourth outer conductor.

2. The detachable SSMP coaxial load of claim 1, wherein the first outer conductor is a cylindrical barrel and houses the first inner conductor and the first support, the first support being a cylindrical barrel and securing the first inner conductor in a coaxial position with the first outer conductor.

3. The detachable SSMP coaxial load of claim 1, wherein the other end of the first outer conductor is provided with a spring.

4. The detachable SSMP coaxial load of claim 1, wherein a second outer conductor, a third outer conductor, a fourth outer conductor are integrally formed, and a second dielectric is used to secure the second inner conductor in a position coaxial with the first outer conductor.

5. The detachable SSMP coaxial load of claim 1, wherein the third dielectric and the fourth dielectric each have a length greater than the length of the first reed and the second reed for securing the first reed, the second reed and the cylindrical resistor.

6. The detachable SSMP coaxial load of claim 5, wherein the opposing surfaces of the third and fourth mediums are respectively provided with a tapered recess to facilitate mounting and fixing the first spring, the second spring and the cylindrical resistor.

7. The detachable SSMP coaxial load according to claim 5 or 6, wherein the first reed, the second reed and the cylindrical resistor are held in close contact by a third medium and a fourth medium.

8. The detachable SSMP coaxial load of claim 1, wherein the outer surface of the other end of the third portion includes a step for installation fastening.

9. The detachable SSMP coaxial load of claim 1, wherein one end of the first inner conductor is mated with one end of the second inner conductor.