CN211879581U

CN211879581U - Precise radio frequency coaxial load

Info

Publication number: CN211879581U
Application number: CN202020703836.9U
Authority: CN
Inventors: 代文鹏; 戴国俊
Original assignee: Jiangsu Zhengdi Microwave Technology Co ltd
Current assignee: Jiangsu Zhengdi Microwave Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-06
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses an accurate radio frequency coaxial load, which relates to the technical field of radio frequency coaxial connectors and comprises a shell, wherein the shell comprises a shell and a tail shell arranged at the rear end of the shell, the shell and the tail shell are integrally formed, a contact pin is arranged inside the shell, two ends of the contact pin are respectively arranged inside the shell and the tail shell, an outer conductor is fixedly arranged inside the tail shell, an insulator arranged inside the tail shell is arranged between the outer conductor and the inner conductor, the contact pin is arranged at one end of the tail shell and is provided with a resistor, the resistor is contacted with the contact pin, and a jackscrew is fixedly arranged at one end of the resistor far away from the contact pin, the resistor and the contact pin cannot move along with the insertion of an external element, and the situation that no signal loss occurs is ensured.

Description

Precise radio frequency coaxial load

Technical Field

The utility model relates to a connector field, in particular to coaxial load of accurate radio frequency.

Background

A radio frequency coaxial connector (hereinafter, referred to as an RF connector) is generally considered to be a component attached to a cable or mounted on an instrument as a component to which a transmission line is electrically connected or separated. It belongs to a mechatronic product. Simply say it and mainly play the bridge effect, current radio frequency coaxial connector when using, contact pin and resistance often can take place to rotate and the insecure phenomenon of installation along with the insertion of external component, lead to when using, and the signal is when the connector, and the loss is great, and signal transmission efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coaxial load of accurate radio frequency for solve the technical problem that above-mentioned background art exists.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a coaxial load of accurate radio frequency, includes the casing, the casing includes the shell and sets up the tail shell at the shell rear end, shell and tail shell integrated into one piece, and the inside of casing is provided with the contact pin, the both ends of contact pin are located the inside of shell and tail shell respectively, the inside of tail shell has set firmly the outer conductor, be equipped with the insulator of installing in the tail shell inside between outer conductor and the inner conductor, the one end that the contact pin is located the tail shell is provided with resistance, contacts between resistance and the contact pin, and the one end that the contact pin was kept away from to resistance has still set firmly the jackscrew.

Preferably, a gasket is arranged between the outer conductor and the tail shell, and the gasket is an elastic gasket.

Preferably, the jackscrew is fixed in the tail shell in a soldering mode, and the end of the jackscrew is abutted to one end, far away from the contact pin, of the resistor.

Preferably, a threaded sleeve is fixedly arranged on the outer side of the shell, and a connecting nut is connected to the outer portion of the threaded sleeve in a threaded manner.

Preferably, a clamping ring is arranged between the shell and the threaded sleeve, a clamping groove for the clamping ring to be placed is formed in the side wall of the shell, and the clamping ring, the shell and the threaded sleeve are in interference fit.

Preferably, the diameter of the housing is 6.5 mm.

The utility model has the advantages as follows: the utility model relates to an accurate radio frequency coaxial load has less voltage standing wave ratio, and the area of contact that the setting of jackscrew can effectual improvement resistance and outside insert for signal transmission's is efficient, and in addition, the setting of jackscrew can also play the fixed to resistance and contact pin, makes the utility model discloses when using, resistance and contact pin can not take place the drunkenness along with the inserting of external component, ensure that no signal loss's the condition takes place.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

With reference to fig. 1, the technical purpose of the present invention is achieved by the following technical solutions: the utility model provides a coaxial load of accurate radio frequency, includes the casing, the casing includes shell 3 and the tail shell 6 of setting at 3 rear ends of shell, shell 3 and tail shell 6 integrated into one piece, and the inside of casing is provided with contact pin 1, the both ends of contact pin 1 are located the inside of shell 3 and tail shell 6 respectively, the inside of tail shell 6 has set firmly outer conductor 5, be equipped with between outer conductor 5 and the inner conductor and install the inside insulator 2 at tail shell 6, the one end that contact pin 1 is located tail shell 6 is provided with resistance 7, contacts between resistance 7 and the contact pin 1, and the one end that contact pin 1 was kept away from to resistance 7 has still set firmly jackscrew 9, jackscrew 9 is fixed in the inside of tail shell 6 through the mode of soldering, the tip of jackscrew 9 and the one end looks butt that contact pin 1 was kept away from to resistance 7. The utility model relates to a coaxial load of accurate radio frequency has less voltage standing wave ratio, and the area of contact that can effectual improvement resistance 7 and outside plug-in components of jackscrew 9's setting for signal transmission's is efficient, and in addition, the setting of jackscrew 9 can also play the fixed to resistance 7 and contact pin 1, makes the utility model discloses when using, resistance 7 and contact pin 1 can not take place the drunkenness along with external element's inserting, ensure that no signal loss's the condition takes place.

Preferably, a gasket 10 is arranged between the outer conductor 5 and the tail shell 6, the gasket 10 is an elastic gasket, and the gasket 10 can improve the installation strength of the outer conductor 5 between the tail shell 6 and ensure that the outer conductor 5 does not move.

Preferably, the swivel nut 4 has been set firmly in the outside of shell 3, the outside threaded connection of swivel nut 4 has coupling nut 11, be provided with snap ring 8 between shell 3 and the swivel nut 4, the draw-in groove that supplies snap ring 8 to place is seted up to the lateral wall of shell 3, is interference fit between snap ring 8 and shell 3 and the swivel nut 4, and the setting of snap ring 8 can play the effect of maintenance, stability and support, guarantees the installation stability of swivel nut 4, ensures coupling nut 11 to the locking of external component.

Preferably, the diameter of casing is 6.5mm, the utility model discloses a casing of prior art is compared to the casing, and it is littleer to have the diameter, and the internals connection is more inseparable and firm, has small, light in weight, advantage that the consumptive material is few.

The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.

Claims

1. A coaxial load of accurate radio frequency, includes the casing, its characterized in that: the casing includes the shell and sets up the tail shell at the shell rear end, shell and tail shell integrated into one piece, and the inside of casing is provided with the contact pin, the both ends of contact pin are located the inside of shell and tail shell respectively, the inside of tail shell has set firmly the outer conductor, be equipped with the insulator of installing in the tail shell inside between outer conductor and the inner conductor, the one end that the contact pin is located the tail shell is provided with resistance, contacts between resistance and the contact pin, and the one end that the contact pin was kept away from to resistance has still set firmly the jackscrew.

2. The precision radio frequency coaxial load according to claim 1, wherein: a gasket is arranged between the outer conductor and the tail shell and is an elastic gasket.

3. The precision radio frequency coaxial load according to claim 2, wherein: the jackscrew is fixed in the tail shell in a soldering mode, and the end of the jackscrew is abutted against one end, far away from the contact pin, of the resistor.

4. The precision radio frequency coaxial load according to claim 3, wherein: the outer side of the shell is fixedly provided with a threaded sleeve, and the outer part of the threaded sleeve is in threaded connection with a connecting nut.

5. The precision radio frequency coaxial load according to claim 4, wherein: the clamping ring is arranged between the shell and the threaded sleeve, a clamping groove for the clamping ring to be placed is formed in the side wall of the shell, and the clamping ring is in interference fit with the shell and the threaded sleeve.

6. The precision radio frequency coaxial load according to claim 5, wherein: the diameter of the shell is 6.5 mm.