CN216671559U

CN216671559U - Ceramic gold-plated quadrupole rod

Info

Publication number: CN216671559U
Application number: CN202123226009.9U
Authority: CN
Inventors: 康文丰; 杨龙
Original assignee: Hebei Ziyue Machinery Equipment Co ltd
Current assignee: Hebei Ziyue Machinery Equipment Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-03
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a ceramic gold-plated quadrupole rod which comprises a quadrupole rod body, wherein two nut columns are arranged on one end face of the quadrupole rod body at intervals, an internal ceramic tube is arranged inside the quadrupole rod body, and an external gold-plated layer is arranged on the periphery of the internal ceramic tube. The ceramic material adopted by the utility model is characterized by comprising the following components: good electrical insulation performance at normal temperature and high temperature, high hardness, low expansibility at high temperature, almost no influence on mechanical properties, and no magnetic permeability. The outer layer is plated with gold and then has excellent conductivity, so that the material is one of the best materials for high-performance and high-precision quadrupole rods.

Description

Ceramic gold-plated quadrupole rod

Technical Field

The utility model relates to the technical field of quadrupole rods, in particular to a ceramic gold-plated quadrupole rod.

Background

Quadrupole (Quadrupole) consisting of four exactly parallel rods with Direct Current (DC) and superimposed Radio Frequency (RF) voltages, one pair of opposing electrodes being equipotential and the two pairs of electrodes being at opposite potentials. When a group of ions with different mass-to-charge ratios axially enter an electric field consisting of DC and RF along parallel rods, only ions meeting specific conditions stably oscillate through quadrupole rods to reach a monitor for detection. Mass spectra can be obtained by scanning the RF field.

The quadrupole is low in cost and low in price, although the mass-to-charge ratio range of daily analysis can only reach 3000, the ESI ionization mode for generating ions under the atmospheric pressure condition can be well adapted due to the fact that higher pressure can be allowed in the analyzer, and the most outstanding characteristic of ESI ionization is that multiple charges are generated, and the charge distribution generated by electrospray ionization of proteins and other biomolecules is generally below 3000, so that the quadrupole is widely used with ESI. In addition, the triple quadrupole can be used for multistage mass spectrometry, so that the quantification is convenient, and the use is extremely wide.

The traditional four-stage rod is easy to deform at high temperature, and the mechanical property is damaged.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the technical drawbacks mentioned.

Therefore, an object of the present invention is to provide a ceramic gold-plated quadrupole rod, which solves the above-mentioned problems in the prior art and overcomes the disadvantages of the prior art.

In order to achieve the above object, an embodiment of an aspect of the present invention provides a ceramic gold-plated quadrupole rod, including a quadrupole rod body, two nut posts are disposed on an end face of the quadrupole rod body at intervals, an inner ceramic tube is disposed inside the quadrupole rod body, and an outer gold-plated layer is disposed on an outer periphery of the inner ceramic tube.

Preferably, in any of the above embodiments, the thickness of the outer gold-plating layer is 1 μm.

Preferably, in any one of the above schemes, the quadrupole rod body is of a cylindrical structure, and the inner ceramic tube is made of ceramic 95.

Preferably, in any of the above embodiments, the two nut posts are made of 4J29 alloy.

Preferably, the four-stage rod body is provided with two welding grooves, and the nut column extends into the welding grooves and is welded in the welding grooves in a vacuum welding mode.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

the ceramic material adopted by the utility model is characterized by comprising the following components: good electrical insulation performance at normal temperature and high temperature, high hardness, low expansibility at high temperature, almost no influence on mechanical properties, and no magnetic permeability. The outer layer is plated with gold and then has excellent conductivity, so that the material is one of the best materials for high-performance and high-precision quadrupole rods.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of an overall structure of a ceramic gold-plated quadrupole rod according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a quadrupole body of a ceramic gold-plated quadrupole in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged fragmentary exploded view of part A of a ceramic gold-plated quadrupole rod according to an embodiment of the present invention;

FIG. 4 is an enlarged partial connection view of part A of a ceramic gold-plated quadrupole rod according to an embodiment of the present invention.

Wherein: 1-a quadrupole rod body; 2-nut post; 3-vacuum brazing; 4-internal ceramic tubes; 5-external gold plating; 6-welding the groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, an embodiment of the utility model provides a ceramic gold-plated quadrupole rod according to an embodiment of the utility model, which includes a quadrupole rod body 1, two nut posts 2 are spaced apart from each other on one end surface of the quadrupole rod body 1, an inner ceramic tube 4 is disposed inside the quadrupole rod body 1, an outer gold-plated layer 5 is disposed on the outer periphery of the inner ceramic tube 4, the outer gold-plated layer 5 has a thickness of 1 μm, the quadrupole rod body 1 has a cylindrical structure, the inner ceramic tube 4 is made of ceramic 95, the two nut posts 2 are made of 4J29 alloy, two welding grooves 6 are disposed on the quadrupole rod body 1, the nut posts 2 extend into the welding grooves 6 and are welded in the welding grooves 6 by vacuum welding, and the welding position is a vacuum brazing portion 3.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be understood by those skilled in the art that the utility model includes any combination of the elements of the foregoing description and the detailed description as well as those illustrated in the drawings, which are meant to be space-limited and not intended to constitute a part of the specification in any way whatsoever, the combination being such that the description is not intended to be exhaustive. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pottery gilding quadrupole rod which characterized in that, includes the quadrupole rod body, interval sets up two nut posts on the terminal surface of quadrupole rod body, the inside ceramic pipe that is of quadrupole rod body, the periphery of inside ceramic pipe sets up outside gilding layer.

2. The ceramic gold-plated quadrupole rod of claim 1, wherein the outer gold-plating layer has a thickness of 1 μm.

3. The ceramic gold-plated quadrupole rod of claim 1, wherein the quadrupole rod body is of cylindrical configuration and the inner ceramic tube is comprised of ceramic 95.

4. The ceramic gold-plated quadrupole rod of claim 1, wherein the two nut studs are made of 4J29 alloy.

5. The ceramic gold-plated quadrupole rod of claim 1, wherein two weld grooves are provided in the quadrupole rod body, and the nutpost extends into the weld grooves and is welded therein by vacuum welding.