CN216843128U

CN216843128U - Handle valve of magnetic mass spectrometer

Info

Publication number: CN216843128U
Application number: CN202220222196.9U
Authority: CN
Inventors: 张艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-28
Anticipated expiration: 2032-01-27

Abstract

A handle valve of a magnetic mass spectrometer comprises a valve body, a handle valve outlet, a connecting bolt, a handle valve core, an oxygen-free copper pad, a handle valve inlet and a valve body sealing surface, wherein the handle valve outlet is formed in one side of the middle of the valve body; the handle valve core comprises a connecting valve seat, a mounting hole, an oxygen-free copper valve core and an air vent, the utility model has novel structure and ingenious conception, the handle valve is assembled, the sealing reliability is high, the vacuum pollution is little through oxygen-free copper hard sealing, the handle valve rod is provided with the air vent, the operation is convenient, the plane bearing is replaced by a martensitic stainless steel gasket, the cost is saved, and the efficiency is high; the handle valve is simple in structure, easy to operate, excellent in sealing effect, good in mechanical sealing performance and convenient to use.

Description

Handle valve of magnetic mass spectrometer

Technical Field

The utility model relates to a handle valve specifically is a handle valve of magnetic mass spectrograph.

Background

The handle valve is a valve commonly used in a magnetic mass spectrometer, has the advantages of simple structure, small volume, light weight, low cost and simple operation, and has good fluid control characteristic.

The handle valve of the existing magnetic mass spectrometer has the defects of insufficient corrosion resistance, short service life, insufficient tightness, low safety and inconvenience for use.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a handle valve of magnetic mass spectrometer, the effectual handle valve who has solved current magnetic mass spectrometer corrosion resistance is not enough, and life is short, and the seal is not enough, and the security is not high, is unfavorable for the problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a valve body, a handle valve outlet, a connecting bolt, a handle valve core, an oxygen-free copper pad, a handle valve inlet and a valve body sealing surface, wherein the handle valve outlet is arranged at one side of the middle part of the valve body, the handle valve core is arranged at one end of the valve body through the connecting bolt, the handle valve inlet is arranged at the middle part of the bottom end of the valve body, and the valve body sealing surface is arranged at the inner side of the handle valve inlet;

the handle valve core comprises a connecting valve seat, a mounting hole, a handle valve rod, a plane bearing, a sealing corrugated pipe, a valve core connecting seat, an oxygen-free copper valve core and an air release hole, the middle of the connecting valve seat is provided with the valve core connecting seat, the middle of the valve core connecting seat is provided with the handle valve rod, the outer side of the middle of the valve core connecting seat is provided with the sealing corrugated pipe, one end of the valve core connecting seat is provided with the oxygen-free copper valve core, and the air release hole is formed in the middle of the oxygen-free copper valve core.

Preferably, an oxygen-free copper pad is sleeved at the joint of the handle valve core and the valve body.

Preferably, the connecting valve seat is provided with a mounting hole at a position corresponding to the connecting bolt.

Preferably, the handle valve rod is connected with the valve core connecting seat through a plane bearing.

Preferably, the valve body is integrally machined from 316L stainless steel.

Preferably, the plane bearing adopts a martensitic stainless steel gasket.

Has the advantages that: when the utility model is used, the valve rod of the handle valve is screwed into the connecting valve seat, the flat bearing gasket is arranged between the valve rod of the handle valve and the connecting valve seat, the pliers are used for clamping the gap position between the valve core connecting seat and the valve rod of the handle valve to limit the moving freedom degree of the valve rod of the handle valve but keep the rotating freedom degree, then the connecting valve seat and the valve core connecting seat are welded into a whole through the corrugated pipe, the inside and the outside of the handle valve core are sealed, the valve rod of the handle valve is provided with the air vent to avoid air trapping, and the valve core connecting seat is provided with the oxygen-free copper valve core for sealing the handle valve; the valve body is integrally processed by adopting 316L materials, the NPT joint is welded outside the valve body, the handle valve core is assembled in the processed valve body, the valve body and the connecting valve seat are sealed through a knife edge, the internal vacuum degree is effectively ensured, and the opening and closing action of the handle valve can be achieved through the knob handle valve rod.

The utility model has novel structure and ingenious design, the assembled handle valve has high sealing reliability, the handle valve rod has an air vent hole through oxygen-free copper hard sealing, the operation is convenient, the planar bearing is replaced by a martensitic stainless steel gasket, the cost is saved and the efficiency is high; the handle valve is simple in structure, easy to operate, excellent in sealing effect, good in mechanical sealing performance and convenient to use.

Drawings

The accompanying drawings 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 invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the handle valve core structure of the present invention;

FIG. 3 is a schematic view of the structure of the valve stem of the handle valve of the present invention;

reference numbers in the figures: 1. a valve body; 2. a handle valve outlet; 3. a connecting bolt; 4. a handle valve core; 5. an oxygen-free copper pad; 6. a handle valve inlet; 7. a valve body sealing surface; 8. connecting the valve seat; 9. mounting holes; 10. a handle valve stem; 11. a flat bearing; 12. sealing the corrugated pipe; 13. a valve core connecting seat; 14. an oxygen-free copper valve core; 15. and (4) air bleeding.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

The first embodiment is given by figures 1-3, the utility model provides a handle valve of a magnetic mass spectrometer, which comprises a valve body 1, a handle valve outlet 2, a connecting bolt 3, a handle valve core 4, an oxygen-free copper pad 5, a handle valve inlet 6 and a valve body sealing surface 7, wherein the handle valve outlet 2 is arranged on one side of the middle part of the valve body 1, the handle valve core 4 is arranged at one end of the valve body 1 through the connecting bolt 3, the handle valve inlet 6 is arranged in the middle of the bottom end of the valve body 1, and the valve body sealing surface 7 is arranged on the inner side of the handle valve inlet 6;

handle case 4 is including connecting disk seat 8, mounting hole 9, handle valve rod 10, plane bearing 11, sealed bellows 12, case connecting seat 13, oxygen-free copper case 14 and gas release hole 15, the middle part of connecting disk seat 8 is provided with case connecting seat 13, the middle part of case connecting seat 13 is provided with handle valve rod 10, the outside at case connecting seat 13 middle part is provided with sealed bellows 12, the one end of case connecting seat 13 is provided with oxygen-free copper case 14, gas release hole 15 has been seted up at the middle part of oxygen-free copper case 14.

An oxygen-free copper pad 5 is sleeved at the joint of the handle valve core 4 and the valve body 1, so that the connection performance of the handle valve core 4 and the valve body 1 is ensured.

The connecting valve seat 8 is provided with a mounting hole 9 corresponding to the connecting bolt 3, so that the connecting valve seat 8 can be conveniently mounted and fixed.

The handle valve rod 10 is connected with the valve core connecting seat 13 through the plane bearing 11, so that the handle valve is convenient to use in a matching way.

The valve body 1 is integrally processed by 316L stainless steel, so that the strength of the valve body 1 is ensured.

The plane bearing 11 adopts a martensitic stainless steel gasket, so that the efficiency is high and the cost is reduced.

The working principle is as follows: when the utility model is used, the handle valve rod 10 is screwed into the connecting valve seat 8, the plane bearing 11 gasket is arranged between the handle valve rod 10 and the connecting valve seat 8, the pliers are used for clamping the space position between the valve core connecting seat 8 and the handle valve rod 10 to limit the moving freedom degree of the handle valve rod 10 and keep the rotating freedom degree, then the connecting valve seat 8 and the valve core connecting seat 13 are welded into a whole through the corrugated pipe 12, the inside and the outside of the handle valve core 4 are sealed, the handle valve rod 10 is provided with the air vent 15 to avoid air trapping, and the oxygen-free copper valve core 14 is arranged on the valve core connecting seat 8 and used for sealing the handle valve; the valve body 1 is integrally processed by adopting 316L materials, an NPT joint is welded outside the valve body, the handle valve core 4 is assembled in the processed valve body 1, the valve body 1 and the connecting valve seat 8 are sealed through a knife edge, the internal vacuum degree is effectively ensured, and the opening and closing effect of the handle valve can be achieved through the knob handle valve rod 10.

Has the advantages that: the utility model has novel structure and ingenious design, the assembled handle valve has high sealing reliability, the handle valve rod has an air vent hole through oxygen-free copper hard sealing, the operation is convenient, the planar bearing is replaced by a martensitic stainless steel gasket, the cost is saved and the efficiency is high; the handle valve is simple in structure, easy to operate, excellent in sealing effect, good in mechanical sealing performance and convenient to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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.

Claims

1. The utility model provides a handle valve of magnetic mass spectrometer, includes valve body (1), handle valve export (2), connecting bolt (3), handle case (4), oxygen-free copper pad (5), handle valve entry (6) and the sealed face of valve body (7), its characterized in that: a handle valve outlet (2) is formed in one side of the middle of the valve body (1), a handle valve core (4) is mounted at one end of the valve body (1) through a connecting bolt (3), a handle valve inlet (6) is formed in the middle of the bottom end of the valve body (1), and a valve body sealing surface (7) is arranged on the inner side of the handle valve inlet (6);

the handle valve core (4) comprises a connecting valve seat (8), a mounting hole (9), a handle valve rod (10), a plane bearing (11), a sealing corrugated pipe (12), a valve core connecting seat (13), an oxygen-free copper valve core (14) and an air release hole (15), the middle of the connecting valve seat (8) is provided with the valve core connecting seat (13), the middle of the valve core connecting seat (13) is provided with the handle valve rod (10), the outer side of the middle of the valve core connecting seat (13) is provided with the sealing corrugated pipe (12), one end of the valve core connecting seat (13) is provided with the oxygen-free copper valve core (14), and the air release hole (15) is formed in the middle of the oxygen-free copper valve core (14).

2. The handle valve of the magnetic mass spectrometer as claimed in claim 1, wherein an oxygen-free copper pad (5) is sleeved at the joint of the handle valve core (4) and the valve body (1).

3. The handle valve of the magnetic mass spectrometer as claimed in claim 1, wherein the connecting valve seat (8) is provided with a mounting hole (9) at a position corresponding to the connecting bolt (3).

4. The hand valve for a magnetic mass spectrometer as claimed in claim 1, characterized in that the hand valve stem (10) is connected to the valve core connection seat (13) by means of a flat bearing (11).

5. The hand valve of a magnetic mass spectrometer as claimed in claim 1, characterised in that the valve body (1) is integrally machined from 316L stainless steel.

6. A handle valve for a magnetic mass spectrometer according to claim 1, wherein the planar bearing (11) is a martensitic stainless steel shim.