CN106950010A - A kind of vacuum gauge environmental control system - Google Patents
A kind of vacuum gauge environmental control system Download PDFInfo
- Publication number
- CN106950010A CN106950010A CN201710285523.9A CN201710285523A CN106950010A CN 106950010 A CN106950010 A CN 106950010A CN 201710285523 A CN201710285523 A CN 201710285523A CN 106950010 A CN106950010 A CN 106950010A
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- China
- Prior art keywords
- spring
- metal pipe
- vacuum gauge
- vacuum
- dust
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
Abstract
The invention provides a kind of vacuum gauge environmental control system, belong to equipment processing technique field.Vacuum gauge environmental control system includes spring-like metal pipe and dust-proof centre frame, and spring-like metal pipe lower surface is connected by KF flanges and vacuum furnace body interface, and the diameter of spring-like metal pipe lower surface and the diameter of vacuum furnace body interface are consistent；Spring-like metal pipe upper surface is connected by KF flanges and vacuum gauge interface, and the diameter and vacuum gauge interface diameter of spring-like metal pipe upper surface are consistent；Dust-proof centre frame is followed successively by stainless (steel) wire, stainless steel stent and vacuum rubber circle from inside to outside, is arranged on the upper and lower end of spring-like metal pipe；Vacuum gauge environmental control system can effectively prevent that vacuum gauge from sucking impurity and steam and polluting, it is to avoid measurement signal distortion or the problem of damage, it is ensured that product quality, save vacuum gauge and repair and update cost.
Description
Technical field
The present invention relates to a kind of vacuum gauge environmental control system, belong to equipment processing technique field.
Background technology
In order to improve the thermal treatment quality of metal parts, each Heat Treatment Enterprises are commonly used vacuum drying oven, various vacuum
Stove is required for being controlled the vacuum in stove.Its control mode majority is (true using vacuum gauge connection vacuum controller
Empty table), the oxygen content in stove is controlled.Before vacuum equipment heating heating, continuous heating chamber is measured with vacuum gauge
Vacuum whether technological requirement has been reached with feedback heater room, it is to avoid the too high oxygen for causing piece surface of oxygen content in stove
Change.Monitoring in real time, control vacuum are also required in equipment heating process, to ensure the quality of product.This control mode, to true
The accuracy requirement of sky meter is very high, if control is inaccurate, will influence product quality.
Because the dirt cleaning that part enters stokehold surface is not thorough, produced in vacuum drying oven pumping and heating process meeting to true
Sky regulates the harmful substance polluted；Vacuum drying oven thermal insulating material under steam and high temperature that the quenching oil evaporation of vacuum oil quenching is produced
The dust that material is produced can also be polluted to vacuum gauge.These pollutants are attached on the arc-induced of vacuum gauge silk, are led
The sensitivity decrease of test is caused, is tested inaccurate；The damage of vacuum gauge can be caused when seriously polluted.
In the case where not taking anti-pollution measure, vacuum gauge was used after certain time, because suction impurity, steam are made
Into pollution, repairing, the renewal cost of costliness are not only needed, more seriously, at the initial stage of pollution due to the process of distorted signals
It is slow, is difficult to be found, causes test number inaccurate, the control of oxygen content in influence stove.
The content of the invention
There is provided a kind of vacuum gauge environmental control system in view of the shortcomings of the prior art by the present invention.
Technical scheme：
A kind of vacuum gauge environmental control system, including KF flanges 2, spring-like metal pipe 4, vacuum gauge 7 and dust-proof center
Frame 8, the two ends of spring-like metal pipe 4 welding spring-like metal pipe lower surface 3 and spring-like metal pipe upper surface 5, dust-proof centre frame 8
It is separately positioned at spring-like metal pipe lower surface 3 and spring-like metal pipe upper surface 5, for dust-proof；
Described spring-like metal pipe 4 makes pollutant be attached to spring-like metal pipe 4 when by spring-like metal pipe 4
On inwall, effectively prevent that pollutant from entering vacuum gauge 7；
Described spring-like metal pipe lower surface 3 is connected by KF flanges 2 and vacuum furnace body interface 1, spring-like metal
The diameter of pipe lower surface 3 and the diameter of vacuum furnace body interface 1 are consistent, by the thickness for controlling dust-proof centre frame 8, it is ensured that
Spring-like metal pipe lower surface 3 and the gross thickness of dust-proof centre frame 8 are fitted close with KF flanges 2, it is ensured that KF flanges 2 are true after locking
Sky regulates the air-tightness of environmental control system；
Described spring-like metal pipe upper surface 5 is connected by KF flanges 2 and vacuum gauge interface 6, spring-like metal pipe
The diameter and the diameter of vacuum gauge interface 6 of upper surface 5 are consistent, by the thickness for controlling dust-proof centre frame 8, it is ensured that spring-like
Metal tube upper surface 5 and the gross thickness of dust-proof centre frame 8 are fitted close with KF flanges 2, it is ensured that vacuum gauge after the locking of KF flanges 2
The air-tightness of environmental control system；
Described dust-proof centre frame 8 includes vacuum rubber circle 9, stainless steel stent 10 and stainless (steel) wire 11, dust-proof centre frame 8
Stainless (steel) wire 11, stainless steel stent 10 and vacuum rubber circle 9, i.e. stainless steel stent 10 are followed successively by from inside to outside is fixed on stainless steel
The inner side of support 10, the outermost layer of dust-proof centre frame 8 is fixed by vacuum rubber circle 9；
Described vacuum rubber circle 9 is ensureing that spring-like metal pipe upper surface 5 and vacuum gauge interface 6 are tight through KF flanges 2
While air-tightness after close locking, also ensure that the interface 1 of spring-like metal pipe lower surface 3 and body of heater is locked through KF flanges 2
Air-tightness；
Described stainless steel stent 10 is ensureing the center of spring-like metal pipe upper surface 5 and vacuum gauge interface 6 same
While on straight line, also guarantee spring-like metal pipe lower surface 3 and the center of vacuum furnace body interface 1 are in same straight line
On；
Described stainless (steel) wire 11 effectively prevents that granular dust from entering vacuum gauge 7.
Beneficial effects of the present invention：
(1) spring-like metal pipe and stainless (steel) wire can be cleaned after pollution, can be reused, be subtracted after drying
It is few.
(2) vacuum gauge environmental control system can effectively prevent that vacuum gauge from sucking impurity and steam and polluting,
Avoid the problem of measurement signal distortion or damage, it is ensured that product quality, save vacuum gauge and repair and update cost.
(3) vacuum gauge environmental control system can solve the pollution problem of various vacuum gauges, it is to avoid vacuum gauge is because inhaling
Enter impurity and steam pollutes and makes the problem of measurement signal distortion or damage, it is ensured that product quality, save vacuum gauge
Repair and update cost.
Brief description of the drawings
Fig. 1 is vacuum gauge environmental control system system diagram.
Fig. 2 is dust-proof centre frame schematic diagram.
In figure：1 vacuum furnace body interface；2KF flanges；3 spring-like metal pipe lower surfaces；4 spring-like metal pipes；5 springs
Shape metal tube upper surface；6 vacuum gauge interfaces；7 vacuum gauges；8 dust-proof centre frames；9 vacuum sealing cushion rubbers；10 center bearing brackets；
11 stainless (steel) wires.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, the embodiment of the present invention is further illustrated.
Embodiment
A kind of vacuum gauge environmental control system, including KF flanges 2, spring-like metal pipe 4, vacuum gauge 7 and dust-proof center
Frame 8, the two ends of spring-like metal pipe 4 welding spring-like metal pipe lower surface 3 and spring-like metal pipe upper surface 5, dust-proof centre frame 8
It is separately positioned at spring-like metal pipe lower surface 3 and spring-like metal pipe upper surface 5, for dust-proof；
Described spring-like metal pipe 4 makes pollutant be attached to spring-like metal pipe 4 when by spring-like metal pipe 4
On inwall, effectively prevent that pollutant from entering vacuum gauge 7；
Described spring-like metal pipe lower surface 3 is connected by KF flanges 2 and vacuum furnace body interface 1, spring-like metal
The diameter of pipe lower surface 3 and the diameter of vacuum furnace body interface 1 are consistent, by the thickness for controlling dust-proof centre frame 8, it is ensured that
Spring-like metal pipe lower surface 3 and the gross thickness of dust-proof centre frame 8 are fitted close with KF flanges 2, it is ensured that KF flanges 2 are true after locking
Sky regulates the air-tightness of environmental control system；
Described spring-like metal pipe upper surface 5 is connected by KF flanges 2 and vacuum gauge interface 6, spring-like metal pipe
The diameter and the diameter of vacuum gauge interface 6 of upper surface 5 are consistent, by the thickness for controlling dust-proof centre frame 8, it is ensured that spring-like
Metal tube upper surface 5 and the gross thickness of dust-proof centre frame 8 are fitted close with KF flanges 2, it is ensured that vacuum gauge after the locking of KF flanges 2
The air-tightness of environmental control system；
Described dust-proof centre frame 8 includes vacuum rubber circle 9, stainless steel stent 10 and stainless (steel) wire 11, dust-proof centre frame 8
Stainless (steel) wire 11, stainless steel stent 10 and vacuum rubber circle 9, i.e. stainless steel stent 10 are followed successively by from inside to outside is fixed on stainless steel
The inner side of support 10, the outermost layer of dust-proof centre frame 8 is fixed by vacuum rubber circle 9；
Described vacuum rubber circle 9 is ensureing that spring-like metal pipe upper surface 5 and vacuum gauge interface 6 are tight through KF flanges 2
While air-tightness after close locking, also ensure that the interface 1 of spring-like metal pipe lower surface 3 and body of heater is locked through KF flanges 2
Air-tightness；
Described stainless steel stent 10 is ensureing the center of spring-like metal pipe upper surface 5 and vacuum gauge interface 6 same
While on straight line, also guarantee spring-like metal pipe lower surface 3 and the center of vacuum furnace body interface 1 are in same straight line
On；
Described stainless (steel) wire 11 effectively prevents that granular dust from entering vacuum gauge 7.
Points for attention during implementation：
The internal diameter of described spring-like metal pipe 4 be difficult it is too small, diameter should in more than 3mm, in order to avoid airflow it is not smooth and
Influence the accuracy of test.Spring-like metal pipe 4 and upper surface 5, the firm welding of lower surface 3, and ensure it is gastight also simultaneously
Ensure that airflow is smooth.
The internal diameter outline of vacuum rubber circle 9 is less than the external diameter of stainless steel stent 10, it is matched somebody with somebody by the elastic tight of cushion rubber
It is combined.The cushion rubber that should more renew after vacuum gauge or maintenance is changed, prevents that cushion rubber aging from influenceing sealing.
Stainless (steel) wire 11 is woven using thin stainless steel wire, and is welded on the inwall of stainless steel stent 10, and steel wire spacing exists
0.5mm or so is advisable.
The pollutants such as the granular dust of major part produced in stove are due to the resistance of the stainless (steel) wire 11 of dust-proof centre frame 8
Gear, it is impossible to enter spring-like metal pipe 4.Into a small amount of pollutant of spring-like metal pipe 4, spring-like metal can be much attached to
On the inwall of pipe 4, make the pollutant of arrival spring-like metal pipe upper surface 5 quite few.
The minimal amount of pollutant for reaching spring-like metal pipe upper surface 5, due to the stainless (steel) wire by dust-proof centre frame 8
11 stop, it is virtually impossible to enter vacuum gauge 7.
Claims (1)
1. a kind of vacuum gauge environmental control system, it is characterised in that described vacuum gauge environmental control system includes KF flanges
(2), spring-like metal pipe (4), vacuum gauge (7) and dust-proof centre frame (8), spring-like metal pipe (4) two ends welding spring-like
Metal tube lower surface (3) and spring-like metal pipe upper surface (5), dust-proof centre frame (8) are separately positioned under spring-like metal pipe
End face (3) and spring-like metal pipe upper surface (5) place, for dust-proof；
Described spring-like metal pipe (4) makes pollutant be attached to spring-like metal pipe (4) when by spring-like metal pipe (4)
Inwall on, effectively prevent pollutant enter vacuum gauge (7)；
Described spring-like metal pipe lower surface (3) is connected by KF flanges (2) and vacuum furnace body interface (1), spring-like gold
The diameter of the diameter and vacuum furnace body interface (1) that belong to pipe lower surface (3) is consistent, by controlling dust-proof centre frame (8)
Thickness, it is ensured that spring-like metal pipe lower surface (3) and the gross thickness of dust-proof centre frame (8) are fitted close with KF flanges (2), it is ensured that
The air-tightness of vacuum gauge environmental control system after KF flanges (2) locking；
Described spring-like metal pipe upper surface (5) is connected by KF flanges (2) and vacuum gauge interface (6), spring-like metal
The diameter and vacuum gauge interface (6) diameter of pipe upper surface (5) are consistent, by controlling the thickness of dust-proof centre frame (8), are protected
Demonstrate,prove spring-like metal pipe upper surface (5) and the gross thickness of dust-proof centre frame (8) is fitted close with KF flanges (2), it is ensured that KF flanges
(2) air-tightness of vacuum gauge environmental control system after locking；
Described dust-proof centre frame (8) include vacuum rubber circle (9), stainless steel stent (10) and stainless (steel) wire (11), it is dust-proof in
Heart frame (8) is followed successively by stainless (steel) wire (11), stainless steel stent (10) and vacuum rubber circle (9), i.e. stainless steel stent from inside to outside
(10) it is fixed on the inside of stainless steel stent (10), the outermost layer of dust-proof centre frame (8) is fixed by vacuum rubber circle (9)；
Described vacuum rubber circle (9) is ensureing spring-like metal pipe upper surface (5) and vacuum gauge interface (6) through KF flanges
(2) while air-tightness after firm locking, also ensure the interface (1) of spring-like metal pipe lower surface (3) and body of heater through KF methods
The air-tightness of blue (2) locking；
Described stainless steel stent (10) exists at the center for ensureing spring-like metal pipe upper surface (5) and vacuum gauge interface (6)
While on same straight line, also the center of guarantee spring-like metal pipe lower surface (3) and vacuum furnace body interface (1) is same
On bar straight line；
Described stainless (steel) wire (11) effectively prevents that granular dust from entering vacuum gauge (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285523.9A CN106950010A (en) | 2017-04-27 | 2017-04-27 | A kind of vacuum gauge environmental control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285523.9A CN106950010A (en) | 2017-04-27 | 2017-04-27 | A kind of vacuum gauge environmental control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106950010A true CN106950010A (en) | 2017-07-14 |
Family
ID=59476861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710285523.9A Pending CN106950010A (en) | 2017-04-27 | 2017-04-27 | A kind of vacuum gauge environmental control system |
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| CN (1) | CN106950010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731651A (en) * | 2017-09-28 | 2018-02-23 | 中国航发动力股份有限公司 | A kind of protection device for being used to extend ionization gauge service life |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB486483A (en) * | 1937-06-03 | 1938-06-03 | British Rola Company Ltd | Improvements in or relating to vacuum relief valves |
| WO1998011975A1 (en) * | 1996-09-18 | 1998-03-26 | Jacques Bellini | Method for eliminating dust from a gas stream |
| CN200962064Y (en) * | 2006-09-27 | 2007-10-17 | 西安航空发动机（集团）有限公司 | A two-purpose vacuum standard pipe interface |
| CN105241605A (en) * | 2015-10-29 | 2016-01-13 | 山东大业股份有限公司 | Combined type pressure reduction gauge bending unit |
| CN207019835U (en) * | 2017-04-27 | 2018-02-16 | 沈阳飞机工业（集团）有限公司 | A kind of vacuum gauge environmental control system |
-
2017
- 2017-04-27 CN CN201710285523.9A patent/CN106950010A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB486483A (en) * | 1937-06-03 | 1938-06-03 | British Rola Company Ltd | Improvements in or relating to vacuum relief valves |
| WO1998011975A1 (en) * | 1996-09-18 | 1998-03-26 | Jacques Bellini | Method for eliminating dust from a gas stream |
| CN200962064Y (en) * | 2006-09-27 | 2007-10-17 | 西安航空发动机（集团）有限公司 | A two-purpose vacuum standard pipe interface |
| CN105241605A (en) * | 2015-10-29 | 2016-01-13 | 山东大业股份有限公司 | Combined type pressure reduction gauge bending unit |
| CN207019835U (en) * | 2017-04-27 | 2018-02-16 | 沈阳飞机工业（集团）有限公司 | A kind of vacuum gauge environmental control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731651A (en) * | 2017-09-28 | 2018-02-23 | 中国航发动力股份有限公司 | A kind of protection device for being used to extend ionization gauge service life |
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Application publication date: 20170714 |