CN104728543B - Film flange - Google Patents
Film flange Download PDFInfo
- Publication number
- CN104728543B CN104728543B CN201510095096.9A CN201510095096A CN104728543B CN 104728543 B CN104728543 B CN 104728543B CN 201510095096 A CN201510095096 A CN 201510095096A CN 104728543 B CN104728543 B CN 104728543B
- Authority
- CN
- China
- Prior art keywords
- thin film
- flange
- ring flange
- film
- vacuum tank
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000010409 thin film Substances 0.000 claims description 40
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention provides a film flange which comprises a flange body, a vacuum groove, an annular film and an air inlet hole. The air inlet hole penetrates through the flange body, the vacuum groove is located in the end face of the flange body, the film and the flange body are welded and fixed, a chamfer with a certain angle is arranged on the joint of the film and the flange body, the film at the chamfer position is matched with the flange body, and the film covers the air inlet hole in a sealing mode. According to the film flange, the chamfer is arranged on the joint of the film and the flange body, the film at the chamfer position is matched with the flange body, after inflation, stress of the joint of the film and the flange body is small, and accordingly the film can be prevented from being torn from the flange body after inflation.
Description
Technical field
The present invention relates to mechanical engineering field, more particularly to a kind of thin film flange.
Background technology
Need to carry out the connection of vacuum box using sealing flange in high energy acclerator, existing sealing flange is most of all
It is KF and CF flanges, passes near bolt or the connection of quick-release chain, high vacuum seal is carried out by sealing gasket between flange.But
It is to be sealed using above-mentioned sealing flange, it is necessary to which people closely operates, it is impossible to be applied to the high-radiation area that people cannot be close
Domain.
The content of the invention
The brief overview with regard to the present invention is given below, to provide the basic reason with regard to certain aspects of the invention
Solution.It should be appreciated that this general introduction is not the exhaustive general introduction with regard to the present invention.It is not intended to determine the key of the present invention
Or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form, with
This is used as the preamble in greater detail discussed after a while.
It is an object of the invention to provide a kind of thin film flange, should remotely realize fine vacuum to on Puffer-type corrugated tube
Sealing.
The invention provides a kind of thin film flange, including：Ring flange, vacuum tank, the thin film of ring-type and air inlet, wherein：
Ring flange described in the air inlet insertion, the vacuum tank are located at the end face of the ring flange；
The thin film is welded and fixed with the ring flange, and the thin film is certain angle with the junction of the ring flange
Chamfering, at the chamfering, thin film is matched with ring flange；
The thin film is covered in above the air inlet.
Compared with prior art, the present invention includes advantages below：
The thin film flange that the present invention is provided, the junction of thin film and ring flange is chamfering, thin film and ring flange at the chamfering
Can match, after inflation, thin film is less with the stress of the junction of ring flange, can prevent inflate rear film from ring flange
Tear.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the sectional view under thin film flange use state provided in an embodiment of the present invention；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is the partial schematic diagram of thin film flange provided in an embodiment of the present invention.
Specific embodiment
For making purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Described in an a kind of accompanying drawing or embodiment of the present invention
Element and feature can combine with the element and feature that illustrate in one or more other accompanying drawings or embodiment.Should
Note, for purposes of clarity, eliminate in accompanying drawing and explanation unrelated to the invention, known to persons of ordinary skill in the art
Part and the expression for processing and description.Based on the embodiment in the present invention, those of ordinary skill in the art are not paying creation
Property work on the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
Fig. 1 is the sectional view under thin film flange use state provided in an embodiment of the present invention；Fig. 2 is the local at A in Fig. 1
Enlarged drawing；Fig. 3 is the partial schematic diagram of thin film flange provided in an embodiment of the present invention.Shown in reference picture 1- Fig. 3, in the present embodiment
Thin film flange can specifically include：Ring flange 1, the thin film 3 of vacuum tank 2, ring-type and air inlet 4, wherein：
4 insertion ring flange 1 of air inlet, vacuum tank 2 are located at the end face of the ring flange 1；The thin film 3 and the ring flange
1 is welded and fixed, and the junction of the thin film 3 and the ring flange 1 is the chamfering 8 of certain angle, and the specific chamfering number of degrees can
Determine that thin film 3 is matched with ring flange 1 at chamfering according to practical situation；The thin film 3 is covered in above the air inlet 2, thin
Film 3 is to be arranged with the annular of whole circle in the end face of ring flange 1.During use, weld on the end face of vacuum tank on ring flange 1
The inner corrugated pipe being coaxially disposed and outward corrugated tube 10.
It should be noted that as the junction of thin film 3 and the ring flange 1 in the present invention is chamfering, therefore in chamfering 8
Place's thin film 3 can match with ring flange 1, and after inflation, thin film 3 is less with the stress of the junction of ring flange 1, can prevent from filling
Gas rear film 3 is torn from ring flange 1.In a kind of present invention preferred embodiment as shown in Figure 3, chamfering 8 and ring flange end
The angle in face is 4 ° -6 °.
In one preferred embodiment of the invention, vacuum tank 2 is annular groove.
In one preferred embodiment of the invention, the longitudinal section of vacuum tank 2 is isosceles trapezoid or rectangle.
In actually used, vacuum tank is connected with vacuum hole, and vacuum hole is arranged on ring flange 1, and vacuum hole is connected with vacuum
Pipe, vacuum tube are connected with the vaccum-pumping equipment of outside, carry out evacuation to vacuum tank, to improve sealing effectiveness.
In one preferred embodiment of the invention, the side face of the ring flange 1 is provided with stress groove at the chamfering 8
5.The stress groove 5 is annular groove, and the stress groove 5 is with the center of the ring flange 1 as the center of circle, with the vacuum tank 2
It is distributed in concentric circular.
In one preferred embodiment of the invention, as shown in figure 3, on the ring flange back to the vacuum tank side
At least one circle raised 9 is provided with, local gas enclosure can be prevented, it is ensured that sealing effectiveness, such as but not limited to, it is raised that two circles can be set
9, inner corrugated pipe and outward corrugated tube 10 are welded on respectively accordingly on raised 9, to improve welding quality.
In the various embodiments described above of the present invention, the sequence number of embodiment and/or sequencing are merely convenient of description, do not represent reality
Apply the quality of example.Description to each embodiment all emphasizes particularly on different fields, and does not have the part described in detail, may refer to which in certain embodiment
The associated description of his embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, key element, step or component when using herein, but and
It is not excluded for the presence of one or more further features, key element, step or component or additional.
Finally it should be noted that：Although the present invention and its advantage has below been described in detail it should be appreciated that not
Can carry out in the case of the spirit and scope of the present invention being defined by the claims appended hereto various changes, replacement and
Conversion.And, the scope of the present invention is not limited only to the concrete reality of the process described by description, equipment, means, method and steps
Apply example.One of ordinary skilled in the art will readily appreciate that from the disclosure, can be used according to the present invention and be held
The row function essentially identical to corresponding embodiment described herein obtains result, the existing and future essentially identical with which
Process to be developed, equipment, means, method or step.Therefore, appended claim is directed at wrapping in the range of them
Include such process, equipment, means, method or step.
Claims (8)
1. a kind of thin film flange, it is characterised in that include：Ring flange, vacuum tank, the thin film of ring-type and air inlet, wherein：
Ring flange described in the air inlet insertion, the vacuum tank are located at the end face of the ring flange；
The thin film is welded and fixed with the ring flange, and the thin film is falling for certain angle with the junction of the ring flange
Angle, at the chamfering, thin film is matched with ring flange；
The thin film is covered in above the air inlet.
2. thin film flange according to claim 1, it is characterised in that：
The vacuum tank is annular groove.
3. thin film flange according to claim 1, it is characterised in that：
Two air inlets are provided with the ring flange；And air inlet described in two is placed in the both sides of the vacuum tank.
4. the thin film flange according to any one of claim 1-3, it is characterised in that：
The longitudinal section of the vacuum tank is isosceles trapezoid or rectangle.
5. thin film flange according to claim 1, it is characterised in that：
The chamfering is 4 ° -6 ° with the angle of the flange side surface.
6. thin film flange according to claim 3, it is characterised in that：
The side face of the ring flange is provided with stress groove at the chamfering；
The stress groove is annular groove, and the stress groove with the center of the ring flange as the center of circle with the vacuum tank is in
Concentric circular is distributed.
7. thin film flange according to claim 6, it is characterised in that：
The vacuum tank is connected with vacuum hole, and the vacuum hole is connected with vacuum tube.
8. the thin film flange according to any one of claim 1-3, it is characterised in that：
Side on the ring flange back to the vacuum tank is provided with least one circle projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095096.9A CN104728543B (en) | 2015-03-03 | 2015-03-03 | Film flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095096.9A CN104728543B (en) | 2015-03-03 | 2015-03-03 | Film flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728543A CN104728543A (en) | 2015-06-24 |
| CN104728543B true CN104728543B (en) | 2017-03-22 |
Family
ID=53452726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510095096.9A Expired - Fee Related CN104728543B (en) | 2015-03-03 | 2015-03-03 | Film flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728543B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139115A (en) * | 1963-03-18 | 1964-06-30 | Dore Co John L | Lined vacuum bellows |
| CN203131012U (en) * | 2013-01-31 | 2013-08-14 | 营口希泰精密焊接科技有限公司 | Air inflation type high-precision welded corrugated pipe |
| CN203453678U (en) * | 2013-09-06 | 2014-02-26 | 营口希泰精密焊接科技有限公司 | Welded corrugated pipe special for freezing and drying device |
| CN204477557U (en) * | 2015-03-03 | 2015-07-15 | 东莞中子科学中心 | Film flange |
-
2015
- 2015-03-03 CN CN201510095096.9A patent/CN104728543B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104728543A (en) | 2015-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9068673B2 (en) | Sump wall penetration fitting | |
| CN104728543B (en) | Film flange | |
| JP6257001B2 (en) | Back shield device for pipe welding | |
| CN104728537B (en) | Puffer-type bellows arrangement | |
| CN104728538B (en) | Puffer-type bellows | |
| US20190040991A1 (en) | Heat-shrinkable tube covering | |
| CN204477557U (en) | Film flange | |
| KR102488765B1 (en) | System and method for controlling distortion of hot-tap fittings of pipelines and welding thick and long seams without post-welding heat treatment | |
| CN107504296A (en) | A kind of Petroleum Pipehead of good seal performance | |
| CN204477542U (en) | Gas type bellows arrangement | |
| JPH10332073A (en) | Repairing method of gas flow pipe | |
| CN206036458U (en) | Sealing flange | |
| CN206711615U (en) | A kind of novel pipeline gamma-ray detecting special protecting device | |
| CN207318024U (en) | Helium inspection seal box after a kind of tube-tube plate test block plugging | |
| JPH0914573A (en) | Corrosion preventing method for joint of steel pipe | |
| CN210677464U (en) | Ball plug for engineering | |
| JPS631549Y2 (en) | ||
| JPH0144227Y2 (en) | ||
| JPS617066A (en) | Intermediate welding method in piping | |
| CN105890848B (en) | Bilge well coating process | |
| JP2002071068A (en) | Method and structure for joint | |
| CN106964915A (en) | A kind of pipe fitting sealing device | |
| CN106494747A (en) | A kind of recyclable end socket cloth of pressure release type | |
| CN206802567U (en) | A kind of insulated compound flexible pipe | |
| CN207145839U (en) | A kind of sewage lifter for facilitating pipeline to connect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20210303 |