CN112824729B - Film sealing member, optical path sealing device and sealing method thereof - Google Patents
Film sealing member, optical path sealing device and sealing method thereof Download PDFInfo
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- CN112824729B CN112824729B CN201911142041.3A CN201911142041A CN112824729B CN 112824729 B CN112824729 B CN 112824729B CN 201911142041 A CN201911142041 A CN 201911142041A CN 112824729 B CN112824729 B CN 112824729B
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- 238000007789 sealing Methods 0.000 title claims abstract description 228
- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000013013 elastic material Substances 0.000 claims abstract description 9
- 238000010030 laminating Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 50
- 230000000694 effects Effects 0.000 description 18
- 239000000428 dust Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 4
- 235000011613 Pinus brutia Nutrition 0.000 description 4
- 241000018646 Pinus brutia Species 0.000 description 4
- 230000009699 differential effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/1017—Joints with sleeve or socket
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- 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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/1021—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations comprising an intermediate resilient element, e.g. a ring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a film sealing element which is used for connecting a first sealing pipeline and a second sealing pipeline in a sealing way; comprises a fixed section fixedly connected with the first sealed pipeline, a joint section sleeved on the second sealed pipeline and a connecting section connecting the fixed section and the joint section; the connecting section is positioned in the fixed section and bends back towards one end of the fixed section, which is far away from the connecting section; the inner diameter of the joint section is smaller than the outer diameter of the second sealing pipeline; the film sealing element is integrally formed by elastic materials; the light path sealing device comprises a first sealing pipeline, a second sealing pipeline and a film sealing element, wherein the pipe diameter of the first sealing pipeline is larger than that of the second sealing pipeline; a sealing method of the optical path sealing device is also provided. After the pipeline is inflated and pressurized, the air pressure inside the pipeline is larger than the air pressure outside the pipeline, and the attaching section is tightly pressed on the second sealing pipeline under the action of pressure difference, so that the sealing performance of the light path sealing device is enhanced; and the angle of the second sealing pipeline can be adjusted.
Description
Technical Field
The invention belongs to the technical field of light path sealing of laser processing, and particularly relates to a film sealing element, a light path sealing device and a sealing method thereof.
Background
The laser has good space controllability and time controllability, so that the laser has great freedom on the material, shape, size and processing environment of a processing object, and is particularly suitable for automatic processing. However, in the laser processing process, the laser light path is easily interfered by dust or impurities in the air, so that the light path is changed, and the processing quality is affected. In the prior art, a sealed pipeline is additionally arranged on an optical path, and laser passes through the sealed pipeline so as to be isolated from the outside; meanwhile, the air is filled into the sealed pipeline, so that not only can dust particles in the sealed pipeline be blown away, but also pressure difference can be formed between the inside and the outside of the pipe, and the pressure in the pipe is higher than that outside the pipe, so that dust is not easy to enter the pipe. The existing pipeline connection generally adopts bolt connection, but still has the following problems: 1. the leakproofness is poor, leaks gas easily, 2, adopt bolted connection can't change the pipeline angle, can only play sealed effect between two parallel planes, if two planes that need connect are nonparallel, then the gap appears in pipe connection easily.
Disclosure of Invention
The invention aims to provide a film sealing element to solve the technical problems that a laser light path sealing pipeline in the prior art is poor in sealing performance and cannot be adjusted in angle.
In order to achieve the purpose, the invention adopts the technical scheme that: providing a membrane seal for sealingly connecting a first sealed conduit and a second sealed conduit; the first sealing pipeline is fixedly connected with the second sealing pipeline, and the second sealing pipeline is sleeved with the first sealing pipeline; the connecting section is positioned in the fixed section and is bent back towards one end of the fixed section, which is far away from the connecting section; the inner diameter of the joint section is smaller than the outer diameter of the second sealing pipeline; the film seal is integrally formed of an elastomeric material.
Further, the connecting section is in smooth transition with the fixing section and the attaching section respectively.
Furthermore, the connecting section comprises a first curved section connected with the fixing section and a second curved section connected with the attaching section, and the first curved section is smoothly connected with the second curved section;
the inner surface of the first curved surface section is in transition connection with the outer surface of the fixed section through a fillet, and the outer surface of the first curved surface section is in transition connection with the inner surface of the fixed section through a fillet.
Further, the thickness of the connecting section is not more than that of the fixing section; the thickness of the connecting section is gradually reduced from the first curved surface section to the second curved surface section.
Further, the thickness of laminating section is not more than the thickness of linkage segment, the thickness of laminating section is followed the laminating section is close to the one end of linkage segment is toward the one end of laminating section is kept away from the one end of linkage segment reduces gradually.
The film sealing element provided by the invention has the beneficial effects that: compared with the prior art, one end of the second sealing pipeline penetrates through the attaching section and is arranged in the first sealing pipeline in a penetrating mode, and the second sealing pipeline is in interference fit with the attaching section, so that the sealing effect is achieved, and external dust particles can be prevented from entering the pipeline; after inflating the pressurization in to first sealed pipeline and the second sealed pipeline, because the inside atmospheric pressure of pipeline is greater than the outside atmospheric pressure of pipeline, make the inner wall of laminating section more hug closely in the outer wall of the sealed pipeline of second under the pressure differential effect, further strengthen the sealed effect between film seal spare and the sealed pipeline of second, also can prevent that the sealed pipeline of second from producing the pine and fall, play better dustproof effect. Meanwhile, the film sealing element is made of elastic materials, the film sealing element is flexibly connected with the second sealing pipeline, the angle of the second sealing pipeline can be adjusted, and the application range of the film sealing element is wider.
The second purpose of the present invention is to provide an optical path sealing device to solve the technical problems of poor sealing performance and unable angle adjustment of the laser optical path sealing pipeline in the prior art.
In order to realize the purpose, the invention adopts the technical scheme that: there is provided an optical path sealing device, comprising two sealing pipes,
the two sealing pipelines are a first sealing pipeline and a second sealing pipeline with unequal pipe diameters, the pipe diameter of the first sealing pipeline is larger than that of the second sealing pipeline, the light path sealing device further comprises a film sealing element according to any one of the above technical schemes, and the first sealing pipeline and the second sealing pipeline are in sealing connection through the film sealing element; or
The two sealing pipelines are first sealing pipelines with the same pipe diameter, and the light path sealing device further comprises a second sealing pipeline and two film sealing elements according to any one of the technical schemes; the pipe diameter of the second sealed pipeline is smaller than that of the first sealed pipeline, and two ends of the second sealed pipeline are connected with the first sealed pipeline in a sealing mode through the film sealing pieces respectively.
The light path sealing device provided by the invention has the beneficial effects that: compared with the prior art, one end of the second sealing pipeline penetrates through the attaching section and is arranged in the first sealing pipeline in a penetrating mode, and the second sealing pipeline is in interference fit with the attaching section, so that the sealing effect is achieved, and external dust particles can be prevented from entering the pipeline; after inflating the pressurization in to first sealed pipeline and the second sealed pipeline, because the inside atmospheric pressure of pipeline is greater than the outside atmospheric pressure of pipeline, make the inner wall of laminating section more hug closely in the outer wall of the sealed pipeline of second under the pressure differential effect, further strengthen the sealed effect between film seal spare and the sealed pipeline of second, also can prevent that the sealed pipeline of second from producing the pine and fall, play better dustproof effect. Meanwhile, the film sealing element is made of elastic materials, the film sealing element is flexibly connected with the second sealing pipeline, the angle of the second sealing pipeline can be adjusted, and the application range of the film sealing element is wider.
The invention also aims to provide a sealing method of the optical path sealing device, which aims to solve the technical problems that the laser optical path sealing pipeline in the prior art is poor in sealing performance and cannot be adjusted in angle.
In order to realize the purpose, the invention adopts the technical scheme that: a sealing method of an optical path sealing device is provided, which comprises the following steps:
a fixed section fixedly connecting the first sealing pipe and the film sealing element;
one end of the second sealing pipeline penetrates through the attaching section of the film sealing element and is inserted into the first sealing pipeline; the second sealing pipeline is in interference fit with the attaching section;
and finally, inflating and pressurizing the first sealed pipeline to ensure that the air pressure in the connected first sealed pipeline and the second sealed pipeline is higher than the external air pressure.
The sealing method of the optical path sealing device provided by the invention has the beneficial effects that: compared with the prior art, the first sealing pipeline is connected with the second sealing pipeline in a sealing mode through the film sealing element, and one end of the second sealing pipeline penetrates through the attaching section and is inserted into the first sealing pipeline; the mounting process is simple, the disassembly, the assembly and the maintenance are convenient, a connecting structure does not need to be processed on the first sealing pipeline and the second sealing pipeline, the increase of leakage points is avoided, and the sealing performance is improved; then, the first sealed pipeline and the second sealed pipeline are inflated and pressurized, and the air pressure inside the pipelines is larger than the air pressure outside the pipelines, so that the attaching section is tightly pressed on the second sealed pipeline under the action of pressure difference, the sealing effect is further enhanced, air leakage caused by looseness after the pipeline is used for a period of time is prevented, and the poor sealing performance of threaded connection in the prior art is avoided; the process is simpler, the operation is convenient, and the sealing performance is stronger. Simultaneously, the film sealing element is made of elastic materials, the film sealing element is flexibly connected with the second sealing pipeline, the connection angle of the first sealing pipeline and the second sealing pipeline can be adjusted, and the application range of the film sealing element is wider.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic cross-sectional structural diagram of an optical path sealing device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structural diagram of an optical path sealing apparatus according to another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1. a first sealed conduit; 2. a second sealed conduit;
3. a film seal; 31. a fixed section; 32. a bonding section;
33. a connecting section; 331. a first curved surface section; 332. a second curved surface section.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "thickness," "left," "right," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience in describing the invention and simplifying the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" 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 specifically defined otherwise.
Referring to fig. 1 and 2, the film seal according to the present invention will now be described. The film sealing element is used for connecting the first sealing pipeline 1 and the second sealing pipeline 2 in a sealing way; comprises a fixed section 31 fixedly connected with the first sealed pipeline 1, a joint section 32 sleeved on the second sealed pipeline 2 and a connecting section 33 connecting the fixed section 31 and the joint section 32; the connecting section 33 is located in the fixing section 31 and is bent back towards one end of the fixing section 31 far away from the connecting section 33; the inner diameter of the attaching section 32 is smaller than the outer diameter of the second sealing pipe 2; the membrane seal 3 is integrally formed of an elastic material.
Compared with the prior art, one end of the second sealing pipeline 2 penetrates through the attaching section 32 and penetrates into the first sealing pipeline 1, and the second sealing pipeline 2 is in interference fit with the attaching section 32, so that the sealing effect is achieved, and external dust particles can be prevented from entering the pipeline; after inflating the pressurization in to first sealed pipeline 1 and second sealed pipeline 2, because the inside atmospheric pressure of pipeline is greater than the outside atmospheric pressure of pipeline, make the inner wall of laminating section 32 more hug closely in the outer wall of second sealed pipeline 2 under the pressure differential effect, further strengthen the sealed effect between film seal 3 and second sealed pipeline 2, also can prevent that second sealed pipeline 2 from producing the pine and falling, play better dustproof effect. Simultaneously, the film sealing element 3 is made of an elastic material, so that the film sealing element 3 is flexibly connected with the second sealing pipeline 2, the angle of the second sealing pipeline 2 can be adjusted, and the application range of the film sealing element 3 is wider.
Preferably, the connecting section 33 smoothly transitions with the fixing section 31 and the attaching section 32 respectively; the film sealing element 3 is prevented from cracking due to stress concentration caused by abrupt transition, and the pipeline or an operator can be prevented from being scratched.
Further, referring to fig. 1 and fig. 2, as an embodiment of the film sealing element according to the present invention, the connecting section 33 includes a first curved section 331 connected to the fixing section 31 and a second curved section 332 connected to the attaching section 32, and the first curved section 331 and the second curved section 332 are smoothly connected;
the inner surface of the first curved surface section 331 and the outer surface of the fixed section 31 are connected by a fillet transition, and the outer surface of the first curved surface section 331 and the inner surface of the fixed section 31 are connected by a fillet transition; the fillet connection is adopted, so that the transition between the connecting section 33 and the fixed section 31 is smoother and smoother, and the fracture is avoided; the connecting section 33 has an integral curved surface structure, so that the moving space of the second sealing pipeline 2 at the connecting part of the second sealing pipeline and the film sealing element 3 is enlarged, and the angle adjusting range of the second sealing pipeline 2 is enlarged.
Further, referring to fig. 1 and fig. 2, as an embodiment of the film sealing element provided by the present invention, the thickness of the connecting segment 33 is not greater than the thickness of the fixing segment 31; the thickness of the connecting section 33 gradually decreases from the first curved section 331 to the second curved section 332; making the second sealing duct 2 more susceptible to angle changes at its connection with the membrane seal 3 also reduces the effect of the angle changes of the second sealing duct 2 on the deformation of the membrane seal 3.
Further, referring to fig. 1 and fig. 2 together, as an embodiment of the film sealing element provided by the present invention, the thickness of the attaching section 32 is not greater than the thickness of the connecting section 33, and the thickness of the attaching section 32 gradually decreases from the end of the attaching section 32 close to the connecting section 33 to the end of the attaching section 32 far from the connecting section 33; the fitting section 32 can be tightly attached to the second sealing pipeline 2 only by small pressure difference, so that the pressure difference between the inside and the outside of the pipeline can be reduced, the damage to the first sealing pipeline 1, the second sealing pipeline 2 and the film sealing element 3 is reduced, and the safety performance is improved; the deformation influence on the film sealing element 3 caused by the angle change of the second sealing pipeline 2 can be reduced, so that the attaching section 32 is always attached to the second sealing pipeline 2, and the sealing effect is prevented from being influenced by gaps.
Referring to fig. 1 and fig. 2, the present invention also provides an optical path sealing device, which includes two sealing pipes,
the two sealed pipelines are a first sealed pipeline 1 and a second sealed pipeline 2 with unequal pipe diameters, the pipe diameter of the first sealed pipeline 1 is larger than that of the second sealed pipeline 2, the light path sealing device further comprises a film sealing element 3 according to any one of the embodiments, and the first sealed pipeline 1 and the second sealed pipeline 2 are connected in a sealing mode through the film sealing element 3; or
The two sealed pipelines are set to be a first sealed pipeline 1 with the same pipe diameter, and the light path sealing device further comprises a second sealed pipeline 2 and two film sealing elements 3 according to any one of the embodiments; the pipe diameter of the second sealed pipeline 2 is smaller than that of the first sealed pipeline 1, and two ends of the second sealed pipeline 2 are connected with the two first sealed pipelines 1 in a sealing mode through the film sealing parts 3 respectively.
Compared with the prior art, one end of the second sealing pipeline 2 penetrates through the attaching section 32 and penetrates into the first sealing pipeline 1, and the second sealing pipeline 2 is in interference fit with the attaching section 32, so that the sealing effect is achieved, and external dust particles can be prevented from entering the pipeline; after inflating the pressurization in to first sealed pipeline 1 and the second sealed pipeline 2, because the inside atmospheric pressure of pipeline is greater than the outside atmospheric pressure of pipeline, make the inner wall of laminating section 32 more hug closely in the outer wall of second sealed pipeline 2 under the pressure differential effect, further strengthen the sealed effect between film seal spare 3 and the second sealed pipeline 2, also can prevent that second sealed pipeline 2 from producing the pine and fall, play better dustproof effect. Simultaneously, the film sealing element 3 is made of elastic materials, the film sealing element 3 is flexibly connected with the second sealing pipeline 2, the angle of the second sealing pipeline 2 can be adjusted, and the application range of the film sealing element 3 is wider.
Referring to fig. 1 and fig. 2, the present invention further provides a sealing method of an optical path sealing apparatus, including the following steps:
a fixing section 31 fixedly connecting the first sealing pipe 1 and the film sealing member 3;
one end of the second sealing pipeline 2 is arranged in the joint section 32 of the film sealing element 3 in a penetrating mode and is inserted into the first sealing pipeline 1; the second sealing pipeline 2 is in interference fit with the fitting section 32;
and finally, inflating and pressurizing the first sealed pipeline 1 to ensure that the air pressure in the connected first sealed pipeline 1 and the second sealed pipeline 2 is higher than the external air pressure.
Compared with the prior art, the sealing method of the light path sealing device provided by the invention has the advantages that the first sealing pipeline 1 is connected with the second sealing pipeline 2 in a sealing way through the film sealing element 3, and one end of the second sealing pipeline 2 penetrates through the attaching section 32 and is inserted into the first sealing pipeline 1; the mounting process is simple, the disassembly and the maintenance are convenient, a connecting structure does not need to be processed on the first sealing pipeline 1 and the second sealing pipeline 2, the increase of leakage points is avoided, and the sealing performance is improved; then, the first sealed pipeline 1 and the second sealed pipeline 2 are inflated and pressurized, and the air pressure inside the pipelines is larger than the air pressure outside the pipelines, so that the attaching section 32 is tightly pressed on the second sealed pipeline 2 under the action of pressure difference, the sealing effect is further enhanced, air leakage caused by looseness after the pipelines are used for a period of time is prevented, and the poor sealing performance of threaded connection in the prior art is avoided; the process is simpler, the operation is convenient, and the sealing performance is stronger. Simultaneously, the film sealing element 3 is made of elastic materials, the film sealing element 3 is flexibly connected with the second sealing pipeline 2, the connection angle of the first sealing pipeline 1 and the second sealing pipeline 2 can be adjusted, and the application range of the film sealing element 3 is wider.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A membrane seal, characterized by: the first sealing pipeline and the second sealing pipeline are connected in a sealing mode; the first sealing pipeline is fixedly connected with the second sealing pipeline, and the second sealing pipeline is sleeved with the first sealing pipeline; the connecting section is positioned in the fixed section and is bent back towards one end of the fixed section, which is far away from the connecting section; the inner diameter of the joint section is smaller than the outer diameter of the second sealing pipeline; the film sealing element is integrally formed by elastic materials;
the connecting section comprises a first curved surface section connected with the fixing section and a second curved surface section connected with the attaching section; the thickness of the connecting section gradually decreases from the first curved surface section to the second curved surface section.
2. The membrane seal of claim 1 wherein: the connecting section is in smooth transition with the fixing section and the attaching section respectively.
3. The membrane seal of claim 2 wherein: the first curved surface section is smoothly connected with the second curved surface section;
the inner surface of the first curved surface section is in transition connection with the outer surface of the fixed section through a round angle, and the outer surface of the first curved surface section is in transition connection with the inner surface of the fixed section through a round angle.
4. The membrane seal of claim 3 wherein: the thickness of the connecting section is not larger than that of the fixing section.
5. The membrane seal of claim 4 wherein: the thickness of laminating section is not more than the thickness of linkage segment, the thickness of laminating section is followed the laminating section is close to the one end of linkage segment is toward keeping away from of laminating section the one end of linkage segment reduces gradually.
6. An optical path sealing device, comprising two sealing pipes, characterized in that: the two sealed pipelines are a first sealed pipeline and a second sealed pipeline with unequal pipe diameters, the pipe diameter of the first sealed pipeline is larger than that of the second sealed pipeline, the light path sealing device further comprises a film sealing element according to any one of claims 1-5, and the first sealed pipeline and the second sealed pipeline are connected in a sealing mode through the film sealing element; or
The two sealing pipelines are set as first sealing pipelines with equal pipe diameters, and the light path sealing device further comprises a second sealing pipeline and two film sealing elements according to any one of claims 1 to 5; the pipe diameter of the second sealing pipeline is smaller than that of the first sealing pipeline, and two ends of the second sealing pipeline are connected with the two first sealing pipelines in a sealing mode through the film sealing pieces respectively.
7. A sealing method of an optical path sealing device, characterized by: the optical path sealing device applicable to the optical path sealing device of claim 6 comprises the following steps:
a fixed section fixedly connecting the first sealing pipeline and the film sealing element;
one end of the second sealing pipeline penetrates through the attaching section of the film sealing element and is inserted into the first sealing pipeline; the second sealing pipeline is in interference fit with the attaching section;
and finally, inflating and pressurizing the first sealed pipeline to ensure that the air pressure in the connected first sealed pipeline and the second sealed pipeline is higher than the external air pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142041.3A CN112824729B (en) | 2019-11-20 | 2019-11-20 | Film sealing member, optical path sealing device and sealing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142041.3A CN112824729B (en) | 2019-11-20 | 2019-11-20 | Film sealing member, optical path sealing device and sealing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112824729A CN112824729A (en) | 2021-05-21 |
| CN112824729B true CN112824729B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911142041.3A Active CN112824729B (en) | 2019-11-20 | 2019-11-20 | Film sealing member, optical path sealing device and sealing method thereof |
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| CN (1) | CN112824729B (en) |
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|---|---|---|---|---|
| US2470883A (en) * | 1939-01-27 | 1949-05-24 | Cie De Pont A Mousson | Pipe connection and packing ring therefor |
| CH362891A (en) * | 1957-10-29 | 1962-06-30 | Durit Werke Kern & Co | Socket seal |
| FR2282595A1 (en) * | 1974-08-05 | 1976-03-19 | Armosig | Pipe elbow joint for range of angles - has oval entry shape combined with flexible seal to permit skew assembly |
| CN205333898U (en) * | 2015-12-29 | 2016-06-22 | 深圳市海维光电科技有限公司 | Quick detachable light path sealed tube subassembly |
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| CH623644A5 (en) * | 1976-04-05 | 1981-06-15 | Wolf Woco & Co Franz J | Sealing ring for a pipe plug-in connection |
| US4121861A (en) * | 1977-04-29 | 1978-10-24 | Lord Corporation | Flexible sealing joint |
| FR2578020B1 (en) * | 1985-02-27 | 1987-07-17 | Sedis Transmissions Mec | SEAL BETWEEN TWO HOUSINGS CONNECTED BY TWO HOLES CAPABLE OF BEING SHIFTED AXIAL AND / OR RADIALLY |
| CN2261535Y (en) * | 1996-09-23 | 1997-09-03 | 孙廷容 | Multiple contact-strip variable sealor |
| CN2387365Y (en) * | 1998-01-08 | 2000-07-12 | 张玉阁 | Hook-type rigid/flexible non-leakage pipe joint |
| CN201281479Y (en) * | 2008-09-17 | 2009-07-29 | 云南一通太阳能科技有限公司 | Flexible connecting sleeve between solar heat collector circulation pipes |
| CN101974752A (en) * | 2010-11-17 | 2011-02-16 | 天津大族烨峤激光技术有限公司 | Inner hole cladding head with adjustable length |
| CN204533898U (en) * | 2015-02-13 | 2015-08-05 | 北钢管业（营口）有限公司 | A kind of welded tube socket joint linkage structure |
| US20160341344A1 (en) * | 2015-05-20 | 2016-11-24 | Mcwane, Inc. | High deflection unrestrained pipe joint |
| CN205877510U (en) * | 2016-06-27 | 2017-01-11 | 永嘉县特富隆防腐设备有限公司 | Two -way skew tetrafluoro ball and socket joint in right angle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2470883A (en) * | 1939-01-27 | 1949-05-24 | Cie De Pont A Mousson | Pipe connection and packing ring therefor |
| CH362891A (en) * | 1957-10-29 | 1962-06-30 | Durit Werke Kern & Co | Socket seal |
| FR2282595A1 (en) * | 1974-08-05 | 1976-03-19 | Armosig | Pipe elbow joint for range of angles - has oval entry shape combined with flexible seal to permit skew assembly |
| CN205333898U (en) * | 2015-12-29 | 2016-06-22 | 深圳市海维光电科技有限公司 | Quick detachable light path sealed tube subassembly |
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|---|---|
| CN112824729A (en) | 2021-05-21 |
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Address after: 518000, Building 101, 1st floor, 2nd floor, 4th floor, 3rd floor, 7th floor, 1st floor, and 4th floor of Building 3, Dahua Laser Intelligent Manufacturing Center, No. 12 Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's CNC Technology Co.,Ltd. Country or region after: China Address before: 518101 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Han's CNC Technology Co.,Ltd. Country or region before: China |
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