CN214466853U - Ultrahigh vacuum flange sealing connection device - Google Patents
Ultrahigh vacuum flange sealing connection device Download PDFInfo
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- CN214466853U CN214466853U CN202120230746.7U CN202120230746U CN214466853U CN 214466853 U CN214466853 U CN 214466853U CN 202120230746 U CN202120230746 U CN 202120230746U CN 214466853 U CN214466853 U CN 214466853U
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Abstract
The utility model discloses an ultrahigh vacuum flange sealing connecting device, including first butt joint pipe and second butt joint pipe. Has the advantages that: the utility model discloses an interpolation ring, in insert the ring, insert the ring outward, the inner ring groove, well annular and outer annular, after installing, the inner rubber pad rebound produces thrust, the whole backward extrusion outer rubber pad of well board in the promotion, the extrusion is even, avoid appearing the problem of local deformation that the extrusion is unbalanced and appears, thereby sealing performance has been improved, use under the ultrahigh vacuum state of being convenient for, the interpolation ring inserts in the inner ring groove, the well insert in the zhonghuan groove, outer insert in the outer annular, play triple sealed effect, sealing performance has further been improved, reduce gas leakage, outer rubber pad and inner rubber pad all are located the inner ring groove, zhonghuan groove and outer annular, the inner ring groove, well annular and outer annular limit the plane deformation of outer rubber pad and inner rubber pad, thereby avoid outer rubber pad and inner rubber pad to warp and produce the phenomenon of gas leakage.
Description
Technical Field
The utility model relates to a flange seal connects technical field, particularly, relates to an ultrahigh vacuum flange seal connecting device.
Background
Flanges, also called flange plates or flanges, are parts for interconnecting pipes and pipes, are used for connecting pipe ends, are used for connecting inlet and outlet of equipment, are used for connecting two pieces of equipment, such as reducer flanges, flange connections or flange joints, are detachable connections which are formed by connecting flanges, gaskets and bolts to form a combined sealing structure, are used for connecting pipelines and pipes in a pipeline device, are used for connecting inlet and outlet flanges of the equipment on the equipment, are provided with holes, the two flanges are tightly connected through bolts, are sealed through gaskets between the flanges, are in threaded connection (threaded connection) with the flanges, welding flanges and clamping flanges, are used in pairs, low-pressure pipelines can use threaded flanges, welding flanges with pressure of more than four kilograms are used, sealing gaskets are added between the two flange plates and then are fastened through the bolts, the flanges of different pressures have different thicknesses and they use different bolts.
Traditional flange gasket is the rubber material, when receiving high pressure effect, the gasket of rubber material is out of shape in the plane easily takes place, thereby lead to the leakage, and simultaneously, traditional flange gasket sets up for the individual layer, the gas tightness can further be improved, in addition, when bolted connection, pressure around the bolt is great, and the pressure of keeping away from the bolt position is little, it is also inhomogeneous to have led to the flange gasket atress, also produce the leakage easily, in addition, traditional flange adopts the bolt to connect, the installation is comparatively troublesome, inconvenient ann tears open, also can further make the improvement.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an ultrahigh vacuum flange seal connecting device possesses sealed effectual, the ann advantage of tearing open of being convenient for, and then solves the problem among the above-mentioned background art.
(II) technical scheme
For realizing the above-mentioned sealed effectual, the ann advantage of tearing open of being convenient for, the utility model discloses a concrete technical scheme as follows:
the utility model provides an ultrahigh vacuum flange sealing connecting device, includes first butt joint pipe and second butt joint pipe, first butt joint pipe one end welding has the ring flange, and has the ring channel, well annular and outer annular groove in proper order welded from inside to outside in the ring flange bottom surface to the inner ring channel, well annular and outer annular inslot top surface all paste and have the inner rubber pad, second butt joint pipe one end welding has the lower flange dish, and the lower flange dish top surface corresponds inner ring channel, well annular and outer annular groove bottom surface opening position respectively and has welded interpolation ring, well interpolation ring and outer insert ring, the inner rubber pad bottom surface is pasted and is had the median plate, and the median plate bottom surface is pasted and is had outer rubber pad.
Furthermore, cutting planes are arranged on the edges of the outer walls of the upper flange plate and the lower flange plate, the surface of the cutting plane on the surface of the upper flange plate is fixedly connected with a lock catch hook, and the surface of the cutting plane on the surface of the lower flange plate is fixedly provided with a spring lock catch.
Furthermore, the inner insert ring, the middle insert ring and the outer insert ring are in interference fit with the inner walls of the inner ring groove, the middle ring groove and the outer ring groove respectively, and the materials of the inner insert ring, the middle insert ring and the outer insert ring are the same as those of the lower flange plate.
Further, the outer rubber pad is in interference fit with the inner ring groove, the middle ring groove and the outer ring groove respectively, and the middle-arranged plate is in interference fit with the inner ring groove, the middle ring groove and the outer ring groove respectively.
Furthermore, the cross section of the inner rubber pad is the same as the cross sections of the inner ring groove, the middle ring groove and the outer ring groove.
Furthermore, a plurality of cutting planes are arranged at equal angles, and the cutting planes are vertical to the horizontal plane.
(III) advantageous effects
Compared with the prior art, the utility model provides an ultrahigh vacuum flange sealing connecting device possesses following beneficial effect:
(1) the utility model discloses an interpolation ring, in insert the ring, insert the ring outward, interior annular groove, well annular groove and outer annular groove, in going on the in-process of ring flange and lower ring flange butt joint, be located the interpolation ring on lower ring flange surface, well interpolation ring and outer insertion ring insert the inner annular groove respectively, well annular groove and outer annular inslot portion, the outer rubber pad of extrusion promotes and puts the board extrusion inner rubber pad in, after the installation, the inner rubber pad is rebounded and is produced thrust, put the whole backward extrusion outer rubber pad of board in the promotion, the extrusion is even, avoid appearing the problem of local deformation that the extrusion is unbalanced and appears, thereby sealing performance has been improved, be convenient for use under the super high vacuum state, interpolation ring inserts in the inner annular groove, well interpolation ring inserts in the well annular groove, outer insertion ring inserts in the outer annular groove, play triple seal's effect, sealing performance has further been improved, gas leakage is reduced, outer rubber pad and interior rubber pad all are located the inner annular groove, In the middle ring groove and the outer ring groove, the plane deformation of the outer rubber pad and the plane deformation of the inner rubber pad are limited by the inner ring groove, the middle ring groove and the outer ring groove, so that the phenomenon of air leakage caused by the deformation of the outer rubber pad and the inner rubber pad is avoided, and the sealing performance is further improved.
(2) The utility model discloses a spring lock, the cutting plane surface that the hasp couple was seted up at last ring flange outer wall is installed, the cutting plane surface that the ring flange outer wall was seted up under the spring lock installation, be connected through spring lock and hasp couple and fix last ring flange and lower ring flange, it is convenient simple more to operate, the staff's of being convenient for ann tears open, and simultaneously, spring lock and hasp couple can produce pulling force pulling interpolation ring, well interpolation ring and outer insert ring extrusion outer rubber pad when connecting, the gas tightness has further been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an ultra-high vacuum flange sealing connection device provided by the present invention;
fig. 2 is a front view of an ultra-high vacuum flange sealing connection device according to the present invention;
fig. 3 is a schematic structural diagram of the lower flange provided by the present invention.
In the figure:
1. a first docking pipe; 2. an upper flange plate; 3. a latch hook; 4. a spring lock catch; 5. a lower flange plate; 6. a second pair of adapter tubes; 7. an inner insert ring; 8. a middle insert ring; 9. an outer insert ring; 10. an inner ring groove; 11. a middle ring groove; 12. an outer ring groove; 13. an inner rubber pad; 14. a middle-arranged plate; 15. an outer rubber pad; 16. and (6) cutting a plane.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides an ultrahigh vacuum flange seal connecting device.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, an ultra-high vacuum flange sealing connection device according to an embodiment of the present invention includes a first adapter 1 and a second adapter 6, wherein an upper flange 2 is welded to one end of the first adapter 1, an inner ring groove 10, a middle ring groove 11 and an outer ring groove 12 are welded to the bottom surface of the upper flange 2 from inside to outside in sequence, inner rubber pads 13 are adhered to the inner top surfaces of the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, a lower flange 5 is welded to one end of the second adapter 6, an inner insert ring 7, an intermediate insert ring 8 and an outer insert ring 9 are welded to the top surface of the lower flange 5 corresponding to the bottom openings of the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, a middle plate 14 is adhered to the bottom surface of the inner rubber pad 13, an outer rubber pad 15 is adhered to the bottom surface of the lower flange 5, the inner rubber pad 13 and the outer rubber pad 15 are both in a ring shape, in the process of butt joint of the upper flange plate 2 and the lower flange plate 5, the inner inserting ring 7, the middle inserting ring 8 and the outer inserting ring 9 which are positioned on the surface of the lower flange plate 5 are respectively inserted into the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, the outer rubber gasket 15 is extruded to push the middle placing plate 14 to extrude the inner rubber gasket 13, after the installation is finished, the inner rubber gasket 13 rebounds to generate thrust, the middle placing plate 14 is pushed to integrally and reversely extrude the outer rubber gasket 15 uniformly, the problem of local deformation caused by unbalanced extrusion is avoided, the sealing performance is improved, the use under the ultrahigh vacuum state is convenient, the inner inserting ring 7 is inserted into the inner ring groove 10, the middle inserting ring 8 is inserted into the middle ring groove 11, the outer inserting ring 9 is inserted into the outer ring groove 12, the triple sealing effect is achieved, the sealing performance is further improved, air leakage is reduced, the outer rubber gasket 15 and the inner rubber gasket 13 are positioned in the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12 limit the plane deformation of the outer rubber pad 15 and the inner rubber pad 13, thereby avoiding the phenomenon of air leakage caused by the deformation of the outer rubber pad 15 and the inner rubber pad 13 and further improving the sealing performance.
In one embodiment, the edges of the outer walls of the upper flange 2 and the lower flange 5 are provided with cutting planes 16 for facilitating installation of the latch hooks 3 and the spring latches 4, the connection between the latch hooks 3 and the spring latches 4 is a common fixed connection mode, which is not described herein in detail, the cutting planes 16 on the surface of the upper flange 2 are fixedly connected with the latch hooks 3, the cutting planes 16 on the surface of the lower flange 5 are fixedly provided with the spring latches 4, the upper flange 2 and the lower flange 5 are fixed through the connection between the spring latches 4 and the latch hooks 3, the operation is more convenient and simpler, the installation and disassembly of workers are facilitated, and meanwhile, the spring latches 4 and the latch hooks 3 can generate pulling force to pull the inner insert rings 7, the inner insert rings 8 and the outer insert rings 9 to press the outer rubber pads 15, so that the outer rubber pads 15 and the inner rubber pads 13 are always in a compressive deformation state, the airtightness is further improved.
In one embodiment, the inner insert ring 7, the middle insert ring 8 and the outer insert ring 9 are respectively in interference fit with the inner walls of the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, so that gaps are further reduced, and air leakage is reduced, and the inner insert ring 7, the middle insert ring 8 and the outer insert ring 9 are made of the same material as the lower flange 5, so that welding is facilitated.
In one embodiment, the outer rubber pad 15 is respectively in interference fit with the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, and the middle plate 14 is respectively in interference fit with the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, so that gaps are reduced, and air tightness is improved.
In one embodiment, the cross-sectional dimension of the inner rubber pad 13 is the same as the cross-sectional dimensions of the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, so that the generation of gaps is avoided, and the air tightness is further improved.
In one embodiment, the cutting planes 16 are disposed at equal angles, the cutting planes 16 are perpendicular to the horizontal plane, and the number of the cutting planes 16 is 4, 6 or 8, but not limited to the 4 shown in the figure.
The working principle is as follows:
in the process of butt joint of the upper flange plate 2 and the lower flange plate 5, the inner inserting ring 7, the middle inserting ring 8 and the outer inserting ring 9 which are positioned on the surface of the lower flange plate 5 are respectively inserted into the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, the outer rubber gasket 15 is extruded to push the middle placing plate 14 to extrude the inner rubber gasket 13, after the installation is finished, the inner rubber gasket 13 rebounds to generate thrust, the middle placing plate 14 is pushed to integrally and reversely extrude the outer rubber gasket 15 uniformly, the problem of local deformation caused by unbalanced extrusion is avoided, the sealing performance is improved, the use under the ultrahigh vacuum state is convenient, the inner inserting ring 7 is inserted into the inner ring groove 10, the middle inserting ring 8 is inserted into the middle ring groove 11, the outer inserting ring 9 is inserted into the outer ring groove 12, the triple sealing effect is achieved, the sealing performance is further improved, air leakage is reduced, the outer rubber gasket 15 and the inner rubber gasket 13 are positioned in the inner ring groove 10, the middle ring groove 11 and the outer ring groove 12, inner ring groove 10, well ring groove 11 and outer ring groove 12 have restricted the plane of outer rubber pad 15 and inner rubber pad 13 and have warp, thereby avoid outer rubber pad 15 and inner rubber pad 13 to warp and produce the phenomenon of gas leakage, sealing performance has further been improved, and simultaneously, be connected through spring lock 4 and hasp couple 3 and fix last ring flange 2 and lower ring flange 5, it is more convenient and simple to operate, the staff's of being convenient for ann tears down, and simultaneously, spring lock 4 and hasp couple 3 can produce pulling force pulling interpolation ring 7 when connecting, the outer rubber pad 15 of middle insert ring 8 and outer insert ring 9 extrusion, make outer rubber pad 15 and inner rubber pad 13 be in the pressurized deformation state all the time, the gas tightness has further been improved.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An ultrahigh vacuum flange sealing connecting device is characterized by comprising a first butt joint pipe (1) and a second butt joint pipe (6), wherein one end of the first butt joint pipe (1) is welded with an upper flange plate (2), an inner ring groove (10), a middle ring groove (11) and an outer ring groove (12) are welded on the bottom surface of the upper flange plate (2) from inside to outside in sequence, inner rubber pads (13) are adhered to the inner top surfaces of the inner ring groove (10), the middle ring groove (11) and the outer ring groove (12), a lower flange plate (5) is welded at one end of the second butt joint pipe (6), and the top surface of the lower flange plate (5) is respectively welded with an inner insert ring (7), a middle insert ring (8) and an outer insert ring (9) corresponding to the bottom surface openings of the inner ring groove (10), the middle ring groove (11) and the outer ring groove (12), the bottom surface of the inner rubber pad (13) is stuck with a middle-arranged plate (14), and the bottom surface of the middle-arranged plate (14) is stuck with an outer rubber pad (15).
2. The ultrahigh vacuum flange sealing connection device is characterized in that cutting planes (16) are formed at the edges of the outer walls of the upper flange plate (2) and the lower flange plate (5), a lock catch hook (3) is fixedly connected to the surface of the cutting plane (16) on the surface of the upper flange plate (2), and a spring lock catch (4) is fixedly mounted on the surface of the cutting plane (16) on the surface of the lower flange plate (5).
3. An ultra-high vacuum flange sealing connection device according to claim 1, characterized in that the inner insert ring (7), the middle insert ring (8) and the outer insert ring (9) are respectively in interference fit with the inner walls of the inner ring groove (10), the middle ring groove (11) and the outer ring groove (12), and the inner insert ring (7), the middle insert ring (8) and the outer insert ring (9) are made of the same material as the lower flange plate (5).
4. An ultra-high vacuum flange sealing connection device according to claim 1, characterized in that the outer rubber gasket (15) is in interference fit with the inner ring groove (10), the middle ring groove (11) and the outer ring groove (12), respectively, and the middle plate (14) is in interference fit with the inner ring groove (10), the middle ring groove (11) and the outer ring groove (12), respectively.
5. An ultra-high vacuum flange sealing connection device according to claim 1, characterized in that the cross-sectional dimensions of the inner rubber gasket (13) are the same as those of the inner ring groove (10), the middle ring groove (11) and the outer ring groove (12).
6. The ultrahigh vacuum flange sealing connection device according to claim 2, wherein the cutting planes (16) are arranged in a plurality of equal angles, and the cutting planes (16) are perpendicular to a horizontal plane.
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CN202120230746.7U CN214466853U (en) | 2021-01-27 | 2021-01-27 | Ultrahigh vacuum flange sealing connection device |
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CN202120230746.7U CN214466853U (en) | 2021-01-27 | 2021-01-27 | Ultrahigh vacuum flange sealing connection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117268625A (en) * | 2023-09-08 | 2023-12-22 | 苏州新意达仪器科技有限公司 | Manometer connecting piece |
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2021
- 2021-01-27 CN CN202120230746.7U patent/CN214466853U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117268625A (en) * | 2023-09-08 | 2023-12-22 | 苏州新意达仪器科技有限公司 | Manometer connecting piece |
CN117268625B (en) * | 2023-09-08 | 2024-04-12 | 苏州新意达仪器科技有限公司 | Manometer connecting piece |
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