CN212959276U - Quick mounting structure of molecular pump inlet end - Google Patents
Quick mounting structure of molecular pump inlet end Download PDFInfo
- Publication number
- CN212959276U CN212959276U CN202021326898.9U CN202021326898U CN212959276U CN 212959276 U CN212959276 U CN 212959276U CN 202021326898 U CN202021326898 U CN 202021326898U CN 212959276 U CN212959276 U CN 212959276U
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- CN
- China
- Prior art keywords
- extrusion
- molecular pump
- connecting ring
- pipeline
- ring
- 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
- 238000001125 extrusion Methods 0.000 claims abstract description 65
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a quick mounting structure of molecular pump inlet end, include: the molecular pump connecting ring, the pipeline connecting ring, the interval sealing gasket, the extrusion seal cover, the extrusion piece, annular cover, extrusion bolt, the interval sealing gasket be ring shape, the interval sealing gasket sets up between molecular pump connecting ring and pipeline connecting ring, the extrusion seal cover be cylindric, and both ends have inward extension face about the extrusion seal cover, the extrusion seal cover cup joints on molecular pump connecting ring and pipeline connecting ring, annular cover cup joint in the outside of molecular pump connecting ring and pipeline connecting ring junction, the extrusion piece be C type cassette, the extrusion piece is circular-arc, a plurality of extrusion blocks constitute complete ring, the extrusion piece cup joints in the outside of molecular pump connecting ring and pipeline connecting ring junction, extrusion bolt pass through threaded connection and put on the annular cover, and extrusion bolt end withstands the extrusion piece. The utility model has the advantages of simple structure, convenient use, good use effect and the like.
Description
Technical Field
The utility model relates to a molecular pump assembly connecting piece technical field specifically is a quick mounting structure of molecular pump inlet end.
Background
The molecular pump is a vacuum pump which utilizes a rotor rotating at high speed to transmit momentum to gas molecules so as to obtain a directional speed, and then the gas molecules are compressed and driven to an exhaust port and then are pumped away by a front stage; before the work operation of molecular pump, need carry out sealing connection with the inlet end of molecular pump and other pipe fittings, with present technical means, adopt sealing washer and flange to connect mostly, this kind of connected mode, owing to need use bolt and nut, often need the manual work to install fixedly, very inconvenient, and in order to guarantee the leakproofness as far as, need press from both sides two flange pieces with bolt and nut, this will cause certain damage to the flange of connecting, and the specification of flange piece is often when great, just can guarantee the leakproofness, this is great with the flange piece of connecting pipe so that the molecular pump is great, very pleasing to the eye, also occupy the position.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick mounting structure of molecular pump inlet end to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a quick-mount structure of a molecular pump air intake, comprising: the molecular pump connecting ring is an annular sheet, the molecular pump connecting ring is fixedly connected at the air inlet end of the molecular pump, the pipeline connecting ring is an annular sheet, the pipeline connecting ring is fixedly connected at the connecting end of the connecting pipeline, the interval sealing gasket is annular, the interval sealing gasket is arranged between the molecular pump connecting ring and the pipeline connecting ring, the extrusion sealing gasket is cylindrical, the upper end and the lower end of the extrusion sealing gasket are provided with inward extending surfaces, the extrusion sealing gasket is sleeved on the molecular pump connecting ring and the pipeline connecting ring, the annular sleeve is cylindrical, the annular sleeve is sleeved on the outer side of the connecting part of the molecular pump connecting ring and the pipeline connecting ring, the extrusion block is a C-shaped clamping seat, the extrusion block is arc-shaped, and a plurality of extrusion blocks form a complete ring, the extrusion block is sleeved at the outer side of the joint of the molecular pump connecting ring and the pipeline connecting ring, the extrusion bolt is connected to the annular sleeve through threads, and the tail end of the extrusion bolt props against the extrusion block.
Furthermore, the number of the extrusion blocks is at least three, and the number of the extrusion blocks corresponds to the number of the extrusion bolts.
Furthermore, the nut head at the top end of the extrusion bolt is matched with an electric screwdriver.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a quick mounting structure of molecular pump inlet end, be different from traditional connection structure, at first set up the interval between molecular pump go-between and pipe-line connection ring and seal up, then the molecular pump go-between sets up the extrusion seal cover with the pipe-line connection ring junction outside, during the use, the electronic rotation extrusion bolt that sets up of accessible, thereby will extrude the piece inwards, promote the in-process, the extrusion piece of slope mouth extrudees molecular pump go-between and pipe-line connection ring, make both be close to each other, extrude the seal cover on the one hand, thereby seal up, on the other hand extrusion interval is sealed up, thereby seal up, double-deck sealed effectual, and convenient operation, can not cause destruction to connecting portion, the appearance is pleasing to the eye, occupy small.
The utility model has the advantages of simple structure, convenient use, good use effect and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1-molecular pump connection ring; 2-a pipeline connecting ring; 3-a spacer gasket; 4-extruding a sealing sleeve; 5-extruding the block; 6-annular sleeve; 7-extruding the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a fast mounting structure for an air inlet end of a molecular pump, including: the molecular pump connecting ring 1, the pipeline connecting ring 2, the interval sealing gasket 3, the extrusion sealing sleeve 4, the extrusion block 5, the annular sleeve 6 and the extrusion bolt 7, wherein the molecular pump connecting ring 1 is an annular sheet, the molecular pump connecting ring 1 is fixedly connected at the air inlet end of the molecular pump, the pipeline connecting ring 2 is an annular sheet, the pipeline connecting ring 2 is fixedly connected at the connecting end of the connecting pipeline, the interval sealing gasket 3 is annular, the interval sealing gasket 3 is arranged between the molecular pump connecting ring 1 and the pipeline connecting ring 2, the extrusion sealing sleeve 4 is cylindrical, the upper end and the lower end of the extrusion sealing sleeve 4 are provided with inward extending surfaces, the extrusion sealing sleeve 4 is sleeved on the molecular pump connecting ring 1 and the pipeline connecting ring 2, the annular sleeve 6 is cylindrical, the annular sleeve 6 is sleeved at the outer side of the connecting part of the molecular pump connecting ring 1 and the pipeline connecting ring 2, the extrusion block 5 is a C-, the extrusion piece 5 is circular-arc, and a plurality of extrusion pieces 5 constitute complete ring, and extrusion piece 5 cup joints in the outside of molecular pump go-between 1 and pipeline go-between 2 junction, extrusion bolt 7 pass through threaded connection on annular cover 6, and extrusion bolt 7 end withstands extrusion piece 5.
Furthermore, the number of the extrusion blocks 5 is at least three, and the number of the extrusion blocks 5 corresponds to the number of the extrusion bolts 7.
Furthermore, the nut head at the top end of the extrusion bolt 7 is matched with an electric screwdriver.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A quick mounting structure of molecular pump inlet end, its characterized in that includes: the molecular pump connecting ring (1), the pipeline connecting ring (2), the interval sealing gasket (3), the extrusion sealing sleeve (4), the extrusion block (5), the annular sleeve (6) and the extrusion bolt (7), wherein the molecular pump connecting ring (1) is a circular ring piece, the molecular pump connecting ring (1) is fixedly connected with the air inlet end of the molecular pump, the pipeline connecting ring (2) is a circular ring piece, the pipeline connecting ring (2) is fixedly connected with the connecting end of the connecting pipeline, the interval sealing gasket (3) is circular ring-shaped, the interval sealing gasket (3) is arranged between the molecular pump connecting ring (1) and the pipeline connecting ring (2), the extrusion sealing sleeve (4) is cylindrical, the upper end and the lower end of the extrusion sealing sleeve (4) are provided with inward extending surfaces, the extrusion sealing sleeve (4) is sleeved on the molecular pump connecting ring (1) and the pipeline connecting ring (2), the annular sleeve (6) is cylindrical, annular cover (6) cup joints in the outside of molecular pump go-between (1) and pipeline go-between (2) junction, extrusion piece (5) be C type cassette, extrusion piece (5) are circular-arcly, complete ring is constituteed in a plurality of extrusion pieces (5), extrusion piece (5) cup joint in the outside of molecular pump go-between (1) and pipeline go-between (2) junction, extrusion bolt (7) pass through threaded connection on annular cover (6), and extrusion bolt (7) end withstands extrusion piece (5).
2. The quick mounting structure for the air inlet end of the molecular pump according to claim 1, wherein the number of the extrusion blocks (5) is at least three, and the number of the extrusion blocks (5) corresponds to the number of the extrusion bolts (7).
3. The quick mounting structure of the air inlet end of the molecular pump according to claim 1, wherein the nut head at the top end of the extrusion bolt (7) is matched with an electric screwdriver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326898.9U CN212959276U (en) | 2020-07-08 | 2020-07-08 | Quick mounting structure of molecular pump inlet end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326898.9U CN212959276U (en) | 2020-07-08 | 2020-07-08 | Quick mounting structure of molecular pump inlet end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959276U true CN212959276U (en) | 2021-04-13 |
Family
ID=75390719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021326898.9U Expired - Fee Related CN212959276U (en) | 2020-07-08 | 2020-07-08 | Quick mounting structure of molecular pump inlet end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959276U (en) |
-
2020
- 2020-07-08 CN CN202021326898.9U patent/CN212959276U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |