CN205402017U - Vacuum pump station - Google Patents
Vacuum pump station Download PDFInfo
- Publication number
- CN205402017U CN205402017U CN201620169677.2U CN201620169677U CN205402017U CN 205402017 U CN205402017 U CN 205402017U CN 201620169677 U CN201620169677 U CN 201620169677U CN 205402017 U CN205402017 U CN 205402017U
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- China
- Prior art keywords
- vacuum line
- flange
- linkage section
- vacuum
- seal section
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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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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a vacuum pump station, include the pump body that is connected through the vacuum line with the valve the vacuum line on be provided with the external screw thread the external screw thread on be provided with the lower part flange the vacuum line on be provided with connection port, connection port be the hollow circular cylinder structure connection port include seal section and linkage segment, the seal section be close to the external diameter of linkage segment one end be greater than it and keep away from the external diameter of linkage segment one end linkage segment upper end outer wall on be provided with the external screw thread the linkage segment on be provided with the upper portion flange, the utility model discloses a connection port who adopts brass to make when the seal section joint with connection port is on the vacuum line, can pass through to make seal section outer wall and vacuum line inner wall rigid connection, makes the seal section metal phase to being out of shape, and the realization is sealed to the vacuum line, helps improving the leakage efficiency, makes the vacuum pump package can have better sealed effect.
Description
Technical field
This utility model relates to a kind of Vacuum Pumps Station.
Background technology
In the existing course of processing, when multiple devices all need to adopt vacuum pump, generally on every equipment, army connects vacuum pump so that the demand of vacuum pump is increased, adds the cost of equipment.If a vacuum pump is adopted on vacuum line connection equipment simultaneously, the sealing effectiveness between vacuum pump and vacuum line, affect very much the service efficiency of vacuum pump group.
Summary of the invention
The purpose of this utility model is in that to provide a kind of Vacuum Pumps Station, prior art Problems existing can be improved, by the connectivity port adopting pyrite to make, when the seal section of connectivity port is connected on vacuum line, can pass through to make seal section outer wall and vacuum line inwall be rigidly connected, make seal section metal relative deformation, realize the sealing to vacuum line, linkage section is connected on vacuum pump, can realize the opposing seal between vacuum pump and vacuum line, it is favorably improved leakage efficiency, enables vacuum pump group to have better seal effect.
This utility model is achieved through the following technical solutions:
nullA kind of Vacuum Pumps Station，Including the pump body being connected with valve by vacuum line，Described vacuum line is provided with external screw thread，Described external screw thread is provided with lower flange，Described vacuum line is provided with connectivity port，Described connectivity port is hollow circular cylinder structure，Seal section and linkage section is included in described connectivity port，The described seal section external diameter near described linkage section one end is more than its external diameter away from described linkage section one end，Described linkage section upper end outer wall is provided with external screw thread，Described linkage section is provided with upper flange，The external diameter of described linkage section is more than the internal diameter of described vacuum line，Described upper flange is connected by bolt with described lower flange，It is set with seal washer between described upper flange and described lower flange，The upper surface of described vacuum line is provided with groove in the form of a ring，The lower surface of described upper flange is provided with sealing ring in the form of a ring，Sealing ring described in when described upper flange is connected with each other with described lower flange can be embedded in described groove，Described connectivity port and described sealing ring are pyrite and make.
Further, for realizing this utility model better, the outer wall of described lower flange is provided with external screw thread, at described lower flange outer sheath equipped with sleeve, described bush whorl is connected in described lower flange, the internal diameter of described sleeve, be more than or equal to the external diameter of described upper flange, is provided with spacing ring inside described sleeve upper end, and the internal diameter of described spacing ring is less than the external diameter of described upper flange.
Further, for realizing this utility model better, described sleeve is that spheroidal graphite cast-iron is made.
Further, for realizing this utility model better, described bottom portion of groove is provided with sealing ring.
Further, for realizing this utility model better, described linkage section is bent to form kink to the inside away from described seal section one end.
This utility model compared with prior art, has the advantages that
null(1) this utility model is by mode that flange and lower flange do not match on adopting，Conveniently connectivity port can be connected on vacuum pump and vacuum line，Owing to adopting pyrite to make connectivity port，Utilize the characteristic that pyrite hardness is less，After adopting bolt upper flange and lower flange to be coupled together，Screwing bolts，Connectivity port can be made to be fitted on the inwall of vacuum line under the active force of bolt，Owing to this utility model adopts, the structure that external diameter is gradually reduced is set at seal section position，Make the longitudinal cross-section outside seal section tapered，After by external force seal section being pressed into vacuum line，Seal section outer wall can be enable to be fitted in better on vacuum line inwall，So that seal relatively reliable，Owing to adopting metal to make connectivity port，Seal section and the vacuum line position that contacts with each other is made to be not easy that the problems such as corrosion occur，So that seal relatively reliable；
(2) mode that this utility model cooperates by adopting sealing ring and groove, make upper flange after mounting, sealing ring can be made to be connected in groove, utilize upper flange that the upper surface of vacuum line is sealed, in this utility model, adopt the mode of sealing ring and groove interference fit, it is possible to be favorably improved integrally-built sealing property.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is this utility model overall structure schematic diagram.
Wherein: 101. vacuum lines, 102. lower flange, 103. upper flange, 104. seal sections, 105. linkage sections, 106. bolts, 107. grooves, 108. sealing rings, 109. seal washers, 110. sleeves, 111. spacing rings, 112. sealing rings, 113. kinks.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1:
nullAs shown in Figure 1，A kind of Vacuum Pumps Station，Including the pump body being connected with valve by vacuum line 101，Described vacuum line is provided with external screw thread，Described external screw thread is provided with lower flange 102，Described vacuum line is provided with connectivity port，Described connectivity port is hollow circular cylinder structure，Seal section 104 and linkage section 105 is included in described connectivity port，The described seal section external diameter near described linkage section one end is more than its external diameter away from described linkage section one end，Described linkage section upper end outer wall is provided with external screw thread，Described linkage section is provided with upper flange 103，The external diameter of described linkage section is more than the internal diameter of described vacuum line，Described upper flange is connected by bolt 106 with described lower flange，Seal washer 109 it is set with between described upper flange and described lower flange，The upper surface of described vacuum line is provided with groove 107 in the form of a ring，The lower surface of described upper flange is provided with sealing ring 108 in the form of a ring，Sealing ring described in when described upper flange is connected with each other with described lower flange can be embedded in described groove，Described connectivity port and described sealing ring are pyrite and make.
Lower flange is threaded on vacuum line, seal section one end of connectivity port is embedded in vacuum line, the outer wall making seal section is fitted on the inwall of vacuum line, linkage section outer wall overlaps sealing filler ring, by corresponding with groove location for the sealing ring in upper flange, upper flange is connected with each other by bolt and lower flange, continue screwing bolts and make means of press seals packing ring under upper flange, upper flange drives linkage section to move to vacuum line direction, under the promotion of linkage section, seal section is pressed on the inwall of vacuum line, seal section outer wall relative vacuum pipeline inner wall is made to seal, adopt locking nut by bolt-locking.
nullThis utility model is by mode that flange and lower flange do not match on adopting，Conveniently connectivity port can be connected on vacuum pump and vacuum line，Owing to adopting pyrite to make connectivity port，Utilize the characteristic that pyrite hardness is less，After adopting bolt upper flange and lower flange to be coupled together，Screwing bolts，Connectivity port can be made to be fitted on the inwall of vacuum line under the active force of bolt，Owing to this utility model adopts, the structure that external diameter is gradually reduced is set at seal section position，Make the longitudinal cross-section outside seal section tapered，After by external force seal section being pressed into vacuum line，Seal section outer wall can be enable to be fitted in better on vacuum line inwall，So that seal relatively reliable，Owing to adopting metal to make connectivity port，Seal section and the vacuum line position that contacts with each other is made to be not easy that the problems such as corrosion occur，So that seal relatively reliable；The mode that this utility model cooperates by adopting sealing ring and groove, make upper flange after mounting, sealing ring can be made to be connected in groove, utilize upper flange that the upper surface of vacuum line is sealed, in this utility model, adopt the mode of sealing ring and groove interference fit, it is possible to be favorably improved integrally-built sealing property.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, in order to enable upper flange lower portion flange direction under external force move further, so that seal section can be fitted on the inwall of vacuum line more closely, in the present embodiment, preferably, the outer wall of described lower flange is provided with external screw thread, at described lower flange outer sheath equipped with sleeve 110, described bush whorl is connected in described lower flange, the internal diameter of described sleeve is be more than or equal to the external diameter of described upper flange, it is provided with spacing ring 111 inside described sleeve upper end, the internal diameter of described spacing ring is less than the external diameter of described upper flange.
For convenient processing, in the present embodiment, it is preferable that described sleeve is that spheroidal graphite cast-iron is made.
In order to improve sealing effectiveness, in the present embodiment, it is preferable that described bottom portion of groove is provided with sealing ring 112.
In order to avoid occurring that oil occurs returning in oil-sealed vacuum pump, in the present embodiment, it is preferable that described linkage section is bent to form kink 113 to the inside away from described seal section one end.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (5)
- null1. a Vacuum Pumps Station，Including the pump body being connected with valve by vacuum line，It is characterized in that: on described vacuum line outer wall, be provided with external screw thread，Described external screw thread is provided with lower flange，Described vacuum line is provided with connectivity port，Described connectivity port is hollow circular cylinder structure，Seal section and linkage section is included in described connectivity port，The described seal section external diameter near described linkage section one end is more than its external diameter away from described linkage section one end，Described linkage section upper end outer wall is provided with external screw thread，Described linkage section is provided with upper flange，The external diameter of described linkage section is more than the internal diameter of described vacuum line，Described upper flange is connected by bolt with described lower flange，It is set with seal washer between described upper flange and described lower flange，The upper surface of described vacuum line is provided with groove in the form of a ring，The lower surface of described upper flange is provided with sealing ring in the form of a ring，Sealing ring described in when described upper flange is connected with each other with described lower flange can be embedded in described groove，Described connectivity port and described sealing ring are pyrite and make.
- 2. a kind of Vacuum Pumps Station according to claim 1, it is characterized in that: on the outer wall of described lower flange, be provided with external screw thread, at described lower flange outer sheath equipped with sleeve, described bush whorl is connected in described lower flange, the internal diameter of described sleeve is be more than or equal to the external diameter of described upper flange, being provided with spacing ring inside described sleeve upper end, the internal diameter of described spacing ring is less than the external diameter of described upper flange.
- 3. a kind of Vacuum Pumps Station according to claim 2, it is characterised in that: described sleeve is that spheroidal graphite cast-iron is made.
- 4. a kind of Vacuum Pumps Station according to claim 1, it is characterised in that: described bottom portion of groove is provided with sealing ring.
- 5. a kind of Vacuum Pumps Station according to claim 1, it is characterised in that: described linkage section is bent to form kink to the inside away from described seal section one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169677.2U CN205402017U (en) | 2016-03-07 | 2016-03-07 | Vacuum pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169677.2U CN205402017U (en) | 2016-03-07 | 2016-03-07 | Vacuum pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205402017U true CN205402017U (en) | 2016-07-27 |
Family
ID=56441232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620169677.2U Active CN205402017U (en) | 2016-03-07 | 2016-03-07 | Vacuum pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205402017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588255A (en) * | 2017-09-29 | 2018-01-16 | 中国地质大学（武汉） | A kind of oil field ground line connection device |
| CN114607501A (en) * | 2022-03-30 | 2022-06-10 | 重庆长安汽车股份有限公司 | Engine air overflow pipe structure |
-
2016
- 2016-03-07 CN CN201620169677.2U patent/CN205402017U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588255A (en) * | 2017-09-29 | 2018-01-16 | 中国地质大学（武汉） | A kind of oil field ground line connection device |
| CN114607501A (en) * | 2022-03-30 | 2022-06-10 | 重庆长安汽车股份有限公司 | Engine air overflow pipe structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |