CN217431284U - Vacuum oil filtering mechanism of rotary sealing tester - Google Patents
Vacuum oil filtering mechanism of rotary sealing tester Download PDFInfo
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- CN217431284U CN217431284U CN202221593737.5U CN202221593737U CN217431284U CN 217431284 U CN217431284 U CN 217431284U CN 202221593737 U CN202221593737 U CN 202221593737U CN 217431284 U CN217431284 U CN 217431284U
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Abstract
The utility model relates to a rotary seal test equipment, a rotary seal testing machine vacuum oil strain mechanism specifically says so. It is characterized by comprising a bracket, wherein the upper part of the bracket is provided with a sealing barrel. The side wall of the sealing barrel is provided with a through hole, the outer side of the through hole is provided with an air outlet joint, the bottom of the sealing barrel is provided with a center hole, and the outer side of the center hole is provided with an air inlet joint. An oil filter cylinder is concentrically arranged in the sealed barrel. The oil filtering mechanism is arranged on a vacuum pipeline of a rotary sealing testing machine, oil gas in the vacuum pipeline can be filtered and recovered, corrosion damage of the oil gas to gas circuit components is avoided, and the service life of the oil filtering mechanism is guaranteed.
Description
Technical Field
The utility model relates to a rotary seal test equipment, a rotary seal testing machine vacuum oil strain mechanism specifically says so.
Background
At present, a rotary sealing tester is required to be used when a vacuum pressure test is carried out on a rotary sealing piece, the principle is that the rotary sealing piece is installed in a cavity of the tester, a vacuum generator is used for vacuumizing the cavity of the tester, and then the sealing performance of the sealing piece under different conditions is tested through the uninterrupted rotation action of the rotary piece in the tester.
However, sometimes when a vacuum pressure test is performed, oil exists in a cavity of the testing machine, and during the heating evaporation process of the oil, the rotating piece can bring the oil gas into the vacuum pipeline through the rotating action. Although the corrosion of high-temperature oil gas to the vacuum pipeline is reduced by using the tetrafluoro pipeline in the prior art, other gas circuit components and parts are often connected to the vacuum pipeline, and the corrosion of the high-temperature oil gas is hard to resist by the gas circuit components and parts under the long-term use, so that the service life is greatly shortened.
Disclosure of Invention
An object of the utility model is to solve the not enough of prior art, provide a rotary seal testing machine vacuum oil filter mechanism, install this oil filter mechanism on rotary seal testing machine's vacuum pipe, can filter the recovery to the oil gas in the vacuum pipe, avoid oil gas to destroy the erosion of gas circuit components and parts, make their life obtain guaranteeing.
In order to solve the problems, the following technical scheme is adopted;
the utility model discloses a rotary seal testing machine vacuum oil filter mechanism's characteristics are including the support, and sealed bucket is installed on the upper portion of support. The side wall of the sealing barrel is provided with a through hole, the outer side of the through hole is provided with an air outlet joint, the bottom of the sealing barrel is provided with a central hole, and the outer side of the central hole is provided with an air inlet joint. An oil filter cylinder is concentrically arranged in the sealed barrel.
Further, the sealing barrel comprises a barrel body and a barrel cover. An annular groove is formed in the upper end face of the barrel body, a sealing ring is arranged in the annular groove, and the barrel cover is concentrically fixed to the upper end of the barrel body through bolts.
A circular groove is formed in the center of the lower surface of the barrel cover, the upper end of the oil filter cylinder is located in the circular groove, and the lower end of the oil filter cylinder extends to the bottom of the inner cavity of the barrel body.
Further, the bottom of the oil filter cylinder is open and covers the central hole in the bottom of the sealing barrel. The side wall of the oil filter cylinder is uniformly and densely provided with conical filter holes, and the diameter of the outer end of each filter hole is smaller than that of the inner end of each filter hole.
And a liquid discharge hole is processed at the bottom of the sealing barrel corresponding to the space between the inner wall of the sealing barrel and the oil filter barrel, and a plug is arranged in the liquid discharge hole.
The support comprises a base, a stand column is fixed on the base, a supporting plate which is horizontally arranged is connected to the upper end of the stand column, the sealing barrel is fixed on the supporting plate, and a strip-shaped yielding hole is formed in the supporting plate corresponding to the central hole in the bottom of the sealing barrel.
And reinforcing corner fittings are connected between the two sides of the upper end of the upright post and the supporting plate.
By adopting the scheme, the method has the following advantages:
the vacuum oil filtering mechanism of the rotary sealing tester comprises a bracket, wherein a sealing barrel is arranged at the upper part of the bracket; the side wall of the sealing barrel is provided with a through hole, the outer side of the through hole is provided with an air outlet joint, the bottom of the sealing barrel is provided with a central hole, and the outer side of the central hole is provided with an air inlet joint; an oil filter cylinder is concentrically arranged in the sealed barrel. When the device is used, the air outlet of the cavity of the testing machine is connected with the air inlet connector of the oil filtering mechanism through the pipeline, the air outlet connector of the oil filtering mechanism is connected with the vacuum generator through the pipeline, and the sealing barrel is enabled to be higher than the cavity of the testing machine through the support. When the rotary sealing piece needs to be subjected to a vacuum pressure test, the vacuum generator can be used for exhausting air in the cavity of the testing machine so as to generate negative pressure. If oil liquid exists in the cavity of the testing machine, oil gas can enter the vacuum pipeline under the driving action of heating evaporation and the rotating piece. At the moment, the oil filter cylinder in the sealing barrel can cool and condense the oil gas, and the condensed oil liquid flows back to the cavity of the testing machine due to the height difference, so that gas circuit components connected in a subsequent pipeline are protected from being corroded and damaged by high-temperature oil gas, and the service life of the components is ensured.
Drawings
Fig. 1 is a schematic structural view of a vacuum oil filtering mechanism of the rotary sealing tester of the present invention;
fig. 2 is a schematic perspective view of a vacuum oil filtering mechanism of the rotary sealing tester of the present invention;
fig. 3 is a schematic view of the vacuum oil filtering mechanism of the rotary sealing tester of the present invention in use.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1 and figure 2, the vacuum oil filtering mechanism of the rotary sealing tester of the utility model is characterized in that the vacuum oil filtering mechanism comprises a bracket, and a sealing barrel is arranged on the upper part of the bracket. The side wall of the sealing barrel is provided with a through hole, the outer side of the through hole is provided with an air outlet joint 7, the bottom of the sealing barrel is provided with a central hole, and the outer side of the central hole is provided with an air inlet joint 5. An oil filter cylinder 10 is concentrically arranged in the sealed barrel.
The support comprises a base 1, a stand column 2 is fixed on the base 1, the upper end of the stand column 2 is connected with a supporting plate 3 which is horizontally arranged, the sealing barrel is fixed on the supporting plate 3, and a strip-shaped yielding hole 4 is formed in the supporting plate 3 corresponding to the central hole in the bottom of the sealing barrel. And reinforcing corner fittings 14 are connected between the two sides of the upper end of the upright post 2 and the supporting plate 3. The reinforcing corner piece 14 can increase the connecting strength of the supporting plate 3 and the upright post 2 and improve the stability.
The sealing barrel comprises a barrel body 6 and a barrel cover 8. An annular groove is formed in the upper end face of the barrel body 6, a sealing ring 9 is arranged in the annular groove, and the barrel cover 8 is concentrically fixed to the upper end of the barrel body 6 through bolts. A circular groove is formed in the center of the lower surface of the barrel cover 8, the upper end of the oil filter cylinder 10 is located in the circular groove, and the lower end of the oil filter cylinder 10 extends to the bottom of the inner cavity of the barrel body 6. Through the annular groove and the sealing ring 9 arranged on the barrel body 6, the sealing performance of connection between the barrel cover 8 and the barrel body 6 can be ensured, and meanwhile, the installation and maintenance are convenient. The circular groove on the lower surface of the barrel cover 8 can limit the position of the oil filter barrel 10, and positioning and installation are facilitated.
The bottom of the oil filter cylinder 10 is open and covers the central hole at the bottom of the sealing barrel. The side wall of the oil filter cylinder 10 is uniformly and densely provided with conical filter holes 11, and the diameter of the outer end of each filter hole 11 is smaller than that of the inner end. The densely distributed filtering holes 11 on the side wall of the oil filter cylinder 10 can increase the contact area of the airflow and the oil filter cylinder 10, and the tapered filtering holes 11 can increase the flow velocity of the air, so that the oil vapor in the airflow can be rapidly cooled and condensed while the airflow is in sufficient heat conduction with the oil filter cylinder 10.
A liquid discharge hole 12 is formed in the bottom of the sealing barrel corresponding to the position between the inner wall of the sealing barrel and the oil filter barrel 10, and a plug 13 is installed in the liquid discharge hole 12. The design of the drain hole 12 and the plug 13 is beneficial to pulling out the plug 13 when the vacuum oil filtering mechanism is stopped, and discharging residual oil on the inner wall of the sealed barrel, thereby being convenient for maintenance.
As shown in fig. 3, when in use, the air outlet of the testing machine cavity 15 is connected with the air inlet joint 5 of the oil filtering mechanism by a pipeline, the air outlet joint 7 of the oil filtering mechanism is connected with the vacuum generator 16 by a pipeline, and the position of the sealing barrel is ensured to be higher than the cavity 15 of the testing machine by a bracket. When a vacuum pressure test of the rotary seal is required, the tester chamber 15 can be evacuated by the vacuum generator 16 to generate a negative pressure. If oil liquid exists in the testing machine cavity 15, the oil gas can enter the vacuum pipeline under the driving action of heating evaporation and the rotating piece. At the moment, the oil filter cylinder 10 in the sealed barrel can cool and condense the oil gas, and the condensed oil liquid flows back into the cavity 15 of the testing machine due to the height difference, so that gas circuit components connected in a subsequent pipeline are protected from being corroded and damaged by the high-temperature oil gas, and the service life of the components is ensured.
Claims (7)
1. The vacuum oil filtering mechanism of the rotary sealing tester is characterized by comprising a bracket, wherein a sealing barrel is arranged at the upper part of the bracket; a through hole is formed in the side wall of the sealing barrel, an air outlet joint (7) is installed on the outer side of the through hole, a central hole is formed in the bottom of the sealing barrel, and an air inlet joint (5) is installed on the outer side of the central hole; an oil filter cylinder (10) is concentrically arranged in the sealed barrel.
2. The vacuum oil filtering mechanism of the rotary sealing tester according to claim 1, characterized in that the sealing barrel comprises a barrel body (6) and a barrel cover (8); an annular groove is processed on the upper end face of the barrel body (6), a sealing ring (9) is arranged in the annular groove, and the barrel cover (8) is concentrically fixed at the upper end of the barrel body (6) through bolts.
3. The vacuum oil filtering mechanism of the rotary sealing tester according to claim 2, wherein a circular groove is formed in the center of the lower surface of the barrel cover (8), the upper end of the oil filtering barrel (10) is located in the circular groove, and the lower end of the oil filtering barrel (10) extends to the bottom of the inner cavity of the barrel body (6).
4. The vacuum oil filtering mechanism of the rotary sealing tester according to claim 1, characterized in that the bottom of the oil filtering cylinder (10) is open and covers the central hole at the bottom of the sealing barrel; the side wall of the oil filter cylinder (10) is uniformly and densely provided with conical filter holes (11), and the diameter of the outer end of each filter hole (11) is smaller than that of the inner end.
5. The vacuum oil filtering mechanism of the rotary sealing tester according to claim 1, characterized in that a drain hole (12) is formed at the bottom of the sealing barrel corresponding to the position between the inner wall of the sealing barrel and the oil filtering barrel (10), and a plug (13) is installed in the drain hole (12).
6. The vacuum oil filtering mechanism of the rotary sealing tester according to any one of claims 1 to 5, characterized in that the bracket comprises a base (1), wherein the base (1) is fixed with a vertical column (2), the upper end of the vertical column (2) is connected with a horizontally arranged supporting plate (3), the sealing barrel is fixed on the supporting plate (3), and the supporting plate (3) corresponding to the central hole in the bottom of the sealing barrel is provided with a strip-shaped abdicating hole (4).
7. The vacuum oil filtering mechanism of the rotary sealing tester according to claim 6, characterized in that a reinforcing corner piece (14) is connected between both sides of the upper end of the upright post (2) and the supporting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221593737.5U CN217431284U (en) | 2022-06-25 | 2022-06-25 | Vacuum oil filtering mechanism of rotary sealing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221593737.5U CN217431284U (en) | 2022-06-25 | 2022-06-25 | Vacuum oil filtering mechanism of rotary sealing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217431284U true CN217431284U (en) | 2022-09-16 |
Family
ID=83225004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221593737.5U Active CN217431284U (en) | 2022-06-25 | 2022-06-25 | Vacuum oil filtering mechanism of rotary sealing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217431284U (en) |
-
2022
- 2022-06-25 CN CN202221593737.5U patent/CN217431284U/en active Active
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