CN215257137U - Inlet and outlet combined type self-sealing device - Google Patents
Inlet and outlet combined type self-sealing device Download PDFInfo
- Publication number
- CN215257137U CN215257137U CN202121187587.3U CN202121187587U CN215257137U CN 215257137 U CN215257137 U CN 215257137U CN 202121187587 U CN202121187587 U CN 202121187587U CN 215257137 U CN215257137 U CN 215257137U
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- self
- sealing
- inlet
- sealing valve
- outlet
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- Expired - Fee Related
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- Sealing With Elastic Sealing Lips (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an inlet and outlet combined self-sealing device, wherein a shell is connected with an inlet self-sealing valve seat through threads, the inlet self-sealing valve is placed in a central hole of the inlet self-sealing valve seat, one end of the inlet self-sealing valve is installed with one end of an outlet self-sealing valve seat in a clearance fit manner, the other end of the inlet self-sealing valve is installed with the end surface of a filter element in a fit manner when the other end of the inlet self-sealing valve normally works, and an inlet self-sealing spring is placed in an annular groove of the inlet self-sealing valve; the other end of the outlet self-sealing valve seat is connected with the shell through threads, the outlet self-sealing valve is placed in a central hole of the outlet self-sealing valve seat, the tail end of the outlet self-sealing valve seat is fastened with the limiting seat through a standard part shaft by a steel wire retaining ring, and the outlet self-sealing spring is placed in an annular groove of the limiting seat; the filter element is connected with the shell through threads. The technical scheme adopts an integrated structure, so that the number of elements of the system is reduced, and the weight of the system is lightened; meanwhile, the inlet and the outlet realize the self-sealing function, and the leakage of oil in the system can be effectively avoided when the filter element is replaced.
Description
Technical Field
The utility model relates to an it is imported and exported combination formula from closing device, use when being used for the renew cartridge among the specially adapted hydraulic system, the purpose can prevent that the fluid in the system from leaking.
Background
At present, a self-sealing device for preventing oil in a system in a hydraulic system mainly adopts an inlet self-sealing device, an outlet self-sealing device or both the inlet self-sealing device and the outlet self-sealing device which are installed and used at the same time, and is used for preventing the oil in the system from leaking when a filter element is replaced.
The disadvantage if only the inlet valve is installed is that: the self-sealing function is single, and the outlet still leaks when the filter element is replaced; the disadvantage if only the outlet valve is installed is: the self-sealing function is single, and the inlet still leaks when the filter element is replaced; if the two are used simultaneously, although the double-safety function of self-sealing of the inlet and the outlet is provided, the disadvantages are that: the existing design of the inlet self-sealing device and the outlet self-sealing device is two independent products, and the device occupies large system space and is heavy in weight during installation, so that inconvenience is brought to installation and maintenance.
Disclosure of Invention
The utility model aims to provide a small, practice thrift installation space, import and export and proclaim oneself simultaneously, the reliability is high, device is proclaimed oneself to an import and export combination formula with low costs.
The utility model discloses a task is accomplished like this, its characterized in that: the shell is connected with the inlet self-sealing valve seat through threads, the inlet self-sealing valve is placed in a central hole of the inlet self-sealing valve seat, one end of the inlet self-sealing valve is installed in clearance fit with one end of the outlet self-sealing valve seat, the other end of the inlet self-sealing valve is installed in fit with the end face of the filter element when normally working, and the inlet self-sealing spring is placed in a ring groove of the inlet self-sealing valve; the other end of the outlet self-sealing valve seat is connected with the shell through threads, the outlet self-sealing valve is placed in a central hole of the outlet self-sealing valve seat, the tail end of the outlet self-sealing valve seat is fastened with the limiting seat through a standard part shaft by a steel wire retaining ring, and the outlet self-sealing spring is placed in an annular groove of the limiting seat; the filter element is connected with the shell through threads. The automatic sealing device is characterized in that an annular groove is processed in the inlet automatic sealing valve, a sealing ring I is arranged in the annular groove, an annular groove is processed in the automatic sealing valve seat, and a sealing ring II is arranged in the annular groove. When the filter element is replaced, the inlet and outlet self-sealing devices are in a closed state, and leakage of system oil is prevented.
The utility model discloses has following effect: the technical scheme adopts an integrated structure, effectively realizes the function of self-sealing at the inlet and the outlet simultaneously, reduces the larger space occupied by the existing self-sealing devices (the inlet self-sealing device and the outlet self-sealing device), particularly reduces the element number of the system and lightens the weight of the system for the fluid system with limited space and weight; meanwhile, the inlet and the outlet realize the self-sealing function, and the leakage of oil in the system can be effectively avoided when the filter element is replaced.
Drawings
FIG. 1 is a schematic view of the self-sealing device in normal operation (open state); figure 2 is a schematic view of the self-sealing device in the closed state when the filter cartridge is replaced.
Description of the drawings: 1. the valve is proclaimed oneself to casing, 2, sealing washer I, 3, import, and 4, sealing washer II, 5, import, proclaimed oneself the valve, 6, import proclaimed oneself the spring, 7, export proclaimed oneself the valve seat, 8, sealing washer III, 9, export proclaimed oneself the valve, 10, export proclaimed oneself the spring, 11, sealing washer IV, 12, spacing seat, 13, sealing washer V, 14, filter core.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The technical scheme integrates the inlet self-sealing device and the outlet self-sealing device into a whole, and can realize the miniaturization and integration of the self-sealing device; the combination integration mode integrates the inlet self-sealing device and the outlet self-sealing device in a shell, and the inlet self-sealing device and the outlet self-sealing device are connected with the shell through threads, so that the inlet and the outlet can be self-sealed simultaneously when the filter element is replaced, the leakage of system oil is prevented, and the reliability is high.
In the specific implementation mode, as shown in fig. 1 and fig. 2, a shell 1 is connected with an inlet self-sealing valve seat 3 through threads, and is prevented from loosening by adopting a point punching mode, so that the inlet self-sealing valve seat 3 is ensured to be completely fixed; the sealing ring I2 is placed in the annular groove of the inlet self-sealing valve 5; the sealing ring II 4 is placed in the annular groove of the inlet self-sealing valve seat 3; the inlet self-sealing valve 5 is placed in a central hole of the inlet self-sealing valve seat 3, one end of the inlet self-sealing valve seat is in clearance fit with one end of the outlet self-sealing valve seat 7, and sealing is formed by a sealing ring IV 11 placed in an annular groove of the inlet self-sealing valve seat; the other end of the inlet self-sealing valve 5 is matched with the end face of the filter element 14 when working normally, and forms sealing through a sealing ring I2; the inlet self-sealing spring 6 is arranged in the annular groove of the inlet self-sealing valve 5; the other end of the outlet self-sealing valve seat 7 is connected with the shell 1 through threads, sealing is formed through a sealing ring III 8 placed in an annular groove of the outlet self-sealing valve seat, and meanwhile, the outlet self-sealing valve seat 7 is prevented from being loosened in a mode of coating thread locking glue, so that the outlet self-sealing valve seat 7 is completely fixed; the outlet self-sealing valve 9 is placed in a central hole of the outlet self-sealing valve seat 7, the tail end of the outlet self-sealing valve seat is fastened with the limiting seat 12 through a standard part shaft by a steel wire retaining ring, and the outlet self-sealing spring 10 is placed in an annular groove of the limiting seat 12; the filter element 14 is screwed to the housing 1 and is sealed by a sealing ring v 13 which is placed in its annular groove.
As shown in fig. 1, in normal operation, the filter element 14 pushes the inlet self-sealing valve 5 open, the inlet oil of the system flows into the internal channel of the filter element 14 after flowing through the inlet self-sealing valve 5 in an open state, then the inlet oil pressure overcomes the spring force of the outlet self-sealing spring 10 to force the outlet self-sealing valve 9 to open, and the inlet oil flows out from the outlet after flowing through the outlet self-sealing valve 9 in an open state.
As shown in fig. 2, when the filter element 14 is replaced, the inlet self-sealing valve 5 moves downwards under the combined action of the spring force of the inlet self-sealing spring 6 and the pressure of inlet oil, and contacts with a sealing ring II 4 in a sealing groove of the inlet self-sealing valve seat 3 to form sealing, so that no leakage of inlet oil is ensured; meanwhile, the outlet self-sealing valve 9 moves downwards under the combined action of the spring force of the outlet self-sealing spring 10 and the outlet oil pressure, and is sealed with the outlet self-sealing valve seat 7 through a metal conical surface, so that the outlet oil is ensured to be free of leakage, and the leakage of both the inlet and the outlet is realized.
In the present invention, unless otherwise specified or limited, the terms "mounting," "locking," "connecting," "securing," "sealing," and the like are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection that provides communication between the interior of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Claims (3)
1. The utility model provides a device is proclaimed oneself to import and export combination formula which characterized in that: the shell is connected with the inlet self-sealing valve seat through threads, the inlet self-sealing valve is placed in a central hole of the inlet self-sealing valve seat, one end of the inlet self-sealing valve is installed in clearance fit with one end of the outlet self-sealing valve seat, the other end of the inlet self-sealing valve is installed in fit with the end face of the filter element when normally working, and the inlet self-sealing spring is placed in a ring groove of the inlet self-sealing valve; the other end of the outlet self-sealing valve seat is connected with the shell through threads, the outlet self-sealing valve is placed in a central hole of the outlet self-sealing valve seat, the tail end of the outlet self-sealing valve seat is fastened with the limiting seat through a standard part shaft by a steel wire retaining ring, and the outlet self-sealing spring is placed in an annular groove of the limiting seat; the filter element is connected with the shell through threads.
2. The self-sealing device of claim 1, which is characterized in that: the automatic sealing device is characterized in that an annular groove is processed in the inlet automatic sealing valve, a sealing ring I is arranged in the annular groove, an annular groove is processed in the automatic sealing valve seat, and a sealing ring II is arranged in the annular groove.
3. The self-sealing device of claim 1, which is characterized in that: when the filter element is replaced, the inlet and outlet self-sealing devices are in a closed state, and leakage of system oil is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187587.3U CN215257137U (en) | 2021-05-31 | 2021-05-31 | Inlet and outlet combined type self-sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187587.3U CN215257137U (en) | 2021-05-31 | 2021-05-31 | Inlet and outlet combined type self-sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215257137U true CN215257137U (en) | 2021-12-21 |
Family
ID=79474777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121187587.3U Expired - Fee Related CN215257137U (en) | 2021-05-31 | 2021-05-31 | Inlet and outlet combined type self-sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215257137U (en) |
-
2021
- 2021-05-31 CN CN202121187587.3U patent/CN215257137U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |