CN212700857U - Pressure measuring device of oil filter - Google Patents
Pressure measuring device of oil filter Download PDFInfo
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- CN212700857U CN212700857U CN202021421903.4U CN202021421903U CN212700857U CN 212700857 U CN212700857 U CN 212700857U CN 202021421903 U CN202021421903 U CN 202021421903U CN 212700857 U CN212700857 U CN 212700857U
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- sleeve
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- filter element
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Abstract
The utility model relates to an oil filter pressure measuring device, including the shell, set up filter core, the cover body of shell upper end in the shell, be equipped with inlet port, oil outlet on the cover body, the tip is equipped with changer mounting structure under the shell, changer mounting structure is including installing sleeve and changer seat in the filter core lower part, the sleeve communicates with the interior cover hole of filter core, the upper end of changer seat with the sleeve sliding seal assembly, lower tip and shell sealing connection, and the lower tip has the mounting groove of installation pressure transmitter, the mounting groove with sleeve inner chamber intercommunication; a spring is arranged between the transmitter seat and the sleeve. Pressure transmitter or pressure sensor can be installed to the bottom, and the hydraulic pressure force after the real-time supervision filters, when the filter core took place to block up, pressure variation can in time be detected, and the suggestion is changed this oil filter, ensures whole big oil piping system's normal operating, is unlikely to take place great accident.
Description
Technical Field
The utility model relates to an oil filter technical field, concretely relates to oil filter pressure measurement device.
Background
Air compressors, referred to as air compressors, are classified into piston type air compressors, screw type air compressors, and the like. The utility model discloses a single screw air compressor structure as utility model patent of grant publication No. CN202756241U, it includes the box, is equipped with host computer, motor, oil and gas separator and oil filter in the box. However, the oil filter does not have a pressure detection device, and cannot know the internal condition in real time, and if the oil filter is blocked or the pressure of the oil fluid is abnormal, the oil filter cannot be found in time, and the oil filter can only be manually replaced within the service life of the oil filter, and if workers forget to replace the oil filter or cannot find and process the oil filter in time when the oil filter is abnormal, the oil filter may cause great loss to the whole oil pressure system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil filter pressure measurement device to solve the technical problem that can not in time be discovered when current oil filter is out of order.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the pressure measuring device of the oil filter comprises a shell, a filter element arranged in the shell and a cover body arranged at the upper end part of the shell, wherein an oil inlet hole and an oil outlet hole are formed in the cover body; the pressure transmitter is spirally assembled in the mounting groove, and a spring is arranged between the transmitter seat and the sleeve.
Further, the upper end of the sleeve is in press-riveting fit with the filter element, and a sealing gasket is arranged between the upper end of the sleeve and the filter element.
Further, the lower end of the transmitter base is in press-riveting fit with the shell, and a sealing gasket is arranged between the lower end of the transmitter base and the shell.
Furthermore, the center of the bottom of the filter element is provided with a through hole communicated with the inner sleeve hole, the periphery of the upper part of the sleeve is provided with a first annular fixing clamping groove, the first fixing clamping groove is in press riveting fit with the hole wall of the through hole, and the sealing gasket is positioned on the upper side surface of the through hole.
Furthermore, the sleeve is hollow cylindrical, a spring groove is formed in the sleeve in a mode that the lower end of the sleeve is upwards concave, and the upper section of the spring is sleeved in the spring groove.
Furthermore, the transmitter seat is composed of a sealing matching section and a transmitter mounting section, the sealing matching section is used for matching with the cavity of the sleeve, the sealing matching section and the transmitter mounting section are cylindrical, the outer diameter of the sealing matching section is smaller than that of the transmitter mounting section, so that the transmitter seat forms a step, and the lower end of the spring is supported on the step.
Furthermore, the periphery wall of the sealing matching section is provided with two sealing grooves which are arranged at an upper interval and a lower interval, and the sealing grooves are provided with O-shaped rings.
The utility model has the advantages that:
the utility model discloses an oil filter pressure measurement device, bottom are equipped with the changer mounting groove, can install pressure transmitter or pressure sensor, and the oil pressure force after the real-time supervision filters when the filter core takes place to block up, and pressure variation can in time be detected. Reasonable alarm value is set through a matched controller, replacement is prompted, the oil filter is replaced manually, normal operation of the whole large oil path system is guaranteed, and great accidents are avoided. The transmitter seat and the sleeve are arranged in a sliding assembly mode, a telescopic space is reserved for the filter element, the installation is convenient, furthermore, a spring is arranged between the sleeve and the transmitter seat, the pretightening force can be provided, and the stability of the filter element is improved; the threaded connecting piece can also improve the sealing performance of the connecting part through axial stress.
Drawings
FIG. 1 is a schematic view of the oil filter pressure measuring device according to the present invention;
FIG. 2 is a schematic cross-sectional view of the oil filter pressure measurement device of the present invention;
FIG. 3 is a partial schematic view of the bottom of the pressure measuring device of the oil filter of the present invention (no spring installed);
fig. 4 is a partial schematic view (with a spring installed) of the bottom of the pressure measuring device of the oil filter of the present invention.
Names corresponding to the marks in the figure:
1. the shell, 2, the lid, 21, the inlet port, 22, the oil outlet, 3, the filter core, 31, endotheca hole, 32, through-hole, 4, sleeve, 41, the spring groove, 5, changer seat, 51, mounting groove, 52, changer installation section, 53, sealed cooperation section, 6, first seal gasket, 7, O type circle, 8, second seal gasket, 9, spring.
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 all belong to the protection scope of the present invention.
The embodiment of the utility model provides a:
as shown in fig. 1-4, the pressure measuring device for the oil filter includes a housing 1, a filter element 3 disposed in the housing 1, and a cover body 2 disposed at an upper end of the housing, wherein the cover body 2 is provided with an oil inlet 21 and an oil outlet 2. The filter element 3 and the cover body are assembled by screw threads, the structure of the filter element is the prior art, and the oil outlet hole corresponds to the inner sleeve hole in the middle of the filter element. The annular cavity between the filter element and the shell is communicated with the oil inlet, and the inner sleeve hole 31 of the filter element is communicated with the oil outlet. Oil coming from the oil inlet firstly passes through the filtering material of the filter element, enters the inner sleeve hole through the small hole of the tube wall of the inner sleeve of the filter element after being filtered, the inner sleeve hole is also the cavity of the inner sleeve, and the filtered oil is discharged through the oil outlet. The above is mainly the general introduction to oil filter's theory of operation, the utility model discloses an improve and lie in improving oil filter's structure, have the pressure measurement function.
The lower tip of shell 1 is equipped with changer mounting structure, and changer mounting structure is including installing sleeve 4 and changer seat 5 in the filter core lower part, and sleeve 4 communicates with interior cover hole 31 of filter core 3, and interior cover hole also is out the oil pocket promptly.
The upper end part of the transmitter seat 5 is assembled with the sleeve 4 in a sliding sealing way, and the lower end part is connected with the shell in a sealing way. The upper end of the sleeve 4 is in press-riveting fit with the bottom of the filter element 3, and a first sealing gasket 6 which is an annular sheet is arranged between the upper end of the sleeve and the bottom of the filter element. The center of the bottom of the filter element 3 is provided with a through hole 32 communicated with the inner sleeve hole, the periphery of the upper part of the sleeve 4 is provided with a first annular fixed clamping groove, the first fixed clamping groove is in press riveting fit with the hole wall of the through hole 32, and the first sealing gasket 6 is positioned on the upper side surface of the through hole. The riveting process is the existing process technology, and guarantees the firmness and the sealing performance of the joint.
A spring 9 is arranged between the transmitter seat 5 and the sleeve 4. The sleeve 4 is hollow and cylindrical, the lower end of the sleeve 4 is upwards concavely provided with a spring groove 41, the upper section of the spring 9 is sleeved in the spring groove 41, and the upper end of the spring can be fixed in the spring groove in advance.
The transmitter base 5 is composed of a sealing fitting section 53 and a transmitter mounting section 52, and the sealing fitting section 53 is used for sliding sealing fit with the cavity of the sleeve 4. Two sealing grooves which are arranged at an upper and a lower interval are arranged on the peripheral wall of the sealing matching section 53, and the sealing grooves are provided with O-shaped rings 7.
The seal fitting section 53 and the transmitter mounting section 52 are both cylindrical, and the outer diameter of the seal fitting section 53 is smaller than that of the transmitter mounting section 52, so that the transmitter mount forms a step on which the lower end of the spring 9 is supported.
The lower end of the transmitter mount 5, i.e., the transmitter mounting section, has a mounting groove 51 for mounting a pressure transmitter, and the mounting groove 51 communicates with the inner cavity of the sleeve 4, so that the pressure of the oil inside the filter element can be detected in real time. The mounting groove is provided with internal threads, and the pressure transmitter is spirally assembled in the mounting groove. The pressure transmitter is spirally assembled and is convenient to install.
The cooperation is riveted with the bottom of shell 1 to the lower tip of changer seat, and is equipped with seal gasket between the two, and seal gasket marks as second seal gasket 8, when fixed changer seat, prevents the oil impregnate. The riveting manner is similar to the riveting between the sleeve and the filter element and is not described in detail.
The utility model discloses an oil filter pressure measurement device can install pressure transmitter, and the oil pressure force after the real-time supervision filters when the filter core takes place to block up, and pressure variation can in time be detected. Reasonable alarm value is set through a matched controller, replacement is prompted, the oil filter is replaced manually, normal operation of the whole large oil path system is guaranteed, and great accidents are avoided. The transmitter seat and the sleeve are arranged in a sliding assembly mode, a telescopic space is reserved for the filter element, the installation is convenient, furthermore, a spring is arranged between the sleeve and the transmitter seat, the pretightening force can be provided, and the stability of the filter element is improved; the threaded connecting piece can also improve the sealing performance of the connecting part through axial stress.
Claims (7)
1. Oil filter pressure measurement device, its characterized in that: the oil filter comprises a shell, a filter element arranged in the shell and a cover body arranged at the upper end part of the shell, wherein an oil inlet and an oil outlet are formed in the cover body, an annular cavity between the filter element and the shell is communicated with the oil inlet, an inner sleeve hole of the filter element is communicated with the oil outlet, a transmitter mounting structure is arranged at the lower end part of the shell and comprises a sleeve and a transmitter seat which are arranged at the lower part of the filter element, the sleeve is communicated with the inner sleeve hole of the filter element, the upper end part of the transmitter seat is in sliding and sealing assembly with the sleeve, the lower end part of the transmitter seat is in sealing connection with the shell and is provided with; the pressure transmitter is spirally assembled in the mounting groove, and a spring is arranged between the transmitter seat and the sleeve.
2. The oil filter pressure measuring device according to claim 1, wherein: the upper end of the sleeve is in press-riveting fit with the filter element, and a sealing gasket is arranged between the upper end of the sleeve and the filter element.
3. The oil filter pressure measuring device according to claim 1, wherein: the lower end part of the transmitter seat is in press-riveting fit with the shell, and a sealing gasket is arranged between the lower end part of the transmitter seat and the shell.
4. The oil filter pressure measuring device according to claim 2, wherein: the filter element is characterized in that a through hole communicated with the inner sleeve hole is formed in the center of the bottom of the filter element, an annular first fixing clamping groove is formed in the periphery of the upper portion of the sleeve, the first fixing clamping groove is in press-riveting fit with the hole wall of the through hole, and the sealing gasket is located on the upper side face of the through hole.
5. The oil filter pressure measuring device according to claim 4, wherein: the sleeve is hollow cylindrical, a spring groove is formed in the lower end of the sleeve in an upward concave mode, and the upper section of the spring is sleeved in the spring groove.
6. The oil filter pressure measuring device according to claim 5, wherein: the transmitter seat comprises sealed cooperation section and transmitter installation section, and sealed cooperation section is used for cooperating with telescopic cavity, and sealed cooperation section and transmitter installation section are all cylindrical, and the external diameter of sealed cooperation section is less than the external diameter of transmitter installation section to make the transmitter seat form a step, the lower extreme of spring supports on the step.
7. The oil filter pressure measurement device according to claim 6, wherein: the outer peripheral wall of the sealing matching section is provided with two sealing grooves which are arranged at intervals up and down, and the sealing grooves are provided with O-shaped rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421903.4U CN212700857U (en) | 2020-07-17 | 2020-07-17 | Pressure measuring device of oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421903.4U CN212700857U (en) | 2020-07-17 | 2020-07-17 | Pressure measuring device of oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212700857U true CN212700857U (en) | 2021-03-16 |
Family
ID=74906803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021421903.4U Active CN212700857U (en) | 2020-07-17 | 2020-07-17 | Pressure measuring device of oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212700857U (en) |
-
2020
- 2020-07-17 CN CN202021421903.4U patent/CN212700857U/en active Active
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