CN109681494B - Air filtration decompression assembly - Google Patents
Air filtration decompression assembly Download PDFInfo
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- CN109681494B CN109681494B CN201910040330.6A CN201910040330A CN109681494B CN 109681494 B CN109681494 B CN 109681494B CN 201910040330 A CN201910040330 A CN 201910040330A CN 109681494 B CN109681494 B CN 109681494B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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Abstract
The invention relates to the technical field of pneumatic elements, in particular to an air filtering pressure reducing assembly which comprises an air filtering pressure reducing valve, a secondary filter, an oil atomizer and a connecting assembly, wherein the air filtering pressure reducing valve, the secondary filter and the oil atomizer are sequentially connected, the air filtering pressure reducing valve and the secondary filter are connected through the connecting assembly, the secondary filter and the oil atomizer are also connected through the connecting assembly, the air filtering pressure reducing valve comprises a pressure regulating chamber, a valve body and a first filter chamber which are sequentially connected from top to bottom, the secondary filter comprises a transition chamber and a second filter chamber which are sequentially connected from top to bottom, the valve body is communicated with the transition chamber, the transition chamber is communicated with the oil atomizer, an automatic drain valve is arranged at the bottom end of the first filter chamber, an automatic drain valve is arranged at the bottom end of the second filter chamber, and the assembly can prevent workers, the sewage or polluted air enters the oil atomizer through the air filtering and reducing valve to pollute the oil atomizer.
Description
Technical Field
The invention relates to the technical field of pneumatic elements, in particular to an air filtering and pressure reducing assembly.
Background
When the pneumatic driving actuating element is used, a pneumatic source and the actuating element need to be connected through a pipeline, a plurality of air pipes connected with the pneumatic source are generally arranged on a production site and are respectively connected with different pneumatic actuating elements, such as an air compressor, a grinding machine, a pneumatic screwdriver and the like, all pneumatic tools need to be driven to work through the pressure of compressed air, convenience is provided for production work of people, the tools need to be lubricated after being used for a long time, and people generally use a pneumatic two-way piece as a lubricating device.
Chinese patent CN203248969U discloses a pneumatic two allies oneself with piece of high sensitive oil mist control, include filtration relief pressure valve and the oil mist ware that links together through coupling assembling, the filtration relief pressure valve includes the valve body to and be located the case of valve body, the valve body bottom is equipped with the drinking cup, the case is located the top of drinking cup, be equipped with the cyclone blade in the drinking cup, the oil mist ware includes oil cup and the oil absorption device that is located the oil cup to and be located the oil window of oil cup top, be equipped with the oil adjusting device on the oil window. The oil adjusting device is arranged on the oil window of the oil sprayer, the oil dripping speed in the oil window is controlled, the oil outlet quantity in the oil window can be directly controlled, the sensitivity is higher, and the oil control effect is better. The invention has reasonable structure.
The pneumatic doubler disclosed in this patent has the following drawbacks:
the pneumatic dual-joint part can only discharge water manually, cannot discharge water automatically, and once too much sewage is accumulated, workers forget to discharge the sewage manually, the sewage can enter the oil atomizer along the air filtering and reducing valve to pollute the oil atomizer.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an air filtering pressure reducing assembly which replaces a manual drain valve with an automatic drain valve, so that the phenomenon that sewage enters an oil atomizer through an air filtering pressure reducing valve to pollute the oil atomizer when workers forget to discharge sewage can be avoided; and this subassembly is through twice filtration, and the air that can avoid the staff to forget when changing the filter core pollutes the sprayer through air filter relief pressure valve entering into the sprayer.
The invention discloses an air filtering pressure reducing assembly which comprises an air filtering pressure reducing valve, a secondary filter, an oil atomizer and a connecting assembly, wherein the air filtering pressure reducing valve, the secondary filter and the oil atomizer are sequentially connected, the air filtering pressure reducing valve and the secondary filter are connected through the connecting assembly, the secondary filter and the oil atomizer are also connected through the connecting assembly, the air filtering pressure reducing valve comprises a pressure regulating chamber, a valve body and a first filter chamber which are sequentially connected from top to bottom, the secondary filter comprises a transition chamber and a second filter chamber which are sequentially connected from top to bottom, the valve body is communicated with the transition chamber, the transition chamber is communicated with the oil atomizer, an automatic drain valve is installed at the bottom end of the first filter chamber, and an automatic drain valve is installed at the bottom end.
The pressure regulating chamber comprises a first valve cover, a pressure regulating handle, a pressure regulating spring and a diaphragm, the pressure regulating handle is rotatably arranged at the top end of the first valve cover, the diaphragm is horizontally arranged and fixedly arranged at one end of the first valve cover close to the valve body, a gap is reserved between the diaphragm and the valve body, the gap between the diaphragm and the valve body is a decompression chamber, and the pressure regulating spring is arranged between the pressure regulating handle and the diaphragm;
the valve body is including first valve body and case, first valve gap fixed mounting is in the top of first valve body, the case sets up the middle-end at first valve body, the case passes through stand fixed connection with the diaphragm, the both sides of first valve body are provided with and run through first valve body outer wall and communicate to the inside valve body air inlet and the valve body gas outlet of first valve body, the inside filter chamber air inlet that communicates valve body air inlet and first filter chamber that is provided with of first valve body, the inside decompression chamber air inlet that communicates decompression chamber and first filter chamber that still is provided with of first valve body, the inside decompression chamber gas outlet that communicates decompression chamber and valve body gas outlet that still is provided with of first valve body, the case butt blocks up the decompression chamber air inlet on the decompression chamber air inlet under the operating condition.
Preferably, a pressure regulating screw is fixedly mounted below the pressure regulating handle, a pressure regulating nut in threaded fit with the pressure regulating screw is sleeved on the pressure regulating screw, and two ends of the pressure regulating spring are respectively abutted to the pressure regulating nut and the diaphragm.
Preferably, the first filter chamber comprises a water cup, a cyclone assembly and a filter element, the water cup is detachably mounted below the valve body, the cyclone assembly is fixedly mounted at the joint of the water cup and the valve body, a plurality of inclined grooves surrounding the cyclone assembly are formed in the cyclone assembly, the filter element is fixedly mounted at the bottom end of the cyclone assembly, and vent holes communicated with the filter element and the valve body are formed in the cyclone assembly.
Preferably, the automatic drain valve comprises a plunger and a floating ball, a through hole vertically penetrating through the water cup is formed in the bottom end of the water cup, the plunger is slidably mounted in the through hole and is in clearance fit with the through hole, an annular tapered flange radially extending outwards is formed in the upper end of the plunger, the floating ball is fixedly mounted at the top end of the annular tapered flange, a drain nut is fixedly mounted at the lower end of the plunger, the drain nut is arranged on the outer side of the water cup, and a drain spring with two ends respectively abutting against the water cup and the drain nut is mounted between the water cup and the drain nut.
Preferably, the secondary filter includes transition chamber, second filter chamber and automatic drain valve that top-down connects gradually, and the transition chamber is including second valve body and second valve gap, and the second valve body communicates with air filtration relief pressure valve and oil atomizer respectively, and second valve gap fixed mounting is on the top of second valve body, and the second valve body is the same with first valve body structure, and second filter chamber is the same with first filter chamber structure, and automatic drain valve is the same with automatic drain valve structure.
Preferably, coupling assembling is including the air duct, and the air duct is provided with the air vent that runs through the air duct axis including hexagonal prism and the cylinder of setting in hexagonal prism both sides on the air duct.
Preferably, coupling assembling is still including fixture and fixture block, and a frame type mount is become with the fixture block joint to fixture block, and the air duct joint is in the middle of this frame type mount, and the upper and lower both ends of fixture all are provided with the screw hole that the level runs through fixture block.
Has the advantages that:
when compressed air enters the water cup through the air inlet of the filter chamber, the compressed air generates cyclone through a plurality of inclined grooves arranged around the cyclone assembly, particles and water vapor in the compressed air are settled downwards under the action of the cyclone, clean air rises, is filtered by the filter element and then moves into the valve body through the vent hole of the cyclone assembly, and then the clean air enters the secondary filter through the air inlet of the decompression chamber, the air outlet of the decompression chamber and the air outlet of the valve body in sequence;
the compressed air entering the secondary filter enters a second filter chamber through a transition chamber for secondary filtration, and the compressed air after secondary filtration enters an oil mist device and brings the oil mist into a pneumatic assembly for working and lubricating;
under the non-working state, the drainage nut moves downwards under the action of the resilience force of the drainage spring, so that the annular conical flange of the plunger abuts against the through hole at the bottom end of the water cup, and further sewage and air in the water cup cannot flow out; under the working state, a certain amount of sewage is accumulated in the water cup, the floating ball floats upwards under the buoyancy action of the sewage, so that the plunger overcomes the elastic force of the drainage spring to move upwards, and the sewage in the water cup flows out through a gap between the plunger and the through hole at the bottom end of the water cup.
1. The automatic drain valve is used for replacing a manual drain valve, so that the situation that when workers forget to discharge sewage, sewage enters the oil atomizer through the air filtering and reducing valve to pollute the oil atomizer can be avoided;
2. through twice filtration, the air polluted when the working personnel forget to replace the filter element can be prevented from entering the oil atomizer through the air filtering pressure reducing valve to pollute the oil atomizer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a front view of the embodiment;
FIG. 2 is a perspective view of the embodiment;
FIG. 3 is a partial sectional view of the structure of the embodiment;
FIG. 4 is a cross-sectional view of an air filter pressure relief valve according to an embodiment;
FIG. 5 is a cross-sectional view of a secondary filter of an embodiment;
FIG. 6 is an exploded perspective view of an embodiment of an air filtration relief valve;
FIG. 7 is an exploded perspective view of the secondary filter of the embodiment;
fig. 8 is an exploded perspective view of the connection assembly of the embodiment;
FIG. 9 is a partial enlarged view of the embodiment shown in FIG. 4 at A;
description of reference numerals:
the device comprises an air filtering pressure reducing valve 1, a pressure regulating chamber 1a, a valve cover 1a1, a pressure regulating handle 1a2, a pressure regulating screw 1a3, a pressure regulating nut 1a4, a pressure regulating spring 1a5, a diaphragm 1a6, a valve body 1b1, a valve core 1b2, a valve body air inlet 1b3, a filter chamber air inlet 1b4, a pressure reducing chamber air inlet 1b5, a pressure reducing chamber air outlet 1b6, a valve body air outlet 1b7, a filter chamber 1c, a water cup 1c1, a cyclone assembly 1c2, a filter core 1c3, an automatic drain valve 1d, a plunger 1d1, a floating ball 1d2, a drain nut 1d3, a drain spring 1d4, a secondary filter 2, a transition chamber 2a, a valve body 2a1, a valve cover 2, a filter chamber 2b, an automatic drain valve 2c, an oil mist device 3, a connecting assembly 4, a connecting assembly, a hexagonal prism 4a 1.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 9, an air filtering pressure reducing assembly includes an air filtering pressure reducing valve 1, a secondary filter 2, an oil mist sprayer 3, and a connecting assembly 4, the air filtering pressure reducing valve 1, secondary filter 2 and oil mist ware 3 are connected in proper order, connect through coupling assembling 4 between air filtration relief pressure valve 1 and the secondary filter 2, also connect through coupling assembling 4 between secondary filter 2 and the oil mist ware 3, air filtration relief pressure valve 1 is including the surge chamber 1a that top-down connects in proper order, valve body 1b and first filter chamber 1c, secondary filter 2 is including transition chamber 2a and second filter chamber 2b that top-down connects in proper order, valve body 1b and transition chamber 2a intercommunication, transition chamber 2a and oil mist ware 3 intercommunication, automatic drain valve 1d is installed to the bottom of first filter chamber 1c, automatic drain valve 2c is installed to the bottom of second filter chamber 2 b.
Compressed air enters the first filter chamber 1c through the valve body 1b, then the compressed air enters the transition chamber 2a after being filtered by the first filter chamber 1c, then the compressed air enters the second filter chamber 2b through the transition chamber 2a for secondary filtration, the compressed air after secondary filtration enters the oil mist device 3 and brings the oil mist into the pneumatic assembly for working and lubrication, when a certain amount of sewage is accumulated in the first filter chamber 1c, the automatic drain valve 1d is automatically started, so that the sewage accumulated in the first filter chamber 1c is discharged, and similarly, the sewage accumulated in the second filter chamber 2b can also be automatically discharged by the automatic drain valve 2 c.
The pressure regulating chamber 1a comprises a first valve cover 1a1, a pressure regulating handle 1a2, a pressure regulating spring 1a5 and a diaphragm 1a6, the pressure regulating handle 1a2 is rotatably mounted at the top end of the first valve cover 1a1, the diaphragm 1a6 is horizontally arranged and fixedly mounted at one end of the first valve cover 1a1 close to the valve body 1b, a gap is reserved between the diaphragm 1a6 and the valve body 1b, the gap between the diaphragm 1a6 and the valve body 1b is a decompression chamber, and the pressure regulating spring 1a5 is mounted between the pressure regulating handle 1a2 and the diaphragm 1a 6;
the valve body 1b comprises a first valve body 1b1 and a valve core 1b2, the first valve cover 1a1 is fixedly mounted above the first valve body 1b1, the valve core 1b2 is arranged at the middle end of the first valve body 1b1, the valve core 1b2 and the diaphragm 1a6 are fixedly connected through a vertical column, two sides of the first valve body 1b1 are provided with a valve body air inlet 1b3 and a valve body air outlet 1b7 which penetrate through the outer wall of the first valve body 1b1 and are communicated with the inside of the first valve body 1b1, a filter chamber air inlet 1b4 which is communicated with the valve body air inlet 1b3 and the first filter chamber 1c is arranged inside the first valve body 1b1, a decompression chamber air inlet 1b5 which is communicated with the decompression chamber and the first filter chamber 1c is also arranged inside the first valve body 1b1, a decompression chamber air inlet 1b 6951 b6 which is communicated with the decompression chamber and the valve body air outlet 1b7 is also arranged inside the first valve body 1b1, and the decompression chamber 5 is blocked by the valve core 56 b 8653 in an operating.
The gap between the diaphragm 1a6 and the valve body 1b is a decompression chamber, when the air pressure at the output end of the air filtering decompression valve 1 is reduced, the diaphragm 1a6 deforms downwards, so that the valve core 1b2 is driven to move downwards to open the decompression chamber air inlet 1b5, compressed air enters the first filtering chamber 1c through the valve body air inlet 1b3 and the filtering chamber air inlet 1b4 in sequence to be filtered, and then enters the valve body air outlet 1b7 through the decompression chamber air inlet 1b5 and the decompression chamber air outlet 1b6 in sequence to be discharged, when the air pressure at the output end of the air filtering decompression valve 1 rises, the diaphragm 1a6 deforms upwards, so that the valve core 1b2 is driven to move upwards to close the decompression chamber air inlet 1b5, and the compressed air cannot be transmitted through the air filtering decompression valve 1.
The lower part of the pressure regulating handle 1a2 is fixedly provided with a pressure regulating screw 1a3, the pressure regulating screw 1a3 is sleeved with a pressure regulating nut 1a4 which is in threaded fit with the pressure regulating screw 1a3, and two ends of a pressure regulating spring 1a5 are respectively abutted against the pressure regulating nut 1a4 and the diaphragm 1a 6.
The pressure regulating screw 1a3 rotates along with the pressure regulating handle 1a2, the pressure regulating nut 1a4 is abutted to the pressure regulating spring 1a5 and cannot rotate, so that the pressure regulating nut 1a4 moves up and down under the action of the thread of the pressure regulating screw 1a3, the pressure regulating spring 1a5 can be compressed or loosened through the up and down movement of the pressure regulating nut 1a4, and a worker can adjust the pressure of the pressure regulating spring 1a5 on the diaphragm 1a6 by rotating the pressure regulating handle 1a 2.
The first filter chamber 1c comprises a water cup 1c1, a cyclone assembly 1c2 and a filter element 1c3, the water cup 1c1 is detachably arranged below the valve body 1b, the cyclone assembly 1c2 is fixedly arranged at the joint of the water cup 1c1 and the valve body 1b, a plurality of inclined grooves surrounding the cyclone assembly 1c2 are arranged on the cyclone assembly 1c2, the filter element 1c3 is fixedly arranged at the bottom end of the cyclone assembly 1c2, and vent holes communicating the filter element 1c3 with the valve body 1b are arranged on the cyclone assembly 1c 2.
When the compressed air enters the water cup 1c1 through the air inlet 1b4 of the filter chamber, the compressed air generates cyclone through a plurality of inclined grooves arranged around the cyclone component 1c2, particles and water vapor in the compressed air are settled downwards under the action of the cyclone, clean air rises and is filtered by the filter core 1c3 and then moves to the valve body 1b through the vent hole of the cyclone component 1c2, and then the clean air enters the decompression chamber through the air inlet 1b5 of the decompression chamber.
The automatic drain valve 1d comprises a plunger 1d1 and a floating ball 1d2, the bottom end of a water cup 1c1 is provided with a through hole vertically penetrating through a water cup 1c1, a plunger 1d1 is slidably mounted in the through hole, a plunger 1d1 is in clearance fit with the through hole, the upper end of a plunger 1d1 is provided with a ring-shaped conical flange extending radially outwards, a floating ball 1d2 is fixedly mounted at the top end of the ring-shaped conical flange, the lower end of the plunger 1d1 is fixedly mounted with a drain nut 1d3, a drain nut 1d3 is arranged outside the water cup 1c1, and a drain spring 1d4 is mounted between the water cup 1c1 and the drain nut 1d3, and two ends of the drain spring abut against the water cup 1c1 and the drain nut.
Under the non-working state, the drain nut 1d3 moves downwards under the resilience force of the drain spring 1d4, so that the annular conical flange of the plunger 1d1 abuts against the through hole at the bottom end of the water cup 1c1, and sewage and air in the water cup 1c1 cannot flow out; under the working state, a certain amount of sewage is accumulated in the water cup 1c1, the floating ball 1d2 floats upwards under the buoyancy action of the sewage, so that the plunger 1d1 overcomes the elastic force of the drainage spring 1d4 to move upwards, and the sewage in the water cup 1c1 flows out through a gap between the plunger 1d1 and the through hole at the bottom end of the water cup 1c 1.
The secondary filter 2 comprises a transition chamber 2a, a second filter chamber 2b and an automatic drain valve 2c which are sequentially connected from top to bottom, the transition chamber 2a comprises a second valve body 2a1 and a second valve cover 2a2, the second valve body 2a1 is respectively communicated with the air filtering pressure reducing valve 1 and the oil mist device 3, the second valve cover 2a2 is fixedly installed at the top end of the second valve body 2a1, the second valve body 2a1 is identical to the first valve body 1b1 in structure, the second filter chamber 2b is identical to the first filter chamber 1c in structure, and the automatic drain valve 2c is identical to the automatic drain valve 1d in structure.
The principle of the first filter chamber 1c is the same, compressed air enters the secondary filter 2 through the air filtering pressure reducing valve 1 and then is filtered in the second filter chamber 2b for the second time, and therefore the situation that contaminated air enters pneumatic equipment due to the fact that workers forget to replace the filter element 1c3 is avoided.
The connecting assembly 4 comprises an air duct 4a, the air duct 4a comprises a hexagonal prism 4a1 and cylinders 4a2 arranged on two sides of the hexagonal prism 4a1, and the air duct 4a is provided with an air vent penetrating through the axis of the air duct 4 a.
The connecting component 4 is positioned between the air filtering pressure reducing valve 1 and the secondary filter 2, two sides of a hexagonal prism 4a1 of the connecting component are respectively abutted against the air filtering pressure reducing valve 1 and the secondary filter 2, and a cylinder 4a2 is respectively in threaded connection with the air filtering pressure reducing valve 1 and the secondary filter 2;
in the connection unit 4 located between the secondary filter 2 and the oil mist device 3, both sides of the hexagonal prism 4a1 are respectively abutted against the secondary filter 2 and the oil mist device 3, and the cylindrical body 4a2 is respectively screwed with the secondary filter 2 and the oil mist device 3.
Coupling assembling 4 is still including fixture 4b and fixture block 4c, and fixture 4b and fixture block 4c joint become a frame type mount, and air duct 4a joint is in the middle of this frame type mount, and fixture 4 b's upper and lower both ends all are provided with the screw hole that the level runs through fixture 4 b.
The air duct 4a is fixed through fixture 4b and fixture block 4c joint, and the staff can fix fixture 4b on certain fixed work piece through the screw hole at both ends about fixture 4b, use the bolt to fix whole filtration pressure reduction subassembly on certain fixed work piece.
The working principle is as follows:
when the compressed air enters the water cup 1c1 through the air inlet 1b4 of the filter chamber, the compressed air generates cyclone through a plurality of inclined grooves arranged around the cyclone component 1c2, particles and water vapor in the compressed air are settled downwards under the action of the cyclone, clean air rises, is filtered by the filter element 1c3 and then moves to the valve body 1b through the vent hole of the cyclone component 1c2, and then the clean air enters the secondary filter 2 through the air inlet 1b5 of the decompression chamber, the air outlet 1b6 of the decompression chamber and the air outlet 1b7 of the valve body in sequence;
the compressed air entering the secondary filter 2 enters a second filter chamber 2b through a transition chamber 2a for secondary filtration, and the compressed air after secondary filtration enters an oil mist sprayer 3 and brings oil mist into a pneumatic assembly for working and lubricating;
under the non-working state, the drain nut 1d3 moves downwards under the resilience force of the drain spring 1d4, so that the annular conical flange of the plunger 1d1 abuts against the through hole at the bottom end of the water cup 1c1, and sewage and air in the water cup 1c1 cannot flow out; under the working state, a certain amount of sewage is accumulated in the water cup 1c1, the floating ball 1d2 floats upwards under the buoyancy action of the sewage, so that the plunger 1d1 overcomes the elastic force of the drainage spring 1d4 to move upwards, and the sewage in the water cup 1c1 flows out through a gap between the plunger 1d1 and the through hole at the bottom end of the water cup 1c 1.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. An air filtration pressure relief assembly characterized by: comprises an air filtering pressure reducing valve (1), a secondary filter (2), an oil mist device (3) and a connecting assembly (4), wherein the air filtering pressure reducing valve (1), the secondary filter (2) and the oil mist device (3) are sequentially connected, the air filtering pressure reducing valve (1) and the secondary filter (2) are connected through the connecting assembly (4), the secondary filter (2) and the oil mist device (3) are also connected through the connecting assembly (4), the air filtering pressure reducing valve (1) comprises a pressure regulating chamber (1 a), a valve body (1 b) and a first filter chamber (1 c) which are sequentially connected from top to bottom, the secondary filter (2) comprises a transition chamber (2 a) and a second filter chamber (2 b) which are sequentially connected from top to bottom, the valve body (1 b) is communicated with the transition chamber (2 a), the transition chamber (2 a) is communicated with the oil mist device (3), a first automatic drain valve (1 d) is installed at the bottom end of the first filter chamber (1 c), the bottom end of the second filter chamber (2 b) is provided with a second automatic drain valve (2 c);
the pressure regulating chamber (1 a) comprises a first valve cover (1 a 1), a pressure regulating handle (1 a 2), a pressure regulating spring (1 a 5) and a diaphragm (1 a 6), the pressure regulating handle (1 a 2) is rotatably installed at the top end of the first valve cover (1 a 1), the diaphragm (1 a 6) is horizontally arranged and fixedly installed at one end, close to the valve body (1 b), of the first valve cover (1 a 1), a gap is reserved between the diaphragm (1 a 6) and the valve body (1 b), the gap between the diaphragm (1 a 6) and the valve body (1 b) is a decompression chamber, and the pressure regulating spring (1 a 5) is installed between the pressure regulating handle (1 a 2) and the diaphragm (1 a 6);
the valve body (1 b) comprises a first valve body (1 b 1) and a valve core (1 b 2), the first valve cover (1 a 1) is fixedly installed above the first valve body (1 b 1), the valve core (1 b 2) is arranged at the middle end of the first valve body (1 b 1), the valve core (1 b 2) is fixedly connected with a diaphragm (1 a 6) through a vertical column, two sides of the first valve body (1 b 1) are provided with a valve body air inlet (1 b 3) and a valve body air outlet (1 b 638) which penetrate through the outer wall of the first valve body (1 b 1) and are communicated with the inside of the first valve body (1 b 1), a filter chamber air inlet (1 b 4) communicated with the valve body air inlet (1 b 3) and the first filter chamber (1 c) is arranged inside the first valve body (1 b 1), a decompression chamber (1 b 84 b 68642) communicated with a decompression chamber and the first filter chamber (1 c) is further arranged inside the first valve body (1 b 1), a decompression chamber (1 b 4642) is further provided with a decompression chamber air outlet (461 b 6), a valve body (1 b 2) abuts against the decompression chamber air inlet (1 b 5) in an operating state and blocks the decompression chamber air inlet (1 b 5);
the first filter chamber (1 c) comprises a water cup (1 c 1), a cyclone component (1 c 2) and a filter element (1 c 3), the water cup (1 c 1) is detachably mounted below the valve body (1 b), the cyclone component (1 c 2) is fixedly mounted at the joint of the water cup (1 c 1) and the valve body (1 b), a plurality of inclined grooves surrounding the cyclone component (1 c 2) are formed in the cyclone component (1 c 2), the filter element (1 c 3) is fixedly mounted at the bottom end of the cyclone component (1 c 2), and vent holes communicating the filter element (1 c 3) with the valve body (1 b) are formed in the cyclone component (1 c 2);
the first automatic drain valve (1 d) comprises a plunger (1 d 1) and a floating ball (1 d 2), a through hole vertically penetrating through a water cup (1 c 1) is formed in the bottom end of the water cup (1 c 1), the plunger (1 d 1) is slidably mounted in the through hole, the plunger (1 d 1) is in clearance fit with the through hole, an annular tapered flange extending outwards in the radial direction is arranged at the upper end of the plunger (1 d 1), the floating ball (1 d 2) is fixedly mounted at the top end of the annular tapered flange, a drain nut (1 d 3) is fixedly mounted at the lower end of the plunger (1 d 1), the drain nut (1 d 3) is arranged on the outer side of the water cup (1 c 1), and a drain spring (1 d 4) is mounted between the water cup (1 c 1) and the drain nut (1 d 3), and two ends of the drain spring are respectively abutted to the water cup (1 c 1) and the drain nut (.
2. An air filtration pressure relief assembly according to claim 1, wherein: the pressure regulating screw (1 a 3) is fixedly installed below the pressure regulating handle (1 a 2), the pressure regulating screw (1 a 3) is sleeved with a pressure regulating nut (1 a 4) in threaded fit with the pressure regulating screw (1 a 3), and two ends of the pressure regulating spring (1 a 5) are respectively abutted to the pressure regulating nut (1 a 4) and the diaphragm (1 a 6).
3. An air filtration pressure relief assembly according to claim 2, wherein: the secondary filter (2) comprises a transition chamber (2 a) connected in sequence from top to bottom, a second filter chamber (2 b) and a second automatic drain valve (2 c), the transition chamber (2 a) comprises a second valve body (2 a 1) and a second valve cover (2 a 2), the second valve body (2 a 1) is communicated with the air filtering pressure reducing valve (1) and the oil mist device (3) respectively, the second valve cover (2 a 2) is fixedly installed at the top end of the second valve body (2 a 1), the second valve body (2 a 1) is identical in structure to the first valve body (1 b 1), the second filter chamber (2 b) is identical in structure to the first filter chamber (1 c), and the second automatic drain valve (2 c) is identical in structure to the first automatic drain valve (1 d).
4. An air filtration pressure relief assembly according to claim 1, wherein: the connecting assembly (4) comprises an air duct (4 a), the air duct (4 a) comprises a hexagonal prism body (4 a 1) and cylinders (4 a 2) arranged on two sides of the hexagonal prism body (4 a 1), and the air duct (4 a) is provided with an air vent penetrating through the axis of the air duct (4 a).
5. An air filtration pressure relief assembly according to claim 4, wherein: the connecting assembly (4) further comprises a clamping device (4 b) and a clamping block (4 c), the clamping device (4 b) and the clamping block (4 c) are clamped into a frame-shaped fixing frame, the air guide pipe (4 a) is clamped in the middle of the frame-shaped fixing frame, and the upper end and the lower end of the clamping device (4 b) are provided with threaded holes which horizontally penetrate through the clamping device (4 b).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040330.6A CN109681494B (en) | 2019-01-16 | 2019-01-16 | Air filtration decompression assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910040330.6A CN109681494B (en) | 2019-01-16 | 2019-01-16 | Air filtration decompression assembly |
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| CN109681494A CN109681494A (en) | 2019-04-26 |
| CN109681494B true CN109681494B (en) | 2020-12-08 |
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| CN201910040330.6A Active CN109681494B (en) | 2019-01-16 | 2019-01-16 | Air filtration decompression assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112945349A (en) * | 2021-02-03 | 2021-06-11 | 浙江厚德气动元件有限公司 | Pneumatic triple piece of automatic drainage of real-time supervision water level |
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| TW481224U (en) * | 2001-08-24 | 2002-03-21 | Shako Co Ltd | Structure improvement for pneumatic adjustment component |
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| CN201277435Y (en) * | 2008-10-17 | 2009-07-22 | 中国石化股份胜利油田分公司孤岛采油厂 | Automatic water discharging valve for gas circuit excess water |
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| CN109681494A (en) | 2019-04-26 |
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Application publication date: 20190426 Assignee: Ningbo Xinjiaxing Import and Export Co.,Ltd. Assignor: Ningbo New Jiaxing Automatic Industry Co.,Ltd. Contract record no.: X2023330000497 Denomination of invention: An air filtration and pressure reducing component Granted publication date: 20201208 License type: Common License Record date: 20230808 |
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