CN112177906A - Small-sized oxygen-increasing air pump - Google Patents

Abstract

The invention aims to provide a small-sized oxygen increasing air pump. The working principle is as follows: a coil is arranged in an annular fixed magnetic field gap formed by the magnet and the magnetizer, and when the coil is switched on with alternating current, the coil and the coil framework can drive the pump diaphragm to generate axial reciprocating motion in the pump body under the interaction of the fixed magnetic field and the alternating magnetic field; the coil framework is connected with the pump diaphragm provided with the diaphragm connecting frame through the multifunctional connecting frame, the central part of the multifunctional connecting frame is also provided with a centering shaft, the inner magnetizer is provided with a centering shaft sleeve, and the centering shaft is inserted into the centering shaft sleeve to realize the centering of the coil and the coil framework; the air compressed by the matching of the pump diaphragm, the air inlet valve and the exhaust valve can be continuously output from the shell exhaust pipe during working, the air inlet channel and the exhaust outlet are respectively provided with an air inlet pipe bag silencer and an exhaust pipe bag silencer, and the shock absorber consists of a shock absorber assembly support, a shock absorber rubber body and a shock absorber shell support, so that the oxygenation air pump assembly is suspended in the shell.

Description

Small-sized oxygen-increasing air pump

Technical Field

The invention relates to an oxygenation air pump, in particular to a small oxygenation air pump.

Background

At present, the small-sized oxygen-increasing air pump is of a motor-driven type, a piezoelectric ceramic type and more electromagnetic driving types, and compared with the existing small-sized oxygen-increasing air pump, the small-sized oxygen-increasing air pump is large in size, low in efficiency and small in pressure.

Disclosure of Invention

The invention aims to provide a small-sized oxygen increasing air pump, which has the working principle that: a coil with a framework is placed in a fixed magnetic field gap formed by a magnet and a magnetizer, when the coil is switched on with alternating current, the coil can generate an alternating magnetic field, under the interaction of the fixed magnetic field and the alternating magnetic field, the coil can be sucked or pushed out along with the power frequency to generate axial reciprocating motion, and a pump diaphragm connected with a multifunctional connecting frame and the coil framework can also generate synchronous motion in a pump body. The coil framework is fixed with the multifunctional connecting frame, the central part of the multifunctional connecting frame is also provided with a centering shaft, the inner magnetizer is provided with a centering shaft sleeve, and the centering shaft is inserted into the centering shaft sleeve to realize the centering of the coil and the coil framework; the other side of the multifunctional connecting frame is fixed with a pump diaphragm through a diaphragm connecting frame, and the pump diaphragm adopts a double-wave design, so that the power consumption can be reduced, and the efficiency of the pump can be improved; the multifunctional connecting frame is also provided with a coil vent hole, so that resistance and noise generated during the movement of the coil can be reduced; the coil and the coil framework are suspended in the magnetic field gap by the pump diaphragm, the centering shaft and the centering shaft sleeve; the air inlet valve and the air outlet valve are provided with an integrated valve which is convenient to install, small in resistance when opened, small in noise, small in size and good in sealing; when the coil is sucked, the diaphragm in the pump body is pulled out, the air inlet valve is opened, the air outlet valve is closed, air enters the inner shell cavity of the pump body through the air inlet pipe bag silencer, the air inlet channel on the outer magnetizer, the gap between the magnet and the magnetizer, the gaps between the coil and the coil framework as well as the inner magnetizer and the outer magnetizer, the coil vent hole, and then enters the pump chamber through the air inlet pipe and the air inlet valve, and the volume of the pump chamber is increased; when the coil is pushed out, the diaphragm is pushed into the pump body, the air inlet valve is closed, the air outlet valve is opened, the volume of the pump chamber is reduced, and compressed air is continuously output from the shell air outlet pipe through the air outlet valve and the air outlet pipe bag silencer. The arrangement of the air inlet path is beneficial to taking away weak heat generated on the coil; the air inlet pipe bag silencer and the air outlet pipe bag silencer can effectively reduce noise generated by aerodynamic force; the shock absorber formed by the shock absorber assembly support, the shock absorber rubber body and the shock absorber shell support can enable the oxygenation air pump assembly to be suspended in the shell, the shock absorber is good in elasticity and has a good buffering effect, and axial vibration generated by the coil and the diaphragm is reduced and absorbed to the greatest extent. The oxygen-increasing air pump has small volume, large pressure and high efficiency.

The technical scheme of the invention is as follows: the electromagnetic driving part consists of a cylindrical magnet, an outer magnetizer and an inner magnetizer, and an annular high-intensity magnetic field gap is formed between the magnet and the magnetizer. The outer magnetizer is hollow and cylindrical, the bottom side surface of the outer magnetizer is provided with an air inlet channel, and the cylindrical magnet is arranged in the outer magnetizer; the inner magnetizer is in a thick disc shape, has a diameter larger than that of the cylindrical magnet, is arranged above the cylindrical magnet, and the coil with the framework is arranged in the high-intensity magnetic field gap. The coil framework is fixed with the multifunctional connecting frame, the multifunctional connecting frame is provided with coil vent holes, and the coil framework is made of insulating metal composite materials and is beneficial to temperature conduction and emission; the center part of the multifunctional connecting frame is also provided with a centering shaft, the centers of the cylindrical magnet and the inner magnetizer are provided with holes, a centering shaft sleeve is also arranged around the inner magnetizer hole, and the centering shaft is inserted into the centering shaft sleeve to realize the centering of the coil and the coil framework; the centering shaft and the centering shaft sleeve are made of metal or nonmetal materials, and the centering shaft sleeve can also be made of two different materials, namely metal and nonmetal materials, and the materials are wear-resistant and low in noise. The tail end of the inner shell of the pump body is fixed with the outer magnetizer, the pump diaphragm adopts a double-wave design, the central hole of the pump diaphragm is embedded into the diaphragm connecting frame and then is arranged in the pump shell at the front end of the inner shell of the pump body, a screw penetrates through the diaphragm connecting frame to fix the pump diaphragm on the multifunctional connecting frame, then the pump end cover provided with an air inlet valve and an air outlet valve is tightly combined with the pump diaphragm in the pump shell at the front end of the inner shell of the pump body to form an air pump part, and the pump end cover is locked by a 7-shaped; after the pump body inner shell is combined with the front end of the outer magnetizer and the pump end cover, the electromagnetic driving part and the air pump part are sealed together to form an oxygenation air pump assembly, and the noise generated by electromagnetic vibration is subjected to primary shielding; the coil and the coil framework are supported and suspended in a magnetic field gap by a centering shaft, a centering shaft sleeve and a pump diaphragm, so that the first-stage damping is realized while the power is output and the noise is reduced; an air inlet pipe bag silencer and an air outlet pipe bag silencer are respectively arranged on the air inlet channel and the air outlet pipeline; the adopted integrated valves are respectively embedded in an air inlet valve and an air outlet valve on the pump end cover; the shock absorber is composed of a shock absorber assembly support, a shock absorber rubber body and a shock absorber shell support, the oxygenation air pump assembly is connected with the shell through 3-8 shock absorbers, so that the oxygenation air pump assembly is suspended in the shell, and secondary shock absorption is realized; the bottom of the shell is provided with an air inlet with a filtering device, and the shell with good sealing can carry out secondary shielding on noise generated by electromagnetic vibration; and the rubber foot pad at the bottom of the shell is used for damping the third pole.

The invention relates to a small-sized oxygenation air pump which comprises an outer shell, an outer magnetizer, an inner magnetizer, a cylindrical magnet, an air inlet channel, a coil framework, a coil, an air inlet pipe bag silencer, a coil vent hole, a multifunctional connecting frame, a pump body inner shell, a pump diaphragm, an air outlet pipe bag silencer, a pump end cover, an exhaust valve, an integrated valve, an air inlet pipe, a screw, a diaphragm connecting frame, a centering shaft sleeve, a shock absorber assembly support, a shock absorber rubber body and a shock absorber outer shell support. The outer magnetizer, the cylindrical magnet and the inner magnetizer are combined to form an annular high-intensity magnetic field gap; the side surface of the bottom of the outer magnetizer is provided with the air inlet channel; the coil is arranged on the coil framework, and the coil framework is fixed with the multifunctional connecting frame and is arranged in the annular high-intensity magnetic field gap; the centering shaft is fixed with the multifunctional connecting frame, the centers of the cylindrical magnet and the inner magnetizer are provided with holes, a centering shaft sleeve is also arranged around the inner magnetizer hole, and the centering shaft is inserted into the centering shaft sleeve to realize the centering of the coil and the coil framework; the tail end of the inner shell of the pump body is fixed with the outer magnetizer; a diaphragm connecting frame is embedded in a central hole of the pump diaphragm, and the pump diaphragm is arranged in a pump shell at the front end of an inner shell of the pump body; the screw penetrates through the diaphragm connecting frame hole to fix the pump diaphragm and the multifunctional connecting frame; the pump end cover is provided with the air inlet valve and the exhaust valve, and the valve bodies in the air inlet valve and the exhaust valve are all the integrated valves; the pump end cover is tightly combined with the pump diaphragm in the pump shell at the front end of the pump body inner shell and then locked by a 7-shaped head on the pump body inner shell to form an air pump part; the air inlet pipe is arranged between the air inlet valve and the pump body inner shell, is arranged at the front end of the pump body inner shell and is not in the same direction with the air inlet channel; the air inlet channel is provided with the air inlet pipe bag silencer, and the outlet of the exhaust valve is provided with the exhaust pipe bag silencer; after the tail end of the inner shell of the pump body is combined with the front end of the outer magnetizer, the electromagnetic driving part and the air pump part are sealed together to form an oxygen-increasing air pump assembly; the vibration absorber is composed of a vibration absorber assembly support, a vibration absorber rubber body and a vibration absorber shell support, and the oxygen increasing air pump assembly is connected with the shell through 3-8 vibration absorbers so as to enable the oxygen increasing air pump assembly to be suspended in the shell.

The center part of the multifunctional connecting frame is provided with a centering shaft, the centers of the cylindrical magnet and the inner magnetizer are provided with holes, and the center hole of the cylindrical magnet can be a full hole which is punched or a half hole which is not punched; the aperture of the inner magnetizer can be larger than or the same as that of the cylindrical magnet, a centering shaft sleeve is arranged in the aperture, and the centering shaft is inserted into the centering shaft sleeve to realize the centering of the coil and the coil framework; the centering shaft and the centering shaft sleeve are made of metal or nonmetal materials, and the centering shaft sleeve can also be made of two different materials, namely metal and nonmetal materials, and the materials are wear-resistant and low in noise.

The multifunctional connecting frame is provided with the coil vent holes, the coil vent holes are surrounded between the center of the multifunctional connecting frame and the coil framework, and the number and the shape of the holes are not limited; the multifunctional connecting frame and one surface fixed by the diaphragm connecting frame are convex outwards, and threads are arranged in a central hole of the convex part.

The diaphragm link is spool form, and the diameter of groove slightly is greater than the diameter of pump diaphragm centre bore, the width in groove slightly is less than the thickness around the pump diaphragm centre bore, the embedding of diaphragm link behind the pump diaphragm hole, will combine firmly, sealed, the screw of diaphragm link penetrate the end, will with the screw is identical.

The pump diaphragm is in a double-wave type, has a section similar to a sine wave period, is made of rubber with good elasticity and fatigue resistance, a central hole of the pump diaphragm is embedded into the diaphragm connecting frame, and the periphery of the pump diaphragm is matched with the pump end cover at the front end of the inner shell of the pump body.

The integrated valve is made of rubber or silica gel and is formed in one step, and a valve plate of the integrated valve is in a natural closing state in a normal state; the main part of valve has the air vent like a little spool, axial direction, and one side diameter and the thickness of groove all are greater than the opposite side, the valve block of integrative valve establishes this one side, the one end of valve block links to each other with the main part, and the valve block mid portion is outstanding hemisphere form, and the diameter of hemisphere form is greater than the air vent, and the air vent is identical with the concave part of valve block semicircle sphere form of air vent and valve block semicircle sphere form of cooperation department, and the mid portion of valve block does not adopt outstanding semicircle sphere form but the sheet face, also be the plane with air vent complex concave part, groove and opposite side, be used for with integrative valve embedding on the pump end cover the admission valve in the mounting hole of discharge valve, the diameter in the groove slightly is greater than the admission valve the mounting hole of discharge valve, the width of groove slightly is less than the admission valve the thickness around the discharge.

The structure of the air inlet pipe bag silencer and the structure of the air exhaust pipe bag silencer are the same, the structure of the pipe bag is that two pipes are inserted into the bag from two ends and extend inwards in the bag, one end of the air inlet pipe bag silencer is connected with the air inlet channel, the other end of the air inlet pipe bag silencer is fixed in the pump body inner shell, one end of the air exhaust pipe bag silencer is connected with the outlet of the air exhaust valve, and the other end of the air exhaust pipe bag silencer is connected with the air exhaust pipe.

The shock absorber assembly bracket, the shock absorber rubber body and the shock absorber shell bracket form shock absorbers, the number of the shock absorbers can be 3-8, 3 shock absorbers are shown in the figure, and 1 group of 3 shock absorbers, or 4 shock absorbers, or 2 groups of 6 shock absorbers, or 8 shock absorbers can be used on one pump; the shock absorber assembly bracket and the shock absorber shell bracket are L-shaped with mushroom heads and are respectively fixed with the oxygenation air pump assembly and the shell; the middle width of the rubber body of the shock absorber is equal, two ends of the rubber body are semicircular, the middle of the rubber body of the shock absorber is provided with two round holes which are respectively sleeved on the bracket of the shock absorber assembly and the bracket of the shell of the shock absorber, the shapes of the connection area between the two holes, the middle of the two holes are partially hollowed, and the hollowed parts are not limited, and the mushroom head shape can prevent the rubber body of the shock absorber from sliding out.

The coil and the coil bobbin are supported by the centering shaft, the centering shaft sleeve and the pump diaphragm to be suspended in a magnetic field gap.

Drawings

FIG. 1 is a front view

FIG. 2 is a view A-A of FIG. 1

FIG. 3 is a view from B-B of FIG. 1

FIG. 4 is a view C of FIG. 1

FIG. 5 is a view from E of FIG. 4

FIG. 6 is a view D of FIG. 1

FIG. 7 is a view from direction F of FIG. 6

A housing-1; an outer magnetizer-2; an inner magnetizer-3; a cylindrical magnet-4; an air inlet passage-5; a coil framework-6; a coil-7; an air inlet pipe bag silencer-8; coil vent-9; a multifunctional connecting frame-10; a pump body inner shell-11; pump diaphragm-12; an exhaust pipe bag silencer-13; pump end cap-14; an exhaust valve-15; an integral valve-16; an air inlet valve-17; an inlet pipe-18; screw-19; a membrane connecting frame-20; a centering shaft-21; a centering sleeve-22; a shock absorber assembly support-23; a damper rubber body-24; shock absorber housing bracket-25.

Detailed Description

Example (b): as shown in fig. 1, 2, 3, 4, 5, 6 and 7, a small-sized oxygen-enriched air pump, wherein a coil 7 is arranged on a coil frame 6, the coil frame 6 is fixed on a multifunctional connecting frame 10 and is arranged in a strong magnetic field gap formed by combining an outer magnetizer 2, a cylindrical magnet 4 and an inner magnetizer 3, a centering shaft 21 is fixed at the center of the multifunctional connecting frame 10 and around a hole of the inner magnetizer 3, a centering shaft sleeve 22 is arranged, the centering shaft 21 is inserted into the centering shaft sleeve 22 to realize centering of the coil 7 and the coil frame 6, the side surface of the bottom of the outer magnetizer 2 is provided with an air inlet channel 5, a coil vent hole 9 is arranged on the multifunctional connecting frame 10, a pump body inner shell 11 is fixed with the outer magnetizer 2, a diaphragm connecting frame 20 is embedded in a center hole of a pump diaphragm 12 and is arranged in a pump shell at the front end of the pump body inner shell 11, a screw 19 penetrates through the hole of the diaphragm connecting, an exhaust valve 15 and an intake valve 17 are arranged on a pump end cover 14, an integrated valve 16 is respectively arranged in the exhaust valve 15 and the intake valve 17, an intake pipe bag silencer 8 is connected with an intake passage 5, an exhaust pipe bag silencer 13 is connected with an outlet of the exhaust valve, a damper assembly support 23, a damper rubber body 24 and a damper shell support 25 form a damper, and the damper shell support 25 is fixed with a shell 1.

Claims (8)

1. The small-sized oxygenation air pump comprises an outer shell, an outer magnetizer, an inner magnetizer, a cylindrical magnet, an air inlet channel, a coil framework, a coil, an air inlet pipe bag silencer, a coil vent hole, a multifunctional connecting frame, a pump body inner shell, a pump diaphragm, an air outlet pipe bag silencer, a pump end cover, an exhaust valve, an integrated valve, an air inlet pipe, a screw, a diaphragm connecting frame, a centering shaft sleeve, a shock absorber assembly support, a shock absorber rubber body and a shock absorber outer shell support; the outer magnetizer, the cylindrical magnet and the inner magnetizer are combined to form an annular high-intensity magnetic field gap; the side surface of the bottom of the outer magnetizer is provided with the air inlet channel; the coil is arranged on the coil framework, and the coil framework is fixed with the multifunctional connecting frame and is arranged in the annular high-intensity magnetic field gap; the centering shaft is fixed with the multifunctional connecting frame, the centers of the cylindrical magnet and the inner magnetizer are provided with holes, a centering shaft sleeve is also arranged around the inner magnetizer hole, and the centering shaft is inserted into the centering shaft sleeve to realize the centering of the coil and the coil framework; the tail end of the inner shell of the pump body is fixed with the outer magnetizer; a diaphragm connecting frame is embedded in a central hole of the pump diaphragm, and the pump diaphragm is arranged in a pump shell at the front end of an inner shell of the pump body; the screw penetrates through the diaphragm connecting frame hole to fix the pump diaphragm and the multifunctional connecting frame; the pump end cover is provided with the air inlet valve and the exhaust valve, and the valve bodies in the air inlet valve and the exhaust valve are all the integrated valves; the pump end cover is tightly combined with the pump diaphragm in the pump shell at the front end of the pump body inner shell and then locked by a 7-shaped head on the pump body inner shell to form an air pump part; the air inlet pipe is arranged between the air inlet valve and the pump body inner shell, is arranged at the front end of the pump body inner shell and is not in the same direction with the air inlet channel; the air inlet channel is provided with the air inlet pipe bag silencer, and the outlet of the exhaust valve is provided with the exhaust pipe bag silencer; after the tail end of the inner shell of the pump body is combined with the front end of the outer magnetizer, the electromagnetic driving part and the air pump part are sealed together to form an oxygen-increasing air pump assembly; the vibration absorber is composed of a vibration absorber assembly support, a vibration absorber rubber body and a vibration absorber shell support, and the oxygen increasing air pump assembly is connected with the shell through 3-8 vibration absorbers so as to enable the oxygen increasing air pump assembly to be suspended in the shell.

2. The small-sized oxygen-increasing air pump according to claim 1, wherein a centering shaft is provided at the center of the multi-functional connecting frame, holes are provided at the center of the cylindrical magnet and the center of the inner magnetizer, and the center hole of the cylindrical magnet may be a full hole which is perforated or a half hole which is not perforated; the aperture of the inner magnetizer can be larger than or the same as that of the cylindrical magnet, a centering shaft sleeve is arranged in the aperture, and the centering shaft is inserted into the centering shaft sleeve to realize the centering of the coil and the coil framework; the centering shaft and the centering shaft sleeve are made of metal or nonmetal materials, and the centering shaft sleeve can also be made of two different materials, namely metal and nonmetal materials, and the materials are wear-resistant and low in noise.

3. The small-sized oxygen-increasing air pump according to claim 1, wherein the multifunctional connecting frame is provided with the coil vent holes, the coil vent holes are arranged around the center of the multifunctional connecting frame and the coil frame, and the number and the shape of the holes are not limited; the multifunctional connecting frame and one surface fixed by the diaphragm connecting frame are convex outwards, and threads are arranged in a central hole of the convex part.

4. The small-sized oxygen-enriched air pump according to claim 1, wherein the pump diaphragm is made of rubber with good elasticity and fatigue resistance, and has a double-wave type cross section similar to a cycle of a sine wave, the center hole of the pump diaphragm is embedded in the diaphragm connecting frame, and the periphery of the pump diaphragm is matched with the pump end cover at the front end of the pump body inner shell.

5. The small-sized oxygen-increasing air pump according to claim 1, wherein the integrated valve is made of rubber or silica gel and is formed in one step, and a valve plate of the integrated valve is in a natural closing state in a normal state; the main part of valve has the air vent like a little spool, axial direction, and one side diameter and the thickness of groove all are greater than the opposite side, the valve block of integrative valve establishes this one side, the one end of valve block links to each other with the main part, and the valve block mid portion is outstanding hemisphere form, and the diameter of hemisphere form is greater than the air vent, and the air vent is identical with the concave part of valve block semicircle sphere form of air vent and valve block semicircle sphere form of cooperation department, and the mid portion of valve block does not adopt outstanding semicircle sphere form but the sheet face, also be the plane with air vent complex concave part, groove and opposite side, be used for with integrative valve embedding on the pump end cover the admission valve in the mounting hole of discharge valve, the diameter in the groove slightly is greater than the admission valve the mounting hole of discharge valve, the width of groove slightly is less than the admission valve the thickness around the discharge.

6. The small-sized oxygen-increasing air pump according to claim 1, wherein the air inlet bag silencer and the air outlet bag silencer are identical in structure, the tube bag is structured such that two tubes are inserted into the bag from both ends and extend inwards in the bag, one end of the air inlet bag silencer is connected with the air inlet channel, the other end of the air inlet bag silencer is fixed in the inner shell of the pump body, one end of the air outlet bag silencer is connected with the outlet of the air outlet valve, and the other end of the air outlet bag silencer is connected with the air outlet pipe on the outer shell.

7. The small-sized oxygen-enriched air pump as claimed in claim 1, wherein the vibration damper assembly support, the vibration damper rubber body and the vibration damper housing support constitute vibration dampers, the number of which is 3 to 8, 3 shown in the figure, and 1 group of 3, 4, 2 groups of 6 or 8 can be used on one pump; the shock absorber assembly bracket and the shock absorber shell bracket are L-shaped with mushroom heads and are respectively fixed with the oxygenation air pump assembly and the shell; the middle width of the rubber body of the shock absorber is equal, two ends of the rubber body are semicircular, the middle of the rubber body of the shock absorber is provided with two round holes which are respectively sleeved on the bracket of the shock absorber assembly and the bracket of the shell of the shock absorber, the shapes of the connection area between the two holes, the middle of the two holes are partially hollowed, and the hollowed parts are not limited, and the mushroom head shape can prevent the rubber body of the shock absorber from sliding out.

8. The miniature oxygenation air pump of claim 1, wherein the coil and coil armature are suspended in a magnetic field gap supported by the centering shaft, centering sleeve and pump diaphragm.

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