CN104895771A - Micro submersible diaphragm pump - Google Patents
Micro submersible diaphragm pump Download PDFInfo
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- CN104895771A CN104895771A CN201410086291.0A CN201410086291A CN104895771A CN 104895771 A CN104895771 A CN 104895771A CN 201410086291 A CN201410086291 A CN 201410086291A CN 104895771 A CN104895771 A CN 104895771A
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- upper cover
- water
- pump
- diaphragm
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Abstract
The invention discloses a micro submersible diaphragm pump. The micro submersible diaphragm pump comprises an upper cover, a shell, a bottom cover, a water pump and a direct current motor, wherein the shell is connected with the upper cover and the bottom cover; the direct current motor is connected with the water pump; the shell comprises an outer shell and an inner shell; the outer shell is provided with a shell water outlet channel; a shell connecting base is arranged at the upper part of the inner shell; the upper cover comprises an upper cover outer shell and an upper cover inner shell; the upper cover outer shell is provided with an upper cover water outlet channel; the upper cover water outlet channel is connected with the shell water outlet channel; the inner shell fits the upper cover inner shell; the end of the motor at an output end of the direct current motor is sealed with a pump body of the water pump; a lead hole is formed in the top of the upper cover; a power supply lead enters a cavity of the upper cover inner shell from the lead hole; a micro switch is arranged in the upper cover inner shell, and connects or disconnects a circuit control device; the power supply lead is connected with the direct current motor by the micro switch and the circuit control device; and a water inlet grid port is formed in the lower part of the bottom cover. The micro submersible diaphragm pump is light in mass, excellent in tightness and convenient in power supply matching; and the motor is stopped from operating after the outlet water is closed, so that the electric consumption is low.
Description
Technical field
The present invention relates to pump technology field, particularly relate to a kind of miniature submersible ability of swimming diaphragm pump.
Background technique
The vehicle-washing device of prior art adopts high-pressure service pump as water supply power source, and wherein high-pressure water pump is arranged on below water tank, and the defect that this high-pressure water pump exists is that manufacture cost is high, and volume is large, carries inconvenience.The water pump of prior art adopts water pump overload structure of relief valve simultaneously, and after water outlet is closed, motor is still remaining in operation, and adds energy consumption, and can handling difference.
Summary of the invention
Object of the present invention is exactly to solve prior art above shortcomings; A kind of miniature submersible ability of swimming diaphragm pump is provided; Compact structure of the present invention, adopt structure, the good airproof performance of integral sealing, the supporting convenience of power supply, can directly render in water, switch on power, water outlet just can export the water with certain pressure, is used for carwash and the health such as kitchen guarding, door and window to clean and clean, and also can render in other liquid, fruit tree crop is sprayed, the present invention closes rear motor power-off immediately in water outlet and shuts down, and convenient manipulation, power consumption is low.
To achieve these goals, the present invention adopts following technological scheme:
A kind of miniature submersible ability of swimming diaphragm pump, comprise upper cover, housing, bottom, water pump, direct current generator, housing respectively with upper cover bottom, bottom top connects, the pto＝power take-off of direct current generator is connected with water pump, described housing comprises housing shell, housing inner casing, housing inner casing is located in the inner chamber of housing shell, be connected inside housing shell with outside housing inner casing, housing shell is provided with housing exhalant canal, housing connecting base is provided with in the middle of housing inner casing top, described upper cover comprises upper cover shell, upper cover inner casing, upper cover inner casing is located in the inner chamber of upper cover shell, the top of upper cover inner casing is connected with the side inwall of upper cover shell, upper cover shell opposite side is provided with upper cover exhalant canal, the lower end of upper cover exhalant canal is connected with the upper end of housing exhalant canal, the top of housing inner casing coordinates with the lower seal of upper cover inner casing, seal between the motor end of direct current generator output terminal and pump body, described upper tops is provided with the wire guide be communicated with upper cover inner casing cavity, described wire guide is cone surface shape, cone seal plug is provided with in wire guide, the power lead be connected with direct current generator enters upper cover inner casing cavity from the endoporus of cone seal plug, the endoporus of power lead and cone seal plug is sealed and matched, the power lead outer cover at cone seal plug place has power lead sheath, sensitive switch is provided with in described upper cover inner casing cavity, described sensitive switch is connected with power lead, the circuit control device controlling sensitive switch connecting and disconnecting is provided with in upper cover inner casing cavity, circuit control device is connected with housing connecting base, circuit control device is connected with power lead, be connected with a wiring terminal of direct current generator after power lead is connected with sensitive switch, another wiring terminal of direct current generator is connected with wire, bottom bottom is provided with into water grid mouth.
Described circuit control device comprises switch base, spring housing, spring seat, decompression circle, pressure-reducing pad, pressure limiting spring is provided with in spring housing, pressure limiting spring top is connected with spring seat, spring housing bottom coordinates with the upper grooves of pressure-reducing pad, spring seat top coordinates with pressure limiting tip of screw, pressure limiting screw is connected with the tapped hole in the middle of switch base top, sensitive switch groove is provided with on the right side of switch base, sensitive switch is located in sensitive switch groove, the recess hole that wherein two wiring terminals of both sides, sensitive switch top protrude upward sensitive switch groove is connected with power lead, sensitive switch contact in the middle of sensitive switch bottom coordinates with the upper-end surface of the intermediate lands of spring housing, the centre of upper-end surface of decompression circle coordinates with the lower end surface of the intermediate lands of spring housing, the upper-end surface at the outer rim place of decompression circle coordinates with the groove lower end surface at endoporus place, switch base bottom, decompression circle lower end surface coordinates with the upper-end surface of pressure-reducing pad.
Housing inner casing upper-end surface outer rim is provided with housing inner casing groove, housing shell is provided with attachment hole on housing shell inside upper end, be connected inside housing shell with outside housing inner casing, upper cover shell attachment hole is provided with inside upper cover shell, lower end surface and the housing inner casing groove of upper cover inner casing are sealed and matched, and on housing shell, attachment hole coordinates with upper cover shell attachment hole.
Housing connecting base comprises the outer rim junction surface be connected with upper cover, outer rim junction surface is provided with attachment hole, housing upper cavity is provided with in the middle of housing connecting base, upper cavity boss is provided with in the middle of housing upper cavity, the upper grooves protruding housing upper cavity lower inner surface is provided with between housing upper cavity and outer rim junction surface, the housing groove be provided with in upper grooves is upwards protruding, pressure-reducing pad groove is provided with inside the lower end surface outer rim of pressure-reducing pad, housing groove projection and pressure-reducing pad groove fit, the lower end surface outer rim of pressure-reducing pad coordinates with upper grooves, the lower end surface of switch base is connected with housing connecting base by attachment hole, the lower end surface intermediate tie of upper cavity boss and pressure-reducing pad, described housing upper cavity is connected by pressure limiting device connecting passage with between housing exhalant canal, pressure limiting device connecting passage is through housing inner casing.
Described water pump comprises the pump housing, connecting rod, the front and rear side lid be connected with both sides before and after the pump housing, the diaphragm be connected with connecting rod, the described pump housing comprises the second junction surface be connected with housing, the top pump housing groove coordinated with the external cylindrical surface end face of direct current generator output terminal, the middle crank-guide way that can hold connecting rod, front and rear side lid fixed base, pump housing osculum, pump housing water channel, diaphragm mounting groove is provided with inside front and rear side lid fixed base, sealing gasket is provided with in pump housing groove, front and rear side lid fixed base side is provided with pump housing osculum, pump housing water channel is connected with pump housing osculum, pump housing water channel is connected with housing exhalant canal lower end, second junction surface is provided with the second attachment hole, second junction surface is connected with lower housing portion by attachment screw one, crank-guide way both sides are provided with motor attachment hole, the lower end surface of direct current generator is connected with connecting plate for electric motor, connecting plate for electric motor is provided with connecting plate tapped hole, direct current generator passes through connecting plate for electric motor, attachment screw two, motor attachment hole is connected with the pump housing.
Pump housing water channel exterior edge face is provided with exhalant canal groove, is provided with water pump water channel sealing gasket in exhalant canal groove.Housing exhalant canal lower end and pump housing water channel exterior edge face realize sealing by exhalant canal groove and water pump water channel sealing gasket, and sealing is reliable.
Front and rear side lid comprises limit lid junction surface, limit lid water-inlet cavity, limit lid water outlet, limit lid junction surface is provided with limit bezel ring, connected in star, limit lid junction surface centre be provided with suction hole, suction hole is connected with limit lid water-inlet cavity, suction hole is provided with water feeding one-way valve, limit lid water-inlet cavity is communicated with limit lid water outlet, and limit lid water outlet is connected with the water one-way valve fitting seat that goes out of diaphragm.
Described diaphragm comprises junction surface, diaphragm inner chamber in the middle of junction surface in diaphragm, the outer junction surface of diaphragm, diaphragm, goes out water one-way valve fitting seat, and diaphragm inner chamber is communicated with the water one-way valve fitting seat endoporus that goes out going out water one-way valve fitting seat.The one-way valve seat going out water one-way valve with go out water one-way valve fitting seat and coordinate, the outer junction surface of diaphragm coordinates with limit bezel ring, connected in star, in the middle of diaphragm, junction surface is the contiguous block thickeied, contiguous block is provided with diaphragm attachment hole, diaphragm attachment hole is cone shape hole, diaphragm inner chamber coordinates with limit lid water-inlet cavity, the pump housing groove fit of junction surface and the pump housing in diaphragm, and diaphragm adopts soft plastic to make.
The Compress Spring supporting base that water one-way valve coordinates is provided with out in pump housing osculum, Compress Spring supporting base coordinates with the Compress Spring going out water one-way valve, two end faces of pump housing osculum are provided with the pump housing second groove, diaphragm go out water one-way valve fitting seat and the pump housing second groove fit; Described go out water one-way valve comprise inner elements of check valve, one-way valve seat, Compress Spring, one-way valve seat with go out water one-way valve fitting seat inner hole, inner elements of check valve coordinates with one-way valve bore, goes out inside water one-way valve fitting seat endoporus and is provided with interior resonator end surface, is provided with intracavity through hole in the middle of interior resonator end surface; Described one-way valve seat comprises the cylindrical hole, the boss hole that are connected, and the external cylindrical surface of cylindrical hole coordinates with intracavity through hole, and boss hole external cylindrical surface coordinates with one-way valve fitting seat inwall, and boss hole outer cylinder end face coordinates with interior resonator end surface; Inner elements of check valve comprises intermediate lands, the axis of guide, spring fixed end, the intermediate lands of spring fixed end side is provided with intermediate groove, described intermediate groove coordinates with Compress Spring end, and the axis of guide coordinates with one-way valve seat endoporus one, and intermediate lands end face coordinates with one-way valve seat end face.
Connecting rod comprises connecting rod shank, the two ends of connecting rod shank are provided with connecting rod shaft, centre is provided with connecting rod intermediate hole, direct current generator output shaft is provided with eccentric wheel, eccentric wheel is provided with bearing, connecting rod intermediate hole is connected with bearing, connecting rod shaft is connected with diaphragm attachment hole, and direct current generator output shaft is provided with equilibrium block, to offset the vibration of capacity eccentric bearing when rotating.The end of described connecting rod shaft is conical surface structure, and cone structure coordinates with the cone shape hole of connecting rod, is coordinated with the cone shape hole of connecting rod by the conical surface of connecting rod shaft, connects reliable, easy accessibility.Described connecting rod intermediate hole comprises the RI circular arc portion be connected, RII circular arc portion, straight line LI part, LII part, its cathetus LI part, LII part is respectively near the both sides of connecting rod shaft, RI circular arc portion, RII circular arc portion is positioned at away from the both sides near connecting rod shaft, RI circular arc portion, the symmetry center of connecting rod is departed from the center of circle of RII circular arc portion respectively, and the respective center of circle is positioned at respective circular arc side, described straight line LI part, LII part coordinates with bearing top circle face, direct current generator when rotated, capacity eccentric bearing all the time with straight line LI part, LII part contact coordinates, capacity eccentric bearing all the time with RI circular arc portion, there is the gap corresponding with bearing throw of eccentric in RII circular arc portion.
Described motor attachment hole is step hole, wherein step hole is provided with rubber exhaust plug at the outside macropore of attachment screw two bottom, rubber exhaust plug can play seal action, anti-sealing enters the pump housing, inner high temperature and high pressure gas can be discharged during pump chamber pressure height simultaneously, the heat produced when being run by motor is discharged from here, condense into aqueous corrosion motor after preventing motor entering water or hot gas cooling, reduce bearing and pump body temperature, improve working life.
Be provided with groove inside the water inlet grid mouth of described bottom, be provided with filter in groove, described filter adopts and filters sponge.Water inlet grid mouth is provided with sponge filter screen, filters, prevents water pump or gun hole blocking to the water entered.
The axis of described wire guide overlaps with the shaft axis of upper cover shell, the shaft axis of upper cover inner casing and the shaft axis eccentric setting of upper cover shell.Make direct current generator, circuit control device and overall water outlet compact structure, decrease machine volume and quality.
The cylindrical of the waterexit end of upper cover exhalant canal is provided with circular groove, is provided with seal ring in circular groove.Upper cover exhalant canal lower end and housing exhalant canal upper end are tightly connected; Described bottom upper end is provided with internal thread, housing lower end is provided with outside thread, and bottom upper end is connected by internal thread and outside thread with housing lower end.The two is threaded connection, spins together, and is convenient to screw off bottom with hand from housing, the filtration sponge in cleaning water inlet grid mouth.
Beneficial effect of the present invention:
1. the present invention is by between upper cover inner casing, housing inner casing, between cone seal plug and wire guide, between the motor end of the pump housing and direct current generator 2 output terminal and the sealing of water pump inside, the present invention is made to form an airtight fluid-tight seal space, ensure that direct current generator and output shaft are in sealing state, avoid the Damage by Short Circuit that outside liquid enters the direct current generator that sealing space causes, compact structure of the present invention, good airproof performance, as long as just can use there being the place of water, adopt the DC power supply of 12V or 24V, or powered by automobile cigarette lighter, the supporting convenience of power supply, can directly render in water, switch on power, water outlet just can export the water with certain pressure, be used for carwash and kitchen guarding, the health cleanings such as door and window are clean, also can render in other liquid, fruit tree crop is sprayed, whole water pump of the present invention adopts the structure of integral sealing, prevent outside water from entering in the housing of complete machine, complete machine directly can be immersed in the water, motor and each connecting circuit all have sealing, prevent inner inlet from damaging, the present invention closes rear motor power-off immediately in water outlet and shuts down, convenient manipulation, power consumption is low.
2. adopt the circuit control device being provided with in enclosed space and controlling sensitive switch connecting and disconnecting, pressure in water channel can by connecting the channeling of pressure limiting device on pressure-reducing pad, when water outlet is closed suddenly, water channel pressure rise suddenly the pressure limiting pressure reaching setting time, pressure-reducing pad overcomes the pressure of presetting pressure limiting spring, promotion spring housing moves to be depressed the contact of sensitive switch, the normally-closed contact of sensitive switch is opened, because the connection wire of motor power is connected on sensitive switch, now breakage of circuit is opened and is stopped power supply, water pump shuts down, pressure is limited in a safety range, when water outlet reopens, manifold pressure reduces, spring housing is depressed by pressure limiting spring again, the contact of sensitive switch is unclamped, revert to normally off, motor entry into service.Startup and the shutdown of motor just can be controlled at any time, easily by the switch of water outlet.
3. water pump of the present invention is provided with upper and lower two active chambers, and working state is contrary, expands, two cavity alternations below when compressing above, and water-outlet quantity is large, improves working efficiency.
4. inlet valve described in adopts the soft inlet valve chip architecture of diaphragm type, reliable operation, and structural volume is compact, overcomes in prior art the bulky problem being provided with special water-inlet cavity and existing.
5. be provided with venting plug in pump housing endoporus, not only can prevent into water, but also motor can be run time the heat that produces discharge from here, condense into aqueous corrosion motor after preventing motor entering water or hot gas cooling.
6. be provided with groove inside the water inlet grid mouth of bottom, adopt in groove and filter sponge and the water entered is filtered, prevents water pump or gun hole blocking.
7. power line entrance is round taper hole, is provided with cone seal plug in round taper hole, and cone seal plug and power line entrance, power line sheath are sealed and matched, and sealing is reliable, avoids the problem of easy seepage between component fitting surface.The waterexit end of upper cover exhalant canal is provided with circular groove, is provided with O-ring seals in circular groove, good with outer water tube joint tighness, avoids the leakage between interface, increases work efficiency, avoids water waste.
8. bottom upper end is threaded with housing lower end, and the two is threaded connection, spin together, and is easy for installation and removal, is convenient to screw off bottom with hand from housing, the filtration sponge in cleaning water inlet grid mouth.
9. housing, the pump housing, upper cover, switch base, spring seat adopt PA66-GF30; Diaphragm, inner elements of check valve, pressure-reducing pad adopt TPV elastomer; Connecting rod, one-way valve seat adopt POM; Front and rear side lid, spring housing, decompression circle adopt PPS; Bottom adopts PP; Venting plug, water feeding one-way valve adopt nitrile butadiene rubber; Cone seal plug adopts PVC; Spring adopts stainless steel spring wire; Screw adopts stainless steel.Adopt these materials make overall mass light, meet the high and water displacement usage requirement of water outlet efficiency, component have again required intensity and toughness, ensure working life and reliability.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 2;
Fig. 5 is the structural representation of switch base;
Fig. 6 is the A-A sectional view of Fig. 5;
Fig. 7 is pump body structure schematic diagram;
Fig. 8 is the plan view of Fig. 7;
Fig. 9 is the A-A sectional view of Fig. 7;
Figure 10 is the B-B sectional view of Fig. 7;
Figure 11 is the structural representation of housing;
Figure 12 is the A-A sectional view of Figure 11;
Figure 13 is the B-B sectional view of Figure 11;
Figure 14 is the structural representation of upper cover;
Figure 15 is the A-A sectional view of Figure 14;
The structural representation of Figure 16 front and rear side lid;
Figure 17 is the A-A sectional view of Figure 16;
Figure 18 is the structural representation of diaphragm;
Figure 19 is the A-A sectional view of Figure 18;
Figure 20 is one-way valve structures schematic diagram;
Figure 21 is one-way valve seat structural representation;
Figure 22 is spring housing structural representation;
Figure 23 is the A-A sectional view of Figure 22;
Figure 24 is bar linkage structure schematic diagram;
Figure 25 is the A-A sectional view of Figure 24;
Figure 26 is pressure-reducing pad structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
Composition graphs 1 to Figure 26, a kind of miniature submersible ability of swimming diaphragm pump, comprise upper cover 1, housing 3, bottom 5, water pump, direct current generator 2, housing 3 respectively with upper cover 1 bottom, bottom 5 top connects, the pto＝power take-off of direct current generator 2 is connected with water pump, described housing 3 comprises housing shell 301, housing inner casing 302, housing inner casing 302 is located in the inner chamber of housing shell 301, be connected by housing connecting plate 314 with outside housing inner casing inside housing shell, housing shell is provided with housing exhalant canal 35, housing connecting base 303 is provided with in the middle of housing inner casing 302 top, described upper cover 1 comprises upper cover shell 1001, upper cover inner casing 1002, upper cover inner casing 1002 is located in the inner chamber of upper cover shell, the top of upper cover inner casing 1001 is connected with the side inwall of upper cover shell 1002, upper cover shell 1002 opposite side is provided with upper cover exhalant canal 11, the lower end of upper cover exhalant canal 11 is connected with the upper end of housing exhalant canal 35, the top of housing inner casing 302 coordinates with the lower seal of upper cover inner casing 1002, seal between the motor end of direct current generator 2 output terminal and pump body 41, described upper cover 1 top is provided with the wire guide 1004 be communicated with upper cover inner casing cavity 1003, described wire guide 1004 is cone surface shape, cone seal plug 13 is provided with in wire guide, the power lead be connected with direct current generator enters upper cover inner casing cavity 1003 from the endoporus of cone seal plug 13, power lead 15 is sealed and matched with the endoporus of cone seal plug 13, power lead 15 outer cover at cone seal plug 13 place has power lead sheath 12, sensitive switch 171 is provided with in described upper cover inner casing cavity 1003, described sensitive switch 171 is connected with power lead 15, the circuit control device controlling sensitive switch 171 connecting and disconnecting is provided with in upper cover inner casing cavity 1003, circuit control device is connected with housing connecting base 303, circuit control device is connected with power lead 15, be connected with a wiring terminal of direct current generator after power lead 15 is connected with sensitive switch, another wiring terminal of direct current generator is connected with wire 16, bottom 5 bottom is provided with into water grid mouth 51.The axis of described wire guide overlaps with the shaft axis of upper cover shell, the shaft axis of upper cover inner casing and the shaft axis eccentric setting of upper cover shell.
The described pump housing 41 is provided with venting plug 416 in the endoporus of attachment screw 2 22 bottom.Venting plug 416 both can prevent into water, and the heat produced when motor can be run again is discharged from here, condensed into aqueous corrosion motor after preventing motor entering water or hot gas cooling.Be provided with groove inside the water inlet grid mouth 51 of described bottom 5, be provided with filter in groove, described filter adopts and filters sponge 52.Water inlet grid mouth 51 is provided with sponge filter screen, filters, prevents water pump or gun hole blocking to the water entered.
The cylindrical of the waterexit end 111 of upper cover exhalant canal 11 is provided with circular groove, is provided with O-ring seals 14 in circular groove.Upper cover exhalant canal 11 lower end and housing exhalant canal 35 upper end are tightly connected by sealing gasket 32; Described bottom 5 upper end is provided with internal thread, housing lower end is provided with outside thread, and bottom upper end is connected by internal thread and outside thread with housing lower end.The two is threaded connection, spins together, and is convenient to screw off bottom with hand from housing, the filtration sponge in cleaning water inlet grid mouth.
Described circuit control device comprises switch base 179, spring housing 173, spring seat 177, decompression circle 174, pressure-reducing pad 175, pressure limiting spring 178 is provided with in spring housing 173, pressure limiting spring 178 top is connected with spring seat 177, spring housing 173 bottom coordinates with the upper grooves 1751 of pressure-reducing pad 175, spring seat 177 top coordinates with pressure limiting screw 176 end, pressure limiting screw 176 is connected with the tapped hole in the middle of switch base 179 top, sensitive switch groove 1791 is provided with on the right side of switch base 179, sensitive switch 171 is located in sensitive switch groove 179I, the recess hole 1795 that wherein two wiring terminals of both sides, sensitive switch 171 top protrude upward sensitive switch groove 1791 is connected with power lead 15, sensitive switch contact 172 in the middle of sensitive switch 171 bottom coordinates with the upper-end surface 1731 of the intermediate lands of spring housing 173, the centre of upper-end surface of decompression circle 174 coordinates with the lower end surface 1732 of the intermediate lands of spring housing 173, the upper-end surface 1741 at the outer rim place of decompression circle 174 coordinates with the groove lower end surface 1792 at endoporus place, switch base 179 bottom, decompression circle 174 lower end surface 1742 coordinates with the upper-end surface 1752 of pressure-reducing pad 175.
Housing inner casing upper-end surface outer rim is provided with housing inner casing groove 3021, attachment hole 3011 on housing shell is provided with inside housing shell upper end, be connected by stiffening rib inside housing shell with outside housing inner casing, upper cover shell attachment hole 1011 is provided with inside upper cover shell, lower end surface and the housing inner casing groove 3021 of upper cover inner casing are sealed and matched by upper sealing cushion for cover 31, and on housing shell, attachment hole 3011 coordinates with upper cover shell attachment hole 1011.Outer rim place, described housing shell 301 upper-end surface is provided with housing outer casing groove 115 in addition, and upper cover shell lower end surface is inserted in housing outer casing groove.
Housing connecting base 303 comprises the outer rim junction surface 112 be connected with upper cover 1, outer rim junction surface 112 is provided with attachment hole 113, housing upper cavity 101 is provided with in the middle of housing connecting base 303, upper cavity boss 103 is provided with in the middle of housing upper cavity 101, the upper grooves 114 protruding housing upper cavity 101 lower inner surface is provided with between housing upper cavity 101 and outer rim junction surface 112, housing groove projection 102 is upwards provided with in upper grooves 114, pressure-reducing pad groove 1754 is provided with inside the lower end surface outer rim of pressure-reducing pad 175, housing groove protruding 102 coordinates with pressure-reducing pad groove 1754, the lower end surface outer rim 1753 of pressure-reducing pad 175 coordinates with upper grooves 114, the lower end surface 1792 of switch base 179 is connected with housing connecting base 303 by attachment hole 113, lower end surface 1755 intermediate tie of upper cavity boss 103 and pressure-reducing pad, described housing upper cavity 101 is connected by pressure limiting device connecting passage 33 with between housing exhalant canal 35, pressure limiting device connecting passage 33 is through housing inner casing 302.
Described water pump comprises the pump housing 41, connecting rod 415, the front and rear side lid 46 be connected with both sides before and after the pump housing 41, the diaphragm 418 be connected with connecting rod 415, the described pump housing comprises the second junction surface 4612 be connected with housing 3, the top pump housing groove 4601 coordinated with the external cylindrical surface end face of direct current generator output terminal, the middle crank-guide way 4602 that can hold connecting rod, front and rear side lid fixed base 4603, pump housing osculum 4604, pump housing water channel 4605, diaphragm mounting groove 4606 is provided with inside front and rear side lid fixed base 4603, sealing gasket 44 is provided with in pump housing groove 4601, front and rear side lid fixed base 4603 side is provided with pump housing osculum 4604, pump housing water channel 4605 is connected with pump housing osculum 4604, pump housing water channel 4605 is connected with housing exhalant canal 35 lower end, second junction surface 4612 is provided with the second attachment hole 4607, second junction surface is connected with lower housing portion by attachment screw 1, crank-guide way 4602 both sides are provided with motor attachment hole 4609, the lower end surface 211 of direct current generator is connected with connecting plate for electric motor 21, connecting plate for electric motor 21 is provided with connecting plate tapped hole, direct current generator is by connecting plate for electric motor 21, attachment screw 2 22, motor attachment hole 4609 is connected with the pump housing.Described motor attachment hole 4609 is step hole, wherein the outside macropore of step hole is provided with rubber exhaust plug 416, rubber exhaust plug 416 can play seal action, anti-sealing enters the pump housing, inner high temperature and high pressure gas can be discharged during pump chamber pressure height simultaneously, reduce bearing and pump body temperature, improve working life.
Pump housing water channel 4605 exterior edge face is provided with exhalant canal groove 4610, is provided with water pump water channel sealing gasket 426 in exhalant canal groove 4610.Housing exhalant canal 35 lower end and pump housing water channel 4605 exterior edge face realize sealing by exhalant canal groove and water pump water channel sealing gasket 426, and sealing is reliable.
Front and rear side lid 46 comprises limit lid junction surface 466, limit lid water-inlet cavity 45, limit lid water outlet 468, limit lid junction surface is provided with limit bezel ring, connected in star 467, limit lid junction surface centre be provided with suction hole 461, suction hole 461 is connected with limit lid water-inlet cavity 45, suction hole 461 is provided with water feeding one-way valve 419, limit lid water-inlet cavity 45 is communicated with limit lid water outlet 468, and limit lid water outlet 468 is connected with the water one-way valve fitting seat 4185 that goes out of diaphragm.
Described diaphragm 418 comprises junction surface 4183, diaphragm inner chamber 4184 in the middle of junction surface 4181 in diaphragm, the outer junction surface 4182 of diaphragm, diaphragm, goes out water one-way valve fitting seat 4185, and diaphragm inner chamber 4184 is communicated with the water one-way valve fitting seat endoporus 4188 that goes out going out water one-way valve fitting seat 4185.The one-way valve seat 420 going out water one-way valve with go out water one-way valve fitting seat 4185 and coordinate, the outer junction surface 4182 of diaphragm coordinates with limit bezel ring, connected in star 467, in the middle of diaphragm, junction surface 4183 is the contiguous block 4186 thickeied, contiguous block 4186 is provided with diaphragm attachment hole 4187, diaphragm attachment hole 4187 is cone shape hole, diaphragm inner chamber 4184 coordinates with limit lid water-inlet cavity 45, and in diaphragm, junction surface 4181 coordinates with the pump housing groove 4606 of the pump housing 41.
The Compress Spring supporting base 4608 that water one-way valve coordinates is provided with out in pump housing osculum 4604, Compress Spring supporting base 4608 coordinates with the Compress Spring 422 going out water one-way valve, two end faces of pump housing osculum 4604 are provided with the pump housing second groove 4613, and the water one-way valve fitting seat 4185 that goes out of diaphragm 418 coordinates with the pump housing second groove 4613; Described go out water one-way valve comprise inner elements of check valve 421, one-way valve seat 420, Compress Spring 422, one-way valve seat 420 with go out water one-way valve fitting seat endoporus 4188 and coordinate, inner elements of check valve 421 coordinates with one-way valve bore, go out inside water one-way valve fitting seat endoporus 4188 and be provided with interior resonator end surface 4189, in the middle of interior resonator end surface 4189, be provided with intracavity through hole 4190; Described one-way valve seat comprises the cylindrical hole 4201, the boss hole 4202 that are connected, the external cylindrical surface 4204 of cylindrical hole coordinates with intracavity through hole 4190, boss hole external cylindrical surface 4203 coordinates with one-way valve fitting seat inwall 4191, and boss hole outer cylinder end face 4205 coordinates with interior resonator end surface 4189; Inner elements of check valve 421 comprises intermediate lands 4211, the axis of guide 4212, spring fixed end 4213, the intermediate lands of spring fixed end 4213 side is provided with intermediate groove 4214, described intermediate groove 4214 coordinates with Compress Spring 422 end, the axis of guide 4212 coordinates with one-way valve seat endoporus 1, and intermediate lands end face 4215 coordinates with one-way valve seat end face 4206.
Connecting rod 415 comprises connecting rod shank 4151, the two ends of connecting rod shank are provided with connecting rod shaft 4152, centre is provided with connecting rod intermediate hole 4153, direct current generator output shaft 24 is provided with eccentric wheel 412, eccentric wheel 412 is provided with bearing 414, connecting rod intermediate hole 4153 is connected with bearing 414, connecting rod shaft is connected with diaphragm attachment hole 4187, and direct current generator output shaft is provided with equilibrium block, to offset the vibration of capacity eccentric bearing when rotating.The end of described connecting rod shaft 4152 is conical surface 4154 structure, and cone structure coordinates with the cone shape hole of connecting rod, is coordinated with the cone shape hole of connecting rod by the conical surface of connecting rod shaft, connects reliable, easy accessibility.Described connecting rod intermediate hole 4153 comprises the RI circular arc portion be connected, RII circular arc portion, straight line LI part, LII part, its cathetus LI part, LII part is respectively near the both sides of connecting rod shaft 4152, RI circular arc portion, RII circular arc portion is positioned at away from the both sides near connecting rod shaft 4152, RI circular arc portion, the symmetry center of connecting rod is departed from the center of circle of RII circular arc portion respectively, and the respective center of circle is positioned at respective circular arc side, described straight line LI part, LII part coordinates with bearing top circle face 4155, direct current generator when rotated, capacity eccentric bearing all the time with straight line LI part, LII part contact coordinates, capacity eccentric bearing all the time with RI circular arc portion, there is the gap 4156 corresponding with bearing throw of eccentric in RII circular arc portion.
Housing of the present invention, the pump housing, upper cover, switch base, spring seat adopt PA66-GF30 (two 6 nylon add 30% glass); Diaphragm, inner elements of check valve, pressure-reducing pad adopt TPV elastomer; Connecting rod, one-way valve seat adopt POM (polyoxymethylene); Front and rear side lid, spring housing, decompression circle adopt PPS (polyphenylene sulfide); Bottom adopts PP (polypropylene); Venting plug, water feeding one-way valve adopt nitrile butadiene rubber; Cone seal plug adopts PVC (PVC＝polyvinyl chloride); Spring adopts stainless steel spring wire; Screw adopts stainless steel.The employing of these materials ensures that overall mass is light on the one hand, meet the high and water displacement usage requirement of water outlet efficiency, and component have again required intensity and toughness, ensure working life and reliability.
Water pump of the present invention can directly be rendered in water, switches on power, and water outlet just can export the water with certain pressure, is used for carwash and the health such as kitchen guarding, door and window to clean and clean.Also can render in other liquid, fruit tree crop is sprayed.Working principle: water pump is dropped in liquid, liquid makes the limit of water pump lid be immersed in the water through water inlet grid mouth and filtration sponge, switch on power, direct current generator operates, motor output shaft is provided with bearing, due to eccentric wheel and motor decentraction, there is offset, swing up and down when bearing is rotated with motor, thus drivening rod and diaphragm move up and down, the volume of active chamber is made constantly to reduce and expand, during expansion, active chamber produces negative pressure, soft water inlet valve block is inhaled and opens, water is inhaled into active chamber from water sucking mouth, during compression, fluid pressure raises, soft nonreturn valve core is backed down, liquid is pressed into water chamber, liquid ejects along water channel from water outlet, water outlet adopts and connects mode soon, the injecting-unit such as liquid-transport pipe-line and hydraulic giant can be accessed fast and carry out operation.
Pressure in water channel can by connecting the channeling of pressure limiting device on pressure-reducing pad, when water outlet is closed suddenly, water channel pressure rise suddenly the pressure limiting pressure reaching setting time, pressure-reducing pad overcomes the pressure of presetting pressure limiting spring, promotion spring housing moves to be depressed the contact of sensitive switch, the normally-closed contact of sensitive switch is opened, because the connection wire of motor power is connected on sensitive switch, now breakage of circuit is opened and is stopped power supply, water pump shuts down, pressure is limited in a safety range, when water outlet reopens, manifold pressure reduces, spring housing is depressed by pressure limiting spring again, the contact of sensitive switch is unclamped, revert to normally off, motor entry into service.Startup and the shutdown of motor just can be controlled by the switch of water outlet.
Water pump of the present invention is provided with upper and lower two active chambers, and working state is contrary, expands, two cavity alternations below when compressing above, and water-outlet quantity is large, and working efficiency is high.The present invention closes rear motor power-off immediately in water outlet and shuts down, and convenient manipulation, power consumption is low.Whole water pump of the present invention adopts the structure of integral sealing, and prevent outside water from entering in the housing of complete machine, therefore complete machine directly can be immersed in the water, motor and each connecting circuit all have sealing, prevent inner inlet from damaging.Compact structure of the present invention simultaneously, as long as there is being the place of water just can use, power supply is being powered by automobile cigarette lighter.
By reference to the accompanying drawings the embodiment of invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (9)
1. a miniature submersible ability of swimming diaphragm pump, comprise upper cover, housing, bottom, water pump, direct current generator, housing respectively with upper cover bottom, bottom top connects, the pto＝power take-off of direct current generator is connected with water pump, described housing comprises housing shell, housing inner casing, housing inner casing is located in the inner chamber of housing shell, be connected inside housing shell with outside housing inner casing, housing shell is provided with housing exhalant canal, housing connecting base is provided with in the middle of housing inner casing top, described upper cover comprises upper cover shell, upper cover inner casing, upper cover inner casing is located in the inner chamber of upper cover shell, the top of upper cover inner casing is connected with the side inwall of upper cover shell, upper cover shell opposite side is provided with upper cover exhalant canal, the lower end of upper cover exhalant canal is connected with the upper end of housing exhalant canal, the top of housing inner casing coordinates with the lower seal of upper cover inner casing, seal between the motor end of direct current generator output terminal and pump body, described upper tops is provided with the wire guide be communicated with upper cover inner casing cavity, described wire guide is cone surface shape, cone seal plug is provided with in wire guide, the power lead be connected with direct current generator enters upper cover inner casing cavity from the endoporus of cone seal plug, the endoporus of power lead and cone seal plug is sealed and matched, sensitive switch is provided with in described upper cover inner casing cavity, described sensitive switch is connected with power lead, the circuit control device controlling sensitive switch connecting and disconnecting is provided with in upper cover inner casing cavity, circuit control device is connected with housing connecting base, circuit control device is connected with power lead, be connected with a wiring terminal of direct current generator after power lead is connected with sensitive switch, another wiring terminal of direct current generator is connected with wire, bottom bottom is provided with into water grid mouth.
2. miniature submersible ability of swimming diaphragm pump as claimed in claim 1, it is characterized in that, described circuit control device comprises switch base, spring housing, spring seat, decompression circle, pressure-reducing pad, pressure limiting spring is provided with in spring housing, pressure limiting spring top is connected with spring seat, spring housing bottom coordinates with the upper grooves of pressure-reducing pad, spring seat top coordinates with pressure limiting tip of screw, pressure limiting screw is connected with the tapped hole in the middle of switch base top, sensitive switch groove is provided with on the right side of switch base, sensitive switch is located in sensitive switch groove, the recess hole that wherein two wiring terminals of both sides, sensitive switch top protrude upward sensitive switch groove is connected with power lead, sensitive switch contact in the middle of sensitive switch bottom coordinates with the upper-end surface of the intermediate lands of spring housing, the centre of upper-end surface of decompression circle coordinates with the lower end surface of the intermediate lands of spring housing, the upper-end surface at the outer rim place of decompression circle coordinates with the groove lower end surface at endoporus place, switch base bottom, decompression circle lower end surface coordinates with the upper-end surface of pressure-reducing pad,
Described housing connecting base comprises the outer rim junction surface be connected with upper cover, outer rim junction surface is provided with attachment hole, housing upper cavity is provided with in the middle of housing connecting base, upper cavity boss is provided with in the middle of housing upper cavity, the upper grooves protruding housing upper cavity lower inner surface is provided with between housing upper cavity and outer rim junction surface, the housing groove be provided with in upper grooves is upwards protruding, pressure-reducing pad groove is provided with inside the lower end surface outer rim of pressure-reducing pad, housing groove projection and pressure-reducing pad groove fit, the lower end surface outer rim of pressure-reducing pad coordinates with upper grooves, the lower end surface of switch base is connected with housing connecting base by attachment hole, the lower end surface intermediate tie of upper cavity boss and pressure-reducing pad, described housing upper cavity is connected by pressure limiting device connecting passage with between housing exhalant canal, pressure limiting device connecting passage is through housing inner casing.
3. as miniature submersible ability of swimming diaphragm pump that claim 2 is stated, it is characterized in that, housing inner casing upper-end surface outer rim is provided with housing inner casing groove, housing shell is provided with attachment hole on housing shell inside upper end, be connected inside housing shell with outside housing inner casing, be provided with upper cover shell attachment hole inside upper cover shell, lower end surface and the housing inner casing groove of upper cover inner casing are sealed and matched, and on housing shell, attachment hole coordinates with upper cover shell attachment hole.
4. as claim 1, 2, miniature submersible ability of swimming diaphragm pump described in 3 any one, it is characterized in that, described water pump comprises the pump housing, connecting rod, the front and rear side lid be connected with both sides before and after the pump housing, the diaphragm be connected with connecting rod, the described pump housing comprises the second junction surface be connected with housing, the top pump housing groove coordinated with the external cylindrical surface end face of direct current generator output terminal, the middle crank-guide way that can hold connecting rod, front and rear side lid fixed base, pump housing osculum, pump housing water channel, diaphragm mounting groove is provided with inside front and rear side lid fixed base, sealing gasket is provided with in pump housing groove, front and rear side lid fixed base side is provided with pump housing osculum, pump housing water channel is connected with pump housing osculum, pump housing water channel is connected with housing exhalant canal lower end, second junction surface is provided with the second attachment hole, second junction surface is connected with lower housing portion by attachment screw one, crank-guide way both sides are provided with motor attachment hole, the lower end surface of direct current generator is connected with connecting plate for electric motor, connecting plate for electric motor is provided with connecting plate tapped hole, direct current generator passes through connecting plate for electric motor, attachment screw two, motor attachment hole is connected with the pump housing,
The Compress Spring supporting base that water one-way valve coordinates is provided with out in described pump housing osculum, Compress Spring supporting base coordinates with the Compress Spring going out water one-way valve, two end faces of pump housing osculum are provided with the pump housing second groove, diaphragm go out water one-way valve fitting seat and the pump housing second groove fit; Described go out water one-way valve comprise inner elements of check valve, one-way valve seat, Compress Spring, one-way valve seat with go out water one-way valve fitting seat inner hole, inner elements of check valve coordinates with one-way valve bore, goes out inside water one-way valve fitting seat endoporus and is provided with interior resonator end surface, is provided with intracavity through hole in the middle of interior resonator end surface; Described one-way valve seat comprises the cylindrical hole, the boss hole that are connected, and the external cylindrical surface of cylindrical hole coordinates with intracavity through hole, and boss hole external cylindrical surface coordinates with one-way valve fitting seat inwall, and boss hole outer cylinder end face coordinates with interior resonator end surface; Inner elements of check valve comprises intermediate lands, the axis of guide, spring fixed end, the intermediate lands of spring fixed end side is provided with intermediate groove, described intermediate groove coordinates with Compress Spring end, and the axis of guide coordinates with one-way valve seat endoporus one, and intermediate lands end face coordinates with one-way valve seat end face.
5. miniature submersible ability of swimming diaphragm pump as claimed in claim 4, it is characterized in that, front and rear side lid comprises limit lid junction surface, limit lid water-inlet cavity, limit lid water outlet, limit lid junction surface is provided with limit bezel ring, connected in star, limit lid junction surface centre be provided with suction hole, suction hole is connected with limit lid water-inlet cavity, and suction hole is provided with water feeding one-way valve, limit lid water-inlet cavity is communicated with limit lid water outlet, and limit lid water outlet is connected with the water one-way valve fitting seat that goes out of diaphragm.
6. miniature submersible ability of swimming diaphragm pump as claimed in claim 4, it is characterized in that, described diaphragm comprises junction surface in diaphragm, the outer junction surface of diaphragm, junction surface in the middle of diaphragm, diaphragm inner chamber, go out water one-way valve fitting seat, diaphragm inner chamber is communicated with the water one-way valve fitting seat endoporus that goes out going out water one-way valve fitting seat, the one-way valve seat going out water one-way valve with go out water one-way valve fitting seat and coordinate, the outer junction surface of diaphragm coordinates with limit bezel ring, connected in star, in the middle of diaphragm, junction surface is the contiguous block thickeied, contiguous block is provided with diaphragm attachment hole, diaphragm attachment hole is cone shape hole, diaphragm inner chamber coordinates with limit lid water-inlet cavity, the pump housing groove fit of junction surface and the pump housing in diaphragm.
7. miniature submersible ability of swimming diaphragm pump as claimed in claim 4, it is characterized in that, described connecting rod comprises connecting rod shank, and the two ends of connecting rod shank are provided with connecting rod shaft, centre is provided with connecting rod intermediate hole, and direct current generator output shaft is provided with eccentric wheel, eccentric wheel is provided with bearing, connecting rod intermediate hole is connected with bearing, and connecting rod shaft is connected with diaphragm attachment hole, and direct current generator output shaft is provided with equilibrium block, the end of described connecting rod shaft is conical surface structure, and cone structure coordinates with the cone shape hole of connecting rod, described connecting rod intermediate hole comprises the RI circular arc portion be connected, RII circular arc portion, straight line LI part, LII part, its cathetus LI part, LII part is respectively near the both sides of connecting rod shaft, RI circular arc portion, RII circular arc portion is positioned at away from the both sides near connecting rod shaft, RI circular arc portion, the symmetry center of connecting rod is departed from the center of circle of RII circular arc portion respectively, and the respective center of circle is positioned at respective circular arc side, described straight line LI part, LII part coordinates with bearing top circle face, direct current generator when rotated, capacity eccentric bearing and straight line LI part, LII part contact coordinates, capacity eccentric bearing and RI circular arc portion, there is gap in RII circular arc portion.
8. miniature submersible ability of swimming diaphragm pump as claimed in claim 4, it is characterized in that, described motor attachment hole is step hole, and wherein step hole is provided with rubber exhaust plug at the outside macropore of attachment screw two bottom; Be provided with groove inside the water inlet grid mouth of described bottom, in groove, be provided with filter.
9. miniature submersible ability of swimming diaphragm pump as claimed in claim 4, it is characterized in that, described pump housing water channel exterior edge face is provided with exhalant canal groove, is provided with water pump water channel sealing gasket in exhalant canal groove; Housing exhalant canal lower end and pump housing water channel exterior edge face are sealed by exhalant canal groove and water pump water channel sealing gasket, and the cylindrical of the waterexit end of described upper cover exhalant canal is provided with circular groove, is provided with seal ring in circular groove; Upper cover exhalant canal lower end and housing exhalant canal upper end are tightly connected; Described bottom upper end is provided with internal thread, housing lower end is provided with outside thread, and bottom upper end is connected by internal thread and outside thread with housing lower end.
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| CN201410086291.0A CN104895771B (en) | 2014-03-06 | 2014-03-06 | Miniature submersible ability of swimming membrane pump |
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| CN201410086291.0A CN104895771B (en) | 2014-03-06 | 2014-03-06 | Miniature submersible ability of swimming membrane pump |
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| CN104895771B CN104895771B (en) | 2017-03-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602107A (en) * | 2016-12-21 | 2017-04-26 | 武汉理工大学 | Active water-draining type fuel cell |
| WO2020098061A1 (en) * | 2018-11-15 | 2020-05-22 | 深圳市大疆创新科技有限公司 | Diaphragm pump and plant protection unmanned aerial vehicle |
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| DE3609311A1 (en) * | 1986-03-20 | 1987-10-01 | Homa Pumpenfabrik Gmbh | Centrifugal pump |
| JPH07237527A (en) * | 1994-02-28 | 1995-09-12 | Kobelco Kenki Eng Kk | Car washing device for crawler type vehicle |
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| Publication number | Publication date |
|---|---|
| CN104895771B (en) | 2017-03-15 |
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Application publication date: 20150909 Assignee: Shandong BOSCH Machinery Co., Ltd. Assignor: Yu Zhaoxing Contract record no.: 2017370000039 Denomination of invention: Micro submersible diaphragm pump Granted publication date: 20170315 License type: Exclusive License Record date: 20170609 |
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Effective date of registration: 20200407 Address after: 276000 intersection of Volvo road and Liugong Road, Linyi Economic Development Zone, Linyi City, Shandong Province Patentee after: Shandong Zhongju Electric Co., Ltd Address before: 276016, No. 104, Liu Jia village, Mei Jia Bu office, Hedong District, Shandong, Linyi Patentee before: Yu Zhaoxing |
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Denomination of invention: Micro submersible diaphragm pump Effective date of registration: 20211117 Granted publication date: 20170315 Pledgee: Industrial and Commercial Bank of China Limited Linyi Hedong sub branch Pledgor: Shandong Zhongju Electric Co.,Ltd. Registration number: Y2021980012500 |